CN205211828U - A pretension adapting unit for power battery utmost point post - Google Patents
A pretension adapting unit for power battery utmost point post Download PDFInfo
- Publication number
- CN205211828U CN205211828U CN201520737651.9U CN201520737651U CN205211828U CN 205211828 U CN205211828 U CN 205211828U CN 201520737651 U CN201520737651 U CN 201520737651U CN 205211828 U CN205211828 U CN 205211828U
- Authority
- CN
- China
- Prior art keywords
- pretension
- negative pole
- power battery
- sheet metal
- positive
- 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 - Fee Related
Links
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 pretension adapting unit for power battery utmost point post, including one install power battery just / the insulating part of negative pole post top, this insulation part has a fixed slot, the upper portion of fixed slot has the flange of inside extension, the bottom of fixed slot set up power battery just / the holding hole of negative pole post, be provided with in the fixed slot be used for crimping power battery just / the metal pretension connection structure of negative pole post. This pretension adapting unit is applied to the electricity of the positive negative pole of each battery cell in the power battery group and connects, owing to be afraid of and do not shake, do not connect reliable, has effectively reduced the serious problems such as contact resistance, local pyrexia between the positive negative pole of each battery cell, and the battery is connected more reliably, and the performance remained of messenger's group battery is at the optimum. Low in cost, technological means simple accurate, repeatedly usable to shortcoming and the harm of adopting connected modes such as laser welding, bolt or rivet locking to bring have effectively been overcome among the prior art.
Description
Technical field
The utility model relates to the electric connection structure in power battery pack between each neighboring unit cell positive/negative, particularly relates to a kind of pretension link for power battery post.
Background technology
Electrokinetic cell by positive plate, negative plate, electrolyte and between both positive and negative polarity the barrier film of against short-circuit form.Positive plate and negative plate are made into thin plate or foil-like, then battery lead plate and intervenient barrier film stacked or helical form spooling and form battery core in order.Battery core is loaded in stainless steel, the iron of nickel plating, aluminum metal case or hull cell container, and reinject electrolyte, sealing and make battery.Wherein, battery core and outside energising are that lug by being connected with pole plate and pole realize.
At present, due to advantages such as electrokinetic cell environmental protection, safety, life-span length, extensive concern and research is subject to.Along with the continuous progress of power battery technology, the application of power is also more and more extensive, the fields such as such as electric tool, electric bicycle, electric motor car, energy storage.Also require while battery technology constantly improves that battery production equipment is continued to optimize and improve to adapt to battery production, reach and enhance productivity, the object of Improving The Quality of Products.When high-rate battery discharge, if place's link fails such as lug poles, heating may be caused serious, cause battery local temperature excessively to improve, and then cause whole battery failure.The performance of whole power brick and life-span is caused sharply to decline.There is following problem in the connected mode of existing cell:
1. laser welding: although the method contact resistance is little, vehicle in the process of moving, has many vibrational excitations, and this just makes weld easily become fragile, easily rupture, sealing-off, causes product rejection; And complex manufacturing, cost is high;
2. with bolt or rivet locking; The method is not by the impact of the lug number of plies, but the contact resistance between pole and metal pretension brace fluctuates very large by the impact of coupling mechanism force, and complex manufacturing, reliability is low, and cost is high.
Summary of the invention
The purpose of this utility model is the shortcoming and defect overcoming above-mentioned prior art, provides a kind of vibrationproof, contacts a kind of pretension link for power battery post that is firm, simple process.
The utility model is achieved through the following technical solutions:
For a pretension link for power battery post, comprise one and be arranged on insulating element 1 above the positive/negative pole 2 of electrokinetic cell, this insulating element 1 has a holddown groove 12, and the top of holddown groove 12 has the flange 11 extended internally; The bottom of holddown groove 12 offers the containing hole 1-1 of the positive/negative pole 2 of electrokinetic cell; The metal pretension syndeton 20 for crimping the positive/negative pole 2 of electrokinetic cell is provided with in described holddown groove 12.
Described metal pretension syndeton 20 comprises sheet metal 21, lower sheet metal 22, and is placed in the metal elastic part between sheet metal 21 and lower sheet metal 22; Under the tension force effect of metal elastic part, sheet metal 21 and flange 11 are offseted, lower sheet metal 22 offsets with the positive/negative pole 2 of electrokinetic cell, realizes whole metal pretension syndeton and realizes being electrically connected with the positive/negative pole 2 of electrokinetic cell.
Described metal elastic part is spiral spring 23 or corrugated spring 24.
The described pretension link for power battery post, also comprise one for being fixed on the insulation board 3 above electrokinetic cell 4, described insulating element 1 is fixed and is distributed on insulation board 3, and the position of the positive/negative pole that its position distributed is to be connected with each electrokinetic cell 5 is corresponding; At the through hole that the position corresponding to the containing hole 1-1 bottom holddown groove 12 offers, the positive/negative pole of each electrokinetic cell is passed and stretches in containing hole 1-1, make it contact with lower sheet metal 22, realize whole metal pretension syndeton and realize being electrically connected with the positive/negative pole 2 of electrokinetic cell.
