CN205579792U - Compressor unit spare, off -premises station and air conditioner - Google Patents

Abstract

The utility model discloses a compressor assembly, an outdoor unit and an air conditioner, wherein, the compressor assembly includes a compressor body and a noise reduction part; the noise reduction part is sheathed on the compressor body; The noise element has an inner layer and an outer layer with a gap between the inner layer and the outer layer. The utility model sets the side wall of the noise-reducing component sleeved on the compressor body as an inner layer and an outer layer with a gap, so that the noise generated by the vibration of the compressor body is cut off, thereby reducing the transmission of vibration and sound transmission, which is conducive to reducing noise.

Description

Compressor components, outdoor units and air conditioners

technical field

The utility model relates to the technical field of air conditioning, in particular to a compressor assembly, an outdoor machine and an air conditioner.

Background technique

There is a compressor installed in the outdoor unit of the air conditioner. Due to the working nature of the compressor, vibration will inevitably occur during its working process. The vibration of the compressor is transmitted through the compressor itself and the components connected to the compressor to generate noise. , causing noise pollution to the surrounding environment of the compressor.

Utility model content

The main purpose of the utility model is to provide a compressor assembly, an outdoor unit and an air conditioner, aiming at reducing the noise generated by the vibration of the compressor.

In order to achieve the above purpose, the compressor assembly proposed by the utility model includes a compressor body and a noise reduction component; the noise reduction component is sleeved on the compressor body; the noise reduction component has an inner layer and an outer layer, There is a gap between the inner layer and the outer layer.

Preferably, an intermediate frequency noise reduction layer is arranged in the gap.

Preferably, the intermediate frequency noise reduction layer includes one or more of noise reduction particles, noise reduction powder or noise reduction fluid.

Preferably, one end of the inner layer is provided with a limiting plate, and the limiting plate and the inner layer enclose a storage space for the compressor body to be accommodated, and a space for the compressor body is opened on the limiting plate. The through hole through which the air inlet pipe and the air outlet pipe connected to the body pass.

Preferably, a connecting plate is arranged between the inner layer and the outer layer, and the connecting plate, the inner layer and the outer layer enclose a receiving cavity.

Preferably, the compressor assembly further includes a high-frequency noise-reducing layer, and the high-frequency noise-reducing layer is arranged outside the noise-reducing member.

Preferably, the shape of the high-frequency noise reduction layer is the same as that of the outer surface of the outer layer, and the high-frequency noise reduction layer is bonded to the outer surface of the outer layer.

Preferably, the high-frequency noise reduction layer includes a first noise reduction case and a second noise reduction case that are detachably connected, and the space enclosed by the first noise reduction case and the second noise reduction case surrounds the Noisy parts.

Preferably, the high-frequency noise reduction layer includes a noise reduction part and a blocking part connected to the noise reduction part;

One end of the inner layer is provided with a limiting plate, and the limiting plate and the inner layer enclose a storage space for the compressor body;

The blocking portion is attached to the surface of the limiting plate to block the gap.

Preferably, the high frequency noise reduction layer is made of metal material.

Preferably, the compressor assembly further includes a low-frequency noise reduction layer, and the low-frequency noise reduction layer wraps the shell of the compressor body.

Preferably, the compressor assembly further includes a fixing column for mounting the compressor body, the length direction of the fixing column is the same as the axial direction of the housing; the fixing column is connected to the shell of the compressor body body connection.

In order to achieve the above purpose, the utility model further proposes an outdoor unit.

An outdoor machine, including a compressor assembly and an outdoor machine case, the compressor assembly is installed in the outdoor machine case;

Wherein, the compressor assembly includes a compressor body and a noise reduction member; the noise reduction member is sleeved on the compressor body; the noise reduction member has an inner layer and an outer layer, and the inner layer and the There are gaps between the outer layers.

To achieve the above purpose, the utility model further proposes an air conditioner.

An outdoor machine, including a compressor assembly; the compressor assembly includes a compressor body and a noise reduction component; the noise reduction component is sleeved on the compressor body; the noise reduction component has an inner layer and an outer layer , there is a gap between the inner layer and the outer layer.

The utility model sets the side wall of the noise-reducing component sleeved on the compressor body as an inner layer and an outer layer with a gap, so that the noise generated by the vibration of the compressor body is cut off, thereby reducing the transmission of vibration and sound transmission, which is conducive to reducing noise.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the noise reduction part of the compressor assembly of the present invention;

Fig. 2 is a structural schematic diagram of another embodiment of the noise reducing part of the compressor assembly of the present invention;

Fig. 3 is a schematic diagram of an explosion structure of an embodiment of the compressor assembly of the present invention;

Fig. 4 is a schematic diagram of the assembly structure of an embodiment of the compressor assembly of the present invention;

Fig. 5 is a schematic diagram of the assembly structure of another embodiment of the compressor assembly of the present invention;

Fig. 6 is a structural schematic diagram of another embodiment of the compressor assembly of the present invention;

FIG. 7 is a schematic cross-sectional structure diagram at A-A in FIG. 6 .

Explanation of reference numbers:

label name label name 100 Compressor body 200 Noise reduction 210 inner layer 220 outer layer 230 limit plate 240 connecting plate 300 High Frequency Noise Reduction Layer 310 The first noise reduction shell 311 Blocking Department 312 Noise reduction department 320 Second noise reduction shell 400 Gas-liquid separator 500 fixed plate 600 IF Noise Reduction Layer 700 Low Frequency Noise Reduction Layer

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides a compressor assembly. Compared with the existing compressor body 100, the compressor assembly additionally adds a noise reduction component 200, a low frequency noise reduction layer, an intermediate frequency noise reduction layer and a high frequency noise reduction layer, all of which can block the noise generated by the compressor. The gap between the inner layer and the outer layer of the noise reduction component also plays the role of isolating the noise transmission path. By wrapping the low frequency noise reduction layer on the shell of the compressor body 100 , the vibration damping of the compressor is increased, and by setting the middle frequency noise reduction layer in the gap, the noise generated by the compressor is absorbed and blocked.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a structural schematic diagram of an embodiment of the noise reduction part 200 of the compressor assembly of the present invention; Fig. 2 is a structural schematic diagram of another embodiment of the noise reduction part 200 of the compressor assembly of the present invention.

In the embodiment of the present utility model, the compressor assembly includes a compressor body 100 and a noise reduction member 200 . The noise reduction component 200 is sleeved on the compressor body 100 . The noise reducing element 200 has an inner layer 210 and an outer layer 220 with a gap between the inner layer 210 and the outer layer 220 .

Specifically, in this embodiment, the inner layer 210 surrounds a cavity for accommodating the compressor body 100, and the outer layer 220 surrounds the inner layer 210. The outer layer 220 may surround the entire inner layer 210, or may only cover part of the inner layer. 210. The inner layer 210 and the outer layer 220 may be arranged in parallel. In some embodiments, the bottom of the inner layer 210 is connected to the bottom of the outer layer 220 , and there is a gap between the top of the inner layer 210 and the top of the outer layer 220 . The gap can be empty, or filled with noise-reducing material, and of course, an intermediate-frequency noise-reducing layer 600 can also be provided.

In other embodiments, one end of the inner layer 210 is provided with a limiting plate 230, and the limiting plate 230 and the inner layer 210 enclose a storage space for the compressor body 100 to be accommodated. The plate 230 is provided with through holes for the inlet pipe and the outlet pipe connected to the compressor body 100 to pass through. Through the setting of the limiting plate 230, the compressor body 100 and the refrigerant pipeline connected to it are protected, and at the same time, the position of the compressor body 100 is limited, and the noise generated at the top of the compressor body 100 is also isolated from the outside world. While reducing noise transmission, it is also conducive to a more stable and reliable operation of the compressor.

In this embodiment, by setting the side wall of the noise reduction member 200 sleeved on the compressor body 100 as an inner layer 210 and an outer layer 220 with a gap, the noise generated by the vibration of the compressor body 100 is isolated, thereby The transmission of vibration and the transmission of sound are reduced, which is beneficial to reduce noise.

The noise reduction component has an intermediate frequency noise reduction layer 600, a high frequency noise reduction layer 300, and a low frequency noise reduction layer 700. The structures and positions of the intermediate frequency noise reduction layer 600, the high frequency noise reduction layer 300, and the low frequency noise reduction layer 700 are introduced respectively below . It can be understood that the noise reduction layer of each frequency band mainly plays a role in weakening the noise of the frequency band, but not only reduces the noise of the corresponding frequency band, for example, the intermediate frequency noise reduction layer 600 is mainly used to reduce the intermediate frequency noise, of course It also has a certain weakening effect on low-frequency noise and high-frequency noise.

