CN205248386U - Lithium ion battery module with high structural strength - Google Patents
Lithium ion battery module with high structural strength Download PDFInfo
- Publication number
- CN205248386U CN205248386U CN201520959222.6U CN201520959222U CN205248386U CN 205248386 U CN205248386 U CN 205248386U CN 201520959222 U CN201520959222 U CN 201520959222U CN 205248386 U CN205248386 U CN 205248386U
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- Prior art keywords
- jumper
- heat conduction
- arm
- cutting ferrule
- pair
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- 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion battery module with high structural strength adopts a plurality of battery cell, a plurality of conducting shell, a pair of arm -tie structure, a pair of bandage and two couples of fastening piece group to become. The utility model discloses have good mechanical properties, compare and have better resistant vibration characteristic in prior art to follow the structural battery operational environment that has improved, prolonged battery module's life. And simultaneously, the utility model discloses total positive jumper that the arm -tie structure contains, the top surface of always bearing the jumper narrow down the department and have all set up great radial fillet, can reduce effectively and jolt under the operating mode, total positive jumper, always bear the possibility that the jumper produced fatigue fracture. The utility model discloses a lithium ion battery module that the aforesaid has a high strength structural characteristic can effectively reduce arm -tie and battery cell's reversal phenomenon, total positive jumper of protection and total negative jumper to make abominable operating modes such as the lithium ion battery pair of module jolts have better adaptability.
Description
Technical field
The utility model relates to technical field of lithium ion, is specifically related to a kind of lithium ionic cell module with high structural strength.
Background technology
In conventional battery modules, cell is placed between the arm-tie of two ends by heat conduction shell is coated, tightens up formation module by bandage, the positive pole of module and negative pole by just always welding or always negative jumper draw. The bandage that conventional battery modules adopts tightens up fastening means, between cell and cell, between cell and arm-tie, frictionally interfixes, but under actual operating mode, because long-time vibrations can cause bandage to fluff, and then arm-tie and cell misplace at vertical direction, the total positive jumper of module, always negative jumper cross section narrow part also can stress be concentrated and fatigue fracture.
The total positive jumper of module, always negative jumper between arm-tie and cell, it is the bridge that connects cell and high voltage cable, it connects the integrality in whether unimpeded directly impact whole battery system loop, so in the time designing total positive contact pin, always bear jumper, must consider that it has higher structural strength. Therefore, develop a kind of lithium ionic cell module of high structural strength necessary.
Summary of the invention
The purpose of this utility model is to provide a kind of lithium ionic cell module with high structural strength, adopts multiple cells, multiple heat conduction shell, a pair of pulling plate structure, a pair of bandage and two pairs of securing member compositions. The utlity model has good mechanical performance, there is better vibration resistance characteristic than prior art, and improved battery operated environment from structure, extended the service life of battery module. Meanwhile, total positive jumper that the utility model pulling plate structure comprises, always the end face narrow part of negative jumper is provided with the fillet of relatively large radius, can effectively reduce under the operating mode of jolting, and total positive jumper, always negative jumper produces the possibility of fatigue fracture.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A lithium ionic cell module with high structural strength, is characterized in, this lithium ionic cell module comprises:
Multiple cells;
Multiple heat conduction shells, close-packed arrays setting; In each described heat conduction shell, be provided with corresponding described cell;
A pair of pulling plate structure, described in one of them, pulling plate structure is arranged on one end of described multiple heat conduction shells, and described in another, pulling plate structure is arranged on the other end of described multiple heat conduction shells;
A pair of bandage, spacer sleeve is located at described a pair of pulling plate structure outer end respectively, and with this, pulling plate structure, described multiple heat conduction shells is connected and fixed.
