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Control circuit and electronic device

A technology for controlling circuits and sub-circuits, which is applied in program control, mechanical equipment, computer control, etc., and can solve problems affecting battery life, etc.

Pending Publication Date: 2021-06-08
FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present application provides at least one control circuit and electronic equipment to solve the problem of high current output affecting battery life

Method used

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  • Control circuit and electronic device
  • Control circuit and electronic device
  • Control circuit and electronic device

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Embodiment Construction

[0041] In order to enable those skilled in the art to better understand the technical solutions of the present application, the control circuit and electronic equipment provided by the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0042] The terms "first", "second", etc. in this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system...

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Abstract

The invention discloses a control circuit and an electronic device. The control circuit is used for controlling an electromagnetic valve, and the control circuit comprises a controller for outputting a first control signal and a second control signal; a booster circuit, connected with the controller, receiving the first voltage and the first control signal, and boosting the first voltage according to the first control signal to obtain a second voltage; an energy storage circuit, connected with the booster circuit and used for storing the second voltage; and a switching circuit, connected with the energy storage circuit, the controller and the electromagnetic valve and receiving a second control signal, and the second control signal being used for controlling the switching circuit. The energy storage circuit is further used for releasing the current so as to close the electromagnetic valve, and the current flow direction is opposite to the valve suction current flow direction of the electromagnetic valve. The booster circuit and the switching circuit are controlled to work through the controller, and then the electromagnetic valve is controlled to be closed in real time; meanwhile, when the electromagnetic valve does not need to be closed, the booster circuit does not need to work, and power consumption of the control circuit is reduced.

Description

technical field [0001] The present application relates to the field of solenoid valve control circuits, in particular to a control circuit and electronic equipment. Background technique [0002] In order to realize the function of turning off the fire at regular intervals and preventing dry burning, the gas stove controls the solenoid valve, turns off the solenoid valve, closes the gas channel, and realizes turning off the fire. To close a single-coil solenoid valve in a gas range, a reverse current is usually added to the coil to counteract the effect of the thermocouple on the current generated by the solenoid valve coil. During the combustion process of the cooker, the electromotive force generated by the thermocouple passes through the impedance of the single-coil solenoid valve coil and applies a relatively large current. If the valve needs to be closed, it is necessary to offset the effect of the current being shunted by the thermocouple itself, and a large current nee...

Claims

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Application Information

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IPC IPC(8): G05B19/042F16K31/06
CPCF16K31/0675G05B19/042
Inventor 李光明王文奇区兆敏
Owner FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD
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