CN218570698U - Closed heat dissipation device - Google Patents
Closed heat dissipation device Download PDFInfo
- Publication number
- CN218570698U CN218570698U CN202220647224.1U CN202220647224U CN218570698U CN 218570698 U CN218570698 U CN 218570698U CN 202220647224 U CN202220647224 U CN 202220647224U CN 218570698 U CN218570698 U CN 218570698U
- Authority
- CN
- China
- Prior art keywords
- matching
- heat
- main body
- radiating fins
- heat conduction
- 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.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a closed heat dissipation device, wherein a heat conduction main body is provided with a bottom surface and side surfaces formed at two ends of the heat conduction bottom surface in the length direction; the bottom surface is provided with radiating fins; two ends of the radiating fin extend to the side faces of the corresponding ends; the plurality of radiating fins are arranged in parallel along the width direction of the bottom surface, and an air channel is formed between every two adjacent radiating fins; the matching body is matched with the heat conduction main body and is provided with a matching position; at the matching position, an interlayer space for accommodating the radiating fins is formed between the heat conducting main body and the matching body; the two ends of the air duct on the heat-conducting main body are provided with ventilation openings communicated with the interlayer space; an exhaust fan is arranged in the ventilation opening; the matching body is provided with a ventilation hole communicated with the interlayer space. The utility model discloses can avoid radiating fin whole or most to expose in the outside air, prolong radiating fin's life, and the radiating efficiency is high, and the radiating effect is good.
Description
Technical Field
The utility model relates to a radiator technical field especially relates to a closed heat abstractor.
Background
Among the parts of the electric appliance that are easy to heat, heat dissipation operations such as a circuit board, a lithium battery, a charging module, etc. need to be performed using a heat sink. At present, the heat is generally dissipated by adopting a metal heat dissipating fin, the easy-to-heat component is in contact with the heat dissipating fin, and the heat is conducted to the heat dissipating fin and dissipated to the ambient air through the heat dissipating fin. In the radiating operation process, the radiating fins naturally radiate heat by heat exchange with air, and the radiating efficiency is low. In addition, the whole or most of the heat dissipating fins are exposed to the outside air, and a large amount of dust in the air adheres to the heat dissipating fins, resulting in a reduction in the heat dissipating efficiency of the heat dissipating fins.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists above-mentioned, the utility model aims at: the closed heat dissipation device is provided, the heat dissipation fins are closed in the interlayer space, all or most of the heat dissipation fins are prevented from being exposed to the outside air, the service life of the heat dissipation fins is prolonged, the heat dissipation efficiency is high, and the heat dissipation effect is good.
The technical solution of the utility model is realized like this: a closed heat sink comprises a heat conducting main body, a cover plate and a matching body;
the heat conduction body is internally provided with an installation space, and the top surface is provided with an inlet and an outlet communicated with the installation space; the cover plate is used for opening and closing the access;
the heat conduction main body is provided with a bottom surface and side surfaces formed at two ends of the length direction of the heat conduction bottom surface;
the bottom surface is provided with radiating fins; two ends of the radiating fin extend to the side faces of the corresponding ends; the plurality of radiating fins are arranged in parallel along the width direction of the bottom surface, and an air channel is formed between every two adjacent radiating fins;
the matching body is matched with the heat conduction main body and is provided with a matching position; in the matching position, an interlayer space for accommodating the radiating fins is formed between the heat conduction main body and the matching body; the two ends of the air duct on the heat conduction main body are provided with ventilation openings communicated with the interlayer space; an exhaust fan is arranged in the ventilation opening; and the matching body is provided with a ventilation hole communicated with the interlayer space.
Furthermore, wing plates are arranged at two ends of the heat conduction main body in the width direction of the bottom surface; the radiating fins are arranged between the two wing plates; a first opening is formed between the bottoms of the two wing plates, and a second opening is formed between the end parts of the two wing plates; the matching body is provided with two groups, including a lower sealing plate and a side sealing plate formed on one side of the lower sealing plate; in the matching position, the lower sealing plates of the two groups of matching bodies are matched with each other to cover the first openings, and the side sealing plates of the two groups of matching bodies respectively cover the second openings at corresponding positions.
Furthermore, the lower sealing plate is in plug-in fit with the wing plate along the length direction of the bottom surface and is provided with a plug-in position; and in the inserting position, the side sealing plates cover the second opening, and the end surfaces of the lower sealing plates of the two groups of matching bodies, which are far away from the side sealing plates, are tightly matched.
Further, the ventilation hole is formed in the lower sealing plate.
Furthermore, a locking matching structure is arranged between the side sealing plate and the heat conducting main body; and at the inserting position, the side sealing plates are locked on the heat conducting main body through locking matching structures.
Furthermore, the cover plate is made of heat conduction materials, and heat dissipation protrusions are arranged on the cover plate.
Furthermore, a filter screen covering the ventilation hole is arranged on the matching body.
Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:
1. the utility model seals the radiating fins in the interlayer space, prevents all or most of the radiating fins from being exposed in the outside air, further can reduce the probability of dust attaching to the radiating fins, prolongs the service life of the radiating fins,
2. the utility model discloses an exhaust fan has been arranged at radiating fin's both ends, and the air current can flow along the wind channel that forms between the radiating fin in the intermediate layer space to can take away the heat of conduction to radiating fin fast, effectively improve radiating fin's radiating efficiency.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
fig. 1 is a schematic three-dimensional structure diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
fig. 4 is a schematic three-dimensional structure of the mating body of the present invention during assembly;
fig. 5 is a schematic three-dimensional structure diagram of the heat conducting main body of the present invention;
FIG. 6 is a schematic three-dimensional structure of FIG. 5 from another perspective;
fig. 7 is a schematic three-dimensional structure diagram of the mating body of the present invention;
wherein: 1. a thermally conductive body; 11. an installation space; 12. a bottom surface; 13. a side surface; 14. a vent; 15. a wing plate; 151. a slot; 2. a heat dissipating fin; 3. an interlayer space; 4. a cover plate; 41. a heat dissipation projection; 5. a ventilation hole; 6. a mating body; 61. a lower sealing plate; 62. and (4) side sealing plates.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Fig. 1-7 show a closed heat dissipation device according to the present invention, which is used for heat dissipation operations of a circuit board, a lithium battery, a charging module, and the like. The device comprises a heat-conducting body 1, a cover plate 4 and a matching body 6. The heat conducting body 1 is made of metal heat conducting materials and is of a box-shaped structure. The heat conductive body 1 is formed inside with an installation space 11, and the aforementioned easy heat generation components such as a circuit board, a lithium battery, a charging module, etc. are installed in the installation space 11. An inlet and outlet communicating with the installation space 11 is formed on the top surface of the heat conductive body 1. The above-described heat-generating component enters and exits the installation space 11 through the doorway. The cover plate 4 is attached to the heat conductive body 1 by means of screws for opening and closing the access. When the cover plate 4 is covered on the doorway, the installation space 11 forms a closed space, and dust in the outside air is hard to contact with the easy-to-heat components in the installation space 11, so that the service life of the aforementioned easy-to-heat components is prolonged.
The heat conductive body 1 has a bottom surface 12 and side surfaces 13 formed at both ends in the longitudinal direction of the heat conductive bottom surface 12. The bottom surface 12 is formed with heat radiating fins 2. Both ends of the heat dissipating fin 2 extend to the side surfaces 13 of the corresponding ends. A plurality of radiating fins 2 are arranged in parallel along the width direction of the bottom surface 12, and an air duct is formed between two adjacent radiating fins 2. The fitting body 6 is fitted to the heat conductive body 1 and has a fitting position. In this fitted position, an interlayer space 3 accommodating all the heat dissipating fins 2 is formed between the heat conductive body 1 and the fitting body 6. In this embodiment, the side wall of the interlayer space 3 is in clearance fit connection with the heat dissipation fins 2. The heat conductive body 1 is formed with ventilation openings 14 at both ends of the air duct to communicate with the interlayer space 3. The ventilation openings 14 are arranged corresponding to both ends of the air duct. A fan is installed in the ventilation opening 14. The air outlet end of the exhaust fan is arranged towards the outer side of the ventilation opening 14. The matching body 6 is provided with a ventilation hole 5 communicated with the interlayer space 3. Through the structural design, after the exhaust fan is started, air flow enters the interlayer space 3 from the ventilation holes 5 and is exhausted from the ventilation opening 14 through the air channel. Wherein, a filter screen covering the ventilation holes 5 is installed on the matching body 6 to filter impurities such as dust in the air.
