CN220123240U - Outer shell structure of battery protection board - Google Patents
Outer shell structure of battery protection board Download PDFInfo
- Publication number
- CN220123240U CN220123240U CN202321668375.6U CN202321668375U CN220123240U CN 220123240 U CN220123240 U CN 220123240U CN 202321668375 U CN202321668375 U CN 202321668375U CN 220123240 U CN220123240 U CN 220123240U
- Authority
- CN
- China
- Prior art keywords
- battery protection
- heat dissipation
- tight
- buffer
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses an outer shell structure of a battery protection board, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are mutually covered and then can be fixedly connected through bolts so as to form a cavity for placing the battery protection board, the outer shell structure also comprises a tight-supporting buffer component and a tight-supporting heat dissipation component, a plurality of mounting terminals which can be matched and connected with the tight-supporting buffer component or the tight-supporting heat dissipation component are distributed on the bottom wall array of an inner cavity of the upper shell and the bottom wall array of the lower shell, a plurality of spare mounting terminals are arranged in the upper shell and the lower shell, and meanwhile, according to battery protection boards of different types, heat dissipation fins and bearing sheets can be mounted at corresponding positions so as to achieve the effect of increasing the adaptation range. The shell structure of the battery protection plate provided by the utility model has the effect of increasing heat dissipation for the battery protection plates of different models.
Description
Technical Field
The utility model relates to the technical field of electric control management, in particular to an outer shell structure of a battery protection board.
Background
The battery protection board, as the name implies, is mainly an integrated circuit board with protection function for charging. The protection required of lithium batteries is determined by its own characteristics. Because the material of the lithium battery determines that the lithium battery cannot be overcharged, overdischarged, overcurrent, short-circuited and ultrahigh-temperature charged and discharged, the lithium battery assembly always appears along with a protective plate with a sampling resistor and a current protector.
When the BMS battery protection board works, certain heat can be generated, if the BMS battery protection board does not timely dissipate heat, the stability of the battery protection board can be influenced, components and parts on the battery protection board are numerous, but not all the element parts are serious in heating, so that the chips serious in heating need to be subjected to targeted heat dissipation, and because the battery protection boards of various models are different in design, the positions of the chips serious in heating are also different, different protection shells need to be produced according to the models of the battery protection boards in order to meet the different battery protection boards, the economic degree is insufficient, and improvement is needed
Disclosure of Invention
In view of the above problems, an outer casing structure of a battery protection plate is provided to solve the defects in the prior art.
The specific technical scheme is as follows:
the utility model provides a battery protection board's shell body structure, includes casing and lower casing, go up the casing with lower casing lid back accessible bolt carries out fixed connection each other down to form the cavity that is used for placing battery protection board, still including supporting tight buffer assembly and supporting tight radiator unit, go up the casing with the inner chamber diapire array of lower casing distributes and has a plurality of can with support tight buffer assembly or support tight radiator unit cooperation connection's installation terminal.
The outer shell structure of the battery protection plate is characterized in that the tight supporting buffer assembly comprises a supporting portion and a buffer portion, the lower end of the buffer portion can be detachably connected with the mounting terminal, the supporting portion is arranged at the upper end of the buffer portion, and the end face of the upper end of the supporting portion is used for supporting the battery protection plate.
The beneficial effect of above-mentioned scheme: the bearing portion is used for laminating battery protection board, and after last casing and lower casing lid closed, buffer portion is in compression state, and the bearing portion just can support tight panel, prevents that it from taking place to rock.
The outer shell structure of the battery protection plate is characterized in that the bearing part comprises a bearing plate and a flexible bearing sheet, the bearing plate is arranged at the upper end of the buffer part, and the bearing sheet is arranged at one side, away from the buffer part, of the bearing plate.
The beneficial effect of above-mentioned scheme: the bearing plate is used for bearing the bearing sheet, increasing the contact area between the bearing sheet and the battery protection plate, preventing the battery protection plate from being damaged, and preventing hard objects from damaging welding spots or pins on the battery protection plate by contacting the flexible bearing sheet with the battery protection plate.
The shell structure of the battery protection plate is characterized in that the tight supporting heat dissipation assembly comprises heat dissipation fins and a buffer part, the lower end of the buffer part can be detachably connected with the mounting terminal, the heat dissipation fins are arranged at the upper end of the buffer part, and the heat absorption surfaces of the heat dissipation fins face away from the buffer part so as to attach a chip needing heat dissipation.
The beneficial effect of above-mentioned scheme: the heat radiation fins are attached to the heating chip through the function of the buffer part, and the positions of the heat radiation fins can be adjusted according to different battery protection plates so as to adapt to the battery protection plates of different models.
The outer shell structure of the battery protection plate is characterized in that the mounting terminal is a cylindrical extension body, one end face of each extension body is respectively connected with the bottom wall of the inner cavity of the upper shell or the bottom wall of the inner cavity of the lower shell, and the end face of the other end of each extension body is provided with a threaded hole.
The beneficial effect of above-mentioned scheme: the extending bodies are distributed in the shell through the array, so that the abutting heat dissipation assembly can be installed at any position, and the effect of adapting to different battery protection plates is achieved.
The shell structure of the battery protection plate is characterized in that the buffer part comprises a guide cylinder, a buffer spring, a sliding block and a screw rod, an opening of the guide cylinder is arranged downwards, one end of the buffer spring is connected with the bottom wall of an inner cavity of the guide cylinder, the other end of the buffer spring is connected with one end of the sliding block, the other end of the sliding block is connected with one end of the screw rod, the other end of the screw thread can be screwed into the threaded hole, the shape of the sliding block is square, the inner cavity of the guide cylinder is arranged into a rectangular cavity matched with the sliding block, and the sliding block can slide up and down along the inner cavity of the guide cylinder.
The beneficial effect of above-mentioned scheme: when the upper shell and the lower shell are mutually covered, the buffer parts in the upper shell and the lower shell are in a compressed state, and the resilience force of the buffer spring pushes the heat radiation fins and the bearing sheet to be tightly attached to the battery protection plate, so that the heat radiation fins and the bearing sheet can be effectively prevented from shaking or displacing.
In summary, the beneficial effects of this scheme are:
in the shell structure of the battery protection plate, the plurality of spare mounting terminals are arranged in the upper shell and the lower shell, and meanwhile, the radiating fins and the bearing sheets can be mounted at corresponding positions according to different types of battery protection plates, so that the effect of increasing the adaptation range is achieved. The shell structure of the battery protection plate provided by the utility model has the effect of increasing heat dissipation for the battery protection plates of different models.
Drawings
Fig. 1 is a front view structural diagram of an outer case structure of a battery protection plate of the present utility model;
fig. 2 is a top view of a lower case of an outer case structure of the battery protection plate of the present utility model;
FIG. 3 is a front cross-sectional view of a tight buffer assembly of an outer case structure of a battery protection plate of the present utility model;
fig. 4 is a front sectional view of the heat dissipation assembly of the battery protection plate of the present utility model.
Description of the drawings: 1. an upper housing; 2. a lower housing; 3. mounting terminals; 4. a bearing plate; 5. a support sheet; 6. a heat radiation fin; 7. a guide cylinder; 8. a slide block; 9. a buffer spring; 10. and (3) a screw.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be further illustrated, but is not limited, by the following examples.
Fig. 1 is a front view of a structure of an outer case of a battery protection plate according to the present utility model, fig. 2 is a top view of a lower case of a structure of an outer case of a battery protection plate according to the present utility model, fig. 3 is a front view of a tight buffer component of a structure of an outer case of a battery protection plate according to the present utility model, and fig. 4 is a front view of a tight heat dissipation component of a structure of an outer case of a battery protection plate according to the present utility model, as shown in fig. 1 to 4, the structure of an outer case of a battery protection plate according to the present embodiment: including last casing 1 and lower casing 2, go up casing 1 and lower casing 2 mutually lid back accessible bolt and carry out fixed connection to form the cavity that is used for placing battery protection board, still including supporting tight buffer module and supporting tight radiating module, go up casing 1 and lower casing 2's inner chamber diapire array and distribute and have a plurality of mounting terminals 3 that can be connected with supporting tight buffer module or supporting tight radiating module cooperation.
In the above embodiment, the abutting buffer assembly includes a bearing portion and a buffer portion, the lower end of the buffer portion is detachably connected with the mounting terminal 3, the bearing portion is disposed at the upper end of the buffer portion, and the upper end face of the bearing portion is used for abutting the battery protection board.
In the above embodiment, the support portion includes the support plate 4 and the flexible support piece 5, the support plate 4 is disposed at the upper end of the buffer portion, and the support piece 5 is disposed at one side of the support plate 4 away from the buffer portion.
In the above embodiment, the tight-supporting heat dissipation assembly includes the heat dissipation fins 6 and the buffer portion, the lower end of the buffer portion can be detachably connected with the mounting terminal 3, the heat dissipation fins 6 are disposed at the upper end of the buffer portion, and the heat absorption surface of the heat dissipation fins 6 faces away from the buffer portion, so as to attach the chip requiring heat dissipation.
In the above embodiment, the mounting terminal 3 is a cylindrical extension body, one end face of each of the plurality of extension bodies is connected with the bottom wall of the inner cavity of the upper housing 1 or the bottom wall of the inner cavity of the lower housing 2, and the other end face of each of the plurality of extension bodies is provided with a threaded hole.
In the above embodiment, the buffer portion includes the guide cylinder 7, the buffer spring 9, the slider 8 and the screw rod 10, the guide cylinder 7 opening sets up down, the one end of buffer spring 9 is connected with the inner chamber diapire of guide cylinder 7, the other end of buffer spring 9 is connected with the one end of slider 8, the other end of slider 8 is connected with the one end of screw rod 10, the other end of screw thread can screw in the screw hole, and the shape of slider 8 is square, the inner chamber of guide cylinder 7 sets up to the rectangle cavity with slider 8 looks adaptation, slider 8 can slide from top to bottom along the inner chamber of guide cylinder 7.
According to the working principle, a required number of support plates 5 are installed in the lower shell 2, screw rods 10 below the support plates 4 are screwed into the threaded holes, battery protection plates are placed on the support plates 5, corresponding support plates 5 are installed at positions, corresponding to the support plates 5 in the lower shell 2, of the upper shell 1, the screw rods 10 below the heat dissipation fins 6 are screwed on the corresponding installation terminals 3 according to positions of chips needing to be dissipated on the battery protection plates, the upper shell 1 is covered on the lower shell 2 until the upper shell and the lower shell are completely covered, the upper shell and the lower shell are fixed through bolts, at the moment, the heat dissipation fins 6 are closely attached to the chips needing to dissipate heat, and buffer springs 9 corresponding to the support plates 5 are in compression states, so that the battery protection plates are safely limited in a cavity.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the teachings of the present utility model, which are intended to be included within the scope of the present utility model.
Claims (6)
1. The utility model provides a shell body structure of battery protection board, includes casing (1) and lower casing (2), go up casing (1) with accessible bolt carries out fixed connection after casing (2) lid each other down to form the cavity that is used for placing battery protection board, its characterized in that: the heat dissipation device is characterized by further comprising a tight-propping buffer assembly and a tight-propping heat dissipation assembly, wherein a plurality of mounting terminals (3) which can be matched and connected with the tight-propping buffer assembly or the tight-propping heat dissipation assembly are distributed on the bottom wall array of the inner cavity of the upper shell (1) and the bottom wall array of the lower shell (2).
2. The outer case structure of a battery protection plate according to claim 1, wherein: the tight buffering component comprises a bearing part and a buffering part, the lower end of the buffering part can be detachably connected with the mounting terminal (3), the bearing part is arranged at the upper end of the buffering part, and the end face of the upper end of the bearing part is used for tightly supporting the battery protection plate.
3. The outer case structure of a battery protection plate according to claim 2, wherein: the bearing part comprises a bearing plate (4) and a flexible bearing sheet (5), wherein the bearing plate (4) is arranged at the upper end of the buffer part, and the bearing sheet (5) is arranged at one side, far away from the buffer part, of the bearing plate (4).
4. A battery protection plate outer case structure according to claim 3, wherein: the tight supporting heat dissipation assembly comprises heat dissipation fins (6) and a buffer part, the lower end of the buffer part can be detachably connected with the mounting terminal (3), the heat dissipation fins (6) are arranged at the upper end of the buffer part, and the heat absorption surface of the heat dissipation fins (6) faces away from the buffer part so as to attach a chip needing heat dissipation.
5. An outer case structure of a battery protection plate according to any one of claims 2 to 4, wherein: the mounting terminal (3) is a cylindrical extension body, one end face of each extension body is respectively connected with the bottom wall of the inner cavity of the upper shell (1) or the bottom wall of the inner cavity of the lower shell (2), and the end face of the other end of each extension body is provided with a threaded hole.
6. The outer case structure of a battery protection plate according to claim 5, wherein: the buffer part comprises a guide cylinder (7), a buffer spring (9), a sliding block (8) and a screw rod (10), wherein an opening of the guide cylinder (7) is downwards arranged, one end of the buffer spring (9) is connected with the bottom wall of an inner cavity of the guide cylinder (7), the other end of the buffer spring (9) is connected with one end of the sliding block (8), the other end of the sliding block (8) is connected with one end of the screw rod (10), the other end of the screw thread can be screwed into the threaded hole, the shape of the sliding block (8) is square, the inner cavity of the guide cylinder (7) is arranged into a rectangular cavity matched with the sliding block (8), and the sliding block (8) can slide up and down along the inner cavity of the guide cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668375.6U CN220123240U (en) | 2023-06-29 | 2023-06-29 | Outer shell structure of battery protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668375.6U CN220123240U (en) | 2023-06-29 | 2023-06-29 | Outer shell structure of battery protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220123240U true CN220123240U (en) | 2023-12-01 |
Family
ID=88888096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668375.6U Active CN220123240U (en) | 2023-06-29 | 2023-06-29 | Outer shell structure of battery protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220123240U (en) |
-
2023
- 2023-06-29 CN CN202321668375.6U patent/CN220123240U/en active Active
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| GR01 | Patent grant |