Liquid injection mechanism and battery liquid injection device
A liquid injection and battery technology, which is applied to battery components, circuits, electrical components, etc., can solve the problems of air entering the battery, vacuuming and liquid injection, and achieve the effect of simple and convenient operation
Active Publication Date: 2021-09-21
ABLE NEW ENERGY CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, during the liquid injection process of the current battery liquid injection machine, it is easy to enter the air in the battery after the battery is evacuated and before the electrolyte is injected, and the operation of vacuuming and liquid injection is also very complicated.
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0031] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the figure). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.
[0032] In the present invention, unless...
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The invention discloses a liquid injection mechanism and a battery liquid injection device. The liquid injection mechanism comprises a cylinder body, a first sealing column and a second sealing column, the interior of the cylinder body is divided into a liquid injection cavity and a vacuum cavity, the cylinder body is provided with a liquid injection channel and a circulation opening, the liquid injection channel is communicated with the liquid injection cavity and the vacuum cavity, and the circulation opening is communicated with the vacuum cavity and can be used for being in butt joint with a liquid injection opening of the battery; the first sealing column is movably arranged in the liquid injection cavity so as to block or open a channel opening of the liquid injection channel; the second sealing column is movably arranged in the vacuum cavity and can stretch out of or be contained in the vacuum cavity so as to block or open the liquid injection opening. The liquid injection mechanism provided by the technical scheme of the invention can prevent air from entering the battery after vacuumizing, and the vacuumizing and liquid injection operations are simple and convenient.
Description
technical field [0001] The invention relates to the technical field of battery liquid injection, in particular to a liquid injection mechanism and a battery liquid injection device. Background technique [0002] Usually, during the production of batteries (such as lithium-ion batteries), it is necessary to use a liquid injection machine to inject electrolyte into the battery. Before the liquid is injected into the battery, it is necessary to vacuumize the inside of the battery so that the electro-hydraulic is injected into the vacuum cavity. However, during the liquid injection process of the current battery liquid injection machine, air is easy to enter the battery in the time after the battery is evacuated and before the electrolyte is injected, and the operations of vacuuming and liquid injection are also very complicated. Contents of the invention [0003] The main purpose of the present invention is to provide a liquid injection mechanism, which can prevent the batte...
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Patent Timeline
Login to View More IPC IPC(8): H01M50/609H01M50/627H01M50/645
CPCH01M50/609H01M50/627H01M50/645Y02E60/10
Inventor 孙文杰史德祥
Owner ABLE NEW ENERGY CO LTD