최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0908488 (2001-07-19) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 21 |
A temperature controlled cabinet system and method enables medical items associated with particular temperature ranges to be stored and maintained within the associated temperature ranges in cabinets disposed within ambulances and other medical vehicles. The system includes a temperature sensor for
A temperature controlled cabinet system and method enables medical items associated with particular temperature ranges to be stored and maintained within the associated temperature ranges in cabinets disposed within ambulances and other medical vehicles. The system includes a temperature sensor for measuring the cabinet interior temperature, a controller assembly for controlling system operation and two head pumps disposed in the cabinet walls to heat or cool the cabinet interior. Alternatively, a single head pump may be utilized to heat or cool the cabinet interior. The controller assembly includes a control console for displaying the actual cabinet temperature and entering a desired temperature range into the system. The heat pumps include a pair of heat sinks disposed about a thermoelectric device (e.g., a Peltier chip) that heats one heat sink, while cooling the other heat sink based on voltage polarity or current flow direction applied to the device. The system controls voltage polarity applied to the thermoelectric device to enable the heat pumps to heat or cool the cabinet interior in response to a comparison of the measured temperature with the desired temperature range. The system utilizes D.C. power from the vehicle electrical system, and may be installed in new cabinets or retrofit into previously disposed cabinets lacking temperature control capability.
What is claimed is: 1. A temperature control system for use in a cabinet disposed with an ambulance or other medical service vehicle, wherein the cabinet stores medical items and said system maintains the cabinet interior and medical items within a particular temperature range, said system comprisi
What is claimed is: 1. A temperature control system for use in a cabinet disposed with an ambulance or other medical service vehicle, wherein the cabinet stores medical items and said system maintains the cabinet interior and medical items within a particular temperature range, said system comprising: a temperature sensor disposed within the cabinet interior to measure the cabinet interior temperature and to generate a temperature signal indicating the measured cabinet interior temperature; at least one heat pump partially disposed within the cabinet interior to heat or cool the cabinet interior; and a controller assembly to enable selection and entry of the particular temperature range into said system and to generate control signals to control each of said at least one heat pump, wherein said particular temperature range is selectable from anywhere within a larger range of temperatures attainable in the cabinet interior and said controller assembly controls each of said at least one heat pump to heat or cool the cabinet interior as required in response to comparison of the temperature signal received from said temperature sensor with the selected particular temperature range to maintain the cabinet interior within said selected particular temperature range, and wherein said controller assembly includes a control console including: a numerical display unit for selectively displaying at least one temperature in said selected particular temperature range and said measured cabinet interior temperature indicated by said temperature signal, wherein said selected particular temperature range and said measured cabinet interior temperature are alternatively displayable on said numerical display unit. 2. The system of claim 1 wherein said system further includes: a plurality of heat pumps wherein each said heat pump is partially disposed within the cabinet interior to heat or cool the cabinet interior; a first wiring harness to connect each said heat pump and said temperature sensor to said controller assembly; and a second wiring harness to connect each said heat pump to said first wiring harness; wherein said controller assembly controls each said heat pump to heat or cool the cabinet interior as required to maintain the selected particular temperature range within the cabinet interior in response to the comparison of the temperature signal received from said temperature sensor with the selected particular temperature range. 3. The system of claim 1 wherein said controller assembly further includes: a controller to generate control signals to control each of said at least one heat pump to heat the cabinet interior when the comparison indicates that the measured cabinet interior temperature is below the selected particular temperature range, and to generate control signals to control each of said at least one heat pump to cool the cabinet interior when the comparison indicates that the measured cabinet interior temperature exceeds the selected particular temperature range. 4. The system of claim 1 further including a power connector to receive power for said temperature control system from an electrical system of the ambulance or other medical service vehicle. 5. The system of claim 1 wherein each of said at least one heat pump includes: a first heat sink disposed within the cabinet interior to provide thermal energy to the cabinet interior; a first fan disposed adjacent said first heat sink to circulate air about said first heat sink to transfer thermal energy from said first heat sink to the cabinet interior; a second heat sink disposed on a cabinet exterior to provide thermal energy to a surrounding environment; a second fan disposed adjacent said second heat sink to circulate air about said second heat sink to transfer thermal energy from said second heat sink to the surrounding environment, an insulating layer disposed between said first and second heat sinks; and a thermoelectric device disposed between said first and second heat sinks to transfer thermal energy between said first and second heat sinks in response to control signals received from said controller assembly. 