CN102420308A - Partition plate and needle cylinder assembly for electrolyte injection equipment - Google Patents
Partition plate and needle cylinder assembly for electrolyte injection equipment Download PDFInfo
- Publication number
- CN102420308A CN102420308A CN2011103951611A CN201110395161A CN102420308A CN 102420308 A CN102420308 A CN 102420308A CN 2011103951611 A CN2011103951611 A CN 2011103951611A CN 201110395161 A CN201110395161 A CN 201110395161A CN 102420308 A CN102420308 A CN 102420308A
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- Prior art keywords
- dividing plate
- syringe
- isolating pad
- electrolytic solution
- assembly
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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
Abstract
The invention provides a partition plate and needle cylinder assembly for electrolyte injection equipment. The assembly is used for injecting electrolyte into a battery provided with a liquid injection port; the assembly comprises a partition plate, a needle cylinder member and an isolation pad; the partition plate comprises a first lateral surface and a second lateral surface opposite to the first lateral surface, the needle cylinder member is arranged on the first lateral surface, the needle cylinder member comprises at least one needle cylinder, and the at least one needle cylinder is provided with a liquid injection nozzle capable of being extended to pass through the first lateral surface of the partition plate; and the isolation pad is arranged on the second lateral surface of the partition plate, and the partition plate is provided with an open pore through which the liquid injection nozzle of the needle cylinder passes. Compared with the prior art, the partition plate and needle cylinder assembly for the electrolyte injection equipment has the advantages that: the assembly can seal the butted environment of the liquid injection port of the battery and the liquid injection nozzle of the needle cylinder, so that the conditions of poor air tightness and complex injection steps in the injection process of the electrolyte injection equipment are changed, and the injection efficiency and the vacuumizing effect are improved.
Description
Technical field
The present invention relates to a kind of injecting electrolytic solution equipment with dividing plate and syringe assembly, relate in particular to a kind of ability and improve dividing plate and the syringe assembly that vacuumizes effect.
Background technology
At present; Along with the progress of microelectric technique and the development of a large amount of mobile electronic equipments that come out; Like mobile phone, video camera, notebook computer, palmtop PC and the electric automobile that occurs in recent years etc., this high-energy, volume are little to having, the demand of the lithium ion battery of dependable performance is increasing.Therefore, each research institution and Battery Company are more and more to the research input of lithium ion battery, and be also more and more deep to the research of lithium ion.
In the current battery production process, after cell package, must use injecting electrolytic solution equipment, electrolyte quantitatively is injected in the battery.Battery is reserved a liquid injection port for fluid injection at its shell usually, carries out the sealing of this liquid injection hole after accomplishing with fluid injection again.The fluid injection mode that battery is commonly used has the vacuum injection process, promptly to battery vacuum-pumping, makes electrolyte under vacuum pressure, oneself get in the battery; This method is owing to be earlier to extract inside battery gas out fluid injection again to can solve the excessive phenomenon of electrolyte, but in the fluid injection process, can battery liquid-filling equipment be shifted onto in the vacuum chamber and vacuumize; So must the air of whole vacuum chamber be extracted when vacuumizing; The ability fluid injection, and need to spend the time that pushes vacuum tank behind the syringe equipment of the fluid injection combination battery, so its defective is that the fluid injection time is oversize; And owing to need good vacuum insulating environment; For the airtight of battery vacuum-pumping process very high requirement is arranged, thereby cause the fluid injection inefficiency, and can't satisfy automatic batch production; And can not accomplish real-time secluding air to above electrolyte filling method, in the hope of airtight to realizing around the battery liquid-filling mouth in vacuum.
In view of this, be necessary to provide a kind of new dividing plate and syringe assembly to solve the problems referred to above.
Summary of the invention
Deficiency to prior art; The technical problem that the present invention solves is to provide a kind of air insulated equipment; Said air insulated equipment can change that injecting electrolytic solution equipment fluid injection process air airtight performance is poor, the situation of fluid injection complicated steps, the effect that improves fluid injection efficient and vacuumize.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of injecting electrolytic solution equipment with dividing plate and syringe assembly, is used for to the battery injection electrolyte with liquid injection port, and this assembly comprises dividing plate, syringe member and isolating pad; Its median septum comprise first side and with the first side second side surface opposite; Said syringe member is arranged on said first side; Said syringe member comprises at least one syringe, and said at least one syringe has the extensible liquid injecting mouth that passes said dividing plate first side; Isolating pad is arranged on second side of said dividing plate, and said isolating pad is provided with perforate and passes for the liquid injecting mouth of said syringe.
As further improvement of the present invention, said dividing plate is provided with through hole and passes for said syringe liquid injecting mouth, and said isolating pad partly is contained in said through hole.
As further improvement of the present invention, said isolating pad comprises at least one O type ring, and said at least one O type ring is provided with opening and passes for the liquid injecting mouth of said syringe.
As further improvement of the present invention, said dividing plate is that the metal material of electrolyte resistance corrosion is processed.
As further improvement of the present invention, said isolating pad is processed for the electrolyte resistance corrosion material.
As further improvement of the present invention, said isolating pad and said separator glue bonding.
As further improvement of the present invention, said dividing plate first side is provided with the syringe installation region, and said syringe installation region comprises the installation cavity that is depressed in said first side.
As further improvement of the present invention, said syringe member and said dividing plate solder joint.
As further improvement of the present invention, said dividing plate second side also is provided with the electrode host cavity, and said electrode host cavity is used for accommodating the electrode of the battery that cooperates with said dividing plate.
As further improvement of the present invention, said isolating pad is independent of the setting of said electrode host cavity.
Compared with prior art; The invention has the beneficial effects as follows: provide a kind of injecting electrolytic solution equipment with dividing plate and syringe assembly; Said assembly can be realized airtight with the environment that docks of syringe liquid injecting mouth to the battery upper liquid filling mouth; Injecting electrolytic solution equipment fluid injection process air airtight performance is poor, the situation of fluid injection complicated steps thereby change, the effect that improves fluid injection efficient and vacuumize.
Description of drawings
Fig. 1 is embodiment median septum of the present invention and syringe components side view;
Fig. 2 is the vertical view of an embodiment median septum of the present invention;
Fig. 3 is the cross-sectional view of dividing plate shown in Figure 2.
Fig. 4 is the partial schematic diagram that injecting electrolytic solution equipment combines with syringe assembly and battery at fluid injection process median septum in embodiment of the present invention.
Embodiment
Below will combine each execution mode shown in the drawings to describe the present invention.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in protection scope of the present invention.
Generally speaking, the shape of battery is divided into column type (Cylinder) and two kinds of shapes of square (Prismatic), and the composition of battery then comprises battery container (housing of battery outside), battery core cap, reaches the battery structure of inside; The battery structure is inserted in the battery container, again with battery core cap and battery container with mode driving fits such as welding after, inject the electrolyte at last in the battery, promptly accomplish the main manufacturing process of battery.And last electrolyte injection process, if careless manipulation will cause battery life minimizing, capacity reduction, internal resistance increase etc. to have a strong impact on manifesting of battery electrical property.Thus, the electrolyte injection process is conspicuous for the importance of battery quality.
Join shown in Figure 1; A kind of injecting electrolytic solution equipment provided by the present invention is with dividing plate and syringe assembly; Be used for to the battery injection electrolyte with liquid injection port, said assembly includes dividing plate 100 and syringe 200, and this assembly comprises dividing plate 100, syringe member 200 and isolating pad 123; Its median septum 100 comprise first side 101 and with first side, 101 second side surface opposite 102; Said syringe member is arranged on said first side 101; Said syringe member 200 comprises at least one syringe 210, and said at least one syringe 210 has the extensible liquid injecting mouth 201 that passes said dividing plate first side 101; Isolating pad 123 is arranged on second side 102 of said dividing plate, and said isolating pad 123 is provided with perforate (not shown) and passes for the liquid injecting mouth 201 of said syringe.Said syringe member 200 and said dividing plate 100 integrated settings; In the embodiments of the invention; Preferably, solder joint between said syringe member 200 and the said dividing plate 100 can keep said syringe member 200 to satisfy the fluid injection requirement with said dividing plate 100 associated movements thereby so be provided with.
