CN206163544U - Power battery utmost point post pottery sealing device - Google Patents
Power battery utmost point post pottery sealing device Download PDFInfo
- Publication number
- CN206163544U CN206163544U CN201621170484.5U CN201621170484U CN206163544U CN 206163544 U CN206163544 U CN 206163544U CN 201621170484 U CN201621170484 U CN 201621170484U CN 206163544 U CN206163544 U CN 206163544U
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- Prior art keywords
- cover plate
- ceramic member
- pole
- ceramic
- power battery
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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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- Secondary Cells (AREA)
Abstract
The utility model discloses a power battery utmost point post pottery sealing device, the device includes: an apron that is used for with the cooperation of power battery casing wholly sealed to the battery core formation of inside, an utmost point post for inciting somebody to action on power battery cover plate installs the power battery casing, it will to be used for utmost point post advances a line location and a sealed ceramic member with the apron, with cover connection, place in the apron is locked with being used for the utmost point post the nut between, be used for with utmost point post advances line location and the 2nd sealed ceramic member with the apron, the cartridge has an utmost point post on the apron, and the apron is with extremely between the post, advance line location, insulation through ceramic member between apron and the nut. The utility model discloses well utmost point post passes through ceramic member's through -hole is in the same place with cover connection, through the sticky be connected together of special pottery to realize that power battery is sealed, simple structure novelty, product environmental protection, dependable performance, sealed effectual.
Description
Technical field
The utility model is related to power battery technology field, more particularly to a kind of power battery post ceramic seal dress
Put.
Background technology
With becoming increasingly conspicuous for problem of environmental pollution, low-carbon economy has become the main flow of economic development.Power electric
Pond generally refers to lithium ion battery, and lithium ion battery is a kind of novel battery succeeded in developing in 20th century, because it has specific energy
High, discharge voltage is stable, do not have the advantages of memory effect, environmental protection, military and civilian is widely used in recent years small-sized
In electrical equipment, such as mobile phone, portable computer, video camera, camera, to replace conventional batteries.At present, capacity is more than
The lithium-ion-power cell of 3Ah is applied in electric bicycle, electric bicycle, ups power and portable power tool, also
It is expected to become one of major impetus power supply of 21st century electric automobile, and in terms of artificial satellite, Aero-Space and energy storage
Have broad prospects.
Generally, battery cover plate device coordinates to internal battery formation integral sealing with housing, and cover board arrangement is typically wrapped
Include：Cover plate and the positive and negative electrode terminal and safety valve of cover plate connection etc..Initial electrokinetic cell is cylinder, its cover plate dress
Put and take single rivet arrangement, the rivet arrangement includes rivet and corresponding rubber cushion and fluid sealant；Wherein, it is fixed on cover plate
Rivet is directly as just (negative) extreme son, and rivet is connected with just (negative) pole lug of the core inside battery container.
Due to battery, assembled arrangement compares wasting space in the housing of cylinder, so being further improved to square power battery.
The housing of square lithium-ion-power cell is cuboid, and its cover board arrangement is made stud using double bolt structures, the structure
For the positive and negative electrode terminal of battery, clearly, during multiple battery series-parallel connections, external connection need not be adopted the advantage of bolt structure
The mode of welding, only need to fix metal connecting sheet and be capable of achieving with stud with nut, simple and easy to do, can avoid what spot welding connected
Problem of faulty soldering.
Hybrid-power battery and electric automobile have gradually obtained the accreditation of consumer as the representative of new-energy automobile.It is dynamic
Power battery is the important component part of new forms of energy battery, is the developing direction of new-energy automobile, thus the security of electrokinetic cell
Can be particularly important.The sealing of electrokinetic cell is one of key factor of impact battery safety and durable performance, and antiseepage is prevented
Leakage is always the technical barrier of electrokinetic cell.
Ceramics are the conventional accessories of all kinds of electrokinetic cells, are played the role of particularly important.Commercially application at present is each
In class electrokinetic cell top cover, its effect mainly positioning, insulation.
The sealing means overwhelming majority of the ceramic segment in existing electrokinetic cell adopts organic material sealing ring（Such as poly- second
The organic materials such as alkene, fluorubber, PFA）, such sealing ring under stress and hot conditions for a long time using there is ageing hardening,
The possibility for becoming fragile, so as to lose its sealing, sealing loses can cause water and oxygen in air to enter in battery, battery meeting
Premature failure, also can bring hidden danger to the security performance of battery.
