Temperature self-adaptive adjustment power tube
A self-adaptive adjustment, power tube technology, applied in the direction of temperature control using electric mode, can solve the problem that the power tube does not have a temperature protection circuit, and achieve the effect of avoiding shutdown loss
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[0022] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0023] The temperature adaptive adjustment power tube of the present invention includes a signal input end, a power tube and its grid, and is characterized in that it also includes a grid control circuit, and the grid control circuit is composed of a pull-down resistor R1, a step-down resistor R2, The temperature sensing device is composed of a first signal input tube M1 and a second signal input tube M2;
[0024] The first signal input tube is connected between the power supply and the pull-down resistor, the pull-down resistor is grounded, the common terminal of the pull-down resistor and the first signal input tube is connected to the gate of the power tube, and the signal input end is connected to the control end of the second signal input tube , the step-down resistor and the temperature sensing device are connected in series be...
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