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Battery charging protection system and active fusing type protection device

A protection device and protection system technology, applied in emergency protection devices, emergency protection circuit devices, circuits, etc., can solve problems such as lithium battery damage and insufficient response time

Inactive Publication Date: 2017-02-15
AMITA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the blown fuse needs to be kept under the condition of current overload to reach a certain temperature before it can produce enough temperature to fuse, so the charging system used for lithium batteries has insufficient response time, and the lithium battery may have been damaged when the fuse blows.

Method used

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  • Battery charging protection system and active fusing type protection device
  • Battery charging protection system and active fusing type protection device
  • Battery charging protection system and active fusing type protection device

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Embodiment Construction

[0035] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of the present invention, but it is not intended to limit the scope of protection of the appended claims of the present invention.

[0036] refer to figure 1 and figure 2 , The first embodiment of the present invention provides a battery charging protection system, which is used to protect the lithium battery from overcharging when the lithium battery is repeatedly charged and discharged during the lithium battery manufacturing process. The battery charging protection system of the present invention includes a main circuit board 10 , an active fuse protection device 20 and at least one battery 30 .

[0037] A power supply control unit 11 is arranged on the main circuit board 10 and the main circuit board 10 is electrically connected to a power source. The power so...

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PUM

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Abstract

A battery charging protection system disclosed by the present invention comprises a main circuit board, an active fusing type protection device and at least one battery. The main circuit board is equipped with a power supply control unit, the active fusing type protection device comprises a substrate, a first electrode fixedly arranged on the substrate, a second electrode connected with an elastic element, a low-melting point structure connected between the first electrode and the second electrode, a heater of a thermal connection low-melting point structure and a fusing control unit electrically connected with the heater and a power supply control unit, and the battery is connected with the first electrode and the power supply control unit separately and electrically, so that the power supply control unit can actively drive the fusing control unit to fuse the low-melting point structure to protect the battery when a current is overloaded.

Description

technical field [0001] The invention relates to a lithium battery charging protection system, in particular to a battery charging protection system with an active fusing protection device and the active fusing protection device thereof. Background technique [0002] Fusible fuses are often used in general circuit systems as a means to prevent current overload. However, the blown fuse needs to be kept under the condition of current overload to reach a certain temperature before it can produce sufficient temperature to blow. Therefore, the charging system for lithium batteries has insufficient response time. When the fuse blows, the lithium battery may have been damaged. [0003] In view of this, the author of the present invention, aiming at the above-mentioned prior art, devotes himself to research and cooperates with the application of theories to try his best to solve the above-mentioned problems, which becomes the goal of the author's improvement. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/18H01H85/05
Inventor 程敬义陈厚琦陈奕成
Owner AMITA TECH
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