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Voltage-stabilizing power supply

A technology of stabilized power supply and voltage stabilizer, which is applied in the direction of converting irreversible AC power input into DC power output, etc., can solve the problems of short service life, poor system working stability, accelerated transistor aging, etc., and achieves high withstand voltage, Stable performance, easy to make effects

Inactive Publication Date: 2014-02-05
KUNSHAN XINJINFU PRECISION ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, for systems with high reliability requirements, there is a serious disadvantage that, regardless of the actual magnitude of the AC voltage component, considerable power is generated across the series transistors, resulting in continuous operation of the transistors at high Under the working temperature state, the aging of the transistor is accelerated, the service life is short, and the stability of the entire system is poor.

Method used

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  • Voltage-stabilizing power supply

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Embodiment Construction

[0010] The present invention comprises: comprise transformer, diode, capacitor and regulator, four diodes form a rectifier bridge, the 3rd terminal 3 of rectifier bridge is connected with one end of transformer secondary coil, and its second terminal 2 is connected with the terminal of transformer secondary coil The other end is connected, the first terminal 1 of the rectifier bridge is connected with the input terminal of the stabilizer, the first terminal 1 of the rectifier bridge is connected with the adjustment terminal of the stabilizer through a capacitor, and the output terminal of the stabilizer is connected to the output signal through a capacitor Feedback to the adjustment terminal, the adjustment terminal of the stabilizer is grounded.

[0011] It also includes a light emitting diode, the anode of the light emitting diode is connected with the output terminal of the voltage stabilizer, the negative pole of the light emitting diode is connected with the adjustment ter...

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Abstract

The invention discloses a voltage-stabilizing power supply which comprises a transformer, diodes, capacitors and voltage regulators. According to the voltage-stabilizing power supply, electrolytic capacitors are employed, the voltage-stabilizing power supply has a high voltage withstand value especially in a circuit which generates negative voltage, needed materials can be found everywhere, the manufacture is simple, the cost is low, the negative voltage can be outputted, the voltage-stabilizing power supply is suitable for the power supply of various small electrical appliances, and the performance is stable.

Description

technical field [0001] The invention relates to a power supply circuit, in particular to a voltage-stabilized power supply. Background technique [0002] At present, for systems with high reliability requirements, there is a serious disadvantage that, regardless of the actual magnitude of the AC voltage component, considerable power is generated across the series transistors, resulting in continuous operation of the transistors at high Under the working temperature state, the aging of the transistor is accelerated, the service life is short, and the stability of the entire system is poor. [0003] Therefore need a kind of new technical scheme to solve the above problem. Contents of the invention [0004] Purpose of the invention: In view of the problems and deficiencies in the prior art above, the purpose of the invention is to provide a stabilized power supply with stable performance. [0005] Technical scheme: the technical scheme adopted by the present invention is a ...

Claims

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Application Information

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IPC IPC(8): H02M7/06
Inventor 王火明
Owner KUNSHAN XINJINFU PRECISION ELECTRONICS
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