Noise reduction structure and air conditioner

Abstract

The utility model discloses a noise reduction structure and an air conditioner and relates to the technical field of air conditioners, the noise reduction structure comprises a compressor cover, the compressor cover comprises a plurality of splicing pieces, the splicing pieces are connected through a joggle joint structure and define a containing cavity, and the containing cavity is used for containing a compressor. The joggle joint structure comprises mortises and tenons, the mortises and the tenons are arranged on the splicing pieces, and the tenons on one adjacent splicing piece are inserted into the mortises on the other adjacent splicing piece. According to the technical scheme provided by the utility model, the disassembly and assembly efficiency of the noise reduction structure is improved.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, and in particular to a noise reduction structure and an air conditioner. Background Technology

[0002] The compressor plays a crucial role in the air conditioning refrigerant circuit, compressing and driving the refrigerant, and it generates noise during operation. Currently, to reduce compressor noise, a compressor cover is typically installed on the outside of the compressor. Most commonly used compressor covers are one-piece structures, which can be cumbersome to disassemble and reassemble in some situations, such as during compressor maintenance. Utility Model Content

[0003] The main purpose of this utility model is to propose a noise reduction structure and an air conditioner, aiming to improve the disassembly and assembly efficiency of the noise reduction structure.

[0004] To achieve the above objectives, the noise reduction structure proposed in this utility model includes:

[0005] The compressor cover includes multiple splicing components, which are connected by a tenon joint structure to form a receiving cavity for accommodating the compressor. The tenon joint structure includes a mortise and tenon on the splicing components, and the tenon on an adjacent splicing component is inserted into the mortise on an adjacent splicing component.

[0006] In one embodiment, there is an assembly gap between the tenon on an adjacent splice and the fitting mortise on an adjacent splice.

[0007] In one embodiment, the assembly gap is less than or equal to 0.5 mm.

[0008] In one embodiment, the width of the tenon is greater than or equal to 10 mm; and / or

[0009] The tenon joint is configured as a comb tenon or a dovetail tenon.

[0010] In one embodiment, one of the splicing components is provided with a plurality of tenons and a plurality of mortises;

[0011] The tenons described are of the same size; and / or the mortises described are of the same size.

[0012] In one embodiment, the compressor cover is provided with a wire-passing notch for the wire harness to pass through; and / or

[0013] The compressor housing has a pipe notch for pipes to pass through.

[0014] In one embodiment, the compressor cover includes a cover body and a sound insulation layer connected together, the sound insulation layer being located inside the cover body.

[0015] This utility model also proposes an air conditioner, comprising:

[0016] Chassis;

[0017] The compressor is mounted on the chassis.

[0018] The noise reduction structure covers the compressor through the receiving cavity, and the compressor cover is connected to the chassis.

[0019] In one embodiment, the chassis is provided with a first mounting groove, and the compressor cover is provided with a tenon at one end facing the chassis, the tenon being installed in the first mounting groove.

[0020] In one embodiment, the chassis is further provided with a buffer pad, the buffer pad is provided with a second mounting groove, and the tenon passes through the second mounting groove and is embedded in the first mounting groove.

[0021] In one embodiment, the compressor cover and the chassis are also connected by a screw-locking structure.

[0022] The technical solution of this utility model involves disassembling the compressor cover into multiple spliced ​​parts within a noise reduction structure. These spliced ​​parts are connected by a mortise and tenon joint to form a receiving cavity for housing the compressor. The mortise and tenon joint includes mortises and tenons on the spliced ​​parts, and the tenon on an adjacent spliced ​​part can be inserted into the mortise on an adjacent spliced ​​part. Thus, compared to the existing technology where the compressor cover is a single, integral structure, this utility model presents a split structure for the compressor cover, thereby improving the assembly and disassembly efficiency of the noise reduction structure. It allows for the removal of some spliced ​​parts at any time to observe the operation of the components inside the compressor cover, facilitating inspection and maintenance. Furthermore, the mortise and tenon joint structure enables the connection between the multiple spliced ​​parts, allowing for assembly of the compressor cover by hand without additional installation work, thus simplifying the assembly of the compressor cover. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the structure of an embodiment of the air conditioner provided by this utility model;

[0025] Figure 2 for Figure 1An exploded structural diagram of an embodiment of an air conditioner.

[0026] Explanation of icon numbers:

[0027] 100. Compressor cover; 110. Connecting piece; 120. Mortise and tenon joint; 121. Tenon; 122. Mortise and tenon groove; 130. Receiving cavity;

[0028] 141. Cover body; 142. Sound insulation layer; 151. Wiring notch; 152. Pipe notch;

[0029] 210. Compressor; 220. Chassis; 230. Buffer pad; 231. Second mounting slot.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0032] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0034] The compressor plays a crucial role in the air conditioning refrigerant circuit, compressing and driving the refrigerant, and it generates noise during operation. Currently, to reduce compressor noise, a compressor cover is typically installed on the outside of the compressor. Most commonly used compressor covers are one-piece structures, which can be cumbersome to disassemble and reassemble in some situations, such as during compressor maintenance.

[0035] This utility model proposes a noise reduction structure.

[0036] Please see Figure 1 and Figure 2 In one embodiment of the present invention, the noise reduction structure includes a compressor cover 100, which includes multiple splicing parts 110. The multiple splicing parts 110 are connected by a tenon joint structure 120 and form a receiving cavity 130. The receiving cavity 130 is used to receive the compressor 210. The tenon joint structure 120 includes a mortise 122 and a tenon 121 provided on the splicing parts 110. The tenon 121 on an adjacent splicing part 110 is inserted into the mortise 122 on an adjacent splicing part 110.

[0037] It is understandable that the compressor 210 will generate vibration and noise during operation. The compressor cover 100 is placed outside the compressor 210. The compressor cover 100 can reduce the outward transmission of the noise of the compressor 210 system and reflect the noise as much as possible inside the compressor cover 100. The compressor cover 100 is made of dense and thick materials to increase the sound insulation and noise reduction of low and medium frequencies, so as to block and seal the noise in the internal space for repeated absorption, thus isolating it from the surrounding air.

[0038] More specifically, the compressor cover 100 includes a cover body 141 and a sound insulation layer 142 connected to each other, with the sound insulation layer 142 located inside the cover body 141. In one embodiment, the cover body 141 may be made of damping steel plate, vibration-damping composite steel plate, hot-dip galvanized steel plate, aluminum plate, stainless steel plate, etc., or an integral structure in which damping materials (such as anti-vibration adhesive, asphalt, rubber, etc.) are coated on a sheet metal structure.

[0039] The sound insulation layer 142 is used to enclose the compressor 210. The sound insulation layer 142 can be fixed to the compressor cover 100 using various methods such as adhesive, double-sided tape, 3M adhesive, rivet nuts, fastening straps, and screws. The sound insulation layer 142 is made of a soft, porous, highly sound-absorbing material. When sound waves enter the pores, they cause fiber vibration, converting sound energy into heat energy through adhesion and friction, thus being absorbed and dissipated. More specifically, the sound insulation layer 142 can be PP / PET two-component sound insulation cotton, glass fiber cotton, non-woven fiber cotton, needle-punched felt cotton, polyester fiber cotton, rock wool, slag wool, etc., or it can be a composite material of rubber / PVC, etc., with fiber cotton / needle-punched felt and other sound-absorbing cotton (i.e., sound-absorbing cotton material coated on rubber or PVC materials).

[0040] PP refers to polypropylene, and PET refers to polyethylene terephthalate. PP / PET bicomponent sound insulation cotton is a composite material, usually made of a blend of PP and PET fibers. It combines the properties of PP and PET, possessing good elasticity and durability, and is used for sound absorption and insulation. PVC refers to polyvinyl chloride, a polymer formed by the polymerization of vinyl chloride monomer (VCM) under the action of initiators such as peroxides and azo compounds, or under the influence of light and heat, according to a free radical polymerization mechanism.

[0041] In one embodiment, the noise reduction structure may include at least one cover body 141 and at least one sound insulation layer 142, thereby improving the noise reduction capability. In one embodiment, the sound insulation layer 142 has two layers, and the cover body 141 has two layers. One sound insulation layer 142 is used to wrap the compressor 210, and a cover body 141, another sound insulation layer 142, and another cover body 141 are sequentially arranged on its outer side. In another embodiment, the sound insulation layer 142 has two layers, and the cover body 141 has one layer. One sound insulation layer 142 is used to wrap the compressor 210, and a cover body 141 and another sound insulation layer 142 are sequentially arranged on its outer side; or, another sound insulation layer 142 and a cover body 141 are sequentially arranged on its outer side. In yet another embodiment, the sound insulation layer 142 has one layer, and the cover body 141 has two layers. The sound insulation layer 142 is used to wrap the compressor 210, and a cover body 141 and another cover body 141 are sequentially arranged on its outer side. No restrictions are placed on the number of layers or the arrangement order of the cover body 141 and the sound insulation layer 142.

[0042] However, this design is not limited to this. In other embodiments, the compressor cover 100 can also be a structure made of a material with high hardness and resistance to deformation, such as: rubber sound insulation pad, mineral wool, mineral wool board, polyurethane foam, polyurethane phenolic foam, polyester fiber board, glass wool board, polystyrene board, etc. No restrictions are placed on the number of layers or the material of the compressor cover 100.

[0043] Understandably, the compressor housing 100 is divided into multiple splicing parts 110, which are connected by tenon joints 120 to form a receiving cavity 130 for housing the compressor 210. Thus, compared to the prior art where the compressor housing 100 is a single unit, this invention provides a split structure for the compressor housing 100, thereby improving the efficiency of disassembly and assembly of the noise reduction structure; allowing for the removal of some splicing parts 110 at any time to observe the operation of the components inside the compressor housing 100, facilitating inspection and maintenance; furthermore, the split compressor housing 100 allows for the installation of components such as the compressor 210 within the housing through splicing, thus contributing to the miniaturization, lightweighting, and cost reduction of the compressor housing 100.

[0044] The mortise and tenon structure 120 includes a mortise 122 and a tenon 121 provided on each splice 110. That is, each splice 110 is provided with a mortise 122 and a tenon 121, and the mortise 122 and tenon 121 are arranged adjacent to each other on a splice 110. For ease of explanation, the multiple splices 110 are defined as a first splice, a second splice, ..., an Nth splice. When the first splice and the second splice need to be connected, the tenon 121 on the first splice is inserted into the mortise 122 on the second splice, and simultaneously, the tenon 121 on the second splice is also inserted into the mortise 122 on the first splice, thus achieving the connection of the multiple splices 110. Therefore, the mortise and tenon structure 120 allows the connection between the multiple splices 110 to be completed without additional installation work, enabling the compressor cover 100 to be assembled by hand, thereby simplifying the assembly of the compressor cover 100. In countries and regions where air conditioner installation costs are high, this allows users to install the air conditioner themselves, thus saving on installation costs.

[0045] In one embodiment, the plurality of splicing components 110 include a top cover, a first side panel, a second side panel, and a third side panel, wherein the first side panel, the second side panel, and the third side panel are connected end to end to enclose the cavity, and the top cover is connected to one end of the first side panel, the second side panel, and the third side panel, thereby enclosing the receiving cavity 130.

[0046] However, this design is not limited to this. In other embodiments, the multiple splicing components 110 may include a top cover, a first side panel, and a second side panel, which together enclose the receiving cavity 130. Here, the number of splicing components 110 is not limited.

[0047] In embodiments of this utility model, there is an assembly gap between the tenon 121 on an adjacent splice 110 and the matching mortise 122 on another adjacent splice 110. It is understood that the assembly gap improves the ease of inserting the tenon 121 on one splice 110 into the mortise 122 on another splice 110, and also improves the assembly efficiency of the compressor cover 100. In one embodiment, the assembly gap is less than or equal to 0.5 mm. This ensures that the assembly gap is less than or equal to 0.5 mm, on the one hand, avoiding the difficulty of inserting the tenon 121 and mortise 122 when there is no assembly gap; on the other hand, it also avoids large gaps at the connection points of adjacent splices 110, preventing noise leakage during compressor 210 operation; and preventing external dust, moisture, and other substances from entering the receiving cavity 130 through the gaps and affecting the normal operation of the compressor 210.

[0048] However, this design is not limited to this. In other embodiments, no assembly gap may be provided between adjacent splicing components 110. This can also achieve the connection of splicing components 110.

[0049] In this embodiment of the invention, the width of the tenon 121 is greater than or equal to 10 mm. This facilitates both the machining and forming of the tenon 121 and the connection between the tenon 121 and the mortise 122. Of course, in other embodiments, the width of the tenon 121 may be less than 10 mm, and this is not a limitation.

[0050] In embodiments of this utility model, the tenon joint 120 is configured as a comb tenon or a dovetail tenon. It is understood that the comb tenon and dovetail tenon have simpler structures, which facilitates the processing and forming of the tenon joint 120 and simplifies the connection of multiple splicing parts 110. Of course, in other embodiments, the tenon joint 120 can also be a bevel tenon or other structures, and this is not a limitation.

[0051] Please see Figure 1 and Figure 2 In an embodiment of this utility model, a splicing component 110 is provided with multiple tenons 121 and multiple mortises 122. Thus, the arrangement of multiple tenons 121 and mortises 122 is beneficial to improving the connection stability and reliability of adjacent splicing components 110.

[0052] In one embodiment, the tenons 121 are all the same size. It is understood that the first splice 110 has multiple tenons 121, and these multiple tenons 121 are all the same size, that is, the width of the multiple tenons 121 is the same. Thus, the multiple tenons 121 on the first splice 110 are of the same size, simplifying the processing of the first splice 110. Similarly, the tenons 121 on the first splice 110 need to connect with the mortises 122 on the second splice 110. Therefore, the multiple mortises 122 on the second splice 110 are of the same size, which facilitates the processing of the second splice 110.

[0053] In one embodiment, the mortises 122 are all the same size. It is understood that the first splice 110 has multiple mortises 122, and these mortises 122 are all the same size, meaning they have the same width. This consistency in size simplifies the processing of the first splice 110. Similarly, the mortises 122 on the first splice 110 need to connect with the tenons 121 on the second splice 110. Therefore, the tenons 121 on the second splice 110 are all the same size, which facilitates the processing of the second splice 110.

[0054] Furthermore, in one embodiment, the tenons 121 and mortises 122 on the first splicing member 110 are of the same size, thereby further improving the processing efficiency of the first splicing member 110 and the processing efficiency of each splicing member 110. In one embodiment, the tenons 121 and mortises 122 on the first splicing member 110 are of the same size, thereby further improving the processing efficiency of each splicing member 110.

[0055] Please see Figure 1 In embodiments of this invention, the compressor cover 100 is provided with a wire passage notch 151 for wiring harnesses to pass through; and / or, the compressor cover 100 is provided with a pipe passage notch 152 for pipes to pass through. It is understood that the compressor cover 100 is used to mount on the chassis 220, and the compressor cover 100 has a wire passage notch 151 at the end away from the chassis 220 for the wiring harness of the compressor 210 to pass through. The compressor cover 100 has a pipe passage notch 152 at the end near the chassis 220 for the various pipes of the compressor 210 to pass through.

[0056] In one embodiment, the entire noise reduction structure encloses the compressor 210 and piping. Except for the wire passage notch 151 and the pipe passage notch 152 for the piping and wires to pass through, the rest is a solid structure. The high sealing feature can reduce the sound leakage area, avoid sound energy leakage and diffraction, and greatly improve the noise reduction effect.

[0057] Please see Figure 1 and Figure 2 This utility model also proposes an air conditioner, which includes a chassis 220, a compressor 210, and a noise reduction structure. The specific structure of the noise reduction structure is as described in the above embodiments. Since this air conditioner adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here. The compressor 210 is mounted on the chassis 220; the compressor 210 is covered by a receiving cavity 130, and the compressor cover 100 is connected to the chassis 220.

[0058] Understandably, the chassis 220 is used for mounting the compressor housing 100. Generally, the chassis 220 is made of plastic. The plastic chassis 220 can prevent and reduce the downward transmission of noise, thereby helping to reduce the operating vibration noise of the compressor 210 and improving the user comfort of the air conditioner.

[0059] In an embodiment of this utility model, the chassis 220 is provided with a first mounting groove (not shown), and the end of the compressor cover 100 facing the chassis 220 is provided with a tenon 121, which is installed in the first mounting groove. Thus, each of the multiple splicing parts 110 has a tenon 121 at its end facing the chassis 220, and the chassis 220 has multiple first mounting grooves at corresponding positions. A tenon 121 is inserted into a first mounting groove, thereby achieving the connection between the compressor cover 100 and the chassis 220. This simplifies the connection method between the compressor cover 100 and the chassis 220 and helps improve the assembly efficiency of the compressor cover 100 and the chassis 220.

[0060] Please see Figure 2 In an embodiment of this utility model, a buffer pad 230 is also provided on the chassis 220, and a second mounting groove 231 is provided on the buffer pad 230. The tenon 121 passes through the second mounting groove 231 and is embedded in the first mounting groove.

[0061] Understandably, the lower end of the compressor housing 100 has an opening, and the noise reduction structure also includes a buffer pad 230 disposed at the opening. The buffer pad 230 is made of an elastic element and is used for mounting the compressor 210. Thus, the provision of the elastic element helps reduce the transmission of vibration from the compressor 210 to the outside. In one embodiment, the buffer pad 230 is made of rubber. However, this design is not limited to this; in other embodiments, the buffer pad 230 can also be made of silicone or the like. Furthermore, the buffer pad 230 disposed between the chassis 220 and the compressor 210 also helps prevent the generation of collision vibration noise between the compressor housing 100 and the chassis 220.

[0062] In the solution shown in the figure of this utility model, the buffer pad 230 is provided with a second mounting groove 231 corresponding to the tenon 121. When the compressor cover 100 is installed on the chassis 220, the tenon 121 on the compressor cover 100 passes through the second mounting groove 231 and is inserted into the first mounting groove. In this way, the connection reliability of the compressor cover 100, the buffer pad 230 and the chassis 220 is improved, and the transmission of vibration outward and downward is further reduced.

[0063] In an embodiment of this utility model, the compressor cover 100 and the chassis 220 are also connected by a screw fastening structure. This screw fastening structure further improves the connection stability between the compressor cover 100 and the chassis 220. More specifically, in one embodiment, a first mounting hole (not shown) is provided on the first side panel, and a first through hole (not shown) is adapted to be provided on the chassis 220. A connector passes through the first mounting hole and the first through hole to connect the first side panel and the chassis 220; a second mounting hole (not shown) is provided on the second side panel, and a second through hole (not shown) is adapted to be provided on the chassis 220. A connector passes through the second mounting hole and the second through hole to connect the second side panel and the chassis 220. Thus, the compressor cover 100 is limited vertically by two connectors. The connectors can be screws, bolts, etc. Of course, in other embodiments, the connection stability between the compressor cover 100 and the chassis 220 can be further enhanced by increasing the number of connectors.

[0064] In one embodiment, the air conditioner further includes a duct housing (not shown) mounted on the chassis 220. The duct housing is arranged side-by-side with the compressor cover 100 and is connected to a splice 110. In one embodiment, the duct housing is connected to the splice 110 of the side panel. Compared to connecting the duct housing to the top cover, connecting the duct housing to the splice 110 of the side panel improves the connection stability between the duct housing and the compressor cover 100. In one embodiment, the duct housing and the splice 110 of the side panel are detachably connected, thereby facilitating the inspection, maintenance, and replacement of the duct housing, the compressor cover 100, and the compressor 210.

[0065] In one embodiment, a limiting bolt (not shown) is provided on the duct shell, and a limiting hole (not shown) is provided on the splicing component 110. The limiting bolt passes through the limiting hole to connect the duct shell and the splicing component 110. When connecting the duct shell and the splicing component 110, the limiting hole is fitted outside the limiting bolt, thereby fixing the splicing component 110 to the duct shell. The limiting bolt, as the main load-bearing structure, can limit the compressor cover 100 in the front-back and left-right directions.

[0066] In one embodiment, the duct housing has a first connecting hole (not shown) near the limiting bolt, and the splicing member 110 has a second connecting hole (not shown) near the limiting hole. A connector passes through the first and second connecting holes to connect the duct housing and the splicing member 110. Specifically, to improve the connection reliability between the duct housing and the compressor cover 100, a first connecting hole is provided near the limiting bolt on the duct housing, and a second connecting hole is provided near the limiting hole on the splicing member 110. The position of the second connecting hole corresponds to the first connecting hole. A connector, such as a bolt, passes through the first and second connecting holes in sequence, thereby connecting the duct housing and the splicing member 110 together, thus improving the limiting stability of the compressor cover 100 in the front-back and left-right directions.

[0067] In one embodiment, the air conditioner further includes an indoor unit, an outdoor unit, and a flexible connection assembly. The flexible connection assembly connects the indoor unit and the outdoor unit. This air conditioner can be a split-type air conditioner that facilitates individual installation by the user. It uses flexible refrigerant pipes to connect the indoor heat exchanger of the indoor unit and the outdoor heat exchanger of the outdoor unit, and refrigerant is injected into the refrigerant circuit before the equipment leaves the factory. Thus, when the user installs the equipment themselves, they only need to fix the indoor and outdoor units separately, without needing to assemble refrigerant pipes or add refrigerant, thereby reducing installation difficulty and enabling individual installation.

[0068] In one embodiment, the outdoor unit of the air conditioner is mounted on the mounting medium via a mounting bracket, and the compressor 210 of the air conditioner is located in the indoor unit of the air conditioner. This reduces the weight that the mounting bracket needs to bear, thereby reducing the risk of the mounting bracket falling off.

[0069] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A noise reduction structure, characterized by, include: The compressor cover includes multiple splicing components, which are connected by a tenon joint structure to form a receiving cavity for accommodating the compressor. The tenon joint structure includes a mortise and tenon on the splicing components, and the tenon on an adjacent splicing component is inserted into the mortise on an adjacent splicing component.

2. The noise reduction structure of claim 1, wherein, There is an assembly gap between the tenon on one adjacent splice and the matching mortise on another adjacent splice.

3. The noise reduction structure of claim 2, wherein, The assembly gap is less than or equal to 0.5 mm.

4. The noise reduction structure of claim 1, wherein, The width of the tenon is greater than or equal to 10 mm; and / or The tenon joint is configured as a comb tenon or a dovetail tenon.

5. The noise reduction structure of claim 1, wherein, The splicing component is provided with a plurality of tenons and a plurality of mortises; The tenons described are of the same size; and / or the mortises described are of the same size.

6. The noise reduction structure of claim 1, wherein, The compressor housing is provided with a wire pass-through notch for the wire harness to pass through; and / or The compressor housing has a pipe notch for pipes to pass through.

7. The noise reduction structure of claim 1, wherein The compressor cover includes a cover body and a sound insulation layer connected together, with the sound insulation layer located inside the cover body.

8. An air conditioner characterized by comprising: include: Chassis; The compressor is mounted on the chassis. The noise reduction structure as described in any one of claims 1 to 7, wherein the compressor is covered by the receiving cavity cover, and the compressor cover is connected to the chassis.

9. The air conditioner of claim 8, wherein The chassis is provided with a first mounting groove, and the compressor cover is provided with a tenon at one end facing the chassis, and the tenon is installed in the first mounting groove.

10. The air conditioner of claim 9, wherein The chassis is also provided with a buffer pad, and the buffer pad is provided with a second mounting groove. The tenon passes through the second mounting groove and is embedded in the first mounting groove.

11. The air conditioner of claim 9, wherein The compressor cover and the chassis are also connected by a screw fastening structure.

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