CN113236531A - Combined noise reduction device of air conditioning unit - Google Patents
Combined noise reduction device of air conditioning unit Download PDFInfo
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- CN113236531A CN113236531A CN202110600240.5A CN202110600240A CN113236531A CN 113236531 A CN113236531 A CN 113236531A CN 202110600240 A CN202110600240 A CN 202110600240A CN 113236531 A CN113236531 A CN 113236531A
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- noise reduction
- compressor
- air
- air conditioning
- conditioning unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
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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
- 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
- F04D29/664—Sound attenuation by means of sound absorbing material
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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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a combined type air conditioning unit noise reduction device which comprises a bottom plate with a cuboid structure, wherein a damping base is fixedly arranged on the top surface of the bottom plate, a supporting plate is connected inside the damping base in a sliding mode, sliding grooves are formed in two sides of the inner wall of the damping base, pulleys are arranged on the surface of one side of each sliding groove, and a damping spring III is arranged inside each sliding groove. Has the advantages that: according to the invention, through the damping base, the vibration generated in the working process of the compressor and the fan can be damped, the vibration is effectively reduced, the noise is reduced, meanwhile, the risk of damage to the compressor and the fan caused by the vibration is reduced, and the service lives of the compressor and the fan are prolonged. According to the invention, the air pump, the air blowing pipe and the air nozzle are used for blowing and wiping the pressurized air on the outer surface of the compressor, so that the purpose of radiating the compressor is achieved, the influence of heat on the working efficiency of the compressor is reduced, and the risk of damage to the compressor is reduced.
Description
Technical Field
The invention relates to the field of air conditioning units, in particular to a combined type noise reduction device of an air conditioning unit.
Background
The noise of the air conditioner is an important index for measuring the overall quality of the air conditioner, and can reflect the overall technical performance of the air conditioner. The noise of the air conditioner mainly comes from the compressor. The noise reduction measure of the air conditioner compressor is to mount the compressor on a framework through a shock absorber, and the shock absorber is used for reducing the vibration between the compressor and the framework so as to reduce the vibration noise of the compressor. In addition, the noise generated by the high-speed operation of the compressor is reduced.
Traditional combined type air conditioning unit noise reduction device is main noise source for compressor and fan that operate at high speed at the during operation, and high speed operation compressor and fan vibrations are comparatively obvious at operation in-process, vibrations lead to compressor and fan to damage easily simultaneously, secondly high speed operation compressor is difficult to the heat dissipation, and the radiating effect remains to be improved, the radiating efficiency remains to be improved, sound absorbing material again remains to improve the noise reduction of noise effect
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the combined type air conditioning unit noise reduction device which has the advantages of vibration reduction, good heat dissipation effect, high heat dissipation efficiency and obvious noise reduction effect, and further solves the problems in the background art.
(II) technical scheme
In order to realize the advantages of easier treatment and convenient use of the children patients, the invention adopts the following specific technical scheme:
a combined type noise reduction device of an air conditioning unit comprises a bottom plate with a cuboid structure, wherein a damping base is fixedly installed on the top surface of the bottom plate, a supporting plate is connected inside the damping base in a sliding mode, sliding grooves are formed in two sides of the inner wall of the damping base, a pulley is arranged on one side surface of each sliding groove, a damping spring III is arranged inside each sliding groove, two ends of each damping spring III are respectively and fixedly connected with the bottom surface of the supporting plate and the inner bottom surface of each sliding groove through a mounting plate I, two ends of each supporting plate are abutted to the circumferential side wall of the corresponding pulley, a fixing rod is arranged above the bottom plate, mounting blocks are welded at two ends of each fixing rod, the bottom surface of each mounting block is fixedly connected with the top surface of the bottom plate, a sliding block is connected to the surface of each fixing rod in a sliding mode, a movable rod, the utility model discloses a damping spring is equipped with damping spring one between installation piece and the slider in the outside of dead lever, the top surface of bottom plate and the underrun mounting panel of backup pad have damping spring two, the top surface fixed mounting of backup pad has the compressor, the top surface fixed mounting of bottom plate has the sound-proof housing, and a lateral surface below of sound-proof housing is equipped with control panel, the bottom surface of bottom plate is equipped with the rubber pad.
Further, the top surface of backup pad is located the outside of compressor and is equipped with the shell, and the vertical hoist and mount of inner wall of shell has the gas blow pipe to the fixed surface of gas blow pipe installs the air cock, the top surface fixed mounting that the both sides of shell are located the backup pad has the air pump, and the end of giving vent to anger of two air pumps runs through the surface and the gas blow pipe intercommunication of shell through the hose, the both sides surface top of sound-proof housing is equipped with the thermovent, and the inner wall of two thermovents passes through mounting bracket fixed mounting and has driving motor to driving motor's output fixedly connected with flabellum, two one end threaded connection that the thermovent was kept away from each other has the dust guard, and the louvre has been seted up on the surface of dust guard.
Furthermore, the top surface of backup pad is located the right side fixed mounting of shell and has a amortization section of thick bamboo, and the inner wall of amortization section of thick bamboo is equipped with noise damping layer two, the inner wall of shell bonds and has inhales the sound felt, the inner wall of sound-proof housing is equipped with amortization honeycomb panel, and the internal surface of amortization honeycomb panel bonds and has noise damping layer one.
Furthermore, the input ends of the air pump and the driving motor are electrically connected with the output end of the control panel through a lead, and the input end of the control panel is connected with an external power supply through a lead.
Furthermore, the air nozzles are arranged in a plurality of annular arrays on the surface of the air blowing pipe.
Furthermore, the second damping springs are multiple, and the second damping springs are distributed on the top surface of the bottom plate in a rectangular array mode.
Further, the pulleys are provided with a plurality of pulleys, and the pulleys are distributed in the sliding groove at equal intervals.
Furthermore, the first silencing layer and the second silencing layer are made of sound-absorbing cotton, and the thicknesses of the first silencing layer and the second silencing layer are 3 cm.
Furthermore, a fan is arranged inside the silencing barrel, and the diameter of the silencing barrel is larger than that of the fan.
Furthermore, the area of the rubber pad is larger than that of the bottom plate, and the thickness of the rubber pad is 3 cm.
(III) advantageous effects
Compared with the prior art, the invention provides a combined type air conditioning unit noise reduction device, which has the following beneficial effects:
(1) the vibration damping device has the advantages that vibration generated in the working process of the compressor and the fan can be damped through the vibration damping base, vibration is effectively reduced, noise is reduced, the risk of damage to the compressor and the fan caused by vibration is reduced, and the service lives of the compressor and the fan are prolonged.
(2) The air pump, the air blowing pipe and the air nozzle can blow and wipe the pressurized air to the outer surface of the compressor, so that the purpose of radiating the compressor is achieved, the influence of heat on the working efficiency of the compressor is reduced, and the risk of damage to the compressor is reduced.
(3) According to the invention, through the sound absorption felt and the second silencing layer, sound absorption treatment can be carried out on noise generated when the compressor and the fan work, reverberation time is reduced, noise reduction efficiency of the compressor is improved, and noise reduction effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a noise reduction device of a combined air conditioning unit according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a compressor, an acoustic felt, an air blowing pipe, an air nozzle and a shell of a combined air conditioning unit noise reduction device according to an embodiment of the invention;
FIG. 3 is a top view of a support plate of a noise reducer for a modular air conditioning unit according to an embodiment of the present invention;
FIG. 4 is a three-side view of a chute, a pulley, a first mounting plate and a damping spring of a combined air conditioning unit noise reduction device according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a heat dissipation opening, a driving motor and fan blades of a noise reduction device of a combined air conditioning unit according to an embodiment of the present invention;
FIG. 6 is a schematic external view of a noise reducer of a combined air conditioning unit according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a bottom plate, a chute and a base of a noise reduction device of a combined air conditioning unit according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a silencing tube and a silencing layer of a noise reduction device of a combined air conditioning unit according to an embodiment of the invention.
In the figure:
1. a base plate; 2. a sound-proof housing; 3. a damping mount; 4. a chute; 5. a support plate; 6. a pulley; 7. a first mounting plate; 8. a damping spring III; 9. mounting blocks; 10. fixing the rod; 11. a slider; 12. a first damping spring; 13. a movable rod; 14. a hinge; 15. a second mounting plate; 16. a second damping spring; 17. a rubber pad; 18. a sound deadening honeycomb panel; 19. a noise reduction layer I; 20. a compressor; 21. a sound absorbing felt; 22. an air blowing pipe; 23. an air tap; 24. an air pump; 25. a silencing barrel; 26. a silencing layer II; 27. a heat dissipation port; 28. a drive motor; 29. a fan blade; 30. a dust-proof plate; 31. heat dissipation holes; 32. a control panel; 33. a housing.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the noise reduction device of the combined air conditioning unit is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-8, the noise reduction device of the combined air conditioning unit according to the embodiment of the invention comprises a bottom plate 1 with a rectangular parallelepiped structure, a damping base 3 is fixedly installed on the top surface of the bottom plate 1, a support plate 5 is slidably connected inside the damping base 3, sliding grooves 4 are formed in two sides of the inner wall of the damping base 3, pulleys 6 are arranged on one side surface of each sliding groove 4, a damping spring III 8 is arranged inside each sliding groove 4, two ends of each damping spring III 8 are respectively and fixedly connected with the bottom surface of the support plate 5 and the inner bottom surface of the corresponding sliding groove 4 through a mounting plate I7, two ends of each support plate 5 are abutted against the circumferential side wall of each pulley 6, so that the friction between two ends of each support plate 5 and the corresponding sliding groove 4 during up-down movement can be reduced, a fixing rod 10 is arranged above the bottom plate 1, and mounting blocks 9 are welded at two ends of each fixing rod 10, the bottom surface of the mounting block 9 is fixedly connected with the top surface of the bottom plate 1, the surface of the fixed rod 10 is connected with a sliding block 11 in a sliding manner, a movable rod 13 is arranged above the sliding block 11, two ends of the movable rod 13 are respectively hinged with the bottom surface of the supporting plate 5 and the top surface of the sliding block 11 through hinges 14, a damping spring I12 is arranged between the mounting block 9 and the sliding block 11 and outside the fixed rod 10, a damping spring II 16 is fixedly arranged on the top surface of the bottom plate 1 and the bottom surface of the supporting plate 5 through a mounting plate II 15, a compressor 20 is fixedly arranged on the top surface of the supporting plate 5, a plurality of damping springs II 16 and damping springs I12 are telescopic, vibration generated in the working process of the compressor 20 and the fan can be damped, vibration is effectively reduced, noise is reduced, meanwhile, the risk of damage of the compressor 20 and the fan caused by vibration is reduced, the service lives of the compressor 20 and the fan are prolonged, a sound-proof cover 2 is fixedly arranged on the top surface of the bottom plate 1, and one side surface below of sound-proof housing 2 is equipped with control panel 32, and the bottom surface of bottom plate 1 is equipped with rubber pad 17, increases the frictional force between bottom plate 1 and the ground, reduces the risk of rocking.
In one embodiment, a housing 33 is disposed on the top surface of the supporting plate 5 and located on the outer side of the compressor 20, an air blowing pipe 22 is vertically hung on the inner wall of the housing 33, air nozzles 23 are fixedly mounted on the surface of the air blowing pipe 22, air pumps 24 are fixedly mounted on the two sides of the housing 33 and located on the top surface of the supporting plate 5, air outlet ends of the two air pumps 24 penetrate through the surface of the housing 33 through hoses to be communicated with the air blowing pipe 22, the air pumps 24 can blow pressurized air out of the air nozzles 23, so as to blow off the outer surface of the compressor 20, and achieve the purpose of dissipating heat for the compressor 20, reduce the influence of heat on the working efficiency of the compressor 20, reduce the risk of damage to the compressor 20, heat dissipating ports 27 are disposed above the surfaces of the two sides of the soundproof cover 2, a driving motor 28 is fixedly mounted on the inner walls of the two heat dissipating ports 27 through a mounting bracket, and fan blades 29 are fixedly connected to the output end of the driving motor 28, one end threaded connection that two thermovents 27 kept away from each other has dust guard 30, and louvre 31 has been seted up on the surface of dust guard 30, and driving motor 28's output drives flabellum 29 rotatory, can dispel the heat that other spare parts work produced in the sound-proof housing 2.
In one embodiment, the top surface of the supporting plate 5 is located on the right side of the shell 33 and is fixedly provided with the silencing cylinder 25, the inner wall of the silencing cylinder 25 is provided with a silencing layer II 26, the inner wall of the shell 33 is bonded with the sound-absorbing felt 21, the inner wall of the sound-absorbing cover 2 is provided with the silencing honeycomb plate 18, the inner surface of the silencing honeycomb plate 18 is bonded with the silencing layer I19, noise generated when the compressor 20 and the fan work can be subjected to sound absorption treatment, reverberation time is shortened, noise is reduced, noise reduction efficiency of the compressor 20 is improved, noise reduction effect is improved, secondary noise reduction can be performed on the silencing honeycomb plate 18 and the silencing layer I19, and noise reduction effect is further improved.
In an embodiment, the input ends of the air pump 24 and the driving motor 28 are electrically connected to the output end of the control panel 32 through a conducting wire, and the input end of the control panel 32 is connected to an external power source through a conducting wire, which is a common circuit structure and will not be described in detail herein.
In one embodiment, the air nozzles 23 are provided in plural numbers, and the plural air nozzles 23 are distributed on the surface of the blowing pipe 22 in an annular array, so as to improve the heat dissipation effect and the heat dissipation efficiency of the compressor 20.
In one embodiment, the damping spring 16 is provided in plurality, and the plurality of damping springs 16 are distributed on the top surface of the bottom plate 1 in a rectangular array, so that the damping effect and the damping efficiency are improved.
In one embodiment, the pulley 6 is provided in plurality, and the plurality of pulleys 6 are equally spaced inside the chute 4, so that the support plate 5 moves up and down more smoothly.
In one embodiment, the first sound-absorbing layer 19 and the second sound-absorbing layer 26 are made of sound-absorbing cotton, and the thickness of the first sound-absorbing layer 19 and the second sound-absorbing layer 26 is 3cm, so that the noise reduction effect and the noise reduction efficiency are improved.
In one embodiment, the silencing tube 25 is provided with a fan inside, and the diameter of the silencing tube 25 is larger than that of the fan, so that the fan can be conveniently installed in the silencing tube 25 to reduce noise generated by the operation of the fan.
In one embodiment, the area of the rubber pad 17 is larger than that of the bottom plate 1, and the thickness of the rubber pad 17 is 3cm, so that the contact area of the bottom plate 1 and the ground is increased.
The working principle is as follows:
at first through vibration damping mount 3 and a plurality of damping spring 12, can carry out the bradyseism with the vibrations that produce in compressor 20 and the fan working process, effectual reduction vibrations, the noise reduction reduces simultaneously and leads to the risk of compressor 20 and fan damage because of vibrations, prolongs the life of compressor 20 and fan, and rubber pad 17 can increase the frictional force between bottom plate 1 and the ground simultaneously, reduces the risk of rocking.
Secondly two air pumps 24 can blow out the air after the pressurization from a plurality of air nozzles 23 to blow and wipe off the surface of compressor 20, play and carry out radiating purpose for compressor 20, reduce the influence that the heat caused compressor 20 work efficiency, reduce the risk that compressor 20 damaged, and driving motor 28's output drives flabellum 29 rotatory, can dispel the heat that other spare parts work produced in the sound-proof housing 2.
Inhale sound felt 21 and noise reduction layer two 26 once more, can carry out the sound absorption to the noise that compressor 20 and fan during operation produced, reduce with low reverberation time, reduce the noise, improve the efficiency of making an uproar that falls to compressor 20, promote the noise reduction effect, and amortization honeycomb panel 18 and noise reduction layer one 19 can carry out the secondary and fall the noise, further improve the noise reduction effect.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The combined type noise reduction device of the air conditioning unit is characterized by comprising a bottom plate (1) of a cuboid structure, wherein a damping base (3) is fixedly installed on the top surface of the bottom plate (1), a supporting plate (5) is connected to the inside of the damping base (3) in a sliding mode, sliding grooves (4) are formed in two sides of the inner wall of the damping base (3), a pulley (6) is arranged on one side surface of each sliding groove (4), a damping spring III (8) is arranged inside each sliding groove (4), two ends of each damping spring III (8) are respectively fixedly connected with the bottom surface of the supporting plate (5) and the inner bottom surface of each sliding groove (4) through a mounting plate I (7), two ends of each supporting plate (5) are abutted against the side wall of the circumference of each pulley (6), a fixing rod (10) is arranged above the bottom plate (1), and mounting blocks (9) are welded at two ends of the fixing rod (10), and the bottom surface of the mounting block (9) is fixedly connected with the top surface of the bottom plate (1), the surface of the fixed rod (10) is connected with a sliding block (11) in a sliding manner, a movable rod (13) is arranged above the sliding block (11), the two ends of the movable rod (13) are respectively hinged with the bottom surface of the support plate (5) and the top surface of the sliding block (11) through hinges (14), a damping spring I (12) is arranged between the mounting block (9) and the sliding block (11) on the outer side of the fixed rod (10), a damping spring II (16) is fixedly mounted on the top surface of the bottom plate (1) and the bottom surface of the support plate (5) through a mounting plate II (15), a compressor (20) is fixedly mounted on the top surface of the support plate (5), a sound-proof cover (2) is fixedly mounted on the top surface of the bottom plate (1), and a control panel (32) is arranged below one side surface of the sound-proof cover (2), the bottom surface of the bottom plate (1) is provided with a rubber pad (17).
2. The combined type noise reduction device of the air conditioning unit according to claim 1, wherein a housing (33) is arranged on the top surface of the support plate (5) and located on the outer side of the compressor (20), an air blowing pipe (22) is vertically hung on the inner wall of the housing (33), an air nozzle (23) is fixedly installed on the surface of the air blowing pipe (22), air pumps (24) are fixedly installed on the top surfaces of the support plate (5) and located on the two sides of the housing (33), the air outlet ends of the two air pumps (24) penetrate through the surface of the housing (33) through hoses and are communicated with the air blowing pipe (22), heat dissipation ports (27) are arranged above the surfaces of the two sides of the soundproof cover (2), a driving motor (28) is fixedly installed on the inner walls of the two heat dissipation ports (27) through an installation frame, fan blades (29) are fixedly connected to the output end of the driving motor (28), and a dustproof plate (30) is connected to one end, away from each other, of the two heat dissipation ports (27), and the surface of the dust guard (30) is provided with a heat dissipation hole (31).
3. The combined type air conditioning unit noise reduction device according to claim 1, wherein a silencing barrel (25) is fixedly installed on the top surface of the support plate (5) on the right side of the outer shell (33), a silencing layer II (26) is arranged on the inner wall of the silencing barrel (25), a sound absorption felt (21) is bonded on the inner wall of the outer shell (33), a silencing honeycomb plate (18) is arranged on the inner wall of the soundproof cover (2), and a silencing layer I (19) is bonded on the inner surface of the silencing honeycomb plate (18).
4. The combined type air conditioning unit noise reduction device according to claim 2, wherein the input ends of the air pump (24) and the driving motor (28) are electrically connected with the output end of the control panel (32) through a conducting wire, and the input end of the control panel (32) is connected with an external power supply through a conducting wire.
5. A combined air conditioning unit noise reduction device according to claim 2, wherein the air nozzles (23) are provided in plurality, and the plurality of air nozzles (23) are distributed on the surface of the blowing pipe (22) in an annular array.
6. The combined type air conditioning unit noise reduction device according to claim 1, wherein a plurality of second damping springs (16) are arranged, and the plurality of second damping springs (16) are distributed on the top surface of the bottom plate (1) in a rectangular array.
7. A modular noise reduction device for air conditioning units according to claim 1, characterized in that said pulley (6) is provided in plurality and a plurality of pulleys (6) are equally distributed inside the chute (4).
8. The combined type noise reduction device for the air conditioning unit according to claim 3, wherein the first noise reduction layer (19) and the second noise reduction layer (26) are made of sound absorption cotton, and the thickness of the first noise reduction layer (19) and the second noise reduction layer (26) is 3 cm.
9. A combined air conditioning unit noise reduction device according to claim 3, wherein the silencing pot (25) is provided with a fan inside, and the diameter of the silencing pot (25) is larger than that of the fan.
10. The combined air conditioning unit noise reduction device of claim 1, wherein the area of the rubber mat (17) is larger than the area of the bottom plate (1), and the thickness of the rubber mat (17) is 3 cm.
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| CN202110600240.5A CN113236531B (en) | 2021-05-31 | 2021-05-31 | Noise reduction device of combined air conditioning unit |
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| CN113236531B (en) | 2023-06-09 |
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