Tap type rectifying circuit with controllable filtering voltage

A rectification circuit and voltage technology, applied in the field of tapped rectification circuits, can solve problems such as damage to the normal operation of high-precision components, affect the working life of devices, and the burden of rectifier diodes, achieve the effect of commission filtering, improve working life, and avoid burdens

Inactive Publication Date: 2020-06-02
XIAN ZHISHENG RUIXIN SEMICON TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] With the upgrading of electronic products, power supply has always been a short board that limits the development of electronic products. Power supply needs to collect electric energy. However, in an implementation of the rectifier circuit of the existing energy collection module, due to the current input to the transformer due to The mutual inductance phenomenon will generate high-order harmonics, which will cause the current output to the load to jitter after rectification, which will definitely damage the normal operation of some high-precision components with high requirements, and will also damage the rectifier diode during rectification. Causes additional burden and affects the working life of the device

Method used

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  • Tap type rectifying circuit with controllable filtering voltage

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Embodiment 1

[0020] An embodiment of the present invention provides a tapped rectifier circuit with controllable filter voltage, including: a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, The first resistor R1, the second resistor R2, the third resistor R3, the fourth resistor R4, the first diode D1, the second diode D2, the third diode D3, the fourth diode D4, the fifth Secondary tube D5, sixth secondary tube D6, seventh secondary tube D7, eighth secondary tube D8, ninth secondary tube D9, twelfth secondary tube D10, first triode Q1, second three Pole tube Q2, transformer T1, current source I1;

[0021] The negative pole of the first diode D1 is connected to the negative pole of the third diode D3, the positive pole of the second capacitor C2, and the emitter of the first transistor Q1, and the positive pole of the first diode D1 is connected to the One end of the first capacitor C1, the negative pole o...

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Abstract

The invention discloses a tap type rectifying circuit with a controllable filtering voltage. The circuit comprises a first capacitor, second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a sixth diode, a seventh diode, an eighth diode, a ninth diode, a twelfth diode, a first triode, a second triode, a transformer and a current source. According to the tap type rectifying circuit, the diodes, the capacitors and the peripheral resistors are adopted to form a higher harmonic filtering circuit, and higher harmonics generated by the transformer can be effectively filtered at the input end, so that the influence of clutter current on a load can be avoided under the condition of not adjusting a load end circuit, the additional burden on a rectifier diode is also avoided, and the service life of a deviceis prolonged.

Description

technical field [0001] The invention belongs to the field of current rectification, and in particular relates to a tapped rectification circuit with controllable filter voltage. Background technique [0002] With the upgrading of electronic products, power supply has always been a short board that limits the development of electronic products. Power supply needs to collect electric energy. However, in an implementation of the rectifier circuit of the existing energy collection module, due to the current input to the transformer due to The mutual inductance phenomenon will generate high-order harmonics, which will cause the current output to the load to jitter after rectification, which will definitely damage the normal operation of some high-precision components with high requirements, and will also damage the rectifier diode during rectification. Causes additional burden and affects the working life of the device. Contents of the invention [0003] In order to solve the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/06H02M1/12
CPCH02M1/126H02M7/06
Inventor 薛磊张志兵
Owner XIAN ZHISHENG RUIXIN SEMICON TECH CO LTD
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