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Soft start current-stabilizing circuit based on voltage-regulating circuit

A technology of voltage adjustment circuit and soft start, which is applied in the direction of electrical components, adjustment of electric variables, control/regulation system, etc. It can solve problems such as long delay time and complex structure, so as to prevent damage, maintain stable output current, reduce Effects of Leakage and Loss

Inactive Publication Date: 2016-11-23
CHENGDU HANXING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a soft-start constant current circuit based on a voltage adjustment circuit, in order to solve the problem that the structures currently used to realize soft-start are relatively complicated and the start-up delay time is long

Method used

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  • Soft start current-stabilizing circuit based on voltage-regulating circuit
  • Soft start current-stabilizing circuit based on voltage-regulating circuit

Examples

Experimental program
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Embodiment

[0017] like figure 1 As shown, the soft start steady current circuit based on the voltage adjustment circuit of the present invention is mainly composed of a transformer T, a diode rectifier U, a triode VT4, a capacitor C1, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R6, a resistor R7, a resistor R8, Soft start circuit, voltage adjustment circuit and delay circuit.

[0018] When connected, the anode of the capacitor C1 is connected to the positive output terminal of the diode rectifier U, and its cathode is connected to the negative output terminal of the diode rectifier U. The soft start circuit is respectively connected to the positive pole and the negative pole of the capacitor C1; the positive pole of the capacitor C4 is connected to the soft start circuit, and its negative pole is connected to the negative pole of the capacitor C1. One end of the resistor R6 is connected to the anode of the capacitor C4, and the other end is connected to the base of the tr...

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Abstract

The invention discloses a soft start and current stabilization circuit based on a voltage adjustment circuit, which is characterized in that: it mainly consists of a transformer T, a diode rectifier U, a triode VT4, a capacitor C1, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R6, and a resistor R7 , Resistor R8, soft start circuit, voltage adjustment circuit and delay circuit. The present invention can realize the soft start of the electronic product, so that the output voltage of the present invention will rise to a given value at a slower speed through a start-up process after the power is turned on, so as to protect the electronic product from the impact of the surge when starting ; When starting, the present invention can also guarantee the optimal delay time of about 30 seconds; it is suitable for popularization and application.

Description

technical field [0001] The invention relates to a soft start circuit, in particular to a soft start current stabilization circuit based on a voltage adjustment circuit. Background technique [0002] With the development of science and technology, electronic technology has developed rapidly, and the types of electronic products have become more and more abundant. Various electronic products have entered the families of ordinary people, making people's daily life inseparable from electronic products. Because the performance of various electronic products is not the same, some electronic products need soft start when they are used, so as to protect the electronic products from the impact of surge when they are started. However, the current structure for realizing soft start is relatively complicated, and the delay time for starting is relatively long, which brings great inconvenience to users. Contents of the invention [0003] The purpose of the present invention is to prov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/36H02M7/217H02M3/156
CPCH02M1/36H02M3/156H02M7/217
Inventor 不公告发明人
Owner CHENGDU HANXING TECH CO LTD
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