Ginseng Fig. 2 and shown in Figure 3, dividing plate 100 provided by the present invention, it is provided with syringe installation region 12; Said syringe installation region 12 is used in syringe member 200 and dividing plate 100 installation processes, and syringe member 200 is fixed in this zone, and said through hole 121 runs through said installation region; Therefore syringe member 200 can be combined closely with said dividing plate 100, and in the embodiments of the invention, preferred; The cross sectional shape of syringe installation region 12 with syringe member 200 is complementary, concrete, to single syringe 210; Installation region 12 has the shape setting of coupling, and is designed to be depressed in the installation cavity 124 of first side 101 of said dividing plate 100, and said installation cavity 124 is provided with for depression; Then said syringe member 200 can better be located in installation process, and in the course of processing; For example in the welding process, possesses better welding efficiency.In the embodiments of the invention, preferred, said installation cavity 124 is set to funnel shaped; Corresponding also is set to matched shape with syringe member 200 front ends, and thus, installation process efficient is higher; Thus; Related through hole 121 also is provided with the bottom with said vacuum chamber 124 funnels among the present invention, and said syringe member 200 is more efficient in docking operation with said dividing plate 100, also avoids in the installation process damaged in collision to syringe liquid injecting mouth 201 simultaneously.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, second side 102 of said dividing plate 100 is provided with isolating pad 123, in the embodiments of the invention; Preferably, said isolating pad 123 is optimized to the position of through hole 121, and the quantity of said isolating pad 123 is consistent with said through hole 121; Promptly only be positioned at said through hole 121 peripheral regions and be designed with isolating pad 123; So be arranged on when satisfying the fluid injection demand, also can effectively save cost, enhance productivity.123 of said isolating pad need to surround said through hole 121 and are provided with perforate in through hole 121 places; Said isolating pad 123 need possess certain thickness simultaneously; Guaranteeing in the fluid injection process, dividing plate 100 matches with battery 300 in the process, and said dividing plate 100 moves with respect to said battery 300 and pushes said isolating pad 123 simultaneously; Because the liquid injecting mouth 201 of said syringe 200 is placed through said through hole 121 and said isolating pad 123; Then said liquid injecting mouth 201 can also dock with said battery upper liquid filling mouth 301, then in this process, pushes said isolating pad 123; Can effectively airtight said liquid injecting mouth 201 and said battery liquid-filling mouth 301 between the zone; Forming one, do not have air when then said isolating pad 123 cooperates said dividing plate 100 can guarantee that inside battery carried out vacuum pumping and get into said unified space, thereby satisfy the demand that vacuumizes by the unified space of said syringe 210 to said inside battery.In the embodiments of the invention, preferred, isolating pad 123 parts are arranged among the said through hole 121; And part isolating pad 123 protrudes out second side 102 of said dividing plate 100, when satisfying the fluid injection process and vacuumizing demand, can guarantee stability between isolating pad 123 and the dividing plate 100 thus; Certainly in this process; Remain a straight line setting on the perforate of said isolating pad 123 and the said dividing plate 100 between the through hole 121, so could satisfy the fluid injection demand, in the embodiments of the invention; Preferably; Through hole 121 is provided with isolating pad installation portion 122, and what said isolating pad installation portion 122 was concrete has expansion than through hole 121 apertures, with the convenient isolating pad 123 of installing.In the embodiments of the invention; Preferably, said isolating pad 123 also includes O type ring, and said O type ring is a hollow and annular; Shape similar " water wing "; Its part is arranged among the through hole 121 of said dividing plate 100, and other has part to protrude said dividing plate 100 second sides 102, also can satisfy fluid injection and vacuumize demand.Certainly; Aforesaid isolating pad 123 all fix with said dividing plate 100 on; Avoided thus in the fluid injection process, thereby unstable perhaps accidental in the position of isolating pad 123 so that vacuum pumping weak effect have influence on the quality of battery, in the embodiments of the invention; Preferably, adopt super glue that said isolating pad 123 is sticked on the said dividing plate 100.Eventually the above; Said dividing plate 100 is processed for the metal material that needs the electrolyte resistance corrosion, and need have good rigidity, to satisfy the support of fluid injection process for whole system; Said isolating pad 123 need be processed for the electrolyte resistance corrosion material; In the embodiments of the invention, preferred, adopt silica gel material to make said isolating pad 123.
