CN204088401U - The cover plate of power battery of anti-electrocorrosion - Google Patents
The cover plate of power battery of anti-electrocorrosion Download PDFInfo
- Publication number
- CN204088401U CN204088401U CN201420419004.9U CN201420419004U CN204088401U CN 204088401 U CN204088401 U CN 204088401U CN 201420419004 U CN201420419004 U CN 201420419004U CN 204088401 U CN204088401 U CN 204088401U
- Authority
- CN
- China
- Prior art keywords
- substrate
- pole
- cover plate
- electrocorrosion
- positive terminal
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 239000004065 semiconductor Substances 0.000 claims abstract description 34
- 206010043183 Teething Diseases 0.000 claims abstract description 19
- 230000036346 tooth eruption Effects 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000007493 shaping process Methods 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
- 238000003466 welding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of cover plate of power battery of anti-electrocorrosion, include substrate, described substrate is provided with two pole column holes be respectively used to through positive terminal and negative terminal, by being set in the hard semiconductor teething ring electrical isolation outside positive terminal between described positive terminal and substrate, described hard semiconductor teething ring is provided with multiple through hole, in described through hole, is equipped with cylindrical ceramic post.The utility model has the advantage that can effectively prevent battery from producing direct contact short circuit between pole and cover plate after high temperature when being short-circuited.
Description
Technical field
The utility model relates to accessory battery, especially relates to a kind of cover plate of power battery that can effectively prevent battery from producing direct contact short circuit between pole and cover plate after high temperature when being short-circuited.
Background technology
Electrokinetic cell is the important component part of new forms of energy battery, electrokinetic cell keeps the development of new-energy automobile in check, thus, the safety of battery and Practical Performance are its particularly important performance parameters, and the sealing of cover plate of power battery and the galvano-cautery being connected effect and battery case and cover plate emphasis wherein just, good sealing and the corrosion resistance being connected effect and battery case cap can increase the practicality such as convenient and swift that the security performance of battery and battery are assembled into module, and the battery cover board of prior art is also difficult to reach ideal effect in cell safety and monocell connection.Be short-circuited to prevent battery, general meeting carries out electrical isolation by a plastic pad between positive terminal and substrate, but can high temperature be produced when battery is short-circuited, and then fusing plastic pad makes direct contact short circuit between pole and cover plate, can further increase accident.
Utility model content
For solving the problem, the purpose of this utility model is to provide a kind of cover plate of power battery that can effectively prevent battery from producing the anti-electrocorrosion of direct contact short circuit between pole and cover plate after high temperature when being short-circuited.
The utility model is realized by following technical measures, a kind of cover plate of power battery of anti-electrocorrosion, include substrate, described substrate is provided with two pole column holes be respectively used to through positive terminal and negative terminal, by being set in the hard semiconductor teething ring electrical isolation outside positive terminal between described positive terminal and substrate, described hard semiconductor teething ring is provided with multiple through hole, in described through hole, is equipped with cylindrical ceramic post.
As a kind of optimal way, described two pole column hole upper surfaces are respectively arranged with step cutting pattern, and described hard semiconductor teething ring lower end embeds in the step cutting pattern of positive pole post holes, and the step cutting pattern of negative pole post holes is embedded with the ceramic ring be set in outside negative terminal.
As a kind of optimal way, the described substrate lower surface be positioned near positive pole post holes and negative pole post holes is provided with multiple substrate blind hole, described positive terminal and negative terminal abut base lower surface place and are all provided with the pole blind hole matched with substrate blind hole, ceramics pole is embedded with between described substrate blind hole and corresponding pole blind hole, the upper surface that described positive terminal is positioned at substrate is closely arranged with semiconductor plastic pad, and the below of described semiconductor plastic pad embeds in the step of positive pole post holes.
As a kind of optimal way, the top of described positive terminal and negative terminal is all provided with a pole draw-in groove, the upper surface that described negative terminal is positioned at substrate is closely arranged with negative pole plastic pad, described positive terminal and be all arranged with seal washer between negative terminal and base lower surface, described pole draw-in groove is arranged with axle jump ring, described axle jump ring is fastened on semiconductor plastic pad upper surface and by positive terminal, seal washer and semiconductor plastic pad are closely stuck on substrate, or described axle jump ring is fastened on negative pole plastic pad upper surface and by negative terminal, seal washer and negative pole plastic pad are closely stuck on substrate.
As a kind of optimal way, the upper surface that described positive terminal is positioned at substrate is arranged with a positive pole protection plastic pad.
As a kind of optimal way, the upper surface that described negative terminal is positioned at substrate is arranged with a negative pole protection plastic pad.
As a kind of optimal way, described substrate is provided with explosionproof hole, is provided with burst disk in described explosionproof hole, described explosionproof hole upper surface is provided with burst disk paster.
As a kind of optimal way, described substrate is also provided with liquid injection hole.
As a kind of optimal way, described base lower surface is also provided with the insulation spacer of injection moulding.
The utility model by increasing a hard semiconductor teething ring between positive terminal and substrate, being connected by semi-rigid semiconductor teething ring and substrate to make the electromotive force of battery cover board and shell identical with positive terminal, and do not affect the conductive effect of positive terminal, effectively can prevent the galvano-cautery of battery case and substrate, be prevent burst disk galvano-cautery by it.The short circuit directly will contacted between positive terminal with substrate after several cylindrical ceramic posts can effectively prevent battery from producing high temperature when being short-circuited is added in semi-rigid semiconductor teething ring.
Accompanying drawing explanation
Fig. 1 is the vertical view of the utility model embodiment;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 is the structural representation being embedded with the hard semiconductor teething ring of cylindrical ceramic post of the utility model embodiment;
Fig. 4 is the upward view of the utility model embodiment;
Fig. 5 is the structural representation of the positive terminal of the utility model embodiment;
Fig. 6 is the vertical view of the substrate of the utility model embodiment;
Fig. 7 is the B-B cross-sectional view of Fig. 6.
Embodiment
Contrast accompanying drawing below in conjunction with embodiment the utility model is described in further detail.
The cover plate of power battery of a kind of anti-electrocorrosion of the present embodiment, please refer to Fig. 1 to Fig. 7, include substrate 1, described substrate 1 is provided with the positive pole post holes 101 and negative pole post holes 105 that are respectively used to through positive terminal 3 and negative terminal 9, by being set in hard semiconductor teething ring 5 electrical isolation outside positive terminal 3 between described positive terminal 3 and substrate 1, described hard semiconductor teething ring 5 is provided with multiple through hole 501, in described through hole 501, is equipped with cylindrical ceramic post 13.
The substrate 1 of the present embodiment is made through punch process through mould and stamping machine by aluminium.Cylindrical ceramic 7 forms through high temperature sintering with alundum (Al2O3).Positive terminal 4 forms by aluminium is machined.Negative terminal 7 forms by copper material is machined.Semi-rigid semiconductor teething ring 5 is formed by the corrosion-resistant organic material injection molding with having characteristic of semiconductor.
By increasing a hard semiconductor teething ring 5 between positive terminal 3 and substrate 1, being connected with substrate 1 by semi-rigid semiconductor teething ring 5 to make the electromotive force of battery cover board and shell identical with positive terminal 3, and do not affect the conductive effect of positive terminal 3, effectively can prevent the galvano-cautery of battery case and substrate 1, be prevent burst disk galvano-cautery by it.The short circuit directly will contacted between positive terminal 3 with substrate 1 after several cylindrical ceramic posts 13 can effectively prevent battery from producing high temperature when being short-circuited is added in semi-rigid semiconductor teething ring 5.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 2, the basis of previous technique scheme can also be specifically, positive pole post holes 101 and negative pole post holes 105 upper surface are respectively arranged with step cutting pattern 102,106, described hard semiconductor teething ring 5 lower end embeds in the step cutting pattern 102 of positive pole post holes, and the step cutting pattern 106 of negative pole post holes is embedded with the ceramic ring 10 be set in outside negative terminal.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 1 to Fig. 7, the basis of previous technique scheme can also be specifically, the upper surface that positive pole post holes 101 and negative pole post holes 105 are positioned at substrate is set to the lower surface be positioned near positive pole post holes 101 and negative pole post holes 105 of substrate 1 described in step 7 and is provided with multiple substrate blind hole 107, described positive terminal 3 and negative terminal 9 abut substrate 1 lower surface place and are all provided with the pole blind hole 303 matched with substrate blind hole 107, cylindrical ceramic 7 is embedded with between described substrate blind hole 107 and corresponding pole blind hole 303, the upper surface that described positive terminal 3 is positioned at substrate 1 is closely arranged with stiffened semiconductor plastic pad 5, the below of described semiconductor plastic pad 5 embeds in the step 102 of positive pole post holes 101.
The substrate 1 of the present embodiment is when punch process, changed by mould, lower surface around positive pole post holes 101 and negative pole post holes 105 stamps out some substrate blind holes 107 respectively, by loading cylindrical ceramic 7 thus considerably increasing pole to the sealing after the relative rotational resistance of substrate and riveted joint.So just reach the moment of torsion that adds large cover and prevent overvoltage on the object of bubble-tight impact; The present embodiment arranges the electromotive force that semiconductor plastic pad 5 effectively can improve battery case and cover plate between positive terminal 3 and substrate 1, prevents battery case and cover plate from being the galvano-cautery of burst disk by it.Battery cover board and shell is prevented by the electromotive force improving cover plate, the particularly galvano-cautery of the burst disk of regarding safety performance on cover plate, avoids electrokinetic cell in normal use procedure because the galvano-cautery of inside battery makes breaking of battery cover board, shell and burst disk.Thus improve the useful life of battery and the fail safe of use.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 2, Fig. 4 and, Fig. 5, the basis of previous technique scheme can also be specifically, the top of positive terminal 3 and negative terminal 9 is all provided with a pole draw-in groove 302, the upper surface that described negative terminal 9 is positioned at substrate is closely arranged with negative pole plastic pad 10, described positive terminal 3 and be all arranged with seal washer 6 between negative terminal 9 and substrate 1 lower surface, described pole draw-in groove 302 is arranged with axle jump ring 4, described axle jump ring 4 is fastened on semiconductor plastic pad 5 upper surface and by positive terminal 3, seal washer 6 and semiconductor plastic pad 5 closely block on substrate 1, or described axle jump ring 4 is fastened on negative pole plastic pad 10 upper surface and by negative terminal 6, seal washer 6 and negative pole plastic pad 10 are closely stuck on substrate.Seal washer 6 is formed through injection molding by corrosion resistant temperature-resistant material.Axle jump ring 4 is stamped to form with stainless steel.Substrate 1 is after punch process is shaping, positive terminal 3 and negative terminal 9 are each passed through injection moulding seal washer 6, positive terminal 3 is through cylindrical ceramic 7 being loaded pole blind hole 301 after seal washer 6, pass between substrate 1 again, pass stiffened semiconductor plastic pad 5 again and with external pliers, axle jump ring 4 blocked upper positive terminal 3, then with special fixture, axle jump ring 4 being pressed in pole draw-in groove 302.Positive terminal 3 and negative terminal 9 process a circle pole draw-in groove 302 man-hour adding on cylinder, thus the whole assembling of cover plate can by the part using axle jump ring 4 to fix other, and riveted joint pole need do not used to fix the part of cover plate, thus ensure to have gone up that the smooth of cover plate and cover plate process is convenient, the pole column hole upper surface of substrate 1 increases pole column hole round platform rank, making substrate accurate positioning when assembling with annular pottery, being convenient to assembling and enhancing productivity.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, the basis of previous technique scheme can also be specifically that the upper surface that positive terminal 3 is positioned at substrate 1 is arranged with a positive pole protection plastic pad 2.Negative terminal position 9 is arranged with a negative pole protection plastic pad 11 in the upper surface of substrate 1.Positive pole protection plastic pad 2 protects plastic pad 11 to be through injection molded with plastic material with negative pole.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 1 and Fig. 2, the basis of previous technique scheme can also be specifically, substrate 1 is provided with explosionproof hole 104, be provided with burst disk 8 in described explosionproof hole 104, explosionproof hole 104 upper surface is provided with burst disk paster 81.Burst disk 8 is stamped to form with aluminium; burst disk paster 81 cuts rear section glue with plastic rubber material to be made; rupture pressure disc 8 and substrate 1 are through laser welding; the cover plate assembled is put into injection mold injection moulding and complete lower insulation plastic cement, positive pole protection plastic pad 2, negative pole protection plastic pad 11, make the completed power battery cover board for whole battery.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 1 and Fig. 2, the basis of previous technique scheme can also be specifically, substrate 1 is also provided with liquid injection hole 103.
In the cover plate of power battery of the anti-electrocorrosion of an embodiment, please refer to Fig. 2, the basis of previous technique scheme can also be specifically, substrate 1 lower surface is also provided with the insulation spacer 5 of injection moulding.Insulation spacer 5 is through injection molded with plastic material.
More than that the cover plate of power battery of the utility model anti-electrocorrosion is set forth; the utility model is understood for helping; but execution mode of the present utility model is not restricted to the described embodiments; any do not deviate from the utility model principle under do change, modification, substitute, combination, simplify; all should be the substitute mode of equivalence, be included in protection range of the present utility model.
Claims (9)
1. the cover plate of power battery of an anti-electrocorrosion, it is characterized in that: include substrate, described substrate is provided with two pole column holes be respectively used to through positive terminal and negative terminal, by being set in the hard semiconductor teething ring electrical isolation outside positive terminal between described positive terminal and substrate, described hard semiconductor teething ring is provided with multiple through hole, in described through hole, is equipped with cylindrical ceramic post.
2. the cover plate of power battery of anti-electrocorrosion according to claim 1, it is characterized in that: described two pole column hole upper surfaces are respectively arranged with step cutting pattern, described hard semiconductor teething ring lower end embeds in the step cutting pattern of positive pole post holes, and the step cutting pattern of negative pole post holes is embedded with the ceramic ring be set in outside negative terminal.
3. the cover plate of power battery of anti-electrocorrosion according to claim 1, it is characterized in that: the described substrate lower surface be positioned near positive pole post holes and negative pole post holes is provided with multiple substrate blind hole, described positive terminal and negative terminal abut base lower surface place and are all provided with the pole blind hole matched with substrate blind hole, ceramics pole is embedded with between described substrate blind hole and corresponding pole blind hole, the upper surface that described positive terminal is positioned at substrate is closely arranged with semiconductor plastic pad, and the below of described semiconductor plastic pad embeds in the step of positive pole post holes.
4. the cover plate of power battery of anti-electrocorrosion according to claim 1, it is characterized in that: the top of described positive terminal and negative terminal is all provided with a pole draw-in groove, the upper surface that described negative terminal is positioned at substrate is closely arranged with negative pole plastic pad, described positive terminal and be all arranged with seal washer between negative terminal and base lower surface, described pole draw-in groove is arranged with axle jump ring, described axle jump ring is fastened on semiconductor plastic pad upper surface and by positive terminal, seal washer and semiconductor plastic pad are closely stuck on substrate, or described axle jump ring is fastened on negative pole plastic pad upper surface and by negative terminal, seal washer and negative pole plastic pad are closely stuck on substrate.
5. the cover plate of power battery of anti-electrocorrosion according to claim 1, is characterized in that: the upper surface that described positive terminal is positioned at substrate is arranged with a positive pole protection plastic pad.
6. the cover plate of power battery of anti-electrocorrosion according to claim 1, is characterized in that: the upper surface that described negative terminal is positioned at substrate is arranged with a negative pole protection plastic pad.
7. the cover plate of power battery of anti-electrocorrosion according to claim 1, is characterized in that: described substrate is provided with explosionproof hole, is provided with burst disk in described explosionproof hole, and described explosionproof hole upper surface is provided with burst disk paster.
8. the cover plate of power battery of anti-electrocorrosion according to claim 1, is characterized in that: described substrate is also provided with liquid injection hole.
9. the cover plate of power battery of anti-electrocorrosion according to claim 1, is characterized in that: described base lower surface is also provided with the insulation spacer of injection moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419004.9U CN204088401U (en) | 2014-07-25 | 2014-07-25 | The cover plate of power battery of anti-electrocorrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419004.9U CN204088401U (en) | 2014-07-25 | 2014-07-25 | The cover plate of power battery of anti-electrocorrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088401U true CN204088401U (en) | 2015-01-07 |
Family
ID=52181077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419004.9U Expired - Lifetime CN204088401U (en) | 2014-07-25 | 2014-07-25 | The cover plate of power battery of anti-electrocorrosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088401U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097287A (en) * | 2015-09-14 | 2015-11-25 | 安徽富吉电容有限责任公司 | Novel waterproof and explosion-prevention capacitor |
| CN105186013A (en) * | 2015-09-30 | 2015-12-23 | 深圳市瑞德丰精密制造有限公司 | Installation method for battery jump ring and installation device |
| CN105576159A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN106353052A (en) * | 2016-08-31 | 2017-01-25 | 芜湖美的厨卫电器制造有限公司 | Water purifier and water leakage detection device for same |
-
2014
- 2014-07-25 CN CN201420419004.9U patent/CN204088401U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576159A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN105097287A (en) * | 2015-09-14 | 2015-11-25 | 安徽富吉电容有限责任公司 | Novel waterproof and explosion-prevention capacitor |
| CN105186013A (en) * | 2015-09-30 | 2015-12-23 | 深圳市瑞德丰精密制造有限公司 | Installation method for battery jump ring and installation device |
| CN105186013B (en) * | 2015-09-30 | 2018-01-19 | 深圳市瑞德丰精密制造有限公司 | A kind of installation method and erecting device of battery jump ring |
| CN106353052A (en) * | 2016-08-31 | 2017-01-25 | 芜湖美的厨卫电器制造有限公司 | Water purifier and water leakage detection device for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |