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Under-voltage protection device and emergency power supply

An under-voltage protection and resistance technology, applied in emergency power supply arrangements, emergency protection circuit devices, safety/protection circuits, etc., can solve problems such as failure to meet user performance and price, short life of emergency power supply, high requirements, etc., to achieve functional Ease of use, prolonging life, and reducing the effect of discharge loss

Pending Publication Date: 2020-06-26
SHENZHEN SEGRE ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] At present, the service life of most emergency power supplies is generally short, which cannot meet the high requirements of users for performance and price

Method used

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  • Under-voltage protection device and emergency power supply
  • Under-voltage protection device and emergency power supply

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Embodiment Construction

[0027] The conception and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention.

[0028] In the description of the embodiments of the present invention, if it involves "several", it means more than one, if it involves "multiple", it means more than two, if it involves "greater than", "less than", "more than ", should be understood as not including the original number, if it involves "above", "below", and "within", it should be understood as including the original number. If "first" and "second" are involved, it shou...

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Abstract

The invention discloses an under-voltage protection device and an emergency power supply. The under-voltage protection device comprises a DC charging and discharging module, a power storage module, amain control module and an AC discharging module. The DC charging and discharging module, the power storage module and the AC discharging module are connected in sequence. The main control module comprises an under-voltage protection unit and a main control unit. The under-voltage protection unit is connected with the DC charging and discharging module and the main control unit. The power storagemodule and the AC discharging module are connected with the main control unit. According to the invention, the main control unit can be closed in time under the under-voltage condition of the power storage module, the discharge loss is reduced, and the service life of a battery pack in the power storage module is effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of power electronics, in particular to an undervoltage protection device and an emergency power supply. Background technique [0002] With the development of society and the improvement of people's living standards, high-performance emergency power supply has become an indispensable emergency power supply equipment in production and life, in order to prevent the impact of sudden power failure on people's normal life order and learning, as well as the impact on production , The particularly important loads in life cause significant economic losses. Most of the traditional emergency power sources use diesel generator sets, but diesel generator sets have been gradually replaced by new emergency power sources due to their insurmountable disadvantages such as smoke and noise pollution, fire hazards, and heavy maintenance workload. Therefore, it is of great significance to study high-performance emergency power s...

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Application Information

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IPC IPC(8): H02J7/00H02H7/18H02J9/06
CPCH02H7/18H02J7/0031H02J7/0047H02J7/0068H02J9/061
Inventor 刘庆金邱永标
Owner SHENZHEN SEGRE ELECTRONICS CO LTD
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