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CN112781284A - Compressor liquid storage device, compressor and air conditioning system - Google Patents

Compressor liquid storage device, compressor and air conditioning system Download PDF

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Publication number
CN112781284A
CN112781284A CN201911082928.8A CN201911082928A CN112781284A CN 112781284 A CN112781284 A CN 112781284A CN 201911082928 A CN201911082928 A CN 201911082928A CN 112781284 A CN112781284 A CN 112781284A
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China
Prior art keywords
compressor
damping
storage device
liquid storage
vibration
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CN201911082928.8A
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Inventor
黄波
孟祥麒
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Shanghai Highly Electrical Appliances Co Ltd
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Shanghai Highly Electrical Appliances Co Ltd
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Priority to CN201911082928.8A priority Critical patent/CN112781284A/en
Publication of CN112781284A publication Critical patent/CN112781284A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006Accumulators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

The application provides a compressor liquid storage device, a compressor and an air conditioning system, wherein a damping piece made of damping alloy materials is arranged between a liquid storage device body and a hoop, so that the swing frequency of the liquid storage device body can be reduced, when the compressor operates under a stable working condition, the vibration damping piece is arranged on the liquid storage device body, so that the swing frequency response of the liquid storage device body can be reduced, and the rotary vibration of the liquid storage device body is improved, so that the torsional kinetic energy transmitted to the liquid storage device body due to the operation of the compressor is more dissipated, the vibration and the noise of the liquid storage device body caused by the vibration of the compressor are weakened, and the vibration and noise reduction effects are realized; and, set up the damping piece on the reservoir body, have simple structure, reasonable in operation, connect convenient, the vibration is little, characteristics that the noise is low, and the damping piece is with low costs, and the equipment is convenient, is convenient for the batch production of product to the market competition of product has been improved.

Description

Compressor liquid storage device, compressor and air conditioning system
Technical Field
The application relates to the technical field of compressors, in particular to a compressor liquid storage device, a compressor and an air conditioning system.
Background
In the prior art, a rotary compressor is generally used in an air conditioner, and when the rotary compressor is operated under a stable load condition, vibration is mainly rotary vibration, and the rotary motion of a compressor body may be transmitted to a reservoir through a reservoir bracket, a yoke, and a suction pipe, so that the rotary vibration and radiation noise of the reservoir are caused, and at the same time, vibration of a system pipe connected to the reservoir may be caused. When the natural frequency of the liquid storage device is the same as or close to the natural frequency of the liquid storage device under various excitation effects of the operation of the compressor, the structural resonance of the liquid storage device is easily caused to deteriorate noise, and a distribution pipe connected with the liquid storage device is broken by vibration in serious conditions so as to bring harm. Aiming at the possible situations, the vibration frequency of the liquid accumulator is changed by additionally attaching shockproof daub on the outer wall of the liquid accumulator to avoid resonance, but the scheme is difficult to accept by most air conditioner manufacturers due to the restriction of material cost, process manufacturing cost and the like, and is not beneficial to the quantitative promotion of products.
Disclosure of Invention
An object of the application is to provide a compressor reservoir, a compressor and an air conditioning system to reduce the vibration of the compressor reservoir.
The application provides a compressor reservoir, includes:
a reservoir body;
the hoop is arranged on the periphery of the liquid storage device body and is connected with the liquid storage device body;
one end of the bracket is fixed on the hoop, and the other end of the bracket is fixed on a compressor so as to connect the liquid storage device body with the compressor; and the number of the first and second groups,
the damping piece, the damping piece adopts damping alloy material to make, the damping piece sets up the reservoir body with between the clamp, in order to reduce the vibration of reservoir body.
Optionally, in the compressor reservoir, the damping piece is the damping gasket, the damping gasket with the face of reservoir body contact and with the face of clamp contact is the cambered surface, and two the camber of cambered surface all is less than the camber of reservoir body is greater than the camber of clamp.
Optionally, in the compressor reservoir, the damping alloy material is one of a complex phase type, a twin crystal type and a dislocation type.
Optionally, in the compressor reservoir, the damping piece with the one side of clamp contact is equipped with the recess, the edge of recess the ascending length in the axial of reservoir body is greater than the width of clamp, the recess is followed the radial ascending degree of depth of reservoir body is greater than the thickness of clamp.
