CN210668468U - Low-cost high-efficient radiating group battery - Google Patents
Low-cost high-efficient radiating group battery Download PDFInfo
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- CN210668468U CN210668468U CN201921660065.3U CN201921660065U CN210668468U CN 210668468 U CN210668468 U CN 210668468U CN 201921660065 U CN201921660065 U CN 201921660065U CN 210668468 U CN210668468 U CN 210668468U
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- shell
- heat
- battery pack
- buffer layer
- low cost
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 70
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 238000010030 laminating Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 2
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a low-cost high-efficiency heat-radiating battery pack, which comprises a shell and a plurality of lithium batteries correspondingly arranged in the shell, wherein a heat-conducting layer is arranged between the left side or the right side of all the lithium batteries and the shell, and the right side or the left side of all the lithium batteries is matched with the heat-conducting layer between the shell to be provided with a compensation unit; the tops of all lithium batteries are provided with a PCB, and the PCB is matched with the lugs of the corresponding lithium batteries through a plurality of spiral bus bars. The utility model discloses form the pre-pressure to module, heat-conducting layer and shell with the compensation unit, impel to contact well between electric core side, heat-conducting layer and the shell, set up radiating fin through cooperating the heat-conducting layer on the shell, establish complete heat conduction route, realize the high-efficient heat dissipation of low cost; the mechanical impact resistance and the falling damage resistance of the battery pack are integrally improved through the first buffer layer, the second buffer layer, the third buffer layer and even the compensation unit, and the mechanical safety is improved; the utility model discloses simple structure, low cost, assembly efficiency are high, easily realize mass production.
Description
Technical Field
The present invention relates to a method or apparatus for directly converting chemical energy into electrical energy, for example, in the field of battery pack technology, and more particularly, to a battery pack with low cost and high efficiency for heat dissipation.
Background
At present, under the support of the country and the interest of the market, the power lithium battery industry develops very rapidly, and the application of the power lithium battery industry is expanded to the fields of electric buses, electric cars, micro buses, energy storage and the like.
With the development of lithium battery technology, lithium batteries have been rapidly introduced into various market of electric bicycles, electric motorcycles, etc. due to their characteristics of good capacity, rate, long life, practicality, etc., however, compared with traditional lead-acid, nickel-hydrogen, nickel-cadmium battery packs, their cost is high, and due to the cost limitation, it is impossible to apply high-cost heat management technologies such as air cooling, liquid cooling, etc., how to reduce the cost as much as possible while ensuring the high performance of the lithium battery pack, and ensure the thermal stability thereof is a technical problem that needs to be solved urgently in the industry, which is the key for the power lithium batteries to fully exert their functions.
SUMMERY OF THE UTILITY MODEL
In order to solve existence among the prior art, compare in traditional lead acid, nickel-hydrogen, nickel cadmium battery group, lithium cell cost itself is comparatively high, and because the high of cost, further leaded to again and can't utilize costly heat management technique, the unable guarantee of performance of lithium cell, the unable problem of guaranteeing of thermal stability, the utility model provides a optimize the radiating group battery of low-cost high efficiency of structure.
The technical scheme adopted by the utility model is that the battery pack with low cost and high heat dissipation efficiency comprises a shell and a plurality of lithium batteries correspondingly arranged in the shell, wherein heat conduction layers are arranged between the left sides or the right sides of all the lithium batteries and the shell, and compensation units are arranged between the right sides or the left sides of all the lithium batteries and the shell in a matching way and are matched with the heat conduction layers; all the top of lithium cell is equipped with the PCB board, the PCB board is arranged through the utmost point ear cooperation of a plurality of spiral shell female rows with the lithium cell that corresponds.
Preferably, the compensation unit is an inflatable air bag, and the inflatable air bag is respectively attached to all the lithium batteries and the inner wall of the shell.
Preferably, all the front end and the rear end of lithium cell are equipped with first buffer layer, first buffer layer sets up with the lithium cell of the front end or rear end that correspond and the inner wall laminating of shell respectively.
Preferably, the first buffer layers are strip-shaped, and the strip-shaped first buffer layers are attached to the front ends and the rear ends of all the lithium batteries.
Preferably, a PCB protection board is arranged on the top of the PCB board.
Preferably, the top of the PCB protection board is provided with a second buffer layer, and the second buffer layer is respectively attached to the PCB protection board and the inner wall of the shell.
Preferably, all the bottom of lithium cell is equipped with the third buffer layer, the third buffer layer sets up with the bottom of all lithium cells and the inner wall laminating of shell respectively.
Preferably, the housing comprises a hollow cylindrical shell, and the top and the bottom of the shell are respectively provided with a top cover and a bottom cover; the shell is fixedly connected with the top cover and the bottom cover through fixing pieces.
Preferably, the outer side of the shell is provided with a radiating fin.
Preferably, the heat dissipation fins are arranged on the outer side of the shell corresponding to the heat conduction layer.
The utility model provides a low-cost high-efficient radiating group battery of optimized structure, through setting up a plurality of lithium cells in the shell, dispel the heat with the heat-conducting surface of heat-conducting layer cooperation lithium cell, and regard as compressing tightly at the opposite side of lithium cell relative to heat-conducting layer with the compensation unit, further guaranteed the radiating effect; the top of the lithium battery is electrically connected by matching the lug with the PCB, so that the purpose of charging and discharging is achieved.
The beneficial effects of the utility model include:
(1) the battery cell side face, the heat conduction layer and the shell are well contacted under the action of pre-pressure formed by the compensation unit on the module, the heat conduction layer and the shell, and a complete heat conduction path is established by arranging the heat dissipation fins on the shell in a manner of matching with the heat conduction layer, so that efficient heat dissipation with low cost is realized;
(2) the mechanical impact resistance and the falling damage resistance of the battery pack are integrally improved through the first buffer layer, the second buffer layer, the third buffer layer and even the compensation unit, and the mechanical safety of the battery pack is improved;
(3) the utility model discloses simple structure, low cost, assembly efficiency are high, easily realize mass production.
Drawings
FIG. 1 is a schematic structural diagram of the overall explosion diagram of the present invention;
fig. 2 is a schematic structural diagram of an explosion diagram among the shell, the second buffer layer and the third buffer layer of the present invention;
fig. 3 is a schematic view of a top view angle structure of a lithium battery part according to the present invention;
fig. 4 is a schematic view of a bottom view angle structure of a lithium battery part according to the present invention;
fig. 5 is a schematic structural diagram of the battery pack according to the present invention in a partially assembled condition.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
The utility model relates to a low-cost high-efficient radiating group battery, including shell 1 and corresponding a plurality of lithium batteries 2 that locate the shell 1 inside, all be equipped with heat-conducting layer 3 between the left side or the right side of lithium battery 2 and shell 1, all the right side or the left side of lithium battery 1 cooperates heat-conducting layer 3 to be equipped with the compensation unit with shell 1; all the top of lithium cell 2 is equipped with PCB board 4, PCB board 4 arranges 5 and the utmost point ear cooperation setting of lithium cell 2 that corresponds through a plurality of spirals through a plurality of spiral shell.
The utility model discloses in, the group battery is whole to include shell 1 and a plurality of lithium cell 2 that set up side by side in it, lithium cell 2 arrange 5, with the position that utmost point ear and PCB board 4 correspond through the spiral shell, accomplish the electricity and connect and charge-discharge function.
The utility model discloses in to heat-conducting layer 3 cooperates the heat-conducting surface of lithium cell 2 to dispel the heat, and heat-conducting layer 3 covers all lithium cell 2's lateral part, and all lithium cell 2 evenly dispel the heat through the lateral part.
The utility model discloses in, under the general condition, heat-conducting layer 3 is thermal conductive plastic.
The utility model discloses in, in order to guarantee the heat conduction effect of heat-conducting layer 3, set up the compensation unit at all lithium cell 2's opposite side promptly, through the power of compensation unit to heat-conducting layer 3 for heat-conducting layer 3 and lithium cell 2 guarantee to hug closely, and the radiating efficiency is high.
The utility model discloses simple structure, low cost, assembly efficiency are high, easily realize mass production.
The compensation unit is an inflatable air bag 6, and the inflatable air bag 6 is respectively attached to all the lithium batteries 2 and the inner wall of the shell 1.
The utility model discloses in, through the precompression effect that the compensation unit formed module, heat-conducting layer 3 and shell 1, make the contact good between lithium cell 2's the electric core side, heat-conducting layer 3 and the shell 1.
The utility model discloses in, because in the shell 1 of difference and the lithium cell 2 of different models, the clearance distance between one side of lithium cell 2 dorsad heat-conducting layer 3 and shell 1 is different, so set up the compensation unit to inflatable gasbag 6, through aerifing gasbag 6, reach the filling effect of difference.
All the front end and the rear end of lithium cell 2 are equipped with first buffer layer 7, first buffer layer 7 sets up with the inner wall laminating of the lithium cell 2 of the front end or the rear end that correspond and shell 1 respectively.
The first buffer layers 7 are strip-shaped, and the strip-shaped first buffer layers 7 are attached to the front ends and the rear ends of the lithium batteries 2.
And a PCB protection plate 8 is arranged at the top of the PCB 4.
The top of the PCB protection board 8 is provided with a second buffer layer 9, and the second buffer layer 9 is respectively attached to the inner walls of the PCB protection board 8 and the shell 1.
All the bottom of lithium cell 2 is equipped with third buffer layer 10, third buffer layer 10 sets up with the bottom of all lithium cells 2 and the inner wall laminating of shell 1 respectively.
The utility model discloses in, through first buffer layer 7, second buffer layer 9, third buffer layer 10, even the compensation unit, wholly promote the anti mechanical shock of group battery, anti falling damage ability, promote the mechanical safety of group battery.
The utility model discloses in, it is complete with the circuit of PCB protection shield 8 protection PCB board 4, furtherly, reaches the effect of buffering with second buffer layer 9.
The utility model discloses in, under the general condition, first buffer layer 7, second buffer layer 9, third buffer layer 10 set up to the buffering bubble cotton.
The shell 1 comprises a hollow cylindrical shell, and the top and the bottom of the shell are respectively provided with a top cover 11 and a bottom cover 12; the shell is fixedly connected with the top cover 11 and the bottom cover 12 through fixing pieces.
And heat radiating fins 13 are arranged on the outer side of the shell.
The heat dissipation fins 13 are arranged on the outer side of the shell corresponding to the heat conduction layer 3.
The utility model discloses in, the mounting generally is the bolt to bolted connection casing and top cap 11 and bottom 12, guaranteed shell 1's intensity and complete.
The utility model discloses in, set up radiating fin 13 through cooperation heat-conducting layer 3 on shell 1, establish complete heat conduction path, realize the high-efficient heat dissipation of low-cost.
The utility model discloses an equipment includes following step:
step 1: stacking all the lithium batteries 2, connecting the lug of each lithium battery 2 to a PCB (printed circuit board) 4 through a corresponding nut row 5, and arranging the PCB protection plate 4 to obtain a pre-assembled battery assembly;
step 2: fixing the top cover 11 and the shell through a fixing piece; turning over until the top cover 11 faces downwards;
and step 3: placing a second buffer layer 9 at the bottom of a top cover 11 facing the inner side of the shell, arranging a heat conduction layer 3 at the inner side of the shell corresponding to the heat dissipation fins 13, and respectively arranging first buffer layers 7 at the inner sides of the shell at two sides of the heat conduction layer 3 to obtain a semi-assembled shell 1;
and 4, step 4: the pre-assembled battery component is pushed into the semi-assembled shell 1 by taking the PCB protection board 8 as a pushing surface, and the left sides or the right sides of all the lithium batteries 2 are attached to the heat conducting layer 3;
and 5: an inflatable air bag 6 is arranged between the right side or the left side of all the lithium batteries 2 and the semi-assembled shell 1, and the inflatable air bag 6 is inflated;
step 6: after the air inflation is finished, arranging a third buffer layer 10 at the bottom of the pre-assembled battery assembly, and fixing a bottom cover 12 and the shell through a fixing piece;
and 7: the battery pack is assembled by turning over such that the top cover 11 faces upward and the bottom cover 12 faces downward.
The utility model discloses a set up a plurality of lithium cells 2 in shell 1, with the heat-conducting layer 3 cooperate the heat-conducting surface of lithium cell 2 to dispel the heat, and with the compensation unit in lithium cell 2 for the opposite side of heat-conducting layer 3 as compressing tightly, further guaranteed radiating effect; the top of the lithium battery 2 is electrically connected by matching the lug thereof with the PCB 4, thereby achieving the purpose of charging and discharging.
The utility model has the advantages that the pre-pressure effect formed by the compensation unit on the module, the heat conduction layer 3 and the shell 1 promotes the good contact among the side surface of the battery core, the heat conduction layer 3 and the shell 1, and the complete heat conduction path is established by matching the heat conduction layer 3 with the heat radiation fins 13 on the shell 1, thereby realizing the high-efficiency heat radiation with low cost; the mechanical impact resistance and the falling damage resistance of the battery pack are integrally improved through the first buffer layer 7, the second buffer layer 9, the third buffer layer 10 and even the compensation unit, and the mechanical safety of the battery pack is improved; the utility model discloses simple structure, low cost, assembly efficiency are high, easily realize mass production.
Claims (10)
1. The utility model provides a radiating group battery of low-cost high efficiency, includes the shell and corresponds a plurality of lithium cells of locating the shell inside, its characterized in that: a heat conduction layer is arranged between the left side or the right side of all the lithium batteries and the shell, and a compensation unit is arranged between the right side or the left side of all the lithium batteries and the shell in a way of being matched with the heat conduction layer; all the top of lithium cell is equipped with the PCB board, the PCB board is arranged through the utmost point ear cooperation of a plurality of spiral shell female rows with the lithium cell that corresponds.
2. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 1, wherein: the compensation unit is an inflatable air bag which is respectively attached to all lithium batteries and the inner wall of the shell.
3. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 1, wherein: all the front end and the rear end of lithium cell are equipped with first buffer layer, first buffer layer sets up with the lithium cell of the front end or rear end that correspond and the inner wall laminating of shell respectively.
4. A low-cost, high-efficiency, heat-dissipating battery pack, according to claim 3, wherein: the first buffer layers are strip-shaped, and the strip-shaped first buffer layers are attached to the front ends and the rear ends of all the lithium batteries.
5. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 1, wherein: and a PCB protection plate is arranged at the top of the PCB.
6. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 5, wherein: the PCB protection shield top is equipped with the second buffer layer, the second buffer layer sets up with the inner wall laminating of PCB protection shield and shell respectively.
7. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 1, wherein: all the bottom of lithium cell is equipped with the third buffer layer, the third buffer layer sets up with the bottom of all lithium cells and the inner wall laminating of shell respectively.
8. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 1, wherein: the shell comprises a hollow cylindrical shell, and the top and the bottom of the shell are respectively provided with a top cover and a bottom cover; the shell is fixedly connected with the top cover and the bottom cover through fixing pieces.
9. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 8, wherein: and heat radiating fins are arranged on the outer side of the shell.
10. The battery pack with low cost and high heat dissipation efficiency as claimed in claim 9, wherein: the radiating fins are arranged on the outer side of the shell corresponding to the heat conducting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660065.3U CN210668468U (en) | 2019-10-03 | 2019-10-03 | Low-cost high-efficient radiating group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660065.3U CN210668468U (en) | 2019-10-03 | 2019-10-03 | Low-cost high-efficient radiating group battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210668468U true CN210668468U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921660065.3U Active CN210668468U (en) | 2019-10-03 | 2019-10-03 | Low-cost high-efficient radiating group battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934049A (en) * | 2020-07-13 | 2020-11-13 | 上海瓴荣材料科技有限公司 | Laminate polymer battery module structure that car was used |
-
2019
- 2019-10-03 CN CN201921660065.3U patent/CN210668468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934049A (en) * | 2020-07-13 | 2020-11-13 | 上海瓴荣材料科技有限公司 | Laminate polymer battery module structure that car was used |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low-cost and efficient heat dissipation battery pack Granted publication date: 20200602 Pledgee: Guotou Taikang Trust Co.,Ltd. Pledgor: HANGZHOU GENERALPOWER TECHNOLOGY CO.,LTD. Registration number: Y2024980011355 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |