CN109546018A - Battery cap and the power battery for using the battery cap - Google Patents
Battery cap and the power battery for using the battery cap Download PDFInfo
- Publication number
- CN109546018A CN109546018A CN201811428075.4A CN201811428075A CN109546018A CN 109546018 A CN109546018 A CN 109546018A CN 201811428075 A CN201811428075 A CN 201811428075A CN 109546018 A CN109546018 A CN 109546018A
- Authority
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- China
- Prior art keywords
- insulating part
- conductive module
- moulding
- lower insulating
- battery
- Prior art date
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- Granted
Links
- 230000010485 coping Effects 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims description 58
- 239000011159 matrix material Substances 0.000 claims description 23
- 238000004880 explosion Methods 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical group [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 8
- 229920000069 polyphenylene sulfide Polymers 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- -1 Copper-Aluminum compound Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Present invention discloses a kind of battery cap and use the power battery of the battery cap, wherein battery cap includes coping plate, first conductive module, second conductive module, explosion-proof valve, upper insulating part and lower insulating part, coping plate is equipped with liquid injection hole, explosion-proof valve is arranged on coping plate, left and right ends are equipped with mounting hole on coping plate, upper insulating part is arranged in mounting hole, first conductive module, second conductive module is respectively arranged in mounting hole, first conductive module is electrically connected with coping plate, second conductive module is electrically insulated with coping plate, first seal is equipped between first conductive module and coping plate, second seal is equipped between second conductive module and coping plate, lower insulating part is detachably secured on the first conductive module and the second conductive module.The present invention reduces outside batteries height, cell height space utilization rate in Lifting Modules group.
Description
Technical field
The present invention relates to power battery technology field, especially relates to a kind of battery cap and use the battery cap
Power battery.
Background technique
With becoming increasingly conspicuous for environmental problem, low-carbon economy has become the mainstream of economic development.And it is increasingly serious
Air situation also further promote the rise of new-energy automobile.Hybrid vehicle and pure electric automobile are as new energy vapour
The representative of vehicle has also gradually obtained vast production firm and the approval of consumer.Power battery is as the main of new-energy automobile
Power source, it has also become one of critical component of electric car.
As the critical component of electric car, power battery all has vehicle dynamic property, economy, safety great
It influences.Face is gradually standardized with power battery market, and power battery module specification is gradually unified, forms the mark of several specifications
Quasi-mode group, and space utilization rate of the current driving force battery in mould group be not high, the capacity of entire mould group and volume energy density by
To larger impact.
Summary of the invention
The main object of the present invention is to provide a kind of battery cap and the power battery using the battery cap, reduces battery
External height, cell height space utilization rate in Lifting Modules group.
The present invention proposes a kind of battery cap, including coping plate, the first conductive module, the second conductive module, explosion-proof valve, on
Insulating part and lower insulating part, coping plate are equipped with liquid injection hole, and explosion-proof valve is arranged on coping plate, and left and right ends are equipped on coping plate
Mounting hole, upper insulating part is arranged in mounting hole, and the first conductive module, the second conductive module are respectively arranged in mounting hole, the
One conductive module is electrically connected with coping plate, and the second conductive module is electrically insulated with coping plate, between the first conductive module and coping plate
Equipped with first seal, second seal is equipped between the second conductive module and coping plate, lower insulating part is detachably secured to the
On one conductive module and the second conductive module.
Further, the first conductive module includes the first conductive matrix, the first welded plate and the first moulding, and first is conductive
Matrix is arranged in the first moulding and by being electrically connected with the first moulding with coping plate, and the first welded plate is arranged and is fixed on
On the outside of first moulding, the first welded plate is fixed on coping plate on one side, and it is recessed that another side with the first moulding cooperatively forms first
Slot, the second conductive module include the second conducting base, the second welded plate and the second moulding, and the second conducting base is arranged second
It being electrically insulated in moulding and by the second moulding with coping plate, the second welded plate is arranged and is fixed on the outside of the second moulding,
Second welded plate is fixed on coping plate on one side, and another side and the second moulding cooperatively form the second groove, and lower insulating part is removable
It unloads and is fixed on the first groove and the second groove.
Further, the first welded plate and the second welded plate are annulus shape.
Further, the first conductive matrix is aluminium sheet, and the second conductive matrix is copper-aluminum composite board.
Further, the copper layer thickness of copper-aluminum composite board is 0.3~2.0mm, and aluminum layer thickness is 0.5~20.0mm.
Further, the material of the first moulding is conduction PPS, and the material of the second moulding is insulation PPS.
Further, the resistance value of the first moulding is 0~10000mohm.
Further, explosion-proof valve lower position is corresponded on lower insulating part equipped with several through-holes, lower insulating part includes under first
It is equipped with third groove and the 4th groove on insulating part and the second lower insulating part, the first lower insulating part and the second lower insulating part, the
Three grooves are matched with the first conductive module, and the 4th groove is matched with the second conductive module, and the first lower insulating part is equipped with card
Button, the second lower insulating part are equipped with the card hole of corresponding buckle, are connected and fixed by the first lower insulating part and the second lower insulating part, under
Insulating part is fixed on the first conductive module and the second conductive module.
Further, explosion-proof valve includes explosion rupture disk and protective film, and coping plate is equipped with explosionproof hole, and explosion rupture disk is arranged explosion-proof
In hole, protective film is arranged in explosion rupture disk and is arranged between coping plate and lower insulating part.
A kind of power battery including battery case, is contained in the intracorporal naked battery core of battery case and electrolyte and above-mentioned
Battery cap, battery cap are sealingly mounted on battery case.
Battery cap of the present invention and inside battery is not being influenced using the having the beneficial effect that for power battery of the battery cap
Under the premise of space, the prominent height with outside batteries height of original pole is eliminated, allows to increase battery core body height, mentions
Rising mould group space utilization rate further promotes cell capacity, while simplifying cap structure, reduces costs, and optimization is conductive
Modular structure promotes conductive module intensity, reduces materiel machining cost, lower insulating part uses button clamping structure, exhausted under enhancing
Edge part structural strength, assembly is simple, and manufacturability is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of battery cap of the present invention；
Fig. 2 is the explosive view of battery cap of the present invention；
Fig. 3 is the sectional view of battery cap of the present invention；
Fig. 4 is the partial enlarged view of A in the sectional view of battery cap of the present invention；
Fig. 5 is the explosive view of the first conductive module in battery cap of the present invention；
Fig. 6 is the sectional view of the first conductive module in battery cap of the present invention；
Fig. 7 is the structural schematic diagram of lower insulating part in battery cap of the present invention；
Fig. 8 is the structural schematic diagram of power battery of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to,
It can be and be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
Referring to Figure 1 to Figure 7, referring to figs. 1 to Fig. 6, a kind of battery cap, including coping plate 1, the first conductive module 2, second
Conductive module 3, explosion-proof valve 4, upper insulating part 6 and lower insulating part 7, coping plate 1 are equipped with liquid injection hole 5, and explosion-proof valve 4 is arranged in top cover
On piece 1, left and right ends are equipped with mounting hole on coping plate 1, and upper insulating part 6 is arranged in mounting hole, the first conductive module 2, second
Conductive module 3 is respectively arranged in mounting hole, and the first conductive module 2 is electrically connected with coping plate 1, the second conductive module 3 and top cover
Piece 1 is electrically insulated, and is equipped with first seal 8 between the first conductive module 2 and coping plate 1, the second conductive module 3 and coping plate 1 it
Between be equipped with second seal 9, lower insulating part 7 is detachably secured on the first conductive module 2 and the second conductive module 3.Pass through
One sealing element 8 and second seal 9, the first conductive module 2 and the second conductive module 3 are sealingly mounted in mounting hole, and are in
The lower section of coping plate 1, under the premise of not influencing the inside battery useful space, 1 upper surface of coping plate and its above section are electrodeless
The conductive units such as column, riveting block, are provided only with the upper insulating part 6 of insulating effect, eliminate the prominent outside with battery cap of pole
Highly, while by built in conductive module and inside coping plate 1, in the case where keeping original power battery height because reducing coping plate 1
The projecting heights such as upper pole can increase accordingly battery core body height, promote battery modules height space utilization rate, further mention
Cell capacity is risen, while simplifying structure, reduces battery cap number of fitting parts, reduces manufacturing procedure, reduces cost, while the
One conductive module 2 is electrically connected with coping plate 1 so that battery case is positively charged, prevents power battery from analysing lithium corrosion cell shell, separately
The structure type of outside upper insulating part 6 can be circle, or the irregular shapes such as rectangular, star-like, herein without limitation.
In the present embodiment, the first conductive module 2 includes the first conductive matrix 21, the first welded plate 23 and the first moulding
22, the first conductive matrix 21 is arranged in the first moulding 22 and by being electrically connected with the first moulding 22 with coping plate 1, and first
Welded plate 23 is arranged and is fixed on the outside of the first moulding 22, and the first welded plate 23 is fixed on one side on coping plate 1, another side with
First moulding 22 cooperatively forms the first groove 24, and the second conductive module 3 includes the second conducting base, the second welded plate 33 and the
Two mouldings 32, the second conducting base are arranged in the second moulding 32 and are electrically insulated by the second moulding 32 with coping plate 1,
Second welded plate 33 is arranged and is fixed on 32 outside of the second moulding, and the second welded plate 33 is fixed on one side on coping plate 1, another
Face and the second moulding 32 cooperatively form the second groove 34, and lower insulating part 7 is detachably secured to the first groove 24 and the second groove
On 34.First conductive matrix 21 is electrically connected with coping plate 1, so that battery moulding is positively charged, prevents power battery analysis lithium corrosion
Several protrusions can be set on the excircle of the first conductive matrix 21 in battery moulding, are equipped in the first moulding 22 and protrusion
The groove matched is cooperated by protrusion and groove, and the first conductive matrix 21 is fixed in the first moulding 22, another real
It applies in example, is also possible to the first conductive 21 lateral wall of matrix and is equipped with several grooves, it is corresponding, it is equipped in the first moulding 22 pair
The protrusion answered, by groove and male cooperation, the first conductive matrix 21 is fixed in the first moulding 22.First welded plate 23 with
The fixed form of first moulding 22 can be according to the fixed form of the first conductive matrix 21 and the first moulding 22, it can is
First welded plate 23 is equipped with several grooves, and 22 lateral wall of the first moulding is equipped with corresponding protrusion or the first welded plate
23 are equipped with several protrusions, and 22 lateral wall of the first moulding is equipped with corresponding groove, are cooperated by protrusion and groove, the first weldering
Fishplate bar 23 is arranged and is fixed on 22 lateral wall of the first moulding, while the first welded plate 23 is carried out by welding and coping plate 1
Fixed, the first moulding 22 uses injection molding, the first conductive matrix 21 and the first welded plate 23 nested first when injection molding
Moulding 22, it is ensured that the intensity of the first conductive module 2 reduces materiel machining cost.Second conductive matrix in second conductive module 3
31, the second moulding 32 and the fixed form of the second welded plate 33 and generation type are identical as the first conductive module 2, do not exist herein
It repeats, the shape of the first welded plate 23 and the second welded plate 33 can be the irregular shapes such as round, rectangular, star-like, and material can
Think metal.In this embodiment, it is preferred that the first welded plate 23 and the second welded plate 33 are annulus shape, annulus shape
It is welded to relative to other shapes more convenient quick on coping plate 1.
In the present embodiment, the first conductive matrix 21 is aluminium sheet, and the second conductive matrix 31 is copper-aluminum composite board (Copper-Aluminum compound
Plate is copper sheet and aluminium sheet plate, i.e., coated with the plank of aluminium sheet on copper sheet, passes through cold rolling, hot rolling, explosion composite method, explosion rolling etc.
Mode welds together, the new material that cannot be separated).Further, in the present embodiment, the copper layer thickness of copper-aluminum composite board
For 0.3~2.0mm, aluminum layer thickness is 0.5~20.0mm, it is preferable that copper-aluminum composite board copper layer thickness is 0.6~1.5mm, aluminium layer
With a thickness of 1.0~5.0mm.
In the present embodiment, the material of the first moulding 22 is conduction PPS, and the material of the second moulding 32 is insulation PPS,
PPS (polyphenylene sulfide) is insulation in itself, by insulating materials the second conductive matrix 31 is electrically insulated with coping plate 1, in PPS
The metallic elements such as addition iron can be modified, and form conduction PPS, so that the first conductive matrix 21 is electrically connected with coping plate 1.
In the present embodiment, the resistance value of the first moulding 22 is 0~10000mohm, it is preferable that the first moulding 22
Resistance value is 500~2000mohm, and the first conductive matrix 21 is electrically connected by the first moulding 22 with coping plate 1, the first injection molding
Resistance value between the conductive matrix 21 of the resistance value of part 22 i.e. first and coping plate 1, due to power battery charge and discharge during,
Electric current can cause to corrode to battery moulding and coping plate 1, use resistance value for the big resistance of 500~2000mohm, in power
The electric current that circuit can be reduced when battery charging and discharging prevents electric current from corroding to moulding and coping plate 1, while big resistance can be protected
It demonstrate,proves under the situation that short circuit occurs with battery moulding for the second conductive module 3, short circuit current can control in a lesser range, no
As for causing safety accident.
In the present embodiment, 4 lower position of explosion-proof valve is corresponded on lower insulating part 7 equipped with several through-holes, lower insulating part 7 includes
First lower insulating part 71 and the second lower insulating part 72 are equipped with third groove on first lower insulating part 71 and the second lower insulating part 72
With the 4th groove, third groove is matched with the first conductive module 2, and the 4th groove is matched with the second conductive module 3, under first
Insulating part 71 is equipped with buckle, and the second lower insulating part 72 is equipped with the card hole of corresponding buckle, passes through the first lower insulating part 71 and the
Two lower insulating parts 72 connect and fix, and lower insulating part 7 is fixed on the first conductive module 2 and the second conductive module 3, in lower insulating part
It is that the pressure that power battery interior generates can be transmitted to explosion-proof valve that 4 lower position of explosion-proof valve is corresponded on 7 equipped with several through-holes
4, security risk is reduced, while can enter inside battery case by through-hole when liquid injection hole 5 injects electrolyte, under
Insulating part 7 uses button clamping structure, is connected and fixed by the first lower insulating part 71 and the second lower insulating part 72, in third groove
Side wall snaps fit on the first conductive module 2, and the 4th groove inner sidewall snaps fit on the second conductive module 3, so that lower insulation
Part 7 is fixed on the first conductive module 2 and the second conductive module 3, is enhanced lower 7 structural strength of insulating part, is assembled battery cap
When it is simpler, facilitate manufacture.
In the present embodiment, explosion-proof valve 4 includes explosion rupture disk 41 and protective film 42, and coping plate 1 is equipped with explosionproof hole, explosion rupture disk
41 are arranged in explosionproof hole, and protective film 42 is arranged in explosion rupture disk 41 and is arranged between coping plate 1 and lower insulating part 7, when dynamic
After power inner pressure of battery increases, the electrolyte of enterprise planning can break through explosion rupture disk 41, timely and effectively obtain the heat of power battery interior
To release, avoiding battery, there is a situation where explode due to pressure is excessive.
Referring to Fig. 8, a kind of power battery, including battery case 10, be contained in the intracorporal naked battery core of battery case and electrolyte,
And above-mentioned battery cap 11, battery cap 11 are sealingly mounted on battery case 10.Compared to existing power battery, originally
The battery cap 11 of invention assembles components and reduces, and simplifies structure, reduces manufacturing procedure, reduces cost, do not influencing in battery
Under the premise of portion's useful space, 11 upper surface of battery cap and its above section are only arranged without conductive units such as pole, riveting blocks
There is the upper insulating part 6 of insulating effect, eliminates the prominent external height with battery cap 11 of pole, while conductive module being built in
Inside battery cap 11, in the case where keeping original power battery height because reducing the projecting heights such as pole, Ke Yixiang on coping plate 1
10 height of battery case should be increased, promote battery modules height space utilization rate, further promote single power battery capacity, it is excellent
Change conductive module structure, promote conductive module intensity, materiel machining cost is reduced, to further decrease the production of power battery
Cost.
Battery cap of the present invention and inside battery is not being influenced using the having the beneficial effect that for power battery of the battery cap
Under the premise of space, the prominent height with outside batteries height of original pole is eliminated, allows to increase battery core body height, mentions
Rising mould group space utilization rate further promotes cell capacity, while simplifying cap structure, reduces costs, and optimization is conductive
Modular structure promotes conductive module intensity, reduces materiel machining cost, lower insulating part uses button clamping structure, exhausted under enhancing
Edge part structural strength, assembly is simple, and manufacturability is strong.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of battery cap, which is characterized in that including coping plate, the first conductive module, the second conductive module, explosion-proof valve, on
Insulating part and lower insulating part, the coping plate are equipped with liquid injection hole, and the explosion-proof valve is arranged on the coping plate, the top cover
On piece left and right ends are equipped with mounting hole, the upper insulating part setting in the mounting hole, first conductive module, described the
Two conductive modules are respectively arranged in the mounting hole, and first conductive module is electrically connected with the coping plate, and described second
Conductive module is electrically insulated with the coping plate, and first seal, institute are equipped between first conductive module and the coping plate
It states and is equipped with second seal between the second conductive module and the coping plate, the lower insulating part is detachably secured to described first
On conductive module and second conductive module.
2. battery cap according to claim 1, which is characterized in that first conductive module includes the first conductive base
Block, the first welded plate and the first moulding, the first conductive matrix be arranged in first moulding and by with it is described
First moulding is electrically connected with the coping plate, and first welded plate is arranged and is fixed on the outside of first moulding, institute
It states the first welded plate to be fixed on one side on the coping plate, another side and first moulding cooperatively form the first groove, institute
Stating the second conductive module includes the second conducting base, the second welded plate and the second moulding, and the second conducting base setting exists
It is electrically insulated in second moulding and by second moulding with the coping plate, second welded plate is arranged and consolidates
It is scheduled on the outside of second moulding, second welded plate is fixed on one side on the coping plate, another side and described second
Moulding cooperatively forms the second groove, and the lower insulating part is detachably secured on first groove and the second groove.
3. battery cap according to claim 2, which is characterized in that first welded plate and second welded plate are equal
For annulus shape.
4. battery cap according to claim 2, which is characterized in that the first conductive matrix is aluminium sheet, described second
Conductive matrix is copper-aluminum composite board.
5. battery cap according to claim 4, which is characterized in that the copper layer thickness of the copper-aluminum composite board be 0.3~
2.0mm, aluminum layer thickness are 0.5~20.0mm.
6. battery cap according to claim 2, which is characterized in that the material of first moulding is conduction PPS, institute
The material of the second moulding is stated as insulation PPS.
7. battery cap according to claim 2, which is characterized in that the resistance value of first moulding be 0~
10000mohm。
8. battery cap according to claim 1, which is characterized in that corresponded on the lower insulating part below the explosion-proof valve
Position is equipped with several through-holes, and the lower insulating part includes the first lower insulating part and the second lower insulating part, the described first lower insulating part
Third groove and the 4th groove, the third groove and the first conductive module phase are equipped with on the described second lower insulating part
Cooperation, the 4th groove are matched with second conductive module, and the described first lower insulating part, which is equipped with, to be buckled, and described second
Lower insulating part is equipped with the card hole of the corresponding buckle, solid by the described first lower insulating part and the described second lower insulating part clamping
Fixed, the lower insulating part is fixed on the first conductive module and the second conductive module.
9. battery cap according to claim 1, which is characterized in that the explosion-proof valve includes explosion rupture disk and protective film, institute
Coping plate is stated equipped with explosionproof hole, the explosion rupture disk is arranged in the explosionproof hole, and the protective film is arranged in the explosion rupture disk
Upper and setting is between the coping plate and the lower insulating part.
10. a kind of power battery, which is characterized in that including battery case, be contained in the intracorporal naked battery core of the battery case and electricity
Solution liquid and the described in any item battery caps of claim 1-9, the battery cap are sealingly mounted at the battery case
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811428075.4A CN109546018B (en) | 2018-11-27 | 2018-11-27 | Battery top cover and power battery using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811428075.4A CN109546018B (en) | 2018-11-27 | 2018-11-27 | Battery top cover and power battery using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546018A true CN109546018A (en) | 2019-03-29 |
| CN109546018B CN109546018B (en) | 2021-09-17 |
Family
ID=65851662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811428075.4A Active CN109546018B (en) | 2018-11-27 | 2018-11-27 | Battery top cover and power battery using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546018B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980173A (en) * | 2019-04-15 | 2019-07-05 | 欣旺达电子股份有限公司 | A kind of space-efficient power battery top cover and power battery |
| CN110048037A (en) * | 2019-04-15 | 2019-07-23 | 欣旺达电子股份有限公司 | A kind of no pole power battery top cover and power battery |
| CN112133879A (en) * | 2020-11-02 | 2020-12-25 | 深圳市嘉姆特科技有限公司 | Battery injection molding terminal with novel structure |
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| CN114284607A (en) * | 2021-12-17 | 2022-04-05 | 厦门海辰新能源科技有限公司 | Top cap subassembly, battery and energy memory |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| CN116014317A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| CN116780132A (en) * | 2023-08-16 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980173A (en) * | 2019-04-15 | 2019-07-05 | 欣旺达电子股份有限公司 | A kind of space-efficient power battery top cover and power battery |
| CN110048037A (en) * | 2019-04-15 | 2019-07-23 | 欣旺达电子股份有限公司 | A kind of no pole power battery top cover and power battery |
| CN109980173B (en) * | 2019-04-15 | 2022-04-15 | 欣旺达电子股份有限公司 | High space utilization power battery top cap and power battery |
| WO2021155560A1 (en) * | 2020-02-07 | 2021-08-12 | 宁德新能源科技有限公司 | Battery and powered apparatus provided with battery |
| CN113557630A (en) * | 2020-02-07 | 2021-10-26 | 宁德新能源科技有限公司 | Battery and electric device with same |
| US11901590B2 (en) | 2020-02-07 | 2024-02-13 | Ningde Amperex Technology Ltd. | Battery and power consuming device having the same |
| CN112133879A (en) * | 2020-11-02 | 2020-12-25 | 深圳市嘉姆特科技有限公司 | Battery injection molding terminal with novel structure |
| CN114284607A (en) * | 2021-12-17 | 2022-04-05 | 厦门海辰新能源科技有限公司 | Top cap subassembly, battery and energy memory |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| CN114361664B (en) * | 2021-12-22 | 2024-03-15 | 江苏海基新能源股份有限公司 | Square hard shell lithium ion battery cover plate, battery and assembly method |
| CN116014317A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| CN116780132A (en) * | 2023-08-16 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| CN116780132B (en) * | 2023-08-16 | 2023-10-17 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
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Effective date of registration: 20230614 Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. Address before: 518000, 1st floor, 2nd floor, A-B area, 2nd floor, D area-9th floor, Yihe Road, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRONICS Co.,Ltd. |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |