CN210373817U - Silencer, refrigerating system and air conditioner - Google Patents
Silencer, refrigerating system and air conditioner Download PDFInfo
- Publication number
- CN210373817U CN210373817U CN201921204827.9U CN201921204827U CN210373817U CN 210373817 U CN210373817 U CN 210373817U CN 201921204827 U CN201921204827 U CN 201921204827U CN 210373817 U CN210373817 U CN 210373817U
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- Prior art keywords
- refrigerant
- muffler
- shell
- silencer
- silencing
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- 230000003584 silencer Effects 0.000 title claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims abstract description 69
- 238000003780 insertion Methods 0.000 claims abstract description 45
- 230000037431 insertion Effects 0.000 claims abstract description 45
- 230000030279 gene silencing Effects 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims abstract 2
- 241001631457 Cannula Species 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000010725 compressor oil Substances 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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Abstract
The utility model provides a silencer, a refrigeration system and an air conditioner, wherein the silencer can be used for silencing a compressor, a shell comprises a refrigerant inlet and a refrigerant outlet, and a silencing cavity is arranged inside the shell; at least two insertion tubes are inserted in the shell; the uniform end of each of the at least two insertion tubes penetrates through the refrigerant inlet to be inserted into the silencing cavity, the other end of each insertion tube is exposed outside the shell and communicated with the refrigerant inflow tube, the refrigerant is introduced into each insertion tube through the refrigerant inflow tube, and the refrigerant flows into the silencing cavity through the at least two insertion tubes and flows out through the refrigerant outlet. The utility model provides a compressor noise transmit to the indoor side through the refrigerant and arouse the problem of transmission sound, the silence quality of indoor set is effectively promoted, has eliminated the frequency noise that the noise elimination volume is zero, sets up two piece at least intubate simultaneously at the refrigerant entry end, and the refrigerant exit end directly communicates the refrigerant pipe, and the sedimentary compressor oil of muffler bottom can directly flow in the refrigerant pipe, can't deposit in the muffler.
Description
Technical Field
The utility model belongs to the technical field of air conditioning, concretely relates to muffler, refrigerating system and air conditioner.
Background
The existing air conditioner silencer is used for solving the problem that compressor noise caused by refrigerant pulsation is transmitted to the indoor side through a refrigerant, a common silencer is a resistance silencer, the silencing principle is to perform silencing through a sound wave interference principle, and the two ends of the silencer are provided with frequency points with insertion pipe structures which can completely eliminate the silencing quantity to be zero. However, since both ends are inserted into the pipe structure, the compressor oil carried out from the refrigerant is deposited at the bottom end of the muffler. In order to solve the problem of oil accumulation in the silencing cavity, an oil return hole is usually formed in the insertion pipe, the oil accumulation at the bottom of the silencer can be solved through the design of the oil return hole, and the hole formed in the inner insertion pipe can affect the silencing performance of the insertion pipe, so that the insertion pipe fails.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is that the problem of the long-pending oil in muffler bottom can't effectively be solved to current insert tube formula muffler to a muffler, refrigerating system and air conditioner are provided.
In order to solve the above problem, the utility model provides a muffler for the amortization of compressor, include:
the shell comprises a refrigerant inlet and a refrigerant outlet, and a silencing cavity is arranged inside the shell;
the at least two insertion tubes are inserted in the shell;
the uniform end of each of the at least two insertion tubes penetrates through the refrigerant inlet to be inserted into the silencing cavity, the other end of each insertion tube is exposed outside the shell and communicated with the refrigerant inflow tube, the refrigerant is introduced into each insertion tube through the refrigerant inflow tube, and the refrigerant flows into the silencing cavity through the at least two insertion tubes and flows out through the refrigerant outlet.
Preferably, the refrigerant inflow pipe introduces an equal amount of refrigerant into the at least two insertion pipes.
Preferably, the at least two cannulae are exposed outside the housing to equal lengths.
Preferably, at least two cannulae are spaced apart within the cross-section of the sound-attenuating chamber.
Preferably, the at least two cannulae comprise a first cannula, a second cannula.
Preferably, the length of the sound attenuation cavity is L, and the length of the first cannula inserted into the sound attenuation cavity is L1The length of the second cannula inserted into the silencing cavity is L2Wherein L is1、L2Determined by the following formula (1):
in the above formula (1), TL denotes the sound deadening amount of the muffler, m denotes the muffler expansion ratio, and k is determined by the following formula (2):
in the above formula (2), f is the sound attenuation frequency, and c is the sound velocity in the muffler.
Preferably, m is determined by the following formula (3):
in the above formula (3), S1Cross-sectional area, S, of refrigerant inlet2The cross-sectional area of the muffling chamber is indicated.
Preferably, L1＝L/4，L2＝L/2。
Preferably, the refrigerant inflow pipe is provided with a three-way joint, and the first insertion pipe and the second insertion pipe are respectively communicated with different interfaces of the three-way joint.
A refrigerating system adopts the silencer.
An air conditioner adopts foretell muffler.
The utility model provides a muffler, refrigerating system and air conditioner have following beneficial effect at least:
the utility model discloses a silencer has solved the compressor noise and has transmitted the problem that arouses the transmission sound to the indoor side through the refrigerant, and the silence quality of indoor set is effectively promoted. The frequency noise with zero noise elimination amount is eliminated by arranging the inserting pipes in the silencer, at least two inserting pipes are arranged at the refrigerant inlet end at the same time, the refrigerant outlet end is directly communicated with the refrigerant pipe, and the compressor oil deposited at the bottom of the silencer can directly flow into the refrigerant pipe and cannot be deposited in the silencer.
Drawings
Fig. 1 is a schematic structural diagram of a muffler according to an embodiment of the present invention;
fig. 2 is a comparison of sound attenuation characteristics for different cannula configurations.
The reference numerals are represented as:
1. a housing; 2. a sound-deadening chamber; 3. a refrigerant inlet; 4. a refrigerant outlet; 5. a first cannula; 6. a second cannula; 7. a refrigerant inflow pipe; 8. a three-way joint.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a silencer for silencing a compressor includes: the air conditioner comprises a shell 1, wherein the shell 1 comprises a refrigerant inlet 3 and a refrigerant outlet 4, and a silencing cavity 2 is arranged inside the shell 1; the at least two insertion tubes are inserted in the shell 1; the uniform end of each of the at least two insertion tubes penetrates through the refrigerant inlet 3 to be inserted into the silencing cavity 2, the other end of each insertion tube is exposed outside the shell 1 and communicated with the refrigerant inflow pipe 7, the refrigerant inflow pipe 7 leads the refrigerant into each insertion tube, and the refrigerant flows into the silencing cavity 2 through the at least two insertion tubes and flows out through the refrigerant outlet 4.
The silencer of this embodiment has solved the compressor noise and has transmitted the problem that arouses the transmission sound to the indoor side through the refrigerant, and the silence quality of indoor set is effectively promoted. The frequency noise with zero noise elimination amount is eliminated by arranging the inserting pipes in the silencer, at least two inserting pipes are arranged at the refrigerant inlet end at the same time, the refrigerant outlet end is directly communicated with the refrigerant pipe, and the compressor oil deposited at the bottom of the silencer can directly flow into the refrigerant pipe and cannot be deposited in the silencer.
In this embodiment, in order to ensure that noise between the insertion tubes interferes, the refrigerant inflow tube 7 introduces the same amount of refrigerant into at least two insertion tubes. The lengths of at least two insertion tubes exposed outside the shell 1 are equal, so that the refrigerant flows into different insertion tubes from the refrigerant inflow tube 7 and then reaches the sound attenuation cavity 2 through the same stroke. At least two cannulas are arranged in the cross section of the silencing cavity 2 at intervals to achieve the best silencing effect.
In this embodiment, there is a relationship between the length of the insertion tube inserted into the sound-deadening chamber 2 and the sound-deadening characteristic, and the insertion length of the insertion tube can be selected reasonably according to the parameters such as the sound-deadening volume TL, so as to achieve the best sound-deadening effect. When the at least two cannulae comprise a first cannula 5 and a second cannula 6, the length of the sound attenuation cavity 2 is L, and the length of the first cannula 5 inserted into the sound attenuation cavity 2 is L1The second cannula 6 is inserted into the sound-deadening chamber 2 for a length L2Wherein L is1、L2Determined by the following formula (1):
in the above formula (1), TL denotes the sound deadening amount of the muffler, m denotes the muffler expansion ratio, and k is determined by the following formula (2):
in the above formula (2), f is the sound attenuation frequency, and c is the sound velocity in the muffler.
m is determined by the following formula (3):
in the above formula (3), S1Cross-sectional area, S, of refrigerant inlet2The cross-sectional area of the muffling chamber is indicated.
Calculated by the above formula, when two insertion tubes are used, the optimal lengths of the first insertion tube 5 and the second insertion tube 6 are 1/2 and 1/4, L, of the total length of the sound-deadening chamber 2, respectively1＝L/4，L2＝L/2。
In this embodiment, in order to realize that the flow rates of the two inlets of the muffler are equal, the refrigerant inflow pipe 7 is provided with a three-way joint 8, the first insertion pipe 5 and the second insertion pipe 6 are respectively communicated with different interfaces of the three-way joint, and the refrigerant is uniformly distributed to the first insertion pipe 5 and the second insertion pipe 6 through the refrigerant inflow pipe 7 via the three-way joint 8.
Fig. 2 shows the sound damping performance curves of different cannula structures, wherein the c-curve is the silencer of the present embodiment, and almost no 0 point appears over the entire frequency band. a curve is a silencer without a cannula structure, and a plurality of 0 points appear on a silencing performance curve; the curve b is that single intubate is established to amortization chamber one end, and the curve d is that single intubate is established respectively to amortization chamber both ends, and two kinds of structures of back all appear 0 points about the amortization frequency reaches 4000 Hz. The silencer of the embodiment is superior to the other three structures in silencing performance.
The muffler of this embodiment is used for the amortization of compressor, can effectively eliminate the transmission sound of compressor, improves the use of air conditioner and experiences.
A refrigerating system adopts the silencer.
An air conditioner adopts foretell muffler.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A muffler for muffling a compressor, comprising:
the air conditioner comprises a shell (1), wherein the shell (1) comprises a refrigerant inlet (3) and a refrigerant outlet (4), and a silencing cavity (2) is arranged in the shell (1);
at least two insertion pipes, wherein the at least two insertion pipes are inserted into the shell (1);
the uniform end of each of the at least two insertion tubes penetrates through the refrigerant inlet (3) to be inserted into the sound attenuation cavity (2), the other end of each insertion tube is exposed outside the shell (1) and communicated with a refrigerant inflow pipe (7), the refrigerant inflow pipe (7) leads refrigerant into each insertion tube, and the refrigerant flows into the sound attenuation cavity (2) through the at least two insertion tubes and flows out through the refrigerant outlet (4).
2. A silencer according to claim 1, characterized in that the refrigerant inflow pipe (7) feeds an equal amount of refrigerant into the at least two spigots.
3. A silencer according to claim 1, characterized in that the lengths of the at least two cannulae exposed outside the housing (1) are equal.
4. A silencer according to claim 1, characterized in that the at least two cannulas are spaced apart in the cross-section of the silencing chamber (2).
5. A silencer according to any of claims 1-4, characterized in that the at least two cannulae comprise a first cannula (5), a second cannula (6).
6. A silencer according to claim 5, characterized in that the length of the silencing chamber (2) is L, and the length of the insertion of the first cannula (5) into the silencing chamber (2) is L1The length of the second cannula (6) inserted into the silencing cavity (2) is L2Wherein L is1、L2Determined by the following formula (1):
in the above formula (1), TL denotes the sound deadening amount of the muffler, m denotes the muffler expansion ratio, and k is determined by the following formula (2):
in the above formula (2), f is the sound attenuation frequency, and c is the sound velocity in the muffler.
7. The muffler of claim 6, wherein m is determined by the following equation (3):
in the above formula (3), S1Represents the cross-sectional area, S, of the refrigerant inlet (3)2Represents the cross-sectional area of the sound-deadening chamber (2).
8. The muffler of claim 6, wherein L1＝L/4，L2＝L/2。
9. The muffler according to claim 5, wherein the refrigerant inflow pipe (7) is provided with a three-way joint (8), and the first and second insertion pipes (5, 6) are respectively communicated with different ports of the three-way joint (8).
10. A refrigeration system, characterized in that a silencer according to any of claims 1-9 is used.
11. An air conditioner characterized by using the silencer according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204827.9U CN210373817U (en) | 2019-07-29 | 2019-07-29 | Silencer, refrigerating system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204827.9U CN210373817U (en) | 2019-07-29 | 2019-07-29 | Silencer, refrigerating system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210373817U true CN210373817U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921204827.9U Active CN210373817U (en) | 2019-07-29 | 2019-07-29 | Silencer, refrigerating system and air conditioner |
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| Country | Link |
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| CN (1) | CN210373817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285496A (en) * | 2019-07-29 | 2019-09-27 | 珠海格力电器股份有限公司 | Silencer, refrigerating system and air conditioner |
-
2019
- 2019-07-29 CN CN201921204827.9U patent/CN210373817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285496A (en) * | 2019-07-29 | 2019-09-27 | 珠海格力电器股份有限公司 | Silencer, refrigerating system and air conditioner |
| CN110285496B (en) * | 2019-07-29 | 2023-11-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Muffler, refrigerating system and air conditioner |
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