CN221401130U - Low-noise amplitude flow type cooling fan - Google Patents
Low-noise amplitude flow type cooling fan Download PDFInfo
- Publication number
- CN221401130U CN221401130U CN202323049066.3U CN202323049066U CN221401130U CN 221401130 U CN221401130 U CN 221401130U CN 202323049066 U CN202323049066 U CN 202323049066U CN 221401130 U CN221401130 U CN 221401130U
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- China
- Prior art keywords
- cooling fan
- noise amplitude
- flow cooling
- amplitude flow
- fixedly provided
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- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a low-noise amplitude flow type cooling fan, which comprises a fixed frame; the installation board, the installation board respectively fixed mounting in the both ends of fixed frame, one side fixed mounting of installation board has the collection fan housing, the one end fixed mounting of the medial surface of collection fan housing has the filter screen, the inside fixed mounting of filter screen has the rotation cover, the medial surface rotation of rotation cover is connected with the pivot, the one end fixed mounting of pivot has the threaded rod, the lateral surface threaded connection of threaded rod has the nut, the other end fixed mounting of pivot has square pole. According to the low-noise amplitude flow cooling fan, the structures such as the filter screen, the rotating sleeve, the rotating shaft, the threaded rod, the rotating plate, the cleaning brush and the speed reducer are matched with each other, and when the low-noise amplitude flow cooling fan is used, dust can be blocked through the filter screen, and the dust is prevented from being blown onto the transformer through the fan blades, so that the normal use of the transformer is affected.
Description
Technical Field
The utility model relates to the technical field of cooling fans, in particular to a low-noise amplitude flow cooling fan.
Background
The cooling fan is mainly used for cooling and increasing capacity of the dry type transformer, cooling and lowering temperature of products such as electronic equipment, a power distribution cabinet, a high-low voltage switch cabinet and the like. When the transformer works, the coil winding can generate heat, if the heat is not timely processed, the heat can be accumulated to enable the temperature of the transformer to rise, the working efficiency of the transformer can be affected, the service life of the transformer is shortened, and even more, dangers can be caused, and in order to avoid various problems, a cooling device is generally arranged on the transformer.
As in the patent application with publication number CN 216199126U in the prior art, the impeller of the low-noise amplitude flow cooling fan consists of circular arc-shaped blade strips and circular discs, and the blade strips are inclined radially relative to the circular discs, so that air entering the fan can be rapidly extruded and then sent out from the air port, and compared with the rectangular blade strips, the energy consumption is smaller, the noise is reduced, and the air quantity is larger; the rubber connecting bushing is arranged between the impeller and the bearing seat, so that the impeller and the bearing seat are flexibly connected, vibration during working is reduced, and noise is reduced. The driving motor is a low-noise motor, the noise is lower during rotation, the noise of the cooling fan can be effectively reduced, and the quality of the cooling fan is improved.
However, when the cooling device is used, the filtering device is lack, dust-bearing air is easily blown to the transformer, and dust on the outer side surface of the transformer is easily accumulated when the cooling device is used for a long time, so that the normal use of the transformer is affected.
Therefore, it is necessary to provide a low noise amplitude flow cooling fan to solve the above technical problems.
Disclosure of utility model
The utility model provides a low-noise amplitude flow cooling fan, which solves the problem that dust is easily accumulated on the surface of a transformer to influence the normal use of the transformer because fan blades directly pump air to the transformer.
In order to solve the technical problems, the utility model provides a low-noise amplitude flow cooling fan, which comprises:
A fixed frame;
The installation plates are respectively and fixedly installed at two ends of the fixed frame, one side of one installation plate is fixedly provided with a wind collecting cover, one end of the inner side surface of the wind collecting cover is fixedly provided with a filter screen, the inside of the filter screen is fixedly provided with a rotating sleeve, the inner side surface of the rotating sleeve is rotationally connected with a rotating shaft, one end of the rotating shaft is fixedly provided with a threaded rod, the outer side surface of the threaded rod is in threaded connection with a nut, and the other end of the rotating shaft is fixedly provided with a square rod;
The fixing ring is sleeved on the outer side face of the threaded rod, rotating rods are fixedly arranged on two sides of the fixing ring, cleaning brushes are fixedly arranged on one side of the rotating rods, and the cleaning brushes are arranged on one side of the filter screen;
The installation pole, the installation pole fixed mounting in the medial surface of collection fan housing, the inside fixed mounting of installation pole has the speed reducer, square groove has been seted up to the output of speed reducer, square groove set up in the lateral surface of square pole.
Preferably, the fixing ring is arranged at one side of the nut.
Preferably, the inner side surface of the fixed frame is fixedly provided with a ventilation cover, both ends of the inner side surface of the ventilation cover are fixedly provided with first support rods, and the inner parts of the two first support rods are rotationally connected with fan blades.
Preferably, one end of the fan blade is fixedly arranged at the input end of the speed reducer, and the other end of the fan blade is fixedly provided with a driving motor.
Preferably, the outer side surface of the driving motor is fixedly provided with a second supporting rod.
Preferably, two ends of the second supporting rod are respectively and fixedly arranged on two sides of the inner side surface of the fixed frame.
Preferably, the inside of fixed frame is fixed mounting has the soundproof cotton.
Compared with the related art, the low-noise amplitude flow cooling fan provided by the utility model has the following beneficial effects:
The utility model provides a low-noise amplitude flow cooling fan which is matched with structures such as a filter screen, a rotating sleeve, a rotating shaft, a threaded rod, a rotating plate, a cleaning brush, a speed reducer and the like, and when the low-noise amplitude flow cooling fan is used, dust can be blocked through the filter screen, and the dust is prevented from being blown onto a transformer through fan blades, so that the normal use of the transformer is affected.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a low noise amplitude flow cooling fan according to the present utility model;
FIG. 2 is a schematic side view of the vent hood of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 4 is an enlarged schematic view of portion B shown in FIG. 1;
fig. 5 is a schematic structural diagram of a second embodiment of a low noise amplitude flow cooling fan according to the present utility model.
Reference numerals in the drawings: 1. the device comprises a fixed frame, 11, a mounting plate, 12, a wind collecting cover, 13, a filter screen, 14, a rotating sleeve, 15, a rotating shaft, 16, a threaded rod, 17, a nut, 18, a square rod, 2, a fixed ring, 21, a rotating plate, 22, a cleaning brush, 3, a mounting rod, 31, a speed reducer, 32, a square groove, 4, an energizing cover, 41, a first supporting rod, 42, a fan blade, 43, a driving motor, 44, a second supporting rod, 5 and soundproof cotton.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a low noise amplitude flow cooling fan according to the present utility model; FIG. 2 is a schematic side view of the vent hood of FIG. 1; FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1; fig. 4 is an enlarged schematic view of the portion B shown in fig. 1. A low noise amplitude flow cooling fan comprising: a fixed frame 1;
The installation plates 11 are respectively and fixedly installed at two ends of the fixed frame 1, one side of one installation plate 11 is fixedly provided with a wind collecting cover 12, one end of the inner side surface of the wind collecting cover 12 is fixedly provided with a filter screen 13, the inside of the filter screen 13 is fixedly provided with a rotating sleeve 14, the inner side surface of the rotating sleeve 14 is rotationally connected with a rotating shaft 15, one end of the rotating shaft 15 is fixedly provided with a threaded rod 16, the outer side surface of the threaded rod 16 is in threaded connection with a nut 17, and the other end of the rotating shaft 15 is fixedly provided with a square rod 18;
The fixed ring 2 is sleeved on the outer side surface of the threaded rod 16, two sides of the fixed ring 2 are fixedly provided with rotating rods 21, one side of each rotating rod 21 is fixedly provided with a cleaning brush 22, and the cleaning brush 22 is arranged on one side of the filter screen 13;
The installation pole 3, installation pole 3 fixed mounting in the medial surface of collection fan housing 12, the inside fixed mounting of installation pole 3 has speed reducer 31, square groove 32 has been seted up to the output of speed reducer 31, square groove 32 set up in the lateral surface of square pole 18.
The fixing ring 2 is disposed at one side of the nut 17.
The inner side surface of the fixed frame 1 is fixedly provided with a ventilation hood 4, both ends of the inner side surface of the ventilation hood 4 are fixedly provided with first support rods 41, and the inner parts of the two first support rods 41 are respectively and rotatably connected with fan blades 42.
One end of the fan blade 42 is fixedly mounted at the input end of the speed reducer 31, and the other end of the fan blade 42 is fixedly mounted with a driving motor 43.
The outer side surface of the driving motor 43 is fixedly provided with a second supporting rod 33.
Both ends of the second support bar 44 are fixedly mounted on both sides of the inner side surface of the fixed frame 1, respectively.
The fan blades 42 comprise circular discs and blade strips, the blade strips are inserted on the circular discs, the blade strips are arc-shaped and are 30-40 degrees in radial direction with the circular discs, the blade strips are uniformly distributed along the circumferential direction of the circular discs, the number of the blade strips inserted on each circular disc is 30-40, each impeller comprises a plurality of circular discs, the distance between the two circular discs is about 10cm, the number of the circular discs with different lengths is different, and therefore the rotating noise of the fan blades 42 is reduced;
the drive motor 43 is a low noise single phase motor;
One end of the square rod 18 is inserted into the inner side surface of the square groove 32, so that a user can conveniently detach the rotating shaft 15 from one end of the speed reducer 31.
