CN208970681U - A kind of lithium ion battery negative pressure formation device - Google Patents
A kind of lithium ion battery negative pressure formation device Download PDFInfo
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- CN208970681U CN208970681U CN201821489927.6U CN201821489927U CN208970681U CN 208970681 U CN208970681 U CN 208970681U CN 201821489927 U CN201821489927 U CN 201821489927U CN 208970681 U CN208970681 U CN 208970681U
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- surge tank
- negative pressure
- hole
- lithium ion
- pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of lithium ion battery negative pressure formation devices, comprising: liquid accumulating box, pipeline, air pressure regulator, pressure sensor, controller, surge tank and vacuum pump；Liquid accumulating box includes shell and back box；Housing sidewall is equipped with multiple first through hole, and case top is equipped with second through-hole, and enclosure interior two sides are equipped with horizontally disposed sliding rail, and back box can be slidably mounted on sliding rail；Surge tank is connected by pipeline with the second through-hole, and portion, vacuum pump are connected by pipeline with surge tank in the duct for air pressure regulator setting；Pressure sensor be arranged on surge tank and be connected inside surge tank, for detecting surge tank air pressure inside situation of change and the signal monitored being sent to controller.It is constant that the utility model may be implemented in negative pressure value in formation process；The impurity such as the electrolyte extracted out by negative pressure can be cleared up in time, not will cause secondary pollution.
Description
Technical field
The utility model relates to technical field of lithium ion more particularly to a kind of lithium ion battery negative pressure formation devices.
Background technique
Lithium ion battery mainly includes column lithium ion battery, rectangular lithium ion battery, polymer Li-ion battery, light
Battery, supercapacitor etc. are lied prostrate, mobile communication apparatus and portable electronic device, including mobile phone, bluetooth ear are widely used in
Machine, MP3, DVD, laptop, electric bicycle, electric bus etc., market development Bright Prospect.Formation process is lithium ion
Important procedure that is battery activated and forming SEI film.In order to promote chemical conversion quality, mainstream lithium battery manufacturing enterprise is all made of negative at present
Press chemical conversion means.And there is following two in negative pressure chemical conversion: first is that negative pressure value is difficult to ensure, second is that being extracted out in the process by negative pressure
The impurity such as electrolyte be difficult to clear up in time and lead to secondary pollution.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of chemical conversions of lithium ion battery negative pressure to fill
It sets.
The utility model proposes a kind of lithium ion battery negative pressure formation device, comprising: liquid accumulating box, pipeline, air pressure adjustment
Valve, pressure sensor, controller, surge tank and vacuum pump；
Liquid accumulating box includes shell and back box；Housing sidewall is equipped with multiple first through hole, and case top is equipped with one second and leads to
Hole, enclosure interior two sides are equipped with horizontally disposed sliding rail, and back box can be slidably mounted on sliding rail；Surge tank passes through pipeline and second
Through-hole is connected, and portion, vacuum pump are connected by pipeline with surge tank in the duct for air pressure regulator setting；Pressure sensor is set
Set on surge tank and be connected inside surge tank, the letter for detecting surge tank air pressure inside situation of change and monitoring
It number is sent to controller, controller adjusts valve events according to the signal control pressure that pressure sensor issues and changes air pressure regulator
Valve size, keep surge tank air pressure inside constant.
Preferably, multiple first through hole are located above back box.
Preferably, multiple first through hole are evenly arranged.
Preferably, back box one end is equipped with pull ring.
In the utility model, the lithium ion battery negative pressure formation device proposed keeps negative pressure value inside surge tank permanent
It is fixed, guarantee that electrolyte is not extracted out largely, influences the chemical conversion of battery；The a small amount of electrolyte etc. extracted out in formation process by negative pressure
Impurity is collected by liquid accumulating box, will not block pipeline, pollutes surge tank and vacuum pump.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of lithium ion battery negative pressure formation device structural schematic diagram.
Fig. 2 is the structural schematic diagram after the utility model liquid accumulating box is opened.
Specific embodiment
As shown in Figs. 1-2, Fig. 1 be the utility model proposes a kind of lithium ion battery negative pressure formation device structural representation
Figure.Fig. 2 is the structural schematic diagram after the utility model liquid accumulating box is opened.
Referring to Fig.1-2, the utility model proposes a kind of lithium ion battery negative pressure formation device, comprising: liquid accumulating box 1, pipe
Road 2, air pressure regulator 3, pressure sensor 4, controller, surge tank 5 and vacuum pump 6；
Liquid accumulating box 1 includes shell 11 and back box 12；11 side wall of shell is equipped with multiple first through hole, is equipped with one at the top of shell 11
A second through-hole, 11 inside two sides of shell are equipped with horizontally disposed sliding rail, and back box 12 can be slidably mounted on sliding rail；Surge tank 5
It is connected by pipeline 2 with the second through-hole, the setting of air pressure regulator 3 passes through pipeline 2 and surge tank in 2 middle part of pipeline, vacuum pump 6
5 are connected；Pressure sensor 4 be arranged on surge tank 5 and be connected inside surge tank 5, for detecting 5 inside gas of surge tank
The signal monitored is simultaneously sent to controller by pressure situation of change, and controller controls gas according to the signal that pressure sensor 4 issues
It presses the movement of regulating valve 3 to change the valve size of air pressure regulator 3, keeps 5 air pressure inside constant of surge tank.
The lithium ion battery negative pressure formation device of the present embodiment in specific work process, distinguish by the liquid injection hole of multiple batteries
It is connected with multiple first through hole, starts vacuum pump 6, vacuum pump 6 carries out the gas that multiple batteries generate in formation process
It extracts, in formation process, the gas atmosphere value of generation can constantly change battery, and pressure sensor 4 detects 5 inside gas of surge tank
The signal monitored is simultaneously sent to controller by pressure situation of change, and controller controls gas according to the signal that pressure sensor 4 issues
Press regulating valve 3 movement change air pressure regulator 3 valve size, keep 5 air pressure inside constant of surge tank, guarantee electrolyte not by
A large amount of extractions, influence the chemical conversion of battery；During extracting gas, a small amount of electrolyte is inevitably taken out of, it is subsidiary
Electrolyte is collected by liquid accumulating box 1, and the gas filtered out is discharged in pipeline 2 by the second through-hole, and then passes through surge tank 5
With vacuum pump 6.
In the present embodiment, the lithium ion battery negative pressure formation device proposed keeps 5 inside negative pressure value of surge tank permanent
It is fixed, guarantee that electrolyte is not extracted out largely, influences the chemical conversion of battery；The a small amount of electrolyte etc. extracted out in formation process by negative pressure
Impurity is collected by liquid accumulating box 1, will not block pipeline 2, pollutes surge tank 5 and vacuum pump 6.
It in a specific embodiment, can be with to guarantee the impurity such as a small amount of electrolyte extracted out in formation process by negative pressure
It can smoothly enter into liquid accumulating box 1, multiple first through hole are located at 12 top of back box.
Further, multiple first through hole are evenly arranged, convenient for multiple batteries installation and be melted into.
Further, 12 one end of back box is equipped with pull ring 7, conveniently pulls back box 12 and clears up it.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of lithium ion battery negative pressure formation device characterized by comprising liquid accumulating box (1), pipeline (2), air pressure regulator
(3), pressure sensor (4), controller, surge tank (5) and vacuum pump (6)；
Liquid accumulating box (1) includes shell (11) and back box (12)；Shell (11) side wall is equipped with multiple first through hole, shell (11) top
Equipped with second through-hole, the internal two sides of shell (11) are equipped with horizontally disposed sliding rail, and back box (12) can be slidably mounted at sliding rail
On；Surge tank (5) is connected by pipeline (2) with the second through-hole, and air pressure regulator (3) setting is in the middle part of pipeline (2), vacuum pump
(6) it is connected by pipeline (2) with surge tank (5)；Pressure sensor (4) setting is on surge tank (5) and interior with surge tank (5)
Portion is connected, for detecting surge tank (5) air pressure inside situation of change and the signal monitored being sent to controller, controller
Signal control pressure regulating valve (3) movement issued according to pressure sensor (4) changes the valve size of air pressure regulator (3),
Keep surge tank (5) air pressure inside constant.
2. lithium ion battery negative pressure formation device according to claim 1, which is characterized in that multiple first through hole are located at bottom
Above box (12).
3. lithium ion battery negative pressure formation device according to claim 1, which is characterized in that multiple uniform cloth of first through hole
It sets.
4. lithium ion battery negative pressure formation device according to claim 1, which is characterized in that back box (12) one end, which is equipped with, draws
Ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489927.6U CN208970681U (en) | 2018-09-12 | 2018-09-12 | A kind of lithium ion battery negative pressure formation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489927.6U CN208970681U (en) | 2018-09-12 | 2018-09-12 | A kind of lithium ion battery negative pressure formation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970681U true CN208970681U (en) | 2019-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821489927.6U Active CN208970681U (en) | 2018-09-12 | 2018-09-12 | A kind of lithium ion battery negative pressure formation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970681U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663319A (en) * | 2022-11-09 | 2023-01-31 | 厦门海辰储能科技股份有限公司 | Battery formation method and battery formation equipment |
| CN116906608A (en) * | 2023-09-06 | 2023-10-20 | 深圳市瑞能实业股份有限公司 | Battery formation negative pressure control box and battery formation negative pressure system |
-
2018
- 2018-09-12 CN CN201821489927.6U patent/CN208970681U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663319A (en) * | 2022-11-09 | 2023-01-31 | 厦门海辰储能科技股份有限公司 | Battery formation method and battery formation equipment |
| CN115663319B (en) * | 2022-11-09 | 2024-01-26 | 厦门海辰储能科技股份有限公司 | Battery formation method and battery formation equipment |
| CN116906608A (en) * | 2023-09-06 | 2023-10-20 | 深圳市瑞能实业股份有限公司 | Battery formation negative pressure control box and battery formation negative pressure system |
| CN116906608B (en) * | 2023-09-06 | 2023-12-12 | 深圳市瑞能实业股份有限公司 | Battery formation negative pressure control box and battery formation negative pressure system |
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