CN218093369U - Compressor and air conditioner - Google Patents
Compressor and air conditioner Download PDFInfo
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- CN218093369U CN218093369U CN202222428631.6U CN202222428631U CN218093369U CN 218093369 U CN218093369 U CN 218093369U CN 202222428631 U CN202222428631 U CN 202222428631U CN 218093369 U CN218093369 U CN 218093369U
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- inner cylinder
- cylinder
- storage cylinder
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- 239000007788 liquid Substances 0.000 claims abstract description 64
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims description 40
- 238000007789 sealing Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a compressor and air conditioner, wherein, the compressor includes compressor main part and reservoir, the compressor main part includes the casing and installs in the compression pump body in the casing, the reservoir includes the liquid storage cylinder and installs in the inner tube in the liquid storage cylinder, the liquid storage cylinder is installed in the casing, and lie in the axial of casing, the liquid storage cylinder is equipped with the chamber wall towards one side of casing, the inner tube with the chamber wall interval sets up; the utility model discloses technical scheme has improved the efficiency of compressor.
Description
Technical Field
The utility model relates to an air conditioning technology field, in particular to compressor and air conditioner.
Background
The compressor is used for compressing the refrigerant in air conditioning system, and has great area of contact between current compression main part and the reservoir to make the inside refrigerant of reservoir absorb the heat that the compressor main part gived off more easily, and then lead to the temperature to rise, thereby reduce the compression efficiency of compressor, and then reduce the efficiency of compressor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a compressor aims at improving the efficiency of compressor.
In order to achieve the above object, the present invention provides a compressor, including:
the compressor comprises a compressor main body, a compressor pump body and a compressor pump body, wherein the compressor main body comprises a shell and the compressor pump body arranged in the shell; and
the liquid storage device comprises a liquid storage cylinder and an inner cylinder arranged in the liquid storage cylinder, the liquid storage cylinder is arranged in the shell and is positioned in the axial direction of the shell, a cavity wall is arranged on one side, facing the shell, of the liquid storage cylinder, and the inner cylinder and the cavity wall are arranged at intervals.
Optionally, the minimum distance between the cavity wall and the inner cylinder is H1, and the maximum distance is H2, wherein 4.5 ≦ (0.5 ≦ H2+ H1) ≦ 10.5.
Optionally, the accumulator is located below the compressor body.
Optionally, the cavity wall is an upper cover, a lower cover is further installed on one side, away from the shell, of the liquid storage cylinder, a first opening is formed in the upper end of the liquid storage cylinder, a second opening is formed in the lower end of the liquid storage cylinder, the upper cover is connected to the first opening in a sealing mode, and the lower cover is connected to the second opening in a sealing mode.
Optionally, the compressor further includes an air return pipe, the compression pump body includes an air cylinder, the liquid storage cylinder and the inner cylinder are respectively provided with a first air return port and a second air return port, the air cylinder is provided with a third air return port, and the air return pipe passes through the first air return port, the second air return port and the third air return port, so that the refrigerant in the inner cylinder flows into the air cylinder.
Optionally, the compressor further comprises an air suction pipe, the liquid storage cylinder and the inner cylinder are respectively provided with a first air suction port and a second air suction port, one end of the air suction pipe sequentially penetrates through the first air suction port and the second air suction port to be communicated with the inner cylinder, and the other end of the air suction pipe is used for being connected with an external system to absorb a refrigerant.
Optionally, the air return pipe is arranged in a sealing manner with the first air return port, and the air suction pipe is arranged in a sealing manner with the first air suction port.
Optionally, the diameter of the second air return opening is larger than that of the air return pipe, so that the inner cylinder is communicated with the liquid storage cylinder; and/or the diameter of the second air suction port is larger than that of the air suction pipe, so that the inner cylinder is communicated with the liquid storage cylinder.
Optionally, the inner cylinder is in a circular truncated cone shape, an included angle between the side surface of the inner cylinder and the side wall of the liquid storage cylinder adjacent to the side surface of the inner cylinder is G, wherein G is greater than or equal to 1 degree and less than or equal to 20 degrees.
The utility model discloses still provide an air conditioner, include as above the compressor.
The utility model discloses technical scheme is through installing the reservoir in the axial of compressor main part upwards to the radial dimension of compressor has been shortened, be favorable to the miniaturization of compressor, and further, set up inner tube and chamber wall interval, thereby make to be formed with thermal-insulated chamber between inner tube and the casing, thereby reduced the inside refrigerant of inner tube and absorbed the heat that the compressor main part gived off, and then reduced the influence of compressor main part to the inner tube, thereby improve the compression efficiency of compressor, and then improve the efficiency of compressor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a sectional view of an embodiment of the compressor of the present invention;
fig. 2 is a sectional view of the accumulator according to an embodiment of the present invention;
fig. 3 is a sectional view of an inner cylinder in an embodiment of the compressor of the present invention;
fig. 4 is a graph of linear relationship between the inner tube height (0.5 × h2+ h 1) and the compressor energy efficiency of the rotary compressor according to the embodiment of the present invention;
fig. 5 is a graph showing the linear relationship between the inner cylinder height (0.5 + h2+ h 1) and the vibration of the compressor in the case of the rotary compressor according to the embodiment of the present invention;
fig. 6 is a graph of the linear relationship between the side wall height of the accumulator of the rotary compressor according to an embodiment of the present invention (0.5 + h2+ h 1) and the energy efficiency of the compressor;
fig. 7 is a linear relationship diagram of the angle G between the side surface of the inner cylinder of the rotary compressor and the side wall of the liquid reservoir and the energy efficiency of the compressor according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 11 | |
213 | First |
| 12 | |
214 | |
| 13 | |
22 | |
| 20 | |
221 | Second |
| 21 | |
222 | |
| 211 | |
31 | |
| 212 | |
32 | Air suction pipe |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a compressor, including:
a compressor body including a housing 11 and a compression pump body 12 installed in the housing 11; and
the liquid storage device 20 comprises a liquid storage cylinder 21 and an inner cylinder 22 installed in the liquid storage cylinder 21, the liquid storage cylinder 21 is installed in the shell 11 and located in the axial direction of the shell 11, a cavity wall is arranged on one side, facing the shell 11, of the liquid storage cylinder 21, and the inner cylinder 22 and the cavity wall are arranged at intervals.
The utility model discloses technical scheme is through installing reservoir 20 in the axial of compressor main part upwards, thereby the radial dimension of compressor has been shortened, be favorable to the miniaturization of compressor, furthermore, set up inner tube 22 and chamber wall interval, thereby make to be formed with thermal-insulated chamber between inner tube 22 and the casing 11, thereby the heat that the inside refrigerant of inner tube 22 absorbed the compressor main part and gived off has been reduced, and then the influence of compressor main part to inner tube 22 is reduced, thereby improve the compression efficiency of compressor, and then improve the efficiency of compressor.
Referring to FIG. 2, preferably, the minimum distance between the chamber wall and the inner cylinder 22 is H1, and the maximum distance is H2, wherein 4.5 ≦ (0.5 × H2+ H1) ≦ 10.5; when the height of the inner cylinder 22 of the reservoir 20 is not changed and the height of the side wall of the reservoir 20 is changed: referring to fig. 4, it can be known through research that the farther the distance between the inner cylinder 22 and the cavity wall is, the larger the formed cavity is, the better the heat insulation effect is, and the less heat dissipated by the compressor main body absorbed by the refrigerant in the inner cylinder 22 is, the higher the overall energy efficiency of the compressor is; referring to fig. 5, the overall center of gravity of the compressor increases the further the inner cylinder 22 is spaced from the chamber wall, and the degree of compressor vibration increases as the center of gravity increases. When the size of the housing of the reservoir 20 is unchanged, and the height of the inner cylinder 22 is changed: referring to fig. 6, as the inner cylinder 22 becomes shorter, (0.5 × h2+ h1) becomes larger, the heat insulation effect increases and the energy efficiency becomes higher; however, when the height of the inner cylinder 22 is greater than 10.5 (0.5 × h2+ h1), the inner cylinder 22 becomes too short to have an excessively small internal volume, and the amount of thermally insulated refrigerant that can be stored becomes small, and energy efficiency begins to decrease. The energy efficiency and the vibration of the compressor are comprehensively considered, and (0.5 H2+ H1) is controlled to be less than or equal to 10.5 and more than or equal to 4.5, so that the energy efficiency and the vibration of the compressor can be comprehensively balanced to achieve the best.
In this embodiment, the liquid storage device 20 is located below the compressor main body, but the liquid storage device 20 may also be located above the compressor main body, but at this time, an electrical safety problem between the condensed water outside the liquid storage device 20 and the connection terminal on the upper shell 11 of the compressor main body needs to be solved.
The shell of the liquid storage device 20 and the shell 11 of the compressor main body can be integrally arranged and can be welded together certainly, when the shell of the liquid storage device 20 and the shell 11 of the compressor main body are integrally arranged, the structure between the two can be more compact, and meanwhile, as the two are integrated, when any one of the two vibrates, the other two can be driven together, so that the vibration amplitude of the two can be reduced, the noise is reduced, the miniaturization of the compressor is facilitated, the installation area of the compressor during installation is reduced, and the development of the miniaturization of an air conditioner is facilitated; meanwhile, due to the integral arrangement, only the leaked shell needs to be subjected to rust prevention treatment, the area needing rust prevention treatment is reduced, and the production cost related to rust prevention operation is reduced.
Specifically, the chamber wall is upper cover 211, the liquid storage cylinder 21 deviates from one side of casing 11 still installs lower cover 212, the upper end of liquid storage cylinder 21 is equipped with first opening, the lower extreme of liquid storage cylinder 21 is equipped with the second opening, upper cover 211 sealing connection in first opening part, lower cover 212 sealing connection in second opening part, specifically, upper cover 211 and lower cover 212 can weld respectively in the first opening and the second opening part of liquid storage cylinder 21, certainly can also be an organic whole setting.
In this embodiment, the compressor further includes an air return pipe 31, the compression pump body 12 includes an air cylinder, the liquid storage cylinder 21 and the inner cylinder 22 are respectively provided with a first air return port 213 and a second air return port 214, the air cylinder is provided with a third air return port, and the air return pipe 31 passes through the first air return port 213, the second air return port 214 and the third air return port, so that the refrigerant in the inner cylinder 22 flows into the air cylinder; further, the compressor main body further includes a compressor motor 13 for compressing the refrigerant flowing into the inner tube 22 from the inner tube 22.
When the air conditioner is used for refrigeration, the compressor main body compresses a gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then the high-temperature and high-pressure gaseous refrigerant is sent to the condenser of the outdoor unit through the exhaust pipe, the condenser dissipates heat and reduces temperature of high-temperature and high-pressure refrigerant vapor discharged by the exhaust pipe, so that the high-temperature and high-pressure refrigerant vapor is condensed into a liquid high-pressure refrigerant, the liquid refrigerant enters the indoor unit through the capillary tube to absorb heat in indoor air and is vaporized to form a gaseous refrigerant, and then the gaseous refrigerant returns to the compressor to be continuously compressed and continuously circulates for refrigeration; when the air conditioner is in a heating state, a four-way valve in the air conditioning system enables the flowing directions of the refrigerant in the condenser and the evaporator to be opposite to that in the cooling state, so cold air is blown out from the outdoor during heating, and hot air is blown out from the indoor unit.
Further, can also install the filter screen in muffler 31, in the use of compressor, get into and possibly contain the dust in the gaseous refrigerant of treating compression in the compressor, impurity such as tiny particle, if get into impurity then not only can influence its compressed gas's efficiency in the compressor, also can reduce the efficiency of compressor simultaneously, can make gaseous refrigerant filter before entering into the compression pump body through setting up the filter screen, reduce the content of impurity in the gaseous refrigerant, improve the compression efficiency of compressor main part, reduce the influence of impurity to the compressor main part, and then improve the life-span of compressor main part.
Optionally, the compressor further includes an air suction pipe 32, the liquid storage cylinder 21 and the inner cylinder 22 are respectively provided with a first air suction port 214 and a second air suction port 222, one end of the air suction pipe 32 sequentially penetrates through the first air suction port 214 and the second air suction port 222 to communicate with the inner cylinder 22, and the other end is used for connecting an external system to absorb the refrigerant.
It can understand, the external system can be the evaporimeter, the inner tube 22 of reservoir 20 is linked together with the evaporimeter, can play gas-liquid separation's effect, liquid refrigerant can sink into the bottom of inner tube 22, gaseous state refrigerant then enters into the compression pump body 12 through muffler 31, and then carry out compression treatment to gaseous state refrigerant, and liquid refrigerant can slowly gasify to gaseous state refrigerant in the bottom of inner tube 22, and then get into the compression pump body 12, thereby can not cause liquid refrigerant constantly to pile up in the reservoir 20, gas-liquid separation through reservoir 20 can prevent that liquid refrigerant from flowing into the compression pump body 12, and then play the effect of the protection compression pump body 12, the life-span of compressor has been improved.
Optionally, the air return pipe 31 and the first air return port 213 are sealed, and the air suction pipe 32 and the first air suction port 214 are sealed, so that the refrigerant in the liquid reservoir 20 is prevented from flowing into the external environment through sealing treatment, damage to the external environment is reduced, meanwhile, air and other impurities in the external environment are also reduced from entering into the refrigeration cycle, and influence on finally compressed gas caused by mixed impurities is reduced, thereby reducing damage to the compressor body; wherein, the sealing arrangement can be that two parts of the muffler 31 are respectively integrated with the compression pump body 12 and the liquid storage cylinder 21, and certainly, the joint can also be provided with a sealant; it is of course also possible to install sealing rings or the like at their connections.
Referring to fig. 3, optionally, the diameter of the second air return opening 214 is larger than that of the air return pipe 31, so that the inner cylinder 22 and the liquid storage cylinder 21 are communicated; and/or the diameter of the second suction port 222 is larger than that of the suction pipe 32, so that the inner cylinder 22 is communicated with the liquid storage cylinder 21; firstly, because the inner cylinder 22 is positioned in the liquid storage cylinder 21, the diameter of the second air return opening 214 is larger than that of the air return pipe 31, and/or the diameter of the second air suction opening 222 is larger than that of the air suction pipe 32, so that the air return pipe 31 and the air suction pipe 32 can be conveniently mounted and dismounted, the sealing operation among the inner cylinder 22, the air suction pipe 32 and the air return pipe 31 is not needed, the mounting difficulty is greatly reduced, and the production and manufacturing cost is further reduced; secondly, the diameter of the second air return port 214 is larger than that of the air return pipe 31, and/or the diameter of the second air suction port 222 is larger than that of the air suction pipe 32, so that the inner cylinder 22 and the liquid storage cylinder 21 are communicated, the refrigerant in the inner cylinder 22 can enter the liquid storage cylinder 21 through the connection part of the air return pipe 31 and the air suction pipe 32 with the inner cylinder 22, and further the space between the inner cylinder 22 and the cavity wall is filled with gaseous refrigerant, so that the refrigerant is arranged in the space between the inner cylinder 22 and the upper cover 211, and further the heat insulation effect is further enhanced, thereby reducing the heat dissipated by the refrigerant in the inner cylinder 22 to the compressor main body, further reducing the influence of the compressor main body on the inner cylinder 22, further improving the compression efficiency of the compressor, and further improving the energy efficiency of the compressor.
Optionally, the inner cylinder 22 is in a circular truncated cone shape, an included angle between a side surface of the inner cylinder 22 and a side wall of the liquid storage cylinder 21 adjacent to the side surface of the inner cylinder is G, wherein G is greater than or equal to 1 degree and less than or equal to 20 degrees, and a certain included angle is formed, so that a certain cavity is formed to separate the inner cylinder 22 and the side wall of the liquid storage cylinder 20, which is beneficial to heat insulation, and when G1 is larger, the larger the formed cavity is, the better the heat insulation effect is, as shown in fig. 7. However, when the included angle G1 is large to a certain extent, the volume of the inner cylinder 22 is compressed, so that the amount of the refrigerant protected by heat insulation stored in the inner cylinder is reduced, and more refrigerants are exposed and have no heat insulation part, so that the energy efficiency of the compressor is reduced. Referring to fig. 7, the value range of G1 is set to 20 ° or more and G1 or less, and the influence of each part of the reservoir 20 can be integrated to optimize the energy efficiency.
The utility model discloses still provide an air conditioner, the concrete structure of this compressor refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and here is no longer repeated one by one.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A compressor, comprising:
the compressor comprises a compressor main body, a compressor pump body and a compressor pump body, wherein the compressor main body comprises a shell and the compressor pump body arranged in the shell; and
the liquid storage device comprises a liquid storage cylinder and an inner cylinder arranged in the liquid storage cylinder, the liquid storage cylinder is arranged in the shell and is positioned in the axial direction of the shell, one side, facing the shell, of the liquid storage cylinder is provided with a cavity wall, and the inner cylinder and the cavity wall are arranged at intervals.
2. The compressor of claim 1, wherein a minimum distance between the chamber wall and the inner cylinder is H1 and a maximum distance is H2, wherein 4.5 ≦ (0.5 × h2+ h1) ≦ 10.5.
3. The compressor of claim 1, wherein the accumulator is located below the compressor body.
4. The compressor as claimed in claim 3, wherein the chamber wall is an upper cover, a lower cover is further installed on a side of the liquid storage cylinder facing away from the housing, a first opening is provided at an upper end of the liquid storage cylinder, a second opening is provided at a lower end of the liquid storage cylinder, the upper cover is hermetically connected to the first opening, and the lower cover is hermetically connected to the second opening.
5. The compressor as claimed in claim 1, wherein the compressor further comprises a return pipe, the compression pump body comprises a cylinder, the liquid storage cylinder and the inner cylinder are respectively provided with a first return air port and a second return air port, the cylinder is provided with a third return air port, and the return pipe passes through the first return air port, the second return air port and the third return air port, so that the refrigerant in the inner cylinder flows into the cylinder.
6. The compressor as claimed in claim 5, further comprising a suction pipe, wherein the liquid storage cylinder and the inner cylinder are respectively provided with a first suction port and a second suction port, one end of the suction pipe sequentially passes through the first suction port and the second suction port to communicate with the inner cylinder, and the other end is used for connecting an external system to absorb the refrigerant.
7. The compressor of claim 6 wherein said muffler is sealingly disposed between said first return air port and said suction air pipe is sealingly disposed between said first suction air port and said suction air pipe.
8. The compressor as set forth in claim 6, wherein said secondary return air port has a diameter greater than that of said return air pipe to communicate said inner cylinder with said reservoir; and/or
The diameter of the second air suction port is larger than that of the air suction pipe, so that the inner cylinder is communicated with the liquid storage cylinder.
9. The compressor of claim 1 wherein said inner cylinder is frustoconical, the angle between the side of said inner cylinder and the side wall of said reservoir adjacent thereto being G, wherein G is 1 ° to 20 °.
10. An air conditioner characterized by comprising the compressor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222428631.6U CN218093369U (en) | 2022-09-13 | 2022-09-13 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222428631.6U CN218093369U (en) | 2022-09-13 | 2022-09-13 | Compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093369U true CN218093369U (en) | 2022-12-20 |
Family
ID=84454512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222428631.6U Active CN218093369U (en) | 2022-09-13 | 2022-09-13 | Compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236702A1 (en) * | 2022-06-07 | 2023-12-14 | 广东美芝制冷设备有限公司 | Compressor and temperature regulation device having same |
-
2022
- 2022-09-13 CN CN202222428631.6U patent/CN218093369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236702A1 (en) * | 2022-06-07 | 2023-12-14 | 广东美芝制冷设备有限公司 | Compressor and temperature regulation device having same |
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