A plug protection circuit and plug

Abstract

The utility model relates to plug protection technical field discloses a kind of plug protection circuit and plug, comprising: temperature monitoring circuit, for monitoring the target temperature of plug connection power supply line, temperature control signal is exported based on target temperature;Control chip, and the output end of temperature monitoring circuit is connected, for according to the temperature control signal input of temperature monitoring circuit control switch switching circuit work;Switch switching circuit, and the output end of control chip is connected, when control chip receives temperature control signal, control chip exports enable signal to switch switching circuit, to disconnect by switch switching circuit control plug connection power supply line;Indicator light drive circuit, and the output end of temperature monitoring circuit is connected, including light emitting device, for according to the temperature control signal input of temperature monitoring circuit control light emitting device work, the utility model can directly prompt user the temperature state of power supply line, and the safety of circuit and the convenience of user use are enhanced.

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