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A three-power supply double-circuit power supply system

A power supply system, dual-circuit technology, applied in circuit devices, emergency power supply arrangements, electrical components, etc., can solve the problems of short power supply time, exhaustion of uninterruptible power supply batteries, and long maintenance time, so as to extend the power supply time and improve the Effects of reliability and flexibility

Active Publication Date: 2019-05-14
CHONGQING XUNMEI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When a single power supply is used, once there is a problem with the line or power supply system, the entire load system will be paralyzed immediately; when a single power supply and an uninterruptible power supply are used for power supply, when the power supply system line is paralyzed, due to the low power of the uninterruptible power supply, the power supply time is short. If the emergency repair is not timely or the maintenance takes a long time, the power of the UPS battery will be exhausted, and the entire load system will also be paralyzed; similarly, when there is a problem with the UPS, once the load system is paralyzed, it will bring huge losses to factories, hospitals, etc.

Method used

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  • A three-power supply double-circuit power supply system
  • A three-power supply double-circuit power supply system
  • A three-power supply double-circuit power supply system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] figure 1 It is a schematic structural diagram of an embodiment of the three-power dual-loop power supply system of the present invention.

[0024] Label description

[0025] 1

First power supply

2

Large capacity battery pack

3

ups

4

Second power supply

5

Double loop automatic switching system

6

load

[0026] figure 2 It is a schematic circuit diagram of an embodiment of the dual-loop automatic switching system of the present invention.

[0027] Label description

[0028] 51

Rectifier unit

52

Switching circuit

[0029] Main original symbol description

[0030] J1, J2

Relay

J1-1 to J1-5, J2-1 to J2-5

Relay contact

K1

Manual switch

D1

led

[0031] image 3 It is a schematic structural diagram of an embodiment of the rectifier unit in the present invention.

[0032] Label description

[0033] 511

Polarity judgment unit

512

control unit

513

Auxiliary power supply unit

514

Select unit

515

Rectifier unit

[0034] The following specific embodiments will furth...

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PUM

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Abstract

The invention provides a three-power-supply double-loop power supply system, and the system comprises a battery pack, a first power supply, a second power supply, an uninterrupted power source, and a double-loop automatic switching system. The first power supply is connected with the uninterrupted power source. The battery pack is connected with the uninterrupted power source. The uninterrupted power source is connected with the first power supply, the battery pack and the double-loop automatic switching system. The second power supply is connected with the double-loop automatic switching system. The double-loop automatic switching system is connected with the uninterrupted power source, the second power supply, and a load system. The system can automatically switch and prolong power supply, and can reduce the harassment of a user from the failure of the commercial power supply.

Description

Technical field [0001] The invention relates to the technical field of power supply, in particular to a three-power dual-loop power supply system. Background technique [0002] In the traditional power supply system, a single power supply or a single power supply and an uninterruptible power supply are mostly used for power supply. When a single power supply is used, once the line or power supply system has a problem, the entire load system is immediately paralyzed; when a single power supply and an uninterruptible power supply are used for power supply, when the power supply system line is paralyzed, the power supply of the uninterruptible power supply is small and the power supply time is short. If the emergency repair is not timely or the repair takes a long time, the uninterruptible power supply battery power is exhausted, and the entire load system will also be paralyzed. Similarly, when the uninterruptible power supply has a problem, once the load system is paralyzed, it wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/36H02J9/06
CPCH02J7/36H02J9/061H02J9/068
Inventor 肖中恒
Owner CHONGQING XUNMEI ELECTRONICS