High-precision voltage stabilizing circuit and voltage stabilizing method

A voltage stabilizing circuit and high-precision technology, which is applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve problems such as difficult to meet high-precision requirements, and achieve the effect of simple structure, low cost and high precision

Inactive Publication Date: 2014-10-08
TIANJIN BAILI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is difficult to meet the high precision requirements, because its precision is determined by the single-turn coil voltage of the voltage regulator

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0022] Such as figure 1 As shown, the fine-tuning voltage regulator T1, the coarse-tuning voltage regulator T2, the fine-tuning transformer T3, the main transformer T4, and the sampling coils C11 and C12 of the fine-tuning transformer T3 are connected to the industrial computer, and the current fine-tuning transformer can be obtained through the sampling of the industrial computer. For the voltage value of T3, the sampling coils C21 and C22 of the main transformer T4 are connected to the industrial computer, and the current voltage value of the main transformer T4 can be obtained through sampling by the industrial computer. AC 220V power supply L1 and N are connected to the primary side of the fine voltage regulator T1 and the primary side of the coars...

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PUM

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Abstract

The invention relates to a high-precision voltage stabilizing circuit and a voltage stabilizing method. The high-precision voltage stabilizing circuit is characterized by comprising a fine-regulation voltage regulator, a rough-regulation voltage regulator, a fine-regulation transformer, a main transformer, a fine-regulation transformer sampling coil, a main transformer sampling coil and a computer. The two ends of an alternating-current 220V power supply are connected with the primary side of the fine-regulation voltage regulator and the primary side of the rough-regulation voltage regulator, the secondary side of the fine-regulation voltage regulator is used as the primary side of the fine-regulation transformer, and the secondary side of the fine-regulation transformer, the secondary side of a rough-regulation voltage regulator and the primary side of the main transformer are connected in series. The fine-regulation transformer sampling coil and the main transformer sampling coil are connected into the computer, and stabilized voltages are output by the secondary side of the main transformer. The high-precision voltage stabilizing circuit and the voltage stabilizing method have the advantages of being simple in structure, low in cost, high in precision and wide in voltage stabilization range.

Description

technical field [0001] The invention belongs to a voltage stabilizing circuit, in particular to a high-precision voltage stabilizing circuit and a voltage stabilizing method. Background technique [0002] The currently known voltage stabilization method in the low-voltage electrical appliance industry is a combination of a voltage regulator and a transformer, and the output voltage of the transformer is controlled by adjusting the output voltage of the voltage regulator. Such a method is difficult to meet the high-precision requirements, because its precision is determined by the single-turn coil voltage of the voltage regulator. Contents of the invention [0003] The present invention provides a high-precision voltage stabilizing circuit and a voltage stabilizing method capable of high-precision voltage stabilization in order to solve the technical problems existing in the known technology. [0004] In order to solve the technical problems existing in the known technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56
Inventor 史祺王铁镰王岩
Owner TIANJIN BAILI ELECTRIC CO LTD
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