CN210694761U - Plastic radiator with increased radiating area - Google Patents
Plastic radiator with increased radiating area Download PDFInfo
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- CN210694761U CN210694761U CN201921939636.7U CN201921939636U CN210694761U CN 210694761 U CN210694761 U CN 210694761U CN 201921939636 U CN201921939636 U CN 201921939636U CN 210694761 U CN210694761 U CN 210694761U
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- heat dissipation
- radiating
- fins
- heat
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Abstract
The utility model discloses an increase heat radiating area's plastic radiator, including radiating bottom plate and a plurality of heat radiation fins of arranging at the radiating bottom plate top surface, heat radiation fins perpendicular to radiating bottom plate, heat radiation fins are rectangular slice, form first heat dissipation channel between two adjacent heat radiation fins, are formed with a plurality of radiating hole grooves that extend to the top from the bottom on heat radiation fins's leading flank or/and the trailing flank. The thickness of the radiating fins is gradually reduced from the bottom end to the top end, so that the front side surfaces or/and the rear side surfaces of the radiating fins are in an inclined plane shape. The utility model discloses a form the radiating hole groove that extends from the bottom to the top on heat radiation fins to design into the structure that thickness reduces gradually from the bottom to the top with heat radiation fins, increased heat radiation fins's intensity, and increased heat radiating area, thereby improved the radiating efficiency.
Description
Technical Field
The utility model relates to an electronic product heat dissipation technical field specifically is a plastics radiator who relates to an increase heat radiating area.
Background
In medium and low power electronic products such as televisions, routers and the like, radiators are often required to dissipate heat, at present, the commonly used radiators usually comprise different metal materials, the radiators made of the metal materials are formed by aluminum extrusion and die casting, the radiators formed by aluminum extrusion have high density and large design limitation, are not suitable for radiators with complex design, and have high cost because design characteristics such as avoidance, hollowing, punching and the like of the design of the radiators are required to be learned through post reprocessing processes such as CNC (computerized numerical control) processing and the like. For example, after the radiator is extruded to the aluminium, middle square boss and square fretwork and round hole all need back end CNC to process, and the cost is higher, and aluminum product density is high simultaneously, and weight is heavy. For example, the middle square boss, the square hollow part and the round hole of the radiator formed by aluminum die casting can be directly formed, but the problems of metal burrs, product deformation and the like can be generated after the radiator is formed, reprocessing or reprocessing is needed, the requirements on the design and the materials of a die casting die are high, the die casting process is complex, the production environment is severe, pollution is large, the density of aluminum materials is high, and the weight is heavy. Compared with the prior art, the heat-conducting plastic radiator has the advantages of obvious advantages, simple injection molding, simple process, no aftertreatment, no pollution, low density and low cost, and is suitable for the radiator with simple and complex design. As shown in fig. 9, the conventional plastic heat sink includes heat dissipation fins 100 and a heat dissipation bottom plate 200, wherein the heat dissipation bottom plate is a horizontal plate, the heat dissipation fins are in a strip shape and are uniformly arranged on the top surface of the heat dissipation bottom plate, the middle part of the bottom surface of the heat dissipation bottom plate is an attaching surface, and heat is transferred to the heat dissipation bottom plate through the attaching surface to dissipate heat.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an increase heat radiating area's plastic radiator has improved plastic radiator's radiating efficiency, has increased heat radiation fins's intensity.
The technical scheme of the utility model is realized like this:
the plastic radiator comprises a radiating bottom plate and a plurality of radiating fins arranged on the top surface of the radiating bottom plate, wherein the radiating fins are perpendicular to the radiating bottom plate and are in strip sheets, a first radiating channel is formed between every two adjacent radiating fins, and a plurality of radiating hole grooves extending from the bottom end to the top end are formed in the front side surface or/and the rear side surface of each radiating fin.
Furthermore, the plurality of heat dissipation hole slots are uniformly distributed at intervals along the length direction of the heat dissipation fins.
Furthermore, the cross section of the heat dissipation hole groove is square or circular arc.
Furthermore, a plurality of radiating hole grooves are formed in the front side surface and the rear side surface of each radiating fin, and the radiating hole grooves in the front side surface of each radiating fin and the radiating hole grooves in the rear side surface of each radiating fin are arranged back to back.
Furthermore, the thickness of the heat dissipation fins is gradually reduced from the bottom end to the top end, so that the front side surfaces or/and the rear side surfaces of the heat dissipation fins are in an inclined plane shape.
Furthermore, the top ends of the radiating fins are in the shape of a circular arc surface.
Further, the heat dissipation bottom plate and the heat dissipation fins are integrally formed in an injection molding mode.
Furthermore, the heat dissipation fins are cut into a plurality of heat dissipation small pieces, a heat dissipation cut is formed between every two adjacent heat dissipation small pieces, and the heat dissipation cuts of the plurality of heat dissipation fins are opposite to each other to form a second heat dissipation channel.
The utility model has the advantages that: the utility model provides an increase heat radiating area's plastic radiator through form the radiating hole groove that extends from the bottom to the top on heat radiation fins, has reached the purpose that increases heat radiation fins's heat radiating area to the radiating efficiency has been improved greatly. Preferably, the heat dissipation fins are designed into a structure with the thickness gradually reduced from the bottom end to the top end, so that the purpose of increasing the strength of the heat dissipation fins is achieved, and after the bottom end is widened, the heat dissipation area can be increased, so that the heat dissipation efficiency is improved. Preferably, the radiating fins are cut into a plurality of radiating small pieces, a radiating notch is formed between every two adjacent radiating small pieces, and the radiating notches of the radiating fins are opposite to form a second radiating channel, so that the aims of increasing the radiating area and reducing the weight of a product are fulfilled.
Drawings
Fig. 1 is a perspective view of a preferred embodiment 1 of the present invention;
fig. 2 is a front view of a preferred embodiment 1 of the present invention;
fig. 3 is a side view of the preferred embodiment 1 of the present invention;
fig. 4 is a perspective view of a preferred embodiment 2 of the present invention;
fig. 5 is a front view of a preferred embodiment 2 of the present invention;
fig. 6 is a side view of the preferred embodiment 2 of the present invention;
fig. 7 is a perspective view of a preferred embodiment 3 of the present invention;
fig. 8 is a side view of the preferred embodiment 3 of the present invention;
fig. 9 is a perspective view of a conventional plastic heat sink.
Detailed Description
In order to make the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, a plastic heat sink for increasing a heat dissipation area comprises a heat dissipation base plate 1 and a plurality of heat dissipation fins 2 arranged on the top surface of the heat dissipation base plate, wherein the heat dissipation fins are perpendicular to the heat dissipation base plate, the heat dissipation fins are in a strip shape and are in a sheet shape, a first heat dissipation channel 3 is formed between every two adjacent heat dissipation fins, and a plurality of heat dissipation hole slots 4 extending from the bottom end to the top end are formed on the front side surface or/and the rear side surface of each heat dissipation fin. Therefore, the radiating hole groove extending from the bottom end to the top end is formed on the radiating fins, and the purpose of increasing the radiating area of the radiating fins is achieved through the curved surface structure of the radiating hole groove, so that the radiating efficiency is greatly improved.
In the above structure, the heat dissipation fins and the heat dissipation bottom plate are made of heat conductive plastic material, such as general plastic, engineering plastic, and special plastic.
Preferably, the plurality of heat dissipation hole slots are uniformly distributed at intervals along the length direction of the heat dissipation fins. In this way, heat can be quickly and uniformly conducted and dispersed to the whole radiator.
Preferably, the cross section of the heat dissipation hole groove is square or circular arc. For example, fig. 1, 2 and 3 illustrate a circular arc-shaped heat dissipation hole slot structure, and in other embodiments, a triangle or other shapes may be used.
Preferably, a plurality of heat dissipation hole slots are formed in the front side surface and the rear side surface of each heat dissipation fin, and the heat dissipation hole slots in the front side surface of each heat dissipation fin and the heat dissipation hole slots in the rear side surface of each heat dissipation fin are arranged back to back. In this way, heat can be transferred more evenly across the heat sink.
Preferably, the plurality of heat dissipation fins are uniformly spaced and arranged on the top surface of the heat dissipation base plate in a parallel state.
Example 2
As shown in fig. 4, 5 and 6, a plastic heat sink with increased heat dissipation area includes a heat dissipation base plate 1 and a plurality of heat dissipation fins 2 arranged on the top surface of the heat dissipation base plate, and this embodiment 2 has all the technical features of embodiment 1, and is characterized in that the thickness of the heat dissipation fins is gradually reduced from the bottom end to the top end, so that the front side surfaces or/and the rear side surfaces of the heat dissipation fins are inclined. Fig. 4 illustrates a case where the front side and the rear side of the heat dissipation fin are both inclined, but the present invention is not limited thereto, and in other embodiments, the heat dissipation fin may have an upper half portion that is inclined and a lower half portion that is straight. Therefore, the radiating fins are designed into a structure with the thickness gradually reduced from the bottom end to the top end, the purpose of increasing the strength of the radiating fins can be achieved, and after the bottom end is widened, the radiating area can be increased, so that the radiating efficiency is improved.
Preferably, the top end of the heat dissipation fin is in a shape of a circular arc surface. The arc design of top is used for increasing heat radiating area.
Preferably, the heat dissipation base plate and the heat dissipation fins are integrally formed by injection molding. Through integrative injection moulding radiating bottom plate and heat radiation fins, can reduce the assembling process, improve production machining efficiency.
Example 3
As shown in fig. 7 and 8, a plastic heat sink with increased heat dissipation area includes a heat dissipation base plate 1 and a plurality of heat dissipation fins 2 arranged on the top surface of the heat dissipation base plate, and this embodiment 3 has all the technical features of this embodiment 2, and is different in that the heat dissipation fins are cut into a plurality of heat dissipation small pieces 21, a heat dissipation slit 22 is formed between two adjacent heat dissipation small pieces, and the heat dissipation slits of the plurality of heat dissipation fins are opposite to each other to form a second heat dissipation channel 5. Therefore, the radiating fins are cut into a plurality of radiating small pieces to form radiating notches, so that the purposes of increasing the radiating area and reducing the weight of the product are achieved. Referring to fig. 8, each heat sink chip is provided with one heat sink hole groove, but the invention is not limited thereto, and two or more heat sink hole grooves may be provided on one heat sink chip. Preferably, the width of the heat dissipation slits is the same as or close to the thickness of the heat dissipation fins.
To sum up, the utility model provides an increase heat radiating area's plastic radiator has reached the purpose that increases heat radiating area of heat radiating fin through the radiating hole groove that forms on heat radiating fin from the bottom to the top extension to the radiating efficiency has been improved greatly. The radiating fins are designed into a structure with the thickness gradually reduced from the bottom end to the top end, so that the aim of increasing the strength of the radiating fins is fulfilled, and after the bottom end is widened, the radiating area can be increased, so that the radiating efficiency is improved. The radiating fins are cut into the radiating small pieces, the radiating notches are formed between the two adjacent radiating small pieces, and the radiating notches of the radiating fins are opposite to form the second radiating channel, so that the aims of increasing the radiating area and reducing the weight of a product are fulfilled.
The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.
Claims (8)
1. The utility model provides an increase heat radiating area's plastic heat sink which characterized in that: the heat dissipation structure comprises a heat dissipation base plate (1) and a plurality of heat dissipation fins (2) arranged on the top surface of the heat dissipation base plate, wherein the heat dissipation fins are perpendicular to the heat dissipation base plate and are in strip sheets, a first heat dissipation channel (3) is formed between every two adjacent heat dissipation fins, and a plurality of heat dissipation hole grooves (4) extending from the bottom end to the top end are formed in the front side surface or/and the rear side surface of each heat dissipation fin.
2. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the plurality of radiating hole grooves are uniformly distributed at intervals along the length direction of the radiating fins.
3. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the cross section of the heat dissipation hole groove is square or circular arc.
4. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the heat dissipation holes are formed in the front side face and the rear side face of each heat dissipation fin, and the heat dissipation holes in the front side face of each heat dissipation fin and the heat dissipation holes in the rear side face of each heat dissipation fin are arranged back to back.
5. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the thickness of the radiating fins is gradually reduced from the bottom end to the top end, so that the front side surfaces or/and the rear side surfaces of the radiating fins are in an inclined plane shape.
6. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the top ends of the radiating fins are in the shape of a circular arc surface.
7. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the heat dissipation bottom plate and the heat dissipation fins are integrally formed in an injection molding mode.
8. The plastic heat sink with increased heat dissipation area as recited in claim 1, wherein: the radiating fins are cut into a plurality of radiating small pieces (21), radiating notches (22) are formed between every two adjacent radiating small pieces, and the radiating notches of the radiating fins are opposite to each other to form a second radiating channel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939636.7U CN210694761U (en) | 2019-11-12 | 2019-11-12 | Plastic radiator with increased radiating area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939636.7U CN210694761U (en) | 2019-11-12 | 2019-11-12 | Plastic radiator with increased radiating area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210694761U true CN210694761U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939636.7U Active CN210694761U (en) | 2019-11-12 | 2019-11-12 | Plastic radiator with increased radiating area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210694761U (en) |
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2019
- 2019-11-12 CN CN201921939636.7U patent/CN210694761U/en active Active
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