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Energy-saving access control power supply

An energy-saving and power supply technology, applied in the direction of electrical components, high-efficiency power electronic conversion, output power conversion devices, etc., can solve problems such as energy waste, achieve the effect of reducing loss and simple structure

Inactive Publication Date: 2018-09-04
苏州新应期电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, we have developed an energy-saving access control power supply to solve the problem of energy waste

Method used

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] attached figure 1 It is a circuit block diagram of the energy-saving access control power supply of the present invention, an energy-saving access control power supply, including radio frequency filtering, rectification filtering, DC-DC conversion, high-frequency rectification filtering, auxiliary power supply, control circuit, protection circuit, and detection parts, It is characterized in that: the radio frequency filter filters the input AC power, and then filters again through the rectification and filtering, the filtered DC power is processed by the DC-DC conversion, and then outputs DC through the high frequency rectification and filtering Access control power supply; the DC-DC conversion, the control circuit and the protection circuit form a pulse width modulator circuit and generate a linear power supply; the rectificat...

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Abstract

The invention relates to an energy-saving access control power supply, which comprises a radio frequency filter, a rectification filter, a DC / DC converter, a high-frequency rectification filter, an auxiliary power supply, a control circuit, a protection circuit and a detection part, wherein the radio frequency filter filters an input AC power supply, the AC power supply is further filtered when passing through the rectification filter, the filtered DC power supply is processed by means of the DC / DC converter, and the processed DC power supply passes through the high-frequency rectification filter to output a DC access control power supply; and the detection part is used for performing DC-DC conversion partial adjustment on the control circuit and the protection circuit, and the auxiliary power supply supplies power to the control circuit and the protection circuit. After a transformer transforms a voltage, the stable DC power supply is obtained by means of the high-frequency rectification filter, the loss of the power supply is reduced, and the energy is saved.

Description

technical field [0001] The invention relates to an access control power supply, in particular to an energy-saving access control power supply. Background technique [0002] At present, the access control power supply has some special requirements compared with the traditional power supply. The access control power supply converts 220V AC to 12V DC. Because the momentary connection or disconnection of the access control will generate a large current, the anti-interference, reliable, stable and energy-saving access control power supply should be used. And born. For this reason, we have developed an energy-saving access control power supply to solve the problem of energy waste. Contents of the invention [0003] The object of the present invention is to provide an energy-saving access control power supply in order to overcome the deficiencies of the prior art. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: an energ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/06
CPCH02M7/062H02M1/0048Y02B70/10
Inventor 陈志敏
Owner 苏州新应期电子科技有限公司