Modular sealed portable digital electronic controller
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01G-021/28
H05K-005/02
출원번호
US-0924239
(2010-09-23)
등록번호
US-8785793
(2014-07-22)
발명자
/ 주소
Cox, Timothy R.
Pagan, Ronald T.
Newell, Stephen S.
Tull, Steve D.
출원인 / 주소
Weightech, Inc.
대리인 / 주소
Speed Law Firm
인용정보
피인용 횟수 :
2인용 특허 :
47
초록▼
An electronic digital controller, such as a load cell indicator, is disclosed in which a number of components, such as a circuit board, display, and keypad are placed within an enclosure, and the enclosure is bonded closed, such as using an adhesive, to render the enclosure watertight. The keypad is
An electronic digital controller, such as a load cell indicator, is disclosed in which a number of components, such as a circuit board, display, and keypad are placed within an enclosure, and the enclosure is bonded closed, such as using an adhesive, to render the enclosure watertight. The keypad is a touch sensitive, capacitive keypad with no moving parts, and it is housed behind a rigid panel. An optoelectronic transceiver allows for data exchange with an electronic memory device housed in the adhesively sealed enclosure and allows for data exchange and for updating or modification of software code housed therein. Other components, such as another circuit board, a power supply, and block connectors, are placed in an adjacent enclosure, and the circuit boards in the two enclosures are electrically connected. The power supply is preferably a potted AC power supply but may also include a battery.
대표청구항▼
1. A scale or load cell controller, comprising: a housing comprising: a front display unit including a front housing, a back housing attached with a watertight seal to the front housing, and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load
1. A scale or load cell controller, comprising: a housing comprising: a front display unit including a front housing, a back housing attached with a watertight seal to the front housing, and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load cell controller electronics in a sealed enclosure; anda rear interface and mounting unit removably affixed to the front display unit for mounting the housing to a surface, the rear interface and mounting unit providing an interface for electrical communication between within the housing and one or more devices or communications cabling disposed outside of the housing,wherein one or more measuring transducers or load cells located external to the housing are electrically connected to the scale or load cell controller through the rear interface and mounting unit. 2. The scale or load cell controller of claim 1, wherein the back housing is bonded to the front housing so that the interior region is watertight. 3. The scale or load cell controller of claim 2, wherein the back housing is adhesively bonded to the front housing so that a user may not gain physical entry to the interior region without breaking, cutting, or otherwise piercing the front display unit. 4. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit is affixed to the front display unit to form a water resistant rear enclosure. 5. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit includes a rear enclosure defining an area which supports a battery pack, a power supply, and an interface circuit board. 6. The scale or load cell controller of claim 5, wherein the rear interface and mounting unit includes a mounting bracket affixed to the rear enclosure for mounting the housing on the surface. 7. The scale or load cell controller of claim 6, wherein the housing is pivotal with respect to the mounting bracket. 8. The scale or load cell controller of claim 6, wherein the mounting bracket allows pivoting of the housing with respect to the surface. 9. The scale or load cell controller of claim 1, wherein the front display unit supports a display visible through the lens and a plurality of input keys actuatable by pressing predetermined regions of the lens. 10. The scale or load cell controller of claim 9, wherein controller circuitry, the display, and the plurality of input keys are supported by the back housing. 11. The scale or load cell controller of claim 9, wherein controller circuitry, the display, and the plurality of input keys are mounted to the back housing. 12. The scale or load cell controller of claim 9, wherein a front surface of the lens includes recesses corresponding to the predetermined regions of the lens. 13. The scale or load cell controller of claim 9, further comprising a lens support member. 14. The scale or load cell controller of claim 13, wherein the display includes a light emitting diode display. 15. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit is removably affixed to the front display unit with one or more fasteners. 16. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit is sealingly affixed to the front display unit using a tongue and groove fitting and one or more sealing members. 17. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit includes a battery pack and a power supply for supplying power to control the controller electronics of the front display unit. 18. A housing for a scale or load cell controller, the housing comprising: a front display unit including a front housing, a back housing attached to the front housing and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load cell controller electronics and having a watertight seal between the front and back housings, the scale or load cell controller electronics including a first circuit connector extending through an opening in the back housing; anda rear interface and mounting unit removably affixed to the back housing of the front display unit for mounting the housing to a surface, the rear interface and mounting unit supporting electronic circuitry including an interface circuit board having a second circuit connector adapted to mate with the first circuit connector,the first circuit connector and the second circuit connector mating with one another when the rear interface and mounting unit is affixed to the front display unit to provide for electrical connection between the scale or load cell controller electronics of the front display unit and the electronic circuitry of the rear interface and mounting unit, further comprising a sealed chute extending between the front display unit and the rear interface and mounting unit through which the first and second circuit connector mate. 19. The housing of claim 18, wherein the chute extends past the end of the first circuit connector to prevent damage to the first circuit connector. 20. The housing of claim 18, wherein one or more grooves in a portion of the chute extending from the back housing are adapted to mate with one or more corresponding ramped tabs in the rear interface and mounting unit to ensure electrical connection between the controller electronics of the front display unit and the electronic circuitry of the rear interface and mounting unit when the rear interface and mounting unit is affixed to the back housing. 21. A scale or load cell controller, comprising: a housing comprising: a front display unit including a front housing, a back housing attached to the front housing, and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load cell controller electronics and having a watertight seal between the front and back housings, the scale or load cell controller electronics including a first circuit connector extending through an opening. in the back housing; anda rear interface and mounting unit removably affixed to the back housing of the front display unit for mounting the housing to a surface the rear interface and mounting unit supporting electronic circuitry including an interface circuit board having a second circuit connector adapted to mate with the first circuit connector,the first circuit connector and the second circuit connector mating with one another when the rear interface and mounting unit is affixed to the front display unit to provide for electrical connection between the scale or load cell controller electronics of the front display unit and the electronic circuitry of the rear interface and mounting unit; anda measuring transducer or load cell, the measuring transducer or load cell being disposed outside of the front display unit and the rear interface and mounting unit and being electrically connected to the interface circuit board through a port extending through the rear interface and mounting unit. 22. The scale or load cell controller of claim 21, wherein the electronic circuitry of the rear interface and mounting unit includes a battery pack and a power supply for supplying power to the controller electronics of the front display unit. 23. A scale or load cell controller, comprising: a housing comprising: a front display unit including a front housing, a back housing attached to the front housing, and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load cell controller electronics and having a watertight seal between the front and back housings, the scale or load cell controller electronics including a first circuit connector extending through an opening in the back housing; anda rear interface and mounting unit removably affixed to the back housing of the front display unit for mounting the housing to a surface, the rear interface and mounting unit supporting electronic circuitry including an interface circuit board having a second circuit connector adapted to mate with the first circuit connector,the first circuit connector and the second circuit connector mating with one another when the rear interface and mounting unit is affixed to the front display unit to provide for electrical connection between the scale or load cell controller electronics of the front display unit and the electronic circuitry of the rear interface and mounting unit, and;a plurality of measuring transducers or load cells, the plurality of measuring transducers or load cells being disposed outside of the front display unit and the rear interface and mounting unit and being electrically connected to the interface circuit board through a plurality of ports extending through the rear interface and mounting unit. 24. The scale or load cell controller of claim 1, wherein the rear interface and mounting unit interfaces with the one or more devices or the communications cabling through one or more openings along its side or back surface. 25. The scale or load cell controller of claim 1, wherein the load cell controller is capable of being utilized to display force or weight data received from the load cell and convert the data from analog to digital format before the data is displayed or used. 26. A housing for a scale or load cell controller, the housing comprising: a front display unit including a front housing, a back housing attached to the front housing, and a lens affixed to the front housing, the front display unit defining an interior region housing scale or load cell controller electronics and having a watertight seal between the front and back housings, the scale or load cell controller electronics including a first circuit connector extending through an opening in the back housing; anda rear interface and mounting unit removably affixed to the back housing of the front display unit for mounting the housing to a surface, the rear interface and mounting unit supporting electronic circuitry including an interface circuit board having a second circuit connector adapted to mate with the first circuit connector,the first circuit connector and the second circuit connector mating with one another when the rear interface and mounting unit is affixed to the front display unit to provide for electrical connection between the scale or load cell controller electronics of the front display unit and the electronic circuitry of the rear interface and mounting unit,further comprising an analog to digital converter in the front display unit having the ability to connect to multiple analog input signals and interface with multiple independent load cells or measuring transducers. 27. The housing of claim 26, further comprising software routines in the scale or load cell controller electronics to calibrate and compensate each load cell signal or measuring transducer signal independent of other load cells or measuring transducers. 28. The housing of claim 26, further comprising software routines in the scale or load cell controller electronics to sum the signals digitally. 29. The scale or load cell controller of claim 1, wherein the one or more measuring transducers or load cells are disposed outside of the front display unit and the rear interface and mounting unit and are electrically connected to the interface circuit board through a port extending through the rear interface and mounting unit.
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