The two ends up and down of described spiral spring 23, are welded on sheet metal 21 and lower sheet metal 22 respectively accordingly.
The crest up and down of described corrugated spring 24, contacts with upper sheet metal 21 and lower sheet metal 22 respectively accordingly; A wave soldering is had at least on upper sheet metal 21 or lower sheet metal 22 in described upper and lower crest.
The utility model, relative to prior art, has following advantage and effect:
The pretension jockey that the utility model adopts, be applied to the electrical connection of each cell both positive and negative polarity in power battery pack, shake owing to not being afraid of, connect reliably, not easily loosen and can not rupture because of vibrations, effectively reduce the serious problems such as contact resistance, local pyrexia between each cell both positive and negative polarity, battery connects more reliable, makes the property retention of battery pack in optimum state.
The utility model is cheap, and technological means is simple and easy to do; Reusable when again changing battery pack, and effectively overcome in prior art, the shortcoming adopting the connected modes such as laser welding, bolt or rivet locking to bring and harm.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of the utility model insulating element.
Fig. 3 containing hole structural representation that to be Fig. 2 be bottom the utility model insulating element.
Fig. 4 is the structural representation of a kind of metal pretension of the utility model syndeton.
Fig. 5 is the structural representation of the utility model another kind of metal pretension syndeton.
Embodiment
Below in conjunction with specific embodiment, the utility model is more specifically described in detail.
Embodiment
As shown in Fig. 1 to 5.A kind of pretension link for power battery post of the utility model, comprise one and be arranged on insulating element 1 above the positive/negative pole 2 of electrokinetic cell, this insulating element 1 has a holddown groove 12, and the top of holddown groove 12 has the flange 11 extended internally; The bottom of holddown groove 12 offers the containing hole 1-1 of the positive/negative pole 2 of electrokinetic cell; The metal pretension syndeton 20 for crimping the positive/negative pole 2 of electrokinetic cell is provided with in described holddown groove 12.Insulating element 1 is high-strength insulating material.
Described metal pretension syndeton 20 comprises sheet metal 21, lower sheet metal 22, and is placed in the metal elastic part between sheet metal 21 and lower sheet metal 22; Under the tension force effect of metal elastic part, sheet metal 21 and flange 11 are offseted, lower sheet metal 22 offsets with the positive/negative pole 2 of electrokinetic cell, realizes whole metal pretension syndeton and realizes being electrically connected with the positive/negative pole 2 of electrokinetic cell.
Described metal elastic part is spiral spring 23 or corrugated spring 24.When adopting spiral spring 23, the two ends up and down of spiral spring 23, are welded on sheet metal 21 and lower sheet metal 22 respectively accordingly.When adopting corrugated spring 24, the crest up and down of corrugated spring 24, contacts with upper sheet metal 21 and lower sheet metal 22 respectively accordingly; A wave soldering is had at least on upper sheet metal 21 or lower sheet metal 22 in described upper and lower crest.
Pretension link for power battery post described in the utility model, also comprises one for being fixed on the insulation board 3 above electrokinetic cell 4.The electrokinetic cell 4 of anticipating shown in Fig. 1, is actually the battery pack be made up of multiple cell, and metal pretension syndeton 20 and battery positive/negative pole 2 local annexation is only shown in Fig. 1.Described insulating element 1 is fixed and is distributed on insulation board 3, and the position of the positive/negative pole that its position distributed is to be connected with each electrokinetic cell 5 is corresponding; At the through hole that the position corresponding to the containing hole 1-1 bottom holddown groove 12 offers, the positive/negative pole of each electrokinetic cell is passed and stretches in containing hole 1-1, make it contact with lower sheet metal 22, realize whole metal pretension syndeton and realize being electrically connected with the positive/negative pole 2 of electrokinetic cell.
As mentioned above, just the utility model can be realized preferably.
Execution mode of the present utility model is not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present utility model and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (8)
1. the pretension link for power battery post, it is characterized in that: comprise the insulating element (1) that is arranged on the positive/negative pole of electrokinetic cell (2) top, this insulating element (1) has a holddown groove (12), and the top of holddown groove (12) has the flange (11) extended internally; The bottom of holddown groove (12) offers the containing hole (1-1) of the positive/negative pole of electrokinetic cell (2); The metal pretension syndeton (20) for crimping the positive/negative pole of electrokinetic cell (2) is provided with in described holddown groove (12).
2. the pretension link for power battery post according to claim 1, it is characterized in that: described metal pretension syndeton (20) comprises sheet metal (21), lower sheet metal (22), and is placed in the metal elastic part between sheet metal (21) and lower sheet metal (22);
Under the tension force effect of metal elastic part, sheet metal (21) and flange (11) are offseted, lower sheet metal (22) and the positive/negative pole of electrokinetic cell (2) offset, and realize whole metal pretension syndeton and realize being electrically connected with the positive/negative pole of electrokinetic cell (2).
3. the pretension link for power battery post according to claim 2, is characterized in that: described metal elastic part is spiral spring (23).
4. the pretension link for power battery post according to claim 2, is characterized in that: described metal elastic part is corrugated spring (24).
