CN222320456U - A busbar assembly - Google Patents
A busbar assembly Download PDFInfo
- Publication number
- CN222320456U CN222320456U CN202420883913.1U CN202420883913U CN222320456U CN 222320456 U CN222320456 U CN 222320456U CN 202420883913 U CN202420883913 U CN 202420883913U CN 222320456 U CN222320456 U CN 222320456U
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- Prior art keywords
- plate
- heat conducting
- heat
- fixedly connected
- liquid cooling
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- 238000001816 cooling Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本实用新型提供了一种汇流排组件，包括散热组件，所述散热组件包括液冷板、导热座、散热翅片、第一导热板、第二导热板、导热柱、弹簧、导热套筒、接触板和连接槽；所述连接槽等距开设于所述液冷板的下表面。本实用新型通过将接触板对准连接端子，向下按压液冷板，弹簧受力后被压缩，同时液冷板带动第一导热板向下移动，当第一导热板与导体贴合后，使用限位耳板限定液冷板的位置，此时在弹簧的作用力下，接触板与连接端子紧密贴合，进而当电池工作时，通过接触板、导热套筒、导热柱和第二导热板可以对连接端子内的热量进行传递，然后通过液冷板将热量带走，进而实现对连接端子的散热，避免出现局部过热的情况，保证了电池的稳定运行。
The utility model provides a busbar assembly, including a heat dissipation assembly, wherein the heat dissipation assembly includes a liquid cooling plate, a heat conducting seat, a heat dissipation fin, a first heat conducting plate, a second heat conducting plate, a heat conducting column, a spring, a heat conducting sleeve, a contact plate and a connection groove; the connection groove is equidistantly arranged on the lower surface of the liquid cooling plate. The utility model aligns the contact plate with the connection terminal, presses the liquid cooling plate downward, and the spring is compressed after being stressed, and at the same time, the liquid cooling plate drives the first heat conducting plate to move downward. When the first heat conducting plate is fitted with the conductor, a limiting ear plate is used to limit the position of the liquid cooling plate. At this time, under the action of the spring, the contact plate is tightly fitted with the connection terminal, and then when the battery is working, the heat in the connection terminal can be transferred through the contact plate, the heat conducting sleeve, the heat conducting column and the second heat conducting plate, and then the heat is taken away by the liquid cooling plate, thereby realizing the heat dissipation of the connection terminal, avoiding the situation of local overheating, and ensuring the stable operation of the battery.
Description
Technical Field
The utility model relates to a component, in particular to a busbar component, and belongs to the technical field of battery busbars.
Background
In the field of new energy technology, for example, in the field of new energy automobiles, a battery pack generally adopts a structure in which a bus bar is connected to a battery module. The bus structure has the advantages of higher technical degree, higher universality, simple preparation process and high reliability, and can be widely applied. In the battery pack, the bus bars function as current collection and distribution. It can collect the current in the battery pack together and output to the external device through the connection line.
At present, a busbar structure generally adopts a natural cooling mode to dissipate heat, but the heat management effect is poor, and under certain special working conditions, the battery cell is subjected to severe high-current charging, so that the temperature rise of the busbar is higher, and in the prior art, the heat dissipation of the busbar is realized by using the cooperation of some heat conduction and heat dissipation mechanisms;
For example, CN202223060424.6 "a busbar assembly and a battery pack" discloses a technology, which is to guide the heat in the busbar into the liquid cooling plate by setting a heat pipe with heat conducting function, so as to realize heat dissipation of the busbar, but the following technical problems still exist in the heat conducting process by the heat conducting mode of the heat pipe:
The busbar is connected with the positive electrode and the negative electrode of the battery through the connecting terminals, and a welding mode is adopted, so that in the use process, the busbar is mainly a heating point, and further, in a special working condition, local overheating can be caused, and the use safety of the battery is affected.
For this purpose, a busbar arrangement is proposed.
Disclosure of utility model
In view of the foregoing, the present utility model provides a busbar assembly to solve or alleviate the technical problems of the prior art, and at least provides an advantageous choice.
The technical scheme of the embodiment of the utility model is that the busbar assembly comprises a heat dissipation assembly, wherein the heat dissipation assembly comprises a liquid cooling plate, a heat conduction seat, heat dissipation fins, a first heat conduction plate, a second heat conduction plate, a heat conduction column, a spring, a heat conduction sleeve, a contact plate and a connecting groove;
The connecting grooves are formed in the lower surface of the liquid cooling plate at equal intervals, the lower surface of the heat conducting seat is fixedly connected to the upper surface of the first heat conducting plate, the radiating fins are fixedly connected to the two sides of the heat conducting seat at equal intervals, the top ends of the heat conducting columns are fixedly connected to the lower surface of the second heat conducting plate, the bottom ends of the heat conducting sleeves are fixedly connected to the upper surface of the contact plate, and the springs are sleeved on the heat conducting sleeves and the outer parts of the heat conducting columns.
Further preferably, the bottom end of the heat conducting column is located inside the heat conducting sleeve, and the outer side wall of the heat conducting column is slidably connected to the inner side wall of the heat conducting sleeve.
Further preferably, the top end of the spring is fixedly connected to the lower surface of the second heat conducting plate, and the bottom end of the spring is fixedly connected to the upper surface of the contact plate.
Further preferably, the second heat conducting plate is embedded in the connecting groove, and the upper surface of the heat conducting seat is fixedly connected to the lower surface of the liquid cooling plate.
Further preferably, a main body component is mounted on the lower surface of the first heat conducting plate, and the main body component comprises a conductor, a connecting terminal, two limiting ear plates, an elastic sheet and a through groove;
the lower surface of the first heat-conducting plate is attached to the upper surface of the conductor, and the through grooves are formed in the conductor at equal intervals.
Further preferably, the connection terminal is fixedly connected to the inside of the through groove through the elastic piece.
Further preferably, the two limiting ear plates are symmetrically and fixedly connected to two sides of the conductor, and the conductor is fixedly connected with the liquid cooling plate through the two limiting ear plates.
Further preferably, the contact plate is located inside the through groove, and a lower surface of the contact plate is attached to an upper surface of the connection terminal.
The embodiment of the utility model adopts the technical scheme that the contact plate is aligned with the connecting terminal, the liquid cooling plate is pressed downwards, the spring is compressed after being stressed, the liquid cooling plate drives the first heat conducting plate to move downwards, the position of the liquid cooling plate is limited by the limiting lug plate after the first heat conducting plate is attached to the conductor, the contact plate is tightly attached to the connecting terminal under the acting force of the spring at the moment, and then when the battery works, heat in the connecting terminal can be transferred through the contact plate, the heat conducting sleeve, the heat conducting column and the second heat conducting plate, and then the heat is taken away through the liquid cooling plate, so that the heat dissipation of the connecting terminal is realized, the situation of local overheating is avoided, and the stable operation of the battery is ensured.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a block diagram of a heat dissipating assembly according to the present utility model;
FIG. 3 is a first heat-conducting plate structure of the present utility model;
FIG. 4 is a schematic diagram of the connection of a heat conductive post and a heat conductive sleeve according to the present utility model;
Fig. 5 is a block diagram of the body assembly of the present utility model.
Reference numerals are 101, a heat dissipation assembly, 11, a liquid cooling plate, 12, a heat conduction seat, 13, a heat dissipation fin, 14, a first heat conduction plate, 15, a second heat conduction plate, 16, a heat conduction column, 17, a spring, 18, a heat conduction sleeve, 19, a contact plate, 20, a connecting groove, 301, a main body assembly, 31, a conductor, 32, a connecting terminal, 33, a limiting lug plate, 34, an elastic sheet, 35 and a through groove.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, an embodiment of the present utility model provides a busbar assembly, including a heat dissipation assembly 101, where the heat dissipation assembly 101 includes a liquid cooling plate 11, a heat conduction seat 12, a heat dissipation fin 13, a first heat conduction plate 14, a second heat conduction plate 15, a heat conduction post 16, a spring 17, a heat conduction sleeve 18, a contact plate 19, and a connection groove 20;
The connecting grooves 20 are equidistantly formed in the lower surface of the liquid cooling plate 11, the lower surface of the heat conducting seat 12 is fixedly connected to the upper surface of the first heat conducting plate 14, the radiating fins 13 are equidistantly and fixedly connected to two sides of the heat conducting seat 12, the top ends of the heat conducting columns 16 are fixedly connected to the lower surface of the second heat conducting plate 15, the bottom ends of the heat conducting sleeves 18 are fixedly connected to the upper surface of the contact plate 19, and the springs 17 are sleeved outside the heat conducting sleeves 18 and the heat conducting columns 16.
In one embodiment, the bottom end of the heat conducting post 16 is located inside the heat conducting sleeve 18, the outer side wall of the heat conducting post 16 is slidably connected to the inner side wall of the heat conducting sleeve 18, the top end of the spring 17 is fixedly connected to the lower surface of the second heat conducting plate 15, the bottom end of the spring 17 is fixedly connected to the upper surface of the contact plate 19, and the contact plate 19 can be contacted with the busbar by pushing the contact plate 19 through the spring 17.
In one embodiment, the second heat conducting plate 15 is embedded in the connecting groove 20, the upper surface of the heat conducting seat 12 is fixedly connected to the lower surface of the liquid cooling plate 11, heat in the busbar can be transferred through the second heat conducting plate 15 and the heat conducting seat 12, and then the heat is taken away through the liquid cooling plate 11.
In one embodiment, the lower surface of the first heat conductive plate 14 is mounted with a body assembly 301, and the body assembly 301 includes a conductor 31, a connection terminal 32, two limiting ear plates 33, an elastic piece 34, and a through slot 35;
The lower surface of the first heat-conducting plate 14 is attached to the upper surface of the conductor 31, through grooves 35 are formed in the conductor 31 at equal intervals, the connecting terminals 32 are fixedly connected to the inside of the through grooves 35 through elastic sheets 34, and the elastic sheets 34 enable the connecting terminals 32 to be in close contact with the electrodes of the battery cells, so that the conductive effect is improved.
In one embodiment, the two limiting ear plates 33 are symmetrically and fixedly connected to two sides of the conductor 31, the conductor 31 is fixedly connected with the liquid cooling plate 11 through the two limiting ear plates 33, the contact plate 19 is located in the through groove 35, the lower surface of the contact plate 19 is attached to the upper surface of the connecting terminal 32, and then heat in the connecting terminal 32 can be transferred through the contact plate 19, and then the heat is taken away through the liquid cooling plate 11.
When the battery is in operation, the connecting terminal 32 is aligned with the electrode of the battery core, then the electrode of the battery core is welded with the connecting terminal 32, the contact plate 19 is aligned with the connecting terminal 32, the liquid cooling plate 11 is pressed downwards, the heat conducting column 16 moves downwards along the heat conducting sleeve 18 after being pressed, the spring 17 is compressed after being stressed, the liquid cooling plate 11 drives the first heat conducting plate 14 to move downwards through the heat conducting seat 12, when the first heat conducting plate 14 is jointed with the conductor 31, the position of the liquid cooling plate 11 is limited by the limiting lug plate 33, the limiting lug plate 33 is welded with the conductor 31, at the moment, the contact plate 19 is tightly jointed with the connecting terminal 32 under the action force of the spring 17, and then when the battery is in operation, heat in the connecting terminal 32 can be transferred through the contact plate 19, the heat conducting sleeve 18, the heat conducting column 16 and the second heat conducting plate 15, and then the heat dissipation of the connecting terminal 32 is realized through the liquid cooling plate 11, the situation of local overheating is avoided, the stable operation of the battery is ensured, and the heat dissipation of the conductor 31 can be carried out through the first heat conducting plate 14, the heat conducting seat 12 and the liquid cooling plate 11.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The busbar assembly comprises a heat dissipation assembly (101) and is characterized in that the heat dissipation assembly (101) comprises a liquid cooling plate (11), a heat conduction seat (12), heat dissipation fins (13), a first heat conduction plate (14), a second heat conduction plate (15), heat conduction columns (16), springs (17), heat conduction sleeves (18), contact plates (19) and connecting grooves (20);
The connecting grooves (20) are formed in the lower surface of the liquid cooling plate (11) at equal intervals, the lower surface of the heat conducting base (12) is fixedly connected to the upper surface of the first heat conducting plate (14), the heat radiating fins (13) are fixedly connected to the two sides of the heat conducting base (12) at equal intervals, the top ends of the heat conducting columns (16) are fixedly connected to the lower surface of the second heat conducting plate (15), the bottom ends of the heat conducting sleeves (18) are fixedly connected to the upper surface of the contact plate (19), and the springs (17) are sleeved on the outer parts of the heat conducting sleeves (18) and the heat conducting columns (16).
2. A busbar assembly according to claim 1, wherein the bottom ends of the heat conducting posts (16) are located inside the heat conducting sleeve (18), and the outer side walls of the heat conducting posts (16) are slidably connected to the inner side walls of the heat conducting sleeve (18).
3. A busbar assembly according to claim 1, wherein the top end of the spring (17) is fixedly connected to the lower surface of the second heat conducting plate (15), and the bottom end of the spring (17) is fixedly connected to the upper surface of the contact plate (19).
4. A busbar assembly according to claim 3, wherein the second heat conducting plate (15) is embedded in the connecting groove (20), and the upper surface of the heat conducting seat (12) is fixedly connected to the lower surface of the liquid cooling plate (11).
5. A busbar assembly according to claim 1, wherein a lower surface of the first heat conductive plate (14) is mounted with a body assembly (301), the body assembly (301) including a conductor (31), a connection terminal (32), two limit lugs (33), an elastic piece (34) and a through groove (35);
The lower surface of the first heat-conducting plate (14) is attached to the upper surface of the conductor (31), and the through grooves (35) are formed in the conductor (31) at equal intervals.
6. A busbar assembly according to claim 5, wherein the connection terminal (32) is fixedly connected to the inside of the through groove (35) through the elastic piece (34).
7. A busbar assembly as set forth in claim 5, wherein two of said limiting lugs (33) are symmetrically and fixedly connected to both sides of said conductor (31), said conductor (31) being fixedly connected to said liquid cooling plate (11) through two of said limiting lugs (33).
8. A busbar assembly according to claim 6, wherein the contact plate (19) is located inside the through groove (35), and a lower surface of the contact plate (19) is attached to an upper surface of the connection terminal (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420883913.1U CN222320456U (en) | 2024-04-26 | 2024-04-26 | A busbar assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420883913.1U CN222320456U (en) | 2024-04-26 | 2024-04-26 | A busbar assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222320456U true CN222320456U (en) | 2025-01-07 |
Family
ID=94088329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420883913.1U Active CN222320456U (en) | 2024-04-26 | 2024-04-26 | A busbar assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222320456U (en) |
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2024
- 2024-04-26 CN CN202420883913.1U patent/CN222320456U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |