Warm keeping device
A technology for heating devices and control devices, applied in electric heating devices, clothing, clothing, etc., can solve the problems of inability to keep warm, difficult to achieve, human injury, etc. Effect
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] Such as figure 1 As shown in Figure 2, a warming device includes a heating device, a control device and a power supply, and also includes a gear heating control circuit, a heating drive circuit, an automatic temperature control circuit, a gear heating indicating circuit and a voltage stabilizing circuit. The heating device is carbon fiber, and the heating device is connected with the heating control circuit through the driving circuit. The temperature automatic control circuit is connected with the heating driving circuit; the gear heating indicating circuit is connected with the gear heating control circuit; the high-capacity lithium battery power supply is supplied to the heating device after passing through the voltage stabilizing circuit.
[0021] The gear heating control circuit is mainly composed of chip IC1 (type 4017)....
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