Referring to Figure 3 to Figure 7, Figure 3 is a schematic diagram of the explosion structure of an embodiment of the compressor assembly of the present invention; Figure 4 is a schematic diagram of the assembly structure of an embodiment of the compressor assembly of the present invention; Figure 5 is a schematic diagram of the compressor assembly of the present invention A schematic diagram of the assembly structure of another embodiment; FIG. 6 is a schematic structural diagram of another embodiment of the compressor assembly of the present invention; FIG. 7 is a schematic cross-sectional structural diagram at A-A in FIG. 6 .

Further, an intermediate frequency noise reduction layer 600 is arranged in the gap. The intermediate frequency noise reduction layer 600 includes one or more of noise reduction particles, noise reduction powder or noise reduction fluid. A connecting plate 240 is arranged between the inner layer 210 and the outer layer 220, the connecting plate 240, the inner layer 210 and the outer layer 220 enclose a storage chamber, and the noise-reducing particles and the noise-reducing powder Or the noise reduction fluid is filled in the accommodating cavity. Of course, in some embodiments, other materials that can reduce intermediate frequency noise can also be filled.

Specifically, in this embodiment, the noise-reducing particles include sound-absorbing particles for absorbing sound energy and sound-insulating particles for blocking sound transmission. The particle size of the sound-absorbing particles ranges from 1mm to 3mm. The sound absorbing particles include perlite particles and/or vermiculite particles. The particle size range of sound insulation particles is 1mm to 5mm. The sound-insulating particles are soft particles, including rubber particles and/or silica gel particles. The mesh number of the noise reduction powder ranges from 50 mesh to 200 mesh. The noise reduction powder can be one or more of rubber powder, perlite powder or vermiculite powder. The noise reduction fluid includes one or more of gas, water, oil or solution.

In this embodiment, through the setting of the intermediate frequency noise reduction layer 600, the resistance to be overcome by the compression assembly of the compressor to drive the noise reduction part 200 to generate vibration increases, which is equivalent to increasing the vibration damping of the noise reduction part 200 to reduce The vibration frequency of the noise reduction part 200; the noise reduction particles, noise reduction powder or noise reduction fluid can simultaneously absorb and block the vibration of the compressor, and can also block and absorb the sound generated by the vibration of the compressor, thereby helping to improve and reduce the compression noise produced by the machine.

Further, referring to FIG. 3 to FIG. 7 , the compressor assembly further includes a high-frequency noise reduction layer 300 , and the high-frequency noise reduction layer 300 is disposed outside the noise reduction member 200 . The shape of the high-frequency noise reduction layer 300 is the same as that of the outer surface of the outer layer 220 , and the high-frequency noise reduction layer 300 is attached to the outer surface of the outer layer 220 .

Specifically, in this embodiment, the high-frequency noise reduction layer 300 includes a first noise reduction case 310 and a second noise reduction case 320 that are detachably connected, and the first noise reduction case 310 and the second noise reduction case The space enclosed by 320 surrounds the noise reducing element 200 . It can be understood that, in some embodiments, the high-frequency noise reduction layer 300 can be provided integrally. The high frequency noise reduction layer 300 includes a noise reduction portion 312 and a blocking portion 311 connected to the noise reduction portion 312 . The high-frequency noise reduction layer 300 is a casing, the noise reduction part 312 is arranged parallel to the outer layer 220 , and the blocking part 311 is arranged perpendicular to the noise reduction part 312 . One end of the inner layer 210 is provided with a limiting plate 230 , and the limiting plate 230 and the inner layer 210 enclose a storage space for the compressor body 100 to be accommodated. The blocking portion 311 is attached to the surface of the limiting plate 230 to block the gap. The high-frequency noise reduction layer 300 is made of metal material, which can effectively reduce high-frequency noise while improving the compressive strength of the compressor assembly, which is beneficial to improve the working stability of the compressor assembly.