Preferably, each described pulling plate structure comprises:
Arm-tie, arranges with one end close-packed arrays of corresponding described multiple heat conduction shells;
A pair of cutting ferrule, is symmetricly set on respectively on described arm-tie top, and with this, compact arranged described heat conduction shell of cutting ferrule two ends is connected respectively;
Total positive jumper, is arranged on described arm-tie top, and is connected with the positive pole of described total positive compact arranged described cell of jumper;
Total negative jumper, is arranged on described arm-tie top, and is connected with the negative pole of described total negative compact arranged described cell of jumper.
Preferably, each described cutting ferrule comprises:
Gasket construction, it is circular that cross section is, and described gasket construction is fixedly connected with corresponding described arm-tie top;
Cutting ferrule body, described cutting ferrule body bottom is arranged on described gasket construction;
Latch structure, is arranged on described cutting ferrule body, and is arranged in one end corresponding with the compact arranged described heat conduction shell of this cutting ferrule.
Preferably, each described latch structure cross section is rectangular, and Passivation Treatment is all passed through at four angles of the square-section of this latch structure.
Preferably, this lithium ionic cell module also comprises: two pairs of securing members; Each described securing member is arranged in the gasket construction of corresponding described cutting ferrule, and is fixedly connected with corresponding described arm-tie.
Preferably, each described total positive jumper or always negative jumper adopt welding manner to be connected with the positive pole of described multiple cells;
Described total positive jumper or the always end face of negative jumper are convex shape, and this total positive jumper end face or always the cross section narrow part of negative jumper end face are provided with a pair of the first fillet.
The utility model compared with prior art has the following advantages:
The disclosed a kind of lithium ionic cell module with high structural strength of the utility model, adopts multiple cells, multiple heat conduction shell, a pair of pulling plate structure, a pair of bandage and two pairs of securing member compositions. The utlity model has good mechanical performance, there is better vibration resistance characteristic than prior art, and improved battery operated environment from structure, extended the service life of battery module. Meanwhile, total positive jumper that the utility model pulling plate structure comprises, always the end face narrow part of negative jumper is provided with the fillet of relatively large radius, can effectively reduce under the operating mode of jolting, and total positive jumper, always negative jumper produces the possibility of fatigue fracture. The utility model adopts the above-mentioned lithium ionic cell module with high-strength structure characteristic can effectively reduce the inconsistent phenomenon of arm-tie and cell; the total positive jumper of protection and total negative jumper, and make lithium ionic cell module there is better adaptability to the bad working environments such as jolt.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of a kind of lithium ionic cell module with high structural strength of the utility model.
Fig. 2 is one of partial structurtes schematic diagram of a kind of lithium ionic cell module with high structural strength of the utility model.
Fig. 3 be a kind of lithium ionic cell module with high structural strength of the utility model partial structurtes schematic diagram two.
Fig. 4 is the ferrule structure schematic diagram of a kind of lithium ionic cell module with high structural strength of the utility model.
Fig. 5 a is the total positive jumper structural representation of a kind of lithium ionic cell module with high structural strength of the utility model.
Fig. 5 b is the total negative jumper structural representation of a kind of lithium ionic cell module with high structural strength of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1-Figure 3, a kind of lithium ionic cell module with high structural strength, this lithium ionic cell module comprises: multiple cells 1, multiple heat conduction shell 2, a pair of pulling plate structure 3 and a pair of bandage 4.
Wherein, multiple heat conduction shell 2 close-packed arrays settings; In each heat conduction shell 2, be provided with corresponding cell 1. A pulling plate structure 3 in a pair of pulling plate structure 3 is arranged on one end of multiple heat conduction shells 2, and another pulling plate structure 3 is arranged on the other end of multiple heat conduction shells 2. A pair of bandage 4 respectively spacer sleeve is located at a pair of pulling plate structure 3 outer ends, and with this, pulling plate structure 3, multiple heat conduction shell 2 is connected and fixed.
In the utility model, multiple heat conduction shells 2, a pair of pulling plate structure 3 are tightened up formation lithium ionic cell module by a pair of bandage 4. Positive pole, the negative pole of this lithium ionic cell module are drawn after welding with a pair of pulling plate structure 3.
As shown in Figure 2 and Figure 3, each pulling plate structure 3 comprises: arm-tie 31, a pair of cutting ferrule 32, total positive jumper 33 and always negative jumper 34.
Wherein, each arm-tie 31 arranges with one end close-packed arrays of corresponding multiple heat conduction shells 2; A pair of cutting ferrule 32 is symmetricly set on respectively on corresponding arm-tie 31 tops, and with this, compact arranged heat conduction shell of cutting ferrule 32 2 two ends is connected respectively. Total positive jumper 33 is arranged on arm-tie 31 tops, and is connected with the positive pole of this total positive compact arranged cell 1 of jumper 33. Total negative jumper 34 is arranged on arm-tie 31 tops, and is connected with the negative pole of this always negative compact arranged cell 1 of jumper 34.
As shown in Figure 4, each cutting ferrule 32 comprises: gasket construction 321, cutting ferrule body 322 and latch structure 323. Wherein, gasket construction 321 cross sections are circular, and gasket construction 321 is fixedly connected with corresponding arm-tie 31 tops. Cutting ferrule body 322 bottoms are arranged on gasket construction 321. Latch structure 323 is arranged on cutting ferrule body 322, and is arranged in one end corresponding with the compact arranged heat conduction shell 2 of this cutting ferrule 32.
As shown in Figure 1-Figure 3, this lithium ionic cell module also comprises: two pairs of securing members 5. Each securing member 5 is arranged in the gasket construction 321 of corresponding cutting ferrule 32, and is fixedly connected with corresponding arm-tie 31.
In the present embodiment, bolt, as securing member 5, adopts mechanical connection manner by securing member 5, cutting ferrule 32 to be fixed on arm-tie 31, makes to have higher structural strength between cutting ferrule 32 and arm-tie 31.
As shown in Figure 4, each latch structure 323 cross sections are rectangular, and Passivation Treatment is all passed through at four angles of the square-section of this latch structure 323.
In the utility model, each latch structure 323 inserts in corresponding heat conduction shell 2. Because Passivation Treatment is all passed through at four angles of the square-section of latch structure 323, make the latch structure 323 of cutting ferrule 32 corresponding with the shape in heat conduction shell 2 overhead on the one hand, can prevent that on the other hand cutting ferrule 32 from rotating.
In the present embodiment, cutting ferrule 32 can be at the relative position of the horizontal direction of lithium ionic cell module and the fixing arm-tie 31 of vertical direction and heat conduction shell 2, can effectively increase stability and the adaptive capacity of lithium ionic cell module, cutting ferrule 32 adopts Q235 Steel material to make, thereby can meet the requirement that lithium ionic cell module is lightweight, simple in structure, be easy to processing and vibration resistance.
As shown in Figure 5 a, in the utility model, each total positive jumper 33 adopts welding manner to be connected with the positive pole of multiple cells 1. The end face of total positive jumper 33 is convex shape, and cross section of these total positive jumper 33 end faces is provided with a pair of the first fillet 331 at narrow part, and the radius of each the first fillet 331 requires enough large, can bear the stress that cross section narrow part produces when stressed concentrated.
In the present embodiment, one end of each total positive jumper 33 adopts welding manner to be connected with the positive pole of multiple cells 1, and the other end of this total positive jumper 33 is connected with external high pressure line by screw fastening.
As shown in Figure 5 b, in the utility model, each total negative jumper 34 is drawn after adopting welding manner that this always negative jumper 34 is connected with the negative pole of multiple cells 1. The end face of total negative jumper 33 is convex shape, this always cross section of negative jumper 33 end faces be provided with a pair of the second fillet 341 at narrow part, the radius of each the second fillet 341 requires enough large, can bear the stress that cross section narrow part produces when stressed concentrated.
In the present embodiment, one end of each total negative jumper 34 adopts welding manner to be connected with the negative pole of multiple cells 1, and this other end of always bearing jumper 34 is connected with external high pressure line by screw fastening.
In the present embodiment, because each total positive jumper 33 end faces are at the radius of the first fillet 331 of narrow part, make each total positive jumper 33 in use can reduce the possibility of fatigue fracture under the operating mode of jolting. In like manner known, because each total negative jumper 34 end faces are at the radius of the second fillet 341 of narrow part, make each total negative jumper 34 in use can reduce the possibility of fatigue fracture under the operating mode of jolting. Also, above-mentioned design of the present utility model, can make lithium ionic cell module entirety can adapt to well violent vibration operating mode, improves service life.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model. Read after foregoing those skilled in the art, for multiple amendment of the present utility model and substitute will be all apparent. Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. a lithium ionic cell module with high structural strength, is characterized in that, this lithium ionic cell module comprises:
Multiple cells;
Multiple heat conduction shells, close-packed arrays setting; In each described heat conduction shell, be provided with corresponding described cell;
A pair of pulling plate structure, described in one of them, pulling plate structure is arranged on one end of described multiple heat conduction shells, and described in another, pulling plate structure is arranged on the other end of described multiple heat conduction shells;
A pair of bandage, spacer sleeve is located at described a pair of pulling plate structure outer end respectively, and with this, pulling plate structure, described multiple heat conduction shells is connected and fixed.
2. the lithium ionic cell module with high structural strength as claimed in claim 1, is characterized in that, each described pulling plate structure comprises:
Arm-tie, arranges with one end close-packed arrays of corresponding described multiple heat conduction shells;
A pair of cutting ferrule, is symmetricly set on respectively on described arm-tie top, and with this, compact arranged described heat conduction shell of cutting ferrule two ends is connected respectively;
Total positive jumper, is arranged on described arm-tie top, and is connected with the positive pole of described total positive compact arranged described cell of jumper;
Total negative jumper, is arranged on described arm-tie top, and is connected with the negative pole of described total negative compact arranged described cell of jumper.
3. the lithium ionic cell module with high structural strength as claimed in claim 2, is characterized in that, each described cutting ferrule comprises:
Gasket construction, it is circular that cross section is, and described gasket construction is fixedly connected with corresponding described arm-tie top;
Cutting ferrule body, described cutting ferrule body bottom is arranged on described gasket construction;
Latch structure, is arranged on described cutting ferrule body, and is arranged in one end corresponding with the compact arranged described heat conduction shell of this cutting ferrule.
4. the lithium ionic cell module with high structural strength as claimed in claim 3, is characterized in that, each described latch structure cross section is rectangular, and Passivation Treatment is all passed through at four angles of the square-section of this latch structure.
5. the lithium ionic cell module with high structural strength as claimed in claim 3, is characterized in that, this lithium ionic cell module also comprises: two pairs of securing members; Each described securing member is arranged in the gasket construction of corresponding described cutting ferrule, and is fixedly connected with corresponding described arm-tie.
6. the lithium ionic cell module with high structural strength as claimed in claim 2, is characterized in that, each described total positive jumper or described total negative jumper adopt welding manner to be connected with the positive pole of described cell;
The end face cross section of described total positive jumper or described total negative jumper is convex shape, and the cross section narrow part of this total positive jumper end face or this always negative jumper end face is provided with a pair of the first fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959222.6U CN205248386U (en) | 2015-11-27 | 2015-11-27 | Lithium ion battery module with high structural strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959222.6U CN205248386U (en) | 2015-11-27 | 2015-11-27 | Lithium ion battery module with high structural strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248386U true CN205248386U (en) | 2016-05-18 |
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ID=55947462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520959222.6U Expired - Fee Related CN205248386U (en) | 2015-11-27 | 2015-11-27 | Lithium ion battery module with high structural strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052005A1 (en) * | 2019-09-20 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack and vehicle |
-
2015
- 2015-11-27 CN CN201520959222.6U patent/CN205248386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052005A1 (en) * | 2019-09-20 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack and vehicle |
| US11811083B2 (en) | 2019-09-20 | 2023-11-07 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack and vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20191127 |