CN213546432U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
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- CN213546432U CN213546432U CN202022644491.7U CN202022644491U CN213546432U CN 213546432 U CN213546432 U CN 213546432U CN 202022644491 U CN202022644491 U CN 202022644491U CN 213546432 U CN213546432 U CN 213546432U
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- battery
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a battery module and battery package, battery package include battery module and battery management system in battery box and the battery box, and the battery module includes: a housing; the battery cell is provided with a plurality of groups and is positioned in the shell, the top of the battery cell is provided with a battery cell pole column, and the top of the battery cell is provided with a safety valve; the busbar is welded on the battery cell pole; the pressing plate is connected to the top of the shell and used for pressing the battery cell, the pressing plate comprises a pressing edge and bending edges on two sides, the pressing edge and the bending edges form a U-shaped groove, and the pressing edge is provided with an avoidance hole; one end of the collecting line is connected to the bus bar, and the other end of the collecting line is connected with the battery management system; the surface of the pressing plate is coated and fixed with an insulating layer, the insulating layer is formed outside the pressing plate in a plastic dipping mode, and the collecting wire is arranged in the U-shaped groove across the top of the bending edge. The utility model discloses a clamp plate not only has insulating and buffering shock attenuation function, soaks moreover and moulds the shaping that the shaping can be convenient and go out the insulating layer, does not need the preparation mould, has saved and has pasted the operating procedure, simple manufacture, and is with low costs.
Description
Technical Field
The utility model relates to a battery module and battery package.
Background
The battery pack usually includes the battery box and installs a plurality of battery modules in the battery box, and the battery module comprises casing and the multiunit electricity core of setting in the casing, in order to fix electric core, is connected with the clamp plate that is used for compressing tightly electric core at the top of casing. Usually, a battery management system is further installed in the battery box, and a collection line of the battery management system is connected with a busbar at the top of each group of battery cells and is used for collecting information such as terminal voltage, temperature, charging and discharging current and the like of the battery cells. In addition, in order to discharge the gas in the battery cell in time when the expansion pressure of the battery cell is increased, a safety valve is installed at the top of the battery cell, and when the battery cell is abnormal, the safety valve is opened by high-pressure gas to release the pressure.
The pressing plate is usually made of a steel plate through bending and comprises a pressing edge and bending edges located on the front side and the rear side of the pressing edge, and the pressing edge and the bending edges form a U-shaped groove so as to guarantee the structural strength of the pressing plate. Because the clamp plate is located the top of electric core, consequently the edge processing that compresses tightly of clamp plate has the hole of dodging with the relief valve one-to-one on the electric core to when the relief valve was broken open, pressure can be released through dodging the hole. In addition, in order to facilitate the arrangement of the collection lines of the battery management system, the bent edge of the pressing plate is usually provided with a line passing hole for the collection lines to pass through, so that a plurality of collection lines on one battery module respectively pass through the line passing hole and are arranged in the U-shaped groove, and the whole line arrangement is simple.
At present, two mounting modes of the pressing plate are mainly adopted, one mode is that a steel plate is directly fixed, the mode has no insulation function and does not have buffering and damping, and the upper cover of the battery directly contacted with the pressing plate has short circuit risk; the other is to paste an insulating film on the surface of the steel plate, although the pressing plate has an insulating function, in this way, a special insulating film production mold needs to be manufactured, and an avoiding hole and a wire passing hole need to be formed in the insulating film, so that the structure of the mold is complex, the manufacturing cost is high, the post-pasting is troublesome, the pasting difficulty is high, and the possibility of falling off exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery module to solve the problems that the pressing plate in the existing battery module has no insulation and buffering and shock absorption functions, or needs to be pasted with an insulation film and needs to be manufactured with a special mold, thereby causing high manufacturing cost and troublesome manufacturing; an object of the utility model is to provide a battery package to the clamp plate in the battery module of solving current battery package has or not had insulation and buffering shock attenuation function, or need paste the insulating film and need make special mould and then lead to the problem that the cost of manufacture is high, make troublesome.
In order to achieve the above object, the utility model provides a battery module adopts following technical scheme:
a battery module, comprising:
a housing;
the battery cell is provided with a plurality of groups and is positioned in the shell, the top of the battery cell is provided with battery cell polar columns, and a safety valve is arranged between the battery cell polar columns at the top of the battery cell;
the busbar is welded on the battery cell pole;
the pressing plate is connected to the top of the shell and used for pressing the battery cell, the pressing plate comprises a pressing edge and bending edges positioned on the front side and the rear side of the pressing edge, the pressing edge and the bending edges on the two sides form a U-shaped groove, and the pressing edge is provided with avoidance holes in one-to-one correspondence with safety valves on the battery cell;
one end of the acquisition line is fixedly connected to the busbar, and the other end of the acquisition line is used for connecting a battery management system;
the surface coating of clamp plate is fixed with the insulating layer, the insulating layer soaks the outside of moulding at the clamp plate, gathers the line and crosses the top on the limit of bending arranges in the U-shaped inslot.
The beneficial effects of the above technical scheme are that: because the surface coating of clamp plate is fixed with the insulating layer, consequently the clamp plate has insulating and buffering shock-absorbing function, simultaneously because the insulating layer soaks moulds the shaping in the outside of clamp plate, adopts to soak and moulds the shaping and can very convenient shaping and go out the insulating layer, does not need the preparation mould, has also saved and has pasted the operating procedure, and simple manufacture is convenient, and is with low costs. Meanwhile, the collection line is arranged in the U-shaped groove across the top of the bending edge, namely, the bending edge of the pressing plate is not provided with the line passing hole, the line passing hole is small in size, and after the collection line is soaked and solidified, the line passing hole is easily blocked, so that the line passing hole is not directly arranged, the processing of the pressing plate can be facilitated (the step of processing the line passing hole is omitted), and the line passing hole is not arranged, so that the bending edge is not required to be too long, the material can be saved, and the material cost is reduced. In addition, because the insulating layer that the plastic-impregnated shaping was often than thicker, elasticity is also better, therefore even collection line is directly lapped on the edge of bending, because the good elasticity of insulating layer can not cause the damage to collection line yet.
Further, in order to make the line of walking succinct, avoid gathering the line and keep off the hole of dodging, avoid gathering the line drunkenness simultaneously, gather the line and arrange near one side limit of bending, the battery module is still including passing dodge hole and ligature gather line and one side the outside ribbon of bending the limit.
Furthermore, in order to facilitate the processing of the avoiding hole, the avoiding hole is a round hole with the aperture larger than that of the safety valve.
Further, for the convenience of being connected of clamp plate and casing, the both ends on compress tightly the limit be provided with be used for with casing fixed connection's the limit of being connected, connect the limit and be L shape, connect the limit including with compress tightly the perpendicular continuous vertical limit in limit and with the perpendicular continuous horizontal limit in vertical limit, be provided with the connecting hole on the horizontal edge.
Further, in order to facilitate the connection operation of the connection edge, no insulating layer is disposed outside the connection edge.
In order to achieve the above object, the utility model provides a battery pack adopts following technical scheme:
the utility model provides a battery pack, includes the battery box and installs the battery module in the battery box, is provided with battery management system in the battery box, and the battery module includes:
a housing;
the battery cell is provided with a plurality of groups and is positioned in the shell, the top of the battery cell is provided with battery cell polar columns, and a safety valve is arranged between the battery cell polar columns at the top of the battery cell;
the busbar is welded on the battery cell pole;
the pressing plate is connected to the top of the shell and used for pressing the battery cell, the pressing plate comprises a pressing edge and bending edges positioned on the front side and the rear side of the pressing edge, the pressing edge and the bending edges on the two sides form a U-shaped groove, and the pressing edge is provided with avoidance holes in one-to-one correspondence with safety valves on the battery cell;
one end of the acquisition line is fixedly connected to the busbar, and the other end of the acquisition line is connected with the battery management system;
the surface coating of clamp plate is fixed with the insulating layer, the insulating layer soaks the outside of moulding at the clamp plate, gathers the line and crosses the top on the limit of bending arranges in the U-shaped inslot.
