CN110686398B - Silencer with adjustable length and system pressure capable of being automatically adapted and air conditioner - Google Patents
Silencer with adjustable length and system pressure capable of being automatically adapted and air conditioner Download PDFInfo
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- CN110686398B CN110686398B CN201910913996.8A CN201910913996A CN110686398B CN 110686398 B CN110686398 B CN 110686398B CN 201910913996 A CN201910913996 A CN 201910913996A CN 110686398 B CN110686398 B CN 110686398B
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- 230000003584 silencer Effects 0.000 title abstract description 49
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 239000003507 refrigerant Substances 0.000 description 20
- 230000008859 change Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000001743 silencing effect Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008030 elimination Effects 0.000 description 6
- 238000003379 elimination reaction Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000012827 research and development Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000030279 gene silencing Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction 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
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a silencer with adjustable length and system pressure capable of automatically adapting to. Wherein, the left barrel is movably connected with the left end of the middle barrel in a sleeving manner and is adjusted and moved left and right relative to the middle barrel; the air inlet is positioned on the left cylinder body; the right barrel is movably connected with the right end of the middle barrel in a sleeved mode and moves in a left-right adjusting mode relative to the middle barrel; the air outlet is positioned on the right cylinder body; the guide plate is matched and arranged in the inner cavity of the middle cylinder body and is respectively communicated with the air inlet and the air outlet; two elastic pieces are respectively connected with the two sides of the guide plate and the middle cylinder body. The length of the silencer is adjustable, the system pressure can automatically adapt to the silencer, the length of the cylinder can be adjusted, meanwhile, the system pressure can be automatically adapted, and finally, the final effect of stably eliminating noise is achieved; an air conditioner having the muffler with adjustable length and automatically adaptable system pressure is also provided.
Description
Technical Field
The invention relates to a silencer, in particular to a silencer with adjustable length and system pressure capable of automatically adapting to; and an air conditioner having the muffler with adjustable length and automatically adaptable system pressure.
Background
In the operation process of the air conditioner, along with the change of indoor and outdoor environment temperatures, the operation load of the air conditioner also changes, the system refrigerant pressure is different, and the peak frequency of generated noise is also different. The silencer is widely used as a device for solving the problem of sound transmission of an air conditioner outdoor unit.
The formation of the compressor transmission sound is closely related to the use environment of the system, and the peak frequency of the noise generated by different use environments is different. In specific practice, the problem that the designed silencer is not ideal in silencing effect or even poor in silencing effect after being welded to a pipeline exists. The main reasons are that the air conditioner has different use environments, the factors influencing the noise of the compressor change, the frequency of the noise generated by the compressor changes, and the frequency deviates from the theoretical noise elimination frequency of the silencer, and the deviation has a certain magnitude. At present, the theoretical noise elimination frequency of the silencer cannot be coincided with the target noise elimination frequency by 100 percent, and only when the silencer is designed, various factors are considered as much as possible, so that the theoretical noise elimination value of the silencer is the same as the target noise elimination value as much as possible.
If the silencing effect is poor, the silencer can be directly reported to be abandoned according to the existing operation method, a new silencer needs to be redesigned and manufactured, and then a trial-manufacture machine is welded on a pipeline. The process of redesigning, manufacturing the silencer and returning to the sample machine consumes more time, and the development progress of the sample machine is influenced.
According to the working principle of the silencer, the main factor influencing the silencing frequency of the silencer is mainly the length of the silencer cylinder, and if the length of the silencer cylinder can be adjusted, a new silencer does not need to be manufactured. Theoretical noise cancelling frequency that makes the muffler is the same with noise frequency through adjusting muffler barrel length, can practice thrift a large amount of times for the technician for the solution of problem promotes research and development progress.
The discharge capacities of compressors used by an outer unit of the existing air conditioner are different, the pressure of a system is different, if the silencer can automatically adapt to and reduce the pressure of a system refrigerant, the pressure change of the system is controlled within a certain range, noise can be effectively inhibited from being transmitted to an indoor unit, and the working stability of the silencer is improved.
Patent No. CN108626874A discloses a noise reduction device, a control method of the noise reduction device, and an air conditioner, wherein a first pipe and a second pipe are arranged inside a housing, a flow channel for passing a medium is arranged in the second pipe, and the length of the flow channel is adjustably set.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a silencer with adjustable length and system pressure capable of automatically adapting to, wherein the silencer realizes the adjustment of the length of a cylinder body, simultaneously realizes the automatic adaptation of the system pressure, and finally realizes the final effect of stably eliminating noise; an air conditioner having the muffler with adjustable length and automatically adaptable system pressure is also provided.
In order to achieve the purpose, the invention adopts the following scheme:
but length adjustment and system pressure self-adaptation muffler, including air inlet and the gas outlet that is linked together, still include:
a middle cylinder body;
the left barrel is movably connected with the left end of the middle barrel in a sleeved mode and moves in a left-right adjusting mode relative to the middle barrel; the air inlet is positioned on the left cylinder body;
the right barrel is sleeved and movably connected with the right end of the middle barrel and is adjusted to move left and right relative to the middle barrel; the air outlet is positioned on the right barrel;
the guide plate is matched and arranged in the inner cavity of the middle cylinder body and is respectively communicated with the air inlet and the air outlet;
and the two elastic pieces are respectively connected with the two sides of the guide plate and the middle cylinder body.
Furthermore, the guide plate comprises a plate body matched with the inner wall of the middle cylinder body and at least one through hole formed in the plate body; the two elastic pieces are respectively connected with two sides of the plate body.
Further, the elastic member is a spring.
Further, the elastic member is formed of a plurality of springs nested together.
Furthermore, external threads are arranged on the outer walls of the left end and the right end of the middle cylinder body; the inner walls of the left barrel and the right barrel are provided with inner threads which are correspondingly matched with the outer threads at the left end and the right end of the middle barrel; the left cylinder body or/and the right cylinder body are adjusted to move left and right relative to the middle cylinder body through the connection of the external threads and the corresponding internal threads.
Further, an air inlet communicating pipeline is communicated with the air inlet; an air outlet communicating pipeline is communicated with the air outlet.
Further, a first nut used for reinforcing and fixing the left barrel is sleeved on the outer wall of the middle barrel in a matched manner; and a second nut used for reinforcing and fixing the right barrel is sleeved on the outer wall of the middle barrel in a matched manner.
Furthermore, sealing rings which are matched with each other and sleeved on the middle cylinder body are arranged between the left cylinder body and the first nut and between the right cylinder body and the second nut.
The application also discloses an air conditioner, which comprises the silencer with adjustable length and automatically adaptive system pressure.
Compared with the prior art, the invention has the following advantages:
1. the silencer with adjustable length and automatically adaptive system pressure is provided with a left barrel, a middle barrel and a right barrel; utilize left barrel and right barrel respectively with the well barrel about between the end the relation of connection, realize the length adjustment of barrel, can increase or reduce muffler barrel length as required, thereby realize the length adjustment of the amortization chamber that left barrel, well barrel and right barrel three formed, make noise frequency take place the skew, it is the same with noise frequency to reach theoretical noise cancelling frequency, thereby make this muffler reach best noise cancelling effect and reach best noise cancelling effect, also help practicing thrift a large amount of time for the technician simultaneously, accelerate the solution of problem and promote research and development progress.
2. The length-adjustable silencer with the system pressure capable of automatically adapting to is provided with the guide plate in the middle cylinder, the elastic pieces are arranged on the two sides of the guide plate, the guide plate bears pressure after a refrigerant passes through the guide plate, the pressure is counteracted by the elastic pieces on the two sides of the guide plate, the system pressure of the refrigerant can be automatically adapted and reduced, the change of the system pressure is controlled in a certain range, the energy of noise is reduced, the transmission to an indoor unit is reduced, and the silencing effect of the length-adjustable silencer with the system pressure capable of automatically adapting to is further improved by combining the length-adjustable cylinder.
3. The length of the silencer is adjustable, the system pressure can automatically adapt to the silencer, the universality is realized, the types of the silencers can be greatly reduced, the mass production of the silencers is facilitated, and the production and manufacturing cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a perspective view of an adjustable length and system pressure self-adaptive muffler of the present invention.
Fig. 2 is an exploded perspective view of the adjustable length and system pressure self-adaptive muffler of the present invention.
FIG. 3 is a schematic cross-sectional view of an adjustable length and system pressure self-adaptive muffler of the present invention.
FIG. 4 is a top view of an adjustable length baffle of the present invention with system pressure automatically adaptable to the muffler.
The figure includes:
the air inlet and outlet device comprises a left barrel body 1, a middle barrel body 2, a right barrel body 3, a guide plate 4, a plate body 41, a through hole 42, an elastic part 5, an external thread 6, an internal thread 7, an air inlet 8, an air outlet 9, an air inlet communicating pipeline 10, an air outlet communicating pipeline 11, a first nut 12, a second nut 13 and a sealing ring 14.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1 to 4, the silencer with adjustable length and system pressure capable of automatically adapting to comprises an air inlet 8 and an air outlet 9 which are communicated with each other, and further comprises a middle cylinder 2, a left cylinder 1, a right cylinder 3, a guide plate 4 and an elastic part 5. The left barrel 1 is movably connected with the left end of the middle barrel 2 in a sleeved mode and moves left and right relative to the middle barrel 2 in an adjusting mode; the air inlet 8 is positioned on the left barrel body 1; the right barrel 3 is movably connected with the right end of the middle barrel 2 in a sleeved mode and moves left and right relative to the middle barrel 2 in an adjusting mode; the air outlet 9 is positioned on the right barrel 3; the guide plate 4 is matched and arranged in the inner cavity of the middle cylinder body 2 and is respectively communicated with the air inlet 8 and the air outlet 9; the two elastic pieces 5 are respectively connected with the two sides of the guide plate 4 and the middle cylinder body 2.
The silencer with adjustable length and system pressure capable of automatically adapting to is provided with a left barrel body 1, a middle barrel body 2 and a right barrel body 3; utilize left barrel 1 and right barrel 3 respectively with well barrel 2 about between the end the relation of connection, realize the length adjustment of barrel, can increase or reduce muffler barrel length as required, with left barrel 1, well barrel 2 and right barrel 3 are as a barrel, thereby realize left barrel 1, the length adjustment in the amortization chamber that well barrel 2 and right barrel 3 three formed, make noise frequency take place the skew, it is the same with noise frequency to reach theoretical amortization frequency, thereby make this muffler reach best noise cancelling effect and reach best noise cancelling effect, also help practicing thrift a large amount of time for the technician simultaneously, accelerate the solution of problem and promote the research and development progress. Meanwhile, the guide plate 4 is arranged in the middle barrel body 2, the elastic pieces 5 are arranged on two sides of the guide plate 4, after the refrigerant passes through the guide plate 4, the guide plate 4 is under the pressure action of the refrigerant and is offset through the elastic pieces 5 on two sides of the guide plate 4, the system refrigerant pressure can be automatically adapted and reduced, the system pressure change is controlled within a certain range, the energy of noise is reduced, the transmission to an indoor unit is reduced, the silencer is combined with the barrel body capable of being adjusted in length, and the silencing effect of the silencer which can be adjusted in length and automatically adapt to the system pressure is further improved.
In the present embodiment, the elastic member 5 is a spring. Utilize the spring to have good elastic characteristics, set up the both sides of guide plate 4 with the spring, after the refrigerant passes through guide plate 4, guide plate 4 receives the pressure effect of refrigerant, and a spring receives guide plate 4's pulling force, and another spring receives guide plate 4's thrust. The spring is stressed and then reacts to the guide plate 4 to generate an opposite force which is transmitted to the guide plate 4 and the refrigerant. Partial pressure of the refrigerant is counteracted by the reaction force, the whole pressure pulsation is reduced, the pressure pulsation change of the system is controlled within a certain range, the energy of noise is reduced, the transmission to the indoor unit is reduced, and the noise elimination effect of the silencer is improved. Of course, the spring may be a rubber spring, a metal spring, or the like. A combination body is formed between the spring and the guide plate 4 through welding, the combination body is arranged inside the middle cylinder body 2, and the springs at the two ends are welded with the inner surface of the cylinder body after installation. At the moment, the middle cylinder body, the spring and the metal plate are combined into a whole.
For the two springs arranged on the guide plate 4, the stiffness of the two springs may be the same or different, and meanwhile, the length of the two springs may be the same or different. But when two springs with different lengths are welded with the deflector 4, the length of the springs is the same as that of the middle cylinder 2.
In another embodiment, the elastic member 5 is formed by a plurality of springs nested together. The elastic part 5 formed by sleeving a plurality of springs is beneficial to enhancing the elasticity of the two sides of the guide plate 4, the length can be adjusted conveniently, the system pressure can automatically adapt to the muffler and automatically adapt to and reduce the pressure of a system refrigerant, and the change of the system pressure is controlled within a certain range.
The guide plate 4 comprises a plate body 41 matched with the inner wall of the middle cylinder body 2 and at least one through hole 42 arranged on the plate body 41; the two elastic members 5 are respectively connected to both sides of the plate body 41. The plate 41 is a metal plate 41, and may be a stainless steel plate, a copper plate, or the like. The guide plate 4 is a circular guide plate 4, and is matched with the inner wall of the middle cylinder body 2 in the specific embodiment. Of course, the specific arrangement can be made according to the inner cavity shape of the middle cylinder body 2.
The guide plate 4 is provided with one or more through holes 42, so that the refrigerant can flow through the guide plate conveniently, and meanwhile, the metal plate body 41 is combined with the elastic piece 5, so that the guide plate can automatically adapt to and reduce the pressure of the refrigerant of the system. In the present embodiment, the plate body 41 has a plurality of through holes 42, and the through holes 42 may be arranged regularly or irregularly, so that the flow rate of the refrigerant passing through the through holes 42 can be increased.
Preferably, the spiral outer diameters of the springs arranged on the two sides of the guide plate 4 are the same as the diameter of the guide plate 4, one ends of the two springs are respectively welded on the two end faces of the guide plate 4, and the central line of the spring is superposed with the central line of the guide plate 4 after welding. Through setting up the spring like this, help the spring to paste closely with the inner wall of well barrel 2 mutually, be convenient for the fixed between the inner wall of spring and well barrel 2.
In the embodiment, the outer walls of the left end and the right end of the middle cylinder body are provided with external threads 6; the inner walls of the left barrel body 1 and the right barrel body 3 are provided with inner threads 7 correspondingly matched with the outer threads 6 at the left end and the right end of the middle barrel body; the left barrel body 1 or/and the right barrel body 3 are adjusted to move left and right relative to the middle barrel body 2 through connection of the external threads 6 and the corresponding internal threads 7. The left barrel body 1 or the right barrel body 3 can be independently adjusted to move left and right relative to the middle barrel body 2 by matching and connecting the external threads 6 with the corresponding internal threads 7; the left cylinder body 1 and the right cylinder body 3 can be adjusted to move left and right relative to the middle cylinder body 2; be convenient for satisfy needs, increase or reduce muffler barrel length to realize the length adjustment of the amortization chamber that left barrel 1, well barrel 2 and right barrel 3 three formed, made noise frequency take place the skew, it is the same with noise frequency to reach theoretical noise cancelling frequency, thereby make this muffler reach best noise cancelling effect and reach best noise cancelling effect, also help practicing thrift a large amount of time for the technician simultaneously, accelerate the solution of problem and promote the research and development progress.
Specifically, the middle cylinder 2, the left cylinder 1 and the right cylinder 3 are all cylindrical metal cylinders; on the outer wall of the middle cylinder 2, external threads 6 are respectively arranged from the two ends of the cylinder to the middle. After the thread is opened, the middle of the outer wall of the middle cylinder body 2 is left with an area without the thread; the unthreaded area has a length of 15mm to 25 mm. And the distance of the external screw thread 6 opened on the two sides of the middle cylinder body 2 is the same, and the length adjustment of the silencing cavity formed by the left cylinder body 1, the middle cylinder body 2 and the right cylinder body 3 is convenient to realize through the matching with the internal screw thread 7 of the left cylinder body 1 and the right cylinder body 3.
An air inlet communicating pipeline 10 is communicated with the air inlet 8; an air outlet communicating pipeline 11 is communicated with the air outlet 9. The air inlet 8 and the air outlet 9 are contraction ports formed by punching funnel shapes on one ends of the left barrel body 1 and the right barrel body 3 respectively through a punch; the inner diameter of the air inlet 8 is the same as the outer diameter of the air inlet communicating pipe 10; the inner diameter of the air outlet 9 is the same as the outer diameter of the air outlet communication pipe 11. The air inlet communicating pipe 10 and the air outlet communicating pipe 11 are welded with the corresponding air inlet 8 and the corresponding air outlet 9 to form a whole. The refrigerant entering length can be adjusted through the air inlet communicating pipeline 10 and the air outlet communicating pipeline 11, the system pressure can automatically adapt to the silencer to reduce noise, and then the refrigerant is discharged.
Further, a first nut 12 for reinforcing and fixing the left barrel 1 is sleeved on the outer wall of the middle barrel 2 in a matched manner; the outer wall of the middle barrel body 2 is sleeved with a second nut 13 used for reinforcing and fixing the right barrel body 3 in a matched mode. And sealing rings 14 which are matched and sleeved on the middle cylinder body 2 are arranged between the left cylinder body 1 and the first nut 12 and between the right cylinder body 3 and the second nut 13. Through rotating first nut 12 and second nut 13 respectively from the both ends of midbody to the most intermediate position, overlap on well barrel 2 with two sealing washer 14 respectively from the both ends of well barrel 2 to respectively next to first nut 12 and second nut 13, with left barrel 1, right barrel 3 difference erection joint at the both ends about barrel 2, adjust first nut 12 and second nut 13 and sealing washer 14 at both ends about, make well barrel 2, left barrel 1 and right barrel 3 constitute a complete whole, simple structure, the loading and unloading is simple and convenient, the leakproofness is good.
The positions of the left cylinder 1 and the right cylinder 3 relative to the middle cylinder 2 are adjusted according to requirements, and the total cylinder length of the silencer is confirmed; the theoretical silencing frequency of the silencer is the same as the frequency of noise, and the regulated silencer is welded in a pipeline system of an air conditioner external unit. Therefore, the length formed by connecting the left barrel 1, the middle barrel 2 and the right barrel 3 is L; the length is adjustable, and the system pressure can automatically adapt to the maximum noise frequency of the silencer to be fmax; the fmax and L satisfy the following relation:
where C is the speed of sound (m/s).
The length of the invention can be adjusted, and the system pressure can automatically adapt to the length adjustment of the cylinder body of the silencer through the formula, so that the target frequency of the silencer is the same as the noise frequency, and the silencer achieves the optimal silencing effect and achieves the optimal silencing effect.
The application also discloses an air conditioner, which comprises the silencer with adjustable length and automatically adaptive system pressure. Through setting up this adjustable length and the adaptive muffler of system pressure automatically on the air conditioner, can utilize left barrel 1 and right barrel 3 respectively with well barrel 2 about between the end the relation of being connected, realize the length adjustment of barrel, can increase or reduce muffler barrel length as required, with left barrel 1, well barrel 2 and right barrel 3 are as a barrel, thereby realize left barrel 1, the length adjustment of the amortization chamber that well barrel 2 and right barrel 3 three formed, make the noise frequency skew, it is the same with the noise frequency to reach theoretical noise frequency, thereby make this muffler reach best noise cancelling effect and reach best noise cancelling effect, also help practicing thrift a large amount of time for the technician simultaneously, accelerate the solution of problem and promote research and development progress. Meanwhile, the guide plate 4 is arranged in the middle cylinder body 2, the elastic pieces 5 are arranged on two sides of the guide plate 4, after the refrigerant passes through the guide plate 4, the guide plate 4 is under the pressure action of the refrigerant, and the elastic pieces 5 on two sides of the guide plate 4 are used for offsetting, so that the system refrigerant pressure can be automatically adapted and reduced, the system pressure change is controlled in a certain range, the energy of noise is reduced, the transmission to an indoor unit is reduced, and the silencing effect that the length can be adjusted and the system pressure can automatically adapt to the silencer is improved.
In addition, the length is adjustable, the system pressure can automatically adapt to the silencer, the types of the silencer can be greatly reduced, the mass production of the silencer is facilitated, the production and manufacturing cost is reduced, and the cost of the air conditioner is further reduced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. But length adjustment and system pressure self-adaptation muffler, including air inlet and the gas outlet that is linked together, its characterized in that still includes:
a middle cylinder body;
the left barrel is movably connected with the left end of the middle barrel in a sleeved mode and moves in a left-right adjusting mode relative to the middle barrel; the air inlet is positioned on the left cylinder body;
the right barrel is sleeved and movably connected with the right end of the middle barrel and is adjusted to move left and right relative to the middle barrel; the air outlet is positioned on the right barrel;
the guide plate is matched and arranged in the inner cavity of the middle cylinder body and is respectively communicated with the air inlet and the air outlet;
and the two elastic pieces are respectively connected with the two sides of the guide plate and the middle cylinder body.
2. The muffler with adjustable length and automatically adaptable system pressure according to claim 1, wherein the guide plate comprises a plate body matched with the inner wall of the middle cylinder body and at least one through hole arranged on the plate body; the two elastic pieces are respectively connected with two sides of the plate body.
3. The muffler with adjustable length and automatically adaptable system pressure according to claim 2, characterized in that the deflector is located at the middle position of the middle cylinder; the elastic piece is connected with the inner wall of the middle cylinder body.
4. The muffler with the adjustable length and the automatically adaptable system pressure as claimed in claim 1, wherein the outer walls of the left and right ends of the middle cylinder body are provided with external threads; the inner walls of the left barrel and the right barrel are provided with inner threads which are correspondingly matched with the outer threads at the left end and the right end of the middle barrel; the left cylinder body or/and the right cylinder body are adjusted to move left and right relative to the middle cylinder body through the connection of the external threads and the corresponding internal threads.
5. The muffler with adjustable length and automatically adaptable system pressure as claimed in claim 1, wherein the air inlet is communicated with an air inlet communicating pipe; an air outlet communicating pipeline is communicated with the air outlet.
6. The muffler with the adjustable length and the automatically adaptive system pressure as claimed in claim 4, wherein a first nut for reinforcing and fixing the left cylinder is fittingly sleeved on the outer wall of the middle cylinder; and a second nut used for reinforcing and fixing the right barrel is sleeved on the outer wall of the middle barrel in a matched manner.
7. The muffler with adjustable length and automatically adaptive system pressure as claimed in claim 6, wherein sealing rings are disposed between the left cylinder and the first nut and between the right cylinder and the second nut, and the sealing rings are disposed on the middle cylinder in a matching manner.
8. The length adjustable and system pressure automatically adaptable muffler of claim 1, wherein the elastic member is a spring.
9. The length adjustable, system pressure self-adapting muffler according to claim 1, wherein the elastic member is formed by a plurality of springs nested together.
10. Air conditioner, characterized in that it comprises a length-adjustable and system pressure-automatically adaptable muffler according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913996.8A CN110686398B (en) | 2019-09-25 | 2019-09-25 | Silencer with adjustable length and system pressure capable of being automatically adapted and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913996.8A CN110686398B (en) | 2019-09-25 | 2019-09-25 | Silencer with adjustable length and system pressure capable of being automatically adapted and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110686398A CN110686398A (en) | 2020-01-14 |
| CN110686398B true CN110686398B (en) | 2020-11-24 |
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| CN201910913996.8A Active CN110686398B (en) | 2019-09-25 | 2019-09-25 | Silencer with adjustable length and system pressure capable of being automatically adapted and air conditioner |
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| CN115031405B (en) * | 2022-06-27 | 2025-02-14 | Tcl空调器(中山)有限公司 | A pressure pulsation elimination device, elimination system and air conditioner |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030024266A (en) * | 2001-09-17 | 2003-03-26 | 주식회사 엘지이아이 | A muffler for the air-conditioner |
| CN2908799Y (en) * | 2006-02-16 | 2007-06-06 | 赵冲 | Two-way bumper |
| CN101289952B (en) * | 2008-06-03 | 2011-09-21 | 重庆大学 | Exhaust silencer with adjustable expansion cavity |
| CN102927675B (en) * | 2012-11-08 | 2015-11-18 | 青岛海信日立空调系统有限公司 | Exhaust muffling device for air-conditioner and noise reduction method |
| CN204900194U (en) * | 2015-07-16 | 2015-12-23 | 上海齐耀螺杆机械有限公司 | Anti formula muffler of adjustable cavity length |
| CN105569775B (en) * | 2016-03-07 | 2018-06-19 | 广州汽车集团股份有限公司 | Exhaust silencer and with its vehicle |
| CN108332406A (en) * | 2018-04-08 | 2018-07-27 | 珠海格力电器股份有限公司 | Silencing device and variable frequency air conditioner using same |
| CN108826647B (en) * | 2018-06-13 | 2019-10-01 | 珠海格力电器股份有限公司 | Silencer structure and air conditioner |
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