CN203644862U - Assembly structure of power battery module - Google Patents
Assembly structure of power battery module Download PDFInfo
- Publication number
- CN203644862U CN203644862U CN201320677991.8U CN201320677991U CN203644862U CN 203644862 U CN203644862 U CN 203644862U CN 201320677991 U CN201320677991 U CN 201320677991U CN 203644862 U CN203644862 U CN 203644862U
- Authority
- CN
- China
- Prior art keywords
- assembly structure
- cylindrical connector
- module assembly
- cell
- cell module
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 238000005476 soldering Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000648 terne Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Images
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
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides an assembly structure of a power battery module. The assembly structure comprises a battery module, a connecting component, a printed circuit board and contact pins, wherein the battery module comprises at least two single batteries which are connected with each other; the connecting component is coupled to the anodes and cathodes of the single batteries and is used for limiting the positions of the single batteries, and the connecting component comprises a circular connector; the printed circuit board is connected with the circular connector and is used for fixing the circular connector; the contact pins are connected with the anodes and cathodes of the single batteries and are respectively inserted to two ends of the circular connector.
Description
Technical field
The utility model relates to a kind of electrokinetic cell module assembly structure.
Background technology
At present, the connection in series-parallel that the connection of electrokinetic cell adopts screw bolt and nut to realize between cell mostly carrys out assembling manufacturing large-capacity power lithium battery.Its shortcoming is, lead-out terminal uses screw bolt and nut to connect, and easily causes Joint failure because vehicle vibrations are loosening, thereby affects power brick bulk life time and safety, greatly shortens motor vehicle cruising time.In addition very loaded down with trivial details when the battery of this structure is assembled, installation and maintenance cost is high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electrokinetic cell module assembly structure, has solved bolted battery modules due to vehicle vibrating failure, installation and maintenance and loaded down with trivial details problem thereof.
To this, the utility model provides a kind of electrokinetic cell module assembly structure, comprising: battery module, comprises multiple interconnective cells; Coupling assembling, is coupled in described multiple cell both positive and negative polarity, for limiting the position of described cell, comprising: cylindrical connector; Printed circuit board (PCB), is connected with described cylindrical connector, for fixing described cylindrical connector; Contact pin, is connected with described cell both positive and negative polarity, and inserts respectively the two ends of described cylindrical connector.
Preferably, described multiple cell adopts serial or parallel connection mode to connect.
Preferably, described cell adopts circular batteries.
Preferably, described cell adopts rectangular cell.
Preferably, described cylindrical connector adopts wave-soldering mode to be connected with described printed circuit board (PCB).
Preferably, described printed circuit board (PCB) can be replaced by copper bar.
Preferably, described cylindrical connector adopts the mode of pressing to be connected with described copper bar.
Preferably, described contact pin adopts welding manner to be connected with described multiple cell both positive and negative polarities.
Preferably, described cylindrical connector comprises: connector shell; Reed, is connected with described contact pin; Support ring, is connected with described connector shell and reed, for realizing the electric connection of described connector shell and reed and reinforcing described cylindrical connector.
Wherein, wave-soldering refers to the solder of fusing, as terne metal, become the solder wave of designing requirement through electrodynamic pump or electromagnetic pump jet flow, also can be by forming to solder pot nitrogen injection, make the printed circuit board that cylindrical connector is housed in advance by solder wave, realize machinery and the solder being electrically connected between cylindrical connector welding end and printed circuit board pad; Form a lap welding material at cylindrical connector and printed circuit board (PCB) delivery position; Press is make copper bar generation plastic deformation and described copper bar and cylindrical connector are linked together in the effect of pressure.
In connection between cell, contact resistance is a very important characteristic, and contact resistance is larger, and the thermal power that battery pack consumes in the time of work is just larger.And the size of contact resistance and contact are inversely proportional to, traditional bolt is connected to and under Vehicular vibration, easily produces the phenomenon that bolt gets loose, its contact is zero substantially like this, will cause so very large contact resistance, produce larger thermal power, gently consuming cells capacity also can cause burning or blast in heavy-current discharge situation.
Adopt technique scheme, replace bolt with cylindrical connector and connect, utilize wave-soldering that cylindrical connector is soldered to printed circuit board (PCB), use copper bar only cylindrical connector need be pressed on copper bar; Contact pin is soldered to cell both positive and negative polarity, and under cell is fixing in battery case the inside, two contact pins that connect cell wear cylindrical connector, and between contact pin and cylindrical connector, elasticity is connected; Insert printed circuit board (PCB) or the copper bar with cylindrical connector by cell; This structure can be because of the generation of vibration phenomenon that gets loose.
Compared with prior art, the utility model has the advantage of, the utility model can with realize multiple cell connection in series-parallel by a printed circuit board (PCB) with cylindrical connector and be connected, the screw bolt of abandoning tradition connects completely, adopt cylindrical connector, its inside is with wear-resisting wiping, anti-vibration, the reed structure of low contact resistance, there is not the problem that produces contact resistance increase because of vibration in link position, solve traditional power battery completely and connected the quality problems that cause because of vibration, the mode that cylindrical connector connects, except resistance to repeatedly plug, its anti-vibration ability is also very outstanding, installation and maintenance and convenient and quick, connect different from traditional bolt, this connected mode only need be inserted the cell group assembling by the busbar with splicing ear, an action completes the connection in series-parallel connection between multiple cells, just can solve the work that traditional assembling mode just can complete for 1 minute one second, the height of visible its efficiency.Quality of connection, security reliability is higher.Owing to adopting reed cylindrical connector, its connected mode is very reliable, and has reduced contact resistance; Add that assembling mode is extremely convenient, avoided the bindiny mechanism of a lot of complexity, so more have superiority in fail safe and quality control.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model;
Fig. 3 is the structural representation of the another kind of embodiment of the utility model;
Fig. 4 is the structural representation of the another kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail:
As shown in Figures 1 to 4, battery module 1, comprises at least two interconnective cells 11; Coupling assembling 2, is coupled in described cell 11 both positive and negative polarities, for limiting the position of described cell 11, comprising: cylindrical connector 21; Printed circuit board (PCB) 22, is connected with described cylindrical connector 21, for fixing described cylindrical connector 21; Contact pin 23, is connected with described cell 11 both positive and negative polarities, and inserts respectively described cylindrical connector 21 two ends.
Preferably, between described cell 11, adopt serial or parallel connection mode to connect.
Preferably, described cell 11 adopts circular batteries.
Preferably, described cell 11 adopts rectangular cell.
Preferably, described cylindrical connector 21 adopts wave-soldering mode to be connected with described printed circuit board (PCB) 22.
Preferably, described printed circuit board (PCB) 22 can be replaced by copper bar.
Preferably, described cylindrical connector 21 adopts the mode of pressing to be connected with described copper bar.
Preferably, described contact pin 23 adopts welding manner to be connected with described cell 11 both positive and negative polarities.
Preferably, described cylindrical connector 21 comprises: connector shell 211; Reed 212, is connected with described contact pin 23; Support ring 213, is connected with described connector shell 211 and reed 212, for realizing the electric connection of described connector shell 211 and reed 212 and reinforcing described cylindrical connector 21.
Wherein, wave-soldering refers to the solder of fusing, as terne metal, become the solder wave of designing requirement through electrodynamic pump or electromagnetic pump jet flow, also can be by forming to solder pot nitrogen injection, make the printed circuit board 22 that cylindrical connector 21 is housed in advance by solder wave, realize machinery and the solder being electrically connected between cylindrical connector 21 welding ends and printed circuit board 22 pads, form a lap welding material 24 at cylindrical connector 21 and printed circuit board (PCB) 22 delivery positions; Press and make copper bar generation plastic deformation and described copper bar and cylindrical connector 21 are linked together in the effect of pressure exactly.
In connection between cell 11, contact resistance is a very important characteristic, and contact resistance is larger, and the thermal power that battery pack consumes in the time of work is just larger.And the size of contact resistance and contact are inversely proportional to, traditional bolt is connected to and under Vehicular vibration, easily produces the phenomenon that bolt gets loose, its contact is zero substantially like this, will cause so very large contact resistance, produce larger thermal power, gently consuming cells capacity also can cause burning or blast in heavy-current discharge situation.
Adopt technique scheme, replace bolt with cylindrical connector 21 and connect, utilize wave-soldering that cylindrical connector 21 is soldered to printed circuit board (PCB) 22, use copper bar only cylindrical connector 21 need be pressed on copper bar; Contact pin 23 is soldered to cell 11 both positive and negative polarities, and under cell 11 is fixing in battery case the inside, two contact pins 23 that connect cell 11 wear cylindrical connector 21, and between contact pin 23 and cylindrical connector 21, elasticity is connected; Insert printed circuit board (PCB) 22 or the copper bar with cylindrical connector 21 by cell 11; This structure can be because of the generation of vibration phenomenon that gets loose.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (9)
1. an electrokinetic cell module assembly structure, is characterized in that, comprising:
Battery module (1), comprises at least two interconnective cells (11);
Coupling assembling (2), is coupled in described cell (11) both positive and negative polarity, for limiting the position of described cell (11), comprising:
Cylindrical connector (21);
Printed circuit board (PCB) (22), is connected with described cylindrical connector (21), for fixing described cylindrical connector (21); Contact pin (23), is connected with described cell (11) both positive and negative polarity, and inserts respectively the two ends of described cylindrical connector (21).
2. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, between described cell (11), adopts serial or parallel connection mode to connect.
3. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described cell (11) adopts circular batteries.
4. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described cell (11) adopts rectangular cell.
5. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described cylindrical connector (21) adopts wave-soldering mode to be connected with described printed circuit board (PCB) (22).
6. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described printed circuit board (PCB) (22) can be replaced by copper bar.
7. electrokinetic cell module assembly structure as claimed in claim 6, is characterized in that, described cylindrical connector (21) adopts the mode of pressing to be connected with described copper bar.
8. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described contact pin (23) adopts welding manner to be connected with described cell (11) both positive and negative polarity.
9. electrokinetic cell module assembly structure as claimed in claim 1, is characterized in that, described cylindrical connector (21) comprising: connector shell (211); Reed (212), is connected with described contact pin (23); Support ring (213), be connected with described connector shell (211) and reed (212), for realizing the electric connection of described connector shell (211) and reed (212) and reinforcing described cylindrical connector (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677991.8U CN203644862U (en) | 2013-10-25 | 2013-10-25 | Assembly structure of power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677991.8U CN203644862U (en) | 2013-10-25 | 2013-10-25 | Assembly structure of power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644862U true CN203644862U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320677991.8U Expired - Fee Related CN203644862U (en) | 2013-10-25 | 2013-10-25 | Assembly structure of power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
-
2013
- 2013-10-25 CN CN201320677991.8U patent/CN203644862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
| CN107611327B (en) * | 2017-08-25 | 2023-06-09 | 大连中比动力电池有限公司 | Lithium ion battery module and battery pack |
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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 |
Granted publication date: 20140611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |