CN107978714A - A kind of exhaust apparatus of lithium ion battery - Google Patents
A kind of exhaust apparatus of lithium ion battery Download PDFInfo
- Publication number
- CN107978714A CN107978714A CN201711450540.XA CN201711450540A CN107978714A CN 107978714 A CN107978714 A CN 107978714A CN 201711450540 A CN201711450540 A CN 201711450540A CN 107978714 A CN107978714 A CN 107978714A
- Authority
- CN
- China
- Prior art keywords
- hole
- mounting portion
- exhausting
- liquid
- lithium ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
A kind of exhaust apparatus of lithium ion battery, including：Mounting portion, is provided with exhausting-gas hole and liquid overflow hole in the mounting portion, and the exhausting-gas hole can be connected with the liquid injecting mouth of lithium battery cover plate, and the liquid overflow hole is connected outside the exhausting-gas hole and mounting portion；The liquid from liquid overflow hole outflow is collected in the liquid collecting portion being arranged on the mounting portion, the liquid collecting portion；The check valve being arranged in the exhausting-gas hole and/or the liquid overflow hole.The present invention is easy for installation, good airproof performance, lithium battery interior contacts and brings harmful effect to lithium battery performance for a long time with outside air when can be to avoid because of manual work, at the same time, the electrolyte being more than flowed out from spout hole is collected by liquid collecting portion, easy to clean, and it can prevent electrolyte from being polluted to external equipment.
Description
Technical field
The invention belongs to technical field of lithium ion, is used for when being activated more specifically to a kind of lithium ion battery
The exhaust apparatus that the gas of inside lithium ion cell is discharged.
Background technology
Electrolyte in lithium ion battery is the carrier of inside battery ion transmission, in the production process of lithium ion battery
In, after liquid injecting mouth injects electrolyte to inside lithium ion cell, also lithium ion battery is activated.Lithium ion during activation
Battery needs outwards exhaust.Generally it is exhausted at present using exhaust pipe, exhaust pipe is connected with the liquid injecting mouth of lithium ion battery
Afterwards, outwards exhaust is realized by exhaust pipe.
But during using exhaust pipe exhaust, the electrolyte of inside battery may outwards be arranged with gas, cause electrolyte
With air contact, undesirable influence may be brought to battery performance when electrolyte after air contact with being back to inside battery,
And electrolyte outflow can also pollute fixture or frock.
The content of the invention
The object of the present invention is to provide a kind of exhaust apparatus of lithium ion battery, it is exhausted to lithium battery interior gas
While, it can be contacted to avoid lithium battery interior with extraneous air, and can prevent electrolyte outflow pollution outside plant.
To achieve these goals, the present invention takes following technical solution：
A kind of exhaust apparatus of lithium ion battery, including：Mounting portion, is provided with exhausting-gas hole and discharge in the mounting portion
Hole, the exhausting-gas hole can be connected with the liquid injecting mouth of lithium battery cover plate, and the liquid overflow hole is connected outside the exhausting-gas hole and mounting portion；
The liquid from liquid overflow hole outflow is collected in the liquid collecting portion being arranged on the mounting portion, the liquid collecting portion；It is arranged at the row
Check valve in stomata and/or the liquid overflow hole.
More specifically, the exhausting-gas hole is upwardly extended from the bottom surface of the mounting portion and set along the center line of the mounting portion
Put.
More specifically, the exhausting-gas hole is to extend upwardly to the blind of the mounting portion top from the bottom surface of the mounting portion
Hole, the check valve are arranged in the spout hole.
More specifically, the exhausting-gas hole is to extend upwardly to the logical of the mounting portion top surface from the bottom surface of the mounting portion
Hole, the check valve are arranged at one end that in the spout hole and the exhausting-gas hole is in communication with the outside.
More specifically, the center line of the liquid overflow hole and the center line of the exhausting-gas hole are perpendicular.
More specifically, the liquid collecting portion is arranged on the outer wall of the mounting portion, and positioned at the lower section of the spout hole.
More specifically, the liquid collecting portion is the annular groove continuously extended along the mounting portion outer circumferential surface.
More specifically, it is provided with the inner wall of the exhausting-gas hole lower part matched interior with the external screw thread on liquid injecting mouth outer wall
Screw thread.
From above technical scheme, the present invention sets exhausting-gas hole in the mounting portion of exhaust apparatus and connects with exhausting-gas hole
Logical spout hole, sets outside mounting portion and is used to collect the liquid from spout hole outflow, so as to prevent electrolyte outflow pair
Pollution, easy to clean, while coordinates check valve, makes the gas of inside battery can only flow outwardly caused by outside plant, it is impossible to
Inside battery is back to, so as to avoid lithium battery interior from being in contact with outside air, influences lithium battery performance.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, below will be to required use in embodiment or description of the prior art
Attached drawing do simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure diagram of the embodiment of the present invention 1；
Fig. 2 is the sectional view of the embodiment of the present invention 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the sectional view of the embodiment of the present invention 2.
The embodiment of the present invention is described in more detail below in conjunction with attached drawing.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings, when the embodiment of the present invention is described in detail, for purposes of illustration only, representing
The attached drawing of device architecture can disobey general proportion and do partial enlargement, and the schematic diagram is example, it should not be limited herein
The scope of protection of the invention.It should be noted that attached drawing is using simplified form and uses non-accurate ratio, only to side
Just the purpose of the embodiment of the present invention, is clearly aided in illustrating.
Embodiment 1
With reference to Fig. 1, Fig. 2 and Fig. 3, the exhaust apparatus of the present embodiment includes the mounting portion 1 of cylinder and is arranged at mounting portion 1
On liquid collecting portion 2, mounting portion 1 be used for be connected with the liquid injecting mouth on lithium battery cover plate.Exhausting-gas hole a is provided with mounting portion 1, is vented
Hole a can be set along the center line of mounting portion 1, be upwardly extended from the bottom surface of mounting portion 1, and the exhausting-gas hole a of the present embodiment is blind hole, row
Stomata a extends upwardly to the top of mounting portion 1 from the bottom surface of mounting portion 1.Be provided with mounting portion 1 for connect exhausting-gas hole a and
External liquid overflow hole b, exhausting-gas hole a are connected by liquid overflow hole b with the exterior of mounting portion 1.The center line of the liquid overflow hole b of the present embodiment
It is perpendicular with the center line of exhausting-gas hole a, after the gas of inside battery enters exhausting-gas hole a from the bottom of mounting portion 1, along exhausting-gas hole a
Move up, and discharged from liquid overflow hole b.Internal thread is machined with the inner wall of exhausting-gas hole a lower parts, is used for and lithium battery cap
External screw thread on plate on liquid injecting mouth is engaged, so that easily exhaust apparatus is installed at lithium battery cover plate fluid injection mouth position.
Check valve 3 is provided with liquid overflow hole b, check valve 3 is used to control the liquid, the gas that discharge through liquid overflow hole b all can only be unidirectional
By the way that exterior gas cannot enter in mounting portion 1 through check valve 3.The liquid overflow hole b of the present embodiment, which both had, discharges gas
Effect, it may have discharge the effect of liquid.
Liquid collecting portion 2 is arranged at the periphery of mounting portion 1, and the liquid collecting portion 2 of the present embodiment is continuous along 1 outer circumferential surface of mounting portion for one
The annular groove of extension, liquid collecting portion 2 are located at the lower section of liquid overflow hole b, when the electrolyte in lithium battery with inside battery gas through exhaust
When hole a is discharged, electrolyte can be expelled in liquid collecting portion 2 via liquid overflow hole b, be collected by liquid collecting portion 2, pass through liquid collecting portion
The depleted electrolytes of 2 pairs of outflows are collected, and can prevent electrolyte from being polluted to outside plants such as fixtures.
The application method of the exhaust apparatus of the present embodiment is illustrated with reference to Fig. 1 to Fig. 3：
When carrying out lithium battery activation, mounting portion 1 is closely coupled on the liquid injecting mouth of lithium battery cover plate by screw thread, is made
Obtain exhaust apparatus to be fixed on lithium battery cover plate, and the exhausting-gas hole a in mounting portion 1 is connected with lithium battery interior, cell activation mistake
The gas produced in journey can enter in the exhausting-gas hole a of mounting portion 1, then be discharged by liquid overflow hole b and check valve 3, when having
When unnecessary electrolyte is discharged with gas, the liquid collecting portion 2 outside electrolyte meeting attached portion 1 is collected, so as to avoid
Electrolyte is flowed to after being expelled directly out in fixture or frock, and outside plant is polluted, while check valve 3 is it is also ensured that outside
Air will not be back in lithium battery through exhaust apparatus.
Embodiment 2
As shown in figure 4, the present embodiment it is different from embodiment 1 place exist：The exhausting-gas hole a of the present embodiment is through hole, exhaust
Hole a extends upwardly to the top surface of mounting portion 1 from 1 bottom surface of mounting portion.The present embodiment except in liquid overflow hole b set check valve 3 in addition to,
Check valve 3 is also equipped with one end that exhausting-gas hole a is in communication with the outside.After the gas of lithium battery interior enters in exhausting-gas hole a, directly
Discharged upwards from 1 top surface of mounting portion through exhausting-gas hole a, the electrolyte that the liquid overflow hole b connected with exhausting-gas hole a will be discharged upwards with gas
Discharge to liquid collecting portion 2, electrolyte is collected by liquid collecting portion 2.Optionally, liquid overflow hole may be set to be from installation
Portion is tilted to be extended downward into outside mounting portion, and the electrolyte that thus can be beneficial to be more than is flowed in liquid collecting portion, prevents electrolyte from flowing back.
The exhaust apparatus of the present invention is connected by screw thread with the liquid injecting mouth on lithium battery cover plate, easy for installation, good airproof performance,
It can for a long time be contacted with outside air to avoid lithium battery interior during manual work, harmful effect be brought to lithium battery performance, together
When, the liquid collecting portion for being used for collecting electrolyte is set outside liquid overflow hole, easy to clean, can also improve production efficiency.
Certainly, technical concept of the invention is not limited in above-described embodiment, can also be obtained according to the design of the present invention
Many different concrete schemes, for example, the liquid collecting portion in previous embodiment is the annular groove continuously extended along mounting portion outer circumferential surface,
But liquid collecting portion can not also continuously extend along mounting portion outer circumferential surface, but spaced sectional arc groove, segmentation are set
The liquid collection section put can equally Wei Yu not play the role of collecting exhaust gas electrolyte below liquid overflow hole；In addition, mounting portion except
Can be cylinder, it is easy to process outer, the other shapes such as prismatic can also be used, are connected with liquid injecting mouth on lithium battery cover plate
Helicitic texture can be processed on exhausting-gas hole inner wall, can also be processed on mounting portion outer wall, can carry out phase according to the demand of product
The adjustment answered, such as these change and equivalent transformation should be included in it is of the present invention within the scope of.
Claims (8)
- A kind of 1. exhaust apparatus of lithium ion battery, it is characterised in that including：Mounting portion, is provided with exhausting-gas hole and liquid overflow hole in the mounting portion, the exhausting-gas hole can be with the liquid injecting mouth of lithium battery cover plate Connection, the liquid overflow hole are connected outside the exhausting-gas hole and mounting portion；The liquid from liquid overflow hole outflow is collected in the liquid collecting portion being arranged on the mounting portion, the liquid collecting portion；The check valve being arranged in the exhausting-gas hole and/or the liquid overflow hole.
- 2. the exhaust apparatus of lithium ion battery as claimed in claim 1, it is characterised in that：The exhausting-gas hole is from the mounting portion Bottom surface upwardly extend and along the mounting portion center line set.
- 3. the exhaust apparatus of lithium ion battery as claimed in claim 1 or 2, it is characterised in that：The exhausting-gas hole is from described The bottom surface of mounting portion extends upwardly to the blind hole on the mounting portion top, and the check valve is arranged in the spout hole.
- 4. the exhaust apparatus of lithium ion battery as claimed in claim 1 or 2, it is characterised in that：The exhausting-gas hole is from described The bottom surface of mounting portion extends upwardly to the through hole of the mounting portion top surface, and the check valve is arranged in the spout hole and described One end that exhausting-gas hole is in communication with the outside.
- 5. the exhaust apparatus of lithium ion battery as claimed in claim 1 or 2, it is characterised in that：The center line of the liquid overflow hole It is perpendicular with the center line of the exhausting-gas hole.
- 6. the exhaust apparatus of lithium ion battery as claimed in claim 1, it is characterised in that：The liquid collecting portion is arranged at the peace On the outer wall in dress portion, and positioned at the lower section of the spout hole.
- 7. the exhaust apparatus of the lithium ion battery as described in claim 1 or 6, it is characterised in that：The liquid collecting portion is along described The annular groove that mounting portion outer circumferential surface continuously extends.
- 8. the exhaust apparatus of the lithium ion battery as described in claim 1 or 2 or 6, it is characterised in that：The exhausting-gas hole lower part It is provided with inner wall and the matched internal thread of external screw thread on liquid injecting mouth outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450540.XA CN107978714A (en) | 2017-12-27 | 2017-12-27 | A kind of exhaust apparatus of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450540.XA CN107978714A (en) | 2017-12-27 | 2017-12-27 | A kind of exhaust apparatus of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107978714A true CN107978714A (en) | 2018-05-01 |
Family
ID=62008232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450540.XA Pending CN107978714A (en) | 2017-12-27 | 2017-12-27 | A kind of exhaust apparatus of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107978714A (en) |
Citations (18)
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| JPH0896786A (en) * | 1994-09-21 | 1996-04-12 | Matsushita Electric Ind Co Ltd | Lead-acid battery |
| JP2003257404A (en) * | 2002-03-05 | 2003-09-12 | Yuasa Corp | Lid structure of lead-acid battery |
| JP2010073326A (en) * | 2008-09-16 | 2010-04-02 | Shin Kobe Electric Mach Co Ltd | Vent plug for lead storage battery and lead storage battery equipped with vent plug |
| CN102208584A (en) * | 2011-04-28 | 2011-10-05 | 浙江谷神能源科技股份有限公司 | Liquid injection and safety dual-purpose valve for lithium ion battery |
| US20110262782A1 (en) * | 2010-04-23 | 2011-10-27 | Jianhua Zhu | Battery explosion-proof structure and power battery having the same |
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| CN204991776U (en) * | 2015-09-21 | 2016-01-20 | 重庆创祥电源有限公司 | Unhurried current type battery electrolyzer lid |
| CN105449284A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with anti-gas-expansion automatic liquid replenishing device |
| US20160141572A1 (en) * | 2014-11-14 | 2016-05-19 | Johnson Controls Technology Company | Liquid trap for a lithium ion battery system |
| CN205264781U (en) * | 2015-12-15 | 2016-05-25 | 程艳青 | Multi -functional discharge valve of environmental protection for maintenance free cell |
| CN205335327U (en) * | 2016-01-29 | 2016-06-22 | 无锡索亚特试验设备有限公司 | Explosion -proof pressure relief device of power battery high low temperature test equipment |
| CN205479524U (en) * | 2016-03-28 | 2016-08-17 | 张家港市嘉瑞制药机械有限公司 | Discharge apparatus prevents flow reversal device |
| CN106848146A (en) * | 2017-03-13 | 2017-06-13 | 欣旺达电子股份有限公司 | Lithium battery liquid injection hole closed exhaust device and lithium battery core producing method |
-
2017
- 2017-12-27 CN CN201711450540.XA patent/CN107978714A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1401947A (en) * | 1973-02-27 | 1975-08-06 | Bosch Gmbh Robert | Vent plugs for storage batteries |
| JPH0896786A (en) * | 1994-09-21 | 1996-04-12 | Matsushita Electric Ind Co Ltd | Lead-acid battery |
| JP2003257404A (en) * | 2002-03-05 | 2003-09-12 | Yuasa Corp | Lid structure of lead-acid battery |
| JP2010073326A (en) * | 2008-09-16 | 2010-04-02 | Shin Kobe Electric Mach Co Ltd | Vent plug for lead storage battery and lead storage battery equipped with vent plug |
| US20110262782A1 (en) * | 2010-04-23 | 2011-10-27 | Jianhua Zhu | Battery explosion-proof structure and power battery having the same |
| CN202042559U (en) * | 2011-03-30 | 2011-11-16 | 比亚迪股份有限公司 | Lithium ion battery |
| CN102208584A (en) * | 2011-04-28 | 2011-10-05 | 浙江谷神能源科技股份有限公司 | Liquid injection and safety dual-purpose valve for lithium ion battery |
| CN102403530A (en) * | 2011-10-21 | 2012-04-04 | 深圳市量能科技有限公司 | Flexible package lithium ion battery and processing method thereof |
| CN103050653A (en) * | 2012-12-18 | 2013-04-17 | 西湖电子集团有限公司 | Gas-liquid separation pressure relief valve of lithium power battery pack shell of electric car |
| CN103094512A (en) * | 2013-01-17 | 2013-05-08 | 苏州凯虹高分子科技有限公司 | Safety valve of lithium battery |
| CN105090912A (en) * | 2014-05-20 | 2015-11-25 | 苏州欧普照明有限公司 | Breather for lamp and lamp with breather |
| US20160141572A1 (en) * | 2014-11-14 | 2016-05-19 | Johnson Controls Technology Company | Liquid trap for a lithium ion battery system |
| CN105449284A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with anti-gas-expansion automatic liquid replenishing device |
| CN204991776U (en) * | 2015-09-21 | 2016-01-20 | 重庆创祥电源有限公司 | Unhurried current type battery electrolyzer lid |
| CN205264781U (en) * | 2015-12-15 | 2016-05-25 | 程艳青 | Multi -functional discharge valve of environmental protection for maintenance free cell |
| CN205335327U (en) * | 2016-01-29 | 2016-06-22 | 无锡索亚特试验设备有限公司 | Explosion -proof pressure relief device of power battery high low temperature test equipment |
| CN205479524U (en) * | 2016-03-28 | 2016-08-17 | 张家港市嘉瑞制药机械有限公司 | Discharge apparatus prevents flow reversal device |
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