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Automatic switching system and automatic switching method of power supply

A switching system, automatic power supply technology, applied in power network operating system integration, emergency power supply arrangement, information technology support system, etc., can solve the problem that power supply switching cannot guarantee power supply continuity, etc., to increase emc performance, improve performance, guarantee The effect of stability

Pending Publication Date: 2017-03-15
崔慧芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide an automatic power switching system and automatic switching method, which is used to solve the problem that the existing power switching cannot guarantee the continuity of power supply

Method used

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  • Automatic switching system and automatic switching method of power supply

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Embodiment Construction

[0025] The power automatic switching system is used to automatically switch the external power supply to the backup power supply to realize uninterrupted power supply, including the power supply switching circuit.

[0026] Such as figure 1 As shown, the power switching circuit includes backup power bt1, fuse f200, fuse f201, fuse f203, mem2313 chip, resistor r1, resistor r2, resistor r3, resistor r4, resistor r5, resistor r6, resistor r7, resistor r8, diode d1, Diode d2, diode d3, diode d4, diode d6, diode d5, diode d200, diode d201, diode d210, diode d211, transistor q1, capacitor c10, capacitor c200, capacitor c211, capacitor c201, capacitor c222, inductor l200, switch s1 And AT89S51 microcontroller;

[0027] The negative pole of the backup power supply bt1 is grounded, the positive pole of the backup power supply bt1 is connected to one end of the fuse f200, the other end of the fuse f200 is respectively connected to pins 5 and 6 of the mem2313 chip, and pins 7 and 8 of th...

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Abstract

The invention discloses an automatic switching system of a power supply. The system is used for automatically switching an external power supply to an emergency power supply to realize uninterrupted power supply. The automatic switching system is characterized by comprising a power supply switching circuit; the power supply switching circuit comprises an emergency power supply bt1, a fuse f200, a fuse f201, a fuse f203, a mem2313 chip, a resistor r1, a resistor r2, a resistor r3, a resistor r4, a resistor r5, a resistor r6, a resistor r7, a resistor r8, a diode d1, a diode d2, a diode d3, a diode d4, a diode d6, a diode d5, a diode d200, a diode d201, a diode d210, a diode d211, an audion q1, a capacitor c10, a capacitor c200, a capacitor c211, a capacitor c201, a capacitor c222, an inductor l200, a switch s1 and an AT89S51 single-chip microcomputer. The power supply switching system is designed, and the external power supply can be automatically switched onto the emergency power supply under the condition that the external power supply is abnormal, so that uninterrupted power supply of the system is guaranteed.

Description

technical field [0001] The invention relates to the technical field of power supply switching, in particular to an automatic power supply switching system and an automatic switching method. Background technique [0002] With the development of industry and technology, people's demand for power supply is getting higher and higher, and the reliability and continuity of power supply have become the core issues of power supply system. Depending on the nature of the connected load in different occasions, it may be necessary to switch between two or even three power sources, and the continuity of power supply must be ensured. Contents of the invention [0003] The object of the present invention is to provide an automatic power switching system and an automatic switching method, which are used to solve the problem that the existing power switching cannot guarantee the continuity of power supply. [0004] The technical solution adopted by the present invention to solve the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
CPCH02J9/06Y04S20/20Y02B70/30
Inventor 崔慧芳
Owner 崔慧芳
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