In addition, electrokinetic cell is sealed using plastic parts and insulated, but adopt plastic parts as seal have with
Lower defect：
1. plastic parts long-time contact electrolyte can be corroded, and its sealing and resistance to ag(e)ing are substantially reduced, and cause modeling
Glue part is aging, seal failure, causes inside battery leakage；
2. when the temperature fluctuation of cell operating conditions is larger, plastic parts contraction change makes sealing effectiveness significantly than larger
Reduce；
3. in violent vibration environment, the sealing effectiveness of plastic parts cannot ensure battery.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is that a kind of power battery post ceramics of offer are close
Seal apparatus, pole is linked together by the through hole and cover plate of ceramic member in the utility model, is connected in by the way that special ceramics are gluing
Together, finally fixed with nut, so as to realize that electrokinetic cell is sealed, simple structure novelty, product environmental protection, dependable performance, sealing
Effect is good.
The technical solution of the utility model is as follows：
A kind of power battery post ceramic sealing device, wherein, the power battery post ceramic sealing device includes：
For coordinating the cover plate that integral sealing is formed to internal battery with housing of power cell；
It is connected with the cover plate, for the pole being installed to cover plate of power battery on housing of power cell；
It is connected with the pole and cover plate, is positioned in the middle of the pole and cover plate, for the pole and cover plate to be entered
Row positioning and the first ceramic member for sealing；
It is connected with the cover plate, is positioned over the cover plate and between the nut for locking the pole, for will be described
The second ceramic member that pole and cover plate are positioned and sealed；
Pole is fitted with the cover plate, the first ceramic member is fixed between the pole and cover plate, described first is ceramic
Part is sealed between the pole and cover plate；The second ceramic member, second ceramic member are fixed between the cover plate and nut
It is sealed between the cover plate and nut.
Preferably, the power battery post ceramic sealing device, wherein, in first ceramic member and the second ceramic member
The heart is separately provided for the first central through hole and the second central through hole passed through when the pole is installed, and first center leads to
Hole and the second central through hole are cylinder.
Preferably, the power battery post ceramic sealing device, wherein, the cover plate central be provided with for installation into
Through hole above the pole and first ceramic member, diameter with diameter greater than first central through hole of the through hole etc.
In the diameter of the second central through hole.
Preferably, the power battery post ceramic sealing device, wherein, first ceramic member is two stage steps shape
Shape.
Preferably, the power battery post ceramic sealing device, wherein, the pole by first ceramic member and
The through hole of the second ceramic member and cover plate connect, and contact site is used for ceramic member to be pasted into equipment substrate surface to equipment base
Material carries out the ceramic glue of wear Protection and carries out bonding.
Preferably, the power battery post ceramic sealing device, wherein, the cover plate has been left and right symmetrically arranged two poles
Post, two poles are set to two kinds of different colors.
Preferably, the power battery post ceramic sealing device, wherein, the pole is " T " font.
Preferably, the power battery post ceramic sealing device, wherein, first ceramic member and the second ceramic member
Material is the one kind in aluminum oxide, zirconium oxide, silica or nitrogen oxide or at least two mixing.
Beneficial effect：The utility model proposes a kind of power battery post ceramic sealing device, described device includes：With
In the cover plate for coordinating the battery formation integral sealing to inside with housing of power cell；For cover plate of power battery to be installed to
Pole on housing of power cell；Be positioned in the middle of the pole and cover plate, for by the pole and cover plate carry out positioning and
First ceramic member of sealing；It is connected with the cover plate, is positioned over the cover plate and between the nut for locking the pole, using
In the second ceramic member that the pole and cover plate are positioned and sealed；Be fitted with pole on the cover plate, the pole with
The first ceramic member is fixed between cover plate, first ceramic member is sealed between the pole and cover plate；The cover plate and spiral shell
The second ceramic member is fixed between mother, second ceramic member is sealed between the cover plate and nut.Pole in the utility model
Post is linked together by the through hole and cover plate of ceramic member, is connected together by the way that special ceramics are gluing, so as to realize electrokinetic cell
Sealing, simple structure novelty, product environmental protection, dependable performance, good sealing effect.
Due to being sealed by ceramic member between pole and cover plate, thus with good high temperature resistant, high intensity, high rigidity,
Good electrical property, hot property and chemical stability.The service life of sealing is extended by the way of refractory ceramics insulated enclosure
Life, while also extending the service life of battery.
Description of the drawings
Fig. 1 is the utility model power battery post ceramic sealing device structural representation.
Fig. 2 is the first ceramic member structural representation in the utility model power battery post ceramic sealing device.
Fig. 3 is the first ceramic member sectional view in the utility model power battery post ceramic sealing device.
Fig. 4 is the second ceramic member structural representation in the utility model power battery post ceramic sealing device.
Fig. 5 is ceramic glue distributed architecture schematic diagram in the utility model power battery post ceramic sealing device.
Fig. 6 is pole mounting structure schematic diagram in the utility model power battery post ceramic sealing device.
Fig. 7 is the principle schematic that the utility model power battery post ceramics realize sealing.
Specific embodiment
The utility model provides a kind of power battery post ceramic sealing device, to make the purpose of this utility model, technology
Scheme and effect are clearer, clear and definite, referring to the drawings and give an actual example to the utility model further describe.Should manage
Solution, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
As shown in figure 1, the utility model provides a kind of power battery post ceramic sealing device, it is characterised in that institute
Stating power battery post ceramic sealing device includes：
For coordinating the cover plate 20 that integral sealing is formed to internal battery with housing of power cell；
It is connected with the cover plate 20, for the pole 10 being installed to cover plate of power battery on housing of power cell；
It is connected with the pole 10 and cover plate 20, is positioned in the middle of the pole 10 and cover plate 20, for by the pole
10 and the first ceramic member 30 that positioned and sealed of cover plate 20；
It is connected with the cover plate 20, is positioned over the cover plate 20 and between the nut 50 for locking the pole 10, using
In the second ceramic member 40 that the pole 10 and cover plate 20 are positioned and sealed；
Pole 10 is fitted with the cover plate 20, the first ceramic member 30, institute are fixed between the pole 10 and cover plate 20
State the first ceramic member 30 to be sealed between the pole 10 and cover plate 20；The second pottery is fixed between the cover plate 20 and nut 50
Porcelain piece 40, second ceramic member 40 is sealed between the cover plate 20 and nut 50.
As shown in Fig. 2, Fig. 3 and Fig. 4, the center of 30 and second ceramic member of the first ceramic member 40 is separately provided for
The first central through hole 33 and the second central through hole 41 that the pole passes through when installing, in first central through hole 33 and second
Heart through hole 41 is cylinder.
The cover plate 20 is provided centrally with the through hole for installation into the pole 10 and the top of first ceramic member 30,
The diameter with diameter greater than first central through hole 33 of the through hole is equal to the diameter of the second central through hole 41.In described first
Being disposed to of heart through hole 33 is easy to the insertion of the pole 10, when the pole 10 is inserted into first ceramic member 30
After first central through hole 33, the cover plate 20 is set in into the top of first ceramic member 30, so the through hole of the cover plate 20
Diameter is equal to or slightly greater than the diameter of the second central through hole 41, and the first central through hole 33 of first ceramic member 30
Diameter of the diameter less than the second central through hole 41 of second ceramic member 40.
As shown in Fig. 2 first ceramic member 30 is two stage steps shape, first ceramic member 30 includes first order platform
Rank 31 and second level step 32, the second level step 32 equivalent to a boss in the top of first order step 31, such as Fig. 3 institutes
Show, the diameter of first central through hole 33 is equal to the internal diameter of the boss.
As shown in figure 4, the center of the second ceramic member 40 offers the second central through hole 41, it is arranged in the cover plate 20
After first ceramic member 30, second ceramic member 40 is arranged on the top of the cover plate 20, just ceramic with described first
The top of second level step 32 of part 30 flushes.The height of second ceramic member 40 is equal to the first order step of the first ceramic member 30
31 height.
As shown in figure 5, through hole and cover plate 20 that the pole 10 passes through the ceramic member 40 of first ceramic member 30 and second
Connection, after two ceramic members are installed, contact site must have certain space, so contact site is used for inciting somebody to action
Ceramic member pastes equipment substrate surface carries out the ceramic glue of wear Protection to equipment base material carries out bonding, and carrying out ceramic glue is carried out
The position of bonding is the region of oval sign in ceramic glue abutting edge 60, i.e. Fig. 5.
