Blade electric vehicle electric heater temperature protection system

Abstract

A blade electric vehicle electric heater temperature protection system comprises a low-voltage storage battery, a battery main switch, a dual-gear heater switch, an instrument slave station module, a high-voltage electric heater, a high-voltage relay and a high-voltage battery, wherein the high-voltage electric heater comprises a cooling fan, a high-voltage PTC heating pipe and three temperature detect switches; the instrument slave station module comprises a single-chip microcomputer, a power source module, a power amplification module and a buzzer; the single-chip microcomputer is connected with the power source module, the power amplification module, the dual-gear heater switch and the three temperature detect switches; the power amplification module is further connected with the high-voltage relay, an electric heater low-speed-gear power source, an electric heater high-speed-gear power source, the power source module and the buzzer; the power source module is further connected with the battery main switch and a ground wire socket; and the power source module provides a power source for the single-chip microcomputer and the power amplification module. The blade electric vehicle electric heater temperature protection system can ensure the effect that an electric heater can work within a reasonable temperature interval, and fire disasters are avoided.

Description

technical field [0001] The invention relates to the technical field of safety of pure electric vehicles, in particular to an electric heater temperature protection system for pure electric vehicles. Background technique [0002] With the implementation of the policy of vigorously promoting pure electric vehicles in the country, the output of pure electric vehicles has shown explosive growth, and the corresponding electric heaters have also emerged as the times require. However, the current electric heater control strategy is relatively simple: press the heater control switch , the electric heater will start heating and blowing air, turn off the switch, and the electric heater will stop heating and blowing. It is very dangerous to cause a fire or damage the heater. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the above-mentioned defects of the prior art and provide a pure electric vehicle electric heater temp...

AI Technical Summary

Problems solved by technology

[0002] With the implementation of the policy of vigorously promoting pure electric vehicles in the country, the output of pure electric vehicles has shown explosive growth, and the corresponding electric heaters have also emerged as the times require. However, the current electric heater control strategy is relatively simple: press the heater control switch , the electric heater will start heating and blowing air, turn off the switch, and the electric heater will stop heating and blowing. It is very dangerous to cause a fire or damage the heater

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