In this embodiment, the high-frequency noise reduction layer 300 is mainly used to reduce the high-frequency noise generated by the compressor, and is arranged on the outer surface layer of the outer layer 220 . By attaching the high-frequency noise reduction layer 300 to the outer surface of the outer layer 220, the vibration and noise increase the vibration damping of the outer layer 220, thereby further reducing the transmission of noise and vibration. By setting the high-frequency noise reduction layer 300 as the first noise reduction shell 310 and the second noise reduction shell 320, during the installation process of the high frequency noise reduction layer 300, the high frequency noise reduction layer 300 can be installed separately, thereby improving the high-frequency noise reduction layer 300. The operability of the high-frequency noise reduction layer 300 assembly. By bonding the sealing part 311 to the surface of the limiting plate 230, and sealing the gap between the inner layer 210 and the outer layer 220, the intermediate frequency noise reduction layer 600 arranged in the gap is not easily affected by the outside world. At the same time, the cooperation strength between the high frequency noise reduction layer 300 and the noise reduction component 200 is also improved.

Further, referring to FIGS. 3 to 7 , the compressor assembly further includes a low-frequency noise reduction layer 700 , and the low-frequency noise reduction layer 700 wraps the shell of the compressor body 100 . The low-frequency noise reduction layer 700 includes a noise reduction carrier and a filler accommodated in the noise reduction carrier, and the filler includes the first or more of noise reduction particles, noise reduction powder or noise reduction fluid.

Specifically, in this embodiment, an isolation zone is provided inside the noise reduction carrier to divide the noise reduction carrier into several independent spaces. There is a gap after the filler fills the independent space, so that the filler can move in the independent space to make the filler more evenly distributed. Wherein, the material of the noise reduction carrier is a flexible material, and the flexible material includes a rubber material and/or a cotton wool fabric material. Noise-reducing particles include sound-absorbing particles for absorbing sound energy and sound-insulating particles for blocking sound transmission. The particle size of the sound-absorbing particles ranges from 1mm to 3mm. The sound absorbing particles include perlite particles and/or vermiculite particles. The particle size range of sound insulation particles is 1mm to 5mm. The sound-insulating particles are soft particles, including rubber particles and/or silica gel particles. The mesh number of the noise reduction powder ranges from 50 mesh to 200 mesh. The noise reduction powder can be one or more of rubber powder, perlite powder or vermiculite powder. The noise reduction fluid includes one or more of gas, water, oil or solution. The noise reduction carrier is wrapped on the shell of the compressor body 100, or wrapped on the compressor body 100 and the gas-liquid separator 400 at the same time, or the compressor body 100, the gas-liquid separator 400 and the refrigerant connected to the compressor body 100 Tubes are wrapped together. Wherein, the noise reduction carrier is attached to the outer wall of the compressor and the gas-liquid separator 400 .

In this embodiment, through the setting of the low-frequency noise reduction layer 700, the resistance to be overcome by the compression assembly of the compressor to drive the casing to generate vibration is increased, which is equivalent to increasing the damping of the vibration of the casing to reduce the vibration of the compressor. frequency; both the noise-reducing carrier and the filler can absorb and block the vibration of the compressor at the same time, and can also block and absorb the sound generated by the vibration of the compressor, thereby helping to improve and reduce the noise generated by the compressor.

Of course, in some embodiments, the low-frequency noise reduction layer 700 can also be noise reduction particles and/or noise reduction powder, that is, the noise reduction particles and/or noise reduction powder are directly filled in the space surrounded by the inner layer 210, so that The compressor body 100, gas-liquid separator 400, refrigerant pipe, four-way valve, throttle valve, etc. are all surrounded by noise-reducing particles and/or noise-reducing powders, so that the vibration of the compression body itself is transmitted to the gas-liquid separator 400 , refrigerant pipe, four-way valve, throttle valve and other components are absorbed and blocked; at the same time, the noise emitted by the compressor body 100 itself and the gas-liquid separator 400, refrigerant pipe, four-way valve, throttle valve The noise emitted by other components is absorbed and blocked; thereby effectively reducing the transmission efficiency of vibration and effectively reducing the efficiency of noise transmission.

Further, on the basis of the above embodiments, the compressor assembly further includes a fixing column for installing the compressor body 100 . The length direction of the fixing column is the same as the axis direction of the housing. The fixing column is connected with the casing of the compressor body 100 .

Specifically, in this embodiment, the housing of the compressor body 100 is provided with a fixing plate 500, the fixing plate 500 is a triangular plate, and a mounting hole is opened in the middle of the triangular plate, and the housing of the compressor body 100 passes through the mounting hole, and It is fixedly connected with the fixing plate 500 around the mounting hole, specifically, it can be fixed by welding. The shell is a cylindrical shell, and the end of the shell far from the bottom of the fixed column is provided with a compressor air outlet. In order for the compressor to be easily connected to the refrigerant circulation system, the end with the compressor air outlet is set on the top of the noise reduction member 200 . The fixing plate 500 is connected with one end of the casing provided with an air outlet of the compressor. The connection mode between the fixed column and the fixed plate 500 can be welding, buckle, etc., preferably threaded connection, so that the installation and disassembly of the fixed plate 500 and the fixed column are very convenient, which is beneficial to the replacement of the compressor and the noise reduction part 200 And maintenance. Wherein, in order to enable the fixing plate 500 to better bear the weight of the compressor and the vibration generated by the compressor, the fixing plate 500 is arranged perpendicular to the fixing column, and the fixing plate 500 is arranged perpendicular to the shell of the compressor.

In this embodiment, the vibration source of the compressor body 100 is fixed by connecting the fixed plate 500 to the end of the casing with the air outlet of the compressor, and connecting the fixed plate 500 to the end of the fixed column far away from the bottom of the fixed column. The vibration of the compressor needs to pass through the shell of the compressor body 100, the fixed plate 500, the fixed column, and the noise reduction member 200 in sequence, and then it is transmitted out, so that the vibration of the compressor is gradually reduced, which is beneficial to reduce the transmission of vibration, and thus is beneficial to Reduce noise generation and transmission.

Further, the fixing column in the above embodiment is a hard elastic member. The hard elastic member can be hard rubber, hard plastic, etc.; it can also be a metal column sheathed with elastic materials, such as elastic damping materials such as rubber sleeves and cotton wool fabrics. In this embodiment, by setting the fixed column as a hard elastic member, when the vibration passes through the fixed column, the vibration can be more absorbed and blocked, thereby reducing the generation and transmission of noise.

Further, on the basis of the above-mentioned embodiments, the compressor assembly with reference to FIGS. The gas outlet of the liquid separator 400 is connected with the air inlet of the compressor.

Specifically, in this embodiment, the gas-liquid separator 400 is also accommodated in the space surrounded by the inner layer 210, and the gas-liquid separator 400 is arranged adjacent to the compressor body 100, and its length direction is the same as that of the compressor. . The gas outlet of the gas-liquid separator 400 is located at one end near the bottom of the box, and communicates with the air inlet of the compressor; the air inlet of the gas-liquid separator 400 is located at the opening of the box, and communicates with the return pipe and the four-way valve. The volume of the storage space of the box body corresponds to the volume of the compressor body 100 and the gas-liquid separator 400 , whichever can accommodate the compressor body 100 and the gas-liquid separator 400 .

In this embodiment, by installing the gas-liquid separator 400 in the box, the connection between the compressor body 100 and the gas-liquid separator 400 is more concise, which is beneficial to simplify the structure of the compressor assembly.

The utility model also proposes a compressor, which includes a casing, a compression assembly and a fixing plate 500 . The compression assembly is mounted within the housing. The first end of the housing is provided with an air outlet, and the fixing plate 500 is connected to the outer wall of the first end of the housing. The fixing plate 500 is suspended and connected to the chassis of the outdoor unit, that is, the fixing plate 500 is not in direct contact with the chassis of the outdoor unit, and the housing is not in direct contact with the chassis of the outdoor unit.

The structural features of the compressor in this embodiment are the same as those of the compressor in the above-mentioned embodiment, so it also has all the beneficial effects brought by the technical solution of the above-mentioned embodiment, and will not be repeated here.

A schematic structural view of an embodiment of the outdoor unit of the present invention. The utility model also proposes an outdoor machine, which includes an outdoor machine case and a compressor assembly. The specific structure of the compressor assembly refers to the above-mentioned embodiments. Since this outdoor machine adopts all the technical solutions of all the above-mentioned embodiments, it is therefore It also has all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be described here one by one. Wherein, the compressor assembly is installed in the outdoor unit case.

Further, on the basis of the above embodiments, the outdoor unit further includes a buffer layer, and the buffer layer is arranged between the box of the compressor assembly and the case of the outdoor unit.

Specifically, the buffer layer is an elastic buffer layer, and its material can be rubber, cotton wool fabric, etc., and can function as an elastic material for absorbing vibration and blocking vibration transmission. The buffer layer is arranged between the bottom of the casing and the bottom of the compressor casing. Specifically, the compressor case includes a top cover, a surface frame and a bottom plate, and the buffer layer is arranged between the bottom of the box body and the bottom plate. The bottom of the box body is provided with hanging lugs, and the hanging lugs are fixedly connected with the bottom plate of the compressor chassis by screws.

In this embodiment, through the arrangement of the buffer layer, the transmission of vibration and the absorption of vibration are effectively blocked, thereby effectively reducing the generation of noise.

The utility model also proposes an air conditioner, the compressor assembly of the air conditioner, the specific structure of the compressor assembly refers to the above-mentioned embodiments, since the air-conditioner adopts all the technical solutions of the above-mentioned embodiments, it also has the advantages of the above-mentioned embodiments All beneficial effects brought by the technical solution will not be repeated here. Wherein, the air conditioner is a wall-mounted split air conditioner, a floor split air conditioner, or a mobile air conditioner.

It should be noted that the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be regarded as The combination of schemes does not exist, nor is it within the scope of protection required by the utility model.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (14)

1. A compressor assembly, characterized in that it comprises a compressor body and a noise reduction component; the noise reduction component is sleeved on the compressor body; the noise reduction component has an inner layer and an outer layer, the The inner layer surrounds a cavity for accommodating the compressor body, the outer layer is arranged outside the inner layer, and there is a gap between the inner layer and the outer layer. 2. The compressor assembly according to claim 1, wherein an intermediate frequency noise reduction layer is arranged in the gap. 3. The compressor assembly according to claim 2, wherein the intermediate frequency noise reduction layer comprises one or more of noise reduction particles, noise reduction powder or noise reduction fluid. 4. The compressor assembly according to claim 1, wherein a limiting plate is provided at one end of the inner layer, and the limiting plate and the inner layer enclose a storage space for the compressor body. , the limiting plate is provided with through holes for the inlet pipe and outlet pipe connected to the compressor body to pass through. 5. The compressor assembly according to any one of claims 1 to 4, wherein a connecting plate is arranged between the inner layer and the outer layer, and the connecting plate, the inner layer and the outer layer The outer layer encloses a receiving chamber. 6. The compressor assembly of claim 1, further comprising a high frequency noise reduction layer disposed outside of the noise reduction member. 7. The compressor assembly according to claim 6, wherein the shape of the high frequency noise reduction layer is the same as that of the outer surface of the outer layer, and the shape of the high frequency noise reduction layer is the same as that of the outer layer The outer surface is conformable. 8. The compressor assembly according to claim 6, wherein the high frequency noise reduction layer comprises a first noise reduction case and a second noise reduction case that are detachably connected, and the first noise reduction case and the The space enclosed by the second noise reduction shell surrounds the noise reduction component. 9. The compressor assembly according to any one of claims 6 to 8, wherein the high-frequency noise reduction layer comprises a noise reduction part and a blocking part connected to the noise reduction part; One end of the inner layer is provided with a limiting plate, and the limiting plate and the inner layer enclose a storage space for the compressor body; The blocking portion is attached to the surface of the limiting plate to block the gap. 10. The compressor assembly according to any one of claims 6 to 8, wherein the high frequency noise reduction layer is made of metal material. 11. The compressor assembly according to claim 1, further comprising a low frequency noise reduction layer wrapping the shell of the compressor body. 12. The compressor assembly according to claim 1, characterized in that, the compressor assembly further comprises a fixing column for mounting the compressor body, and the length direction of the fixing column is aligned with the shell of the compressor body The axial direction of the body is the same; the fixed column is connected with the casing of the compressor body. 13. An outdoor unit, characterized in that it comprises a compressor assembly and an outdoor unit case according to any one of claims 1 to 12, and the noise reduction part of the compressor assembly is installed in the outdoor unit case . 14. An air conditioner, characterized by comprising the compressor assembly according to any one of claims 1-12.