CN110212147A - Tab formula cap structure - Google Patents
Tab formula cap structure Download PDFInfo
- Publication number
- CN110212147A CN110212147A CN201910465702.XA CN201910465702A CN110212147A CN 110212147 A CN110212147 A CN 110212147A CN 201910465702 A CN201910465702 A CN 201910465702A CN 110212147 A CN110212147 A CN 110212147A
- Authority
- CN
- China
- Prior art keywords
- tab
- inner end
- battery
- cap structure
- coping plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000407 epitaxy Methods 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 33
- 230000010485 coping Effects 0.000 claims abstract description 32
- 239000000565 sealant Substances 0.000 claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 210000005069 ears Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000000084 colloidal system Substances 0.000 description 4
- 230000005404 monopole Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 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
- H01M50/183—Sealing members
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/103—Fuse
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention relates to the technical fields of cap structure, disclose tab formula cap structure, and including covering the coping plate of inside battery and through the tab part of coping plate, tab part includes middle part, extends the epitaxy part outside battery and be placed in the inner end of inside battery；The both ends of middle part are separately connected and are connected to epitaxy part and inner end；Pedestal and coping plate have injecting glue gap, and injecting glue gap is molded encapsulated formation sealant, and coping plate and tab part are in fixed and arranged with sealant respectively, and sealant closes injecting glue gap.Run through coping plate by tab part, outer member is connected to epitaxy part, and epitaxy part and middle part, inner end cooperate, realize that outer member is connected with the inside of battery, realize the charge and discharge of battery；Meanwhile under the action of sealant, guarantee the sealing of inside battery, effectively avoid battery leakage, enhance battery using safe；Using tab part, the welding sequence of battery assembly is reduced, reduces manufacturing cost, and assemble convenient for battery.
Description
Technical field
The invention patent relates to the technical fields of cap structure, in particular to tab formula cap structure.
Background technique
Tab is exactly the metallic conductor for extracting positive and negative anodes from battery core, and popular says, is when carrying out charge and discharge
Contact point；Battery cap is the important component of battery, battery cap have the effects that sealing, it is explosion-proof, prevent leakage.
Currently, pole is arranged on battery cap, tab is connected to battery core, and by tab welding pole, pole and tab are in company
Logical arrangement, realizes the charge and discharge of battery.
In the prior art, using pole, and since battery component is more, assembly process is more, many and diverse, leads to battery
Higher cost, and cause battery assembly inconvenient.
Summary of the invention
The purpose of the present invention is to provide tab formula cap structures, it is intended to it solves in the prior art, battery assembly inconvenience
Problem.
The invention is realized in this way tab formula cap structure, including covering the coping plate of inside battery and running through institute
The tab part of coping plate is stated, the tab part includes middle part, extends the epitaxy part outside battery and be placed in inside battery
Inner end；The both ends of the middle part are separately connected and are connected to the epitaxy part and the inner end；The pedestal and the top
Cover plate has an injecting glue gap, and the injecting glue gap is molded encapsulated formation sealant, the coping plate and the tab part respectively with
The sealant is in fixed and arranged, and the sealant closes the injecting glue gap.
Further, the middle part and the coping plate be in parallel arrangement, one end of middle part bent upward
At first connecting portion, the arc-shaped arrangement of first connecting portion, the lower end of the epitaxy part connects the first connecting portion, described
The upper end of epitaxy part is disposed to extend upward；The other end of the middle part is bent to form second connecting portion, the inner end downward
Upper end connect the second connecting portion, the lower end of the inner end is disposed to extend downward.
Further, the sealant includes at least one first reinforced column and at least one second reinforced column；It is described
First connecting portion forms at least one first tab hole, and when being molded encapsulated, injecting glue is detained first tab hole and forms first
Reinforced column；The middle part forms at least one second tab hole, and when being molded encapsulated, injecting glue is detained second tab hole shape
At the second reinforced column.
Further, the epitaxy part and the perpendicular arrangement of the coping plate, the inner end and the coping plate are in vertical
Straight arrangement, the epitaxy part are away from each other direction with the inner end edge and are disposed to extend.
Further, the middle tab part is equipped with fusing item, and the fusing item is placed in the inner end and the middle part
Between；When the temperature that is in of fusing item is higher than setting fusing value, the fusing item fusing, the inner end with it is described in
Between portion be in off state.
Further, the tab part includes anode ear and negative electrode lug, and the anode ear and the negative electrode lug distinguish shape
At the middle part, the epitaxy part and the inner end；Inside battery is equipped with battery core, and the battery core has positive and negative
Pole, the inner end of the anode ear are in be connected to arrangement, the inner end of the negative electrode lug and the battery core with the anode of the battery core
Cathode in connection arrangement.
Further, the tab part includes two anode ears and two negative electrode lugs, two anodes
The inner end of ear respectively with the anode of the battery core in being connected to arrangement, the inner end of two negative electrode lugs respectively with the battery core
Cathode in connection arrangement；The epitaxy part of two anode ears collects to form positive interconnecting piece, two negative electrode lugs it is outer
Collect to form cathode interconnecting piece in the portion of prolonging.
Further, the tab part is formed with multiple microetch holes, and when being molded encapsulated, injecting glue covers the microetch hole.
Further, the tab part is compounded to form using aluminium with copper；The epitaxy part is aluminium material, and the inner end is
Copper material.
Further, the coping plate includes upper cover and lower cover, and the upper cover and the lower cover are arranged in snapping；It is described
Upper cover forms impenetrating mouth and multiple hole for injecting glue, and the lower cover forms lower impenetrating mouth, the upper impenetrating mouth with it is described under run through
Mouth is arranged in upper and lower face；The tab part extends through the upper impenetrating mouth and the lower impenetrating mouth.
Compared with prior art, tab formula cap structure provided by the invention runs through coping plate, external member by tab part
Part is connected to epitaxy part, and epitaxy part and middle part, inner end cooperate, realize that outer member is connected with the inside of battery, realize battery
Charge and discharge；Meanwhile under the action of sealant, guarantees the sealing of inside battery, effectively avoid battery leakage, enhance battery
Using safe；Using tab part, the welding sequence of battery assembly is reduced, reduces manufacturing cost, and assemble convenient for battery.
Detailed description of the invention
Fig. 1 is the exploded perspective schematic diagram of tab formula cap structure Double-pole lug formula provided by the invention；
Fig. 2 is the stereoscopic schematic diagram of tab formula cap structure Double-pole lug formula provided by the invention；
Fig. 3 is the stereoscopic schematic diagram of tab formula cap structure Double-pole lug formula provided by the invention；
Fig. 4 is the stereoscopic schematic diagram of the tab part of tab formula cap structure Double-pole lug formula provided by the invention；
Fig. 5 is the schematic top plan view of the upper cover of tab formula cap structure provided by the invention；
Fig. 6 is the exploded perspective schematic diagram of tab formula cap structure monopole ear formula provided by the invention；
Fig. 7 is the stereoscopic schematic diagram of tab formula cap structure monopole ear formula provided by the invention；
Fig. 8 is the stereoscopic schematic diagram of the tab part of tab formula cap structure monopole ear formula provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In description of the invention
In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore describe the use of positional relationship in attached drawing
Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term is understood as the case may be.
It is preferred embodiment provided by the invention referring to Fig.1 shown in -8.
Tab formula cap structure provided by the invention, for solving the problems, such as that battery assembly is inconvenient.
Tab formula cap structure, including coping plate 10 and tab part 20, coping plate 10 cover inside battery, tab part 20
Through coping plate 10, tab part 20 includes middle part 25, extends the epitaxy part 23 outside battery and be placed in the interior of inside battery
End 24；The both ends of middle part 25 are separately connected and are connected to epitaxy part 23 and inner end 24；Pedestal and coping plate 10 have injecting glue
Gap, injecting glue gap are molded encapsulated formation sealant 30, and coping plate 10 and tab part 20 are in respectively fixed and arranged with sealant 30,
Sealant 30 closes injecting glue gap.