The working principle of the low-noise amplitude flow cooling fan provided by the utility model is as follows:
When the dust collector is used, a user starts the driving motor 43, the driving motor 43 drives the fan blades 42 to rotate, at the moment, one end of the fan blades 42 is connected with the input end of the speed reducer 31 to drive the input end of the speed reducer 31 to rotate, so that the output end of the speed reducer 31 is driven to rotate through the speed reduction of the speed reducer 31, the output end of the speed reducer 31 drives the rotating shaft 15 to rotate, at the moment, the threaded rod 16 is driven to rotate through the rotating shaft 15, so that the fixing ring 2 and the rotating plate 21 are driven to rotate, the rotating plate 21 drives the cleaning brush 22 to rotate, and the cleaning brush 22 cleans dust on one side of the filter screen 13.
Compared with the related art, the low-noise amplitude flow cooling fan provided by the utility model has the following beneficial effects:
through structures such as filter screen 13, rotation cover 14, pivot 15, threaded rod 16, rolling plate 21, brush cleaner 22 and speed reducer 31 mutually support, when using, can block the dust through filter screen 13, avoid the dust to blow the above to the transformer through flabellum 42 to influence the normal use of transformer.
Second embodiment
Referring to fig. 5 in combination, a low noise amplitude flow cooling fan according to a first embodiment of the present application is provided. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a low noise amplitude flow cooling fan, which is different in that, an soundproof cotton 5 is fixedly installed in the fixing frame 1.
The working principle of the low-noise amplitude flow cooling fan provided by the utility model is as follows:
The soundproof cotton 5 is mounted in the fixing frame 1, and thus the soundproof effect on the fixing frame 1 can be enhanced when the fixing frame is used.
Compared with the related art, the low-noise amplitude flow cooling fan provided by the utility model has the following beneficial effects:
Through at fixed frame 1's internally mounted soundproof cotton 5, when using, can increase the effect of giving sound insulation to the noise has been reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A low noise amplitude flow cooling fan, comprising:
A fixed frame;
The installation plates are respectively and fixedly installed at two ends of the fixed frame, one side of one installation plate is fixedly provided with a wind collecting cover, one end of the inner side surface of the wind collecting cover is fixedly provided with a filter screen, the inside of the filter screen is fixedly provided with a rotating sleeve, the inner side surface of the rotating sleeve is rotationally connected with a rotating shaft, one end of the rotating shaft is fixedly provided with a threaded rod, the outer side surface of the threaded rod is in threaded connection with a nut, and the other end of the rotating shaft is fixedly provided with a square rod;
The fixing ring is sleeved on the outer side face of the threaded rod, rotating rods are fixedly arranged on two sides of the fixing ring, cleaning brushes are fixedly arranged on one side of the rotating rods, and the cleaning brushes are arranged on one side of the filter screen;
The installation pole, the installation pole fixed mounting in the medial surface of collection fan housing, the inside fixed mounting of installation pole has the speed reducer, square groove has been seted up to the output of speed reducer, square groove set up in the lateral surface of square pole.
2. The low noise amplitude flow cooling fan of claim 1, wherein the retainer ring is disposed on one side of the nut.
3. The low-noise amplitude flow cooling fan according to claim 2, wherein a ventilation hood is fixedly installed on the inner side surface of the fixing frame, first supporting rods are fixedly installed at two ends of the inner side surface of the ventilation hood, and fan blades are rotatably connected inside the two first supporting rods.
4. A low noise amplitude flow cooling fan according to claim 3, wherein one end of the fan blade is fixedly mounted at the input end of the speed reducer, and the other end of the fan blade is fixedly mounted with a driving motor.
5. The low noise amplitude flow cooling fan of claim 4, wherein the outer side of the driving motor is fixedly provided with a second supporting rod.
6. The low noise amplitude flow cooling fan according to claim 5, wherein two ends of the second support bar are fixedly installed on two sides of the inner side surface of the fixed frame, respectively.
7. The low noise amplitude flow cooling fan of claim 1, wherein the inside of the fixed frame is fixedly provided with soundproof cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049066.3U CN221401130U (en) | 2023-11-13 | 2023-11-13 | Low-noise amplitude flow type cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049066.3U CN221401130U (en) | 2023-11-13 | 2023-11-13 | Low-noise amplitude flow type cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221401130U true CN221401130U (en) | 2024-07-23 |
Family
ID=91941770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323049066.3U Active CN221401130U (en) | 2023-11-13 | 2023-11-13 | Low-noise amplitude flow type cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221401130U (en) |
-
2023
- 2023-11-13 CN CN202323049066.3U patent/CN221401130U/en active Active
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