Apparatus for monitoring battery voltage and temperature
First Claim
1. An apparatus for monitoring battery voltage and temperature comprising a host controller and acquisition boards, characterized in the following:
- the acquisition board for each battery pack includes a voltage acquisition module, a temperature acquisition module, a host control chip MCU, an A/D convertor module, an opto-isolator module, a CAN bus communication module and two external connection ports CN1, CN2;
wherein the input end of the A/D convertor module is connected with the output ends of the voltage acquisition module and the temperature acquisition module;
the output end of the A/D convertor module is connected with the opto-isolator module via a SPI bus;
a I/O port of the SPI bus module in the host control chip MCU is connected with the opto-isolator module;
the host control chip MCU is connected with the CAN bus communication module on the host controller via the CAN bus communication module;
the acquisition boards are connected with one another in turn with connection port CN1 of one acquisition board being connected with connection port CN2 of the next acquisition board via a socket piece; and
the power supply of the host controller powers the host control chip MCU on each acquisition board via the connection ports of the acquisition board;
both the connection ports CN1 and CN2 on the acquisition board are 6-pin ports, one pin as power supply line, two pins as grounding line, two pins as CAN bus and one pin as I/O port of the host control chip MCU on the acquisition board.
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Abstract
An apparatus for monitoring battery voltage and temperature includes a host controller and acquisition boards, and every acquisition board for the battery includes a voltage acquisition module, a temperature acquisition module, a host control chip MCU, A/D convertor module, an opto-isolator module, a CAN bus communication module and two external connection ports CN1, CN2. The input end of the AD transformation module is connected with the output end of the voltage acquisition module and the temperature acquisition module, and the output end of the A/D convertor module is connected with the opto-isolator module via a SPI bus, and the I/O port of the SPI bus module in the main control chip MCU is connected with the opto-couple isolation module, and the host control chip MCU is connected with the CAN bus communication module of the host controller via the CAN bus communication module, and the acquisition boards are connected via a socket piece in turn.
26 Citations
9 Claims
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1. An apparatus for monitoring battery voltage and temperature comprising a host controller and acquisition boards, characterized in the following:
- the acquisition board for each battery pack includes a voltage acquisition module, a temperature acquisition module, a host control chip MCU, an A/D convertor module, an opto-isolator module, a CAN bus communication module and two external connection ports CN1, CN2;
wherein the input end of the A/D convertor module is connected with the output ends of the voltage acquisition module and the temperature acquisition module;
the output end of the A/D convertor module is connected with the opto-isolator module via a SPI bus;
a I/O port of the SPI bus module in the host control chip MCU is connected with the opto-isolator module;
the host control chip MCU is connected with the CAN bus communication module on the host controller via the CAN bus communication module;
the acquisition boards are connected with one another in turn with connection port CN1 of one acquisition board being connected with connection port CN2 of the next acquisition board via a socket piece; and
the power supply of the host controller powers the host control chip MCU on each acquisition board via the connection ports of the acquisition board;
both the connection ports CN1 and CN2 on the acquisition board are 6-pin ports, one pin as power supply line, two pins as grounding line, two pins as CAN bus and one pin as I/O port of the host control chip MCU on the acquisition board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- the acquisition board for each battery pack includes a voltage acquisition module, a temperature acquisition module, a host control chip MCU, an A/D convertor module, an opto-isolator module, a CAN bus communication module and two external connection ports CN1, CN2;
Specification
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- Resources
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Current AssigneeChery Automobile Co., Ltd.
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Original AssigneeChery Automobile Co., Ltd.
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InventorsWang, Yue
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Primary Examiner(s)Lau, Tung S
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Assistant Examiner(s)Chang, Stephanie
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Application NumberUS13/128,070Publication NumberTime in Patent Office1,665 DaysField of Search702/63US Class Current702/63CPC Class CodesG01K 13/10 for measuring temperature w...G01R 31/3835 involving only voltage meas...G01R 31/396 Acquisition or processing o...Y02T 10/70 Energy storage systems for ...Y02T 90/16 Information or communicatio...