In this embodiment, the heat conductive body 1 is formed with wing plates 15 at both ends in the width direction of the bottom surface 12. The wing plates 15 on both sides, the bottom surface 12 and the side surface 13 form part of the structure of the interlayer space 3. The heat sink fins are located between the two wings 15. A first opening is formed between the bottoms of the two flaps 15, which first opening corresponds to the bottom surface 12, and a second opening is formed between the ends of the two flaps 15, which second opening corresponds to the side surface 13. The fitting body 6 is arranged in two sets including a lower seal plate 61 and a side seal plate 62 formed on one side of the lower seal plate 61. In the aforementioned engaged position, the lower sealing plates 61 of the two sets of engaging bodies 6 engage with each other to cover the first openings, and the side sealing plates 62 of the two sets of engaging bodies 6 respectively cover the second openings at the corresponding positions. By the above-mentioned structure design, the aforementioned interlayer space is formed between the two sets of engaging bodies 6, the two wing plates 15, the bottom surface 12 and the side surfaces 13. The ventilation holes 5 are formed in the lower cover plate 61, and the filter net is mounted on the lower cover plate 61.
In this embodiment, the lower end of the wing plate 15 is provided with an insertion groove 151, and the insertion groove 151 extends along the length direction of the bottom surface 12 and has two open ends. The two side edges of the lower sealing plate 61 of each set of matching body 6 are matched with the inserting grooves 151 of the corresponding side wing plates 15 in an inserting way along the length direction of the bottom surface 12, and the matching body has an inserting position. The lower cover plate 61 is drawn out of the insertion groove 151, so that the mating body 6 can be detached from the heat conductive body 1. In the plugging position, the side sealing plate 62 covers the second opening of the corresponding position, and the end surfaces of the lower sealing plates 61 of the two sets of matching bodies 6 far away from the side sealing plates 62 are tightly matched.
The locking fit structure is installed between the side sealing plate 62 and the heat conducting main body 1. The locking fit structure includes a plurality of through holes disposed on the edge of the side sealing plate 62, screw holes disposed on the heat conductive body 1 corresponding to the through holes, and bolts. Wherein the central axes of the through-going hole and the threaded hole extend in the length direction of the bottom surface 12. In the aforementioned plugging position, the side sealing plate 62 covers the second opening, the through hole corresponds to the threaded hole, and the side sealing plate 62 is locked on the heat conducting body 1 by a screw, so that the mating body 6 can be fixed on the heat conducting body 1. The cover plate 4 is made of heat conducting material, and the heat dissipating protrusion 41 is formed on the cover plate 4. In this embodiment, the heat dissipation structure is processed on the other side surfaces of the heat conduction main body 1 except the bottom surface 12 and the side surface 13, so as to improve the heat dissipation effect of the whole heat conduction main body 1.
In particular, when installing, the easy-to-heat-generate part is installed into the installation space 11, and the entrance and exit are covered by the cover plate 4, so that the installation space 11 forms a closed space into which dust of the outside air does not enter the installation space 11. The lower closing plates 61 of the two sets of fitting bodies 6 are inserted into the insertion grooves 151 of the wing plates 15 from the corresponding side positions and pushed to predetermined positions, and finally the fitting bodies 6 are locked to the heat conductive body 1 by bolts.
During the heat dissipation operation, under the effect of exhaust fan, the air current gets into intermediate layer space 3 by ventilative hole 5 to can flow along the wind channel that forms between the radiating fin in intermediate layer space 3, take away the heat of conduction to the radiating fin fast, effectively improve radiating fin's radiating efficiency. After long-term use, the bolts are loosened to detach the fitting body 6 from the heat conduction body 1, and the heat dissipation fins 2 can be cleaned from dust and the like.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. A closed heat sink comprises a heat conducting main body, a cover plate and a matching body; the method is characterized in that:
the heat conduction body is internally provided with an installation space, and the top surface is provided with an inlet and an outlet communicated with the installation space; the cover plate is used for opening and closing the access;
the heat conduction main body is provided with a bottom surface and side surfaces formed at two ends of the length direction of the heat conduction bottom surface;
the bottom surface is provided with radiating fins; two ends of the radiating fin extend to the side faces of the corresponding ends; the plurality of radiating fins are arranged in parallel along the width direction of the bottom surface, and an air channel is formed between every two adjacent radiating fins;
the matching body is matched with the heat conduction main body and is provided with a matching position; at the matching position, an interlayer space for accommodating the radiating fins is formed between the heat conducting main body and the matching body; the two ends of the air duct on the heat-conducting main body are provided with ventilation openings communicated with the interlayer space; an exhaust fan is arranged in the ventilation opening; and the matching body is provided with a ventilation hole communicated with the interlayer space.
2. The enclosed heat sink of claim 1, wherein: wing plates are arranged at two ends of the heat conduction main body in the width direction of the bottom surface; the radiating fins are arranged between the two wing plates; a first opening is formed between the bottoms of the two wing plates, and a second opening is formed between the end parts of the two wing plates; the matching bodies are provided with two groups, and each group of matching bodies comprises a lower sealing plate and a side sealing plate formed on one side of the lower sealing plate; in the matching position, the lower sealing plates of the two groups of matching bodies are matched with each other to cover the first openings, and the side sealing plates of the two groups of matching bodies respectively cover the second openings at corresponding positions.
3. The enclosed heat sink of claim 2, wherein: the lower sealing plate is in inserting fit with the wing plate along the length direction of the bottom surface and is provided with an inserting position; and in the inserting position, the side sealing plates cover the second opening, and the end surfaces of the lower sealing plates of the two groups of matching bodies, which are far away from the side sealing plates, are tightly matched.
4. A closed heat sink device according to claim 3, wherein: the ventilation hole is formed in the lower sealing plate.
5. The enclosed heat sink of claim 3, wherein: a locking matching structure is arranged between the side sealing plate and the heat conducting main body; and at the inserting position, the side sealing plates are locked on the heat conducting main body through locking matching structures.
6. The enclosed heat sink of claim 1, wherein: the cover plate is made of heat conduction materials, and heat dissipation protrusions are arranged on the cover plate.
7. The enclosed heat sink of claim 1, wherein: and a filter screen covering the ventilation hole is arranged on the matching body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647224.1U CN218570698U (en) | 2022-03-23 | 2022-03-23 | Closed heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647224.1U CN218570698U (en) | 2022-03-23 | 2022-03-23 | Closed heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218570698U true CN218570698U (en) | 2023-03-03 |
Family
ID=85303655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220647224.1U Active CN218570698U (en) | 2022-03-23 | 2022-03-23 | Closed heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218570698U (en) |
-
2022
- 2022-03-23 CN CN202220647224.1U patent/CN218570698U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210008133U (en) | Heat abstractor and communication equipment | |
| CN110370964B (en) | Terminal waterproof heat dissipation mechanism and rifle that charges | |
| CN109874281B (en) | Communication equipment and optical module with heat radiation structure thereof | |
| CN112366882B (en) | Automobile motor casing convenient for heat dissipation and installation and manufacturing process and application thereof | |
| CN109257904B (en) | Heat abstractor and machine case | |
| CN218570698U (en) | Closed heat dissipation device | |
| CN219592959U (en) | Heat abstractor and vehicle | |
| CN217849909U (en) | Heat radiation structure and high-protection driver comprising same | |
| CN108925123B (en) | Totally-enclosed conduction air-cooled machine case with brand-new heat transfer path | |
| CN211090372U (en) | Waterproof heat radiation structure of ground station and ground station | |
| CN215379559U (en) | Cabinet assembly and heat exchanger | |
| CN115413200A (en) | Power equipment and photovoltaic system | |
| CN211429851U (en) | Waterproof heat radiation structure and ground station | |
| CN209963940U (en) | Power adapter with cooling device | |
| CN209982994U (en) | Communication equipment and optical module with heat dissipation structure | |
| CN218602539U (en) | Heat abstractor, power supply unit and integral type energy storage equipment | |
| CN216114393U (en) | Automatically controlled box, outer machine of air conditioner and air conditioner | |
| CN214705437U (en) | Electric power marketing measurement data storage device | |
| CN217684873U (en) | Control box | |
| CN217635951U (en) | Air duct assembly and dehumidifier | |
| CN221227171U (en) | Portable power supply | |
| CN221200220U (en) | Sealing device applied to projector | |
| CN211653581U (en) | Sealed reinforced cabinet | |
| CN217057758U (en) | Outdoor machine of air conditioner | |
| CN214380723U (en) | Frequency converter with heat dissipation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tongli town Tongxing village, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Mingkai Precision Technology (Suzhou) Co.,Ltd. Address before: Tongli town Tongxing village, Wujiang District, Suzhou City, Jiangsu Province Patentee before: WUJIANG MINGKAI METAL PRODUCTS Co.,Ltd. |