Noise reduction enhanced air conditioner silencer
By designing a detachable housing structure and annular mounting groove, the problem of difficulty in replacing the silence structure in existing air-conditioning mufflers is solved, and simpler assembly and replacement is achieved, improving noise reduction effect and preventing dust clogging.
Patent Information
- Application Number
- CN202420818758.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-19
AI Technical Summary
When replacing or repairing the existing air conditioner, it is difficult to replace the sound silence structure located in the middle due to the welding of the connectors and the shell, resulting in the necessity of overall replacement, which affects the sound silence effect and maintenance convenience.
A noise reduction enhanced air conditioner silencer is designed, adopting a detachable housing structure, and the first end and the second end are bolted at the opening of the middle barrel, and an internal silencer tube, a silent plate, and a silent silencer are installed inside. Cotton and ring mounting slots simplify assembly and replacement processes while setting up dustproof mesh to prevent dust clogging.
It realizes simpler assembly and replacement operations, improves noise reduction effect, and avoids external dust entering through the dustproof net setting, ensuring the smoothness of the silence hole and the sound silence effect.
Smart Images
Figure CN222230872U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air conditioner silencers, in particular to a noise reduction enhanced air conditioner silencer. Background Art
[0002] A silencer is a device that uses the principles of sound absorption, reflection, interference, etc. to reduce the airflow noise in ventilation and air conditioning systems. According to the different silencer principles, it can be divided into resistive, reactive, resonant and composite types.
[0003] For example, the prior art (patent number CN215832170U) discloses a muffler for rapid noise reduction for air conditioning refrigeration, comprising a shell, an integrated air intake pipe welded to one side of the shell, a mounting plate welded to the inner wall of the shell, a plurality of first through holes on the surface of one side of the mounting plate, an air supply pipe is sleeved at the first through holes on one side of the mounting plate, a plurality of baffles are staggeredly welded on the inner wall of the air supply pipe, a plurality of second through holes are opened on the surface of one side of the baffle, a fixing plate is welded to the inner wall of the shell, a sound-absorbing layer is adhered to the surface of one side of the fixing plate, a plurality of third through holes are opened between one side of the fixing plate and the sound-absorbing layer, a first partition is welded to the inner wall of the shell, a plurality of S-shaped tubes are welded through one side of the first partition, a second partition is welded to the inner wall of the shell, one end of the plurality of S-shaped tubes passes through the second partition, and an integrated air outlet pipe is welded to one side of the shell. The utility model has good noise reduction effect.
[0004] In the above application, there are multiple structures that play a silencer function, and the connecting parts between the silencer structure and the shell are welded to the shell. Therefore, when some of the silencer structures are subsequently replaced or repaired, if there are additional connecting parts on both sides of the damaged silencer structure, and since the connecting parts are welded to the shell, it is difficult to replace the silencer structure located in the middle. In order to ensure the silencer effect of the air conditioner, the entire silencer needs to be replaced. Utility Model Content
[0005] The purpose of the utility model is to provide a noise reduction enhanced air conditioner muffler to solve the problems raised in the above background technology.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] A noise reduction enhanced air conditioner silencer comprises a shell, the shell is composed of a first end, a second end and a middle tube, the first end and the second end are fixedly arranged at two openings of the middle tube by bolts, and the first end and the second end are both arranged in a conical shape;
[0008] A silencer inner tube is arranged inside the middle tube, a plurality of evenly distributed first silencer holes are opened outside the silencer inner tube, a silencer plate is fixedly arranged at one end of the second end close to the silencer inner tube, a plurality of evenly distributed second silencer holes are opened at the end of the silencer plate, and a first silencer cotton is arranged on the top of the silencer plate.
[0009] Preferably, the first end, the second end and the interior of the middle tube are all provided with an annular second sound-absorbing cotton.
[0010] Preferably, an annular mounting seat is fixedly provided on the inner wall of the first end portion, a first annular mounting groove is opened at one end of the bottom of the annular mounting seat, and the top of the silencer inner tube cooperates with the first annular mounting groove.
[0011] Preferably, a second annular mounting groove is provided on the top of the silencer plate, the bottom of the silencer inner tube cooperates with the second annular mounting groove, and the first silencer cotton sleeve is arranged on the outside of the bottom end of the silencer inner tube.
[0012] Preferably, a dustproof net is arranged inside the first end portion, a third annular mounting groove is formed at one end of the bottom of the annular mounting seat away from the first annular mounting groove, and the third annular mounting groove cooperates with the dustproof net.
[0013] Preferably, the diameter of the third annular mounting groove is smaller than the diameter of the first annular mounting groove, and a pressure plate for restricting the dustproof net is formed on the top of the silencer inner tube.
[0014] Beneficial effects of the utility model:
[0015] 1. The noise-containing gas generated in the air conditioner of the utility model first passes through a plurality of first silencer holes in the silencer inner tube for the first step of noise reduction and silencing treatment, and then the gas passes through the first silencer cotton, which performs secondary sound absorption and noise reduction on the air, and then the gas enters the second end through the second silencer hole, performing three noise reductions, thereby ensuring the noise reduction effect. Moreover, when assembling the air conditioner silencer, first fix the first end and the middle tube, insert the matching end of the silencer inner tube into the first annular mounting groove, and finally fix the second end and the other end of the middle tube, so that the second annular mounting groove matches the silencer inner tube, thereby completing the assembly of the air conditioner silencer. Compared with the prior art, the operation is simple and convenient for subsequent replacement.
[0016] 2. The dustproof net of the utility model can block the dust entering the interior of the shell, thereby avoiding the blockage of the first outer silencer hole, and through the third annular mounting groove, the dustproof net is limited by the pressure plate on the top of the silencer inner tube. After the shell is assembled, the dustproof net is also fixed inside it. When the dustproof net is replaced later, the dustproof net can be replaced after the silencer inner tube is taken out. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the internal structure of the shell of the utility model;
[0020] Figure 3 yes Figure 2 A partial enlarged view in FIG.
[0021] Figure 4 This is a schematic diagram of the structure of the silencer inner tube of the utility model;
[0022] The reference numerals in the figure are as follows: 1. outer shell; 2. silencer inner tube; 3. first silencer hole; 4. silencer plate; 5. second silencer hole; 6. first silencer cotton; 7. annular mounting seat; 8. first annular mounting groove; 9. second annular mounting groove; 10. dustproof net; 11. first end; 12. second end; 13. middle tube; 14. third annular mounting groove; 15. pressure plate; 16. second silencer cotton. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] like Figure 1-Figure 4 As shown, a noise reduction enhanced air conditioner silencer comprises a housing 1, the housing 1 is composed of a first end 11, a second end 12 and a middle tube 13, the first end 11 and the second end 12 are fixedly arranged at two openings of the middle tube 13 by bolts, and the first end 11 and the second end 12 are both arranged in a conical shape;
[0025] A sound-absorbing inner tube 2 is arranged inside the middle tube 13, and a plurality of evenly distributed first sound-absorbing holes 3 are opened outside the sound-absorbing inner tube 2. A sound-absorbing plate 4 is fixedly arranged at one end of the second end 12 close to the sound-absorbing inner tube 2, and a plurality of evenly distributed second sound-absorbing holes 5 are opened at the end of the sound-absorbing plate 4. A first sound-absorbing cotton 6 is arranged on the top of the sound-absorbing plate 4.
[0026] The first end portion 11, the second end portion 12 and the interior of the middle tube 13 are all provided with an annular second sound-absorbing cotton 16;
[0027] During operation, the noisy gas generated in the air conditioner first enters the interior of the silencer inner tube 2 through the opening of the first end 11, and then enters the interior of the middle tube 13 through the plurality of first silencer holes 3 in the silencer inner tube 2. The first silencer holes 3 perform the first step of noise reduction and silencing treatment on the noise in the air. Subsequently, the gas passes through the first silencer cotton 6, and the first silencer cotton 6 performs secondary sound absorption and noise reduction on the air. The gas then enters the second end 12 through the second silencer hole 5, performs third noise reduction, and is finally discharged through the outlet in the second end 12.
[0028] like Figure 2 and Figure 3 As shown, an annular mounting seat 7 is fixedly provided on the inner wall of the first end portion 11, and a first annular mounting groove 8 is provided at one end of the bottom of the annular mounting seat 7, and the top of the silencer inner tube 2 cooperates with the first annular mounting groove 8;
[0029] A second annular mounting groove 9 is provided on the top of the muffler plate 4, the bottom of the muffler inner tube 2 cooperates with the second annular mounting groove 9, and the first muffler cotton 6 is sleeved on the outside of the bottom end of the muffler inner tube 2;
[0030] When assembling the air conditioner silencer, first fix the first end 11 and the middle tube 13, invert the first end 11 and the middle tube 13, then insert the matching end of the silencer inner tube 2 into the first annular mounting groove 8, and finally fix the second end 12 and the other end of the middle tube 13, and at the same time make the second annular mounting groove 9 match with the silencer inner tube 2, and the assembly of the air conditioner silencer is completed. Compared with the prior art, the operation is simple and convenient for subsequent replacement.
[0031] like Figure 3 and Figure 4 As shown, a dustproof net 10 is disposed inside the first end portion 11, and a third annular mounting groove 14 is formed at one end of the bottom of the annular mounting seat 7 away from the first annular mounting groove 8, and the third annular mounting groove 14 cooperates with the dustproof net 10;
[0032] The diameter of the third annular installation groove 14 is smaller than the diameter of the first annular installation groove 8, and a pressure plate 15 for restricting the dustproof net 10 is formed on the top of the silencer inner tube 2;
[0033] The setting of the dustproof net 10 can block the dust entering the interior of the outer shell 1, thereby avoiding the blockage of the outer first silencer hole 3. Before placing the silencer inner tube 2, the dustproof net 10 is first placed inside the third annular mounting groove 14, and then the silencer inner tube 2 is placed in the first annular mounting groove 8. The pressure plate 15 on the top of the silencer inner tube 2 limits the dustproof net 10. After the outer shell 1 is assembled, the dustproof net 10 is also fixed inside it. When the dustproof net 10 is replaced later, the dustproof net 10 can be replaced after the silencer inner tube 2 is taken out.
[0034] The working principle of the noise reduction enhanced air conditioner silencer provided by the utility model is as follows:
[0035] When in use, the air conditioner silencer is first installed at a designated position, and the noise-containing gas generated in the air conditioner first enters the silencer inner tube 2 through the opening of the first end 11, and then enters the middle tube 13 through a plurality of first silencer holes 3 in the silencer inner tube 2. Subsequently, the gas passes through the first silencer cotton 6, enters the second end 12 through the second silencer hole 5, and is finally discharged through the outlet in the second end 12.
[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A noise reduction enhanced air conditioner silencer, comprising a housing (1), characterized in that: The housing (1) is composed of a first end (11), a second end (12) and a middle tube (13); the first end (11) and the second end (12) are fixed to two openings of the middle tube (13) by bolts; the first end (11) and the second end (12) are both arranged in a conical shape; A silencer inner tube (2) is arranged inside the middle tube (13), a plurality of evenly distributed first silencer holes (3) are opened outside the silencer inner tube (2), a silencer plate (4) is fixedly arranged at one end of the second end (12) close to the silencer inner tube (2), a plurality of evenly distributed second silencer holes (5) are opened at the end of the silencer plate (4), and a first silencer cotton (6) is arranged on the top of the silencer plate (4).
2. The noise reduction enhanced air conditioner muffler according to claim 1, characterized in that: The first end portion (11), the second end portion (12) and the interior of the middle tube (13) are all provided with an annular second sound-absorbing cotton (16).
3. The noise reduction enhanced air conditioner muffler according to claim 1, characterized in that: An annular mounting seat (7) is fixedly provided on the inner wall of the first end portion (11), a first annular mounting groove (8) is provided at one end of the bottom of the annular mounting seat (7), and the top of the silencer inner tube (2) cooperates with the first annular mounting groove (8).
4. The noise reduction enhanced air conditioner muffler according to claim 1, characterized in that: A second annular mounting groove (9) is provided on the top of the silencer plate (4), the bottom of the silencer inner tube (2) cooperates with the second annular mounting groove (9), and the first silencer cotton (6) is sleeved on the outside of the bottom end of the silencer inner tube (2).
5. The noise reduction enhanced air conditioner muffler according to claim 3, characterized in that: A dustproof net (10) is arranged inside the first end portion (11), and a third annular mounting groove (14) is provided at one end of the bottom of the annular mounting seat (7) away from the first annular mounting groove (8), and the third annular mounting groove (14) cooperates with the dustproof net (10).
6. The noise reduction enhanced air conditioner muffler according to claim 5, characterized in that: The diameter of the third annular installation groove (14) is smaller than the diameter of the first annular installation groove (8), and a pressure plate (15) for restricting the dustproof net (10) is formed on the top of the silencer inner tube (2).