CN114001420B - New fan of low noise total heat net effect - Google Patents

New fan of low noise total heat net effect Download PDF

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Publication number
CN114001420B
CN114001420B CN202111257534.9A CN202111257534A CN114001420B CN 114001420 B CN114001420 B CN 114001420B CN 202111257534 A CN202111257534 A CN 202111257534A CN 114001420 B CN114001420 B CN 114001420B
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fresh air
wall
noise
plate
low
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CN202111257534.9A
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CN114001420A (en
Inventor
马祥程
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Shanghai New Era Civil Aviation Airport Design And Research Institute Co ltd
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Shanghai New Era Civil Aviation Airport Design And Research Institute Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/003Ventilation in combination with air cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/108Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/242Sound-absorbing material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air 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 machines, in particular to a low-noise total-heat clean-efficiency fresh air machine, which aims at the problems that the existing total-heat clean-efficiency fresh air machine has larger noise and affects the working and living states of indoor personnel for a long time when in operation. According to the invention, the air inlet end of the machine shell is provided with the multi-surface foam balls for absorbing high-frequency noise generated when fresh air enters, the noise reduction cylinder and the elliptical block are arranged in the filtering cone cylinder for relieving mechanical vibration caused by fresh air filtering, the bending rod is arranged in the flaring, the middle-high-frequency noise is absorbed while the wind impact is buffered, the air outlet end of the machine shell is provided with the current limiting ring, and the comb plate, the membrane net plate and the conical ring are arranged in the air outlet for gradually absorbing the full-wave noise of the discharged fresh air.

Description

New fan of low noise total heat net effect
Technical Field
The invention relates to the technical field of fresh air machines, in particular to a low-noise total-heat clean-efficiency fresh air machine.
Background
The fresh air fan utilizes a fresh air convection patent technology, and the indoor air is subjected to convection through independent air supply and induced air, so that the indoor air replacement is performed to the greatest extent, and the built-in multifunctional purification system of the fresh air fan ensures that the air entering the room is clean and healthy; the fresh air fan is mainly divided into an exhaust fresh air fan and an air supply fresh air fan, can be installed in most indoor environments, is convenient to install and comfortable to use, and is a healthy partner of home life.
The total heat purifying fresh air machine is also provided with multiple composite functions such as dust removal, sterilization, oxygenation, heating and the like, is deeply favored by vast citizens, various factories and office places, but the existing total heat purifying fresh air machine has larger noise when in operation, and influences the working and living states of indoor personnel for a long time, so that the low-noise total heat purifying fresh air machine is required to meet the actual demands.
Disclosure of Invention
Based on the technical problems that the existing total-heat clean-efficiency fresh air machine has larger noise and affects the working and living states of indoor personnel for a long time when in operation, the invention provides a low-noise total-heat clean-efficiency fresh air machine.
The invention provides a low-noise total-heat clean fresh air blower which comprises a machine shell, wherein a metal interception net, a filtering cone, a clamping plate, a purification and disinfection mechanism, a fixed outer ring, a temperature regulating mechanism, a current-limiting ring and an air outlet are sequentially and fixedly arranged in the machine shell from the inside, a plurality of equidistant foam balls are fixedly arranged on the inner wall of the 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 cone is attached to the outer wall of the clamping plate, a fan is arranged in the fixed outer ring, a flaring is fixedly arranged at the inlet end of the fan, the inner side of the current-limiting ring is an inclined surface, the filtering cone consists of an outer filtering cylinder, a noise-reducing cylinder and an inner filtering cylinder which are sequentially pressed together, the diameter of the filtering hole of the outer filtering cone is larger than the diameter of the filtering hole of the inner filtering cylinder, a plurality of rows of elliptic blocks with equal angles are fixedly arranged on the outer wall of the noise-reducing cylinder, each elliptic block penetrates through the inner wall of the noise-reducing cylinder and extends into the inside of the noise-reducing cylinder, an inner ring is provided with an inner ring, a plurality of equal-angle vibration-reducing rods are fixedly arranged between the inner ring and the inner ring circumference outer wall, the vibration-reducing rods are in a Z shape, the vibration-reducing rods are fixedly arranged between the inner ring is a plurality of equal-angle, the inner ring is a plurality of rubber pad is fixedly arranged in a bent rod, and is in a shape, and is arranged in a curve, and is an array 15 is arranged, and is in a curve, and is inclined.
Preferably, the outer wall of the noise reduction cylinder is honeycomb net-shaped, and the noise reduction cylinder is made of high-resilience plastic materials.
Preferably, the splint comprises two plate frame joints, and a plurality of equidistant straight barrel hole has been seted up to one of them plate frame outer wall, and another plate frame outer wall has seted up the interior narrow wide round platform hole of outside of a plurality of equidistance, two the filter membrane has been pressed from both sides between the plate frame.
Preferably, the comb plate is fixedly arranged at the inlet end of the air outlet, the shutter is fixedly arranged at the outlet end of the air outlet, the conical ring is fixedly arranged on the inner wall of the circumference of the air outlet, and the membrane screen plate is fixedly arranged between the inside of the air outlet and the conical ring.
Preferably, the clamping plate, the current limiting ring, the bent rod, the comb plate and the conical ring are all made of medium-high frequency sound absorption materials, the membrane net plate and the elliptic block are made of low-medium frequency sound absorption materials, the rubber pad and the vibration damping rod are all made of elastic supporting materials, and the current limiting ring and the conical ring are made of expanded perlite materials.
The beneficial effects of the invention are as follows:
1. the invention provides a low-noise total heat clean effect fresh air machine, which is characterized in that a multi-surface foam ball is arranged at an air inlet end of a machine shell to absorb high-frequency noise generated when fresh air enters, a noise reduction cylinder with a honeycomb net-shaped outer wall and a plurality of rows of elliptical blocks with equal angles are arranged in a filtering cone cylinder to reduce mechanical vibration caused by fresh air filtering, a plurality of rows of bending rods which are arranged in a circumferential array and incline downwards by 15 degrees are arranged in a clamping plate, a filter membrane and a flaring are arranged in the clamping plate, the middle-high-frequency noise is absorbed while wind impact is buffered, a current limiting ring, a membrane net plate and a conical ring are arranged at an air outlet end of the machine shell to gradually absorb the full-band noise of the discharged fresh air, the clamping plate, the current limiting ring, the bending rods, the comb plate and the conical ring are all made of middle-high frequency sound absorption materials, the membrane net plate and the elliptical blocks are made of low-medium frequency sound absorption materials, the rubber pad and the vibration reduction rod are made of elastic supporting materials, the current limiting ring and the conical ring are made of expanded perlite materials, the noise reduction cylinder is made of high-rebound plastic materials, and the fresh air machine is enabled to discharge of low noise.
2. According to the low-noise total-heat clean-effect fresh air machine provided by the invention, through the lengths of the foam balls to one side of the clamping plate, the outer wall of the filtering cone is attached to the outer wall of the clamping plate, so that the wind sound and the noise of mechanical vibration of the machine shell during fresh air intake are absorbed.
3. According to the low-noise total-heat clean-efficiency fresh air machine provided by the invention, the plurality of zigzag vibration reduction rods, the inner rings, the semi-elliptic rubber pads and the fan with equal angles are sequentially arranged in the fixed outer rings, so that vibration generated during the working and fresh air circulation of the fan is relieved, and the purposes of noise reduction and noise reduction are achieved.
Drawings
FIG. 1 is a schematic diagram of a low noise total heat net effect fresh air machine according to the present invention;
FIG. 2 is a schematic diagram of a side view of the inside of a filter cone of a low-noise total heat efficiency fresh air fan;
FIG. 3 is a schematic diagram of a side view of the interior of a low-noise total heat efficiency fresh air fan splint according to the present invention;
FIG. 4 is a schematic side view of a low-noise total heat efficiency fresh air fan fixing outer ring;
fig. 5 is a schematic diagram of the structure of the inside of the air outlet of the low-noise total heat purifying fresh air fan.
In the figure: the device comprises a shell 1, a metal interception net 2, a filtering cone cylinder 3, a clamping plate 4, a purifying and sterilizing mechanism 5, a flaring 6, a fan 7, a temperature regulating 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 elliptic 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 reduction rod 20, a bending rod 21, a comb plate 22, a membrane screen plate 23, a conical ring 24 and a shutter 25.
Detailed Description
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to figures 1-5, a low-noise total heat purifying fresh air fan comprises a machine shell 1, wherein a metal interception net 2, a filtering cone 3, a clamping plate 4, a purifying and sterilizing mechanism 5, a fixed outer ring 11, a temperature adjusting mechanism 8, a current limiting ring 9 and an air outlet 10 are fixedly arranged in the machine shell 1 in sequence, a plurality of equidistant foam balls 12 are fixedly arranged on the inner walls of the four sides of the machine shell 1, the lengths of the foam balls 12 are up to one side of the clamping plate 4, the outer wall of the filtering cone 3 is attached to the outer wall of the clamping plate 4, a fan 7 is arranged in the fixed outer ring 11, a flaring 6 is fixedly arranged at the inlet end of the fan 7, the inner side of the current limiting ring 9 is an inclined plane, the filtering cone 3 is formed by sequentially pressing an outer filtering cylinder 13, a noise reducing cylinder 15 and the inner filtering cylinder 16, the diameter of the filtering hole of the outer filtering cone 13 is larger than that of the inner filtering hole of the inner filtering cylinder 16, ensuring the dust removal filtering effect, fixedly mounting a plurality of rows of elliptical blocks 14 with equal angles on the outer wall of the noise reduction cylinder 15, penetrating the inner wall of the noise reduction cylinder 15 and extending to the inside of the noise reduction cylinder 15 by each elliptical block 14, ensuring the distances among the outer filter cylinder 13, the inner filter cylinder 16 and the outside of the noise reduction cylinder 15, fixing the inner ring 19 inside the outer ring 11, fixedly mounting a plurality of vibration reduction rods 20 with equal angles between the circumferential inner wall of the outer ring 11 and the circumferential outer wall of the inner ring 19, wherein the vibration reduction rods 20 are Z-shaped, fixedly mounting a plurality of rubber pads 18 with equal angles on the circumferential inner wall of the inner ring 19, wherein the rubber pads 18 are semi-elliptical, fixedly mounting a plurality of rows of bending rods 21 with circumferential arrays on the inner wall of the flaring 6, wherein the bending rods 21 are S-shaped, and the bending rods 21 incline downwards by 15 degrees.
In the invention, the outer wall of the noise reduction cylinder 15 is honeycomb net-shaped, and the noise reduction cylinder 15 is made of high-resilience plastic material;
the clamping plate 4 is formed by clamping two plate frames, wherein a plurality of equidistant straight cylinder holes are formed in the outer wall of one plate frame, a plurality of equidistant round table holes with the inner narrow and the outer wide are formed in the outer wall of the other plate frame, and a filter membrane 17 is clamped between the two plate frames;
the inlet end of the air outlet 10 is fixedly provided with a comb plate 22, the outlet end of the air outlet 10 is fixedly provided with a shutter 25, the circumferential inner wall of the air outlet 10 is fixedly provided with a conical ring 24, and a membrane screen plate 23 is fixedly arranged between the interior 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 absorption materials, the membrane net plate 23 and the elliptic block 14 are made of low-medium frequency sound absorption materials, the rubber pad 18 and the vibration-damping rod 20 are all made of elastic supporting materials, and the current-limiting ring 9 and the conical ring 24 are both made of expanded perlite materials.
Working principle: the air inlet end of the machine shell 1 is provided with a multi-surface foam ball 12 for absorbing high-frequency noise generated when fresh air enters, the inside of the filtering cone 3 is provided with a noise reduction cylinder 15 with a honeycomb net-shaped outer wall and a plurality of rows of elliptical blocks 14 with equal angles, mechanical vibration caused when fresh air is filtered is relieved, the inside of the clamping plate 4 is provided with a filter membrane 17 and a plurality of rows of bending rods 21 which are arranged in a circumferential array and incline downwards by 15 degrees, the air impact is buffered, the inside of the air outlet end of the machine shell 1 is provided with a comb plate 22, a membrane net plate 23 and a conical ring 24, the whole-band noise of the discharged fresh air is gradually absorbed, the clamping plate 4, the membrane net plate 9, the bending rods 21, the comb plate 22 and the conical ring 24 are all made of medium-high frequency sound absorbing materials, the membrane net plate 23 and the elliptical blocks 14 are made of low-medium-frequency sound absorbing materials, the rubber pad 18 and the vibration reduction rod 20 are made of elastic supporting materials, the current limiting ring 9 and the conical ring 24 are made of expanded perlite materials, and the noise reduction cylinder 15 is made of high-resilience plastic materials, so that the fresh air discharged by the total heat effect machine is low fresh air noise;
through the lengths of the foam balls 12 to one side of the clamping plate 4, the outer wall of the filtering cone cylinder 3 is attached to the outer wall of the clamping plate 4, so that wind sound and noise of mechanical vibration of the machine shell 1 during fresh air intake are absorbed;
the inside of the fixed outer ring 11 is sequentially provided with a plurality of zigzag vibration reduction rods 10 with equal angles, an inner ring 19, a semi-elliptic rubber pad 18 and a fan 7, so that vibration generated during the working and fresh air circulation of the fan 7 is relieved, and the purposes of noise reduction and noise reduction are achieved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (5)

1. The utility model provides a novel fan of total heat of low noise purifying effect, includes casing (1), casing (1) inside is followed and is followed in proper order fixed mounting and is had metal interception net (2), filtration awl section of thick bamboo (3), splint (4), purification disinfection mechanism (5), fixed outer lane (11), temperature regulating mechanism (8), restriction circle (9) and air outlet (10), its characterized in that, four side inner walls of casing (1) all fixed mounting have foam ball (12) of a plurality of equidistance, and the length of a plurality of foam ball (12) until splint (4) one side, filtration awl section of thick bamboo (3) outer wall and splint (4) outer wall subsides, fixed outer lane (11) inside is provided with fan (7), and fan (7) entrance point fixed have flaring (6), restriction circle (9) inboard is the inclined plane, filtration awl section of thick bamboo (3) are by outer (13), section of thick bamboo (15) and interior pressfitting in proper order of thick bamboo (16) of making an uproar in and outer filter drum (13) filtration pore diameter is greater than interior section of thick bamboo (16) filtration pore diameter, the section of thick bamboo (15) outer wall is equipped with a plurality of ellipse blocks (14) and the inside ellipse (15) that extend to interior (15) of interior ellipse (15) of fixed column (14) of interior (15) of ellipse, etc., and fixed outer lane (11) circumference inner wall and inner circle (19) circumference outer wall between fixed mounting have a plurality of equiangular damping pole (20), damping pole (20) are the zigzag, inner circle (19) circumference inner wall fixed mounting has a plurality of equiangular rubber pads (18), and rubber pad (18) are half ellipse form, flaring (6) inner wall fixed mounting has a plurality of curved bars (21) that are the circumference array, and curved bars (21) are the S-shaped, curved bars (21) downward sloping 15.
2. The low-noise total heat-efficiency fresh air machine according to claim 1, wherein the outer wall of the noise reduction cylinder (15) is honeycomb net-shaped, and the noise reduction cylinder (15) is made of high-resilience plastic materials.
3. The low-noise total-heat-efficiency fresh air machine according to claim 1, wherein the clamping plate (4) is formed by clamping two plate frames, wherein a plurality of equidistant straight cylinder holes are formed in the outer wall of one plate frame, a plurality of equidistant round table holes with the inner narrow and the outer wide are formed in the outer wall of the other plate frame, and a filter membrane (17) is clamped between the two plate frames.
4. The low-noise total-heat-efficiency fresh air machine according to claim 1, wherein the inlet end of the air outlet (10) is fixedly provided with a comb plate (22), the outlet end of the air outlet (10) is fixedly provided with a shutter (25), the circumferential inner wall of the air outlet (10) is fixedly provided with a conical ring (24), and a membrane screen plate (23) is fixedly arranged between the interior of the air outlet (10) and the conical ring (24).
5. The low-noise total heat-efficiency fresh air machine according to claim 4, wherein 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 net plate (23), the elliptic block (14) are made of low-medium frequency sound absorption materials, the rubber pad (18) and the vibration-damping rod (20) are all made of elastic supporting materials, and the current-limiting ring (9) and the conical ring (24) are made of expanded perlite materials.
CN202111257534.9A 2021-10-27 2021-10-27 New fan of low noise total heat net effect Active CN114001420B (en)

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CN213811117U (en) * 2020-11-09 2021-07-27 昆山捷佳净化机电有限公司 New trend system filter screen with function of making an uproar is fallen

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