6. The system of claim 5 wherein said thermoelectric device heats said first heat sink and cools said second heat sink in response to control signals of a first voltage polarity, and wherein said thermoelectric device cools said first heat sink and heats said second heat sink in response to control signals of a second voltage polarity. 7. The system of claim 5 wherein said thermoelectric device is a Peltier chip. 8. The system of claim 1 wherein said control console further includes: a plurality of input devices for enabling entry of the selected particular temperature range into said temperature control system and facilitating alternative display of said selected particular temperature range and said measured cabinet interior temperature on said numerical display unit; and a power switch and fuse to enable power to said temperature control system; and said controller assembly further includes: a controller for generating switching signals in response to the comparison of the temperature signal received from said temperature sensor with the selected particular temperature range; and a circuit board having switching circuitry to provide said control signals to each of said at least one heat pump in response to said switching signals. 9. The system of claim 8 wherein said circuit board includes a plurality of receiving terminals to receive switching and power signals, and a plurality of distribution terminals to distribute control and power signals, wherein said switching circuitry includes: a first switch connected in series with a first contact receiving power signals from a receiving terminal; a first relay connected to said receiving terminals to actuate said first switch in response to said switching signals; a second switch connected between second and third contacts respectively receiving power signals of different polarities from said receiving terminals, wherein said second switch places a control signal of a particular polarity on a distribution terminal for distribution to each of said at least one heat pump; a second relay connected in series with said first switch to actuate said second switch in response to actuation of said first switch; a third switch connected between fourth and fifth contacts respectively receiving power signals of different polarities from said receiving terminals, wherein said third switch places a control signal of a particular polarity on a distribution terminal for distribution to each of said at least one heat pump; and a third relay connecting to a receiving terminal to actuate said third switch in response to said switching signals; wherein said control signal provided by actuation of said first and second switches controls each of said at least one heat pump to cool the cabinet interior, and wherein said control signal provided by actuation of said third switch controls each of said at least one heat pump to heat the cabinet interior. 10. The system of claim 1 wherein said system includes one heat pump and further includes a first wiring harness to connect said one heat pump and said temperature sensor to said controller assembly, wherein said first wiring harness includes: a plurality of color coded wires having first and second ends; a sheath disposed about a substantial portion of said wires; a first receptacle to receive respective second ends of a portion of said plurality of wires; and a second receptacle to receive respective second ends of a remaining portion of said plurality of wires; wherein said first receptacle is connected to said one heat pump and said second receptacle is connected to said temperature sensor, and wherein respective first ends of said wires are connected to said controller assembly. 11. The system of claim 2 wherein said system includes two heat pumps, and said second wiring harness includes: a plurality of color coded wires having first and second ends; a first plug to receive respective first ends of said wires; a first receptacle to receive respective second ends of a first half of said plurality of wires; and a second receptacle to receive respective second ends of a second half of said plurality of wires; wherein said first plug is connected to said first wiring harness, and said first and second receptacles are respectively connected to corresponding heat pumps. 12. The system of claim 1 wherein: each of said at least one heat pump is disposed within a wall of the cabinet; said controller assembly is disposed in an interior wall of said ambulance or other medical service vehicle; and said system further includes a first wiring harness that extends from each of said at least one heat pump and said temperature sensor to said controller assembly to enable said controller assembly to receive the temperature signal and to send control signals to each of said at least one heat pump. 13. The system of claim 1 wherein the medical items include drugs and the selected particular temperature range is 21째 C.-26째 C. 14. The system of claim 1 wherein the medical items include intravenous solution and the selected particular temperature range is 35째 C.-40째 C. 15. A method for maintaining an interior of a cabinet disposed in an ambulance or other medical service vehicle within a particular temperature range via a temperature control system, wherein the cabinet stores medical items and said temperature control system includes a temperature sensor, a controller assembly to control system operation and at least one heat pump for heating or cooling the cabinet interior, said method comprising the steps of: (a) selecting the particular temperature range for the medical items and entering that particular temperature range into said temperature control system, wherein said particular temperature range is selectable from anywhere within a larger range of temperatures attainable in the cabinet interior; (b) selectively visibly displaying on a numerical display unit at least one temperature in said selected particular temperature range; (c) with said temperature sensor, measuring the cabinet interior temperature and generating a temperature signal indicating the measured cabinet interior temperature; (d) selectively visibly displaying on said numerical display unit said measured cabinet interior temperature indicated by said temperature signal, wherein said selected particular temperature range and said measured cabinet interior temperature are alternatively displayable on said numerical display unit; (e) with said controller assembly, comparing the temperature signal received from said temperature sensor to the selected particular temperature range; and (f) controlling each of said at least one heat pump, via said controller assembly, to heat or cool the cabinet interior as required in response to said comparison of the temperature signal with the selected particular temperature range to maintain the cabinet interior temperature within said selected particular temperature range. 16. The method of claim 15 wherein step (f) further includes: (f.1) in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range, controlling each of said at least one heat pump, via said controller assembly, to cool the cabinet interior; and (f.2) in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature range, controlling each of said at least one heat pump, via said controller assembly, to heat the cabinet interior. 17. The method of claim 15 wherein step (a) further includes: (a.1) powering said temperature control system with power from an electrical system of the ambulance or other medical service vehicle. 18. The method of claim 15 wherein each of said at least one heat pump includes a thermoelectric device to heat or cool that heat pump, and step (f) further includes: (f.1) directing a first voltage polarity to each said thermoelectric device, via said controller assembly, to control each of said at least one heat pump to cool the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range; and (f.2) directing a second voltage polarity to each said thermoelectric device, via said controller assembly, to control each of said at least one heat pump to heat the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature range. 19. The method of claim 18 wherein said thermoelectric device is a Peltier chip, and step (f.1) further includes: (f.1.1) directing a first voltage polarity to each said Peltier chip, via said controller assembly, to control each of said at least one heat pump to cool the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range; and step (f.2) further includes: (f.2.1) directing a second voltage polarity to each said Peltier chip, via said controller assembly, to control each of said at least one heat pump to heat the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature range. 20. The method of claim 15 wherein said controller assembly includes a controller, a circuit board including switching circuitry and a control console including said numerical display unit and a plurality of input device, and wherein step (a) further includes: (a.1) entering the selected particular temperature range into said temperature control system via said plurality of input devices; step (d) further includes: (d.1) selectively alternatively displaying the selected particular temperature range and the measured cabinet interior temperature on said numerical display unit in response to manipulation of said input devices; step (e) further includes: (e.1) comparing the temperature signal received from said temperature sensor to the selected particular temperature range via said controller and generating switching signals for said switching circuitry; and step (f) further includes: (f.1) generating control signals for each of said at least one heat pump via said switching circuitry in response to the switching signals. 21. The method of claim 20 wherein said switching circuitry includes first, second and third relays that manipulate corresponding first, second and third switches, wherein said first switch provides a power signal to energize said second relay, said second switch provides a control signal to enable each of said at least one heat pump to cool the cabinet interior and said third switch provides a control signal to enable each of said at least one heat pump to heat the cabinet interior, and wherein step (f.1) further includes: (f.1.1) energizing said first relay to actuate said first switch in response to the switching signals when the measured cabinet interior temperature exceeds the selected particular temperature range, wherein said first switch energizes said second relay and actuates said second switch to provide a control signal to control each of said at least one heat pump to cool the cabinet interior; and (f.1.2) energizing said third relay to actuate said third switch in response to the switching signals when the measured cabinet interior temperature is below the selected particular temperature range, wherein said third switch provides a control signal to control each of said at least one heat pump to heat the cabinet interior. 22. The method of claim 15 wherein step (a) further includes the steps of: (a.1) disposing each of said at least one heat pump within a wall of the cabinet; (a.2) disposing said temperature sensor within the cabinet interior; (a.3) disposing said controller assembly in an interior wall of the ambulance or other medical service vehicle; and (a.4) connecting each of said at least one heat pump and said temperature sensor to the controller assembly via a wiring harness. 23. The method of claim 15 wherein the medical items include drugs, and step (a) further includes: (a.1) selecting the particular temperature range of 21째 C.-26째 C. 24. The method of claim 15 wherein the medical items include intravenous solution, and step (a) further includes: (a.1) selecting the particular temperature range of 35째 C.-40째 C. 25. A method for maintaining an interior of a cabinet disposed within an ambulance or other medical service vehicle within a particular temperature range via a temperature control system, wherein the cabinet stores medical items and said temperature control system includes a temperature sensor, a controller assembly to control system operation and at least one heat pump for heating or cooling the cabinet interior, said method comprising the steps of: (a) retrofitting the temperature control system into a pre-existing cabinet permanently affixed in the ambulance or other medical service vehicle interior and lacking temperature control capability; (b) selecting the particular temperature range for the medical items and entering that particular temperature range into said temperature control system; (c) measuring the cabinet interior temperature via said temperature sensor disposed within the cabinet interior; and (d) controlling each of said at least one heat pump, via said controller assembly, to heat or cool the cabinet interior as required to maintain the cabinet interior within the selected particular temperature range, wherein said controller assembly controls each of said at least one heat pump in response to a comparison of the measured cabinet interior temperature with the selected particular temperature range. 26. The method of claim 25 wherein step (b) further includes: (b.1) powering said temperature control system with power from an electrical system of the ambulance or other medical service vehicle to control each of said at least one heat pump in response to the measured cabinet interior temperature. 27. The method of claim 15 wherein said at least one heat pump consists of two heat pumps operable to heat and cool said cabinet interior, and wherein step (f) includes controlling said two heat pumps to maintain said cabinet interior temperature within said selected particular temperature range. id="INS-S-00001" date="20060919" 28. A temperature control system for use in a cabinet mounted within a vehicle, wherein the cabinet stores items and said system maintains the cabinet interior and items within a particular temperature range, said system comprising: a temperature sensor disposed within the cabinet interior to measure the cabinet interior temperature and to generate a temperature signal indicating the measured cabinet interior temperatures; at least one thermal unit partially disposed within the cabinet interior to heat or cool the cabinet interior; and a controller assembly to enable selection and entry of the particular temperature range into said system and to generate control signals to control each of said at least one thermal unit, wherein said particular temperature range is selectable from anywhere within a larger range of temperatures attainable in the cabinet interior and said controller assembly controls each of said at least one thermal unit to heat or cool the cabinet interior as required in response to a comparison of the temperature signal received from said temperature sensor with the selected particular temperature range to maintain the cabinet interior within said selected particular temperature range, and wherein said controller assembly includes a control console including: a numerical display unit for selectively displaying at least one temperature in said selected particular temperature range and a current measured cabinet interior temperature indicated by said temperature signal, wherein said selected particular temperature range and said current measured cabinet interior temperature are alternatively displayable on said numerical display unit. id="INS-S-00001" id="INS-S-00002" date="20060919" 29. The system of claim 28 wherein said system further includes: a plurality of thermal units wherein each said thermal unit is partially disposed within the cabinet interior to heat or cool the cabinet interior; a first wiring harness to connect each said thermal unit and said temperature sensor to said controller assembly; and a second wiring harness to connect each said terminal unit to said first wiring harness; wherein said controller assembly controls each said thermal unit to heat or cool the cabinet interior as required to maintain the selected particular temperature range within the cabinet interior in response to the comparison of the temperature signal received from said temperature sensor with the selected particular temperature range. id="INS-S-00002" id="INS-S-00003" date="20060919" 30. The system of claim 28 wherein said controller assembly further includes: a controller to generate control signals to control each of said at least one thermal unit to heat the cabinet interior when the comparison indicates that the measured cabinet interior temperature is below the selected particular temperature range, and to generate control signals to control each of said at least one thermal unit to cool the cabinet interior when the comparison indicates that the measured cabinet interior temperature exceeds the selected particular temperature range. id="INS-S-00003" id="INS-S-00004" date="20060919" 31. The system of claim 28 further including a power connector to receive power for said temperature control system from an electric system of said vehicle. id="INS-S-00004" id="INS-S-00005" date="20060919" 32. The system of claim 28 wherein each of said at least one thermal unit includes: a first heat sink disposed within the cabinet interior to provide thermal energy to the cabinet interior; a first fan disposed adjacent said first heat sink to circulate air about said first heat sink to transfer thermal energy from said first heat sink to the cabinet interior; a second heat sink disposed on a cabinet exterior to provide thermal energy to a surrounding environment; a second fan disposed adjacent said second heat sink to circulate air about said second heat sink to transfer thermal energy from said second heat sink to the surrounding environment; an insulating layer disposed between said first and second heat sinks; and a thermoelectric device disposed between said first and second heat sinks to transfer thermal energy between said first and second heat sinks in response to control signals received from said controls assembly. id="INS-S-00005" id="INS-S-00006" date="20060919" 33. The system of claim 32 wherein said thermoelectric device heat said first heat sink and cools said second heat sink in response to control signals of a first voltage polarity, and wherein said thermoelectric device cools said first heat sink and heats said second heat sink in response to control signals of a second voltage polarity. id="INS-S-00006" id="INS-S-00007" date="20060919" 34. The system of claim 32 wherein said thermoelectric device is a Peltier chip. id="INS-S-00007" id="INS-S-00008" date="20060919" 35. The system of claim 28 wherein said control console further includes: a plurality of input devices for enabling entry of the selected particular temperature range into said temperature control system and facilitating alternatively display of said selected particular temperature range and said current measured cabinet interior temperature on said numerical display unit; and a power switch and fuse to enable power to said temperature control system; and said controller assembly further includes: a controller for generating switching signals in response to the comparison of the temperature signal received from said temperature sensor with the selected particular temperature range; and a circuit board having switching circuitry to provide said control signals to each of said at least one thermal unit in response to said switching signals. id="INS-S-00008" id="INS-S-00009" date="20060919" 36. The system of claim 35 wherein said circuit board includes a plurality of receiving terminals to receive switching and power signals, and a plurality of distribution terminals to distribute control and power signals, wherein said switching circuitry includes: a first switch connected in series with a first contact receiving power signals from a receiving terminal; a first relay connected to said receiving terminals to actuate said first switch in response to said switching signals; a second switch connected between second and third contacts respectively receiving power signals of different polarities from said receiving terminals, wherein said second switch places a control signal of a particular polarity on a distribution terminal for distribution to each of said at least one thermal unit; a second relay connected in series with said first switch to actuate said second switch in response to actuation of said first switch; a third switch connected between fourth and fifth contacts respectively receiving power signals of different polarities from said receiving terminals, wherein said third switch places a control signal of a particular polarity on a distribution terminal for distribution to each of said at least one thermal unit; and a third relay connected to a receiving terminal to actuate said third switch in response to said switching signals; wherein said control signal provided by actuation of said first and second switches controls each of said at least one thermal unit to cool the cabinet interior, and wherein said control signal provided by actuation of said third switch controls each of said at least one thermal unit to heat the cabinet interior. id="INS-S-00009" id="INS-S-00010" date="20060919" 37. The system of claim 28, wherein said system includes one thermal unit and further includes a first wiring harness to connect said one thermal unit and said temperature sensor to said controller assembly, wherein said first wiring harness includes: a plurality of color coded wires having first and second ends; a sheath disposed about a substantial portion of said wires; a first receptacle to receive respective second ends of a portion of said plurality of wires; and a second receptacle to receive respective second ends of a remaining portion of said plurality of wires; wherein said first receptacle is connected to said one thermal unit and said second receptacle is connected to said temperature sensor, and wherein respective first ends of said wires are connected to said controller assembly. id="INS-S-00010" id="INS-S-00011" date="20060919" 38. The system of claim 29 wherein said system includes two thermal units, and said second wiring harness includes: a plurality of color coded wires having first and second ends; a first plug to receive respective first ends of said wires; a first receptacle to receive respective second ends of a first half of said plurality of wires; and a second receptacle to receive respective second ends of a second half of said plurality of wires; wherein said first plug is connected to said first wiring harness, and said first and second receptacles are respectively connected to corresponding thermal units. id="INS-S-00011" id="INS-S-00012" date="20060919" 39. The system of claim 28 wherein: each of said at least one thermal unit is disposed within a wall of the cabinet; said controller assembly is disposed on a support structure; and said system further includes a first wiring harness that extends from each of said at least one thermal unit and said temperature sensor to said controller assembly to enable said controller assembly to receive the temperature signal and to send control signals to each of said at least one thermal unit. id="INS-S-00012" id="INS-S-00013" date="20060919" 40. The system of claim 28 wherein the items include drugs and the selected particular temperature range is 21째 C.-26째 C. id="INS-S-00013" id="INS-S-00014" date="20060919" 41. The system of claim 28 wherein the items include intravenous solution and the selected particular temperature range is 35째 C.-40째 C. id="INS-S-00014" id="INS-S-00015" date="20060919" 42. A method for maintaining an interior of a cabinet mounted in a vehicle within a particular temperature range via a temperature control system, wherein the cabinet stores items and said temperature control system includes a temperature sensor, a controller assembly to control system operation and at least one thermal unit for heating or cooling the cabinet interior, said method comprising the steps of: (a) selecting the particular temperature range for the items and entering that particular temperature range into said temperature control system, wherein said particular temperature range is selectable from anywhere within a larger range of temperatures attainable in the cabinet interior; (b) selectively visibly displaying on a numerical display unit at least one temperature in said selected particular temperature range; (c) with said temperature sensor, measuring the cabinet interior temperature and generating a temperature signal indicating the measured cabinet interior temperature; (d) selectively visibly displaying on said numerical display unit a current measured cabinet interior temperature indicated by said temperature signal, wherein said selected particular temperature range and said current measured cabinet interior temperature are alternatively displayable on said numerical display unit; (e) with said controller assembly, comparing the temperature signal received from said temperature sensor to the selected particular temperature range; and (f) controlling each of said at least one thermal unit, via said controller assembly, to heat or cool the cabinet interior as required in response to said comparison of the temperature signal with the selected particular temperature range to maintain the cabinet interior temperature within said selected particular temperature range. id="INS-S-00015" id="INS-S-00016" date="20060919" 43. The method of claim 42 wherein step (f) further includes: (f.1) in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range, controlling each of said at least one thermal unit, via said controller assembly, to cool the cabinet interior; and (f.2) in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature range, controlling each of said at least one thermal unit, via said controller assembly, to heat the cabinet interior. id="INS-S-00016" id="INS-S-00017" date="20060919" 44. The method of claim 42 wherein step (a) further includes: (a.1) powering said temperature control system with power from an electrical system of said vehicle. id="INS-S-00017" id="INS-S-00018" date="20060919" 45. The method of claim 42 wherein each of said at least one thermal unit includes a thermoelectric device to heat or cool that thermal unit, and step (f) further includes: (f.1) directing a first voltage polarity to each said thermoelectric device, via said controller assembly, to control each of said at least one thermal unit to cool the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range; and (f.2) directing a second voltage polarity to each said thermoelectric device, via said controller assembly, to control each of said at least one thermal unit to heat the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature. id="INS-S-00018" id="INS-S-00019" date="20060919" 46. The method of claim 45 wherein said thermoelectric device is a Peltier chip, and step (f.1) further includes: (f.1.1) directing a first voltage polarity to each said Peltier chip, via said controller assembly, to control each of said at least one thermal unit to cool the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature exceeds the selected particular temperature range; and step (f.2) further includes: (f.2.1) directing a second voltage polarity to each said Peltier chip, via said controller assembly, to control each of said at least one thermal unit to heat the cabinet interior in response to said comparison indicating that the measured cabinet interior temperature is below the selected particular temperature range. id="INS-S-00019" id="INS-S-00020" date="20060919" 47. The method of claim 42 wherein said controller assembly includes a controller, a circuit board including switching circuitry and a control console including said numerical display unit and a plurality of input devices, and wherein step (a) further includes: (a.1) entering the selected particular temperature range into said temperature control system via said plurality of input devices; step (d) further includes: (d.1) selectively alternatively displaying the selected particular temperature range and the current measured cabinet interior temperature on said numerical display unit in response to manipulation of said input devices; step (e) further includes: (e.1) comparing the temperature signal received from said temperature sensor to the selected particular temperature range via said controller and generating switching signals for said switching circuitry; and step (f) further includes: (f.1) generating