CN108389984B - Battery module assembly - Google Patents
Battery module assembly Download PDFInfo
- Publication number
- CN108389984B CN108389984B CN201810374221.3A CN201810374221A CN108389984B CN 108389984 B CN108389984 B CN 108389984B CN 201810374221 A CN201810374221 A CN 201810374221A CN 108389984 B CN108389984 B CN 108389984B
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- Prior art keywords
- base
- battery module
- voltage
- copper bar
- floating
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 50
- 229910052802 copper Inorganic materials 0.000 claims description 50
- 239000010949 copper Substances 0.000 claims description 50
- 230000001681 protective effect Effects 0.000 claims description 40
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Abstract
The invention discloses a battery module assembly, comprising: battery module, floating to the plug-in components. The floating to the plug-in components setting is at the tip of battery module, and the floating to the plug-in components includes: base, floating terminal and to insert the location portion. The floating terminal is arranged in the base and comprises a high-voltage plug bush and a low-voltage plug bush; the opposite-inserting positioning part is arranged on the floating terminal; wherein the floating terminal has a horizontal adjustment margin with respect to the base in a horizontal direction perpendicular to the thickness of the battery pack; the end part of the battery module assembly is provided with the floating pair plug-in component with the position adjusting function, and the floating pair plug-in component can effectively solve the problem that the box body machining error, the module machining error and the module assembly error cause the electric connection in the assembly process of the battery pack, so that the battery module can be more orderly arranged in the battery pack to enable the overall structure of the battery pack to be more compact.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a battery module assembly.
Background
The battery module in the traditional battery pack is generally connected by the copper bars in a strong current manner, the collection and transmission of weak current signals of the battery module are realized by utilizing independent wire harnesses, so that the strong current and the weak current are required to be considered simultaneously during wiring, the wiring is messy, difficult, the occupied space is large, the production efficiency is low, short circuit is easy, even short circuit is easy, spontaneous combustion of the battery pack is directly caused when the battery pack is severe, and improvement space exists.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides a battery module assembly, and the floating pair plug-in can realize the connection function of strong current and weak current of the battery module, and has the advantages of simple structure and convenient installation.
A battery module assembly according to an embodiment of the present invention includes: a battery module; a floating counter insert provided at an end of the battery module, the floating counter insert comprising: a base; a floating terminal disposed within the base, the floating terminal comprising a high voltage plug bush and a low voltage plug bush; an opposite-plug positioning portion provided on the floating terminal; wherein the floating terminal has a horizontal adjustment margin with respect to the base in a horizontal direction perpendicular to the thickness of the battery pack.
According to the battery module assembly provided by the embodiment of the invention, the floating pair plug-in can realize the connection function of strong current and weak current of the battery module, and the battery module assembly is simple in structure and convenient to install.
In addition, the battery module assembly according to the embodiment of the invention may further have the following additional technical features:
According to some embodiments of the invention, the battery module assembly further includes a protective cover provided on the base and covering the floating terminal, the protective cover abutting an end of the battery module, an upper surface of the protective cover being substantially parallel to an upper surface of the battery module.
According to some embodiments of the invention, a floating terminal includes: the high-voltage plug bush is fixed on the lower surface of the floating terminal body, the high-voltage plug bush is positioned on the upper surface of the floating terminal body and is connected with the high-voltage plug bush in a penetrating manner of the floating terminal body, and the low-voltage plug bush is positioned on the upper surface of the floating terminal body and is connected with the low-voltage plug bush in a penetrating manner of the floating terminal body.
According to some embodiments of the invention, a copper bar fixing block is arranged on the base, a module copper bar is arranged on the copper bar fixing block, and the module copper bar, the high-voltage outgoing line and the copper bar fixing block are connected.
According to some embodiments of the invention, two opposite sides of the copper bar fixing block are provided with copper bar fixing block grooves, the base is provided with a plurality of groups of base convex strips, each group of base convex strips comprises two base convex strips, one copper bar fixing block is arranged between the two base convex strips, and the base convex strips are clamped in the copper bar fixing block grooves.
According to some embodiments of the invention, a base cavity is formed in the base, the base cavity is penetrated up and down, and the high-voltage outgoing line and the low-voltage outgoing line penetrate through the base cavity.
According to some embodiments of the invention, the battery module assembly further includes: the protection cover is embedded in the base cavity and surrounds the high-voltage outgoing line and the low-voltage outgoing line, the lower end face of the protection cover abuts against the upper surface of the floating terminal body, the outer surface of the protection cover is provided with a protection cover buckle, and the base is provided with a base clamping hole which is clamped with the protection cover buckle.
According to some embodiments of the invention, the upper end face of the protective cover is provided with a protective cover flange extending radially outwards of the protective cover, which protective cover flange is supported on the upper edge of the base.
According to some embodiments of the invention, two spaced base cavity positioning plates are further arranged in the base cavity, and the two base cavity positioning plates clamp and position the protective cover.
According to some embodiments of the invention, the base cavity is located between two of the copper bar fixing blocks; the two ends of the protective cover are respectively clamped and fixed with the two copper bar fixing blocks, the protective cover spans the base cavity, and an isolation space for accommodating the high-voltage outgoing line and the low-voltage outgoing line is defined between the protective cover and the base as well as between the protective cover and the two copper bar fixing blocks.
Drawings
Fig. 1 is a schematic view of a structure of a battery module assembly according to an embodiment of the present invention;
fig. 2 is a partial structure schematic view of a battery module assembly according to an embodiment of the present invention;
fig. 3 is a partial sectional view of a battery module assembly according to an embodiment of the present invention;
Fig. 4 is a partial exploded view of a battery module assembly according to an embodiment of the present invention;
Fig. 5 is a partial structure schematic view of a battery module assembly according to an embodiment of the present invention;
Fig. 6 is a schematic structural view of a floating terminal according to an embodiment of the present invention;
FIG. 7 is a schematic view of a protective cover according to an embodiment of the present invention;
fig. 8 is a partial structure schematic view of a battery module assembly according to an embodiment of the present invention;
Fig. 9 is a partial exploded view of a battery module assembly according to an embodiment of the present invention;
Fig. 10 is a schematic view of a battery module assembly mated with a plug connector according to an embodiment of the present invention.
Reference numerals:
The battery module assembly 100, the battery module 1, the floating counter insert 2, the base 21, the floating terminal 22, the high-voltage plug bush 221, the low-voltage plug bush 222, the counter positioning part 23, the protective cover 3, the floating terminal body 223, the high-voltage lead 224, the low-voltage lead 225, the copper bar fixing block 211, the module copper bar 11, the bolt 4, the copper bar fixing block groove 2111, the base convex strip 212, the base cavity 213, the protective cover 5, the protective cover buckle 51, the base clamping hole 214, the protective cover flanging 52, the base cavity positioning plate 215, the circuit board 6, the plug connector 7, the high-voltage terminal 71, the low-voltage terminal 72 and the positioning part 73.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
A battery module assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 10.
As shown in fig. 1, a battery module assembly 100 according to an embodiment of the present invention may include: a battery module 1, a floating counter insert 2 and a protective cover 3. Specifically, the battery module 1 is a cuboid structure and is suitable for being arranged in a battery pack, the floating counter-plug 2 is a component which is inserted into the plug-in connector 7 and is arranged at the end part of the battery module 1, and the protective cover 3 is buckled above the floating counter-plug 2 at the end part of the battery module and covers the floating counter-plug 2.
The floating pair insert 2 includes: a base 21, a floating terminal 22 and an opposite-insertion positioning portion 23. Specifically, the base 21 is disposed at an end of the battery module 1, and the floating terminal 22 is limited on the base 21, wherein the opposite-inserting positioning portion 23 is disposed below the floating terminal body 223 and penetrates the floating terminal body 223 for inserting and positioning with the positioning portion 73.
This float to plug-in components 2 can effectively solve the unable plug-in components 7 cooperation grafting problem on the circuit board that causes because of battery module 1 self structure and size error, assembly error etc. makes the assembly of battery module 1 simpler, convenient, and fault tolerance is higher, can rationally digest through float regulation to error accumulation (including manufacturing error, assembly error etc.), has reduced the defective rate, has guaranteed electrical connection's reliability, and assembly efficiency also improves greatly simultaneously.
As shown in fig. 1 to 3, the floating terminal 22 is provided in the base 21, and the floating terminal 22 includes a high-voltage plug 221 and a low-voltage plug 222. For example, the base 21 is provided at one of the ends in the longitudinal direction of the battery module 1, and the high-voltage bushing 221 and the low-voltage bushing 222 are adapted to be fittingly inserted with the high-voltage terminal 71 and the low-voltage terminal 72 of the plug 7 on the corresponding circuit board, respectively, thereby achieving strong-current and weak-current connection. .
In connection with the embodiments shown in fig. 1,3, 4, 6 and 10, the opposite-insertion positioning portion 23 is provided on the floating terminal 22. The opposite-insertion positioning portion 23 is adapted to be positioned and inserted with the positioning portion 73 on the plug 7, so that the high-voltage terminal 71 and the low-voltage terminal 72 can be accurately and quickly inserted into the high-voltage bushing 221 and the low-voltage bushing 222.
Referring to fig. 3, the floating terminal 22 has a horizontal adjustment margin with respect to the base 21 in a horizontal direction perpendicular to the thickness of the battery pack. In other words, since the floating terminal 22 can be adjusted in a certain amount in the horizontal direction with respect to the base 21 after being mounted in the base 21, the terminal is called a floating terminal 22 and has a floating adjustment function with a certain margin at least in the horizontal direction. Thus, the problem that the high voltage terminal 71 and the low voltage terminal 72 on the plug 7 cannot be accurately inserted into the high voltage bushing 221 and the low voltage bushing 222 due to the processing error, the assembly error, and the like of the battery module 1 can be effectively solved.
In connection with the embodiments shown in fig. 1, 4, 7 and 10, a protection cover 3 is provided on the base 21 and covers the floating terminals 22, and the protection cover 3 abuts against the end of the battery module 1. This can prevent the floating terminal 22 from coming into contact with external members and thus can improve the safety of the battery module 1.
As shown in fig. 1 and 10, the upper surface of the protective cover 3 is substantially parallel to the upper surface of the battery module 1. Thereby, the whole surface of the battery module 1 is smoother, the space utilization rate is not affected due to the uneven top surface, and the arrangement of the battery module 1 is more convenient, so that the battery module can be compactly arranged inside a battery pack without affecting the arrangement of other components.
In connection with the embodiments shown in fig. 2,3, 4 and 6, the floating terminal 22 includes: the high-voltage plug bush 221 and the low-voltage plug bush 222 are fixed on the lower surface of the floating terminal body 223, the high-voltage plug bush 224 is located on the upper surface of the floating terminal body 223 and connected with the high-voltage plug bush 221 in a penetrating manner of the floating terminal body 223, and the low-voltage plug bush 225 is located on the upper surface of the floating terminal body 223 and connected with the low-voltage plug bush 222 in a penetrating manner of the floating terminal body 223.
Specifically, the high voltage outlet 224 and the low voltage outlet 225 are adapted to be in plug-fit with the battery module 1 so that the floating terminal 22 is electrically connected with the battery module 1, while the high voltage outlet 224 and the low voltage outlet 225 pass through the floating terminal body 223 and are connected with the high voltage bushing 221 and the low voltage bushing 222, and the high voltage bushing 221 and the low voltage bushing 222 are electrically connected with the high voltage terminal 71 and the low voltage terminal 72 on the plug 7, respectively, thereby electrically connecting the circuit board with the battery module 1 through the floating terminal 22 and the plug 7.
As shown in fig. 2 to 5, a copper bar fixing block 211 is provided on the base 21, a module copper bar 11 is provided on the copper bar fixing block 211, and the module copper bar 11, the high-voltage outgoing line 224 and the copper bar fixing block 211 are connected by bolts 4. Thereby, the module copper bar 11 and the high-voltage lead-out wire 224 are clamped between the two by fastening the bolts 4 and the copper bar fixing blocks 211 to form an electrical connection, and the high-voltage lead-out wire 224 is fixed on the base 21 to electrically connect the battery module 1 and the circuit board together.
Further, two opposite sides of the copper bar fixing block 211 are provided with copper bar fixing block grooves 2111, a plurality of groups of base convex strips 212 are arranged on the base 21, each group of base convex strips 212 comprises two, a copper bar fixing block 211 is arranged between the two base convex strips 212, and the base convex strips 212 are clamped in the copper bar fixing block grooves 2111.
Specifically, the copper bar fixing block 211 is firmly clamped and fixed on the base 21 by the clamping and fixing action of the base convex strip 12 and the copper bar fixing block groove 2111 so as to electrically connect and fix the module copper bar 11 and the high-voltage outgoing line 224 on the copper bar fixing block 211.
Referring to fig. 2, 3, 4,5, 8, and 9, a base cavity 213 is formed in the base 21, the base cavity 213 penetrates up and down, and the high-voltage lead-out wire 224 and the low-voltage lead-out wire 225 penetrate the base cavity 213. Thereby, the floating terminal 22 and the base 21 can be more tightly combined together to save arrangement space, and the high-voltage outgoing line 224 and the low-voltage outgoing line 225 can be conveniently electrically connected with the module copper bar 11 by arranging the base cavity 213, and meanwhile, the electric insulation and protection of the floating terminal are realized.
In connection with the embodiments shown in fig. 2, 4, 8 and 9, the battery module assembly 100 further includes: the protection cover 5, the protection cover 5 is embedded in the base cavity 213 and surrounds the high-voltage outgoing line 224 and the low-voltage outgoing line 225, the lower end face of the protection cover 5 is stopped against the upper surface of the floating terminal body 223, the outer surface of the protection cover 5 is provided with the protection cover buckle 51, and the base 21 is provided with a base clamping hole 214 which is clamped with the protection cover buckle 51.
The protection cover 5 is firmly fixed in the base cavity 213 through the clamping fit of the protection cover buckle 51 and the base clamping hole 214 so as to protect the high-voltage outgoing line 224 and the low-voltage outgoing line 225, and the electric shock phenomenon caused by the contact between the high-voltage outgoing line 224 and the low-voltage outgoing line 225 and the peripheral wall in the base cavity 213 is avoided, so that the safety performance of the battery module 1 is effectively improved.
Further, the upper end face of the boot 5 is provided with a boot flange 52 extending radially outwardly, the boot flange 52 being supported on the upper edge of the base 21.
The upper part of the protective cover flange 52 is the electric connection part of the high-voltage outgoing line 224 and the module copper bar 11, so that the protective cover flange 52 can not only play a role in supporting and fixing the protective cover 5, but also prevent the electric shock between the electric connection part of the high-voltage outgoing line 224 and the module copper bar 11 and the base 21 from affecting the safety of the battery module 1.
As shown in fig. 2,3, 5, 8 and 9, two spaced apart base cavity positioning plates 215 are further disposed in the base cavity 213, and the two base cavity positioning plates 215 clamp and position the protective cover 5. This allows the protective cover 5 to be more stably and securely fixed in the base cavity 213.
Referring to fig. 1,2 and 10, the base cavity 213 is located between the two copper bar fixing blocks 211; the two ends of the protective cover 3 are respectively clamped and fixed with the two copper bar fixing blocks 211, the protective cover 3 spans the base cavity 213, and an isolation space for accommodating the high-voltage outgoing line 224 and the low-voltage outgoing line 225 is defined between the protective cover 3 and the base 21 and between the protective cover 3 and the two copper bar fixing blocks 211. Thus, the high voltage outlet 224 and the low voltage outlet 225 in the isolated space are prevented from contacting or overlapping with the peripheral members to affect the overall safety of the battery module 1.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A battery module assembly, comprising:
A battery module;
a floating counter insert provided at an end of the battery module, the floating counter insert comprising:
the base is internally provided with a base cavity, and the base cavity is vertically communicated;
A floating terminal disposed within the base, the floating terminal including a high voltage plug bush and a low voltage plug bush, the floating terminal further comprising: the floating terminal comprises a floating terminal body, a bendable high-voltage outgoing line and a bendable low-voltage outgoing line, wherein the high-voltage outgoing line and the low-voltage outgoing line penetrate through the base cavity;
An opposite-plug positioning portion provided on the floating terminal;
wherein the floating terminal has a horizontal adjustment margin with respect to the base in a horizontal direction perpendicular to a thickness of the battery pack;
The base is provided with a copper bar fixing block, the copper bar fixing block is provided with a module copper bar, and the module copper bar, the high-voltage outgoing line and the copper bar fixing block are connected;
The battery module assembly further includes:
the protection cover is embedded in the base cavity and surrounds the high-voltage outgoing line and the low-voltage outgoing line, the lower end face of the protection cover abuts against the upper surface of the floating terminal body, the upper end face of the protection cover is provided with a protection cover flanging extending outwards in the radial direction of the protection cover, the protection cover flanging is supported on the upper edge of the base, and the upper portion of the protection cover flanging is an electric connection position of the high-voltage outgoing line and the module copper bar.
2. The battery module assembly according to claim 1, further comprising a protective cover provided on the base and covering the floating terminal, the protective cover abutting an end of the battery module, an upper surface of the protective cover being substantially parallel to an upper surface of the battery module.
3. The battery module assembly according to claim 1, wherein the high-voltage bushing and the low-voltage bushing are fixed to a lower surface of the floating terminal body, the high-voltage lead wire is positioned on an upper surface of the floating terminal body and connected to the high-voltage bushing in a manner of penetrating the floating terminal body, and the low-voltage lead wire is positioned on an upper surface of the floating terminal body and connected to the low-voltage bushing in a manner of penetrating the floating terminal body.
4. The battery module assembly according to claim 1, wherein two opposite sides of the copper bar fixing block are provided with copper bar fixing block grooves, a plurality of groups of base protruding bars are arranged on the base, each group of base protruding bars comprises two, one copper bar fixing block is arranged between the two base protruding bars, and the base protruding bars are clamped in the copper bar fixing block grooves.
5. The battery module assembly according to claim 2, wherein the outer surface of the protective cover is provided with a protective cover buckle, and the base is provided with a base clamping hole clamped with the protective cover buckle.
6. The battery module assembly of claim 5, wherein two spaced apart base cavity locating plates are further disposed within the base cavity, the two base cavity locating plates clamping the protective cover.
7. The battery module assembly of claim 5, wherein the base cavity is located between two of the copper bar fixation blocks;
the two ends of the protective cover are respectively clamped and fixed with the two copper bar fixing blocks, the protective cover spans the base cavity, and an isolation space for accommodating the high-voltage outgoing line and the low-voltage outgoing line is defined between the protective cover and the base as well as between the protective cover and the two copper bar fixing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374221.3A CN108389984B (en) | 2018-04-24 | Battery module assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374221.3A CN108389984B (en) | 2018-04-24 | Battery module assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108389984A CN108389984A (en) | 2018-08-10 |
| CN108389984B true CN108389984B (en) | 2024-07-05 |
Family
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206441961U (en) * | 2016-09-21 | 2017-08-25 | 蔚来汽车有限公司 | The connector of the cold battery bag of electric automobile liquid |
| CN208352361U (en) * | 2018-04-24 | 2019-01-08 | 北京新能源汽车股份有限公司 | Battery modules component |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206441961U (en) * | 2016-09-21 | 2017-08-25 | 蔚来汽车有限公司 | The connector of the cold battery bag of electric automobile liquid |
| CN208352361U (en) * | 2018-04-24 | 2019-01-08 | 北京新能源汽车股份有限公司 | Battery modules component |
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