Ceramic glue is irrigated between the position that pole is contacted with cover plate, ceramic member, ceramic seal is cooled into by sintering
Layer so that battery cover board forms an overall structure with pole by ceramic sealing layer.Therefore electrokinetic cell is in strenuous vibration feelings
Under condition, good sealing effectiveness is also can guarantee that, while decreasing assembly program, improve working (machining) efficiency, reduced cost.
As shown in fig. 6, the cover plate 20 has been left and right symmetrically arranged two poles 10, two poles 10 are set to two kinds of differences
Color, for distinguishing positive electrode and negative electrode, it is to avoid user mistakes, so as to improve the safety in utilization of battery.The pole
Post 10 is " T " font.
Ceramic member is obtained for ceramics, and ceramics are and are made up of raw material with one or more metal oxide or nitride, has
There is a higher melt temperature, highly stable in oxidizing atmosphere and higher mechanical strength, electrical insulation capability and chemically stable
Property.In the present embodiment, the material of the ceramic member 40 of first ceramic member 30 and second is aluminum oxide, zirconium oxide, silica or oxygen
Change the one kind in nitrogen or at least two mixing.
Further, based on described above for a kind of power battery post ceramic sealing device, as shown in fig. 7, this practicality
New middle power battery post ceramics realize that close operation principle comprises the steps：
S100, by pole the top of the pole is placed on through the first central through hole of the first ceramic member.
Incoming first ceramic member of the pole, the diameter of pole place vertical direction is equal to or slightly less than the first ceramic member
The first central through hole diameter, so pole could very easily pass through the first central through hole, or by ceramic by first
Part is placed directly in（It is arranged）No matter the pole top, can complete the peace of the first ceramic member and pole by which kind of mode
Dress.
S200, will be placed on the first ceramic member for the cover plate coordinated with housing of power cell by the through hole of the cover plate
Top.
Next it is exactly that the cover plate is ceramic installed in described first after the first ceramic member and pole complete to install
The top of part, the cover plate begins with through hole, it is evident that the diameter with diameter greater than the first central through hole of the through hole, is equal to
Or the external diameter of the second level step slightly larger than the first ceramic member, it is also to be easy to that cover plate is installed on the first ceramic member
Side.
S300, the cover plate top is fitted in by the second ceramic member by the second central through hole, the through hole of the cover plate
The outer wall of the second level step of the inwall of the second central through hole of inwall and second ceramic member and first ceramic member
Contact.
After cover plate and the first ceramic member complete to install, the second ceramic member is fitted in by the second central through hole described
Cover plate top, the diameter of the second central through hole is equal to or slightly greater than the external diameter of the second section step of the first ceramic member, the second pottery
The height of porcelain piece is equal to the height of the first order step of the first ceramic member, after the second ceramic member installation, just by first
Ceramic member is covered beyond the position of the second level step protrusion of the first ceramic member of cover plate, and second ceramic member is equivalent to the
Second central through hole of the first order step of one ceramic member, the inwall of the through hole of the cover plate and second ceramic member it is interior
The outer wall of the second level step of wall and first ceramic member contacts, and the position for contacting is due to the different of diameter or by mistake
Difference certainly exists certain space.
S400, by ceramic glue by the inwall of the through hole of the cover plate and the second central through hole of second ceramic member
Inwall and the position that contacts of outer wall of second level step of first ceramic member carry out bonding.
After the second ceramic member and cover plate complete to install, due to the inwall and second pottery of the through hole of the cover plate
The outer wall of the second level step of the inwall of the second central through hole of porcelain piece and first ceramic member contacts, and the portion for contacting
Position certainly exists certain space due to the different or error of diameter, then for the effect for ensureing to seal, using for will
Ceramic member pastes equipment substrate surface and the ceramic glue of wear Protection is carried out to equipment base material to contact site（Space）Glued
Connect, prevent space and cannot seal.
S500, after ceramic glue solidification, is locked the pole by nut.
