Integrated planarization power battery passive and active equalization circuit measurement training platform

Abstract

The utility model relates to the field of power battery practical training platform, concretely is integrated formula planarization power battery passive and active equalization circuit measurement practical training platform, including main body rack, PC host computer and power battery group installed on it, and power battery is composed of multiple single batteries, and is connected active equalization circuit and passive equalization circuit of power battery respectively, platform integrated vehicle -mounted intelligent fault setting device and multichannel signal collector, can simulate a variety of typical electrical faults and pass through communication device and PC end interactive data, and power battery collector BIC contains voltage / temperature sensor and active, passive equalization drive module, realizes accurate monitoring and equalization control to battery state, and platform is also equipped with load device and vehicle -mounted charger, supports charge -discharge simulation operation. Power battery management unit BMS is linked through contactor and each module, and guarantees system safe operation.

Claims

1. An integrated planarization power battery passive and active balancing circuit measurement training platform, characterized in that, Includes the following components: Main frame (1); The PC host computer (2) is installed on the main frame (1). The power battery is installed on the main frame (1), and the power battery includes several individual cells; The power battery active balancing circuit and the power battery passive balancing circuit are connected to several individual cells respectively. The vehicle-mounted intelligent fault setter is electrically connected to each individual battery cell, and is connected to the PC host computer (2) via a communication device to receive fault codes. It is also equipped with a relay. The multi-channel signal acquisition device is electrically connected to each individual battery cell, the PC host computer (2), and the vehicle-mounted intelligent fault setter, and connects to the PC host computer (2) to send and receive data via a communication device.

2. The integrated planarization of power battery passive and active equalization circuit measurement training platform according to claim 1, wherein, The PC host computer (2) is equipped with a display screen (3), and the PC host computer (2) is equipped with a voltage acquisition meter (4), a current acquisition meter (5), a temperature acquisition meter (6), an equalization indicator (8), and a charging indicator (9), and the above components are respectively adapted to the active equalization circuit of the power battery and the passive equalization circuit of the power battery.

3. The integrated planar power battery passive and active balancing circuit measurement training platform according to claim 1, characterized in that, The PC host computer (2) is also equipped with a load device, which includes a single-unit discharge switch (7) and a load simulation switch. The single-unit discharge switch (7) and the load simulation switch are electrically connected to the power battery through an internal relay.

4. The integrated planar power battery passive and active balancing circuit measurement training platform according to claim 1, characterized in that, It also includes a power battery data acquisition unit (BIC), which is electrically connected to the power battery. The power battery data acquisition unit (BIC) includes a power battery passive balancing circuit drive circuit module, a power battery active balancing circuit drive circuit module, a power battery voltage sensor, and a power battery temperature sensor.

5. The integrated planarization of power battery passive and active equalization circuit measurement training platform according to claim 4, characterized in that, The passive balancing circuit drive module of the power battery controls the conduction and cutoff of current through a transistor during the charging process of the power battery. The passive balancing circuit drive module of the power battery discharges or short-circuits individual high-voltage batteries through a discharge resistor.

6. The integrated planarization of power battery passive and active equalization circuit measurement training platform according to claim 5, characterized in that, The active balancing circuit drive circuit module of the power battery controls the conduction and cutoff of current through field-effect transistors, transformers and polarity selection circuits during the charging process of the power battery.

7. The integrated planarization of power battery passive and active equalization circuit measurement training platform according to claim 6, characterized in that, It also includes an on-board charger, which is used to replenish the power battery, and the on-board charger is equipped with a power switch.

8. The integrated planarization of power battery passive and active equalization circuit measurement training platform according to claim 7, characterized in that, It also includes a power battery management unit (BMS), which is electrically connected to the power battery data acquisition unit (BIC). The power battery is equipped with a contactor, and the power battery management unit (BMS) and the vehicle charger are electrically connected to the contactor.

9. The integrated planar power battery passive and active balancing circuit measurement training platform according to claim 1, characterized in that, The communication device includes any one of USB connection, WIFI, and Ethernet port.

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