CN110690376A - Square battery module convenient to mount and dismount - Google Patents
Square battery module convenient to mount and dismount Download PDFInfo
- Publication number
- CN110690376A CN110690376A CN201910870825.1A CN201910870825A CN110690376A CN 110690376 A CN110690376 A CN 110690376A CN 201910870825 A CN201910870825 A CN 201910870825A CN 110690376 A CN110690376 A CN 110690376A
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- China
- Prior art keywords
- battery cell
- square battery
- battery module
- positive
- connecting sheet
- 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.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a square battery module convenient to mount and dismount, which comprises at least one group of battery cell modules, wherein each battery cell module comprises at least one square battery cell stacked along the thickness direction; the positive and negative poles of the square battery cell are electrically connected with the convex screw, and the threaded column of the convex screw is arranged on one side deviating from the positive and negative poles; the battery cell modules are connected in parallel in groups by arranging the first connecting sheets, and connected in series between groups by arranging the second connecting sheets; the first connecting sheet and the second connecting sheet are correspondingly provided with through holes for the threaded columns to pass through; the threaded column of the convex screw penetrates through the through hole and is fastened with the matched nut to fix the first connecting sheet and the second connecting sheet on the positive and negative poles of the square battery cell. When the battery module is mounted or dismounted, only the nut and the convex screw are required to be screwed or unscrewed, the operation is simple, and the potential safety hazard in the process of mounting and dismounting the battery module is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of battery modules, in particular to a square battery module convenient to mount and dismount.
[ background of the invention ]
At present, square battery modules applied to electric automobiles and the like are grouped in a welding mode of laser welding connecting sheets and battery cell poles, and after the battery cells are welded in groups, the battery cells cannot be disassembled and replaced, so that the uniqueness of module fixation is formed, the battery cells cannot be disassembled and replaced, and only the whole module can be replaced or scrapped; it is difficult to satisfy the echelon utilization requirement of the battery module. Simultaneously, when current battery module retires and disassembles, artifical efficiency of disassembling is not high, operates various safety problems such as the short circuit of taking place easily, weeping, causes the loss.
In view of the above, it is desirable to provide a connection structure of a battery module that is easy to disassemble and assemble so as to overcome the above-mentioned drawbacks.
[ summary of the invention ]
The invention aims to provide a square battery module convenient to mount and dismount, aims to solve the technical problem that a battery core cannot be dismounted and replaced after the existing square battery module is welded into a group, is convenient to dismount and replace, and can reduce potential safety hazards in the process of dismounting and mounting the battery module.
In order to achieve the above object, the present invention provides a square battery module convenient to mount and dismount, comprising at least one battery cell module, wherein the battery cell module comprises at least one square battery cell stacked along the thickness direction; the positive and negative poles of the square battery cell are electrically connected with convex screws, and threaded columns of the convex screws are arranged on one sides deviating from the positive and negative poles; the battery cell modules are connected in parallel in groups by arranging a first connecting sheet, and connected in series between groups by arranging a second connecting sheet; the first connecting sheet and the second connecting sheet are respectively and correspondingly provided with a through hole for the threaded column to pass through; the threaded column of the convex screw penetrates through the through hole and is fastened with a matched nut to fix the first connecting sheet and the second connecting sheet on the positive and negative poles of the square battery cell.
In a preferred embodiment, the second connecting piece is formed as a one-piece part with the first connecting piece connected thereto.
In a preferred embodiment, the first connecting piece and the second connecting piece are provided with connecting terminals.
In a preferred implementation manner, the nut is a flange nut, and one side of the flange nut connected to the first connecting sheet or the second connecting sheet is provided with a locking thread.
In a preferred implementation manner, the convex screws and the positive and negative poles are connected by welding.
According to the invention, the convex screws are fixed on the positive and negative poles of the square battery cell, the first connecting sheet and the second connecting sheet are fixed on the positive and negative poles through the matching of the convex screws and the nuts, the battery modules are connected in parallel and in series, and only the nuts and the convex screws need to be screwed or unscrewed during installation or disassembly, so that the operation is simple, and the potential safety hazard in the process of disassembling and assembling the battery modules is reduced.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
Fig. 1 is a perspective view of a battery module according to the present invention in series-parallel connection;
fig. 2 is a perspective view of a square cell of the battery module shown in fig. 1;
fig. 3 is a top view of the battery module shown in fig. 1;
fig. 4 is a schematic view of the first connecting piece and the second connecting piece of the battery module shown in fig. 1.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and fig. 2, the present invention provides a square battery module 100 convenient for installation and disassembly, which is used for module connection of a plurality of identical square battery cells 10, so as to connect the square battery cells 10 in series and in parallel to form a standard battery module with required voltage and capacity, wherein the positive and negative terminals 11 of the square battery cells 10 are generally located on the same side of the square battery cells 10.
In the embodiment of the present invention, at least one set of the cell modules 200 may be correspondingly disposed according to the voltage and capacity requirements of the square battery module 100, and when two or more cell modules 200 exist, the adjacent cell modules 200 are connected in series between the sets, so as to increase the voltage of the required battery module 100. The battery cell module 200 comprises at least one square battery cell 10, the square battery cells 10 are arranged in order along the thickness direction, so that the battery module 100 is convenient to connect in series and in parallel, positive and negative poles 11 of all the square battery cells 10 in the battery cell module 200 are located on the same side, and the square battery cells 10 in the same battery cell module 200 are connected in parallel in group, so that the capacity of the required battery module 100 is improved.
Referring to fig. 2, in the embodiment of the present invention, the positive and negative poles 11 of the square battery cell 10 are electrically connected to convex screws 20, and further, the connection manner is welding; the screw post 21 of convex screw 20 deviates from positive and negative utmost point post 11 and sets up, conveniently carry out the spiro union with the nut 30 of looks adaptation, it is further, nut 30 is flange nut, the one end of taking the gasket is close to positive and negative utmost point post 11, nut 30 cooperatees with convex screw 20, with the firm fixed of first connection piece 40 and second connection piece 50, one side that the gasket of flange nut is close to first connection piece 40 or second connection piece 50 is equipped with check screw (not shown) simultaneously, can prevent that battery module 300 in use from leading to nut 30 to take off from convex screw 20 because of continuous vibrations, cause circuit contact failure.
Referring to fig. 3 and 4, in the embodiment of the invention, the first connecting pieces 40 are used for the intra-group parallel connection of the battery cell modules 200, and the second connecting pieces 50 are used for the inter-group serial connection between the battery cell modules 200; the first connecting piece 40 and the second connecting piece 50 can be made of nickel or molybdenum, and are respectively provided with a through hole 401 for the threaded column 21 of the male screw 20 to pass through, and the threaded column 21 passes through the through hole 401 to be engaged and fixed with the nut 30.
For example, if three identical square battery cells 10 are included in one battery cell module 200, the first connection piece 40 is provided with three corresponding via holes 401 for connecting electrodes of the same polarity on the same side of the square battery cells 10, and a straight line is determined according to the three points, so that the first connection piece 40 has a function of fixing the stacking shape of the square battery cells 10 in the battery cell module 200 on the premise that the battery cell module 200 has a parallel function; similarly, the second connecting piece 50 is provided with a corresponding via hole 401, any positive and negative poles 11 of two adjacent battery cell modules 200 can be connected in series through connection, so that the second connecting piece 50 has the function of series connection between the battery cell modules 200, and has the function of fixing the shape of the battery cell modules 200, and further, the second connecting piece 50 and the first connecting piece 40 connected are integrated into a whole, that is, the first connecting piece 40 can be superposed with the via hole 401 of the second connecting piece 50, that is, the second connecting piece 50 can be a transition piece of the adjacent first connecting piece 40 connected in series, so that the connection structure of the battery modules can be mounted and dismounted more simply, and the labor cost is saved.
Optionally, referring to fig. 3, in an embodiment, the first connection tab 40 and the second connection tab 50 are both provided with the connection terminal 60, and when there are a plurality of rated voltages required by the battery module 100, different voltage ratings can be switched by selectively connecting different connection terminals 60, for example, a battery module 100 having four sets of battery cell modules 200 is provided, the voltage rating of each set of battery cell module 200 is 15V, and the maximum voltage rating of the battery module 100 is 60V, and the connection terminals connected in series between the second set and the third set can also be selectively connected, so that the output voltage is 30V, which meets the requirement of requiring a plurality of rated voltages, and has a wider application scenario.
In summary, it can be understood that, in the invention, the convex screws 20 are fixed on the positive and negative poles 11 of the square battery cell 10, the first connecting sheet 40 and the second connecting sheet 50 are fixed on the positive and negative poles 11 through the cooperation of the convex screws 20 and the nuts 30, the battery modules 100 are connected in parallel and in series, only the nuts 30 and the convex screws 20 need to be screwed or unscrewed during installation or disassembly, the operation is simple, and the potential safety hazard existing in the disassembly and assembly process of the battery modules 100 is reduced.
The invention is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (5)
1. A square battery module convenient to mount and dismount is characterized by comprising at least one group of battery cell modules, wherein each battery cell module comprises at least one square battery cell stacked along the thickness direction; the positive and negative poles of the square battery cell are electrically connected with convex screws, and threaded columns of the convex screws are arranged on one sides deviating from the positive and negative poles; the battery cell modules are connected in parallel in groups by arranging a first connecting sheet, and connected in series between groups by arranging a second connecting sheet; the first connecting sheet and the second connecting sheet are respectively and correspondingly provided with a through hole for the threaded column to pass through; the threaded column of the convex screw penetrates through the through hole and is fastened with a matched nut to fix the first connecting sheet and the second connecting sheet on the positive and negative poles of the square battery cell.
2. The square battery module easy to assemble and disassemble according to claim 1, wherein the second connecting piece and the connected first connecting piece are integrally formed.
3. The square battery module easy to attach and detach according to claim 1, wherein the first connecting piece and the second connecting piece are provided with terminal terminals.
4. The square battery module convenient to mount and dismount as claimed in claim 1, wherein the nut is a flange nut, and one side of the flange nut connected to the first connecting piece or the second connecting piece is provided with a locking thread.
5. The square battery module easy to assemble and disassemble according to claim 1, wherein the convex screws are connected to the positive and negative poles by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870825.1A CN110690376A (en) | 2019-09-16 | 2019-09-16 | Square battery module convenient to mount and dismount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870825.1A CN110690376A (en) | 2019-09-16 | 2019-09-16 | Square battery module convenient to mount and dismount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110690376A true CN110690376A (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910870825.1A Pending CN110690376A (en) | 2019-09-16 | 2019-09-16 | Square battery module convenient to mount and dismount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110690376A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202905894U (en) * | 2012-09-19 | 2013-04-24 | 天津力神电池股份有限公司 | Square lithium ion power battery module |
| CN103151482A (en) * | 2011-12-07 | 2013-06-12 | Ls美创有限公司 | Terminal connecting device for energy storage module |
| CN205645965U (en) * | 2016-04-28 | 2016-10-12 | 青海时代新能源科技有限公司 | Battery module coupling assembling |
| CN206320147U (en) * | 2016-12-22 | 2017-07-11 | 海盐宇星螺帽有限责任公司 | A kind of anti-skidding flange nut |
| CN107302074A (en) * | 2017-08-15 | 2017-10-27 | 智车优行科技（上海）有限公司 | Soft package battery module and electric automobile |
| CN208637526U (en) * | 2018-08-08 | 2019-03-22 | 爱驰汽车有限公司 | Battery module and detachable battery mould group comprising the battery module |
| CN209000986U (en) * | 2018-11-13 | 2019-06-18 | 宁德时代新能源科技股份有限公司 | A kind of output stage pedestal, battery modules and battery pack |
-
2019
- 2019-09-16 CN CN201910870825.1A patent/CN110690376A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151482A (en) * | 2011-12-07 | 2013-06-12 | Ls美创有限公司 | Terminal connecting device for energy storage module |
| CN202905894U (en) * | 2012-09-19 | 2013-04-24 | 天津力神电池股份有限公司 | Square lithium ion power battery module |
| CN205645965U (en) * | 2016-04-28 | 2016-10-12 | 青海时代新能源科技有限公司 | Battery module coupling assembling |
| CN206320147U (en) * | 2016-12-22 | 2017-07-11 | 海盐宇星螺帽有限责任公司 | A kind of anti-skidding flange nut |
| CN107302074A (en) * | 2017-08-15 | 2017-10-27 | 智车优行科技（上海）有限公司 | Soft package battery module and electric automobile |
| CN208637526U (en) * | 2018-08-08 | 2019-03-22 | 爱驰汽车有限公司 | Battery module and detachable battery mould group comprising the battery module |
| CN209000986U (en) * | 2018-11-13 | 2019-06-18 | 宁德时代新能源科技股份有限公司 | A kind of output stage pedestal, battery modules and battery pack |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200114 |