After the completion of ceramic glue bonding, ceramic sealing layer is cooled into by sintering, then by nut by the pole
Locked so that battery cover board forms an overall structure with pole by ceramic sealing layer, reaches the effect for fully sealing.
The through hole and cover plate connection that the pole passes through first ceramic member and the second ceramic member, contact site uses pottery
Porcelain cement carries out bonding, ceramic sealing layer is cooled into by sintering, for sealing and insulating.
In the power battery post ceramic sealing device structure of above-described embodiment, have on the basis of previous technique scheme
Body is also possible that ceramic sealing layer is stretched out along lid surface centered on pole, forms annular isolation layer.So can enter
One step strengthens sealing, the effect of leakage-proof and seepage-proof of battery cover board.
In sum, the utility model discloses a kind of power battery post ceramic sealing device, described device includes：With
In the cover plate for coordinating the battery formation integral sealing to inside with housing of power cell；For cover plate of power battery to be installed to
Pole on housing of power cell；Be positioned in the middle of the pole and cover plate, for by the pole and cover plate carry out positioning and
First ceramic member of sealing；It is connected with the cover plate, is positioned over the cover plate and between the nut for locking the pole, using
In the second ceramic member that the pole and cover plate are positioned and sealed；Be fitted with pole on the cover plate, the pole with
The first ceramic member is fixed between cover plate, first ceramic member is sealed between the pole and cover plate；The cover plate and spiral shell
The second ceramic member is fixed between mother, second ceramic member is sealed between the cover plate and nut.Pole in the utility model
Post is linked together by the through hole and cover plate of ceramic member, is connected together by the way that special ceramics are gluing, so as to realize electrokinetic cell
Sealing, simple structure novelty, product environmental protection, dependable performance, good sealing effect.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or be converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit is required.
Claims (7)
1. a kind of power battery post ceramic sealing device, it is characterised in that the power battery post ceramic sealing device bag
Include：
For coordinating the cover plate that integral sealing is formed to internal battery with housing of power cell；
It is connected with the cover plate, for the pole being installed to cover plate of power battery on housing of power cell；
It is connected with the pole and cover plate, is positioned in the middle of the pole and cover plate, it is fixed for the pole and cover plate to be carried out
Position and the first ceramic member of sealing；
It is connected with the cover plate, is positioned over the cover plate and between the nut for locking the pole, for by the pole
The second ceramic member for being positioned with cover plate and being sealed；
Pole is fitted with the cover plate, the first ceramic member is fixed between the pole and cover plate, first ceramic member is close
It is enclosed between the pole and cover plate；The second ceramic member, the second ceramic member sealing are fixed between the cover plate and nut
Between the cover plate and nut.
2. power battery post ceramic sealing device according to claim 1, it is characterised in that
First ceramic member and the second ceramic member center are separately provided for the first center passed through when the pole is installed
Through hole and the second central through hole, first central through hole and the second central through hole are cylinder.
3. power battery post ceramic sealing device according to claim 2, it is characterised in that
The cover plate central is provided with for installation into the through hole above the pole and first ceramic member, the through hole
The diameter of the second central through hole is equal to diameter greater than the diameter of first central through hole.
4. power battery post ceramic sealing device according to claim 3, it is characterised in that first ceramic member is two
Level step shape.
5. power battery post ceramic sealing device according to claim 4, it is characterised in that the pole is by described the
The through hole and cover plate connection of one ceramic member and the second ceramic member, contact site is used for ceramic member to be pasted into equipment base material table
The ceramic glue for carrying out wear Protection in the face of equipment base material carries out bonding.
6. power battery post ceramic sealing device according to claim 1, it is characterised in that the symmetrical peace of the cover plate
Equipped with two poles, two poles are set to two kinds of different colors.
7. power battery post ceramic sealing device according to claim 1, it is characterised in that the pole is " T " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170484.5U CN206163544U (en) | 2016-10-26 | 2016-10-26 | Power battery utmost point post pottery sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170484.5U CN206163544U (en) | 2016-10-26 | 2016-10-26 | Power battery utmost point post pottery sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163544U true CN206163544U (en) | 2017-05-10 |
Family
ID=58656943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170484.5U Active CN206163544U (en) | 2016-10-26 | 2016-10-26 | Power battery utmost point post pottery sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
-
2016
- 2016-10-26 CN CN201621170484.5U patent/CN206163544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
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