CN220036988U - Heat radiation structure of centrifugal fan - Google Patents
Heat radiation structure of centrifugal fan Download PDFInfo
- Publication number
- CN220036988U CN220036988U CN202320954471.0U CN202320954471U CN220036988U CN 220036988 U CN220036988 U CN 220036988U CN 202320954471 U CN202320954471 U CN 202320954471U CN 220036988 U CN220036988 U CN 220036988U
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- CN
- China
- Prior art keywords
- fixedly connected
- fan
- protection box
- filter screen
- heat dissipation
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- 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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- 230000005855 radiation Effects 0.000 title claims description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Abstract
The utility model relates to the technical field of heat dissipation structures, in particular to a heat dissipation structure of a centrifugal fan, which comprises a base, wherein the top of the base is fixedly connected with a protection box, one side of the protection box is fixedly connected with a fan, the inside of the protection box is fixedly connected with a driving assembly, the driving assembly is used for driving the fan, and one end of the driving assembly, which is far away from the protection box, is provided with a heat dissipation cleaning mechanism. According to the utility model, through the arrangement of the driving assembly, the heat dissipation cleaning mechanism, the plugboard, the filter screen and the protection box, when the filter screen is used, the connecting rod rotates to drive the fan blades and the connecting plate on the connecting rod to rotate, the fan blades rotate to discharge heat in the protection box outwards, the scraper on the connecting plate is driven to clean the filter screen on the plugboard through the rotation of the connecting plate, the situation that the heat cannot be dissipated due to the fact that the filter screen is blocked by dust for a long time is avoided, manual participation is not needed, labor is saved, and meanwhile, the filter screen can be conveniently cleaned or replaced by the plugboard which can be pulled and replaced.
Description
Technical Field
The utility model relates to the technical field of heat dissipation structures, in particular to a heat dissipation structure of a centrifugal fan.
Background
The centrifugal fan is driven fluid machinery, which increases the pressure of gas and discharges the gas by means of the input mechanical energy, and can accelerate the gas by utilizing the impeller rotating at high speed according to the principle that the kinetic energy is converted into potential energy, then decelerate and change the flow direction, so that the kinetic energy is converted into potential energy, and the pressure of the gas can be increased and the gas can be discharged.
CN202121639956.8 can guide the heat that the motor during operation produced through the heat conduction annular fin that sets up to heat dissipation is carried out on the multiunit fin, simultaneously can accelerate the air flow between the multiunit fin under the effect of radiator fan, in order to improve the heat dispersion of fin, and under the effect of asbestos board, can keep apart this internal heat of centrifugal fan, in order to avoid the motor to appear overheated damage phenomenon, thereby improve centrifugal fan's life, simultaneously under compression spring's promotion effect, can compress tightly the pressure disk, with disperse pressure to the heat conduction annular fin through the component frame, make the heat conduction annular fin can be abundant with the motor contact, in order to guarantee that the heat conduction annular fin can fully guide the heat, however, current centrifugal fan is when carrying high temperature gas, the heat of high temperature gas in the organism can give off and cause the temperature around the motor on the fan to rise, simultaneously the motor can appear high Wen Xianxiang under long-time work, cause the motor to appear overheated phenomenon during operation under this kind of phenomenon, in addition, seriously influence its life, long-time use louvre, it is very convenient to clear up regularly.
Disclosure of Invention
The utility model aims to provide a heat dissipation structure of a centrifugal fan, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a centrifugal fan's heat radiation structure, includes the base, the top fixedly connected with guard box of base, one side fixedly connected with fan of guard box, the inside fixedly connected with drive assembly of guard box, drive assembly is used for the drive of fan, install the heat dissipation clearance mechanism on the one end that guard box was kept away from to drive assembly.
Preferably, the heat dissipation openings are formed in the two ends of the protection box, the sliding grooves are formed in the two sides of the inner wall of the heat dissipation opening, the inserting plate is installed in the sliding grooves in a clamping mode, the filter screen is arranged on the inserting plate, and the handle is fixedly connected to the top of the inserting plate.
