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-0827128 (2013-03-14) |
등록번호 | US-10046649 (2018-08-14) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 670 |
The present invention includes a battery maintenance device for performing maintenance on battery packs of hybrid and/or electrical vehicles (referred herein generally as electric vehicles). In various embodiments, the device includes one or more loads for connecting to a battery pack for use in dis
The present invention includes a battery maintenance device for performing maintenance on battery packs of hybrid and/or electrical vehicles (referred herein generally as electric vehicles). In various embodiments, the device includes one or more loads for connecting to a battery pack for use in discharging the battery pack, and/or charging circuitry for use in charging the battery pack. Input/output circuitry can be provided for communicating with circuitry of in the battery pack and/or circuitry of the vehicle.
1. A maintenance device for coupling to an electric vehicle and performing maintenance on an electrical system of the electric vehicle, comprising: a device housing;a controller in the housing configured to control operation of the maintenance device;a controllable load having a load size which is c
1. A maintenance device for coupling to an electric vehicle and performing maintenance on an electrical system of the electric vehicle, comprising: a device housing;a controller in the housing configured to control operation of the maintenance device;a controllable load having a load size which is controlled by the controller;low voltage input/output circuitry coupled to the controller;a bus outside of the housing coupled to the low voltage input/output circuitry;a low voltage junction box coupled to the bus outside of the housing, the junction box having a databus connection configured to couple to a databus of the electric vehicle to thereby receive outputs from sensors of the electric vehicle and communicate with a controller of the electric vehicle; anda high voltage junction box having a high voltage connection configured to couple the controllable load to a high voltage battery pack of the electrical system of the vehicle. 2. The maintenance device of claim 1 including communication circuitry configured to couple to the databus of the electric vehicle. 3. The maintenance device of claim 1 including communication circuitry configured to couple to the battery pack of the electric vehicle. 4. The maintenance device of claim 1 including power supply circuitry configured to be powered by a 12 volt source of the vehicle. 5. The maintenance device of claim 1 including a shut off switch configured to be actuated by an operator to disconnect the controllable load from the battery pack. 6. The maintenance device of claim 1 including an insulated gate bipolar transistor coupled to the controllable load. 7. The maintenance device of claim 1 including a bridge circuit configured to couple to the battery pack and wherein a voltage difference across the bridge circuit is indicative of electrical current leakage from the battery pack to electrical ground. 8. The maintenance device of claim 1 wherein the controller is configured to communicate with a databus of the electric vehicle during discharge of the battery pack. 9. A slave device configured to couple to the maintenance device of claim 1 the slave device including a slave controllable load configured to apply a slave load to a battery pack. 10. The slave device of claim 9 wherein the controller controls the slave controllable load to thereby apply a total load which is less than the controllable load. 11. The maintenance device of claim 1 wherein the controller is electrically isolated from the controllable load. 12. The maintenance device of claim 1 including a memory configured to log information related to discharging of the battery pack. 13. The maintenance device of claim 1 further including charge circuitry configured to electrically charge a cell or battery of the battery pack. 14. The maintenance device of claim 1 wherein the controllable load includes at least two load resistances configured to the selectively electrically coupled to a battery pack. 15. A maintenance device for coupling to an electric vehicle and performing maintenance on an electrical system of the electric vehicle, comprising: a housing;a controller in the housing configured to control operation of the maintenance device;operator input/output circuitry coupled to the controller;discharge circuitry comprising: a plurality of electrical loads;a plurality of insulated gate bipolar transistors responsive to the controller configured to couple at least one of the plurality of electrical loads to a battery of the electrical system whereby a size of an electrical load coupled to the battery is controlled by the controller by controlling the insulated gate bipolar transistor; anda voltage sensor electrically connected across the discharge circuitry configured to sense a voltage of the battery. 16. The maintenance device of claim 15 including communication circuitry configured to couple to the databus of the electric vehicle. 17. The maintenance device of claim 15 including communication circuitry configured to couple to the battery of the electric vehicle. 18. The maintenance device of claim 15 including power supply circuitry configured to be powered by a 12 volt source of the vehicle. 19. The maintenance device of claim 15 including a shut off switch configured to be actuated by an operator to disconnect the discharge circuitry from the battery. 20. The maintenance device of claim 15 including a bridge circuit configured to couple to the battery pack and wherein a voltage difference across the bridge circuit is indicative of electrical current leakage from the battery to electrical ground. 21. The maintenance device of claim 15 wherein the controller is configured to communicate with a databus of the electric vehicle during discharge of the battery. 22. A slave device configured to couple to the maintenance device of claim 15 the slave device including a slave controllable load configured to apply a slave load to a battery. 23. The maintenance device of claim 15 including a memory configured to log information related to discharging of the battery pack. 24. The maintenance device of claim 15 further including charge circuitry configured to electrically charge a cell or battery of the battery pack.
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