CN215892740U - Air conditioner noise reduction device and air conditioner - Google Patents
Air conditioner noise reduction device and air conditioner Download PDFInfo
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- CN215892740U CN215892740U CN202121043745.8U CN202121043745U CN215892740U CN 215892740 U CN215892740 U CN 215892740U CN 202121043745 U CN202121043745 U CN 202121043745U CN 215892740 U CN215892740 U CN 215892740U
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- 239000003507 refrigerant Substances 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 230000030279 gene silencing Effects 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims description 33
- 230000003584 silencer Effects 0.000 claims description 32
- 230000000694 effects Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
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Abstract
The utility model provides an air conditioner noise reduction device and an air conditioner, belongs to the technical field of air conditioners, and aims to solve the problem of reducing the noise of a refrigerant generated during the operation of the air conditioner; wherein the muffler assembly is in communication with the throttle device; the liquid separating assembly is arranged between the silencing assembly and the indoor heat exchanger and can divide the refrigerant flowing into the liquid separating assembly into multiple paths. The application provides a device and air conditioner of making an uproar fall in air conditioner, amortization subassembly can fall the processing of making an uproar to the refrigerant that flows into it in advance, gets into after the refrigerant flows amortization subassembly and divides into the liquid subassembly by dividing the liquid subassembly with the refrigerant again, with the velocity of flow and the pressure that reduces the refrigerant to further reach the purpose of making an uproar, with promotion user experience.
Description
Technical Field
The utility model belongs to the technical field of air conditioners, and particularly relates to an air conditioner noise reduction device and an air conditioner.
Background
With the development of society, people have higher and higher requirements on the comfort of air conditioners, and especially, the noise generated during the operation of the air conditioners becomes a focus of attention.
When the existing air conditioner operates in a refrigeration mode, the rotating speed of a compressor is different according to different indoor and outdoor working conditions, and the temperature of a refrigerant flowing out after the refrigerant flows through an outdoor heat exchanger for cooling is different. When the cooling degree of the refrigerant is too low, the refrigerant flows out of the outdoor heat exchanger and is a gas-liquid two-phase refrigerant. After the gas-liquid two-phase refrigerant enters the electronic expansion valve through the pipeline, the electronic expansion valve vibrates due to the flow velocity difference between the liquid refrigerant and the gas refrigerant, so that refrigerant noise is generated at the electronic expansion valve, and the refrigerant noise can be transmitted to the indoor space along with a refrigerant transmission path, thereby influencing the user experience.
Accordingly, there is a need in the art for an air conditioner noise reduction device that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, this application provides a device and air conditioner of making an uproar falls in air conditioner, and it can reduce the refrigerant noise that produces when the air conditioner moves, promotes user experience.
In a first aspect, the air conditioner noise reduction device provided by the application is arranged between a throttling device and an indoor heat exchanger, and comprises a silencing assembly and a liquid separating assembly;
wherein the muffler assembly is in communication with the throttle device; the liquid separating assembly is arranged between the silencing assembly and the indoor heat exchanger and can divide the refrigerant flowing into the liquid separating assembly into multiple paths.
In the above preferred embodiment, the noise reduction assembly includes a noise reducer; or the muffler assembly may comprise a plurality of mufflers arranged in series.
In the above preferred technical solution, the liquid separation assembly includes a pipe connection member for separating a refrigerant;
the pipeline connecting piece is an N-shaped through pipe, wherein N is a positive integer larger than or equal to 3.
In the above preferred technical solution, a first pipeline is arranged between the pipe connection piece and the muffler close to the pipe connection piece;
one end of the first pipeline is communicated with the silencer close to the first pipeline, and the other end of the first pipeline is communicated with an inlet of the pipeline connecting piece;
a plurality of second pipelines are arranged between the pipeline connecting piece and the indoor heat exchanger, and outlets of the pipeline connecting piece are respectively communicated with the plurality of second pipelines.
In the above preferred technical solution, the liquid separation assembly includes a liquid separation head disposed between the pipe connection member and the indoor heat exchanger;
a plurality of third pipelines are arranged between the liquid separation head and the indoor heat exchanger;
and the inlets of the liquid separation heads are respectively communicated with the plurality of second pipelines, and the outlets of the liquid separation heads are respectively communicated with the third pipelines.
In the above preferred technical solution, the number of outlets of the liquid separation head is an even number times of the number of inlets thereof.
In the above preferred technical solution, the sectional area of the first pipeline is equal to the sum of the sectional areas of the second pipelines; the sum of the sectional areas of the second pipelines is equal to the sum of the sectional areas of the third pipelines.
In the above preferred technical solution, each of the silencers includes a silencer cylinder, an inlet pipe and an outlet pipe;
the air inlet pipe and the air outlet pipe are respectively arranged at two ends of the silencing barrel along the axial direction of the silencing barrel.
In the above preferred embodiment, the expansion ratio of the silencer ranges from 1 to 3;
the silencing barrel is of a cylindrical structure, and the total length of the silencer is 3-5 times of the diameter of the silencing barrel.
In a second aspect, the present application provides an air conditioner comprising the noise reduction device of the first aspect.
Compared with the prior art, the air conditioner noise reduction device and the air conditioner have the following advantages;
the application provides a device and air conditioner of making an uproar falls in air conditioner, wherein, the device of making an uproar falls in the air conditioner sets up between throttling arrangement and indoor heat exchanger, and throttling arrangement can electronic expansion valve, and electronic expansion valve department produces the refrigerant noise. The air conditioner noise reduction device is arranged on a transmission path of refrigerant noise, the air conditioner noise reduction device comprises a silencing assembly and a liquid separating assembly, the silencing assembly can perform noise reduction treatment on a refrigerant flowing into the air conditioner noise reduction device in advance, the refrigerant flows out of the silencing assembly and then enters the liquid separating assembly, and the refrigerant is divided into multiple paths through the liquid separating assembly so as to reduce the flow speed and pressure of the refrigerant, so that the purpose of noise reduction is further achieved, and user experience is improved.
Moreover, the liquid separating assembly divides the refrigerant into multiple paths, so that the liquid refrigerant and the gaseous refrigerant can be mixed more uniformly, and the heat exchange efficiency of the refrigerant and the indoor heat exchanger can be improved.
Drawings
Fig. 1 is a front view of an air conditioner noise reduction device provided in an embodiment of the present application;
fig. 2 is a top view of an air conditioner noise reduction device according to an embodiment of the present application.
Description of reference numerals:
10-a first muffler; 20-a second muffler;
30-a first conduit; 40-three-way pipe;
50-a second conduit; 60-liquid separation head;
70-third line.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The air conditioner provided by the embodiment of the application comprises a compressor, an outdoor heat exchanger, a throttling device and an indoor heat exchanger which are sequentially connected, wherein the throttling device can be an electronic expansion valve. When the air conditioner is in the mode of refrigeration, the refrigerant that flows out from the compressor firstly passes through the heat exchange of outdoor heat exchanger, flows into electronic expansion valve and steps down, and the refrigerant produces the refrigerant noise in electronic expansion valve department to the refrigerant noise can be towards indoor heat exchanger transmission along the transmission path of refrigerant, thereby the user suffers the noise and invades, influences the travelling comfort, reduces user experience.
Therefore, the noise reduction device is arranged on the noise transmission path and can be arranged between the electronic expansion valve and the indoor heat exchanger and used for reducing noise of the refrigerant, intrusion of the refrigerant noise to a user is reduced, and user experience is improved.
As shown in fig. 1 and fig. 2, the noise reduction device provided by the embodiment of the present application includes a flow dividing assembly and a sound attenuation assembly; the shunt assembly is positioned on one side of the silencing assembly, which is far away from the electronic expansion valve; namely, when the air conditioner is in a refrigeration mode, along the direction of refrigerant transmission, the silencing assembly and the shunting assembly are sequentially arranged between the electronic expansion valve and the indoor heat exchanger, so that the refrigerant flowing out of the electronic expansion valve is subjected to noise reduction treatment by the silencing assembly, and then is subjected to shunting and noise reduction by the shunting assembly, and the noise reduction effect on the noise of the refrigerant can be improved.
In particular, the acoustic abatement assembly comprises an acoustic abatement, which may be an intumescent acoustic abatement; the silencer comprises a silencing barrel, an air inlet pipe and an air outlet pipe, wherein the silencing barrel is of a cylindrical structure, and the air inlet pipe and the air outlet pipe are round pipes. Along the axial direction of the silencing barrel, the air inlet pipe and the air outlet pipe are respectively arranged at two ends of the silencing barrel and are communicated with the silencing barrel. It can be understood that the air inlet pipe, the air outlet pipe and the silencing barrel are of an integral structure, the pipe diameter of the air inlet pipe and the pipe diameter of the air outlet pipe can be the same, and the barrel diameter of the silencing barrel is larger than that of the air inlet pipe, so that the expansion type silencer is formed.
In the embodiment of the application, for improving the noise reduction effect of the noise reduction device on the refrigerant noise, the silencing component can comprise a silencer or a plurality of silencers. If the silencing component comprises a silencer, the air inlet pipe of the silencer is communicated with the electronic expansion valve, and the air outlet pipe of the silencer is communicated with the flow dividing component.
If the silencing assembly comprises a plurality of silencers, the silencers are continuously arranged between the electronic expansion valve and the flow dividing assembly, and the silencers are connected together in series. The present embodiment is described by taking an example in which the muffler assembly includes two mufflers arranged in series.
Referring to fig. 1 and 2, two silencers are respectively defined as a first silencer 10 and a second silencer 20, wherein the first silencer 10 is disposed near an electronic expansion valve, an air inlet pipe of the first silencer 10 is communicated with the electronic expansion valve through a pipeline, and the second silencer 20 is disposed near a liquid separating assembly and is communicated with the liquid separating assembly; the air outlet pipe of the first silencer 10 is communicated with the air inlet pipe of the second silencer 20, and the air outlet pipe of the second silencer 20 is communicated with the flow dividing assembly; that is, the first muffler 10 and the second muffler 20, which are disposed in series, are disposed between the electronic expansion valve and the flow dividing assembly.
In this embodiment, after the refrigerant flowing out of the electronic expansion valve enters the first muffler 10 and the second muffler 20, the flow speed and pressure of the refrigerant are reduced, so that the flow velocity difference between the gaseous refrigerant and the liquid refrigerant is reduced, the vibration of the pipe wall caused by the refrigerant is reduced, the noise generated by the vibration is reduced, and the muffler can perform primary noise reduction on the refrigerant.
The liquid separating component can divide the refrigerant flowing into the liquid separating component into a plurality of paths. The flow speed and the flow pressure of the divided refrigerant are further reduced, and the vibration caused by the flow speed difference of the gaseous refrigerant and the liquid refrigerant can be reduced, so that the noise of the refrigerant is further reduced, and the user experience is improved.
Further, the reposition of redundant personnel subassembly not only has the above-mentioned function that reduces the refrigerant noise, but also can make gaseous state refrigerant and liquid refrigerant misce bene, promotes refrigerant and indoor heat exchanger's heat exchange efficiency to promote refrigeration effect, and then promote user experience.
On the basis of the above embodiment, the liquid separation assembly includes a pipe connection member for separating the refrigerant, and the pipe connection member is an N-way pipe, where N is a positive integer greater than or equal to 3.
Specifically, the liquid separating assembly comprises a pipeline connecting piece, the pipeline connecting piece is used for changing one path of refrigerant into multiple paths of refrigerants, the pipeline connecting piece can be an N-way pipe, and N is a positive integer greater than or equal to 3; the pipeline connecting piece comprises an inlet and N-1 outlets, wherein the inlet of the pipeline connecting piece is communicated with an air outlet pipe of the silencer close to the inlet of the pipeline connecting piece, and the outlet of the pipeline connecting piece divides the refrigerant entering the pipeline connecting piece into multiple paths.
Illustratively, the second muffler 20 is disposed adjacent to a pipe connection, the first pipe 30 is disposed between the pipe connection and the second muffler 20, and a plurality of second pipes 50 are disposed between the pipe connection and the indoor heat exchanger. For example, the pipe connector may be a tee pipe 40, an inlet of the tee pipe 40 is communicated with the air outlet pipe of the second muffler 20 through the first pipe 30, two outlets of the tee pipe 40 are respectively communicated with two second pipes 50, and the second pipes 50 may transmit the refrigerant to the indoor heat exchanger.
With such an arrangement, the refrigerant flowing out of the outlet pipe of the second muffler 20 flows into the three-way pipe 40 through the first pipeline 30, and the three-way pipe 40 can divide the refrigerant into two second pipelines 50; that is, the three-way pipe 40 can divide one refrigerant into two refrigerants, so that the flowing speed and pressure of the refrigerant in the second pipeline 50 can be reduced, and the noise of the refrigerant can be reduced. It can be understood that the lengths and the pipe diameters of the two second pipelines 50 are the same, so that the refrigerant is uniformly distributed, and the noise reduction effect can be further improved.
On the basis of the above embodiments, the liquid separation assembly provided by this embodiment not only includes the pipe connection member, but also includes the liquid separation head 60. The liquid separation head 60 is arranged between the pipeline connecting piece and the indoor heat exchanger, namely, after the refrigerant flows out of the second silencer 20, the refrigerant can be sequentially shunted through the pipeline connecting piece, then enters the liquid separation head 60 to be scattered, mixed and shunted, and then flows to the indoor heat exchanger to carry out heat exchange.
With the arrangement, the refrigerant is scattered, mixed and divided once when passing through the pipeline connecting piece, so that the flowing speed and pressure of the refrigerant can be reduced, and the liquid refrigerant and the gaseous refrigerant can be uniformly mixed; then the liquid separation head 60 is used for secondary scattering, mixing and re-flow separation; the flow speed and pressure of the refrigerant can be further reduced, the mixing uniformity of the liquid refrigerant and the gaseous refrigerant can be improved, and the noise reduction effect can be improved.
Specifically, a plurality of third pipelines 70 are disposed between the liquid separation head 60 and the indoor heat exchanger, and the liquid separation head 60 is provided with a plurality of inlets, and the number of inlets corresponds to the number of second pipelines 50. Each inlet of the liquid-separation head 60 communicates with the pipe connection through the second pipe 50. The liquid separation head 60 is provided with a plurality of outlets, the number of the outlets of the liquid separation head corresponds to the number of the third pipelines 70, and the outlet of each liquid separation head 60 is communicated with the indoor heat exchanger through the third pipeline 70.
The present embodiment provides that the number of outlets of the liquid-dividing head 60 is an even multiple of the number of inlets thereof, i.e. the number of third lines 70 is an even multiple of the number of second lines 50. Illustratively, the pipe connection is a tee 40 to which two second pipes 50 are connected, and the liquid separation head 60 may be a four-hole venturi liquid separation head, i.e., the number of the third pipes 70 may be 4.
Because the noise reduction device comprises the three-way pipe 40 and the four-hole Venturi liquid separation head, the refrigerant flowing out of the electronic expansion valve passes through the three-way pipe 40 and is divided into two paths of refrigerants by one path of refrigerant; the divided refrigerant enters the liquid dividing head 60, and the two paths of refrigerant are scattered and mixed in the liquid dividing head 60 and then divided into four paths of refrigerant. By the arrangement, the refrigerant can be scattered, mixed and distributed twice, and the purposes of reducing the noise of the refrigerant and mixing the liquid refrigerant and the gaseous refrigerant more uniformly are achieved.
Further, in order to improve the uniformity of the liquid refrigerant and the gaseous refrigerant, in this embodiment, the sectional area and the length of each second pipeline 50 are the same, and the sectional area and the length of each third pipeline 70 are the same; the cross-sectional area of the first conduit 30 is equal to the sum of the cross-sectional areas of the second conduits 50, and the sum of the cross-sectional areas of the second conduits 50 is equal to the sum of the cross-sectional areas of the third conduits 70.
For example, the pipe connector is a three-way pipe 40, the liquid separation head 60 is a four-hole venturi liquid separation head, that is, the noise reduction device comprises a first pipeline 30, two second pipelines 50 and four third pipelines 70, wherein the cross-sectional area of the first pipeline 30 is S1The second pipeline 50 has a sectional area S2The third pipeline 70 has a sectional area S3Then S is1＝2S2＝4S3. By the arrangement, after the refrigerant is divided, the liquid refrigerant and the gaseous refrigerant can be uniformly mixed, the speed difference between the liquid refrigerant and the gaseous refrigerant is reduced, and the noise of the refrigerant is further reduced.
The expansion ratio of the silencer in this embodiment may range from 1 to 3, each silencer having a length 3 to 5 times the diameter of its silencer cylinder.
Specifically, the expansion ratio of the silencer is the ratio of the sectional area of the silencing cylinder to the sectional area of the air inlet pipe, and is also equal to the ratio of the diameter of the silencing cylinder to the diameter of the air inlet pipe. The expansion ratio of the silencer of the embodiment is equal to 2, and good noise reduction effect can be achieved. The expansion ratio of the muffler may be set according to actual noise reduction requirements, for example, by referring to the operating frequency of the compressor, the refrigerant cooling degree, and the like.
The length of each silencer along the axial direction comprises the length of a silencing barrel, the length of an air inlet pipe and the length of an air outlet pipe, and the total length of the silencer in the embodiment is equal to 4 times of the length of the silencing barrel. Preferably, the length of the air inlet pipe is equal to that of the air outlet pipe, namely the length of each air inlet pipe and each air outlet pipe can be 1.5 times that of the silencing pot; thereby achieving good noise reduction effect.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (10)
1. The air conditioner noise reduction device is arranged between a throttling device and an indoor heat exchanger and is characterized by comprising a silencing assembly and a liquid separating assembly;
wherein the muffler assembly is in communication with the throttle device;
the liquid separating assembly is arranged between the silencing assembly and the indoor heat exchanger and can divide the refrigerant flowing into the liquid separating assembly into multiple paths.
2. An air conditioner noise reduction unit according to claim 1, wherein said noise reduction assembly includes a muffler; or
The muffler assembly includes a plurality of mufflers arranged in series.
3. The noise reduction device of an air conditioner according to claim 2, wherein the liquid separation assembly comprises a pipeline connecting piece for separating the refrigerant;
the pipeline connecting piece is an N-shaped through pipe, wherein N is a positive integer larger than or equal to 3.
4. An air conditioner noise reduction device according to claim 3, wherein a first pipeline is arranged between the pipeline connecting piece and the silencer close to the pipeline connecting piece;
one end of the first pipeline is communicated with the silencer close to the first pipeline, and the other end of the first pipeline is communicated with an inlet of the pipeline connecting piece;
a plurality of second pipelines are arranged between the pipeline connecting piece and the indoor heat exchanger, and outlets of the pipeline connecting piece are respectively communicated with the plurality of second pipelines.
5. The air conditioner noise reduction device of claim 4, wherein the liquid separation assembly comprises a liquid separation head disposed between the pipe connection and the indoor heat exchanger;
a plurality of third pipelines are arranged between the liquid separation head and the indoor heat exchanger;
and the inlets of the liquid separation heads are respectively communicated with the plurality of second pipelines, and the outlets of the liquid separation heads are respectively communicated with the third pipelines.
6. An air conditioner noise reduction device according to claim 5, wherein the number of outlets of the liquid separation head is an even multiple of the number of inlets thereof.
7. An air conditioner noise reduction device according to claim 6, wherein the cross-sectional area of the first pipe line is equal to the sum of the cross-sectional areas of the second pipe lines;
the sum of the sectional areas of the second pipelines is equal to the sum of the sectional areas of the third pipelines.
8. An air conditioner noise reduction device according to any one of claims 2 to 7, wherein each of the silencers comprises a silencer barrel, an inlet pipe and an outlet pipe;
the air inlet pipe and the air outlet pipe are respectively arranged at two ends of the silencing barrel along the axial direction of the silencing barrel.
9. An air conditioner noise reduction device according to claim 8, wherein the expansion ratio of the silencer ranges from 1 to 3;
the silencing barrel is of a cylindrical structure, and the total length of the silencer is 3-5 times of the diameter of the silencing barrel.
10. An air conditioner characterized by comprising the noise reduction device of the air conditioner of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043745.8U CN215892740U (en) | 2021-05-14 | 2021-05-14 | Air conditioner noise reduction device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043745.8U CN215892740U (en) | 2021-05-14 | 2021-05-14 | Air conditioner noise reduction device and air conditioner |
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| Publication Number | Publication Date |
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| CN215892740U true CN215892740U (en) | 2022-02-22 |
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| CN202121043745.8U Active CN215892740U (en) | 2021-05-14 | 2021-05-14 | Air conditioner noise reduction device and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704914A (en) * | 2022-03-29 | 2022-07-05 | 青岛海尔空调器有限总公司 | Control method and device for noise reduction of air conditioner |
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2021
- 2021-05-14 CN CN202121043745.8U patent/CN215892740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704914A (en) * | 2022-03-29 | 2022-07-05 | 青岛海尔空调器有限总公司 | Control method and device for noise reduction of air conditioner |
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