5. the pretension link for power battery post according to claim 3, it is characterized in that: the described pretension link for power battery post, also comprise one for being fixed on the insulation board (3) of electrokinetic cell (4) top, described insulating element (1) is fixed and is distributed on insulation board (3), and the position of the positive/negative pole that its position distributed is to be connected with each electrokinetic cell (5) is corresponding; At the through hole that the position of the containing hole (1-1) corresponding to holddown groove (12) bottom offers, the positive/negative pole of each electrokinetic cell is passed and stretches in containing hole (1-1), make it contact with lower sheet metal (22), realize whole metal pretension syndeton and realize being electrically connected with the positive/negative pole of electrokinetic cell (2).
6. the pretension link for power battery post according to claim 4, it is characterized in that: the described pretension link for power battery post, also comprise one for being fixed on the insulation board (3) of electrokinetic cell (4) top, described insulating element (1) is fixed and is distributed on insulation board (3), and the position of the positive/negative pole that its position distributed is to be connected with each electrokinetic cell is corresponding; At the through hole that the position of the containing hole (1-1) corresponding to holddown groove (12) bottom offers, the positive/negative pole of each electrokinetic cell is passed and stretches in containing hole (1-1), make it contact with lower sheet metal (22), realize whole metal pretension syndeton and realize being electrically connected with the positive/negative pole of electrokinetic cell (2).
7. the pretension link for power battery post according to claim 3, it is characterized in that: the two ends up and down of described spiral spring (23), be welded on accordingly respectively on sheet metal (21) and lower sheet metal (22).
8. the pretension link for power battery post according to claim 4, it is characterized in that: the crest up and down of described corrugated spring (24), contact with upper sheet metal (21) and lower sheet metal (22) accordingly respectively; A wave soldering is had at least on upper sheet metal (21) or lower sheet metal (22) in described upper and lower crest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737651.9U CN205211828U (en) | 2015-09-22 | 2015-09-22 | A pretension adapting unit for power battery utmost point post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737651.9U CN205211828U (en) | 2015-09-22 | 2015-09-22 | A pretension adapting unit for power battery utmost point post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211828U true CN205211828U (en) | 2016-05-04 |
Family
ID=55849527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737651.9U Expired - Fee Related CN205211828U (en) | 2015-09-22 | 2015-09-22 | A pretension adapting unit for power battery utmost point post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161664A (en) * | 2015-09-22 | 2015-12-16 | 华南理工大学 | Pre-tightening connecting part used for power battery pole column |
| CN108666451A (en) * | 2017-03-30 | 2018-10-16 | 奥动新能源汽车科技有限公司 | Power battery module |
-
2015
- 2015-09-22 CN CN201520737651.9U patent/CN205211828U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161664A (en) * | 2015-09-22 | 2015-12-16 | 华南理工大学 | Pre-tightening connecting part used for power battery pole column |
| CN108666451A (en) * | 2017-03-30 | 2018-10-16 | 奥动新能源汽车科技有限公司 | Power battery module |
| CN108666451B (en) * | 2017-03-30 | 2021-05-25 | 奥动新能源汽车科技有限公司 | Power battery module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5976340B2 (en) | Method for manufacturing prismatic secondary battery | |
| CN106469822B (en) | Battery pack and device for connecting batteries | |
| US10014497B2 (en) | Pouch-type secondary battery including sealed part having recess | |
| KR100908569B1 (en) | Manufacturing method of battery module | |
| CN101604737B (en) | Secondary battery | |
| JP6086442B2 (en) | Rotating jig for battery cells and method for welding battery cells using the same | |
| US10115958B2 (en) | Manufacturing method of electric storage device and electric storage device | |
| CN101997136A (en) | Secondary battery and method of manufacturing the same | |
| CN108258180B (en) | Current collecting member and battery | |
| US20120088143A1 (en) | Carrier Matrix for Battery Cell Connectors | |
| KR102158363B1 (en) | Battery module with improved connecting structure between electrode leads and manufacturing method thereof | |
| WO2009038320A1 (en) | Module pack for secondary battery | |
| JP2010016043A (en) | Electric storage device | |
| DE112011101990T5 (en) | battery | |
| US20120177969A1 (en) | Battery module | |
| CN101651186A (en) | Method for assembling lugs and cover plate of battery | |
| KR102427427B1 (en) | Battery, battery pack having same and electric vehicle | |
| US20120183831A1 (en) | Energy storage module and method for manufacturing the same | |
| CN205211828U (en) | A pretension adapting unit for power battery utmost point post | |
| KR20090095951A (en) | Middle and Large-Sized Battery Module Having Electrode Terminal Connecting Member and Insulating Joint Member | |
| US8993155B2 (en) | Prismatic secondary battery | |
| KR102102491B1 (en) | Cap-assembly of litium ion battery with high capacity and power | |
| KR101302358B1 (en) | Battery Cell of Improved Connection Reliability and Battery Module Employed with the Same | |
| KR101416763B1 (en) | Terminal of Electric Energy Storage Device And Assembling Method thereof | |
| CN105161664A (en) | Pre-tightening connecting part used for power battery pole column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20180922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |