一种充电桩温度检测组件

Abstract

本实用新型公开了一种充电桩温度检测组件，涉及充电桩技术领域，包括：玻璃钢格栅模块拼接形成标准车位并设斜坡入口；嵌装于格栅内的红外热电堆传感器阵列与毫米波雷达，实时监测车辆底盘温度及高度；气体采集系统由进气管、集成管路、水汽过滤装置、电化学传感器及抽气泵组成，通过分支管汇总多车位气体；控制器集成信号调理电路、主控单元及指令输出模块。本实用新型通过设于车位内的温度检测阵列实时监测车辆底盘的温度情况，通过集成管路抽取车辆底盘空气进行电化学检测，监测车辆电池是否发生异变，并且将温度情况和底盘空气情况信号反馈给充电桩执行降低充电功率或者断电指令，降低了车辆的起火几率。

Claims

1. A charging pile temperature detection assembly for detecting a temperature of a charging vehicle chassis, characterized in that, include: Fiberglass grating module (1): Several fiberglass grating modules (1) are spliced ​​together to form a standard parking space (2), and the parking space (2) is provided with a ramp entrance (3) at the front end. Temperature detection array: an infrared thermopile sensor (6) embedded in the fiberglass grating module (1); Distance compensation unit: a millimeter-wave radar (7) installed in the fiberglass grating module (1); The gas collection system includes: an air inlet pipe (8) located in the fiberglass grating module (1); an integrated pipeline (11) connecting all the air inlet pipes (8); a water vapor filter (12) connected to the outlet of the integrated pipeline (11); an electrochemical sensor (13) located in the downstream pipeline of the water vapor filter (12); and a vacuum pump (14) located in the downstream pipeline of the electrochemical sensor (13). The controller, integrated within the main control housing of the charging pile, includes: The signal acquisition module includes: an infrared signal conditioning circuit, the input of which is connected to the infrared thermopile sensor (6); a radar signal interface, which is connected to the millimeter-wave radar (7) via a coaxial cable; a gas signal amplifier, the input of which is connected to the electrochemical sensor (13); a main control unit: a microcontroller, fixed on the PCB board, and connected to each signal conditioning circuit via pin headers; an instruction output module includes: a dry contact relay K1, including a coil end connected to the GPIO_PB0 pin of the main control unit; a normally open contact leading out a two-core cable as a power reduction request signal line; a dry contact relay K2, including a coil end connected to the GPIO_PB1 pin; a normally open contact leading out a two-core cable as an emergency power cut-off request signal line; a gas pump drive unit, which is a MOSFET drive circuit, the output of which is connected to the air pump (14) via a waterproof socket; and a communication module: an RS485 interface chip, which is connected to the Modbus slave interface of the charging pile main control system via a terminal block.

2. The charging pile temperature detection assembly according to claim 1, characterized in that, The parking spaces (2) are arranged in parallel; a collection pipe (15) 1 is provided upstream of the water vapor filter device (12); the collection pipe (15) is connected to the outlet of the integrated pipeline (11) of each parking space (2) through a branch pipe; a normally closed solenoid valve (16) is installed at the outlet of each integrated pipeline (11).

3. The charging pile temperature detection assembly according to claim 2, characterized in that, The controller also includes: Vehicle sensing unit: The signal output terminal of the millimeter-wave radar (7) is connected to the input terminal of the voltage comparator; the output terminal of the voltage comparator is connected to the GPIO pin of the main controller through a pull-up resistor; Solenoid valve driving unit: The coil terminal of the relay group is connected to the GPIO pin of the main controller through a transistor driving circuit; The normally open contacts of the relay group are connected in series to the power supply circuit of the normally closed solenoid valve (16) of each parking space (2); Parking space (2) selection control structure: The GPIO pin corresponds to the position signal of the millimeter-wave radar (7), and each parking space (2) is independently configured with a voltage comparator-relay link; The relay group is connected to the parallel output terminal of the 74HC595 shift register through PCB wiring, and the serial interface of the shift register is connected to the SPI bus of the main controller.

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