WO2024008002A1 - 包覆体、压缩机和车辆 - Google Patents

包覆体、压缩机和车辆 Download PDF

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Publication number
WO2024008002A1
WO2024008002A1 PCT/CN2023/104945 CN2023104945W WO2024008002A1 WO 2024008002 A1 WO2024008002 A1 WO 2024008002A1 CN 2023104945 W CN2023104945 W CN 2023104945W WO 2024008002 A1 WO2024008002 A1 WO 2024008002A1
Authority
WO
WIPO (PCT)
Prior art keywords
covering
end surface
mating end
cladding
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/104945
Other languages
English (en)
French (fr)
Inventor
李焕
艾力
田丽娟
罗国峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to EP23834769.4A priority Critical patent/EP4553318A4/en
Publication of WO2024008002A1 publication Critical patent/WO2024008002A1/zh
Priority to US19/006,594 priority patent/US20250135846A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3229—Cooling devices using compression characterised by constructional features, e.g. housings, mountings, conversion systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F04B53/002—Noise damping by encapsulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/006—Noise reduction

Definitions

  • the present disclosure relates to the technical field of compressors, and in particular, to a covering body, a compressor and a vehicle.
  • the automobile air conditioning system is one of the components that causes significant noise.
  • the compressor is the main source of motivation for NVH in automotive air conditioners. How to effectively solve compressor NVH is one of the keys.
  • the uncomfortable sound band generated by the compressor outside the car when it is working is mainly concentrated in the middle and high frequencies (above 1000Hz).
  • the acoustic package has a very good noise reduction effect on the noise in this frequency band.
  • the acoustic package design can greatly improve the noise reduction. amount of noise.
  • the existing acoustic package design for vehicle air-conditioning compressors whether it is a single-layer structure or a multi-layer structure, is divided into upper and lower parts or left and right parts, and the joint is a planar structure. This kind of structure cannot be completely attached during the actual installation process. If combined, gaps will inevitably occur and the noise reduction effect will be limited.
  • the present disclosure aims to solve at least one of the technical problems existing in the prior art.
  • one object of the present disclosure is to provide a covering body that can effectively absorb or isolate the noise generated by the compressor.
  • the present disclosure also proposes a compressor having the above-mentioned covering body.
  • the present disclosure also proposes a vehicle having the above compressor.
  • the covering body according to the present disclosure is applied to a compressor.
  • the compressor includes: a compressor controller and a compressor body.
  • the compressor controller is disposed on the compressor body.
  • the covering body at least partially covers the compressor. Describe the compressor controller.
  • At least part of the compressor controller can be covered, thereby effectively absorbing or isolating the noise generated by the compressor, and greatly improving the noise reduction capability.
  • the covering body is configured as a one-piece molded part.
  • the covering body includes: a first covering part and a second covering part, and the first covering part The covering portion and the second covering portion define a receiving cavity, and the compressor controller is at least partially received in the receiving cavity.
  • the first cladding part and the second cladding part define different volumes.
  • the opening of the first covering part and the opening of the second covering part are opposite to each other, and the first covering part and the second covering part are against each other. catch.
  • the first covering part and the second covering part are provided with first mating end surfaces and second mating end surfaces that cooperate with each other, and the first mating end surfaces are provided with a third A protruding part, the second mating end surface is provided with a first recessed part mated with the first protruding part.
  • both the first protruding portion and the first recessed portion are configured in plurality, and the plurality of first protruding portions are spaced apart in the thickness direction of the covering body. , the plurality of first recessed portions are spaced apart in the thickness direction of the covering body.
  • the first protrusion has a cross-section configured as a rectangle, a triangle, or a semicircle.
  • the height of the first protrusion protruding from the first mating end surface is h, and h satisfies: h ⁇ 4 mm.
  • the covering body includes a first covering layer and a second covering layer, the first covering layer covers the compressor controller, and the second covering layer covers The first coating layer.
  • the hardness of the second coating layer is greater than the hardness of the first coating layer, and the thickness of the second coating layer is smaller than the thickness of the first coating layer.
  • the first coating layer includes a third coating part and a fourth coating part, and the third coating part and the fourth coating part are provided with mating The third mating end surface and the fourth mating end surface.
  • the second coating layer includes a fifth coating part and a sixth coating part, and the fifth coating part and the sixth coating part are provided with mutually matching The fifth mating end surface and the sixth mating end surface.
  • the mating surface of the third cladding part and the fourth cladding part does not coincide with the mating surface of the fifth cladding part and the sixth cladding part.
  • the mating surface of the third mating end surface and the fourth mating end surface has a first mating surface
  • the fifth mating end surface and the sixth mating end surface have a second mating surface
  • the distance between the first mating surface and the second mating surface is d0, and the d0 satisfies: d0 ⁇ 4mm.
  • two parallel first mating sections are provided between the third mating end surface and the fourth mating end surface, and between the fifth mating end surface and the sixth mating end surface
  • Two parallel second matching sections are provided, and the two first matching sections and the two second matching sections are respectively located on the outer peripheral wall of the first cladding layer and the outer circumference of the second cladding layer. wall, any one of the first matching sections and any one of the second matching sections are parallel to each other;
  • the distance between the first fitting section and the second fitting section on the same side is d1, and d1 satisfies: d1 ⁇ 4mm.
  • the fifth covering part and/or the sixth covering part are provided with a flange covering the outer edges of the fifth mating end surface and the sixth mating end surface. part, the width of the flanging part is d2, and the d2 satisfies: d2 ⁇ 4mm.
  • the first cladding layer is constructed as multiple layers, and a plurality of the first cladding layers are stacked on each other in the thickness direction; or/and the second cladding layer is There are multiple layers, and a plurality of the second coating layers are stacked on each other in the thickness direction.
  • an intermediate layer is provided between the first cladding layer and the second cladding layer.
  • a compressor includes the above-mentioned covering body.
  • a vehicle includes the above compressor.
  • Figure 1 is a schematic diagram of a covering body in one direction according to a first embodiment of the present disclosure
  • Figure 2 is a partially enlarged schematic diagram of A circled in Figure 1;
  • Figure 3 is a schematic diagram of a covering body in one direction according to a second embodiment of the present disclosure.
  • Figure 4 is a partially enlarged schematic diagram of B circled in Figure 3;
  • Figure 5 is a cross-sectional view of the first cladding layer and the second cladding layer according to the third embodiment of the present disclosure
  • Figure 6 is an exploded view of a covering body according to a third embodiment of the present disclosure.
  • Figure 7 is a compressor according to an embodiment of the present disclosure.
  • Figure 8 is a vehicle according to an embodiment of the present disclosure.
  • Covering body 100 first covering part 101, first mating end surface 101a, first protruding part 101b, second covering part 102, the second mating end surface 102a, the first recessed portion 102b, and the accommodating cavity 108;
  • Vehicle 10000 compressor 1000; compressor controller 200, compressor body 300.
  • the covering body 100 can be applied to the compressor 1000.
  • the compressor 1000 includes a compressor controller 200 and a compressor body 300.
  • the compressor controller 200 serves as the main source of noise.
  • the covering body 100 can cover The entire compressor 1000 or at least the compressor controller 200 is covered.
  • the compressor controller 200 is disposed on the compressor body 300 , and the covering body 100 at least partially covers the compressor controller 200 . That is to say, the covering body 100 can cover the entire compressor controller 200 , or of course, can cover a part of the compressor controller 200 . As long as the covering body 100 covers the compressor controller 200 , Just reduce the noise generated by the compressor controller 200.
  • the covering body 100 According to the covering body 100 according to the embodiment of the present disclosure, at least part of the compressor controller 200 can be covered, thereby effectively absorbing or isolating the noise generated by the compressor 1000 and greatly improving the noise reduction capability.
  • the covering body 100 includes a first covering part 101 and a second covering part 102 .
  • the first covering part 101 and the second covering part 102 define a container.
  • the first covering part 101 and the second covering part 102 have a split structure. Since the covering body 100 is structured like a rotary body, the covering body 100 is divided into the first covering part 101 and the second covering part. 102 processing and then assembly, the installation efficiency of the covering body 100 on the compressor controller 200 can be greatly improved.
  • the volumes of the first covering part 101 and the second covering part 102 may be the same.
  • the first covering part 101 is one half of the covering body 100
  • the second covering part 102 is the other half of the covering body 100 . Therefore, the processing of the first covering part 101 and the second covering part 102 is easier. If the covering body 100 is a symmetrical rotary body, only one mold is needed to process the first covering part 101 and the second covering part 102 at the same time. Covering part 102.
  • the covering body 100 can also be constructed as an integrally molded part, so that the covering body 100 has a simple structure and is easier to produce and process, thus greatly improving the production efficiency of the covering body 100.
  • the covering body 100 Its own strength has also been improved to a certain extent.
  • the volumes defined by the first cladding part 101 and the second cladding part 102 can also be different, and the first cladding part 101 and the second cladding part 102 with different volumes can satisfy a variety of different manufacturing processes; Therefore, the first covering part 101 and the second covering part 102 with different volumes can be produced according to requirements.
  • the opening of the first covering part 101 and the opening of the second covering part 102 are facing each other, and at the same time, the open end of the first covering part 101 and the open end of the second covering part 102 cooperate with each other, that is, The first coating part 101 and the second coating The first covering portion 101 and the second covering portion 102 jointly define the accommodation cavity 108 .
  • the first covering part 101 and the second covering part 102 are provided with first mating end surfaces 101 a and second mating end surfaces 102 a that cooperate with each other.
  • the first mating end surface 101 a is provided with There is a first protruding part 101b, and the second fitting end surface 102a is provided with a first recessed part 102b that matches the first protruding part 101b.
  • the contact area between the first mating end surface 101a and the second mating end surface 102a is greatly increased, and the possibility of noise generated by the compressor controller 200 leaking from between the first mating end surface 101a and the second mating end surface 102a is reduced. sex.
  • each first protruding part 101b cooperates with a corresponding first recessed part 102b, and the plurality of first protruding parts 101b are spaced apart from each other; thus, When the plurality of first protruding portions 101b and the plurality of first recessed portions 102b are mated, parts of the first mating end surface 101a and parts of the second mating end surface 102a are interlaced to form a labyrinth-like staggered structure, thereby improving the first mating end surface.
  • the sealing performance between the first mating end surface 101a and the second mating end surface 102a greatly reduces the possibility that the noise generated by the compressor controller 200 leaks from between the first mating end surface 101a and the second mating end surface 102a.
  • the plurality of first protruding portions 101b are spaced apart in the thickness direction of the covering body 100, and the plurality of first recessed portions 102b are spaced apart in the thickness direction of the covering body 100.
  • the thickness direction of the covering body 100 is the inner and outer direction of the covering body 100 .
  • the plurality of first protruding portions 101 b are spaced apart in the thickness direction of the covering body 100 .
  • the plurality of first recessed portions 102 b are located on the covering body 100 The spacing in the thickness direction can effectively reduce the amount of noise generated by the compressor controller 200 in the cladding body 100 and transmitted to the outside of the cladding body 100 .
  • the cross section of the first protrusion 101b is configured to be rectangular, triangular, or semicircular.
  • the cross-sectional shape of the first protruding part 101b will directly or indirectly affect the sealing performance between the first mating end surface 101a and the second mating end surface 102a.
  • the first protruding part 101b with different cross-sectional shapes can be selected as needed. Or the first recessed portion 102b.
  • the height of the first protruding portion 101b protruding from the first mating end surface 101a is h, and h satisfies: h ⁇ 4mm.
  • the covering body 100 includes a first covering part 101 and a second covering part 102.
  • the first covering part 101 and the second covering part 102 define an accommodation cavity 108.
  • the compressor controller At least part of 200 is disposed within the receiving cavity 108 .
  • the first covering part 101 and the second covering part 102 have a split structure.
  • the first covering part 101 and the second covering part 102 have the same volume.
  • the first covering part 101 is one half of the covering body 100 and the second covering part 102 is the other half of the covering body 100 .
  • the covering body 100 may also be constructed as an integrally molded piece, and the volumes of the first covering part 101 and the second covering part 102 may also be different.
  • the thickness of the coating body 100 in this embodiment is smaller than the thickness of the coating body 100 in the first embodiment, and the hardness of the coating body 100 in this embodiment is greater than the hardness of the coating body 100 in the first embodiment.
  • the covering body in both the first embodiment and the second embodiment can be individually covered on the outside of the compressor 1000, and can also have the effect of reducing the noise of the compressor 1000.
  • the covering body 100 includes a first covering layer 110 and a second covering layer 120 .
  • the first covering layer 110 covers the compressor controller 200
  • the second covering layer 120 covers the first package. Cladding 110. That is to say, the covering body 100 may have a double-layer structure, and the first covering layer 110 and the second covering layer 120 may jointly reduce the noise generated by the compressor controller 200 .
  • the first coating layer 110 has the same structure as the coating body 100 in the first embodiment
  • the second coating layer 120 has the same structure as the coating body 100 in the second embodiment.
  • the hardness of the second coating layer 120 is greater than the hardness of the first coating layer 110 , and the thickness of the second coating layer 120 is smaller than the thickness of the first coating layer 110 .
  • the first coating layer 110 may be a sound-absorbing layer, and the second coating layer 120 may be a sound-insulating layer.
  • the material of the first coating layer 110 may be a flexible material, such as a sound-absorbing sponge, etc.
  • the second coating layer 120 Can be constructed as a rigid plastic layer. For double-layer and above cladding layers, when there is sound leakage from the inner layer structure, the outer layer structure can still play an effective sound insulation role.
  • the first coating layer 110 includes a third coating part 103 and a fourth coating part 104 .
  • the third coating part 103 and the fourth coating part 104 are A third mating end surface 103a and a fourth mating end surface 104a are provided that fit with each other. That is to say, the structure of the inner layer of the covering body 100 is also formed by the abutment of the two halves.
  • the third covering part 103 and the fourth covering part 104 are split structures.
  • the first covering layer 110 is configured as The structure is similar to a rotary body, so the first coating layer 110 is divided into the third coating part 103 and the fourth coating part 104 for processing and then assembly, which can greatly improve the installation of the first coating layer 110 on the compressor controller 200 installation efficiency.
  • the third mating end surface 103a is provided on the third covering part 103
  • the fourth mating end surface 104a is provided on the fourth covering part 104.
  • the third mating end surface 103a and the fourth mating end surface 104a fit together.
  • the mating surfaces of the third mating end surface 103a and the fourth mating end surface 104a may be flat surfaces, or may be concave and convex surfaces capable of fitting.
  • the second coating layer 120 includes a fifth coating part 105 and a sixth coating part 106.
  • the fifth coating part 105 and the sixth coating part 106 are provided with a fifth mating end surface 105a or a third mating end surface 105a that cooperates with each other.
  • Six mating end surfaces 106a that is to say, the structure of the inner layer of the covering body 100 is also formed by the abutment of the two halves.
  • the fifth covering part 105 and the sixth covering part 106 are split structures.
  • the second cladding layer 120 is divided into the fifth cladding part 105 and the sixth cladding part 106 for processing and then assembly, which can greatly improve the installation of the second cladding layer 120 on the first cladding layer 110 installation efficiency.
  • the fifth mating end surface 105a is provided on the fifth covering part 105
  • the sixth mating end surface 106a is provided on the sixth covering part 106.
  • the mating surface of the fifth mating end surface 105a or the sixth mating end surface 106a may be a flat surface, or may be a concave and convex surface capable of fitting.
  • the mating surfaces of the third cladding part 103 and the fourth cladding part 104 do not coincide with the mating surfaces of the fifth cladding part 105 and the sixth cladding part 106 . That is to say, the mating surfaces of the third cladding part 103 and the fourth cladding part 104 and the mating surfaces of the fifth cladding part 105 and the sixth cladding part 106 are staggered with each other. As shown in FIG. 6 , the mating surfaces of the third covering part 103 and the fourth covering part 104 are arranged horizontally, and the mating surfaces of the fifth covering part 105 and the sixth covering part 106 are arranged vertically.
  • the sound inside the first cladding layer 110 leaks from between the third cladding part 103 and the fourth cladding part 104 , it will not directly enter the fifth cladding part 105 and the sixth cladding part 106 The sound will be further consumed between the first coating layer 110 and the second coating layer 120 .
  • the fitting gap between the third covering part 103 and the fourth covering part 104 is not opposite to the fitting gap between the fifth covering part 105 and the sixth covering part 106.
  • the third covering part 103 and the fourth covering part 104 may be facing each other in the up-down direction, and the third mating end surface 103a and the fourth mating end surface 104a extend in the horizontal direction; the fifth covering part The portion 105 and the sixth covering portion 106 may be facing each other in the horizontal direction, and the fifth mating end surface 105a and the sixth mating end surface 106a extend in the vertical direction.
  • the third mating end surface 103a and the fourth mating end surface 104a have a first mating surface
  • the fifth mating end surface 105a and the sixth mating end surface 106a have a second mating surface
  • the first mating surface and the second mating surface are a first mating surface
  • the distance between the mating surfaces is d0, and d0 satisfies: d0 ⁇ 4mm.
  • the first mating surface refers to the contact mating surface between the third mating end surface 103a and the fourth mating end surface 104a
  • the second mating surface refers to the contact mating surface between the fifth mating end surface 105a and the sixth mating end surface 106a.
  • the distance between the first mating surface and the second mating surface refers to the distance between any point on the first mating surface and any point on the second mating surface.
  • two parallel first matching sections are provided between the third mating end surface 103a and the fourth mating end surface 104a, and between the fifth mating end surface 105a and the sixth mating end surface 106a
  • the two first matching sections and the two second matching sections are respectively located on the outer peripheral wall of the first cladding layer 110 and the outer peripheral wall of the second cladding layer 120.
  • Any first matching section The first matching segment and any second matching segment are parallel to each other; the distance between the first matching segment and the second matching segment on the same side is d1, and d1 satisfies: d1 ⁇ 4mm.
  • the fifth cladding part 105 or/and the sixth cladding part 106 is provided with an outer edge covering the fifth mating end surface 105a and the sixth mating end surface 106a.
  • the width of the flange part 107 is d2, and d2 satisfies: d2 ⁇ 4mm. Therefore, the fifth coating part 105 and the sixth coating part can be connected through the flange part 107
  • the sealing gap between the parts 106 further improves the noise reduction effect of the covering body 100 .
  • an intermediate layer is provided between the first cladding layer 110 and the second cladding layer 120 . That is to say, the first cladding layer 110 , the intermediate layer and the second cladding layer 120 are configured like a sandwich structure, and the intermediate layer is sandwiched between the first cladding layer 110 and the second cladding layer 120 .
  • the material of the middle layer can be the same as the material of the first cladding layer 110 , and of course can also be the same as the material of the second cladding layer 120 .
  • the middle layer can be configured as a sound-absorbing layer to absorb the sound that is not absorbed by the first cladding layer 110 . The sound is further attenuated; the middle layer can also be constructed as a sound insulation layer.
  • the leaked sound can be blocked by the middle layer first, and then the sound leaked from the middle layer can be blocked. It needs to be further blocked by the second coating layer 120 . Therefore, even if the sound is not completely absorbed and dissipated by the first coating layer 110, the leaked sound can be blocked by the intermediate layer or consume energy, thereby further increasing the sound attenuation and sound insulation effect of the coating body 100.
  • the compressor 1000 of the embodiment of the present disclosure will be briefly described below with reference to FIG. 7 .
  • the compressor 1000 according to the embodiment of the present disclosure includes the above-mentioned covering body 100. Since the compressor 1000 according to the present disclosure is provided with the above-mentioned covering body 100, the noise amount of the compressor 1000 can be greatly reduced and the safety of the vehicle 10000 can be improved. NVH performance.
  • the vehicle 10000 according to the embodiment of the present disclosure will be briefly described below with reference to FIG. 8 .
  • the vehicle 10000 according to the embodiment of the present disclosure includes the above-mentioned compressor 1000. Since the vehicle 10000 according to the embodiment of the present disclosure is provided with the above-mentioned compressor 1000, the noise of the compressor 1000 is significantly controlled, so the NVH performance of the entire vehicle is improved. Improvement has improved the overall quality of the vehicle by 10,000.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Compressor (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

一种车辆，具有包覆体，所述包覆体应用于压缩机，所述压缩机包括：压缩机控制器和压缩机本体，所述压缩机控制器设置于压缩机本体，所述包覆体至少部分包覆所述压缩机控制器。

Description

包覆体、压缩机和车辆
相关申请的交叉引用
本公开要求申请日为2022年07月05日、申请号为2022217350426、专利申请名称为“包覆体、压缩机和车辆”的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及压缩机技术领域，尤其是涉及一种包覆体、压缩机和车辆。
背景技术
近年来，随着新能源汽车的普及，人们对汽车的舒适性和振动噪声的要求越来越高，新能源汽车与传统燃油车相比，少了发动机的声音，这对NVH性能提出了更高的要求。在汽车噪声产生的诸多部位中，汽车空调系统是引起重大噪声的部件之一。压缩机作为汽车空调NVH的主要激励源，如何有效解决压缩机NVH是其中的关键之一。压缩机工作时在车外产生的噪音令人不适的声音频段主要集中在中高频(1000Hz以上)，声学包对此频段的噪声有非常好的降噪效果，可以通过声学包设计极大地提高降噪量。
现有的车用空调压缩机用声学包设计，无论是单层结构还是多层结构，均分为上下或左右两部分，结合处为平面结构，该种结构在实际安装过程中不可能完全贴合，必然会产生缝隙，降噪效果有限。
发明内容
本公开旨在至少解决现有技术中存在的技术问题之一。为此，本公开的一个目的在于提出一种包覆体，该包覆体可以有效吸收或者隔绝压缩机产生的噪声。
本公开还提出了一种具有上述包覆体的压缩机。
本公开还提出了一种具有上述压缩机的车辆。
根据本公开的包覆体，应用于压缩机，所述压缩机包括：压缩机控制器和压缩机本体，所述压缩机控制器设置于压缩机本体，所述包覆体至少部分包覆所述压缩机控制器。
根据本公开的包覆体，可以将压缩机控制器的至少部分包覆，从而有效吸收或者隔绝压缩机产生的噪声，极大地提升了降噪能力。
在本公开的一个实施例中，所述包覆体构造为为一体成型件。
在本公开的一个实施例中，所述包覆体包括：第一包覆部和第二包覆部，所述第一包 覆部和所述第二包覆部限定出容置腔，所述压缩机控制器至少部分容置于所述容置腔。
在本公开的一个实施例中，所述第一包覆部和所述第二包覆部限定的容积不同。
在本公开的一个实施例中，所述第一包覆部的敞开口和所述第二包覆部的敞开口彼此正对，所述第一包覆部和所述第二包覆部抵接。
在本公开的一个实施例中，所述第一包覆部和所述第二包覆部上设置有彼此配合的第一配合端面和第二配合端面，所述第一配合端面上设置有第一凸起部，所述第二配合端面上设置有与所述第一凸起部配合的第一凹陷部。
在本公开的一个实施例中，所述第一凸起部和所述第一凹陷部均构造为多个，多个所述第一凸起部在所述包覆体的厚度方向上间隔开，多个所述第一凹陷部在所述包覆体的厚度方向上间隔开。
在本公开的一个实施例中，所述第一凸起部的横截面构造为矩形、三角形或半圆形。
在本公开的一个实施例中，所述第一凸起部凸出所述第一配合端面的高度为h，所述h满足：h≥4mm。
在本公开的一个实施例中，所述包覆体包括第一包覆层和第二包覆层，第一包覆层包覆所述压缩机控制器，所述第二包覆层包覆所述第一包覆层。
在本公开的一个实施例中，所述第二包覆层的硬度大于所述第一包覆层的硬度，所述第二包覆层的厚度小于所述第一包覆层的厚度。
在本公开的一个实施例中，所述第一包覆层包括第三包覆部和第四包覆部，所述第三包覆部和所述第四包覆部上设置有彼此配合的第三配合端面和第四配合端面。
在本公开的一个实施例中，所述第二包覆层包括第五包覆部和第六包覆部，所述第五包覆部和所述第六包覆部上设置有彼此配合的第五配合端面和第六配合端面。
在本公开的一个实施例中，所述第三包覆部和第四包覆部的配合面与所述第五包覆部和所述第六包覆部的配合面不重合。
在本公开的一个实施例中，所述第三配合端面或所述第四配合端面与所述第五配合端面或所述第六配合端面之间具有夹角α，且所述α满足：0°＜α≤90°。
在本公开的一个实施例中，所述第三配合端面和所述第四配合端面的配合面具有第一配合面，所述第五配合端面和所述第六配合端面具有第二配合面，所述第一配合面和所述第二配合面之间的距离为d0，所述d0满足：d0≥4mm。
在本公开的一个实施例中，所述第三配合端面与所述第四配合端面之间设置有两个平行的第一配合段，所述第五配合端面与所述第六配合端面之间设置有两个平行的第二配合段，两个所述第一配合段和两个所述第二配合段分别位于所述第一包覆层的外周壁和所述第二包覆层的外周壁，任意一个所述第一配合段和任意一个所述第二配合段彼此平行；其 中同侧的所述第一配合段和所述第二配合段之间的距离为d1，所述d1满足：d1≥4mm。
在本公开的一个实施例中，所述第五包覆部或/和所述第六包覆部上设置有将所述第五配合端面和所述第六配合端面的外边沿覆盖的翻边部，所述翻边部的宽度为d2，所述d2满足：d2≥4mm。
在本公开的一个实施例中，所述第一包覆层构造为多层，且多个所述第一包覆层在厚度方向上彼此叠置；或/和所述第二包覆层为多层，且多个所述第二包覆层在厚度方向上彼此叠置。
在本公开的一个实施例中，所述第一包覆层和第二包覆层之间设置有中间层。
一种压缩机，包括上述的包覆体。
一种车辆，包括上述的压缩机。
本公开的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本公开第一实施例的包覆体的一个方向的示意图；
图2是图1圈示A的局部放大示意图；
图3是根据本公开第二实施例的包覆体的一个方向的示意图；
图4是图3圈示B的局部放大示意图；
图5是根据本公开第三实施例的第一包覆层和第二包覆层的剖面图；
图6是根据本公开第三实施例的包覆体的爆炸图；
图7是根据本公开实施例的压缩机；
图8是根据本公开实施例的车辆。
附图标记：
包覆体100，第一包覆部101，第一配合端面101a，第一凸起部101b，第二包覆部102，
第二配合端面102a，第一凹陷部102b，容置腔108；
第一包覆层110，第三包覆部103，第三配合端面103a，第四包覆部104，第四配合端
面104a；
第二包覆层120，第五包覆部105，第五配合端面105a，第六包覆部106，第六配合端
面106a，翻边部107；
车辆10000；压缩机1000；压缩机控制器200，压缩机本体300。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本公开，而不能理解为对本公开的限制。
根据本公开实施例的包覆体100可以应用于压缩机1000，压缩机1000包括压缩机控制器200和压缩机本体300，压缩机控制器200作为噪声的主要来源，包覆体100可以包覆整个压缩机1000或者至少将压缩机控制器200包覆。
具体地，压缩机控制器200设置于压缩机本体300，包覆体100至少部分包覆压缩机控制器200。也就是说，包覆体100可以将压缩机控制器200全部包覆，当然也可以将压缩机控制器200的一部分包覆，只要包覆体100包覆在压缩机控制器200上时，可以降低压缩机控制器200产生的噪音即可。
根据本公开实施例的包覆体100，可以将压缩机控制器200的至少部分包覆，从而有效吸收或者隔绝压缩机1000产生的噪声，极大地提升了降噪能力。
第一实施例
在本实施例中，如图1-图2所示，包覆体100包括第一包覆部101和第二包覆部102，第一包覆部101和第二包覆部102限定出容置腔108，压缩机控制器200的至少部分设置在容置腔108内。第一包覆部101和第二包覆部102为分体式结构，由于包覆体100构造为类似回转体的结构，因此将包覆体100分成第一包覆部101和第二包覆部102加工，然后装配，可以大大提升包覆体100安装在压缩机控制器200上的安装效率。
第一包覆部101和第二包覆部102的容积可以相同，第一包覆部101为包覆体100的一个半体，第二包覆部102为包覆体100的另一个半体，由此第一包覆部101和第二包覆部102的加工更容易些，若包覆体100为对称的回转体，只需要一个模具就可以同时加工第一包覆部101和第二包覆部102。
需要说明的是，包覆体100也可构造为一体成型件，由此包覆体100的结构简单，生产和加工更加容易，从而大大提升了包覆体100的生产效率，另外包覆体100自身的强度也得到了一定程度的提升。
需要说明的是，第一包覆部101和第二包覆部102限定的容积也可以不同，容积不同的第一包覆部101和第二包覆部102可以满足多种不同的制造工艺；因此可以根据需求来制作容积不同的第一包覆部101和第二包覆部102。
进一步地，第一包覆部101的敞开口和第二包覆部102的敞开口彼此正对，同时第一包覆部101的敞开端和第二包覆部102的敞开端彼此配合，即第一包覆部101和第二包覆 部102抵接，从而第一包覆部101和第二包覆部102共同限定出容置腔108。
在本实施例中，如图2所示，第一包覆部101和第二包覆部102上设置有彼此配合的第一配合端面101a和第二配合端面102a，第一配合端面101a上设置有第一凸起部101b，第二配合端面102a上设置有与第一凸起部101b配合的第一凹陷部102b。由此，大大提升了第一配合端面101a和第二配合端面102a之间的接触面积，降低了压缩机控制器200产生的噪声从第一配合端面101a和第二配合端面102a之间泄露的可能性。
第一凸起部101b和第一凹陷部102b可以均为多个，每个第一凸起部101b与对应的第一凹陷部102b配合，多个第一凸起部101b彼此间隔开；从而在多个第一凸起部101b和多个第一凹陷部102b配合时，第一配合端面101a的部分和第二配合端面102a的部分犬齿交错、形成类似迷宫的交错结构，提升了第一配合端面101a和第二配合端面102a之间的密封性能，大大降低了压缩机控制器200产生的噪声从第一配合端面101a和第二配合端面102a之间泄露的可能性。
可以理解的是，多个第一凸起部101b在包覆体100的厚度方向上间隔开，多个第一凹陷部102b在包覆体100的厚度方向上间隔开。包覆体100的厚度方向即为包覆体100的内外方向，多个第一凸起部101b在包覆体100的厚度方向上间隔开，多个第一凹陷部102b在包覆体100的厚度方向上间隔开，可以有效降低包覆体100内的压缩机控制器200产生的噪音传递到包覆体100外的噪声量。
具体地，第一凸起部101b的横截面构造为矩形、三角形或半圆形。第一凸起部101b的横截面形状会直接或间接地影响到第一配合端面101a和第二配合端面102a之间的密封性能，可以根据需要来选择横截面形状不同的第一凸起部101b或第一凹陷部102b。
在本实施例中，如图2所示，第一凸起部101b凸出第一配合端面101a的高度为h，所述h满足：h≥4mm。发明人经过多次试验后得出，在h≥4mm时，降噪效果可以至少提升2dB以上。
第二实施例
参见图3-图4，包覆体100包括第一包覆部101和第二包覆部102，第一包覆部101和第二包覆部102限定出容置腔108，压缩机控制器200的至少部分设置在容置腔108内。第一包覆部101和第二包覆部102为分体式结构。第一包覆部101和第二包覆部102的容积相同，第一包覆部101为包覆体100的一个半体，第二包覆部102为包覆体100的另一个半体。
需要说明的是，在本实施例中，包覆体100也可构造为一体成型件，第一包覆部101和第二包覆部102的容积也可以不同。本实施例中的包覆体100的厚度小于第一实施例中包覆体100的厚度，本实施例中包覆体100的硬度大于第一实施例中包覆体100的硬度。
需要说明的是，第一实施例和第二实施例中的包覆体均可单独包覆在压缩机1000的外部，也可起到降低压缩机1000噪声的效果。
第三实施例
如图6所示，包覆体100包括第一包覆层110和第二包覆层120，第一包覆层110包覆压缩机控制器200，第二包覆层120包覆第一包覆层110。也就是说，包覆体100可以为双层结构，第一包覆层110和第二包覆层120可以共同降低压缩机控制器200产生的噪声。第一包覆层110和第一实施例中的包覆体100的结构相同，第二包覆层120和第二实施例中的包覆体100的结构相同。
进一步地，第二包覆层120的硬度大于第一包覆层110的硬度，第二包覆层120的厚度小于第一包覆层110的厚度。第一包覆层110可以为吸声层，第二包覆层120为隔声层，第一包覆层110的材质可以为柔性材质，例如可以为吸声海绵等，第二包覆层120可以构造为硬质的塑料层。对于双层及以上的包覆层，当内层结构有声音泄漏时，外层结构仍能起到有效的隔声作用。
在本实施例中，如图5-图6所示，第一包覆层110包括第三包覆部103和第四包覆部104，第三包覆部103和第四包覆部104上设置有彼此配合的第三配合端面103a和第四配合端面104a。也就是说，包覆体100中内侧一层的结构也是两半部分抵接配合形成，第三包覆部103和第四包覆部104为分体式结构，由于第一包覆层110构造为类似回转体的结构，因此将第一包覆层110分成第三包覆部103和第四包覆部104加工，然后装配，可以大大提升第一包覆层110安装在压缩机控制器200上的安装效率。具体而言，第三配合端面103a设置在第三包覆部103上，第四配合端面104a设置在第四包覆部104上。在装配第三包覆部103和第四包覆部104时，第三配合端面103a和第四配合端面104a贴合。可选地，第三配合端面103a和第四配合端面104a的配合面可以是平面，也可以是能够嵌合的凹凸面。
进一步地，第二包覆层120包括第五包覆部105和第六包覆部106，第五包覆部105和第六包覆部106上设置有彼此配合的第五配合端面105a或第六配合端面106a。也就是说，包覆体100中内侧一层的结构也是两半部分抵接配合形成，第五包覆部105和第六包覆部106为分体式结构，由于第二包覆层120构造为类似回转体的结构，因此将第二包覆层120分成第五包覆部105和第六包覆部106加工，然后装配，可以大大提升第二包覆层120安装在第一包覆层110上的安装效率。具体而言，第五配合端面105a设置在第五包覆部105上，第六配合端面106a设置在第六包覆部106上。在装配第五包覆部105和第六包覆部106时，第五配合端面105a或第六配合端面106a贴合。可选地，第五配合端面105a或第六配合端面106a的配合面可以是平面，也可以是能够嵌合的凹凸面。
在本实施例中，如图5-图6所示，第三包覆部103和第四包覆部104的配合面与第五包覆部105和第六包覆部106的配合面不重合。也就是说，第三包覆部103和第四包覆部104的配合面与第五包覆部105和第六包覆部106的配合面彼此交错开。如图6所示，第三包覆部103和第四包覆部104的配合面水平设置，第五包覆部105和第六包覆部106的配合面竖直设置。因此，即使第一包覆层110内部的声音从第三包覆部103和第四包覆部104之间泄露出去，也不会直接进入到第五包覆部105和第六包覆部106之间，声音会在第一包覆层110和第二包覆层120之间进一步被消耗。
在本公开的一些实施例中，第三配合端面103a或第四配合端面104a与第五配合端面105a或第六配合端面106a之间具有夹角α(图中未示出)，且所述α满足：0°＜α≤90°。也就是说，第三包覆部103和第四包覆部104之间的配合缝隙与第五包覆部105和第六包覆部106之间的配合缝隙并不相对，两个缝隙之间在周向上交错开，从而有效避免了压缩机控制器200的噪声从缝隙中直接传出。根据测试数据，该种方案降噪效果可以提升1dB以上。
例如，如图6所示，第三包覆部103和第四包覆部104可以在上下方向上正对，第三配合端面103a和第四配合端面104a在水平方向上延伸；第五包覆部105和第六包覆部106可以在水平方向上正对，第五配合端面105a和第六配合端面106a在竖直方向上延伸。
在本公开的一些实施例中，第三配合端面103a和第四配合端面104a具有第一配合面，第五配合端面105a和第六配合端面106a具有第二配合面，第一配合面和第二配合面之间的距离为d0，d0满足：d0≥4mm。需要说明的是，第一配合面是指第三配合端面103a和第四配合端面104a的接触配合面，第二配合面是指第五配合端面105a和第六配合端面106a的接触配合面，第一配合面和第二配合面之间的距离是指第一配合面上任意一点与第二配合面上任意一点之间的距离，发明人经过大量试验后并根据试验数据得出，在d0≥4mm时，降噪效果提升2dB以上。
在本实施例中，如图5所示，第三配合端面103a与第四配合端面104a之间设置有两个平行的第一配合段，第五配合端面105a与第六配合端面106a之间设置有两个平行的第二配合段，两个第一配合段和两个第二配合段分别位于第一包覆层110的外周壁和第二包覆层120的外周壁，任意一个第一配合段和任意一个第二配合段彼此平行；其中同侧的第一配合段和第二配合段之间的距离为d1，d1满足：d1≥4mm。发明人经过大量试验后并根据试验数据得出，在d1≥4mm时，降噪效果提升2dB以上。
在本公开的一些实施例中，如图4所示，第五包覆部105或/和第六包覆部106上设置有将第五配合端面105a和第六配合端面106a的外边沿覆盖的翻边部107，翻边部107的宽度为d2，d2满足：d2≥4mm。由此，可以通过翻边部107将第五包覆部105和第六包覆 部106之间的密封间隙止挡住，进一步提升了包覆体100的降噪效果。
根据本公开的一些实施例，第一包覆层110和第二包覆层120之间设置有中间层。也就是说，第一包覆层110、中间层以及第二包覆层120构造为类似三明治结构，中间层被夹设在第一包覆层110和第二包覆层120之间。中间层的材质可以与第一包覆层110的材质相同，当然也可以与第二包覆层120的材质相同，中间层可以构造为消声层，对第一包覆层110未被吸收的声音进一步消声；中间层也可以构造为隔音层，若第一包覆层110未能将声音完全吸收、消耗，泄露出来的声音可以首先被中间层阻隔，然后从中间层泄露出来的声音才需要继续被第二包覆层120进一步阻隔。由此，即使声音没有被第一包覆层110完全吸收消散，泄露出来的声音也可以被中间层阻挡或者消耗能量，从而进一步增加了包覆体100的消声隔音效果。
下面参照图7简单描述本公开实施例的压缩机1000。
根据本公开实施例的压缩机1000包括上述的包覆体100，由于根据本公开的压缩机1000设置有上述的包覆体100，因此可以大大降低压缩机1000的噪音量，提高了车辆10000的NVH的性能。
下面参照图8简单描述本公开实施例的车辆10000。
根据本公开实施例的车辆10000包括上述的压缩机1000，由于本公开实施例的车辆10000设置有上述的压缩机1000，因此压缩机1000的噪音得到了显著控制，因此整车的NVH性能得到了提升，提升了车辆10000的整体品质。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本公开的实施例，本领域的普通技术人员可以理解：在不脱离本公开的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本公开的范围由权利要求及其等同物限定。

Claims (22)

  1. 一种包覆体(100)，应用于压缩机(1000)，所述压缩机(1000)包括：压缩机控制器(200)和压缩机本体(300)，所述压缩机控制器(200)设置于所述压缩机本体(300)，其中，所述包覆体(100)至少部分包覆所述压缩机控制器(200)。
  2. 根据权利要求1所述的包覆体(100)，其中，所述包覆体(100)构造为一体成型件。
  3. 根据权利要求1所述的包覆体(100)，其中，所述包覆体(100)包括：第一包覆部(101)和第二包覆部(102)，所述第一包覆部(101)和所述第二包覆部(102)限定出容置腔(108)，所述压缩机控制器(200)至少部分容置于所述容置腔(108)。
  4. 根据权利要求3所述的包覆体(100)，其中，所述第一包覆部(101)和所述第二包覆部(102)限定的容积不同。
  5. 根据权利要求3或4所述的包覆体(100)，其中，所述第一包覆部(101)的敞开口和所述第二包覆部(102)的敞开口彼此正对，所述第一包覆部(101)和所述第二包覆部(102)抵接。
  6. 根据权利要求5所述的包覆体(100)，其中，所述第一包覆部(101)和所述第二包覆部(102)上设置有彼此配合的第一配合端面(101a)和第二配合端面(102a)，所述第一配合端面(101a)上设置有第一凸起部(101b)，所述第二配合端面(102a)上设置有与所述第一凸起部(101b)配合的第一凹陷部(102b)。
  7. 根据权利要求6所述的包覆体(100)，其中，所述第一凸起部(101b)和所述第一凹陷部(102b)均构造为多个，多个所述第一凸起部(101b)在所述包覆体(100)的厚度方向上间隔开，多个所述第一凹陷部(102b)在所述包覆体(100)的厚度方向上间隔开。
  8. 根据权利要求6或7所述的包覆体(100)，其中，所述第一凸起部(101b)的横截面构造为矩形、三角形或半圆形。
  9. 根据权利要求6-8中任一项所述的包覆体(100)，其中，所述第一凸起部(101b)凸出所述第一配合端面(101a)的高度为h，所述h满足：h≥4mm。
  10. 根据权利要求1、3-9中任一项所述的包覆体(100)，其中，所述包覆体(100)包括第一包覆层(110)和第二包覆层(120)，第一包覆层(110)包覆所述压缩机控制器(200)，所述第二包覆层(120)包覆所述第一包覆层(110)。
  11. 根据权利要求10所述的包覆体(100)，其中，所述第二包覆层(120)的硬度大于所述第一包覆层(110)的硬度，所述第二包覆层(120)的厚度小于所述第一包覆层(110)的厚度。
  12. 根据权利要求10或11所述的包覆体(100)，其中，所述第一包覆层(110)包括 第三包覆部(103)和第四包覆部(104)，所述第三包覆部(103)和所述第四包覆部(104)上设置有彼此配合的第三配合端面(103a)和第四配合端面(104a)。
  13. 根据权利要求12所述的包覆体(100)，其中，所述第二包覆层(120)包括第五包覆部(105)和第六包覆部(106)，所述第五包覆部(105)和所述第六包覆部(106)上设置有彼此配合的第五配合端面(105a)和第六配合端面(106a)。
  14. 根据权利要求13所述的包覆体(100)，其中，所述第三包覆部(103)和第四包覆部(104)的配合面与所述第五包覆部(105)和所述第六包覆部(106)的配合面不重合。
  15. 根据权利要求13或14所述的包覆体(100)，其中，所述第三配合端面(103a)或所述第四配合端面(104a)与所述第五配合端面(105a)或所述第六配合端面(106a)之间具有夹角α，且所述α满足：0°＜α≤90°。
  16. 根据权利要求13-15中任一项所述的包覆体(100)，其中，所述第三配合端面(103a)和所述第四配合端面(104a)具有第一配合面，所述第五配合端面(105a)和所述第六配合端面(106a)具有第二配合面，所述第一配合面和所述第二配合面之间的距离为d0，所述d0满足：d0≥4mm。
  17. 根据权利要求13或14所述的包覆体(100)，其中，所述第三配合端面(103a)与所述第四配合端面(104a)之间设置有两个平行的第一配合段，所述第五配合端面(105a)与所述第六配合端面(106a)之间设置有两个平行的第二配合段，两个所述第一配合段和两个所述第二配合段分别位于所述第一包覆层(110)的外周壁和所述第二包覆层(120)的外周壁，任意一个所述第一配合段和任意一个所述第二配合段彼此平行；其中同侧的所述第一配合段和所述第二配合段之间的距离为d1，所述d1满足：d1≥4mm。
  18. 根据权利要求13-17中任一项所述的包覆体(100)，其中，所述第五包覆部(105)或/和所述第六包覆部(106)上设置有将所述第五配合端面(105a)和所述第六配合端面(106a)的外边沿覆盖的翻边部(107)，所述翻边部(107)的宽度为d2，所述d2满足：d2≥4mm。
  19. 根据权利要求10-18中任一项所述的包覆体(100)，其中，所述第一包覆层(110)构造为多层，且多个所述第一包覆层(110)在厚度方向上彼此叠置；或/和所述第二包覆层(120)为多层，且多个所述第二包覆层(120)在厚度方向上彼此叠置。
  20. 根据权利要求10-19中任一项所述的包覆体(100)，其中，所述第一包覆层(110)和所述第二包覆层(120)之间设置有中间层。
  21. 一种压缩机(1000)，其中，包括权利要求1-20中任一项所述的包覆体(100)。
  22. 一种车辆(10000)，其中，包括权利要求21所述的压缩机(1000)。
PCT/CN2023/104945 2022-07-05 2023-06-30 包覆体、压缩机和车辆 Ceased WO2024008002A1 (zh)

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