Simultaneously, in the fluid injection process, said dividing plate 100 meetings need be adaptive with battery 300; Liquid injecting mouth docks with battery upper liquid filling mouth 301 on the said syringe 210 simultaneously, and all has positive and negative electrode on the battery, corresponding; Be concaved with electrode host cavity 13 on second side 102 of dividing plate 100 of the present invention, said electrode host cavity 13 is corresponding with said battery electrode quantity and size, just can be in the fluid injection process; Guarantee to combine closely between dividing plate 100 and the battery 300, guarantee the stability of fluid injection process.Because corresponding syringe 210 of battery; And a battery has positive and negative electrode, and the number of then said electrode host cavity 13 is the twice of said syringe 210 certainly, also is the twice of said through hole 121; And said host cavity 13 is corresponding with said battery electrode position; Said through hole 121 is corresponding with said battery liquid-filling mouth 301 positions, and said isolating pad 123 can not cover said electrode host cavity 13, thereby guarantees to accommodate carrying out smoothly of process.In the fluid injection process thus, just very strict to the selection requirement of battery location, so just can reach accurate fluid injection demand.
The dividing plate 100 that has isolating pad 123 provided by the present invention is in the fluid injection process; Usually adopt compression assembly (not shown) that dividing plate is carried out Position Control in the industry, said compression assembly adopts cylinder form or mechanical pressurization form usually, owing to be not emphasis of the present invention; The applicant does not do at this and gives unnecessary details; Also be provided with affiliated compression assembly on the corresponding dividing plate 100 and think corresponding installing hole 14, in the embodiments of the invention, preferred; Installing hole 14 is set to two, is arranged at said dividing plate both sides respectively.Similarly, the fixing hole 11 that is connected with the base for supporting that supports said dividing plate 100 also is set, in the embodiments of the invention on the dividing plate 100; Preferably; Fixing hole 11 is set to four, is distributed in four corners of said dividing plate, can better support said dividing plate 100 with this; Make whole liquid-injection equipment reach stable state, guarantee fluid injection and vacuumize quality.
Because the dividing plate 100 that has isolating pad 123 provided by the present invention is to design to injecting electrolytic solution equipment; Therefore; Common assembly in some injecting electrolytic solution equipment; Be well known to those skilled in the art like concrete assembled relation between vacuum pump, force (forcing) pump, vacuum subassembly and supporting base etc. and the said dividing plate 100, so the applicant no longer further narrates at this.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore no matter from which point; All should regard embodiment as exemplary; And be nonrestrictive; Scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.
Claims (10)
1. an injecting electrolytic solution equipment is used for to the battery injection electrolyte with liquid injection port with dividing plate and syringe assembly, and it is characterized in that: this assembly comprises dividing plate, syringe member and isolating pad; Its median septum comprise first side and with the first side second side surface opposite; Said syringe member is arranged on said first side; Said syringe member comprises at least one syringe, and said at least one syringe has the extensible liquid injecting mouth that passes said dividing plate first side; Isolating pad is arranged on second side of said dividing plate, and said isolating pad is provided with perforate and passes for the liquid injecting mouth of said syringe.
2. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said dividing plate is provided with through hole and passes for said syringe liquid injecting mouth, and said isolating pad partly is contained in said through hole.
3. according to claim 1 or claim 2 injecting electrolytic solution equipment is with dividing plate and syringe assembly, and it is characterized in that: said isolating pad comprises at least one O type ring, and said at least one O type ring is provided with opening and passes for the liquid injecting mouth of said syringe.
4. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said dividing plate is that the metal material of electrolyte resistance corrosion is processed.
5. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said isolating pad is processed for the electrolyte resistance corrosion material.
6. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said isolating pad and said separator glue bonding.
7. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said dividing plate first side is provided with the syringe installation region, and said syringe installation region comprises the installation cavity that is depressed in said first side.
Like claim 1 or 7 described injecting electrolytic solution equipment with dividing plate and syringe assembly, it is characterized in that: said syringe member and said dividing plate solder joint.
9. injecting electrolytic solution equipment as claimed in claim 1 is characterized in that with dividing plate and syringe assembly: said dividing plate second side also is provided with the electrode host cavity, and said electrode host cavity is used for accommodating the electrode of the battery that cooperates with said dividing plate.
10. injecting electrolytic solution equipment as claimed in claim 9 is characterized in that with dividing plate and syringe assembly: said isolating pad is independent of the setting of said electrode host cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103951611A CN102420308A (en) | 2011-12-02 | 2011-12-02 | Partition plate and needle cylinder assembly for electrolyte injection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103951611A CN102420308A (en) | 2011-12-02 | 2011-12-02 | Partition plate and needle cylinder assembly for electrolyte injection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102420308A true CN102420308A (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103951611A Pending CN102420308A (en) | 2011-12-02 | 2011-12-02 | Partition plate and needle cylinder assembly for electrolyte injection equipment |
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| Country | Link |
|---|---|
| CN (1) | CN102420308A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050285A (en) * | 2013-01-15 | 2013-04-17 | 中国振华（集团）新云电子元器件有限责任公司 | Acid filling jig of novel ultra-large-capacity capacitor and acid filling method for novel ultra-large-capacity capacitor |
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
| CN115483516A (en) * | 2021-05-31 | 2022-12-16 | 大众汽车股份公司 | Method for producing a battery cell |
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|---|---|---|---|---|
| US20020150813A1 (en) * | 1997-11-24 | 2002-10-17 | Un-Sick Park | Secondary battery |
| CN1705147A (en) * | 2004-06-01 | 2005-12-07 | 肇庆市风华锂电池有限公司 | Process and device for cell pole piece pressurization and injection |
| JP2007323860A (en) * | 2006-05-30 | 2007-12-13 | Hitachi Maxell Ltd | Sealed battery |
| CN200997414Y (en) * | 2006-12-28 | 2007-12-26 | 比亚迪股份有限公司 | Liquid filler for battery |
-
2011
- 2011-12-02 CN CN2011103951611A patent/CN102420308A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020150813A1 (en) * | 1997-11-24 | 2002-10-17 | Un-Sick Park | Secondary battery |
| CN1705147A (en) * | 2004-06-01 | 2005-12-07 | 肇庆市风华锂电池有限公司 | Process and device for cell pole piece pressurization and injection |
| JP2007323860A (en) * | 2006-05-30 | 2007-12-13 | Hitachi Maxell Ltd | Sealed battery |
| CN200997414Y (en) * | 2006-12-28 | 2007-12-26 | 比亚迪股份有限公司 | Liquid filler for battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050285A (en) * | 2013-01-15 | 2013-04-17 | 中国振华（集团）新云电子元器件有限责任公司 | Acid filling jig of novel ultra-large-capacity capacitor and acid filling method for novel ultra-large-capacity capacitor |
| CN115483516A (en) * | 2021-05-31 | 2022-12-16 | 大众汽车股份公司 | Method for producing a battery cell |
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |