A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of whic
A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature.
대표청구항▼
1. A device for providing control signals to one or more pieces of equipment, comprising: a housing;one or more active electronic components within the housing, wherein during operation of the device, the one or more active electronic components receive power and release heat within the housing, whi
1. A device for providing control signals to one or more pieces of equipment, comprising: a housing;one or more active electronic components within the housing, wherein during operation of the device, the one or more active electronic components receive power and release heat within the housing, which causes a first region within the housing to be at a different temperature than a second region within the housing;a first temperature sensor for reporting a measure that indicative of the temperature in the first region;a second temperature sensor for reporting a measure that is indicative of the temperature in the second region, wherein the second temperature sensor is positioned outside of a region that is directly between the first temperature sensor and at least one of the one or more active electronic components;a controller in communication with the first temperature sensor and the second temperature sensor, the controller determining a measure related to an ambient temperature outside of the housing based, at least in part, on the measure that is indicative of the temperature in the first region reported by the first temperature sensor and the measure that is indicative of the temperature in the second region reported by the second temperature sensor;the controller using the measure related to the ambient temperature to determine the one or more control signals; andwherein the device outputs the one or more control signals to control the one or more pieces of equipment. 2. The device of claim 1, wherein the device is powered, at least in part, by electrical energy, and wherein the one or more active electronic components generate heat by consuming the electrical energy. 3. The device of claim 2, wherein a level of the electrical energy needed to power the device changes over time. 4. The device of claim 3, wherein the measure related to the ambient temperature determined by the controller is relatively independent of the level of the electrical energy needed to power the device. 5. The device of claim 1, wherein the controller determines the measure related to the ambient temperature outside of the housing based, at least in part, on a predetermined relationship between the measure related to the ambient temperature outside of the housing, the measure indicative of the temperature in the first region reported by the first temperature sensor, the measure indicative of the temperature in the second region reported by the second temperature sensor, a first constant and a second constant. 6. The device of claim 5, wherein the device is powered by a level of electrical energy that changes over time, and wherein the measure related to the ambient temperature determined by the controller is relatively independent of the level of the electrical energy powering the device. 7. The device of claim 5, wherein the predetermined relationship includes a linear relationship. 8. The device of claim 5, wherein the predetermined relationship includes a non-linear relationship. 9. The device of claim 5, wherein the predetermined relationship includes a two-dimensional relationship. 10. The device of claim 5, wherein the predetermined relationship includes a three dimensional relationship. 11. A device for providing control signals to one or more pieces of equipment, comprising: a housing;one or more heat generating elements within the housing, wherein during operation of the device, the one or more heat generating elements cause a first region within the housing to be at a different temperature than a second region within the housing;a first temperature sensor for reporting a measure that is indicative of the temperature in the first region;a second temperature sensor for reporting a measure that indicative of the temperature in the second region;a controller in communication with the first temperature sensor and the second temperature sensor, the controller determining a measure related to an ambient temperature outside of the housing;the controller using the measure related to the ambient temperature to determine the one or more control signals, and the device outputs the one or more control signals to control the one or more pieces of equipment;wherein the device is powered by a level of electrical energy that changes over time, wherein the device includes one or more sense elements for sensing a measure that is indicative of the level of electrical energy powering at least part of the device; andwherein the controller determines the measure related to the ambient temperature outside of the housing based, at least in part, on a predetermined relationship between the measure related to the ambient temperature outside of the housing, the measure indicative of the temperature in the first region reported by the first temperature sensor, the measure indicative of the temperature in the second region reported by the second temperature sensor, and the measure indicative of the level of electrical energy powering at least part of the device. 12. A device for providing control signals to one or more pieces of equipment, comprising: a housing;one or more heat generating elements within the housing, wherein during operation of the device, the one or more heat generating elements cause a first region within the housing to be at a different temperature than a second region within the housing;a first temperature sensor for reporting a measure that is indicative of the temperature in the first region;a second temperature sensor for reporting a measure that is indicative of the temperature in the second region;a third temperature sensor for reporting a measure that is indicative of the temperature in a third region within the housing;a controller in communication with the first temperature sensor, the second temperature sensor, and the third temperature sensor;the controller determining a measure related to an air flow direction and/or air flow magnitude about the housing that is based, at least in part, on the measure indicative of the temperature in the third region reported by the third temperature sensor;the controller determining a measure related to an ambient temperature outside of the housing based, at least in part, on the measure that is indicative of the temperature in the first region reported by the first temperature sensor and the measure that is indicative of the temperature in the second region reported by the second temperature sensor, the controller also using the measure related to the air flow direction and/or air flow magnitude about the housing when determining the measure related to the ambient temperature outside of the housing; andthe controller uses the measure related to the ambient temperature to determine the one of more control signals, and the device outputs the one or more control signals to control the one or more pieces of equipment. 13. A device comprising: a heat generating component situated in a housing;a first temperature sensor situated at a first location in the housing;a second temperature sensor situated at a second location in the housing that is spaced from the first location and is not directly between the first temperature sensor and the heat generating component;a controller receiving a first temperature from the first temperature sensor and a second temperature from the second temperature sensor;wherein the controller determines a measure related to an ambient temperature outside of the housing based, at least in part, on the first temperature and the second temperature;the controller using the measure related to the ambient temperature to determine one or more control signals; andwherein the device outputs the one or more control signals to control one or more pieces of equipment. 14. The device of claim 13, wherein the controller determines the measure related to an ambient temperature outside of the housing based, at least in part, on the first temperature, the second temperature, a first constant and a second constant. 15. The device of claim 13 further comprising: a third temperature sensor situated at a third location in the housing;the controller receiving a third temperature from the third temperature sensor; andwherein the controller determines the measure of ambient temperature outside of the housing based, at least in part, on the first temperature, the second temperature and the third temperature. 16. The device of claim 13 further comprising: a sense element for sensing a measure related to a level of power consumed by at least part of the device; andthe controller determining the measure of ambient temperature outside of the housing based, at least in part, on the first temperature, the second temperature and the measure related to the level of power consumed by at least part of the device. 17. A device comprising: an enclosure;a controller for determining a measure indicative of an ambient temperature outside of the enclosure based, at least in part, on a relationship between a first temperature sensed inside of the enclosure, a second temperature sensed inside of the enclosure, a first constant and a second constant, wherein the relationship is defined at least in part by the first constant and the second constant; andthe controller providing the measure indicative of the ambient temperature to a control algorithm that is used to control temperature control equipment. 18. The device of claim 17, further comprising: a first temperature sensor for sensing the first temperature inside of the enclosure; anda second temperature sensor for sensing the second temperature inside of the enclosure. 19. The device of claim 18, wherein the first temperature sensor is situated in a first region inside of the enclosure and the second temperature sensor is situated in a second region inside of the enclosure, wherein during operation of the device, the first region is at a different temperature than the second region. 20. A device comprising: a first temperature sensor situated in a housing;a sense element for sensing a measure indicative of a level of power consumed by at least part of the device, wherein the level of power consumed is variable over time and dependent on the current operation of the device;a controller receiving a first temperature from the first temperature sensor and the measure indicative of the level of power consumed by at least part of the device from the sense element, wherein the level of power consumed by the at least part of the device affects the first temperature sensed by the first temperature sensor;the controller is configured to determine a measure indicative of the ambient temperature outside of the housing based, at least in part, on the first temperature received from the first temperature sensor and the measure indicative of the level of power consumed by the at least part of the device received from the sense element; andthe controller providing one or more control signals for controlling temperature control equipment, which control signals are based at least in part on the measure indicative of ambient temperature outside of the housing. 21. The device of claim 20, further comprising: a second temperature sensor situated in the housing;the controller receiving a second temperature from the second temperature sensor; andwherein the controller is configured to determine the measure related to the ambient temperature outside of the housing based, at least in part, on the first temperature received from the first temperature sensor, the second temperature received from the second temperature sensor, and the measure indicative of the level of power consumed by the at least part of the device received from the sense element. 22. The device of claim 20, further comprising: an air flow sensing element for sensing a measure that is indicative of the air flow about the housing; andwherein the controller is configured to determine the measure related to the ambient temperature outside of the housing based, at least in part, on the first temperature received from the first temperature sensor, the measure that is indicative of the air flow about the housing received from the air flow sensing element, and the measure indicative of the level of power consumed by the at least part of the device received from the sense element. 23. A device comprising: a first temperature sensor situated in a housing;an air flow sensing element for sensing a measure that is related to the air flow about the housing;a controller receiving a first temperature from the first temperature sensor and the measure related to the air flow about the housing from the air flow sensing element;the controller is configured to determine a measure related to the ambient temperature outside of the housing based, at least in part, on the first temperature received from the first temperature sensor and the measure related to the air flow about the housing from the air flow sensing element; andthe device providing one or more control signals for controlling temperature control equipment, which control signals are based at least in part on the measure related to the ambient temperature outside of the housing. 24. The device of claim 23, wherein the air flow sensing element includes a temperature sensor that is separate from the first temperature sensor. 25. The device of claim 23, wherein the air flow sensing element senses a measure related to an air flow direction and/or air flow magnitude about the housing. 26. A device comprising: an enclosure; anda controller for determining a measure related to an ambient temperature outside of the enclosure based, at least in part, on:a measure related to the difference between a first temperature measured at a first location inside of the enclosure and a second temperature measured at a second location inside of the enclosure, wherein the first location is spaced from the second location;a first constant, wherein the first constant is multiplied by the first temperature, but is not multiplied by the difference between the first temperature measured inside of the enclosure and the second temperature measured inside of the enclosure; andthe device providing one or more control signals for controlling temperature control equipment, which control signals are based at least in part on the measure related to the ambient temperature outside of the enclosure. 27. The device of claim 26, further comprising: a first temperature sensor located in the enclosure for sensing the first temperature at the first location; anda second temperature sensor located in the enclosure for sensing the second temperature at the second location. 28. The device of claim 27, wherein the first temperature sensor is situated in a first region inside of the enclosure and the second temperature sensor is situated in a second region inside of the enclosure, wherein during operation of the device, the first region is warmer than the second region. 29. The device of claim 28, further comprising: a third temperature sensor located in the enclosure for sensing a third temperature; andwherein the controller is configured to determine the measure related to the ambient temperature outside of the enclosure based, at least in part, on a measure related to the difference between the first temperature inside of the enclosure and the second temperature inside of the enclosure, as well as the third temperature.
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