CN114001420A - Low-noise total-heat net-effect fresh air fan - Google Patents
Low-noise total-heat net-effect fresh air fan Download PDFInfo
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- CN114001420A CN114001420A CN202111257534.9A CN202111257534A CN114001420A CN 114001420 A CN114001420 A CN 114001420A CN 202111257534 A CN202111257534 A CN 202111257534A CN 114001420 A CN114001420 A CN 114001420A
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- fresh air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of fresh air fans, in particular to a low-noise total-heat-efficiency fresh air fan, which aims at solving the problems that the existing total-heat-efficiency fresh air fan has larger noise during operation and affects the working and living states of indoor personnel for a long time. According to the novel air filter, the multi-surface foam ball is arranged at the air inlet end of the shell to absorb high-frequency noise generated when fresh air enters, the noise reduction cylinder and the elliptical block are arranged in the filtering conical cylinder to slow down mechanical vibration caused when the fresh air is filtered, the bent rod is arranged in the flaring to buffer wind impact and absorb medium-high frequency noise, the flow limiting ring is arranged at the outlet end of the shell, and the comb plate, the membrane screen plate and the conical ring are arranged in the air outlet to gradually absorb full-band noise of the discharged fresh air.
Description
Technical Field
The invention relates to the technical field of fresh air fans, in particular to a low-noise total-heat clean-efficiency fresh air fan.
Background
The fresh air machine applies fresh air convection patent technology, and indoor air is convected by independently supplying air and inducing air, so that indoor air replacement is performed to the maximum extent, and a multifunctional purification system arranged in the fresh air machine ensures that the air entering the room is clean and healthy; the new fan mainly comprises an exhaust type new fan and an air supply type new fan, can be installed in most indoor environments, is convenient to install and comfortable to use, and is a health partner for home life.
The total-heat purification fresh air machine is further provided with multiple composite functions of dust removal, sterilization, oxygenation, heating and the like, is deeply loved by vast citizens, various factories and office places, but the existing total-heat purification fresh air machine has larger noise during operation, influences the working and living states of indoor personnel for a long time, and therefore needs a low-noise total-heat purification fresh air machine to meet the actual requirements.
Disclosure of Invention
Based on the technical problems that the existing total-heat net effect fresh air fan has high noise during operation and affects the working and living states of indoor personnel for a long time, the invention provides a low-noise total-heat net effect fresh air fan.
The invention provides a low-noise total-heat fresh air fan with a net effect, which comprises a machine shell, wherein a metal interception net, a filtering conical cylinder, a clamping plate, a purifying and disinfecting mechanism, a fixed outer ring, a temperature regulating mechanism, a current-limiting ring and an air outlet are fixedly arranged in the machine shell from the inside to the outside in sequence, a plurality of equidistant foam balls are fixedly arranged on the inner walls of four sides of the machine shell, the lengths of the foam balls are up to one side of the clamping plate, the outer wall of the filtering conical cylinder is attached to the outer wall of the clamping plate, a fan is arranged in the fixed outer ring, an expanding opening is fixedly arranged at the inlet end of the fan, and the inner side of the current-limiting ring is an inclined plane.
Preferably, the filtering cone cylinder is formed by sequentially pressing an outer filtering cylinder, a noise reduction cylinder and an inner filtering cylinder, the diameter of a filtering hole of the outer filtering cylinder is larger than that of a filtering hole of the inner filtering cylinder, a plurality of rows of equiangular elliptical blocks are fixedly mounted on the outer wall of the noise reduction cylinder, and each elliptical block penetrates through the inner wall of the noise reduction cylinder and extends into the noise reduction cylinder.
Preferably, the outer wall of the noise reduction barrel is in a honeycomb mesh shape, and the noise reduction barrel is made of a high-resilience plastic material.
Preferably, the splint comprise two sheet frame joint, and one of them sheet frame outer wall sets up the straight cylinder hole of a plurality of equidistance, and another sheet frame outer wall sets up the round platform hole of the interior narrow outer width of a plurality of equidistance, two accompany the filter membrane between the sheet frame.
Preferably, an inner ring is arranged inside the fixed outer ring, a plurality of vibration reduction rods with equal angles are fixedly arranged between the circumferential inner wall of the fixed outer ring and the circumferential outer wall of the inner ring, each vibration reduction rod is Z-shaped, a plurality of rubber pads with equal angles are fixedly arranged on the circumferential inner wall of the inner ring, and each rubber pad is semi-elliptical.
Preferably, a plurality of rows of bending rods in a circumferential array are fixedly mounted on the inner wall of the flaring, the bending rods are S-shaped, and the bending rods incline downwards by 15 degrees.
Preferably, the air outlet inlet end is fixedly provided with a comb plate, the air outlet end is fixedly provided with a shutter, the inner wall of the circumference of the air outlet is fixedly provided with a conical ring, and a membrane screen plate is fixedly arranged between the inside of the air outlet and the conical ring.
Preferably, splint, current-limiting circle, knee, fishback and toper circle all adopt medium-high frequency sound absorbent to make, and diaphragm expanded metal, oval piece adopt low-medium frequency sound absorbent to make, and rubber pad and shock attenuation pole all adopt elastic support material to make, current-limiting circle and toper circle are expanded perlite material and make.
The beneficial effects of the invention are as follows:
1. the invention provides a low-noise total-heat clean-efficiency fresh air fan, which absorbs high-frequency noise generated when fresh air enters through a casing air inlet end provided with a multi-surface foam ball, a noise reduction cylinder with a honeycomb net-shaped outer wall and a plurality of rows of equiangular elliptical blocks are arranged in a filtering conical cylinder to slow down mechanical vibration caused when the fresh air is filtered, a plurality of rows of bent rods which are arranged in a circumferential array and incline downwards by 15 degrees are arranged in a flaring, the middle-high frequency noise is absorbed while wind impact is buffered, a flow limiting ring is arranged at the outlet end of the casing, a comb plate, a film mesh plate and a tapered ring are arranged in an air outlet to gradually absorb full-waveband noise of the discharged fresh air, the clamp plate, the flow limiting ring, the bent rods, the comb plate and the tapered ring are all made of middle-high frequency sound absorption materials, the film mesh plate and the elliptical blocks are made of low-middle-frequency sound absorption materials, and a rubber pad and the vibration damping rods are all made of elastic support materials, the flow-limiting ring and the conical ring are both made of expanded perlite materials, and the noise reduction cylinder is made of high-resilience plastic materials, so that fresh air exhausted by the total-heat net-effect fresh air fan is low in noise.
2. According to the low-noise total-heat clean-efficiency fresh air fan, the lengths of the foam balls are as long as one side of the clamping plate, and the outer wall of the filtering conical cylinder is attached to the outer wall of the clamping plate, so that the wind noise generated when fresh air enters and the noise generated by mechanical vibration of the shell are absorbed.
3. According to the low-noise total-heat-efficiency fresh air fan, the plurality of Z-shaped vibration reduction rods with equal angles, the inner ring, the semi-elliptical rubber pad and the fan are sequentially arranged in the fixed outer ring, so that vibration generated during the work of the fan and the circulation of fresh air is reduced, and the purposes of reducing noise and reducing noise are achieved.
Drawings
FIG. 1 is a schematic structural view of a low-noise total-heat-efficiency fresh air machine according to the present invention;
FIG. 2 is a schematic side view of the interior of a filtering cone of a low-noise total-heat fresh air fan according to the present invention;
FIG. 3 is a schematic side view of the interior of a low-noise total-heat fresh air machine clamping plate according to the present invention;
FIG. 4 is a schematic side view of a low-noise total-heat fresh air blower fixing outer ring according to the present invention;
fig. 5 is a schematic structural view of the interior of the air outlet of the low-noise total-heat fresh air fan according to the present invention.
In the figure: the device comprises a machine shell 1, a metal interception net 2, a filtering cone 3, a clamping plate 4, a purifying and disinfecting mechanism 5, a flaring 6, a fan 7, a temperature adjusting mechanism 8, a flow limiting ring 9, an air outlet 10, a fixed outer ring 11, a foam ball 12, an outer filter cylinder 13, an elliptical block 14, a noise reduction cylinder 15, an inner filter cylinder 16, a filter membrane 17, a rubber pad 18, an inner ring 19, a vibration damping rod 20, a bent rod 21, a comb plate 22, a film screen plate 23, a conical ring 24 and a louver 25.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, a new fan of low noise total heat net effect, including casing 1, casing 1 is inside from and then goes out fixed mounting in proper order has metal interception net 2, filter awl section of thick bamboo 3, splint 4, purification and disinfection mechanism 5, fixed outer lane 11, thermoregulation mechanism 8, current-limiting ring 9 and air outlet 10, the equal fixed mounting of four side inner walls of casing 1 has a plurality of equidistant foam balls 12, and the length of a plurality of foam balls 12 is up to splint 4 one side, filter awl section of thick bamboo 3 outer wall and splint 4 outer wall paste, fixed outer lane 11 is inside is provided with fan 7, and fan 7 entrance point fixed mounting has flaring 6, current-limiting ring 9 inboard is the inclined plane.
According to the invention, the filtering cone 3 is formed by sequentially pressing the inside of an outer filtering cylinder 13, a noise reduction cylinder 15 and an inner filtering cylinder 16, the diameter of a filtering hole of the outer filtering cylinder 13 is larger than that of a filtering hole of the inner filtering cylinder 16, so that the dedusting and filtering effect is ensured, a plurality of rows of equiangular elliptical blocks 14 are fixedly arranged on the outer wall of the noise reduction cylinder 15, each elliptical block 14 penetrates through the inner wall of the noise reduction cylinder 15 and extends to the inside of the noise reduction cylinder 15, so that the distance between the outside and the inside of the outer filtering cylinder 13, the inner filtering cylinder 16 and the noise reduction cylinder 15 is ensured;
the outer wall of the noise reduction cylinder 15 is in a honeycomb mesh shape, and the noise reduction cylinder 15 is made of a high-resilience plastic material;
the clamping plate 4 is formed by clamping two plate frames, a plurality of equidistant straight cylindrical holes are formed in the outer wall of one plate frame, a plurality of equidistant circular truncated cone holes which are narrow inside and wide outside are formed in the outer wall of the other plate frame, and a filter membrane 17 is clamped between the two plate frames;
an inner ring 19 is arranged in the fixed outer ring 11, a plurality of vibration reduction rods 20 with equal angles are fixedly arranged between the circumferential inner wall of the fixed outer ring 11 and the circumferential outer wall of the inner ring 19, the vibration reduction rods 20 are Z-shaped, a plurality of rubber pads 18 with equal angles are fixedly arranged on the circumferential inner wall of the inner ring 19, and the rubber pads 18 are semi-elliptical;
a plurality of rows of bending rods 21 in a circumferential array are fixedly arranged on the inner wall of the flaring 6, the bending rods 21 are S-shaped, and the bending rods 21 incline downwards by 15 degrees;
a comb plate 22 is fixedly installed at the inlet end of the air outlet 10, a shutter 25 is fixedly installed at the outlet end of the air outlet 10, a conical ring 24 is fixedly installed on the inner wall of the circumference of the air outlet 10, and a membrane screen plate 23 is fixedly installed between the inner part of the air outlet 10 and the conical ring 24;
the clamping plate 4, the current-limiting ring 9, the bent rod 21, the comb plate 22 and the conical ring 24 are all made of medium-high frequency sound-absorbing materials, the membrane mesh plate 23 and the oval block 14 are made of low-medium frequency sound-absorbing materials, the rubber pad 18 and the vibration-damping rod 20 are made of elastic supporting materials, and the current-limiting ring 9 and the conical ring 24 are made of expanded perlite materials.
The working principle is as follows: the multi-surface foam ball 12 is arranged at the air inlet end of the machine shell 1 to absorb high-frequency noise generated when fresh air enters, the noise reduction cylinder 15 with a honeycomb net-shaped outer wall and a plurality of rows of elliptical blocks 14 with equal angles are arranged in the filtering cone cylinder 3 to slow down mechanical vibration caused when the fresh air is filtered, a plurality of rows of bent rods 21 which are circumferentially arrayed and downwards incline 15 degrees are arranged in the flaring 6 of the clamping plate 4 to absorb middle-high frequency noise while buffering wind power impact, a flow limiting ring 9 is arranged at the outlet end of the machine shell 1, a comb plate 22, a film mesh plate 23 and a tapered ring 24 are arranged in the air outlet 10 to gradually absorb full-band noise of the discharged fresh air, the clamping plate 4, the flow limiting ring 9, the bent rods 21, the comb plate 22 and the tapered ring 24 are all made of middle-high frequency sound absorption materials, the film mesh plate 23 and the elliptical blocks 14 are made of low-middle-frequency sound absorption materials, the rubber pad 18 and the damping rods 20 are all made of elastic support materials, the flow limiting ring 9 and the conical ring 24 are both made of expanded perlite materials, and the noise reduction cylinder 15 is made of high-resilience plastic materials, so that the fresh air exhausted by the total-heat net-effect fresh air fan is low in noise;
the outer wall of the filtering conical cylinder 3 is attached to the outer wall of the clamping plate 4 through the length of the plurality of foam balls 12 to one side of the clamping plate 4, so that the wind noise generated when fresh air enters and the noise generated by mechanical vibration of the shell 1 are absorbed;
a plurality of Z-shaped vibration reduction rods 10 with the same angle, an inner ring 19, a semi-elliptical rubber pad 18 and the fan 7 are sequentially arranged in the fixed outer ring 11, so that vibration generated during work and fresh air circulation of the fan 7 is reduced, and the purposes of reducing noise and reducing noise are achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a new fan of low noise total heat net effect, includes casing (1), casing (1) is inside from and then go out fixed mounting in proper order has metal interception net (2), filters a awl section of thick bamboo (3), splint (4), purification and disinfection mechanism (5), fixed outer lane (11), thermoregulation mechanism (8), current-limiting circle (9) and air outlet (10), its characterized in that, the equal fixed mounting of four side inner walls of casing (1) has a plurality of equidistant foam balls (12), and the length of a plurality of foam balls (12) is up to splint (4) one side, filter awl section of thick bamboo (3) outer wall and splint (4) outer wall and paste, fixed outer lane (11) inside is provided with fan (7), and fan (7) inlet end fixed mounting has flaring (6), current-limiting circle (9) inboard is the inclined plane.
2. The low-noise total-heat net-effect fresh air fan according to claim 1 is characterized in that the filtering cone (3) is formed by sequentially pressing the insides of an outer filtering cylinder (13), a noise reduction cylinder (15) and an inner filtering cylinder (16), the diameter of a filtering hole of the outer filtering cylinder (13) is larger than that of a filtering hole of the inner filtering cylinder (16), a plurality of rows of equiangular elliptical blocks (14) are fixedly mounted on the outer wall of the noise reduction cylinder (15), and each elliptical block (14) penetrates through the inner wall of the noise reduction cylinder (15) and extends to the inside of the noise reduction cylinder (15).
3. The fresh air machine with low noise and total heat net effect of claim 2 is characterized in that the outer wall of the noise reduction cylinder (15) is in a honeycomb mesh shape, and the noise reduction cylinder (15) is made of high-resilience plastic materials.
4. The low-noise total-heat clean-efficient fresh air fan as claimed in claim 1, wherein the clamping plate (4) is formed by clamping two plate frames, one of the plate frames is provided with a plurality of equidistant straight cylindrical holes, the other plate frame is provided with a plurality of equidistant circular truncated cone holes with narrow inside and wide outside, and a filter membrane (17) is clamped between the two plate frames.
5. The fresh air machine with the low noise and the total heat net effect as claimed in claim 1, wherein an inner ring (19) is arranged inside the fixed outer ring (11), a plurality of shock absorption rods (20) with the same angle are fixedly arranged between the circumferential inner wall of the fixed outer ring (11) and the circumferential outer wall of the inner ring (19), the shock absorption rods (20) are Z-shaped, a plurality of rubber pads (18) with the same angle are fixedly arranged on the circumferential inner wall of the inner ring (19), and the rubber pads (18) are semi-elliptical.
6. The low-noise total-heat net-effect fresh air fan as claimed in claim 1, wherein a plurality of rows of bending rods (21) in a circumferential array are fixedly installed on the inner wall of the flared opening (6), the bending rods (21) are S-shaped, and the bending rods (21) are inclined downwards by 15 degrees.
7. The low-noise total-heat net-effect fresh air machine according to claim 1, characterized in that a comb plate (22) is fixedly installed at an inlet end of the air outlet (10), a shutter (25) is fixedly installed at an outlet end of the air outlet (10), a conical ring (24) is fixedly installed on the inner wall of the circumference of the air outlet (10), and a membrane screen plate (23) is fixedly installed between the inside of the air outlet (10) and the conical ring (24).
8. The fresh air machine with the low noise and the full heat net effect according to claim 7, characterized in that the clamping plate (4), the current limiting ring (9), the bent rod (21), the comb plate (22) and the conical ring (24) are all made of medium-high frequency sound absorption materials, the membrane mesh plate (23) and the oval block (14) are made of low-medium frequency sound absorption materials, the rubber pad (18) and the vibration damping rod (20) are made of elastic supporting materials, and the current limiting ring (9) and the conical ring (24) are both made of expanded perlite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111257534.9A CN114001420B (en) | 2021-10-27 | 2021-10-27 | New fan of low noise total heat net effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111257534.9A CN114001420B (en) | 2021-10-27 | 2021-10-27 | New fan of low noise total heat net effect |
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| Publication Number | Publication Date |
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| CN114001420A true CN114001420A (en) | 2022-02-01 |
| CN114001420B CN114001420B (en) | 2023-07-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234498A (en) * | 2022-09-21 | 2022-10-25 | 山东锐拓泵业有限公司 | Bispin formula air exhaust equipment of making an uproar that falls |
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