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Temperature sensor: "Temperature guard" for DC charging piles
During the fast charging process of electric vehicles, the charging module will generate a lot of heat. In order to ensure the stable operation of the charging pile and extend its service life, an effective cooling system is indispensable. The temperature sensor is the "temperature guard" in this system.
Main component
Concept:
The temperature sensor is a kind of sensor that detects the temperature change, which can convert the temperature signal into an electrical signal for the control system to monitor and process in real time. In the DC charging pile, the main role of the temperature sensor is to monitor the temperature of key components such as charging modules, power lines, and battery connectors to ensure that they work within a safe temperature range .
Installation location and data acquisition
Temperature sensors are usually installed in key parts of the charging pile, such as IGBT modules, wiring blocks, charging gun terminals, etc., to monitor the temperature of these components in real time . By connecting with the control system of the charging pile, the sensor transmits the temperature data to the control system for real-time acquisition and processing .
Working Principle:
The working principle of the temperature sensor mainly depends on the physical characteristics of the material. Thermocouples, for example, measure temperature using the difference in thermoelectric potential produced by two different wires as the temperature changes; Thermistors (such as NTC) use the property of resistance with temperature to measure temperature, and their resistance value decreases as the temperature increases . These sensors convert temperature changes into electrical signals that are monitored in real time through data acquisition and processing systems .
Sum up
The temperature sensor plays a vital role in the heat dissipation system of DC charging pile. They can not only monitor the temperature of key components in real time, but also ensure that the charging pile operates at a safe and efficient temperature through intelligent control strategies, providing a solid guarantee for the fast charging of electric vehicles.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
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