CN113871778A - Battery module and portable battery pack that trades - Google Patents
Battery module and portable battery pack that trades Download PDFInfo
- Publication number
- CN113871778A CN113871778A CN202010544369.4A CN202010544369A CN113871778A CN 113871778 A CN113871778 A CN 113871778A CN 202010544369 A CN202010544369 A CN 202010544369A CN 113871778 A CN113871778 A CN 113871778A
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- battery
- battery module
- bus bar
- mounting
- groove
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/02—Details
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery module and a portable battery replacing bag, wherein the battery module comprises an installation frame provided with a plurality of rows of batteries, a bus bar positioned on the installation frame and a positioning structure used for positioning the bus bar in an installation groove, wherein a plurality of protruding parts protruding outwards and arranged at intervals along the length direction of the protruding parts are constructed on the outer peripheral surface of the bus bar, and grooves capable of abutting against the protruding parts are formed on the inner peripheral surface of the installation groove; the positioning structure comprises a guide body and a positioning block which is elastically installed at the top end of the guide body. According to the battery module, the protruding part on the bus bar is in butt fit with the inner groove of the mounting groove, so that the connection effect of the bus bar and the battery after being fixedly connected is enhanced; and through setting up location structure, can realize the location of busbar in the mounting groove, and then do benefit to linking firmly between busbar and battery and electric connection, it cooperates jointly with the protruding portion, realizes the further promotion to the whole security performance of battery module.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to a battery module; meanwhile, the invention also relates to a portable battery replacing bag provided with the battery module.
Background
The bus bars are conductors which are connected among the storage battery monomers and between the modules through conductors, realize series-parallel connection of the batteries and are used for realizing series-parallel connection. The bus bar of the power battery module is usually mounted on a mounting plate for electrically connecting a plurality of batteries mounted on the mounting plate. Currently, the bus bar is mounted on a mounting plate and then connected to the electrode terminals of the battery by welding. Since the battery pack vibrates during use, the bus bar is easily bent, broken, or short-circuited when being detached, which is disadvantageous to the improvement of the safety of the battery.
In addition, the bus bar of the conventional power battery module is generally slid when being prepared to be welded with the battery core because of no positioning structure. The bus bar is easy to cause welding defects during welding, and the cost is increased.
Disclosure of Invention
In view of the above, the present invention is directed to a battery module, so as to improve the installation effect of a bus bar in the battery module, and further improve the safety of the battery module.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a battery module, installs in the battery cladding internal, includes:
the mounting frame comprises two mounting plates fixedly connected at intervals, a plurality of rows of batteries are mounted between the two mounting plates, and the electrode end of each battery is exposed to the mounting plates;
the bus bar is relatively fixedly arranged in the mounting groove positioned on the other surface of each mounting plate, and is fixedly connected with the electrode end of each battery so as to form the electrical connection among the batteries in the mounting groove; a plurality of protruding parts protruding outwards and arranged at intervals along the length direction of the bus bars are constructed on the outer peripheral surface of each bus bar, a groove is formed on the inner peripheral surface of the mounting groove corresponding to the protruding parts, and the protruding parts in the assembling state abut against the groove;
the positioning structure is provided with at least two guide bodies which are fixedly arranged in the mounting groove and extend along the height direction of the mounting groove, and a positioning block which is arranged at the top end of each guide body and can elastically extend out of the peripheral surface of the guide body, each bus bar is provided with a positioning hole which can be sleeved on the guide body, and the positioning block can retract due to the sleeving of the bus bars and elastically extend out due to the arrangement of the bus bars in the mounting groove to limit the bus bars on the guide bodies.
Further, the protruding portion is arc-shaped, and the groove is matched with the protruding portion in shape.
Further, in the assembled state, an upper surface of the bus bar is lower than an upper surface of the mounting plate.
Furthermore, welding holes are formed in the bus bar corresponding to the electrode ends of the batteries, and the bus bar is fixedly connected to the electrode ends of the batteries through the welding holes in a welding mode.
Furthermore, the welding hole is in a cross shape.
Further, the welding hole is provided corresponding to each of the protruding portions.
Furthermore, a containing groove is formed in the peripheral surface of the top of the guide body, the positioning blocks are two in the containing groove in a guiding and sliding mode, and a spring connected between the two positioning blocks is arranged in the containing groove.
Furthermore, a guide surface for guiding the positioning hole to be sleeved on the guide body is formed on each positioning block.
Compared with the prior art, the invention has the following advantages:
according to the battery module, the protruding parts on the bus bars are in abutting fit with the grooves in the mounting grooves, so that the connecting effect of the bus bars and the batteries after the bus bars are fixedly connected can be enhanced, the bus bars are prevented from being separated from the batteries easily in a vibration state of the battery pack due to gaps between the bus bars and the mounting grooves, and the use safety of the battery pack is improved. In addition, through setting up location structure, can realize the location of busbar in the mounting groove, and then do benefit to linking firmly between busbar and battery and electric connection, its cooperates jointly with the protruding portion, realizes the further promotion to the whole security performance of battery module, effectively avoids among the prior art busbar easily off tracking and leads to welding defect, and then leads to the problem that processing cost and material cost increase.
Another objective of the present invention is to provide a portable rechargeable battery pack to improve the safety of the battery pack.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a portable battery package that trades, includes the casing, in it has the appearance chamber to construct in the casing, its characterized in that: at least one group of battery modules is fixedly arranged in the containing cavity.
Furthermore, two groups of battery modules are arranged in the shell, and an insulating plate is arranged between the mounting plates of the two battery modules.
The portable battery replacing battery pack has better use safety and stability by adopting the battery module.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a battery according to a first embodiment of the present invention in an assembled state on a mounting frame;
fig. 2 is a schematic structural diagram of a bus bar according to a first embodiment of the present invention in an assembled state on a mounting plate;
FIG. 3 is a schematic structural diagram of a mounting plate according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bus bar according to a first embodiment of the invention;
fig. 5 is a schematic view of an internal structure of a positioning structure according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery pack according to a second embodiment of the invention;
fig. 7 is a schematic structural diagram of a battery pack according to a second embodiment of the invention from another viewing angle;
fig. 8 is a schematic view of an internal structure of a battery pack according to a second embodiment of the present invention;
fig. 9 is a schematic view of an internal structure of a battery pack according to a second embodiment of the present invention;
fig. 10 is a schematic structural diagram of a mounting frame according to a second embodiment of the present invention from a first perspective;
fig. 11 is a schematic structural diagram of a mounting frame according to a second embodiment of the present invention;
fig. 12 is a schematic structural diagram of a mounting frame according to a second embodiment of the present invention from a third perspective;
description of reference numerals:
100-bus, 101-positioning hole, 102-welding hole and 103-bus electrode output end;
1-a first busbar, 2-a second busbar, 201-a first arc-shaped protrusion, 202-a second arc-shaped protrusion;
3-mounting plate, 301-second mounting groove, 302-first arc-shaped groove, 303-second arc-shaped groove, 304-guide body, 305-first mounting groove, 306-mounting hole, 307-positioning block, 308-spring;
4-fasteners, 5-supporting columns, 6-batteries, 7-middle shells, 8-upper shells, 801-handles, 9-lower shells, 901-power connectors, 10-lower connecting plates, 1001-through holes, 1002-mounting blocks, 11-connecting rods, 12-insulating plates, 13-electric quantity display plates and 14-upper connecting plates.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
The present embodiment relates to a battery module, an exemplary structure of which is shown in fig. 1, and the battery module includes a mounting bracket as a load-bearing base body, the mounting bracket including two mounting plates 3 fixedly connected at an interval, and a plurality of support columns 5 detachably mounted between both sides of the two mounting plates 3. Wherein the mounting plate 3 is rectangular as a whole and can be made of insulating materials in the prior art. The two ends of the supporting column 5 are respectively provided with a mounting hole extending along the length direction, and the circumferential surface of the supporting column 5 is provided with two damping grooves which are oppositely arranged. Two ends of the supporting column 5 are screwed and fastened in the mounting holes through the fasteners 4 penetrating through the mounting plate 3 to form fixed mounting among the three.
In order to facilitate positioning and installation of each battery 6, in the present embodiment, a limiting groove is formed on each of the two mounting plates 3 corresponding to two ends of each battery 6, and since the battery 6 in the present embodiment is a cylindrical battery, the limiting groove is also circular. When the batteries 6 are installed on the installation rack, the batteries 6 are firstly installed in the limit grooves on one installation plate 3, then the limit grooves on the other installation plate 3 are aligned with the batteries 6 and then pressed on the support columns 5, and finally the batteries are fastened and positioned through the fasteners 4 and the support columns 5.
In the present embodiment, as shown in fig. 1 to 3, mounting grooves arranged corresponding to the electrode terminals of the respective rows of the batteries 6 are constructed on the other side of the respective mounting plates 3 with respect to the batteries 6, the above-mentioned limit grooves are connected to the mounting grooves, and both the electrode terminals of the respective batteries 6 are disposed exposed to the mounting grooves. The battery module in this embodiment further includes a bus bar 100 located in the mounting groove, and the bus bar 100 is fixedly connected to the electrode terminals of the batteries 6 in the mounting groove to form electrical connection between the batteries 6 in the mounting groove.
In the present embodiment, the batteries 6 are arranged in seven rows on the mounting plate 3, and the batteries 6 in adjacent rows are arranged in a staggered manner, and therefore, the spacing grooves in adjacent rows are also arranged in a staggered manner. Of course, the number of rows of batteries on the mounting plate 3, the number of batteries 6 in each row and the number of mounting slots can be increased or decreased according to specific use requirements. For the convenience of description hereinafter, the structure of the mounting plate 3 at the top and the bus bar 100 mounted thereon will be described, and the mounting structure of the mounting plate 3 at the bottom and the bus bar 100 thereon is identical to that of the top, and thus, the detailed description thereof will be omitted.
With reference to fig. 2, the mounting groove located at the outermost side is referred to as a first mounting groove 305, and the remaining mounting grooves are referred to as second mounting grooves 301. Wherein, the right ends of the first mounting groove 305 and the second mounting groove 301 all extend out of the mounting plate 3. The bus bar 100 includes a first bus bar 1 positioned in the first mounting groove 305 and electrically coupled to one electrode end of the outermost row of the batteries 6, and a second bus bar 2 positioned in each of the second mounting grooves 301 and electrically coupled to two adjacent rows of the batteries 6. The first bus bar 1 is further provided with a bus bar electrode output end 103 located at an outer side of the first bus bar and folded downwards, for electrically connecting the bus bar 100 with the outside. Of course, the bus bar 100, which is connected to the single-row battery electrode terminals on the other mounting plate, also has bus bar electrode outputs 103, and the two bus bar electrode outputs 103 correspond to the positive and negative electrode outputs of the single battery module, respectively.
In order to electrically connect the bus bars 100 to the batteries 6, in the present embodiment, welding holes 102 are formed in the bus bars 100 corresponding to the electrode terminals of the batteries 6, and the bus bars 100 are fixedly welded to the electrode terminals of the batteries 6 through the welding holes 102. Among them, the welding hole 102 in this embodiment is cross-shaped. Here, the shape of the welding hole 102 is advantageous not only to improve the connection effect between the bus bar 100 and the electrode terminal of the battery 6, but also to serve as a stress concentration port to further improve the fixing effect between the bus bar 100 and the battery 6. For better use, the welding hole 102 in the present embodiment is disposed corresponding to an arc-shaped protrusion described below. In the assembled state, the upper surface of each busbar is lower than the upper surface of the mounting plate 3 to protect the busbars by the mounting plate 3.
In this embodiment, a plurality of protruding portions protruding outward and arranged at intervals in the longitudinal direction are formed on the outer circumferential surface of each bus bar 100, a groove is formed on the inner circumferential surface of the mounting groove corresponding to the protruding portions, and the protruding portions in the assembled state abut against the groove to constitute protection of the bus bars 100 in the fixed state. As shown in fig. 2 and fig. 3, the protruding portion in the present embodiment is specifically an arc-shaped protrusion, and the structure of each arc-shaped protrusion is the same, and the groove is an arc-shaped groove. Specifically, the arcuate projections on the bus bar 100 include a first arcuate projection 201 located inside the first bus bar 1 and the second bus bar 2, and a second arcuate projection 202 located outside the second bus bar 2. Wherein, the first arc-shaped protrusions 201 and the second arc-shaped protrusions 202 on the second busbar 2 are arranged alternately. The first arc-shaped protrusions 201 on the first busbar 1 and the second arc-shaped protrusions 202 of the adjacent second busbar 2 are arranged in a staggered manner.
Based on the arrangement of the arc-shaped protrusions, in the present embodiment, as shown in fig. 1 to 3, the arc-shaped grooves described above include a first arc-shaped groove 302 located inside the first mounting groove 305 and the second mounting groove 301, and a second arc-shaped groove 303 located outside each of the second mounting grooves 301. In the assembled state, each first arc-shaped protrusion 201 on the first bus bar 1 in the first mounting groove 305 abuts against the first arc-shaped groove 302. Each of the first and second arc-shaped protrusions on the second busbar 2 is located in the first and second arc-shaped grooves 302 and 303, respectively. The connection effect of the bus bar 100 fixedly connected with the battery 6 is enhanced by the abutting fit of the arc-shaped protrusion on the bus bar 100 and the arc-shaped groove in the mounting groove, the bus bar 100 is prevented from being easily separated from the battery 6 in the vibration state of the battery pack due to the gap between the bus bar 100 and the mounting groove, and the use safety of the battery pack is further improved. In addition, the arc-shaped protrusions have the same structure, so that the processing and molding of the arc-shaped protrusions on the bus bar 100 are facilitated.
In addition, in the present embodiment, a positioning structure for guiding and installing the bus bar 100 in the installation groove is further provided, which has at least two guiding bodies 304 fixed in the installation groove and extending along the height direction of the installation groove, and a positioning block 307 installed at the top end of each guiding body 304 and capable of elastically extending out of the outer peripheral surface of the guiding body 304, wherein each bus bar 100 is provided with a positioning hole 101 capable of being sleeved on the guiding body 304, and the positioning block 307 can be retracted due to the sleeving of the bus bar 100 and elastically extends out due to the placement of the bus bar 100 in the installation groove, so as to form a limit for the bus bar 100 on the guiding body 304.
Based on the design concept of the positioning structure, an exemplary structure of the positioning structure in this embodiment is shown in the drawing, wherein the guide body 304 is generally cylindrical, and the top end thereof is configured to be hemispherical, so as to facilitate the sleeving of the positioning hole 101 therein. The guide body 304 has a through-going receiving groove formed on the outer peripheral surface of the top portion thereof, the positioning blocks 307 are two blocks sliding in the receiving groove, and a spring 308 connected between the two positioning blocks 307 is provided in the receiving groove. In addition, each positioning block 307 has a guide surface for guiding the positioning hole 101 to fit on the guide body 304. Here, the guide surface is an outer peripheral surface of the positioning block 307, and the guide surface is provided so that the cross section of the positioning block 307 is gradually increased from top to bottom along the height direction of the guide body 304.
When the positioning hole 101 on the bus bar 100 is aligned with the guiding body 304 and moves downwards, the positioning block 307 retracts into the accommodating groove under the guidance of the guiding surface to allow the bus bar 100 to pass smoothly, and when the bus bar 100 is assembled into position, the positioning block 307 is ejected and positioned on the upper surface of the bus bar 100 to position the installation of the bus bar 100.
The battery module of this embodiment, through the butt cooperation of protruding portion and mounting groove inner groovy on busbar 100, can make busbar 100 and battery 6 link firmly the connection effect reinforcing after, prevent to have the clearance and easily make busbar 100 break away from with battery 6 under battery package shock state because of busbar 100 and mounting groove, and then do benefit to the safety in utilization that improves the battery package. In addition, through setting up location structure, can realize the location of busbar 100 in the mounting groove, and then do benefit to linking firmly and the electric connection between busbar 100 and battery 6, it cooperates jointly with the protruding portion, realizes the further promotion to the whole security performance of battery module, effectively avoids among the prior art busbar 100 easily off tracking and leads to welding defect, and then leads to the problem of processing cost and material cost increase.
Example two
The embodiment relates to a portable battery replacing bag which comprises a shell, wherein a containing cavity is formed in the shell, and a battery module in the first embodiment is fixedly arranged in the containing cavity. As shown in fig. 6 to 7, the case of the battery pack includes a middle case 7, an upper case 8 mounted on the top of the middle case 7, and a lower case 9 located at the bottom of the middle case 7, and the above-mentioned cavity is enclosed by the upper case 8, the lower case 9, and the middle case 7.
As shown in fig. 8, two sets of battery modules are provided in the case, and an insulating plate 12 is mounted between the mounting plates of the two battery modules. In order to achieve the connection between the two battery modules, in the present embodiment, as shown in fig. 9 to 12, connection plates are provided at both ends of the mounting plates 3 corresponding to the two battery modules, respectively, wherein the connection plate provided corresponding to the upper case 8 is referred to as an upper connection plate 14 and the other connection plate is referred to as a lower connection plate 10 for the convenience of distinction. Connecting rods 11 connected at four corners of the upper connecting plate 14 and the lower connecting plate 10 are arranged between the upper connecting plate and the lower connecting plate, the connecting rods 11 penetrate through the whole shell, and the fixing mode of the connecting rods 11 on the upper shell 8 and the lower shell 9 is the same as the fastening mode of the supporting columns 5 on the mounting plate 3. The mounting plate 3 in each battery module is fixedly mounted on the corresponding connecting plate via the fastener 4 passing through the upper connecting plate 14 and the lower connecting plate 10. The lower connecting plate 10 is provided with a through hole 1001, and the two battery modules are mounted on the lower shell 9 after passing through the through hole 1001 after being electrically connected at the bus bar electrode output end 103 after being electrically connected, and form a power connector 901 of the whole battery pack.
In addition, as shown in fig. 10, a mounting block 1002 is disposed on the lower connecting plate 10 and is disposed on two sides of the through hole 1001, and the lower housing 9 is specifically fixed to the mounting block 1002 to provide a space for mounting the power connector 901. In order to facilitate taking and placing the battery pack, in this embodiment, a handle 801 is further disposed on the upper case 8. The upper case 8 is also provided with a power display panel 13 for displaying the power of the battery pack.
In the portable battery replacement pack in the embodiment, by adopting the battery module in the first embodiment, the use safety and stability of the whole battery pack can be improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a battery module installs in the battery cladding internal, its characterized in that includes:
the mounting frame comprises two mounting plates (3) fixedly connected at intervals, a plurality of rows of batteries (6) are mounted between the two mounting plates (3), and electrode ends of the batteries (6) are exposed to the mounting plates (3);
the bus bars are oppositely arranged on one surface of the batteries (6), the bus bars are oppositely and fixedly arranged in the mounting grooves on the other surface of each mounting plate (3), and the bus bars are fixedly connected with the electrode ends of the batteries (6) to form the electrical connection among the batteries (6) in the mounting grooves; a plurality of protruding parts protruding outwards and arranged at intervals along the length direction of the bus bars are constructed on the outer peripheral surface of each bus bar, a groove is formed on the inner peripheral surface of the mounting groove corresponding to the protruding parts, and the protruding parts in the assembling state abut against the groove;
the positioning structure is provided with at least two guide bodies (304) which are fixedly arranged in the mounting groove and extend along the height direction of the mounting groove, and a positioning block (307) which is arranged at the top end of each guide body (304) and can elastically extend out of the peripheral surface of the guide body (304), a positioning hole (101) which can be sleeved on the guide body (304) is formed in each bus bar, and the positioning block (307) can retract due to the sleeving of the bus bars and elastically extend out due to the arrangement of the bus bars in the mounting groove to limit the bus bars on the guide bodies (304).
2. The battery module according to claim 1, wherein: the protruding part is arc-shaped, and the groove is matched with the protruding part in shape.
3. The battery module according to claim 1, wherein: in the assembled state, the upper surface of the busbar is lower than the upper surface of the mounting plate (4).
4. The battery module according to claim 1, wherein: welding holes (102) are formed in the bus bar corresponding to the electrode ends of the batteries (6), and the bus bar is fixedly connected to the electrode ends of the batteries (6) through the welding holes (102).
5. The battery module according to claim 4, wherein: the welding hole (102) is in a cross shape.
6. The battery module according to claim 4, wherein: the welding holes (102) are provided corresponding to the respective protrusions.
7. The battery module according to any one of claims 1 to 6, wherein: an accommodating groove is formed in the outer peripheral surface of the top of the guide body (304), the positioning blocks (307) are two in guide sliding in the accommodating groove, and a spring (308) connected between the two positioning blocks (307) is arranged in the accommodating groove.
8. The battery module according to claim 7, wherein: each positioning block (307) is provided with a guide surface for guiding the positioning hole (102) to be sleeved on the guide body (304).
9. The utility model provides a portable battery package that trades, includes the casing, in it has the appearance chamber to construct in the casing, its characterized in that: at least one battery module set as claimed in any one of claims 1 to 8 is fixedly arranged in the cavity.
10. The portable battery replacement pack of claim 9, wherein: two groups of battery modules are arranged in the shell, and an insulating plate is arranged between the mounting plates (3) of the two battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544369.4A CN113871778A (en) | 2020-06-15 | 2020-06-15 | Battery module and portable battery pack that trades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544369.4A CN113871778A (en) | 2020-06-15 | 2020-06-15 | Battery module and portable battery pack that trades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113871778A true CN113871778A (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010544369.4A Pending CN113871778A (en) | 2020-06-15 | 2020-06-15 | Battery module and portable battery pack that trades |
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| Country | Link |
|---|---|
| CN (1) | CN113871778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240875A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Ccs assembly, battery module structure and battery |
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| CN209362886U (en) * | 2018-12-15 | 2019-09-10 | 勤基电路板（深圳）有限公司 | A kind of auxiliary device of coating machine |
| CN110518161A (en) * | 2019-07-15 | 2019-11-29 | 南京航空航天大学 | A kind of easy-to-mount shockproof batteries of electric automobile |
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| CN203967151U (en) * | 2014-06-25 | 2014-11-26 | 华霆（合肥）动力技术有限公司 | The lithium battery group of a kind of collector plate and the riveted joint of battery plastics location-plate hot melt |
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| CN106784492A (en) * | 2017-01-23 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | A kind of laminated type safeguard structure and battery modules |
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| WO2023240875A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Ccs assembly, battery module structure and battery |
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