The beneficial effects of the above technical scheme are that: because the surface coating of clamp plate is fixed with the insulating layer, consequently the clamp plate has insulating and buffering shock-absorbing function, simultaneously because the insulating layer soaks moulds the shaping in the outside of clamp plate, adopts to soak and moulds the shaping and can very convenient shaping and go out the insulating layer, does not need the preparation mould, has also saved and has pasted the operating procedure, and simple manufacture is convenient, and is with low costs. Meanwhile, the collection line is arranged in the U-shaped groove across the top of the bending edge, namely, the bending edge of the pressing plate is not provided with the line passing hole, the line passing hole is small in size, and after the collection line is soaked and solidified, the line passing hole is easily blocked, so that the line passing hole is not directly arranged, the processing of the pressing plate can be facilitated (the step of processing the line passing hole is omitted), and the line passing hole is not arranged, so that the bending edge is not required to be too long, the material can be saved, and the material cost is reduced. In addition, because the insulating layer that the plastic-impregnated shaping was often than thicker, elasticity is also better, therefore even collection line is directly lapped on the edge of bending, because the good elasticity of insulating layer can not cause the damage to collection line yet.
Further, in order to make the line of walking succinct, avoid gathering the line and keep off the hole of dodging, avoid gathering the line drunkenness simultaneously, gather the line and arrange near one side limit of bending, the battery module is still including passing dodge hole and ligature gather line and one side the outside ribbon of bending the limit.
Furthermore, in order to facilitate the processing of the avoiding hole, the avoiding hole is a round hole with the aperture larger than that of the safety valve.
Further, for the convenience of being connected of clamp plate and casing, the both ends on compress tightly the limit be provided with be used for with casing fixed connection's the limit of being connected, connect the limit and be L shape, connect the limit including with compress tightly the perpendicular continuous vertical limit in limit and with the perpendicular continuous horizontal limit in vertical limit, be provided with the connecting hole on the horizontal edge.
Further, in order to facilitate the connection operation of the connection edge, no insulating layer is disposed outside the connection edge.
Drawings
Fig. 1 is a perspective view of a battery module according to the present invention;
fig. 2 is a top view of a battery module according to the present invention;
fig. 3 is a perspective view of the platen of fig. 1 and 2.
In the figure: 1-a shell; 2-electric core; 3-a safety valve; 4-a busbar; 5, pressing a plate; 51-a pressing edge; 52-bending edges; 53-avoidance holes; 54-vertical sides; 55-horizontal edge; 6-collecting line; 7-binding tapes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses an embodiment of well battery package does: the battery pack comprises a battery box body and a battery module arranged in the battery box body, a battery management system is arranged in the battery box body, the structure of the battery module is as shown in fig. 1 and fig. 2, the battery module comprises a shell 1 and a plurality of groups of battery cells 2 arranged in the shell 1, the top of each battery cell 2 is provided with a battery cell pole (not marked in the figure), a safety valve 3 is arranged between the battery cell poles at the top of each battery cell 2, and a busbar 4 is welded on each battery cell pole.
The top of the casing 1 is connected with a pressing plate 5 for compressing the battery cell 2, as shown in fig. 3, the pressing plate 5 includes a compression edge 51 and bending edges 52 located on the front and rear sides of the compression edge 51, the compression edge 51 and the bending edges 52 on the two sides form a U-shaped groove, a avoiding hole 53 corresponding to the safety valve 3 on the battery cell 2 is formed in the compression edge 51, and the avoiding hole 53 is a round hole with a diameter larger than the safety valve 3. The both ends of the compressing edge 51 are provided with connecting edges which are fixedly connected with the shell 1, the connecting edges are L-shaped, the connecting edges comprise vertical edges 54 vertically connected with the compressing edge 51 and horizontal edges 55 vertically connected with the vertical edges 54, and connecting holes are formed in the horizontal edges 55.
The utility model discloses a clamp plate 5 adopts panel shaping of bending to clamp plate 5's surface coating is fixed with the insulating layer (not marking in the picture), and the insulating layer soaks the outside of moulding at the clamp plate. In the process of manufacturing the pressing plate 5, after the pressing plate 5 is bent, the whole pressing plate 5 is subjected to plastic dipping treatment to obtain an insulating layer completely wrapping the pressing plate 5, and then the insulating layer outside the connecting edge is cut off to facilitate the connection between the connecting edge and the shell 1, namely, the insulating layer is not arranged outside the connecting edge of the finally-formed pressing plate 5. It should be noted that, since the avoiding hole 53 is relatively large, it is not blocked during the plastic dipping process.
The battery module further comprises an acquisition line 6, wherein one end of the acquisition line 6 is fixedly connected to the busbar 4, and the other end of the acquisition line 6 is connected with a battery management system and used for acquiring information such as terminal voltage, temperature, charging and discharging current and the like of the battery core. As shown in fig. 1 and 2, the collection line 6 crosses the top of the bending edge 52 and is arranged in the U-shaped groove, and the multiple collection lines 6 are arranged next to the bending edge at one side to form a collection harness, and the battery module further includes a ribbon 7 which passes through the avoiding hole 53 and is bound outside the collection line 6 and the bending edge at one side, so as to fix the collection line 6 and make the collection line 6 avoid the avoiding hole as much as possible.
The utility model discloses a clamp plate 5's surface coating is fixed with the insulating layer, therefore clamp plate 5 has insulating and buffering shock-absorbing function, simultaneously because the insulating layer soaks moulds the shaping in clamp plate 5's outside, adopts to soak and moulds the shaping and can very convenient shaping play insulating layer, does not need the preparation mould, has also saved and has pasted the operating procedure, and simple manufacture is convenient, and is with low costs. Meanwhile, the collecting wire 6 is arranged in the U-shaped groove by crossing the top of the bending edge 52, namely, the bending edge 52 of the pressing plate is not provided with the wire passing hole, the wire passing hole is considered to be smaller, and after the plastic dipping solidification, the wire passing hole is easy to block, so that the wire passing hole is not directly arranged, the processing of the pressing plate can be facilitated (the step of processing the wire passing hole is omitted), and the wire passing hole is not arranged, so that the bending edge is not required to be too long, the material can be saved, and the material cost is reduced. In addition, since the insulating layer formed by dip molding is often relatively thick and has relatively good elasticity, even if the collecting wire 6 is directly lapped on the bent edge 52, the collecting wire 6 is not damaged due to the good elasticity of the insulating layer.
In other embodiments of the battery pack, in the process of manufacturing the pressing plate, when the pressing plate is subjected to plastic dipping treatment, the rest parts of the pressing plate except the connecting edge can be immersed in the liquid plastic, so that the rest parts are coated with the insulating layer except the connecting edge, and the insulating layer is not arranged outside the connecting edge.
In other embodiments of the battery pack, the entire outer portion of the pressing plate may be provided with an insulating layer including the connecting edge.
In other embodiments of the battery pack, the connecting edges may include only vertical edges on which the connecting holes are provided.
In other embodiments of the battery pack, a separate connecting edge may not be provided in the case where the pressing edge of the pressing plate may be fixedly connected to the case.
In other embodiments of the battery pack, the avoiding hole may be a long hole.
In other embodiments of the battery pack, the collecting wire may also be divided into two strands, which are respectively disposed next to the bent edges at the two sides.
In other embodiments of the battery pack, no tie may be used, for example, the collection wire may be adhesively secured to the pressure plate by an adhesive tape, or in the case of a collection wire with good plasticity, the collection wire may be arranged in a bent manner and may abut against the bent edge, without further securing measures.
The embodiment of the middle battery module of the utility model is that: the specific structure of the battery module is the same as that of the battery module in the above-described battery pack embodiment, and will not be repeated here.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery module, comprising:
a housing;
the battery cell is provided with a plurality of groups and is positioned in the shell, the top of the battery cell is provided with battery cell polar columns, and a safety valve is arranged between the battery cell polar columns at the top of the battery cell;
the busbar is welded on the battery cell pole;
the pressing plate is connected to the top of the shell and used for pressing the battery cell, the pressing plate comprises a pressing edge and bending edges positioned on the front side and the rear side of the pressing edge, the pressing edge and the bending edges on the two sides form a U-shaped groove, and the pressing edge is provided with avoidance holes in one-to-one correspondence with safety valves on the battery cell;
one end of the acquisition line is fixedly connected to the busbar, and the other end of the acquisition line is used for connecting a battery management system;
the method is characterized in that:
the surface coating of clamp plate is fixed with the insulating layer, the insulating layer soaks the outside of moulding at the clamp plate, gathers the line and crosses the top on the limit of bending arranges in the U-shaped inslot.
2. The battery module according to claim 1, wherein: the collection line is arranged near one side edge of bending, and the battery module further comprises a binding belt which passes through the avoiding hole and is bound outside the collection line and the one side edge of bending.
3. The battery module according to claim 1 or 2, wherein: the avoiding hole is a round hole with the aperture larger than that of the safety valve.
4. The battery module according to claim 1 or 2, wherein: the both ends on the tight limit of pressure are provided with and are used for the limit of being connected with casing fixed connection, connect the limit and be L shape, connect the limit including with compress tightly the perpendicular vertical limit that links to each other of limit and with the perpendicular horizontal limit that links to each other of vertical limit, the horizontal edge is provided with the connecting hole.
5. The battery module according to claim 4, wherein: the outside of the connecting edge is not provided with an insulating layer.
6. The utility model provides a battery pack, includes the battery box and installs the battery module in the battery box, is provided with battery management system in the battery box, and the battery module includes:
a housing;
the battery cell is provided with a plurality of groups and is positioned in the shell, the top of the battery cell is provided with battery cell polar columns, and a safety valve is arranged between the battery cell polar columns at the top of the battery cell;
the busbar is welded on the battery cell pole;
the pressing plate is connected to the top of the shell and used for pressing the battery cell, the pressing plate comprises a pressing edge and bending edges positioned on the front side and the rear side of the pressing edge, the pressing edge and the bending edges on the two sides form a U-shaped groove, and the pressing edge is provided with avoidance holes in one-to-one correspondence with safety valves on the battery cell;
one end of the acquisition line is fixedly connected to the busbar, and the other end of the acquisition line is connected with the battery management system;
the method is characterized in that:
the surface coating of clamp plate is fixed with the insulating layer, the insulating layer soaks the outside of moulding at the clamp plate, gathers the line and crosses the top on the limit of bending arranges in the U-shaped inslot.
7. The battery pack according to claim 6, wherein: the collection line is arranged near one side edge of bending, and the battery module further comprises a binding belt which passes through the avoiding hole and is bound outside the collection line and the one side edge of bending.
8. The battery pack according to claim 6 or 7, wherein: the avoiding hole is a round hole with the aperture larger than that of the safety valve.
9. The battery pack according to claim 6 or 7, wherein: the both ends on the tight limit of pressure are provided with and are used for the limit of being connected with casing fixed connection, connect the limit and be L shape, connect the limit including with compress tightly the perpendicular vertical limit that links to each other of limit and with the perpendicular horizontal limit that links to each other of vertical limit, the horizontal edge is provided with the connecting hole.
10. The battery pack according to claim 9, wherein: the outside of the connecting edge is not provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022644491.7U CN213546432U (en) | 2020-11-16 | 2020-11-16 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022644491.7U CN213546432U (en) | 2020-11-16 | 2020-11-16 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213546432U true CN213546432U (en) | 2021-06-25 |
Family
ID=76482241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022644491.7U Active CN213546432U (en) | 2020-11-16 | 2020-11-16 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213546432U (en) |
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2020
- 2020-11-16 CN CN202022644491.7U patent/CN213546432U/en active Active
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