CN210038085U - Testing device of battery management unit - Google Patents
Testing device of battery management unit Download PDFInfo
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- CN210038085U CN210038085U CN201920347427.7U CN201920347427U CN210038085U CN 210038085 U CN210038085 U CN 210038085U CN 201920347427 U CN201920347427 U CN 201920347427U CN 210038085 U CN210038085 U CN 210038085U
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Abstract
The utility model relates to a testing device of a battery management unit, which comprises a microprocessor control unit for generating battery analog data, wherein the microprocessor control unit is in signal connection with the battery management unit to be tested so as to provide the battery analog data; the input board card is in signal connection with the microprocessor control unit; the input board card is provided with an interface connected with the battery system unit so as to receive real battery data provided by the battery system unit; the battery board card is in signal connection with the microprocessor control unit and receives a control instruction output by the microprocessor control unit; the battery board card is provided with an interface connected with the battery system unit. The utility model discloses a battery management unit's testing arrangement can high-efficiently gather battery data, tests battery management unit's function comprehensively.
Description
Technical Field
The utility model relates to a new energy automobile control technical field especially relates to a battery management unit's testing arrangement.
Background
In the new energy automobile research and development stage, a newly researched and developed control system needs to be tested. Current Battery Management Unit (BMU) testing is performed based on battery simulation data provided by hardware-in-the-loop (HIL) simulation systems.
The simulated battery data is different from the real battery working state data when the new energy automobile is used, and the actual fault information cannot be covered, so that the test result of a Battery Management Unit (BMU) cannot reflect the actual application condition. In addition, the hardware-in-the-loop (HIL) simulation system cannot control the working state of the battery according to the instruction made by the Battery Management Unit (BMU), and cannot perform a comprehensive test on the control function of the Battery Management Unit (BMU).
In view of the defects of the conventional Battery Management Unit (BMU) test by using a hardware-in-the-loop (HIL) simulation system, the inventors of the present application have made extensive research and experiments to find the above problems and propose a novel technical solution to solve the above technical defects.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's defect, the utility model aims to provide a battery management unit's testing arrangement makes its high efficiency collection battery data, tests battery management unit's function comprehensively.
In order to achieve the above object, the present invention provides a testing device for a battery management unit, which includes: the microprocessor control unit is connected with the tested battery management unit through signals to provide battery simulation data; the input board card is in signal connection with the microprocessor control unit; the input board card is provided with an interface connected with the battery system unit so as to receive real battery data provided by the battery system unit; the battery board card is in signal connection with the microprocessor control unit and receives a control instruction output by the microprocessor control unit; the battery board card is provided with an interface connected with the battery system unit.
The utility model can be further realized by adopting the following technical measures.
In the testing device of the battery management unit, the battery system unit includes a temperature sensor and a voltage detection chip, and the temperature sensor detects temperature information of the battery; the voltage detection chip detects voltage information of the battery.
According to the testing device of the battery management unit, the battery real data received by the input board card comprises battery temperature information and battery voltage information.
In the foregoing test apparatus for a battery management unit, the input board has an interface for connecting two battery system units.
In the testing device of the battery management unit, the battery management unit transmits the control instruction to the battery system unit through the battery board card by the microprocessor control unit.
Compared with the prior art, the utility model obvious advantage and beneficial effect have. Borrow by above-mentioned technical scheme, the utility model discloses a battery management unit's testing arrangement has following advantage at least:
1. and high-efficiency battery data acquisition is realized. The microprocessor control unit of the application provides battery simulation data, the input board card provides real data of the battery, and the battery data can be efficiently collected for testing the battery management unit.
2. And the complete test of the functions of the battery management unit is realized. The battery board card is used for providing the control signal of the battery management unit for the battery system unit, controlling the current and the temperature of a single battery and further testing the comprehensive functions of the battery management unit.
3. The testing device of the battery management unit is simple in structure and saves equipment space.
4. The application discloses battery management unit's testing arrangement, wherein input integrated circuit board, battery integrated circuit board have general interface, are applicable to and connect different battery system units, can used repeatedly, need not to design testing arrangement alone to the battery management unit of different models.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:
fig. 1 is a schematic block diagram of the testing device of the battery management unit according to the present invention in a use state.
Detailed Description
In addition, the features of the embodiments and the respective embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a block diagram of a testing device for a battery management unit according to the present invention in a use state.
The testing device of the battery management unit in this embodiment includes a Microprocessor Control Unit (MCU)3, an input board 4, and a battery board 5.
The Microprocessor Control Unit (MCU)3 has a conventional simulation system to generate battery simulation data. The Microprocessor Control Unit (MCU)3 is in signal connection with a Battery Management Unit (BMU)2 to be tested and provides battery data.
The input board card 4 is in signal connection with a Microprocessor Control Unit (MCU) 3. The input board 4 has a general interface connected to the Battery System Unit (BSU)1, and receives battery real data provided by the Battery System Unit (BSU) 1.
The battery board card 5 is in signal connection with a Microprocessor Control Unit (MCU)3 and receives a control instruction output by the MCU 3. The battery board card 5 has a general interface connected to a Battery System Unit (BSU) 1.
The simulation system of the Microprocessor Control Unit (MCU)3 is an existing conventional simulation tool.
And a Battery System Unit (BSU)1 connected with the input board card 4 is used for acquiring battery temperature and battery voltage information. The Battery System Unit (BSU)1 includes a temperature sensor and a voltage detection chip, the temperature sensor detecting the temperature of the battery cell through a thermistor; the voltage detection chip detects the voltage of the single battery. In the preferred embodiment, the input board 4 is connected to two Battery System Units (BSUs) 1, which can be mutually verified, and if one Battery System Unit (BSU)1 cannot be verified, resources are wasted if more than three Battery System Units (BSUs) 1 are used.
In the testing apparatus for a battery management unit of this embodiment, the battery management unit under test can provide a control instruction to the Battery System Unit (BSU)1 through the Microprocessor Control Unit (MCU)3 via the battery board 5 to control the operating voltage of the single battery, so as to detect the control function of the battery management unit. If the battery board card and the Battery System Unit (BSU)1 are not available, the control function of the battery management unit cannot be tested, and the test is not comprehensive.
The testing device of the battery management unit of the embodiment divides the battery data acquisition into two parts, the real battery data acquisition and the battery simulation data acquisition, the testing device is connected to two Battery System Units (BSUs) 1 with temperature sensors and voltage chips to realize the real battery data acquisition, and the rest of battery data information is realized by simulation of a simulation system. Two Battery System Units (BSUs) 1 (real slave boards) with temperature sensors and voltage chips can be mutually verified.
The testing device of the battery management unit in this embodiment optimizes a battery data acquisition part, and the real battery information includes a single battery voltage and a single battery temperature, that is, the battery acquisition is divided into Battery System Unit (BSU)1 (real slave board BSU) acquisition with a temperature sensor and a voltage chip and analog battery information acquisition. The system can be tested in each link, such as balance and battery information acquisition.
The testing device of the battery management unit provided by the embodiment can simulate the slave plates, better save board cards and space resources, and overcome the problems of insufficient board card acquisition channels and excessive occupied experimental space of the slave plate wire harnesses caused by excessive slave plate number; the serial-parallel design is supported, and resources can be reused; the failure value that the real controller can not gather can be tested.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the scope of the present application.
Claims (5)
1. A test apparatus for a battery management unit, comprising:
the microprocessor control unit is connected with the tested battery management unit through signals to provide battery simulation data;
the input board card is in signal connection with the microprocessor control unit; the input board card is provided with an interface connected with the battery system unit so as to receive real battery data provided by the battery system unit; and
the battery board card is in signal connection with the microprocessor control unit and receives a control instruction output by the microprocessor control unit; the battery board card is provided with an interface connected with the battery system unit.
2. The battery management unit test device according to claim 1, wherein the battery system unit includes a temperature sensor and a voltage detection chip, the temperature sensor detecting temperature information of the battery; the voltage detection chip detects voltage information of the battery.
3. The device for testing the battery management unit according to claim 1 or 2, wherein the battery real data received by the input board card comprises battery temperature information and battery voltage information.
4. The battery management unit testing apparatus of claim 1, wherein the input board has an interface for connecting two battery system units.
5. The device for testing battery management units according to claim 1, wherein the battery management unit transmits control instructions to the battery system unit through the microprocessor control unit via the battery board card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347427.7U CN210038085U (en) | 2019-03-19 | 2019-03-19 | Testing device of battery management unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347427.7U CN210038085U (en) | 2019-03-19 | 2019-03-19 | Testing device of battery management unit |
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| CN210038085U true CN210038085U (en) | 2020-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114924151A (en) * | 2022-05-23 | 2022-08-19 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | HIL system test system and test method |
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2019
- 2019-03-19 CN CN201920347427.7U patent/CN210038085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114924151A (en) * | 2022-05-23 | 2022-08-19 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | HIL system test system and test method |
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