Optionally, in the compressor reservoir, along the circumference of the reservoir body is provided with clamping grooves on two sides of the hoop, along the circumference of the reservoir body is provided with a protruding portion which is clamped with the clamping grooves in the groove.
Optionally, in the compressor liquid storage tank, the vibration damping piece is in a shape of a "C"; the opening of the C-shaped vibration damper faces the reservoir body.
Optionally, in the compressor reservoir, the clamp is made of a damping alloy material.
Optionally, in the compressor reservoir, the bracket is made of a damping alloy material.
In another aspect, the present application provides a compressor comprising the compressor accumulator described above.
In still another aspect, the present application further provides an air conditioning system including the compressor described above.
Compared with the prior art, the application provides a compressor reservoir, through the damping piece that sets up damping alloy material between reservoir body and clamp, can reduce the swing frequency of reservoir body, when the compressor moves under stable operating mode, through set up damping piece on the reservoir body, can make the swing frequency response of reservoir body can reduce, the rotary vibration of reservoir body obtains improving, thereby make because the operation of compressor and reach the torsional kinetic energy of reservoir body and obtain more dissipation, and then weakened because the vibration of compressor and the vibration and the noise of the reservoir body that causes, can work as under compressor moving various excitation like this, avoid causing the structure resonance of reservoir and worsen the noise, thereby still can shake disconnected general piping that links to each other with the reservoir and bring harm when serious. And, set up the damping piece on the reservoir body, have simple structure, reasonable in operation, connect convenient, the vibration is little, characteristics that the noise is low, and the damping piece is with low costs, and the equipment is convenient, is convenient for the batch production of product to the market competition of product has been improved.
Drawings
FIG. 1 is a front view of a compressor provided in an embodiment of the present application;
FIG. 2 is a top view of a compressor provided by an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a damping member provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of another damping member provided in the embodiments of the present application;
FIG. 5 is a graph of noise spectra in the X direction using a prior art damping shim and a damping member of the present application provided in an embodiment of the present application;
fig. 6 is a graph showing a comparison of noise spectra in the Y direction using a conventional damping pad and a damping member according to the present invention, according to an embodiment of the present invention.
Wherein the reference numerals of figures 1-4 are as follows:
11-a reservoir body; 12-a clamp; 13-a scaffold; 14-a damping member; 141-a groove; 20-a compressor; 30-screw.
Detailed Description
To further clarify the objects, advantages and features of the present application, a compressor accumulator, a compressor and an air conditioning system as set forth in the embodiments of the present application are described in further detail below with reference to the accompanying fig. 1-6. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present application.
Fig. 1 is a front view of a compressor according to an embodiment of the present application, fig. 2 is a plan view of the compressor according to the embodiment of the present application, and fig. 3 to 4 are schematic structural views of two vibration dampers according to the embodiment of the present application.
Referring to fig. 1-4, the present embodiment provides a compressor accumulator including: the liquid storage device comprises a liquid storage device body 11, a clamp 12, a support 13 and a damping piece 14, wherein the clamp 12 is arranged on the periphery of the liquid storage device body 11 and is connected with the liquid storage device body 11; one end of the bracket 13 is fixed on the hoop 12, the other end of the bracket 13 is fixed on the compressor 20 so as to connect the liquid accumulator body 11 with the compressor 20, and the connection between the liquid accumulator body 11 and the compressor 20 is realized through the bracket 13, one end of which is fixed on the hoop 12 and the other end of which is fixed on the compressor 20, the bracket 13 has simple structure and good strength, and can ensure the stable connection between the liquid accumulator body 11 and the compressor 20; the damping piece 14 is arranged between the liquid storage device body 11 and the clamp 12 to reduce the vibration frequency of the liquid storage device body 11, and because the damping piece 14 is arranged between the liquid storage device body 11 and the clamp 12, the swing frequency response of the liquid storage device body 11 can be reduced, the rotary vibration of the liquid storage device body 11 is improved, so that the torsional kinetic energy transmitted to the liquid storage device body 11 due to the operation of the compressor 20 is more dissipated, the vibration and noise of the liquid storage device body 11 caused by the vibration of the compressor 20 are weakened, the vibration damping and noise reduction effects are realized, thus the structural resonance of the liquid storage device is prevented from being caused to deteriorate the noise under various excitation effects of the operation of the compressor 20, and the distribution pipe connected with the liquid storage device can be broken by vibration in serious conditions, so that the damage is caused. Moreover, the vibration damping piece 14 is arranged on the liquid storage device body 11, and has the characteristics of simple structure, reasonable operation, convenient connection, small vibration and low noise, and the vibration damping piece 14 has low cost, convenient assembly and convenient mass production of products, thereby improving the market competitiveness of the products, wherein the vibration damping piece 14 is made of damping alloy materials, and the damping alloy materials have better rigidity and better vibration damping performance than common steel materials, so that the vibration energy outward transmission can be further reduced, the rigidity of the vibration damping piece 14 can be ensured, the stability of the vibration damping piece 14 is improved, and the vibration damping effect is not influenced, therefore, the vibration damping piece 14 made of the damping alloy materials can effectively reduce the vibration response of the bracket 13, reduce the vibration transmission, has good vibration damping effect, is combined with structure optimization, and can improve the strain amplitude of the vibration damping piece 14 made of the damping alloy materials, the vibration damping member 14 can exert a vibration damping effect of the damping alloy material.
The damping alloy material can be one of a complex phase type, a twin crystal type and a dislocation type, and a damping layer made of the damping alloy material of one of the complex phase type, the twin crystal type and the dislocation type can realize the purposes of vibration reduction and noise reduction, wherein the damping mechanism of the complex phase type damping alloy material is as follows: under the action of periodic stress, the phase with higher strength in some multiphase damping alloy materials can generate elastic deformation, and the softer phase generates plastic deformation, so that the energy of time-consuming vibration in the generation process can be dissipated, and the noise can be reduced. The multiphase damping alloy material comprises a cast iron system and a Zn-Al system, and the cast iron system and the Zn-Al system are mainly characterized by low cost, easy processing and capability of being used in an as-cast state. The damping mechanism of the damping alloy material with the twin crystal form is as follows: under the action of periodic stress, the coherent twin crystal interface related to the thermal elastic martensite band carries out rearrangement movement, generates inelastic strain to relax the stress, dissipates the external vibration energy, and forms damping attenuation on the vibration, thereby reducing the noise. The damping alloy material with the twin crystal form comprises a Mn-Cu system, a Ti-Ni system, a Fe-Mn system and a Cu-Al system, and is mainly characterized by excellent damping performance and shape memory performance. The damping mechanism of the dislocation type damping alloy material is as follows: under the action of periodic stress, dislocations in some alloys can be separated from point defects (impurity atoms or vacancies) pinned along the line and move, additional dislocation strain can be generated in the elastic strain range in the process, so that internal loss is generated to dissipate external vibration energy, and dislocation type damping alloy materials are mainly Mg and Mg alloys and are mainly characterized by small specific gravity, good corrosion resistance and high damping performance. The damping mechanism of the ferromagnetic damping alloy material is as follows: under the action of periodic stress, the magnetic domain interface of a corresponding part in the alloy moves irreversibly due to the inverse effect of the magneto-mechanical effect, and the phenomenon that the strain lags behind the stress is generated on a stress-strain curve, so that internal loss is generated to dissipate the vibration energy.
Fig. 5 is a graph showing a comparison of noise spectra in the X direction between a conventional vibration damping shim and a vibration damping member of the present application according to an embodiment of the present application, and fig. 6 is a graph showing a comparison of noise spectra in the Y direction between a conventional vibration damping shim and a vibration damping member of the present application according to an embodiment of the present application.
As shown in fig. 5 to 6, the inventors have found that the sound pressure generated by the vibration of the compressor in the X direction and the Y direction can be greatly reduced by the vibration damping member of the present application.
The Mn-Cu-based twin crystal type damping alloy material is preferably used as the vibration damping member 14, and since the Mn-Cu-based damping alloy material has a low specific gravity and a good stiffness and a good damping performance, and the compressor reservoir is generally at 0 ℃ to 60 ℃, the Mn-Cu-based damping alloy material has a peak value at 0 ℃ to 60 ℃ that can dissipate external vibration energy, specifically, the following table provides vibration damping effects on vibration frequency in the X direction of the compressor 20 when the compressor 20 works by using the existing vibration damping gasket and the vibration damping member 14 in the present application:
watch 1
Figure BDA0002264517240000071
Figure BDA0002264517240000081
As shown in table one, for the vibration frequency of the compressor 20 in the X direction, the reduction of the sound pressure generated by the vibration damping member 14 in the vibration frequency range from 315Hz to 100000Hz is significantly reduced compared to the conventional vibration damping gasket.
Meanwhile, the following table provides the vibration damping effect of the vibration damping member 14 in the Y direction when the compressor 20 is operated using the conventional vibration damping pad:
watch two
Figure BDA0002264517240000082
Figure BDA0002264517240000091
As shown in table two, for the vibration frequency in the direction of the compressor 20, the reduction of the sound pressure generated by the vibration damping member 14 in the vibration frequency range from 315Hz to 10000Hz is significantly reduced compared to the conventional vibration damping gasket.
With reference to fig. 2, the damping member 14 is a damping pad, the surface of the damping pad contacting the reservoir body 11 and the surface of the damping pad contacting the clip 12 are both arc surfaces, and the curvature of both arc surfaces is smaller than the curvature of the reservoir body 11 and larger than the curvature of the clip 12, that is, the curvature of both surfaces of the damping pad is smaller than the curvature of the outer periphery of the reservoir body 11 and larger than the curvature of the clip 12, since the bracket 13 is connected to the reservoir body 11 through the bolt 30 and the clip 12, the damping pad is clamped between the reservoir body 11 and the clip 12, since the reservoir body 11 is fixed to the bracket 13 through the clip 12 and the bolt 30, it can be ensured that the damping pad receives the torque of the bolt 30 with the largest area, and the curvature of the damping pad is smaller than the curvature of the outer periphery of the reservoir body 11 and larger than the curvature of the clip 12, like this damping gasket can be firm the setting be in reservoir body 11 with between the clamp 12, it is further, damping gasket's width is greater than the width of clamp 12, convenient assembly like this damping gasket has still improved when still improving damping gasket's firm degree.
Preferably, as shown in fig. 3, a groove 141 is formed in a surface of the damping pad contacting the band 12, and a length of the groove 141 in an axial direction of the reservoir body 11 is greater than a width of the band 12, so that a portion of the band 12 contacting the damping pad is located in the groove 141, and the groove 141 can define a relative position of the band 12 and the damping pad, thereby further improving a mounting firmness of the damping pad. More preferably, recess 141 is followed the radial ascending degree of depth of reservoir body 11 is greater than the thickness of clamp 12, like this clamp 12 with the part of damping gasket contact can be in completely in the recess 141, and follow the circumference of reservoir body 11 is in be equipped with draw-in groove (not shown in the figure) on the both sides of clamp 12, follow the circumference of reservoir body 11 is in be equipped with in the recess 141 with the bellying (not shown in the figure) of draw-in groove block, during the installation the bellying with the draw-in groove cooperation, improvement that can further the firmness of damping gasket.
In one embodiment, when the reservoir body 11 is connected or contacted with the bracket 13, a damping member 14 is also arranged between the bracket 13 and the reservoir body 11, the curvature of the damping member 14 between the reservoir body 11 and the bracket 13 is larger than that of the bracket 13 and smaller than that of the contact or connection part of the bracket 13 and the reservoir body 11, and the width of the damping member 14 is not smaller than that of the contact or connection part of the bracket 13 and the reservoir body 11, so that the damping member 14 can be more stably arranged between the reservoir body 11 and the bracket 13.
Referring to fig. 4, in one preferred embodiment, the damping member 14 is in the shape of a "C" shaped damping member, and the opening of the "C" shaped damping member faces the reservoir body 11. The C-shaped vibration damping piece can be directly unfolded and sleeved on the liquid storage device body 11, and the C-shaped vibration damping piece is made of damping alloy materials, has certain rigidity and is equivalent to pre-tightening. The clip 12 is then installed so that the "C" shaped damper is sandwiched between the clip 12 and the reservoir body 11. Meanwhile, the C-shaped vibration damping piece has certain shearing force when the compressor 20 operates, which is beneficial to utilizing the advantage of large internal consumption of damping alloy materials, so that the vibration damping piece 14 can better exert vibration damping effect. Preferably, the arc angle of the opening of the C-shaped damping piece ranges from 40 ° to 120 °, for example: 40 degrees, 80 degrees and 120 degrees. Within the value range, the C-shaped vibration damping piece can be directly sleeved on the liquid storage device body 11 in an opening mode, and the fact that the pretightening force is lost due to the fact that the arc angle of the opening is too large is guaranteed, so that the installation is convenient.
In the embodiment of this application, clamp 12 with support 13 all can adopt damping alloy material, can dissipate in advance like this compressor 20 right at the during operation the torsional kinetic energy that reservoir body 11 produced, and then has weakened because the vibration of the vibration that transmits the compressor reservoir during operation and the vibration of system piping that causes and the radiated noise of reservoir body 11, has realized the damping and has fallen the effect of making an uproar.
In another aspect, the present application provides a compressor comprising the compressor accumulator described above.
In still another aspect, the present application further provides an air conditioning system including the compressor described above.
The above description is only for the purpose of describing the preferred embodiments of the present application, and is not intended to limit the scope of the present application, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims (10)

1. A compressor accumulator, comprising:
a reservoir body;
the hoop is arranged on the periphery of the liquid storage device body and is connected with the liquid storage device body;
one end of the bracket is fixed on the hoop, and the other end of the bracket is fixed on a compressor so as to connect the liquid storage device body with the compressor; and the number of the first and second groups,
the damping piece, the damping piece adopts damping alloy material to make, the damping piece sets up the reservoir body with between the clamp, in order to reduce the vibration of reservoir body.
2. The compressor accumulator of claim 1 wherein the damping member is a damping washer, the damping washer contacting the accumulator body and the clamping band are both curved surfaces, and the curvature of both curved surfaces is less than the curvature of the accumulator body and greater than the curvature of the clamping band.
3. The compressor accumulator of claim 1 wherein the damping alloy material is one of a complex phase type, a twin crystal type, and a dislocation type.
4. The compressor accumulator of claim 1 wherein a groove is provided on a surface of the damping member contacting the band, the groove having a length in an axial direction of the accumulator body greater than a width of the band, and a depth in a radial direction of the accumulator body greater than a thickness of the band.
5. The compressor accumulator of claim 4 wherein the clamp is provided with a notch on both sides of the clamp in the circumferential direction of the accumulator body, and a protrusion is provided in the groove in the circumferential direction of the accumulator body to engage with the notch.
6. The compressor accumulator of claim 1 wherein the damping member is in the shape of a "C" shaped damping member; the opening of the C-shaped vibration damper faces the reservoir body.
7. The compressor accumulator of claim 1 wherein the band is made of a damping alloy material.
8. The compressor accumulator of claim 1 wherein the bracket is made of a damping alloy material.
9. A compressor, characterized in that it comprises a compressor accumulator according to any one of claims 1 to 8.
10. An air conditioning system, characterized in that it comprises a compressor according to claim 9.
CN201911082928.8A 2019-11-07 2019-11-07 Compressor liquid storage device, compressor and air conditioning system Pending CN112781284A (en)

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Application Number Priority Date Filing Date Title
CN201911082928.8A CN112781284A (en) 2019-11-07 2019-11-07 Compressor liquid storage device, compressor and air conditioning system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115388585A (en) * 2021-05-25 2022-11-25 上海海立电器有限公司 Liquid storage device support and compressor comprising same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030031569A1 (en) * 2001-07-31 2003-02-13 Shiro Hayashi Vibration damping mechanism for piston type compressor
CN202811359U (en) * 2012-05-04 2013-03-20 广东美芝制冷设备有限公司 Damping device for reservoir of rotary compressor
CN207231013U (en) * 2017-09-30 2018-04-13 广东美芝制冷设备有限公司 Reservoir and compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030031569A1 (en) * 2001-07-31 2003-02-13 Shiro Hayashi Vibration damping mechanism for piston type compressor
CN202811359U (en) * 2012-05-04 2013-03-20 广东美芝制冷设备有限公司 Damping device for reservoir of rotary compressor
CN207231013U (en) * 2017-09-30 2018-04-13 广东美芝制冷设备有限公司 Reservoir and compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
倪红军等: "《工程材料》", 31 August 2016, 东南大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115388585A (en) * 2021-05-25 2022-11-25 上海海立电器有限公司 Liquid storage device support and compressor comprising same

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Application publication date: 20210511