CN220726687U - Noise reduction type magnetic force fan - Google Patents
Noise reduction type magnetic force fan Download PDFInfo
- Publication number
- CN220726687U CN220726687U CN202322485999.0U CN202322485999U CN220726687U CN 220726687 U CN220726687 U CN 220726687U CN 202322485999 U CN202322485999 U CN 202322485999U CN 220726687 U CN220726687 U CN 220726687U
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- CN
- China
- Prior art keywords
- sound insulation
- insulation pipe
- magnetic force
- force fan
- noise
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- 238000009413 insulation Methods 0.000 claims abstract description 64
- 239000006260 foam Substances 0.000 claims abstract description 14
- 229920000742 Cotton Polymers 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The application discloses noise reduction type magnetic force fan relates to the technical field of magnetic force fan, including outer sound insulation pipe and setting up the inside interior sound insulation pipe of outer sound insulation pipe, the magnetic force fan body is installed to the inside appearance chamber of interior sound insulation pipe, the inside wall bonding of interior sound insulation pipe has the foam layer, interior sound insulation pipe's surface with the air bed has been seted up between the inside wall of outer sound insulation pipe, the inside wall fixedly connected with honeycomb panel of outer sound insulation pipe, the honeycomb panel is kept away from a side bonding of outer sound insulation pipe has centrifugal glass cotton layer; the cooperation through above structure can improve the noise reduction effect to the magnetic force fan body.
Description
Technical Field
The utility model belongs to the technical field of magnetic fans, and particularly relates to a noise reduction type magnetic fan.
Background
A fan is a mechanical device that relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven three-dimensional machine. The existing fans are generally applied to ventilation in various factories, workshops and other building sites.
In the prior art, a fan generally comprises a mounting seat, a motor and an impeller, and particularly, the fan is used in some larger places, the motor is fixed on the mounting seat, the impeller is fixed on an output shaft of the motor, and the impeller is driven to rotate by the motor to drive air circulation. However, in the process of driving the impeller to rotate, the motor often generates stronger noise in the fan, and noise pollution is caused to the place where the fan is used.
Therefore, the noise reduction type magnetic fan is provided.
Disclosure of Invention
The utility model aims at: in order to improve the noise reduction effect to the magnetic force fan body, this application provides a noise reduction formula magnetic force fan.
The technical scheme adopted by the utility model is as follows:
the utility model provides a noise reduction formula magnetic force fan, includes outer sound insulation pipe and sets up the inside interior sound insulation pipe of outer sound insulation pipe, the magnetic force fan body is installed to the inside appearance chamber of interior sound insulation pipe, interior sound insulation pipe's inside wall bonds there is the foam layer, interior sound insulation pipe's surface with the air bed has been seted up between the inside wall of outer sound insulation pipe, the inside wall fixedly connected with honeycomb panel of outer sound insulation pipe, the honeycomb panel is kept away from a side bonding of outer sound insulation pipe has centrifugal glass cotton layer.
Further, a connecting plate is fixedly connected between the inner side wall of the outer sound insulation pipe and the outer surface of the inner sound insulation pipe.
Further, rubber connection pads are fixedly connected to openings at two ends of the inner sound insulation pipe, and an air guide pipe is fixedly connected to one end, away from the inner sound insulation pipe, of the rubber connection pads.
Further, the air guide pipe is fixedly connected with a filter screen at an opening at one end of the air guide pipe far away from the rubber connecting pad.
Further, the specification of the filter screen is 250 meshes.
Further, the input end of the magnetic fan body is electrically connected with an external power supply.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
in the utility model, when the magnetic force fan body releases noise in a working state, the foam cotton layer in the inner sound insulation pipe is provided with an independent bubble structure, so that the density is low, the noise is transmitted in the air in a vibration mode, when the vibration encounters the porous foam cotton layer, the vibration is transmitted to the inside of the foam cotton layer, and the foam cotton layer rubs with complex inner cells, so that the energy is blocked, and the noise is weakened; in another aspect, the cellular board and the centrifugal glass wool layer arranged outside the inner sound insulation pipe are also provided with porous structures, so that noise can be further weakened, and the air layer arranged between the outer sound insulation pipe and the inner sound insulation pipe can increase the sound insulation effect and improve the low-frequency sound absorption coefficient; the cooperation through above structure can improve the noise reduction effect to the magnetic force fan body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a part of the structure of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;
FIG. 5 is a schematic illustration of the connection of the inner sound insulating tube and the magnetic blower body of the present utility model.
The marks in the figure: 1-outer sound insulation pipe, 2-inner sound insulation pipe, 3-magnetic force fan body, 4-foaming cotton layer, 5-air layer, 6-connecting plate, 7-honeycomb panel, 8-centrifugal glass cotton layer, 9-rubber connecting pad, 10-air guide pipe, 11-filter screen.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are 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.
Examples
Referring to fig. 1 to 5, a noise reduction type magnetic fan comprises an outer sound insulation pipe 1 and an inner sound insulation pipe 2 arranged in the outer sound insulation pipe 1, wherein a magnetic fan body 3 is installed in an inner cavity of the inner sound insulation pipe 2, an input end of the magnetic fan body 3 is electrically connected with an external power supply, and particularly, the magnetic fan body 3 can release noise in a working state; the inside wall bonding of interior sound insulating tube 2 has foam layer 4, specifically, foam layer 4 is owing to having independent bubble structure, and the density is little, and noise is propagated in the air with the mode of vibration, when vibration runs into porous foam layer 4, vibration is to the inside transmission of foam layer 4, rubs with complicated inside cell, receives the hindrance, and the energy is attenuated, therefore the noise can weaken.
Referring to fig. 1-5, the inner side wall of the outer sound insulation pipe 1 is fixedly connected with a honeycomb plate 7, and a side surface of the honeycomb plate 7 far away from the outer sound insulation pipe 1 is adhered with a centrifugal glass wool layer 8, specifically, the honeycomb plate 7 and the centrifugal glass wool layer 8 also have porous structures, and the sound absorption characteristics are good, so that noise can be further weakened; an air layer 5 is arranged between the outer surface of the inner sound insulation pipe 2 and the inner side wall of the outer sound insulation pipe 1, specifically, the air layer 5 can increase the sound insulation effect and improve the low-frequency sound absorption coefficient; the noise reduction effect on the magnetic fan body 3 can be improved through the cooperation of the above structure.
Referring to fig. 1 to 5, a connection plate 6 is fixedly connected between the inner side wall of the outer sound insulation pipe 1 and the outer surface of the inner sound insulation pipe 2, and specifically, the connection between the outer sound insulation pipe 1 and the inner sound insulation pipe 2 can be reinforced by the connection plate 6; the rubber connecting pads 9 are fixedly connected to the openings at the two ends of the inner sound insulation pipe 2, specifically, the rubber connecting pads 9 are hollow annular and are used for connecting the inner sound insulation pipe 2 and the air guide pipe 10, and meanwhile, the rubber connecting pads 9 made of rubber can reduce the influence on the air guide pipe 10 when the inner sound insulation pipe 2 vibrates; the rubber connecting pad 9 is far away from the inner sound insulation pipe 2, and one end is fixedly connected with an air guide pipe 10, specifically, air flow generated under the working state of the magnetic fan body 3 can flow through the air guide pipe 10.
Referring to fig. 1-5, a filter screen 11 is fixedly connected to an opening at one end of the air guide pipe 10 far away from the rubber connection pad 9, and the filter screen 11 has a specification of 250 meshes, specifically, the filter screen 11 with 250 meshes can prevent dust in external air from entering the air guide pipe 10.
The implementation principle of the embodiment of the noise reduction type magnetic force fan is as follows:
when the device is used, an external power supply is firstly connected, when the magnetic fan body 3 releases noise under the working state, the foam cotton layer 4 inside the inner sound insulation pipe 2 is of an independent bubble structure, the density is small, the noise is transmitted in the air in a vibration mode, when the vibration encounters the porous foam cotton layer 4, the vibration is transmitted to the foam cotton layer 4, friction with complex internal bubbles is prevented, energy is attenuated, and therefore the noise can be weakened.
On the other hand, the cellular board 7 and the centrifugal glass wool layer 8 which are arranged outside the inner sound insulation pipe 2 also have porous structures, so that noise can be further weakened, and the air layer 5 which is arranged between the outer sound insulation pipe 1 and the inner sound insulation pipe 2 can increase the sound insulation effect and improve the low-frequency-band sound absorption coefficient; the noise reduction effect on the magnetic fan body 3 can be improved through the cooperation of the above structure.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides a noise reduction formula magnetic force fan, includes outer sound insulation pipe (1) and sets up interior sound insulation pipe (2) of outer sound insulation pipe (1) inside, its characterized in that: the magnetic force fan body (3) is installed to the inside appearance chamber of interior sound insulation pipe (2), the inside wall bonding of interior sound insulation pipe (2) has foam cotton layer (4), interior surface of sound insulation pipe (2) with air bed (5) have been seted up between the inside wall of outer sound insulation pipe (1), the inside wall fixedly connected with honeycomb panel (7) of outer sound insulation pipe (1), honeycomb panel (7) are kept away from a side bonding of outer sound insulation pipe (1) has centrifugal glass cotton layer (8).
2. The noise-reducing magnetic force fan as set forth in claim 1, wherein: a connecting plate (6) is fixedly connected between the inner side wall of the outer sound insulation pipe (1) and the outer surface of the inner sound insulation pipe (2).
3. The noise-reducing magnetic force fan as set forth in claim 1, wherein: the rubber connecting pads (9) are fixedly connected to openings at two ends of the inner sound insulation pipe (2), and one end, away from the inner sound insulation pipe (2), of each rubber connecting pad (9) is fixedly connected with the air guide pipe (10).
4. A noise-reducing magnetic force fan as set forth in claim 3, wherein: the opening of one end of the air guide pipe (10) far away from the rubber connecting pad (9) is fixedly connected with a filter screen (11).
5. The noise-reducing magnetic force fan as set forth in claim 4, wherein: the specification of the filter screen (11) is 250 meshes.
6. The noise-reducing magnetic force fan as set forth in claim 1, wherein: the input end of the magnetic force fan body (3) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485999.0U CN220726687U (en) | 2023-09-13 | 2023-09-13 | Noise reduction type magnetic force fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485999.0U CN220726687U (en) | 2023-09-13 | 2023-09-13 | Noise reduction type magnetic force fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726687U true CN220726687U (en) | 2024-04-05 |
Family
ID=90486477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322485999.0U Active CN220726687U (en) | 2023-09-13 | 2023-09-13 | Noise reduction type magnetic force fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726687U (en) |
-
2023
- 2023-09-13 CN CN202322485999.0U patent/CN220726687U/en active Active
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