Overheat protection method and circuit and mobile terminal
An overheating protection circuit and overheating protection technology, applied in emergency protection circuit devices, circuit devices, emergency protection devices with automatic disconnection, etc., can solve problems such as power consumption circuit failure, and achieve the effect of prolonging and ensuring the service life
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[0027] First embodiment
[0028] According to another aspect of the embodiments of the present invention, there is also provided an overheating protection method applied to a mobile terminal. The mobile terminal includes a battery, a power consumption circuit, and an overheating protection circuit; wherein, the overheating protection circuit includes: one end is connected to the battery and the other A switch circuit connected to the power consumption circuit at one end, and a sensor circuit used to collect the real-time temperature of the power consumption circuit; among them, such as figure 1 As shown, the overheating protection method specifically includes the following steps:
[0029] Step 101: Obtain the real-time temperature of the power consumption circuit of the mobile terminal through the sensor circuit.
[0030] Specifically, the real-time temperature of the power consumption circuit of the mobile terminal can be collected in real time through a temperature sensor.
[0031] ...
Example
[0041] Second embodiment
[0042] Such as image 3 As shown, the embodiment of the present invention provides an overheat protection circuit 100, which is applied to a mobile terminal 10, and the mobile terminal 10 includes a processor 101, a power consumption circuit 102, and a battery 103. The overheat protection circuit 100 includes a sensor circuit 1002 for collecting the real-time temperature of the power consumption circuit 102 and a switch circuit 1001 for controlling the on or off state of the power consumption circuit. The control terminal of the switch circuit 1001 is connected to the processor 101, the input terminal of the switch circuit 1001 is electrically connected to the battery 103, and the output terminal of the switch circuit 1001 is electrically connected to the power consumption circuit 102. Wherein, the sensor circuit 1002 is electrically connected to the processor 101, and the sensor circuit 1002 is disposed at a position adjacent to the power consumption c...
Example
[0044] The third embodiment
[0045] The first embodiment briefly introduces the overheating protection circuit 100 of the present invention. The overheating protection circuit 100 includes: a switch circuit 1001 and a sensor circuit 1002.
[0046] Among them, the power consumption circuit 102 includes a power amplifier circuit, a power management circuit, etc. The following uses a power amplifier as an example for description, but other types of power consumption circuits 102 are also applicable. Such as Figure 4 As shown, the mobile terminal 10 includes, in addition to a processor 101, a power amplifier, and a battery 103, a transceiver 104 connected between the processor 101 and the power amplifier, and a duplexer connected between the power amplifier and the transceiver 104 105, and an antenna 106 connected to the duplexer 105. among them,
[0047] The processor 101 completes the control and signal processing of each module of the entire mobile terminal system.
[0048] The pow...
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