CN208189649U - Secondary cell top cover and its secondary cell - Google Patents
Secondary cell top cover and its secondary cell Download PDFInfo
- Publication number
- CN208189649U CN208189649U CN201820726597.1U CN201820726597U CN208189649U CN 208189649 U CN208189649 U CN 208189649U CN 201820726597 U CN201820726597 U CN 201820726597U CN 208189649 U CN208189649 U CN 208189649U
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- pole
- connector
- coping plate
- connecting portion
- secondary cell
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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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Abstract
The utility model provides a kind of secondary cell top cover and its secondary cell, it include: coping plate and the first electrode unit and second electrode unit for being set to coping plate, coping plate includes the first pole column hole and the second pole column hole, first electrode unit includes the first pole and first connecting portion, first pole is located at the top of coping plate and electrical connection coping plate, first connecting portion wears the first pole column hole and is fixedly connected with the first pole, second electrode unit includes the second pole and second connecting portion, second pole is located at the top of coping plate and is electrically insulated with coping plate, second connecting portion wears the second pole column hole and is fixedly connected with the second pole.By the way that electrode unit is divided into two parts, thus mutually unaffected and mounting structure is firm during installation；Directly be electrically connected rather than be connected by third member by the first pole and coping plate, can be to avoid the exceptional space of occupancy battery, and also avoids the problem of third member loosens in battery is used for a long time.
Description
Technical field
The utility model relates to energy storage instrument field more particularly to a kind of secondary cell top covers and its secondary cell.
Background technique
The driving power of modern society, more and more electric tools and the new energy vehicles is towards high capacity, Gao An
The direction of full property is developed, and battery is widely used in electric tool and the new energy vehicles with good characteristics such as its high capacity
In.These batteries should also have good safety to can be only achieved the standard used and meet people other than with high capacity
Demand.
Its shell of general secondary cell and top cover constitute the cavity for accommodating electrolyte and battery core, and shell and top cover are logical
It is often aluminium material, due to the presence of electrolyte, in battery in use, the corrosion of aluminum hull occurs because of galvanic effect and influences
The normal use of battery.Aluminum hull corrodes in order to prevent, and more at present is to be electrically connected coping plate with anode and improve
The voltage of aluminum hull top cover is connected with Positive Poles by a conductive connection sheet, connection sheet can be located at preventing from corroding
Inside battery or outside, but the inside that battery is arranged in this connection sheet can occupy excessive space and influence the volume of battery
Energy density, the outside that battery is arranged in will affect the overall appearance of battery, while this connection sheet is in battery long-time service
It can occur to loosen and cannot achieve permanent electrical connection.
Therefore, it is badly in need of providing the new cap structure of one kind to solve the above problems.
Utility model content
The purpose of this utility model is that providing a kind of secondary cell top cover and its secondary in view of the deficiencies of the prior art
Battery can effectively prevent the corrosion of aluminum hull, and cap structure is firm, space utilization rate is high.
In order to achieve the above object, the utility model provides a kind of secondary cell top cover, comprising: coping plate and be set to institute
The first electrode unit and second electrode unit of coping plate are stated, the coping plate includes the first pole column hole and the second pole column hole, institute
Stating first electrode unit includes the first pole and first connecting portion, and first pole is located at the top of the coping plate and is electrically connected
The coping plate is connect, the first connecting portion wears first pole column hole and is fixedly connected with first pole, and described
Two electrode units include the second pole and second connecting portion, second pole be located at the top of the coping plate and with the top
Cover plate electrical isolation, the second connecting portion wear second pole column hole and are fixedly connected with second pole.
As an embodiment, first pole includes the first connector, the first pole part and boss, first pole
Part and the boss are located at the upper and lower part of first connector, first connector and the first connecting portion
It is fixedly connected, the boss and coping plate electrical connection.First pole is divided into the first connector, the first pole part and convex
Platform can each serve as and be fixedly connected with connection sheet in first connecting portion, battery pack, coping plate, only pass through the first pole reality
Existing multi-faceted connection, thus its is compact-sized, space utilization rate is high.
As an embodiment, first connector has the first fixation hole, and the first connecting portion wears described first
Fixation hole is simultaneously fixedly connected with first connector.Preferably, first fixation hole is two, and two described first solid
Determine the opposite side that hole is located at the first pole part, the first connecting portion is two, and each first connecting portion is worn
If each first fixation hole is simultaneously fixedly connected with first connector.It can be increased by the structure of symmetrical two interconnecting pieces
The overcurrent of electric current, and symmetrical structure may make first electrode unit and coping plate installation more firm.
As an embodiment, it is equipped with insulating part on first between the first electrode unit and the coping plate, described the
On one insulating part include ontology, the upper protrusion that is extended upward in the edge of the ontology, the ontology connects described first
Part and coping plate electrical isolation, the ontology and the upper protrusion constitute the accommodating chamber for accommodating first connector, institute
Ontology is stated equipped with the first perforating and receiving hole, the first connecting portion wears first perforating and connect with described first
Part is fixedly connected, and the ontology extends downwardly out lower convexity along the edge of first perforating, and the lower convexity is by described
One interconnecting piece and coping plate electrical isolation, the boss are contained in the receiving hole and and coping plate electrical connection.First
Upper insulating part not only may make to be electrically insulated between first electrode unit and coping plate, while the setting of upper protrusion may make
Insulating part fixation is more firm on a connection piece and first, while conformability is high between each component, and cap structure may make more to step up
It gathers, is firm.
As an embodiment, second pole includes the second connector and the second pole part, the second pole part position
In the top of second connector, second connector is fixedly connected with the second connecting portion.Second pole is divided into
Second connector and the second pole part can be each served as and are fixedly connected with connection sheet in second connecting portion, battery pack, only pass through
Second pole and realize multi-faceted connection, thus its is compact-sized, and space utilization rate is high.
As an embodiment, second connector has the second fixation hole, and the second connecting portion wears described second
Fixation hole is simultaneously fixedly connected with second connector.Preferably, second fixation hole is two, and two described second solid
Determine the opposite side that hole is located at the second pole part, the second connecting portion is two, and each second connecting portion is worn
If each second fixation hole is simultaneously fixedly connected with second connector.It can be increased by the structure of symmetrical two interconnecting pieces
The overcurrent of electric current, and symmetrical structure may make second electrode unit and coping plate installation more firm.
As an embodiment, it is equipped with insulating part on second between the second electrode unit and the coping plate, described the
On two insulating part include ontology, the upper protrusion that is extended upward in the edge of the ontology, the ontology connects described second
Part and coping plate electrical isolation, the ontology and the upper protrusion constitute the accommodating chamber for accommodating second connector, institute
Ontology is stated equipped with the second perforating, the second connecting portion, which wears second perforating and fixes with second connector, to be connected
It connects, the ontology extends downwardly out lower convexity along the edge of second perforating, and the lower convexity is by the second connecting portion
It is electrically insulated with the coping plate.Insulating part not only may make on second is electrically insulated between second electrode unit and coping plate,
The setting of upper protrusion simultaneously may make that insulating part fixation is more firm on the second connector and second, while conformability between each component
Height may make that cap structure is more compact, firm.
The utility model additionally provides a kind of secondary cell, shell and above-mentioned secondary electricity including battery core, receiving battery core
Pond top cover.
The first electrode unit and second electrode member of the top cover of the utility model all include pole and interconnecting piece, and pole is located at
When the top of coping plate can be used for being assembled into battery pack and the fixation of battery pack connection sheet, interconnecting piece wear the pole on coping plate
It hole and is fixedly connected with pole, by the way that electrode unit is divided into two parts, thus mutually unaffected during installation and installation knot
Structure is firm；It is located at top and the electrical connection coping plate of coping plate by the first pole, passes through the direct of the first pole and coping plate
It is electrically connected rather than is connected by third member, can be to avoid the exceptional space of occupancy battery, thus preventing aluminum hull from corroding
While can also efficiently utilize space, and also avoid third member battery long-time service in loosen the problem of,
This cap structure can be preferably suitable for the stored energy power battery high for life requirements.
Detailed description of the invention
Fig. 1 is the perspective view of the secondary cell top cover of the utility model.
Fig. 2 is the cross-sectional view of the secondary cell top cover of the utility model.
Fig. 3 is the explosive view of the secondary cell top cover of the utility model.
Fig. 4 is the cross-sectional view of the first pole of the secondary cell top cover of the utility model.
Specific embodiment
Illustrate the secondary cell top cover and its secondary cell of the utility model with reference to the accompanying drawing.
Secondary cell includes secondary cell top cover 100, battery core and the shell for accommodating battery core, and infiltration battery core is marked in shell
Secondary cell electrolyte.Referring to Fig.1~3, secondary cell top cover 100 includes coping plate 3, and the be arranged on coping plate 3
One electrode unit 1, second electrode unit 2 and explosion-proof valve 8.Coping plate 3 be equipped with liquid injection hole 31, the first pole column hole 32a and 32b,
Explosion-proof valve fixation hole 33, the second pole column hole 34a and 34b, explosion-proof valve fixation hole 33 are equipped with explosion-proof valve 8, and the top of explosion-proof valve 8 is equipped with
Explosion-proof valve screening glass 7.
First electrode unit 1 is usually anode, and second electrode unit 2 is usually cathode.As shown in figures 1-4, first electrode
Unit 1 includes the first pole 11 and first connecting portion 12, and the first pole 11 is located at the top of coping plate 3 and electrical connection coping plate 3,
First connecting portion 12 wears the first pole column hole 32 and is fixedly connected with the first pole 11.First pole 11 includes the first connector
112, the first pole part 111 and boss 113, the first pole part 112 and boss 113 are located at the top of the first connector 112
And lower part, the first connector 112 are fixedly connected with first connecting portion 12, boss 113 and coping plate 3 are electrically connected.By the first pole
11 points be the first connector 112, the first pole part 111 and boss 113, can each serve as in first connecting portion 12, battery pack
Connection sheet, coping plate 3 are fixedly connected, and only realize multi-faceted connection by the first pole 11, thus its is compact-sized, empty
Between utilization rate it is high.First connector 112, the first pole part 111 and boss 113 constitute cross, the first connection short under length
Part 112, the first pole part 111 and boss 113 can be an integral structure also as split type structure, it is specific it is split type can are as follows: the
One pole part 111 and boss 113 are an integral structure, and the first connector 112 offers fixation hole, the first pole of integral structure
Column 111 and boss 113 wear and are fixed on fixation hole and only boss 113 extends downwardly fixation hole；Or 111 He of the first pole part
First connector 112 is an integral structure, and the two constitutes the T-shape to stand upside down, and boss 113 is arranged in parallel with the first pole part 111
And it is fixed on the lower part of the first connector 112, the mode that welding can be used in boss 113 is fixed.
Continue as shown in figures 1-4, the first connector 112 has the first fixation hole 1121, and first connecting portion 12 wears first
Fixation hole 1121 is simultaneously fixedly connected with the first connector 112.First fixation hole 1121 be preferably two, specially 1121a and
1121b, the first fixation hole 1121a and the first fixation hole 1121b are located at the opposite side of the first pole part 111, the first connection
Portion 12 is preferably two, specially 12a and 12b, first connecting portion 12a wear the first fixation hole 1121a and with the first connector
112 are fixedly connected, and first connecting portion 12b wears the first fixation hole 1121b and is fixedly connected with the first connector 112.By right
The structure of two interconnecting pieces 12 claimed can increase the overcurrent of electric current, and symmetrical structure may make first electrode unit 1 and coping plate 3
It is more firm to install, and first connecting portion 12a, 12b can be fixedly connected with the first connector 112 by riveting.
Continue as shown in figures 1-4, insulating part 4 on first to be equipped between first electrode unit 1 and coping plate 3, on first absolutely
Edge part 4 include ontology 41, extended upward in the edge of ontology 41 upper raised 42, ontology 41 by the first connector 112 and top
Cover plate 3 is electrically insulated, and ontology 41 and upper raised 42 constitutes the accommodating chamber for accommodating the first connector 112, and ontology 41 is equipped with first and wears
Apertured 44a, 44b and receiving hole 45, first connecting portion 12a wear the first perforating 44a and 1121a and with first connector
112 are fixedly connected, and first connecting portion 12b, which wears the first perforating 44b and 1121b and fixes with first connector 112, to be connected
It connects, ontology 41 extends downwardly out lower convexity 43 along the edge of the first perforating 44a and 44b, and lower convexity 43 is by first connecting portion
12a, 12b and coping plate 3 are electrically insulated, and boss 113 is contained in receiving hole 45 and is electrically connected with coping plate 3, boss 113 and coping plate
First pole 11 is to coping plate 3 when 3 electrical connections can be fixedly connected by first connecting portion 12a, 12b with the first connector 112
It squeezes and contacts boss 113 and coping plate 3 and generate electrical connection.On first insulating part 4 not only may make first electrode unit 1 with
It is electrically insulated between coping plate 3, while upper raised 42 setting may make that insulating part 4 is solid on the first connector 112 and first
It is fixed more firm, while conformability is high between each component, may make that cap structure is more compact, firm.
As shown in Figures 1 to 3, second electrode unit 2 includes the second pole 21 and second connecting portion 22, and the second pole 21 is located at
It the top of coping plate 3 and is electrically insulated with coping plate 3, second connecting portion 22 wears the second pole column hole 34 and fixed with the second pole 21
Connection.Second pole 21 includes the second connector 212 and the second pole part 211, and the second pole part 211 is located at the second connector
212 top, the second connector 212 are fixedly connected with second connecting portion 22.Second pole 21 is divided for 212 He of the second connector
The second pole part 211 can be each served as and is fixedly connected with connection sheet in second connecting portion 22, battery pack, only pass through the second pole
Column 21 and realize multi-faceted connection, thus its is compact-sized, and space utilization rate is high.Second connector 212 and the second pole part
211 constitute " T " font, and the second connector 212 and the second pole part 211 can be an integral structure also as split type structure, tool
Body is split type can are as follows: the second connector 212 offers fixation hole, the second pole part 211 wear and be fixed on fixation hole and only to
Upper stretching fixation hole；Or second pole part 211 top of the second connector 212 is fixed on by the way of welding.
Continue as shown in Figures 1 to 3, the second connector 212 has the second fixation hole 2121, and second connecting portion 22 wears second
Fixation hole 2121 is simultaneously fixedly connected with the second connector 212.Preferably, the second fixation hole 2121 is two, and specially second is solid
Determine hole 2121a and the second fixation hole 2121b, and the second fixation hole 2121a and the second fixation hole 2121b are located at the second pole
The opposite side of part 211, second connecting portion 22 are preferably two, specially second connecting portion 22a and second connecting portion 22b, and second
Interconnecting piece 22a wears the second fixation hole 2121a and is fixedly connected with the second connector 212, and it is solid that second connecting portion 22b wears second
Determine hole 2121b and is fixedly connected with the second connector 212.The mistake of electric current can be increased by the structure of symmetrical two interconnecting pieces 22
Stream, and symmetrical structure may make second electrode unit 2 and the installation of coping plate 3 more firm, second connecting portion 22a, 22b and second connect
Fitting 212 can be fixedly connected by riveting.
Continue as shown in Figures 1 to 3, insulating part 5 on second to be equipped between second electrode unit 2 and coping plate 3, on second absolutely
Edge part 5 include ontology 51, extended upward in the edge of ontology 51 upper raised 52, ontology 51 by the second connector 212 and top
Cover plate 3 is electrically insulated, and ontology 51 and upper raised 52 constitutes the accommodating chamber for accommodating the second connector 212, and ontology 51 is equipped with second and wears
Apertured 54a and 54b, second connecting portion 22a wear the second perforating 54a and are fixedly connected with the second connector 212, the second connection
Portion 22b wears the second perforating 54b and is fixedly connected with the second connector 212, and ontology 51 is along the second perforating 54a's and 54b
Edge extends downwardly out lower convexity 53, and second connecting portion 22a, 22b and coping plate 3 are electrically insulated by lower convexity 53.It insulate on second
Part 5 not only may make to be electrically insulated between second electrode unit 2 and coping plate 3, while upper raised 52 setting may make
The fixation of insulating part 5 is more firm on two connectors 212 and second, while conformability is high between each component, may make cap structure more
Step up to gather, is firm.
As shown in figures 1 and 3, the lower part of coping plate 3 is equipped with lower insulating part 6, and connection sheet 9a and 9b are respectively embedded into lower insulation
The both ends of part 6 are simultaneously fixedly connected with first connecting portion 12, second connecting portion 22, and connection sheet 9a and 9b are respectively equipped with two fixations
Hole, first connecting portion 12a and first connecting portion 12b wear two fixation holes of connection sheet 9a respectively and fix with connection sheet 9a,
Second connecting portion 22a and second connecting portion 22b wears two fixation holes of connection sheet 9b respectively and fixes with connection sheet 9b, connection
Piece 9a and 9b are further respectively fixedly connected with the anode and cathode of battery core.
It should be pointed out that the above specific embodiment is merely to illustrate the utility model rather than limits the utility model
Range, after having read the utility model, those skilled in the art are equal to the modification of the various equivalent forms of the utility model
Fall into the application range defined in the appended claims.
Claims (10)
1. a kind of secondary cell top cover, comprising: coping plate and the first electrode unit and second electrode for being set to the coping plate
Unit, the coping plate include the first pole column hole and the second pole column hole, which is characterized in that the first electrode unit includes first
Pole and first connecting portion, first pole are located at the top of the coping plate and are electrically connected the coping plate, and described first
Interconnecting piece wears first pole column hole and is fixedly connected with first pole, and the second electrode unit includes the second pole
And second connecting portion, second pole are located at the top of the coping plate and are electrically insulated with the coping plate, described second connects
Socket part wears second pole column hole and is fixedly connected with second pole.
2. secondary cell top cover according to claim 1, which is characterized in that first pole include the first connector,
First pole part and boss, the first pole part and the boss are located at the upper and lower part of first connector,
First connector is fixedly connected with the first connecting portion, the boss and coping plate electrical connection.
3. secondary cell top cover according to claim 2, which is characterized in that first connector has first to fix
Hole, the first connecting portion wear first fixation hole and are fixedly connected with first connector.
4. secondary cell top cover according to claim 3, which is characterized in that first fixation hole is two, and two
First fixation hole is located at the opposite side of the first pole part, and the first connecting portion is two, and each described the
One interconnecting piece wears each first fixation hole and is fixedly connected with first connector.
5. secondary cell top cover according to claim 2, which is characterized in that the first electrode unit and the coping plate
Between be equipped with insulating part on first, on described first insulating part include ontology, extend upward in the edge of the ontology it is upper
First connector and the coping plate are electrically insulated by protrusion, the ontology, and the ontology and the upper protrusion constitute appearance
Receive the accommodating chamber of first connector, the ontology is equipped with the first perforating and receiving hole, and the first connecting portion wears institute
It states the first perforating and is fixedly connected with first connector, the ontology is extended downwardly along the edge of first perforating
The first connecting portion and the coping plate are electrically insulated by lower convexity out, the lower convexity, and the boss is contained in the receiving
The electrical connection of coping plate described in Kong Binghe.
6. secondary cell top cover according to claim 1, which is characterized in that second pole include the second connector and
Second pole part, the second pole part are located at the top of second connector, and second connector and described second connect
Socket part is fixedly connected.
7. secondary cell top cover according to claim 6, which is characterized in that second connector has second to fix
Hole, the second connecting portion wear second fixation hole and are fixedly connected with second connector.
8. secondary cell top cover according to claim 7, which is characterized in that second fixation hole is two, and two
Second fixation hole is located at the opposite side of the second pole part, and the second connecting portion is two, and each described the
Two interconnecting pieces wear each second fixation hole and are fixedly connected with second connector.
9. secondary cell top cover according to claim 6, which is characterized in that the second electrode unit and the coping plate
Between be equipped with insulating part on second, on described second insulating part include ontology, extend upward in the edge of the ontology it is upper
Second connector and the coping plate are electrically insulated by protrusion, the ontology, and the ontology and the upper protrusion constitute appearance
Receive the accommodating chamber of second connector, the ontology is equipped with the second perforating, and the second connecting portion wears described second and wears
Apertured and be fixedly connected with second connector, the ontology along the edge of second perforating extend downwardly out under it is convex
It rises, the second connecting portion and the coping plate are electrically insulated by the lower convexity.
10. a kind of secondary cell, including battery core, the shell of receiving battery core and any secondary cell top of claim 1~9
Lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726597.1U CN208189649U (en) | 2018-05-15 | 2018-05-15 | Secondary cell top cover and its secondary cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726597.1U CN208189649U (en) | 2018-05-15 | 2018-05-15 | Secondary cell top cover and its secondary cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189649U true CN208189649U (en) | 2018-12-04 |
Family
ID=64430970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820726597.1U Active CN208189649U (en) | 2018-05-15 | 2018-05-15 | Secondary cell top cover and its secondary cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208189649U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176559A (en) * | 2019-05-24 | 2019-08-27 | 东莞百思利新能源科技有限公司 | Secondary cell top cover |
| CN110176560A (en) * | 2019-05-24 | 2019-08-27 | 东莞百思利新能源科技有限公司 | Secondary cell top cover |
| CN115764180A (en) * | 2022-12-22 | 2023-03-07 | 厦门海辰储能科技股份有限公司 | Energy storage device and electric equipment |
-
2018
- 2018-05-15 CN CN201820726597.1U patent/CN208189649U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176559A (en) * | 2019-05-24 | 2019-08-27 | 东莞百思利新能源科技有限公司 | Secondary cell top cover |
| CN110176560A (en) * | 2019-05-24 | 2019-08-27 | 东莞百思利新能源科技有限公司 | Secondary cell top cover |
| CN115764180A (en) * | 2022-12-22 | 2023-03-07 | 厦门海辰储能科技股份有限公司 | Energy storage device and electric equipment |
| CN115764180B (en) * | 2022-12-22 | 2024-03-08 | 厦门海辰储能科技股份有限公司 | Energy storage device and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Bestley New Energy Technology Co., Ltd. Assignor: Dongguan Amperex Technology Limited Contract record no.: 2019440020019 Denomination of utility model: Secondary battery top cover and secondary battery Granted publication date: 20181204 License type: Common License Record date: 20190415 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190930 Address after: 335500 Fengshou Industrial Park, Wannian high tech Industrial Zone, Shangrao City, Jiangxi Province Patentee after: Jiangxi Bestley New Energy Technology Co., Ltd. Address before: 523809 Guan Lian Road, Lian Ping Village, Daling Shan town, Dongguan, Guangdong Patentee before: Dongguan Amperex Technology Limited |
|
| TR01 | Transfer of patent right |