CN115183456A - Silencing structure of fan pipe disc - Google Patents
Silencing structure of fan pipe disc Download PDFInfo
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- CN115183456A CN115183456A CN202210914590.3A CN202210914590A CN115183456A CN 115183456 A CN115183456 A CN 115183456A CN 202210914590 A CN202210914590 A CN 202210914590A CN 115183456 A CN115183456 A CN 115183456A
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- motor
- close
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 25
- 238000010521 absorption reaction Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 5
- 241000886569 Cyprogenia stegaria Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
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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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the field of electrical equipment, and particularly relates to a silencing structure of a fan coil, which comprises a box body, wherein a condensing box is fixedly arranged on one side of the box body close to the bottom surface, a drain pipe is fixedly arranged on one side of the condensing box, a fan box is fixedly arranged on one side of the box body, a turbine blade is arranged in the fan box, a motor is arranged on one side of the fan box, a motor fixing plate is fixedly connected to one side of the motor close to the fan box, a plurality of spring columns are fixedly arranged on one side of the fan box close to the motor, one end of each spring column close to the motor is fixedly connected to the fixing plate, a rubber pad is arranged between the fixing plate and the motor fixing plate, a rotating shaft penetrating through the fan box is arranged on one side of the turbine blade close to the motor, an output shaft of the motor is connected with the rotating shaft through a coupling, an air delivery pipe communicated between the fan box and the box is fixedly arranged on the top end wall of the fan box, a supporting plate fixed on one side of the box body, and an electric control box for controlling the fan coil to be matched and linked with each other is fixedly arranged on the supporting plate. The noise in the running process of the fan pipe disc can be removed.
Description
Technical Field
The invention belongs to the field of electrical equipment, and particularly relates to a silencing structure of a fan pipe disc.
Background
The fan coil is one of the end devices of the air conditioning system composed of a small fan, a motor, a heat exchanger and the like, and is a common cold supply end device and a common heat supply end device, the fan coil is mainly installed in office living places such as indoor places, and the like, and because the requirements on noise and the like of the places are higher, the existing fan coil does not have a special fan coil silencing structure. Therefore, it is extremely important to design a silencing structure of the fan pipe disc.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a silencing structure of a fan tube disc, which can eliminate noise in the operation process of the fan tube disc.
In order to achieve the purpose, the invention adopts the following technical scheme: a noise reduction structure of a fan coil comprises a box body, wherein a condensing box for absorbing condensed water is fixedly arranged on one side, close to the bottom, of the box body, a drain pipe for draining the condensed water is fixedly arranged on one side of the condensing box, a fan box is fixedly arranged on one side of the box body, an air suction turbine blade is arranged in the fan box, a motor for driving the turbine blade to rotate is arranged on one side of the fan box, a motor fixing plate is fixedly connected to one side, close to the motor, of the motor, a plurality of elastic spring columns are fixedly arranged on one side, close to one end of the motor, of the fan box, a rubber pad is arranged between the fixing plate and the motor fixing plate, a rotating shaft penetrating through the fan box is arranged on one side, close to the motor, of the turbine blade, a coupling is arranged between an output shaft of the motor and the rotating shaft, an air conveying pipe communicated between the fan box and the box body is fixedly arranged on the top end wall of the fan box body, a supporting plate fixed on one side of the box body is provided with the supporting plate, and an electric control box for controlling the mutual matching and linkage of the fan coil is fixedly arranged on the supporting plate.
Preferably, the fan box is internally provided with double-layer turbine blades which deviate from the axis of the fan box, end plates are fixedly arranged at the positions, close to the side wall of the fan box, of the turbine blades, elastic plates which can extrude the turbine blades all the time to enable the end plates to be attached to the side wall of the fan box are arranged between the turbine blades, the end plates are close to one side of a motor and fixedly connected with a rotating shaft, and a wind exhaust cavity with a gradually enlarged gap is formed between the turbine blades and the fan box.
Preferably, an air inlet box for silencing when air suction is performed is arranged on one side of the fan box, a dust screen for preventing dust sundries from being rolled into is arranged on one side, away from the fan box, of the air inlet box, a sound insulation board is arranged on the side wall in the air inlet box, a first sound absorption board made of sound absorption materials is arranged at a position, close to the dust screen, in the air inlet box, a plurality of first air permeable holes for absorbing sound energy are formed in a position, close to the sound insulation board, of the first sound absorption board, a first sound absorption barrel made of sound absorption materials is fixedly arranged between the first sound absorption board and the end wall of the air inlet box, a plurality of second air permeable holes for absorbing sound energy are formed in a position, close to the first sound absorption board, of the first sound absorption barrel, a second sound absorption barrel made of sound absorption materials with the same axis is arranged in the first sound absorption barrel, and a plurality of third air permeable holes for absorbing sound energy are formed in a position, close to the first sound absorption plate, of the second sound absorption barrel.
Preferably, the two side walls of the box body are respectively provided with slide rails close to the air delivery pipe, two air stabilizing boxes are arranged between the slide rails in a sliding manner, a sealed air cavity used for storing air is arranged between the air stabilizing boxes and the sealed air cavity, a wind shield is fixedly connected to the top end wall of the box body in the sealed air cavity, the air stabilizing boxes are connected with the rear side wall of the box body through first springs, a plurality of partition plates for partitioning the inner cavity of the air stabilizing boxes are fixedly arranged in the air stabilizing boxes, first sliding blocks and second sliding blocks are arranged in the inner cavities of the air stabilizing boxes partitioned by the partition plates in a sliding manner, oblique gaps are formed between the first sliding blocks and the second sliding blocks, the front side wall and the rear side wall of each air stabilizing box are respectively provided with ventilation channels communicated with the gaps between the first sliding blocks and the second sliding blocks, and the first sliding blocks or the second sliding blocks are respectively connected with the partition plates or the side wall of each air stabilizing box through second springs.
Preferably, the heat exchange tubes which are connected in series are arranged in the box body, one end of each heat exchange tube is provided with a water inlet tube penetrating through the side wall of the box body, the other end of each heat exchange tube is provided with a water outlet tube penetrating through the side wall of the box body, and a groove for absorbing condensed water on the outer wall of each heat exchange tube is formed in a bottom plate, close to the condensing box, of the box body.
Preferably, an air outlet for outputting air subjected to heat exchange through the heat exchange tube is arranged on one side, far away from the fan box, of the box body, a plurality of wind direction changing swinging fan blades are rotatably arranged on the side wall of the air outlet, each swinging fan blade is connected in parallel with each other through four parallel mechanisms, a swinging motor is arranged on the side wall of the box body, close to the swinging fan blades, and a driving shaft of the swinging motor is fixedly connected with a rotating shaft of the swinging fan blades.
Preferably, be equipped with a plurality of reciprocal anchorings's play bellows near air outlet department in the box, sealing connection between the lateral wall of play bellows and box, it is equipped with the second acoustic celotex board that sound absorbing material made to go out the bellows internal fixation, the second acoustic celotex board is close to pendulum fan blade department and is equipped with the fourth bleeder vent of a plurality of absorption sound energies, be equipped with first air-out passageway between second acoustic celotex board and the air-out box lateral wall, it is equipped with the third acoustic celotex board that sound absorbing material made to go out the bellows internal fixation, the third acoustic celotex board is close to heat exchange tube department and is equipped with the fifth bleeder vent of a plurality of absorption sound energies, be equipped with second air-out passageway between third acoustic celotex board and the air-out box lateral wall.
Has the beneficial effects that:
1. the driving motor of the fan adopts an elastic supporting structure, so that the vibration in the running process of the motor is eliminated, and the generation of vibration noise of the motor is prevented;
2. the turbine blade in the fan is in elastic contact with the fan shell, so that the noise caused by the resonance of the fan shell is eliminated while the turbine blade is ensured to rotate stably;
3. all be equipped with corresponding amortization structure in inlet scoop, air outlet and the defeated wind route of equipment, utilize resistive nature amortization to keep away from or the inflation amortization is kept away from and is kept away from the velocity of flow that makes the defeated wind even steady, reduces the wind noise of carrying wind in the flow in-process.
Drawings
FIG. 1 is an isometric view of the appearance of the present invention;
FIG. 2 is a top cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged view of a portion at B in FIG. 2;
fig. 5 is a partial enlarged view at C in fig. 2.
In the figure: the air conditioner comprises a box body 10, a condensation box 11, a fan box 12, a motor 13, an air inlet box 14, an electric control box 15, a supporting plate 16, an inlet pipe 17, an outlet pipe 18, a drain pipe 19, an air outlet 20, a fan swinging blade 21, a spring column 22, a fixing plate 23, a rubber pad 24, a motor fixing plate 25, a coupler 26, a rotating shaft 27, a turbine blade 28, an air delivery pipe 29, an air stabilizing box 30, a sealed air cavity 31, a wind shield 32, a dust screen 33, a sound insulation plate 34, a first sound insulation plate 35, a first sound insulation barrel 36, a second sound insulation barrel 37, a partition plate 38, a sliding rail 39, a first spring 40, a ventilation channel 41, a first sliding block 42, a second sliding block 43, a second spring 44, a heat exchange pipe 45, a fan swinging motor 46, an air outlet box 47, a first air outlet channel 48, a second air outlet channel 49, a second sound insulation plate 50, a third sound insulation plate 51, an elastic plate 52, an end plate 53 and an air outlet cavity 54.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-5, a silencing structure for a fan coil comprises a box body 10, a condensation box 11 for absorbing condensed water is fixedly arranged on one side of the box body 10 close to the bottom surface, a drain pipe 19 for discharging the condensed water is fixedly arranged on one side of the condensation box 11, a fan box 12 is fixedly arranged on one side of the box body 10, an air suction turbine blade 28 is arranged in the fan box 12, a motor 13 for driving the turbine blade 28 to rotate is arranged on one side of the fan box 12, a motor fixing plate 25 is fixedly connected to one side of the motor 13 close to the fan box 12, a plurality of elastic spring columns 22 are fixedly arranged on one side of the fan box 12 close to the motor 13, one ends of the spring columns 22 close to the motor 13 are fixedly connected to a fixing plate 23, a rubber pad 24 is arranged between the fixing plate 23 and the motor fixing plate 25, a rotating shaft 27 penetrating through the fan box 12 is arranged on one side of the turbine blade 28 close to the motor 13, an output shaft of the motor 13 is connected with the rotating shaft 27 through a coupler 26, an air delivery pipe 29 communicating the fan box 12 with the box 10 is fixedly arranged on the top end wall, a supporting plate 16 fixed on one side of the box 10, and an electric control box 15 for controlling the fan coil to be matched and linked with each other is fixedly arranged on the supporting plate.
Furthermore, double-layer turbine blades 28 which are deviated from the axis of the fan box 12 are arranged in the fan box 12, end plates 53 are fixedly arranged at the positions, close to the side wall of the fan box 12, of the turbine blades 28, elastic plates 52 which can always press the turbine blades 28 to enable the end plates 53 to be attached to the side wall of the fan box 12 are arranged between the turbine blades 28, the side, close to the motor 13, of the end plate 53 is fixedly connected with the rotating shaft 27, and a wind exhaust cavity 54 with gradually enlarged gaps is arranged between the turbine blades 28 and the fan box 12.
Further, an air inlet box 14 for silencing when air is sucked is arranged on one side of the fan box 12, a dust screen 33 for preventing dust and sundries from being enwrapped is arranged on one side, away from the fan box 12, of the air inlet box 14, a sound insulation baffle plate 34 is arranged on the side wall in the air inlet box 14, a first silencing plate 35 made of sound absorption materials is arranged in the air inlet box 14 and close to the dust screen 33, a plurality of first air permeable holes for absorbing sound energy are formed in the position, close to the sound insulation plate 34, of the first silencing plate 35, a first silencing barrel 36 made of sound absorption materials is fixedly arranged between the first silencing plate 35 and the end wall of the air inlet box 14, a plurality of second air permeable holes for absorbing sound energy are formed in the position, close to the end wall of the air inlet box 14, of the first silencing barrel 36, a second silencing barrel 37 made of sound absorption materials with the same axis is arranged in the first silencing barrel 36, and a plurality of third air permeable holes for absorbing sound energy are formed in the position, close to the first silencing barrel 37.
Further, slide rails 39 are respectively arranged on two side walls of the box body 10 close to the air delivery pipe 29, an air stabilizing box 30 is arranged between the two slide rails 39 in a sliding manner, a sealed air cavity 31 for storing air is arranged between the air stabilizing box 30 and the sealed air cavity 31, a wind shield 32 is fixedly connected on the top end wall of the box body 10 in the sealed air cavity 31, the air stabilizing box 30 is connected with the rear side wall of the box body 10 through a first spring 40, a plurality of partition plates 38 for partitioning the inner cavity of the air stabilizing box 30 are fixedly arranged in the air stabilizing box 30, a first slide block 42 and a second slide block 43 are arranged in the inner cavity of the air stabilizing box 30 partitioned by the partition plates 38 in a sliding manner, an oblique gap is formed between the first slide block 42 and the second slide block 43, ventilation channels 41 communicated with the gap between the first slide block 42 and the second slide block 43 are respectively arranged on the front side wall and the rear side wall of the air stabilizing box 30, and the first slide block 42 or the second slide block 43 are respectively connected with the partition plates 38 or the side walls of the air stabilizing box 30 through a second spring 44
Furthermore, heat exchange tubes 45 which are connected in series are arranged in the box body 10, one end of each heat exchange tube 45 is provided with a water inlet tube 17 penetrating through the side wall of the box body 10, the other end of each heat exchange tube 45 is provided with a water outlet tube 18 penetrating through the side wall of the box body 10, and a bottom plate of the box body 10, which is close to the condensing box 11, is provided with a groove for absorbing condensed water on the outer wall of each heat exchange tube 45.
Further, an air outlet 20 for outputting the air subjected to heat exchange through the heat exchange tube 45 is arranged on one side of the box body 10 far away from the fan box 12, a plurality of wind direction changing swinging fan blades 21 are rotatably arranged on the side wall of the air outlet 20, each swinging fan blade 21 is connected in parallel through four parallel mechanisms, a swinging fan motor 46 is arranged on the side wall of the box body 10 near the swinging fan blades 21, and a driving shaft of the swinging fan motor 46 is fixedly connected with a rotating shaft of the swinging fan blades 21.
Further, a plurality of air outlet boxes 47 fixed to each other are arranged in the box body 10 near the air outlet 20, the air outlet boxes 47 are connected with the side wall of the box body 10 in a sealing manner, a second sound insulating plate 50 made of sound-absorbing material is fixedly arranged in the air outlet boxes 47, a plurality of fourth air holes for absorbing sound energy are arranged in the second sound insulating plate 50 near the air swinging blades 21, a first air outlet channel 48 is arranged between the second sound insulating plate 50 and the side wall of the air outlet boxes 47, a third sound insulating plate 51 made of sound-absorbing material is fixedly arranged in the air outlet boxes 47, a plurality of fifth air holes for absorbing sound energy are arranged in the third sound insulating plate 51 near the heat exchange tubes 45, and a second air outlet channel 49 is arranged between the third sound insulating plate 51 and the side wall of the air outlet boxes 47.
The working principle is as follows:
initial state: the electric machine 13 and the swing motor 46 are powered off.
The motor 13 is started, the output shaft of the motor 13 drives the rotating shaft 27 to rotate through the coupling 26, thereby leading the turbine blades 28 in the fan box 12 to rotate around the eccentric center of the fan box 12 rapidly, generating negative pressure at the center of the rotating turbine blades 28 due to the centrifugal force, so that the side of the air inlet box 14 away from the fan box 12 is sucked, after the air passes through the dust screen 33 and is screened to remove dust and impurities, the air flows through the first air hole of the first silencing plate 35, the second air hole of the first silencing barrel 36 and the third air hole of the second silencing barrel 37 to absorb sound energy generated when the air flows, the air flows to the turbine blades 28 and then is conveyed to the sealed air cavity 31 through the air exhaust cavity 54 and the air conveying pipe 29 due to the centrifugal force, the air in the sealed air cavity 31 is blocked by the wind shield plate 32, so that the flow rate of the gas in the sealed gas chamber 31 is relieved, when the gas in the sealed gas chamber 31 is accumulated at a certain position, the gas presses the first slide block 42 and the second slide block 43 through the ventilation channel 41, so that the gap between the first sliding block 42 and the second sliding block 43 is gradually enlarged, the gas passing through the air stabilization box 30 is further uniformly distributed and flows to the gap of the heat exchange tube 45, meanwhile, the externally injected water enters the heat exchange tube 45 through the water inlet tube 17, the water is discharged through the water outlet tube 18 after heat exchange by the gas in the gap between the heat exchange tube 45 and the heat exchange tube 45, the gas after heat exchange continuously passes through the third air vent of the second sound insulating plate 50 and the fifth air vent of the third sound insulating plate 51 through the first air outlet channel 48 to absorb sound energy generated when the gas is blown out, thereby soft air is output through the second air outlet channel 49, if the air needs to swing, the swing motor 46 is started, therefore, the swinging blades 21 are driven by the driving shaft of the swinging motor 46 to rotate, and the air changes the wind direction and is output after passing through the gaps of the swinging blades 21.
The above steps can be repeated to continuously deliver soft, muffled gas.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (7)
1. A silencing structure of a fan coil comprises a box body (10) and is characterized in that a condensing box (11) for absorbing condensed water is fixedly arranged on one side, close to the bottom, of the box body (10), a drain pipe (19) for discharging the condensed water is fixedly arranged on one side of the condensing box (11), a fan box (12) is fixedly arranged on one side of the box body (10), turbine blades (28) for air suction are arranged in the fan box (12), a motor (13) for driving the turbine blades (28) to rotate is arranged on one side of the fan box (12), a motor fixing plate (25) is fixedly connected to one side, close to the fan box (12), of the motor (12), a plurality of elastic spring columns (22) are fixedly arranged on one side, close to the motor (13), of the spring columns (22), one end, close to the motor (13), is fixedly connected with the fixing plate (23), a rubber pad (24) is arranged between the fixing plate (23) and the motor fixing plate (25), a rotating shaft (27) penetrating through the fan box (12) is arranged on one side, of the turbine blades (28), one side, close to the motor (13), a rotating shaft coupling (26) is connected with the rotating shaft (27), and a top end of the fan box (12) is communicated with the top end of the fan box (29), one side of the box body (10) is provided with a supporting plate (16) fixed on the end face of the box body (10), and the supporting plate (16) is fixedly provided with an electric cabinet (15) for controlling the mutual matching and linkage of the fan pipe discs.
2. The silencing structure of the fan coil according to claim 1, wherein a double-layer turbine blade (28) is arranged in the fan box (12) and is deviated from the axis of the fan box (12), an end plate (53) is fixedly arranged at the position, close to the side wall of the fan box (12), of the turbine blade (28), an elastic plate (52) capable of always extruding the turbine blade (28) to enable the end plate (53) to be attached to the side wall of the fan box (12) is arranged between the turbine blade (28), a rotating shaft (27) is fixedly connected to one side, close to the motor (13), of the end plate (53), and a ventilating cavity (54) with gradually enlarged gaps is arranged between the turbine blade (28) and the fan box (12).
3. The silencing structure of the fan coil according to claim 1, wherein an air inlet box (14) for silencing when air is sucked is arranged on one side of the fan box (12), a dust screen (33) for preventing dust and impurities from being curled is arranged on one side of the air inlet box (14) far away from the fan box (12), a sound insulation baffle plate (34) is arranged on the side wall in the air inlet box (14), a first silencing plate (35) made of sound absorption material is arranged in the air inlet box (14) and close to the dust screen (33), a plurality of first air transmission holes for absorbing sound energy are arranged in the first silencing plate (35) and close to the sound insulation plate (34), a plurality of first air transmission holes for absorbing sound energy are fixedly arranged between the first silencing plate (35) and the end wall of the air inlet box (14), a plurality of second air transmission holes for absorbing sound energy are arranged in the first silencing barrel (36) and close to the end wall of the air inlet box (14), a second air transmission hole (37) made of sound absorption material with the same axis is arranged in the first silencing barrel (36), and a plurality of second air transmission holes (37) for absorbing sound energy are arranged in the second silencing barrel (35) and close to the end wall of the air inlet box (14).
4. The noise reduction structure of the fan tube disc according to claim 1, wherein slide rails (39) are respectively arranged on two side walls of the box body (10) near the air delivery pipe (29), an air stabilizing box (30) is arranged between the two slide rails (39) in a sliding manner, a sealed air cavity (31) for storing air is arranged between the air stabilizing box (30) and the sealed air cavity (31), a wind shield (32) is fixedly connected to the top end wall of the box body (10) in the sealed air cavity (31), the air stabilizing box (30) is connected to the rear side wall of the box body (10) through a first spring (40), a plurality of partition plates (38) for partitioning the inner cavity of the air stabilizing box (30) are fixedly arranged in the air stabilizing box (30), a first slider (42) and a second slider (43) are arranged in the inner cavity of the air stabilizing box (30) partitioned by the partition plates (38) in a sliding manner, a slant gap is formed between the first slider (42) and the second slider (43), and a ventilation channel is formed between the front side wall and the rear side wall of the air stabilizing box (30) and the second slider (42) or the second slider (41) is connected to the air stabilizing box (41) through the second spring (41).
5. The silencing structure of the fan coil according to claim 1, wherein heat exchange tubes (45) are arranged in the box body (10) in series, one end of each heat exchange tube (45) is provided with a water inlet tube (17) penetrating through the side wall of the box body (10), the other end of each heat exchange tube (45) is provided with a water outlet tube (18) penetrating through the side wall of the box body (10), and a bottom plate of the box body (10) close to the condensation box (11) is provided with a groove for absorbing condensed water on the outer wall of each heat exchange tube (45).
6. The silencing structure of the fan coil according to claim 1, wherein an air outlet (20) for outputting air heat exchanged through the heat exchange tube (45) is formed in one side of the box body (10) far away from the fan box (12), a plurality of wind direction changing swinging blades (21) are rotatably arranged on the side wall of the air outlet (20), each swinging blade (21) is connected in parallel with each other through a parallel four-bar mechanism, a swinging motor (46) is arranged on the side wall of the box body (10) near the swinging blades (21), and a driving shaft of the swinging motor (46) is fixedly connected with a rotating shaft of the swinging blades (21).
7. The muffling structure of a fan tube panel of claim 1, wherein a plurality of air outlet boxes (47) fixed to each other are disposed in the box (10) near the air outlet (20), the air outlet boxes (47) are connected to the side walls of the box (10) in a sealing manner, second sound insulating boards (50) made of sound-absorbing materials are fixedly disposed in the air outlet boxes (47), a plurality of fourth air holes for absorbing sound energy are disposed in the positions, near the fan blades (21), of the second sound insulating boards (50), first air outlet channels (48) are disposed between the side walls of the second sound insulating boards (50) and the air outlet boxes (47), third sound insulating boards (51) made of sound-absorbing materials are fixedly disposed in the air outlet boxes (47), a plurality of fifth air holes for absorbing sound energy are disposed in the positions, near the heat exchange tubes (45), of the third sound insulating boards (51) and the side walls of the air outlet boxes (47) are disposed with second air outlet channels (49) therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914590.3A CN115183456B (en) | 2022-08-01 | 2022-08-01 | Noise reduction structure of fan pipe disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914590.3A CN115183456B (en) | 2022-08-01 | 2022-08-01 | Noise reduction structure of fan pipe disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115183456A true CN115183456A (en) | 2022-10-14 |
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