Alternating-current standby switching circuit and standby controlling device
A standby switching circuit and AC power supply technology, applied in the electronic field, can solve the problems of high noise in the standby mode, low power supply efficiency, complex circuits, etc., and achieve the effects of low power consumption, small size, and simple operation
Inactive Publication Date: 2015-06-03
SICHUAN JIUZHOU ELECTRONICS TECH
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[0007] The purpose of the embodiments of the present invention is to provide an AC standby switch circuit, which aims to solve the problems of high noise, low power supply efficiency, large volume and complicated circuit in the standby mode
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] The embodiment of the present invention controls the on-off of the semiconductor switching device through the non-contact switch, and then realizes the AC control in the non-contact connection mode. The circuit has high efficiency, low power consumption, and small size, and can realize the non-contact connection. Effectively reduce the noise caused by the contact connection, and the operation is simple.
[0023] figure 1 The structure of the AC standby switch circuit provided by the embodiment of the present invention is shown, and for the convenience of description, only the parts related ...
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The invention is applicable to the field of electron and provides an alternating-current standby switching circuit and a standby controlling device. The circuit comprises a voltage-reducing converting unit and a control unit, wherein the voltage-reducing converting unit a is used for voltage-reducing conversion and providing a low-voltage direct-current power supply, and the alternating-current input end of the voltage-reducing converting unit is connected with the input end of an alternating-current power supply; and the control unit comprises a non-contact switch and is used for controlling the on-off of alternating current through the non-contact switch to further realize standby control, the alternating-current input end of the control unit is connected with the input end of the alternating-current power supply; the direct-current power-supply end of the control unit is connected with the output end of the voltage-reducing converting unit, and the alternating-current output end of the control unit is connected with the output end of the alternating-current power supply. According to the invention, the on-off of a semiconductor switching device is controlled through the non-contact switch to further realize the alternating-current control in the mode of non-contact connection; and the circuit has the advantages of high efficiency in standby, small size and high reliability, and the non-contact connection can be realized, so that noise brought by contacts is effectively reduced, working with low power consumption is realized, and the circuit is quite simple, convenient and flexible in operation.
Description
technical field [0001] The invention belongs to the field of electronics, in particular to an AC standby switch circuit and a standby control device. Background technique [0002] With the continuous improvement of people's living standards, various electrical equipment, especially household appliances, are becoming more and more popular in every common people's home. The rapid development of electronic technology continues to bring comfort and convenience to our lives, but it also brings huge energy consumption. Throughout the world, energy is becoming increasingly tense, and the international market has strict restrictions on the energy consumption indicators of various electrical equipment, and has also introduced corresponding energy efficiency standards, such as Energy Star. High efficiency, energy saving, and environmental protection are the development trends of household appliances. In order to develop high-efficiency, energy-saving, green and environmentally frien...
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IPC IPC(8): G05B19/042
Inventor 雷宏赵居唐勤华肖琴李洪斌
Owner SICHUAN JIUZHOU ELECTRONICS TECH