Preferably, the driving assembly comprises a motor shell, the motor shell is fixedly connected to the bottom surface of the inner wall of the protection box, a stator is mounted on the inner wall of the motor shell, and a rotor is rotatably mounted in the stator.
Preferably, the output shaft is fixedly connected to one end, close to the fan, of the rotor, the output shaft is fixedly connected to the driving end of the fan, and the worm is fixedly connected to one end, far away from the output shaft, of the rotor.
Preferably, the heat dissipation cleaning mechanism comprises a worm wheel, a connecting rod is fixedly connected to the worm wheel, fan blades and connecting plates are fixedly connected to two ends of the connecting rod, and the worm wheel is meshed with the worm.
Preferably, the fan blade is located between the connecting plate and the worm wheel, a scraping plate is fixedly connected to one end, away from the fan blade, of the connecting plate, and the scraping plate corresponds to the filter screen and is in contact with the filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arrangement of the driving assembly, the heat dissipation cleaning mechanism, the plugboard, the filter screen and the protection box, when the filter screen is used, a user controls the driving assembly to work through the controller, the output end of the driving assembly rotates to drive the output shafts and the worm at the two ends to rotate, the output shafts rotate to drive the fan to work, the worm rotates to drive the worm wheel meshed with the heat dissipation cleaning mechanism to rotate, the worm wheel rotates to drive the connecting rod to rotate, the connecting rod rotates to drive the fan blades and the connecting plate to rotate, the fan blades rotate to discharge heat in the protection box outwards, the connecting plate rotates to drive the scraping plate on the connecting plate to clean the filter screen on the plugboard, the situation that heat cannot be dissipated due to the fact that dust is blocked by the filter screen for a long time is avoided, manual participation is not needed, and meanwhile the plugboard capable of being pulled to be replaced is convenient for cleaning or replacing the filter screen.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a heat dissipating structure of a centrifugal fan according to the present utility model;
FIG. 2 is a schematic diagram of the overall cross-sectional structure of a heat dissipating structure of a centrifugal fan according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a driving assembly of a heat dissipating structure of a centrifugal fan according to the present utility model;
FIG. 4 is a schematic view of a protection box of a heat dissipation structure of a centrifugal fan according to the present utility model;
fig. 5 is a schematic structural diagram of a driving assembly and a heat dissipation cleaning mechanism of a heat dissipation structure of a centrifugal fan.
In the figure: 1. a base; 2. a protection box; 201. a heat radiation port; 202. a chute; 3. a blower; 4. a drive assembly; 401. a motor housing; 402. a stator; 403. a rotor; 404. an output shaft; 405. a worm; 5. a heat dissipation cleaning mechanism; 501. a worm wheel; 502. a connecting rod; 503. a fan blade; 504. a connecting plate; 505. a scraper; 6. a plug board; 7. and (3) a filter screen.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.
Example 1:
referring to fig. 1 to 5, the present utility model provides a technical solution:
the utility model provides a centrifugal fan's heat radiation structure, includes base 1, the top fixedly connected with guard box 2 of base 1, one side fixedly connected with fan 3 of guard box 2, the inside fixedly connected with drive assembly 4 of guard box 2, drive assembly 4 are used for the drive of fan 3, install heat dissipation clearance mechanism 5 on the one end that guard box 2 was kept away from to drive assembly 4.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the two ends of the protection box 2 are provided with heat dissipation openings 201, two sides of the inner wall of the heat dissipation openings 201 are provided with sliding grooves 202, the sliding grooves 202 are internally clamped with the plugboard 6, the plugboard 6 is provided with a filter screen 7, and the top of the plugboard 6 is fixedly connected with a handle.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the driving assembly 4 includes a motor housing 401, the motor housing 401 is fixedly connected to the bottom surface of the inner wall of the protection box 2, a stator 402 is mounted on the inner wall of the motor housing 401, and a rotor 403 is rotatably mounted inside the stator 402.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, an output shaft 404 is fixedly connected to one end of the rotor 403 close to the fan 3, the output shaft 404 is fixedly connected to the driving end of the fan 3, and a worm 405 is fixedly connected to one end of the rotor 403 far away from the output shaft 404.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the heat dissipation cleaning mechanism 5 includes a worm wheel 501, a connecting rod 502 is fixedly connected to the worm wheel 501, fan blades 503 and connecting plates 504 are fixedly connected to two ends of the connecting rod 502, and the worm wheel 501 is meshed with the worm 405.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the fan blade 503 is located between the connecting plate 504 and the worm gear 501, and a scraper 505 is fixedly connected to one end of the connecting plate 504 away from the fan blade 503, where the scraper 505 corresponds to and contacts the filter screen 7.
The application method and the advantages of the utility model are as follows: when the heat radiation structure of the centrifugal fan is used, the working process is as follows:
as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, firstly, external power is supplied to the electric equipment in the device, when the device is used, a user controls the driving component 4 to work through the controller, the output end of the driving component 4 rotates to drive the output shafts 404 and the worm 405 at two ends to rotate, the output shafts 404 rotate to drive the fan 3 to work, the worm 405 rotates to drive the worm wheel 501 meshed with the heat dissipation cleaning mechanism 5 to rotate, the worm wheel 501 rotates to drive the connecting rod 502 to rotate, the connecting rod 502 rotates to drive the fan blade 503 and the connecting plate 504 on the connecting rod 502 to rotate, the fan blade 503 rotates to discharge heat inside the protection box 2 outwards, the scraper 505 on the connecting plate 504 is driven to clean the filter screen 7 on the plug board 6 through the rotation of the connecting plate 504, the condition that the heat cannot be dissipated due to long-time dust blocking the filter screen 7 is avoided, manual participation is not needed, meanwhile, the plug board 6 capable of being pulled and replaced is also convenient to clean or replace the filter screen 7.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a centrifugal fan's heat radiation structure, includes base (1), its characterized in that: the novel fan cooling device is characterized in that the top of the base (1) is fixedly connected with a protection box (2), one side of the protection box (2) is fixedly connected with a fan (3), the inside of the protection box (2) is fixedly connected with a driving assembly (4), the driving assembly (4) is used for driving the fan (3), and one end, far away from the protection box (2), of the driving assembly (4) is provided with a heat dissipation cleaning mechanism (5);
a heat radiation opening (201) is formed in two ends of the protection box (2), sliding grooves (202) are formed in two sides of the inner wall of the heat radiation opening (201), a plugboard (6) is installed in the sliding grooves (202) in a clamping mode, a filter screen (7) is arranged on the plugboard (6), and a handle is fixedly connected to the top of the plugboard (6);
the driving assembly (4) comprises a rotor (403), an output shaft (404) is fixedly connected to one end, close to the fan (3), of the rotor (403), the output shaft (404) is fixedly connected to the driving end of the fan (3), and a worm (405) is fixedly connected to one end, far away from the output shaft (404), of the rotor (403);
the heat dissipation cleaning mechanism (5) comprises a worm wheel (501), a connecting rod (502) is fixedly connected to the worm wheel (501), fan blades (503) and connecting plates (504) are fixedly connected to the two ends of the connecting rod (502), the worm wheel (501) is meshed with a worm (405), the fan blades (503) are located between the connecting plates (504) and the worm wheel (501), a scraper (505) is fixedly connected to one end, away from the fan blades (503), of the connecting plates (504), and the scraper (505) corresponds to the filter screen (7) and is in contact with the filter screen.
2. The heat dissipation structure of a centrifugal fan according to claim 1, wherein: the driving assembly (4) further comprises a motor shell (401), the motor shell (401) is fixedly connected to the bottom surface of the inner wall of the protection box (2), a stator (402) is mounted on the inner wall of the motor shell (401), and the inside of the stator (402) is rotationally connected with the rotor (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954471.0U CN220036988U (en) | 2023-04-25 | 2023-04-25 | Heat radiation structure of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954471.0U CN220036988U (en) | 2023-04-25 | 2023-04-25 | Heat radiation structure of centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036988U true CN220036988U (en) | 2023-11-17 |
Family
ID=88744364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320954471.0U Active CN220036988U (en) | 2023-04-25 | 2023-04-25 | Heat radiation structure of centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036988U (en) |
-
2023
- 2023-04-25 CN CN202320954471.0U patent/CN220036988U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |