CN103872275A - Power battery cover plate - Google Patents
Power battery cover plate Download PDFInfo
- Publication number
- CN103872275A CN103872275A CN201410075896.XA CN201410075896A CN103872275A CN 103872275 A CN103872275 A CN 103872275A CN 201410075896 A CN201410075896 A CN 201410075896A CN 103872275 A CN103872275 A CN 103872275A
- Authority
- CN
- China
- Prior art keywords
- pole
- cover plate
- power battery
- hole
- substrate
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000035515 penetration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
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
- 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
- H01M50/543—Terminals
-
- 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)
Abstract
The invention discloses a power battery cover plate, which comprises a substrate, wherein two pole holes which are respectively used for penetration of a positive pole and a negative pole are formed in the substrate; the positive pole and the negative pole comprise bases and pole bodies which penetrate through the pole holes; an annular groove is formed in the upper end of each pole body; a circular ceramic ring sleeves the periphery of each pole body; the annular groove is provided with a shaft clamping spring in a clamping manner; a sealing washer is arranged between the base and the substrate; the shaft clamping spring is clamped and pressed on the upper surface of the circular ceramic ring; the sealing washer is arranged between the pole hole and the positive pole or between the pole hole and the negative pole in a sealing manner. The power battery cover plate disclosed by the invention has the advantage of being capable of effectively improving the reliability of connection and greatly increasing the convenience, practicality and safety of a power battery.
Description
Technical field
The present invention relates to electrokinetic cell, especially relate to and a kind ofly can effectively improve the reliability of connection, the convenient and practical property that greatly improves electrokinetic cell and the cover plate of power battery of fail safe.
Background technology
Electrokinetic cell is the important component part of new forms of energy battery, electrokinetic cell is being kept the development of new-energy automobile in check, thereby, the safety of battery and Practical Performance are its particularly important performance parameters, and the sealing of cover plate of power battery be connected effect emphasis wherein just, good sealing be connected effect and can increase the security performance of battery and battery and be assembled into the practicality such as convenient and swift of module, and the battery cover board of prior art is also being difficult to reach ideal effect aspect cell safety and monocell connection.
Summary of the invention
For addressing the above problem, the object of the invention is to provide a kind of can effectively improve the reliability of connection, the convenient and practical property that greatly improves electrokinetic cell and the cover plate of power battery of fail safe.
The present invention realizes by following technical measures, a kind of cover plate of power battery, include substrate, on described substrate, be provided with two pole column holes that are respectively used to through positive terminal and negative terminal, described positive terminal and negative terminal all comprise base and the cylinder that passes pole column hole, and the upper end of described cylinder is provided with annular groove, and the periphery of described cylinder is arranged with ceramic circular rings, described annular groove is arranged with axle jump ring, between described base and substrate, is provided with seal washer; Described axle is pressed in ceramic circular rings upper surface with jump ring card, and described seal washer sealing is arranged between pole column hole and positive terminal or pole column hole and negative terminal.
As a kind of optimal way, described two pole column hole upper surfaces are respectively arranged with the step cutting pattern for embedding ceramic circular rings.
As a kind of optimal way, described two pole column holes lower surface around is also respectively arranged with by the circular blind hole of some substrates, described base upper surface is provided with the circular blind hole of the pole that matches with circular blind hole, between the circular blind hole of described substrate and the pole circle blind hole matching, is inlaid with spline ceramic body.
As a kind of optimal way, described axle has plastic cement pad by jump ring arranged outside.
As a kind of optimal way, on described substrate, be provided with explosionproof hole, on explosionproof hole, be provided with burst disk.
As a kind of optimal way, on described substrate, liquid injection hole is set.
As a kind of optimal way, the arranged outside of described upper surface of base plate pole has the insulation colloid of injection moulding.
As a kind of optimal way, described base lower surface is provided with the insulation spacer of injection moulding.
As a kind of optimal way, the center of described positive terminal or negative terminal is provided with internal thread hole.
Cover plate of the present invention adopts axle pole to be fixed in the pole column hole of substrate by the mode of jump ring and annular groove, the seal washer arranging between the base of sealing means employing one side and substrate, axle jump ring is snapped in to annular groove applying after external force compression seal packing ring, this structure makes stressed more even, can effectively improve the reliability of connection, greatly improve convenient and practical property and the fail safe of electrokinetic cell.
Brief description of the drawings
Fig. 1 is the cutaway view of the embodiment of the present invention;
Fig. 2 is the cutaway view of the invention process spr substrate;
Fig. 3 is the vertical view of the embodiment of the present invention;
Fig. 4 is the structural representation of embodiment of the present invention pole.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
A kind of cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 4, include substrate 1, on described substrate 1, be provided with two pole column holes 102,106 that are respectively used to through positive terminal 2 and negative terminal 3, described positive terminal 2 and negative terminal 3 all comprise base 201 and pass the cylinder 202 of pole column hole, the upper end of described cylinder 202 is provided with annular groove 203, the periphery of described cylinder 202 is arranged with ceramic circular rings 4, described annular groove 203 is arranged with jump ring 6 for axle, between described base 201 and substrate 1, is provided with seal washer 8; Described axle is pressed in ceramic circular rings 4 upper surfaces with jump ring 6 cards, and described seal washer 8 sealings are arranged between pole column hole 102 and positive terminal 2 or pole column hole 106 and negative terminal 3.The substrate 1 of the present embodiment is to be made through punch process through mould and stamping machine by aluminium.Pottery circular rings 4 is to form through high temperature sintering with alundum (Al2O3).Seal washer 8 is to be formed through injection molding by corrosion resistant temperature-resistant material.Positive terminal 2 is to form by aluminium is machined.Axle is to be stamped to form with stainless steel with jump ring 6.Negative terminal 3 is to form by copper material is machined.
Cover plate adopts axle jump ring 6 and the mode of annular groove 203 pole to be fixed in the pole column hole of substrate 1, the seal washer 8 arranging between the base 201 of sealing means employing one side and substrate 1, axle jump ring 6 is snapped in to annular groove 203 applying after external force compression seal packing ring 8, this structure makes stressed more even, can effectively improve the reliability of connection, greatly improve convenient and practical property and the fail safe of electrokinetic cell.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 4, on the basis of previous technique scheme, can also be specifically, and two pole column hole 102,106 upper surfaces are respectively arranged with the step cutting pattern 101 for embedding ceramic circular rings 4.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 4, on the basis of previous technique scheme, can also be specifically, lower surface around two pole column holes 102,106 is also respectively arranged with by the circular blind holes 103 of some substrates, described base 201 upper surfaces are provided with the circular blind hole 204 of the pole matching with circular blind hole 103, between the circular blind hole 103 of described substrate and the pole circle blind hole 204 matching, be inlaid with spline ceramic body 8, in the present embodiment, spline ceramic body 8 is circular columns.Between the base 201 of pole and substrate 1, embed spline ceramic body 8 and locate spline, in increasing spline moment of torsion, be conducive to increase the insulating properties of pole and substrate, separated the hypodynamic problem of turning round of determine electrokinetic cell air-tightness and pole.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1, on the basis of previous technique scheme, can also be specifically, and axle has plastic cement pad 5 by jump ring 6 arranged outside.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 3, on the basis of previous technique scheme, can also be specifically, is provided with explosionproof hole 105 on substrate 1, on explosionproof hole 105, is provided with burst disk.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 3, can also be specifically that liquid injection hole 104 is set on substrate on the basis of previous technique scheme.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 3, on the basis of previous technique scheme, can also be specifically, and substrate 1 lower surface is provided with the insulation spacer 9 of injection moulding.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 3, on the basis of previous technique scheme, can also be specifically, and the arranged outside of substrate 1 upper surface pole has the insulation colloid 7 of injection moulding.
The cover plate of power battery of the present embodiment, please refer to accompanying drawing 1 to Fig. 4, on the basis of previous technique scheme, can also be specifically, and the center of positive terminal 2 or negative terminal 3 is provided with internal thread hole 205.The outside of battery connects can adopt laser welding or two kinds of modes of bolted.
In addition, because the riveted joint briquetting surface of prior art is plane, can only carry out outside by laser welding connects, and it is directly inadequate with cover plate rivet force and the spline moment of torsion of bolt riveted joint, the present invention considers fully the advantage and defect of two kinds of modes in the time of design, after assembling, in pole cylinder, increase a screwed hole be set in the heart, can meet simultaneously two kinds of different connected modes effect also guarantee efficiency and reliability.
The invention solves when power cover plate is threaded connection and turn round hypodynamic problem, and effectively ensure air-tightness, make convenient and fast connection between battery, fail safe simultaneously is also improved.Can make the quick and stable development of electrokinetic cell industry, be beneficial to producing by batch of electrokinetic cell, supply the demand of electric automobile, so just can better realize practical value and the economic worth of cover plate of power battery of the present invention.
More than that cover plate of power battery of the present invention is set forth; be used for helping to understand the present invention; but embodiments of the present invention are not restricted to the described embodiments; anyly do not deviate from the change done under the principle of the invention, modification, substitute, combination, simplify; all should be equivalent substitute mode, be included in protection scope of the present invention in.
Claims (9)
1. a cover plate of power battery, it is characterized in that: include substrate, on described substrate, be provided with two pole column holes that are respectively used to through positive terminal and negative terminal, described positive terminal and negative terminal all comprise base and pass the cylinder of pole column hole, the upper end of described cylinder is provided with annular groove, the periphery of described cylinder is arranged with ceramic circular rings, and described annular groove is arranged with axle jump ring, between described base and substrate, is provided with seal washer; Described axle is pressed in ceramic circular rings upper surface with jump ring card, and described seal washer sealing is arranged between pole column hole and positive terminal or pole column hole and negative terminal.
2. cover plate of power battery according to claim 1, is characterized in that: described two pole column hole upper surfaces are respectively arranged with the step cutting pattern for embedding ceramic circular rings.
3. cover plate of power battery according to claim 1, it is characterized in that: described two pole column holes lower surface around is also respectively arranged with by the circular blind hole of some substrates, described base upper surface is provided with the circular blind hole of the pole that matches with circular blind hole, between the circular blind hole of described substrate and the pole circle blind hole matching, is inlaid with spline ceramic body.
4. cover plate of power battery according to claim 1, is characterized in that: described axle jump ring arranged outside has plastic cement pad.
5. cover plate of power battery according to claim 1, is characterized in that: on described substrate, be provided with explosionproof hole, be provided with burst disk on explosionproof hole.
6. cover plate of power battery according to claim 1, is characterized in that: on described substrate, liquid injection hole is set.
7. cover plate of power battery according to claim 1, is characterized in that: the arranged outside of described upper surface of base plate pole has the insulation colloid of injection moulding.
8. cover plate of power battery according to claim 1, is characterized in that: described base lower surface is provided with the insulation spacer of injection moulding.
9. cover plate of power battery according to claim 1, is characterized in that: the center of described positive terminal or negative terminal is provided with internal thread hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075896.XA CN103872275A (en) | 2014-03-03 | 2014-03-03 | Power battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075896.XA CN103872275A (en) | 2014-03-03 | 2014-03-03 | Power battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103872275A true CN103872275A (en) | 2014-06-18 |
Family
ID=50910592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410075896.XA Pending CN103872275A (en) | 2014-03-03 | 2014-03-03 | Power battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103872275A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325966A (en) * | 2013-07-10 | 2013-09-25 | 倪志华 | Power battery cover plate |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
| CN110116471A (en) * | 2018-02-06 | 2019-08-13 | 陈东城 | Cover plate of power battery and its manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002260605A (en) * | 2001-03-02 | 2002-09-13 | Sanyo Electric Co Ltd | Cylindrical battery |
| CN202585558U (en) * | 2012-03-26 | 2012-12-05 | 宁德新能源科技有限公司 | Power battery and top cover thereof |
| CN203398194U (en) * | 2013-06-19 | 2014-01-15 | 深圳市科达利实业股份有限公司 | Dual-protection explosion-proof equipment of power battery cover plate |
| CN203932132U (en) * | 2014-03-03 | 2014-11-05 | 深圳市科达利实业股份有限公司 | Cover plate of power battery |
-
2014
- 2014-03-03 CN CN201410075896.XA patent/CN103872275A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002260605A (en) * | 2001-03-02 | 2002-09-13 | Sanyo Electric Co Ltd | Cylindrical battery |
| CN202585558U (en) * | 2012-03-26 | 2012-12-05 | 宁德新能源科技有限公司 | Power battery and top cover thereof |
| CN203398194U (en) * | 2013-06-19 | 2014-01-15 | 深圳市科达利实业股份有限公司 | Dual-protection explosion-proof equipment of power battery cover plate |
| CN203932132U (en) * | 2014-03-03 | 2014-11-05 | 深圳市科达利实业股份有限公司 | Cover plate of power battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325966A (en) * | 2013-07-10 | 2013-09-25 | 倪志华 | Power battery cover plate |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
| CN110116471A (en) * | 2018-02-06 | 2019-08-13 | 陈东城 | Cover plate of power battery and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140618 |
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| RJ01 | Rejection of invention patent application after publication |