control signals for each of said at least one thermal unit via said switching circuitry in response to the switching signals. id="INS-S-00020" id="INS-S-00021" date="20060919" 48. The method of claim 47 wherein said switching circuitry includes first, second and third relays that manipulate corresponding first, second and third switches, wherein said first switch provides a power signal to energize said second relay, said second switch provides a control signal to enable each of said at least one thermal unit to cool the cabinet interior and said third switch provides a control signal to enable each of said at least one thermal unit to heat the cabinet interior, and wherein step (f.1) further includes: (f.1.1) energizing said first relay to actuate said first switch in response to the switching signals when the measured cabinet interior temperature exceeds the selected particular temperature range, wherein said first switch energizes said second relay and actuates said second switch to provide a control signal to control each of said at least one thermal unit to cool the cabinet interior; and (f.1.2) energizing said third relay to actuate said third switch in response to the switching signals when the measured cabinet interior temperature is below the selected particular temperature range, wherein said third switch provides a control signal to control each of said at least one thermal unit to heat the cabinet interior. id="INS-S-00021" id="INS-S-00022" date="20060919" 49. The method of claim 42 wherein step (a) further includes the steps of: (a.1) disposing each of said at least one heat pump within a wall of the cabinet; (a.2) disposing said temperature sensor within the cabinet interior; (a.3) disposing said controller assembly on a support structure; and (a.4) connecting each of said at least one thermal unit and said temperature sensor to the controller assembly via a wiring harness. id="INS-S-00022" id="INS-S-00023" date="20060919" 50. The method of claim 42 wherein the items include drugs, and step (a) further includes: (a.1) selecting the particular temperature range of 21째 C.-26째 C. id="INS-S-00023" id="INS-S-00024" date="20060919" 51. The method of claim 42 wherein the items include intravenous solution, and step (a) further includes: (a.1) selecting the particular temperature range of 35째 C.-40째 C. id="INS-S-00024" id="INS-S-00025" date="20060919" 52. The method of claim 42 wherein said at least one thermal unit includes two thermal units operable to heat and cool said cabinet interior, and wherein step (f) includes controlling said two thermal units to maintain said cabinet interior temperature within said selected particular temperature range. id="INS-S-00025" id="INS-S-00026" date="20060919" 53. A method for enabling a cabinet lacking temperature control capability to control a cabinet interior temperature to reside within a particular temperature range, wherein the cabinet stores items and a cabinet temperature system includes a temperature sensor, an operation assembly to oversee system operation and at least one thermal unit for heating or cooling the cabinet interior, said method comprising the steps of: (a) converting a cabinet currently in use for storing items and lacking temperature control capability into a temperature controlled cabinet system by installing the cabinet temperature system into the cabinet and disposing the temperature sensor within the cabinet interior; (b) facilitating entry of the particular temperature range for the items into said cabinet temperature system; (c) ascertaining the cabinet interior temperature via a temperature measurement performed by said temperature sensor disposed within the cabinet interior; and (d) controlling each of said at least one thermal unit, via said operation assembly, to heat or cool the cabinet interior as required to control the cabinet interior temperature to reside within the selected particular temperature range, wherein said operation assembly controls each of said at least one thermal unit in response to a comparison of the measured cabinet interior temperature with the selected particular temperature range. id="INS-S-00026" id="INS-S-00027" date="20060919" 54. The method of claim 53 wherein step (b) further includes: (b.1) powering said cabinet temperature system with power from an electric system of a vehicle. id="INS-S-00027" id="INS-S-00028" date="20060919" 55. A temperature control system for use in a storage area lacking temperature control capability and disposed within a vehicle, wherein the storage area stores items and said system maintains the storage area and items within a particular temperature range, said system comprising: a temperature sensor retrofit within the storage area to measure the storage area interior temperature and to generate a temperature signal indicating the measured temperature; at least one thermal unit retrofit within the storage area to heat or cool the storage area interior; and a controller assembly retrofit within said vehicle to enable entry of a selected particular temperature range into said system and to generate control signals to control each of said at least one thermal unit, wherein said controller assembly controls each of said at least one thermal unit to heat or cool the storage area as required in response to a comparison of the temperature signal received from said temperature sensor with the selected particular temperature range to maintain the storage area interior within said selected particular temperature range. id="INS-S-00028" id="INS-S-00029" date="20060919" 56. The system of claim 55 wherein said each thermal unit includes a heat pump. id="INS-S-00029" id="INS-S-00030" date="20060919" 57. The system of claim 55 wherein said controller assembly further includes: a controller to generate control signals to control each of said at least one thermal unit to heat the storage area interior when the comparison indicates that the measured temperature is below the selected particular temperature range, and to generate control signals to control each of said at least one thermal unit to cool the storage area interior when the comparison indicates that the measured temperature exceeds the selected particular temperature range. id="INS-S-00030" id="INS-S-00031" date="20060919" 58. The system of claim 55 further including a power connector to receive power for said temperature control system from an electrical system of the vehicle. id="INS-S-00031" id="INS-S-00032" date="20060919" 59. The system of claim 55 wherein: said storage area is enclosed by a plurality of walls; each of said at least one thermal unit is disposed within a wall of the enclosed storage area; said controller assembly is disposed on a support structure within said vehicle; and said system further includes a wiring harness that extends from each of said at least one thermal unit and said temperature sensor to said controller assembly to enable said controller assembly to receive the temperature signal and to seal control signals to each of said at least one thermal unit. id="INS-S-00032" id="INS-S-00033" date="20060919" 60. The system of claim 55 wherein the items include drugs and the selected particular temperature range is 21째 C-26째 C. id="INS-S-00033" id="INS-S-00034" date="20060919" 61. The system of claim 55 wherein the items include intravenous solution and the selected particular temperature range is 35째 C.-40째 C. id="INS-S-00034" id="INS-S-00035" date="20060919" 62. A method for enabling a storage area lacking temperature control capability and disposed within a vehicle to control a storage area interior temperature to reside within a particular temperature range, wherein the storage area stores items and a temperature control system includes a temperature sensor, an operation assembly to oversee system operation and at least one thermal unit to heat or cool the storage area interior, said method comprising the steps of: (a) retrofitting the temperature control system into the vehicle storage area and disposing the temperature sensor within the storage area interior; (b) facilitating entry of a selected particular temperature range for the items into said temperature control system; (c) ascertaining the storage area interior temperature via a temperature measurement performed by said temperature sensor disposed within the storage area interior; and (d) controlling each of said at least one thermal unit, via said operation assembly, to heat or cool the storage area interior as required to control the storage area interior temperature to reside within the selected particular temperature range, wherein said operation assembly controls each of said at least one thermal unit in response to a comparison of the measured temperature with the selected particular temperature range. id="INS-S-00035" id="INS-S-00036" date="20060919" 63. The method of claim 62 wherein said each thermal unit includes a heat pump, and step (d) further includes: (d.1) controlling each of said at least one heat pump, via said operation assembly, to heat or cool the storage area interior as required to control the storage area interior temperature to reside within the selected particular temperature range, wherein said operation assembly controls each of said at least one heat pump in response to a comparison of the measured temperature with the selected particular temperature range. id="INS-S-00036" id="INS-S-00037" date="20060919" 64. The method of claim 62 wherein step (d) further includes: (d.1) in response to said comparison indicating that the measured temperature exceeds the selected particular temperature range, controlling each of said at least one thermal unit, via said operation assembly, to cool the storage area interior; and (f.2) in response to said comparison indicating that the measured temperature is below the selected particular temperature range, controlling each of said at least one thermal unit, via said operation assembly, to heat the storage area interior. id="INS-S-00037" id="INS-S-00038" date="20060919" 65. The method of claim 62 wherein step (a) further includes: (a.1) powering said temperature control system with power from an electrical system of the vehicle. id="INS-S-00038" id="INS-S-00039" date="20060919" 66. The method of claim 62 wherein said storage area is enclosed by a plurality of walls, and step (a) further includes: (a.1) disposing each of said at least one thermal unit within a wall of the storage area; (a.2) disposing said operation assembly on a support structure within said vehicle; and (a.3) connecting each of said at least one thermal unit and said temperature sensor to the operation assembly. id="INS-S-00039" id="INS-S-00040" date="20060919" 67. The method of claim 62 wherein the items include drugs, and step (a) further includes: (a.1) selecting the particular temperature range of 21째 C.-26째 C. id="INS-S-00040" id="INS-S-00041" date="20060919" 68. The method of claim 62 wherein the items include intravenous solution, and step (a) further includes: (a.1) selecting the particular temperature range of 35째 C.-40째 C. id="INS-S-00041" id="INS-S-00042" date="20060919" 69. The system of claim 28, wherein said at least one thermal unit includes at least one heat pump. id="INS-S-00042" id="INS-S-00043" date="20060919" 70. The method of claim 42, wherein said at least one thermal unit includes at least one heat pump. id="INS-S-00043" id="INS-S-00044" date="20060919" 71. The method of claim 53, wherein said at least one thermal unit includes at least one heat pump. id="INS-S-00044"
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