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Liquid injection device

A liquid injection device and liquid injection head technology, which is applied in the direction of electrical components, circuits, battery pack components, etc., can solve the problems of inconvenient implementation, low liquid injection efficiency, and large environmental pollution, so as to improve liquid injection efficiency and The effect of improving liquid quality, avoiding electrolyte leakage, and low implementation cost

Pending Publication Date: 2018-05-08
宁德嘉拓智能设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a liquid injection device, which solves the complex structure, inconvenient implementation, low liquid injection efficiency, poor quality of liquid injection, and large waste of electrolyte in the prior art. , large environmental pollution and other technical defects

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Embodiment Construction

[0095] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, 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. In addition, all the connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not contradict...

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Abstract

The invention discloses a liquid injection device which comprises a liquid injection head, a lower cavity, an upper cavity, a valve guide rod, a liquid feeding sealing rod, a high-pressure cavity anda battery clamp, wherein the high-pressure cavity is sealed with the battery clamp; the liquid injection head is mounted on the high-pressure cavity and is in elastic sealing communication with a battery liquid injection hole in a liquid injected battery; the lower cavity is communicated with a vacuum pipeline and is in sealing communication with the liquid injection head; electrolyte is stored inthe upper cavity. The liquid injection device has the advantages of being simple in structure, convenient to operate, low in implementation cost, high in liquid injection efficiency, good in batteryliquid injection quality, small in environment pollution, and the like that the prior art does not have.

Description

technical field [0001] The invention relates to a partial component in the field of battery processing, in particular to a liquid injection device. Background technique [0002] With the continuous development of the new energy industry, there are more and more applications of batteries. In the battery production process, injecting electrolyte into the battery is an important process in the battery production process. The device that injects the electrolyte into the battery is called a liquid injection device. [0003] Due to the limitation of design or structure of the traditional liquid injection device, the liquid injection process often needs to vacuumize the battery and then inject the electrolyte into the liquid injection cavity. This structure has low production efficiency and greatly increases the internal capacity of the battery. In addition, the traditional liquid injection needle is often an exposed mobile liquid injection structure. During the movement of the liq...

Claims

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Application Information

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IPC IPC(8): H01M2/36H01M50/60
CPCH01M50/60Y02E60/10
Inventor 周虎忠袁学才
Owner 宁德嘉拓智能设备有限公司
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