Above-mentioned tab formula cap structure runs through coping plate 10 by tab part 20, and outer member is connected to epitaxy part 23, outside
Prolong portion 23 and middle part 25, inner end 24 cooperate, realizes that outer member is connected with the inside of battery, realize the charge and discharge of battery；
Meanwhile under the action of sealant 30, guarantee the sealing of inside battery, effectively avoid battery leakage, enhances the use peace of battery
Entirely；Using tab part 20, the welding sequence of battery assembly is reduced, reduces manufacturing cost, and assemble convenient for battery.
In the present embodiment, in parallel arrangement, one end of middle part 25 is bent to form the upward for middle part 25 and coping plate 10
One interconnecting piece 26, the arc-shaped arrangement of first connecting portion 26, the lower end of epitaxy part 23 connect first connecting portion 26, epitaxy part 23 it is upper
End is disposed to extend upward；The other end of middle part 25 is bent to form second connecting portion 28 downward, the upper end connection of inner end 24 the
Two interconnecting pieces 28, the lower end of inner end 24 are disposed to extend downward；Under the action of first connecting portion 26 and second connecting portion 28, increase
The stable connection of strong epitaxy part 23, middle part 25 and inner end 24.
Along 24 direction of inner end is deviated from, first connecting portion 26 arches upward arc-shaped arrangement outwardly, enhancing first connecting portion 26
Endurance improves the service life of tab part 20.
Along 23 direction of epitaxy part is deviated from, second connecting portion 28 arches upward arc-shaped arrangement outwardly, enhancing second connecting portion 28
Endurance improves the service life of tab part 20.
Sealant 30 includes at least one first reinforced column and at least one second reinforced column；The formation of first connecting portion 26
At least one first tab hole 27, when being molded encapsulated, injecting glue is detained the first tab hole 27 and forms the first reinforced column；Middle part 25
At least one second tab hole 29 is formed, when being molded encapsulated, injecting glue is detained the second tab hole 29 and forms the second reinforced column.
Under the action of each first reinforced column, enhance the stable connection of tab part 20 and sealant 30, to enhance
The relative securement of tab part 20 and coping plate 10.
Along direction from top to bottom, the inclined arrangement in the first tab hole 27, when being convenient for injecting glue, colloid flows downward, meanwhile, make
The inclined arrangement of first reinforced column, realization is multi-direction to be reinforced, and improves tab and stability is arranged.
Epitaxy part 23 and the perpendicular arrangement of coping plate 10, inner end 24 and the perpendicular arrangement of coping plate 10, epitaxy part 23 with
Inner end 24 is disposed to extend along direction is away from each other；In this way, connecting convenient for epitaxy part 23 with outer member, realize that battery carries out
Charge and discharge；And epitaxy part 23 has bigger contact area, is connected to convenient for epitaxy part 23 with outer member.
Specifically, middle tab part 20 is equipped with fusing item, fusing item is placed between inner end 24 and middle part 25；When fusing item
When the temperature being in is higher than setting fusing value, fusing item fusing, inner end 24 and middle part 25 are in off state；To play guarantor
Shield effect reduces battery use and accident occurs, and raising battery uses safe.
Fusing item is made of aluminium material, and melting range is about 660 degree, when being greater than 660 degree, fusing item fusing, to battery
Play the role of short-circuit protection.
Second connecting portion 26 includes multiple connection straps, and fusing item is arranged on connection strap, and the fusing on each connection strap
Item is in arranged in series；In this way, each fusing item synchronizes open circuit when being greater than 660 degree, guarantee that short-circuit protection is played to battery to be made
With.
Tab part 20 includes anode ear 21 and negative electrode lug 22, anode ear 21 and negative electrode lug 22 be respectively formed middle part 25,
Epitaxy part 23 and inner end 24；Inside battery is equipped with battery core, and battery core has anode and cathode, the inner end 24 of anode ear 21
It is in be connected to arrangement with the anode of battery core, the inner end 24 of negative electrode lug 22 is in be connected to arrangement with the cathode of battery core；Realize battery core with just
Circuit communication between tab 21 and negative electrode lug 22 realizes the charge and discharge of battery.
Tab part 20 include two anode ears 21 and two negative electrode lugs 22, the inner end 24 of two anode ears 21 respectively with
The anode of battery core is in respectively to be connected to arrangement with the cathode of battery core in connection arrangement, the inner end 24 of two negative electrode lugs 22；Two just
The epitaxy part 23 of tab 21 collects to form positive interconnecting piece, and the epitaxy part 23 of two negative electrode lugs 22 collects to form cathode interconnecting piece.
In this way, being cooperated when battery needs to export high current by two anode ears 21 and two negative electrode lugs 22, realize double
It exports again, guarantees High-current output, and reduce damage of the high current to single tab, improve the service life of tab.
Tab part 20 is formed with multiple microetch holes, and when being molded encapsulated, injecting glue covers microetch hole；Enhance tab part 20 with it is close
The relatively fixed effect of sealing 30, and sealing effect is more preferably.
Tab part 20 is compounded to form using aluminium with copper；Epitaxy part 23 is aluminium material, and inner end 24 is copper material；Convenient for tab
The production of part 20 reduces production cost；Meanwhile guaranteeing the connection of epitaxy part 23 and outer member, guarantee inner end 24 and battery core
Connection.
Negative electrode lug can be used full copper material and be made, and reduce production cost.
Coping plate 10 includes upper cover 11 and lower cover 12, and upper cover 11 and lower cover 12 are arranged in snapping；Upper cover 11 is passed through on being formed
Mouth 13 and multiple hole for injecting glue 14 are worn, lower cover 12 forms lower impenetrating mouth, and upper impenetrating mouth 13 is arranged with lower impenetrating mouth in upper and lower face；
Tab part 20 extends through impenetrating mouth 13 and lower impenetrating mouth；Realize the cooperation of upper cover 11 and lower cover 12 and tab.
Two anode ears 21 arrange that two epitaxy parts, 23, two inner ends 24 of two anode ears 21 are in respectively in face
Vertical corresponding arrangement, two middle parts 25 extend horizontally arrangement along being away from each other direction；Globality whole so more preferably, guarantees electricity
The use in pond.
Two negative electrode lugs 22 arrange that two epitaxy parts, 23, two inner ends 24 of two negative electrode lugs 22 are in respectively in face
Vertical corresponding arrangement, two middle parts 25 extend horizontally arrangement along being away from each other direction；Globality whole so more preferably, guarantees electricity
The use in pond.
Upper cover 11 forms the recessed groove towards lower recess, and recessed groove has bottom wall, and multiple hole for injecting glue 14 are formed on bottom wall；This
Sample, under the action of recessed groove, when guaranteeing that injection molding is encapsulated, colloid has enough injecting glue amounts, and recessed groove facilitates to colloid
It is positioned, it is encapsulated convenient for being molded.
The embodiment of upper cover 11 and lower cover 12 and monopole ear:
Middle part 25 is in Horizontal Tile in lower impenetrating mouth, and inner end 24 is perpendicular downward to be disposed to extend, 23 court of epitaxy part
It is above perpendicular to be disposed to extend and through upper impenetrating mouth 13；Upper cover 11 and lower cover 12 are respectively formed multiple hole for injecting glue 14, pass through upper cover
11 or lower cover 12 realize injection molding it is encapsulated；
Multiple hole for injecting glue 14 are in around arranged for interval, and the lower impenetrating mouth of connection, in this way, injection molding is encapsulated along lower impenetrating mouth circumference
When, the gap between inner end 24 and lower impenetrating mouth is blocked, sealing effect is improved.
Multiple hole for injecting glue 14 are in around arranged for interval, and the upper impenetrating mouth 13 of connection, in this way, injection molding along upper 13 circumference of impenetrating mouth
When encapsulated, the gap between inner end 24 and upper impenetrating mouth 13 is blocked, improves sealing effect.
The embodiment of upper cover 11 and lower cover 12 and Double-pole lug:
Inner end 24 is perpendicular downward to be disposed to extend, and extends through impenetrating mouth 13 and lower impenetrating mouth, and middle part 25 is in
Horizontal Tile will extend vertically upward arrangement away from upper casing direction in the top of upper cover 11, epitaxy part 23；Upper cover 11 forms multiple
Hole for injecting glue 14 realizes that injection molding is encapsulated.
Multiple hole for injecting glue 14 are in around arranged for interval, and the upper impenetrating mouth 13 of connection, in this way, injection molding along upper 13 circumference of impenetrating mouth
When encapsulated, the gap between inner end 24 and upper impenetrating mouth 13 is blocked, improves sealing effect.
When carrying out being molded encapsulated, two anode ears 21 or two anode ears 21 are wrapped up in sealed colloid flowing respectively, make to seal
Layer 30 is in respectively fixed and arranged with two anode ears 21, or makes sealant 30 respectively with two negative electrode lugs 22 in fixed and arranged；
The setting stability of two anode ears 21 and two negative electrode lugs 22 is improved in this way.
Upper cover 11 forms two recessed grooves, and the distance between two recessed grooves form covering surface, upper impenetrating mouth 13, multiple notes
Glue hole 14 is respectively in covering surface；Be molded it is encapsulated after, sealant 30 cover the covering surface, to guarantee the sealing of sealant 30
Effect.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. tab formula cap structure, which is characterized in that including covering the coping plate of inside battery and through the coping plate
Tab part, the tab part include middle part, extend the epitaxy part outside battery and be placed in the inner end of inside battery；It is described
The both ends of middle part are separately connected and are connected to the epitaxy part and the inner end；The pedestal and the coping plate have injecting glue
Gap, the injecting glue gap are molded encapsulated formation sealant, and the coping plate is in the sealant respectively with the tab part
Fixed and arranged, the sealant close the injecting glue gap.
2. tab formula cap structure as described in claim 1, which is characterized in that the middle part is with the coping plate in parallel
Arrangement, one end of the middle part is bent to form first connecting portion, the arc-shaped arrangement of first connecting portion, the extension upward
The lower end in portion connects the first connecting portion, and the upper end of the epitaxy part is disposed to extend upward；The other end court of the middle part
Under be bent to form second connecting portion, the upper end of the inner end connects the second connecting portion, and the lower end of the inner end is downward
It is disposed to extend.
3. tab formula cap structure as claimed in claim 2, which is characterized in that the sealant include at least one first plus
Gu column and at least one second reinforced column；The first connecting portion forms at least one first tab hole, when being molded encapsulated,
Injecting glue is detained first tab hole and forms the first reinforced column；The middle part forms at least one second tab hole, works as injection molding
When encapsulated, injecting glue is detained second tab hole and forms the second reinforced column.
4. tab formula cap structure as claimed in claim 2, which is characterized in that the epitaxy part and the coping plate are perpendicular
Arrangement, the inner end and the perpendicular arrangement of the coping plate, the epitaxy part and the inner end extend along direction is away from each other
Arrangement.
5. the tab formula cap structure as described in claim 1-4 any one, which is characterized in that the middle tab part is equipped with molten
Broken strip, the fusing item are placed between the inner end and the middle part；When the temperature that the fusing item is in is higher than setting
When fusing value, the fusing item fusing, the inner end and the middle part are in off state.
6. the tab formula cap structure as described in claim 1-4 any one, which is characterized in that the tab part includes anode
Ear and negative electrode lug, the anode ear and the negative electrode lug are respectively formed the middle part, the epitaxy part and the inner end
Portion；Inside battery is equipped with battery core, and the battery core has anode and cathode, and the inner end of the anode ear and the battery core are just
In connection arrangement, the inner end of the negative electrode lug is in be connected to arrangement with the cathode of the battery core for pole.
7. tab formula cap structure as claimed in claim 6, which is characterized in that the tab part includes two anode ears
And two negative electrode lugs, the inner end of two anode ears are in be connected to arrangement with the anode of the battery core respectively, two
The inner end of the negative electrode lug is in respectively to be connected to arrangement with the cathode of the battery core；The epitaxy part of two anode ears collects shape
At positive interconnecting piece, the epitaxy part of two negative electrode lugs collects to form cathode interconnecting piece.
8. the tab formula cap structure as described in claim 1-4 any one, which is characterized in that the tab part is formed with more
A microetch hole, when being molded encapsulated, injecting glue covers the microetch hole.
9. the tab formula cap structure as described in claim 1-4 any one, which is characterized in that the tab part using aluminium with
Copper is compounded to form；The epitaxy part is aluminium material, and the inner end is copper material.
10. the tab formula cap structure as described in claim 1-4 any one, which is characterized in that the coping plate includes upper
Lid and lower cover, the upper cover and the lower cover are arranged in snapping；The upper cover forms impenetrating mouth and multiple hole for injecting glue, institute
It states lower cover and forms lower impenetrating mouth, the upper impenetrating mouth and the lower impenetrating mouth in upper and lower face arrangement；The tab part passes through respectively
Wear the upper impenetrating mouth and the lower impenetrating mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465702.XA CN110212147B (en) | 2019-05-30 | 2019-05-30 | Lug type top cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465702.XA CN110212147B (en) | 2019-05-30 | 2019-05-30 | Lug type top cover structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110212147A true CN110212147A (en) | 2019-09-06 |
| CN110212147B CN110212147B (en) | 2024-02-13 |
Family
ID=67789730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465702.XA Active CN110212147B (en) | 2019-05-30 | 2019-05-30 | Lug type top cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110212147B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243228A (en) * | 2021-12-07 | 2022-03-25 | 湖北省泰璞电子有限公司 | Safe type battery tab with insulating piece integrated design |
| CN114824596A (en) * | 2022-04-06 | 2022-07-29 | 星恒电源股份有限公司 | Simple square battery end cover and square battery |
| CN114914597A (en) * | 2022-05-12 | 2022-08-16 | 宜宾长盈精密技术有限公司 | Power battery, power battery top cover and sealing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205376627U (en) * | 2016-02-26 | 2016-07-06 | 宁德时代新能源科技股份有限公司 | Secondary battery |
| CN106558672A (en) * | 2015-09-25 | 2017-04-05 | 东莞新能德科技有限公司 | Battery pack |
| CN108305982A (en) * | 2018-03-22 | 2018-07-20 | 深圳市瑞德丰精密制造有限公司 | Integrally formed electrode structure and battery cap |
| CN210040377U (en) * | 2019-05-30 | 2020-02-07 | 常州瑞德丰精密技术有限公司 | Pole ear type top cover structure |
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| CN106558672A (en) * | 2015-09-25 | 2017-04-05 | 东莞新能德科技有限公司 | Battery pack |
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| CN108305982A (en) * | 2018-03-22 | 2018-07-20 | 深圳市瑞德丰精密制造有限公司 | Integrally formed electrode structure and battery cap |
| CN210040377U (en) * | 2019-05-30 | 2020-02-07 | 常州瑞德丰精密技术有限公司 | Pole ear type top cover structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114243228A (en) * | 2021-12-07 | 2022-03-25 | 湖北省泰璞电子有限公司 | Safe type battery tab with insulating piece integrated design |
| CN114243228B (en) * | 2021-12-07 | 2023-11-24 | 湖北省泰璞电子有限公司 | Safety type battery tab integrally designed with insulating sheet |
| CN114824596A (en) * | 2022-04-06 | 2022-07-29 | 星恒电源股份有限公司 | Simple square battery end cover and square battery |
| CN114914597A (en) * | 2022-05-12 | 2022-08-16 | 宜宾长盈精密技术有限公司 | Power battery, power battery top cover and sealing method thereof |
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| Publication number | Publication date |
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| CN110212147B (en) | 2024-02-13 |
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