CN220383465U - Heat abstractor for circuit board - Google Patents
Heat abstractor for circuit board Download PDFInfo
- Publication number
- CN220383465U CN220383465U CN202322064101.2U CN202322064101U CN220383465U CN 220383465 U CN220383465 U CN 220383465U CN 202322064101 U CN202322064101 U CN 202322064101U CN 220383465 U CN220383465 U CN 220383465U
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- CN
- China
- Prior art keywords
- circuit board
- heat
- heat dissipating
- board body
- heat dissipation
- Prior art date
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat dissipating device for a circuit board, which comprises a circuit board body and a heat dissipating plate, wherein the heat dissipating plate is arranged below the circuit board body, limiting rods are arranged on the outer side of a mounting hole, an inner concave part is arranged in the heat dissipating plate, first heat dissipating fins are arranged on the outer side of the heat dissipating hole, legs with a T-shaped longitudinal section are fixed on the outer side of the heat dissipating plate, the mounting holes are arranged at the outer end of the heat dissipating plate at equal intervals, the longitudinal section of the limiting rods is in a Z-shaped structure, the sum of thickness dimensions of the circuit board body and the inner concave part is smaller than the height dimension of the limiting rods, the first heat dissipating fins and the heat dissipating holes are arranged in a staggered mode, and the second heat dissipating fins are fixed on the first heat dissipating fins at equal intervals. The heat dissipation device for the circuit board has the advantages that the connection structure limiting rod is convenient to install in the blank of the circuit board body, the circuit board body and the heat dissipation plate are connected more flexibly and stably, the heat exchange surface is enlarged, and the heat exchange effect is improved.
Description
Technical Field
The utility model relates to the technical field of heat dissipation of circuit boards, in particular to a heat dissipation device for a circuit board.
Background
The circuit board is a support body of the electronic component, the circuit board can be overheated in the long-time operation process, heat dissipation treatment is needed, and a heat dissipation device is arranged on the outer side of the circuit board, so that the service life of the circuit board is prolonged;
for example, the chinese patent of the utility model CN218277617U discloses a heat dissipating device for circuit board components, which connects a heat dissipating fin with a circuit board body conveniently and rapidly, and does not need to perform processes such as welding, so that the heat dissipating area is greatly increased, the overall heat dissipating effect and efficiency are improved, the connecting structure is fixed at a position on the circuit board body, holes are needed to be formed in the circuit board body, but electric elements are distributed on the circuit board body, the circuit board body and the heat dissipating plate are not conveniently and flexibly connected, heat is dissipated through the heat dissipating fin, but the heat dissipating surface still needs to be enlarged, and the heat dissipating efficiency is still to be improved.
Disclosure of Invention
The utility model aims to provide a heat dissipating device for a circuit board, which is characterized in that a connecting structure limiting rod is convenient to install at a blank of a circuit board body, the circuit board body and a heat dissipating plate are connected more flexibly and stably, a heat exchange surface is enlarged, and a heat exchange effect is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat dissipating device for a circuit board comprises a circuit board body and a heat dissipating plate:
a heat dissipation plate is arranged below the circuit board body, a mounting hole is formed in the heat dissipation plate, and a limiting rod is arranged outside the mounting hole;
the inside of heating panel is provided with interior concave part, and the inside of interior concave part has seted up the louvre, the outside of louvre is provided with first fin, and the outer end integral type of first fin is connected with the second fin, the lateral surface of heating panel is fixed with the stilt that the longitudinal section is "T" style of calligraphy structure.
Preferably, the mounting holes are formed at the outer end of the heat dissipation plate at equal intervals.
Preferably, the longitudinal section of the limiting rod is in a Z-shaped structure, and the limiting rod is fixedly connected with the heat dissipation plate through a screw.
Preferably, the sum of the thickness dimensions of the circuit board body and the recess is less than the height dimension of the defined lever.
Preferably, the first radiating fins and the radiating holes are staggered.
Preferably, the second radiating fins are fixed on the first radiating fins at equal intervals.
Compared with the prior art, the utility model has the beneficial effects that: according to the heat dissipation device for the circuit board, the connecting structure limiting rod is convenient to install in the blank of the circuit board body, the circuit board body and the heat dissipation plate are connected more flexibly and stably, the heat exchange surface is enlarged, and the heat exchange effect is improved;
1. the circuit board comprises a circuit board body, a heat radiation plate, mounting holes and limiting rods, wherein the mounting holes are formed in the heat radiation plate at equal intervals, the heat radiation plate is attached to the outer side of the circuit board body, the limiting rods are attached to the upper surface of the circuit board body, then screws penetrate through the limiting rods and are inserted into the selected mounting holes to limit the heat radiation plate and the circuit board body, and the connecting structure limiting rods are convenient to install in the blank of the circuit board body and are more flexible and stable to install;
2. the first radiating fins and the second radiating fins are arranged and absorb heat generated by the circuit board body, and the second radiating fins are fixed on the first radiating fins at equal intervals to form radiating grooves, so that a heat exchange surface is enlarged, and a heat exchange effect is improved.
Drawings
FIG. 1 is a schematic view of the whole structure of the connection between a heat dissipating plate and a circuit board body of the present utility model;
FIG. 2 is a schematic view of the overall structure of the restraining bar of the present utility model;
FIG. 3 is a schematic diagram showing the overall structure of the connection between the second heat dissipating fin and the first heat dissipating fin;
FIG. 4 is a schematic view showing the bottom view of the heat dissipating plate according to the present utility model;
fig. 5 is a schematic view showing the whole structure of the connection between the limiting rod and the circuit board body.
In the figure: 1. a circuit board body; 2. a heat dissipation plate; 3. a mounting hole; 4. a limiting rod; 5. an inner concave portion; 6. a heat radiation hole; 7. a first heat radiating fin; 8. a second heat radiating fin; 9. and (5) a foot post.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a heat abstractor for circuit board, includes circuit board body 1, heating panel 2, mounting hole 3, limiting rod 4, indent portion 5, louvre 6, first radiating fin 7, second radiating fin 8 and leg 9, as shown in fig. 1, is provided with heating panel 2 below circuit board body 1, and the inside equidistant mounting hole 3 of having seted up of heating panel 2, and the outside of mounting hole 3 is provided with limiting rod 4 that the longitudinal section is "Z" style of calligraphy structure;
the inside of the heat radiation plate 2 is provided with an inner concave part 5, the inside of the inner concave part 5 is uniformly provided with heat radiation holes 6, the outer side of the heat radiation holes 6 is provided with first heat radiation fins 7, the outer ends of the first heat radiation fins 7 are integrally connected with second heat radiation fins 8, the first heat radiation fins 7 and the heat radiation holes 6 are arranged in a staggered way, and the outer side surface of the heat radiation plate 2 is fixedly provided with a foot post 9 with a T-shaped longitudinal section;
when the connection between the heat dissipating plate 2 and the circuit board body 1 is required, as shown in fig. 1 and 4, the heat dissipating plate 2 is placed under the circuit board body 1, the outer side surface of the concave portion 5 is attached to the outer side surface of the circuit board body 1, so that the outer side surfaces of the legs 9 and the outer side surfaces of the first heat dissipating fins 7 are attached to the outer side surface of the circuit board body 1, the position where the limiting rod 4 can be placed on the circuit board body 1 is found, the limiting rod 4 is placed on the circuit board body 1, the outer side surface of the limiting rod 4 is attached to the upper surface of the circuit board body 1, then a screw is inserted through the limiting rod 4 and the mounting hole 3, the limiting rod 4 is fixedly connected with the heat dissipating plate 2 through the screw, and the limiting rod 4 is used to limit the circuit board body 1 and the heat dissipating plate 2.
Part of heat on the circuit board body 1 flows out from the heat radiating holes 6, and part of heat is absorbed by the heat radiating plate 2, the concave part 5, the first heat radiating fins 7, the second heat radiating fins 8 and the pins 9, as shown in fig. 3 and 4, since the second heat radiating fins 8 are fixed on the first heat radiating fins 7 at equal intervals, the heat exchanging surface of the heat radiating structure formed by the second heat radiating fins 8 and the first heat radiating fins 7 is enlarged, the heat radiating efficiency is improved, so that a series of operations of the heat radiating device for the circuit board can be completed.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a heat abstractor for circuit board, includes circuit board body (1) and heating panel (2), its characterized in that:
a heat radiation plate (2) is arranged below the circuit board body (1), a mounting hole (3) is formed in the heat radiation plate (2), and a limiting rod (4) is arranged outside the mounting hole (3);
the heat dissipation plate is characterized in that an inner concave part (5) is arranged in the heat dissipation plate (2), a heat dissipation hole (6) is formed in the inner concave part (5), a first heat dissipation fin (7) is arranged on the outer side of the heat dissipation hole (6), a second heat dissipation fin (8) is integrally connected with the outer end of the first heat dissipation fin (7), and a leg (9) with a T-shaped longitudinal section is fixed on the outer side face of the heat dissipation plate (2).
2. The heat dissipating apparatus for a circuit board according to claim 1, wherein: the mounting holes (3) are formed at the outer end of the heat dissipation plate (2) at equal intervals.
3. The heat dissipating apparatus for a circuit board according to claim 1, wherein: the longitudinal section of the limiting rod (4) is of a Z-shaped structure, and the limiting rod (4) is fixedly connected with the heat dissipation plate (2) through a screw.
4. The heat dissipating apparatus for a circuit board according to claim 1, wherein: the sum of the thickness dimensions of the circuit board body (1) and the recess (5) is smaller than the height dimension of the limiting rod (4).
5. The heat dissipating apparatus for a circuit board according to claim 1, wherein: the first radiating fins (7) and the radiating holes (6) are arranged in a staggered mode.
6. The heat dissipating apparatus for a circuit board according to claim 1, wherein: the second radiating fins (8) are fixed on the first radiating fins (7) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064101.2U CN220383465U (en) | 2023-08-02 | 2023-08-02 | Heat abstractor for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064101.2U CN220383465U (en) | 2023-08-02 | 2023-08-02 | Heat abstractor for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220383465U true CN220383465U (en) | 2024-01-23 |
Family
ID=89571322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322064101.2U Active CN220383465U (en) | 2023-08-02 | 2023-08-02 | Heat abstractor for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220383465U (en) |
-
2023
- 2023-08-02 CN CN202322064101.2U patent/CN220383465U/en active Active
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| GR01 | Patent grant | ||
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