CN115164289A - Vibration damper, compressor and air conditioner - Google Patents

Vibration damper, compressor and air conditioner Download PDF

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Publication number
CN115164289A
CN115164289A CN202210990751.7A CN202210990751A CN115164289A CN 115164289 A CN115164289 A CN 115164289A CN 202210990751 A CN202210990751 A CN 202210990751A CN 115164289 A CN115164289 A CN 115164289A
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China
Prior art keywords
coil
pressing plate
metal block
shell
magnetic field
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Granted
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CN202210990751.7A
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Chinese (zh)
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CN115164289B (en
Inventor
程诗
高智强
贺昌业
陈志伟
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Priority to CN202210990751.7A priority Critical patent/CN115164289B/en
Publication of CN115164289A publication Critical patent/CN115164289A/en
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Publication of CN115164289B publication Critical patent/CN115164289B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08Compressors specially adapted for separate outdoor units
    • F24F1/12Vibration or noise prevention thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)
  • Compressor (AREA)

Abstract

The invention relates to the field of household appliances, in particular to a vibration damper, a compressor and an air conditioner, and in a first aspect, the vibration damper comprises a shell, wherein a first end and a second end which are opposite to each other are arranged in the shell; an electromagnetic device is arranged outside the shell; a plurality of metal blocks are accommodated in the shell, and the metal blocks can be magnetized by a magnetic field generated by the electromagnetic device; when the shell moves towards the first end to enable the at least one metal block to abut against the second end, the electromagnetic device has attraction force for the metal block to move towards the second end; when the shell moves towards the second end to enable the at least one metal block to be abutted against the first end, the electromagnetic device has attraction force for enabling the metal block to move towards the first end so as to solve the problem that the vibration reduction effect of the existing compressor in the horizontal direction (radial direction and tangent line) is poor.

Description

Vibration damper, compressor and air conditioner
Technical Field
The invention relates to the field of household appliances, in particular to a vibration damper, a compressor and an air conditioner.
Background
The compressor can generate a moving vibration phenomenon during operation, and the vibration can cause resonance fatigue of the pipeline, generate noise and reduce the service life of the pipeline; the conventional vibration reduction mode is that a vibration reduction pad is arranged on a footing of the compressor, the vibration reduction mode can only carry out vibration reduction in the vertical direction, and the vibration reduction effect in the horizontal direction (the tangential direction and the radial direction of a compressor cylinder body) is poor.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
In order to solve the problem that the vibration reduction effect of the existing compressor in the horizontal direction (radial direction and tangent line) is poor, a vibration reduction device, a compressor and an air conditioner are provided.
In a first aspect, a shock absorber includes a housing including first and second opposing ends therein; an electromagnetic device is arranged outside the shell; a plurality of metal blocks are accommodated in the shell, the metal blocks can be magnetized by a magnetic field generated by the electromagnetic device, and when the shell moves towards the first end to enable at least one metal block to be abutted against the second end, the electromagnetic device has attraction force for the metal block to move towards the second end;
when the shell moves towards the second end to enable at least one metal block to abut against the first end, the electromagnetic device has attraction force for enabling the metal block to move towards the first end.
Preferably, the first end is provided with a first coil, the second end is provided with a second coil, and when the metal block abuts against the first end, the first coil generates a first magnetic field which has an acting force capable of attracting at least part of the metal block to the first end;
when the metal block is abutted against the second end, the second coil generates a second magnetic field, and the magnetic field gives acting force to at least part of the metal block towards the second end.
Preferably, a first pressing plate is arranged at the first end in the shell, a second pressing plate is arranged at the second end, the plate surface of the first pressing plate is opposite to the plate surface of the second pressing plate, the mutually adjacent plate surfaces of the first pressing plate are covered with an insulating layer, and the first pressing plate and the second pressing plate are both made of piezoelectric materials; the bottom of the shell is provided with a bottom surface;
one end of the first coil is connected with one plate surface of the first pressing plate, and the other end of the first coil is connected with the other plate surface of the first pressing plate;
one end of the second coil is connected with one plate surface of the second pressing plate, and the other end of the second coil is connected with the other plate surface of the second pressing plate;
the metal block rolls along the bottom surface to extrude the plate surface of the first pressing plate or the plate surface of the second pressing plate.
Preferably, the first end in the housing is provided with a first pressure switch for controlling the first coil, and the second end is provided with a second pressure switch for controlling the second coil; when the metal block abuts against the first pressure switch, the first coil is electrified to generate a stable first magnetic field; when the metal block is abutted against the second pressure opening, the second coil is electrified to generate a stable second magnetic field.
Preferably, a sliding surface is formed on the inner bottom surface of the shell, and the middle part of the sliding surface is low and the two ends of the sliding surface are high.
Preferably, the sliding surface includes a downwardly concave arc surface, one end of the arc surface is connected to the first end in the housing, and the other end of the arc surface is connected to the dormitory second end in the housing.
Preferably, the metal block is an iron ball.
In a second aspect, the present invention further provides a compressor comprising a reservoir and said one vibration damper, wherein the end cap of said vibration damper comprises a cover shell, and a plurality of said vibration dampers are arranged in said cover shell.
Preferably, the end cover is provided with an air suction hole in the vertical direction, and the air suction hole penetrates through the cover shell and is arranged in the middle of the end cover; four vibration dampers are arranged around the air suction hole in an evenly annular mode, the four vibration dampers are opposite end to end, and any two non-adjacent vibration dampers are symmetrically arranged around the air suction hole.
In a third aspect, the invention also provides an air conditioner comprising the compressor.
The invention converts the vibration into the movement of the metal block, and simultaneously, the movement direction of the metal block is opposite to the instantaneous direction of the vibration, thereby achieving the purpose of reducing the vibration.
Drawings
FIG. 1 is a front cross-sectional view of a damper having a pressure plate in accordance with an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a shock absorber with a pressure switch according to an embodiment of the present invention;
FIG. 3 is a top cross-sectional view of a shock absorber in accordance with an embodiment of the present invention;
FIG. 4 is a top cross-sectional view of an end cap with a shock absorber in accordance with an embodiment of the present invention;
FIG. 5 isbase:Sub>A sectional view taken along line A-A of FIG. 4 in accordance with an embodiment of the present invention;
fig. 6 is a partial sectional view of a compressor provided with a shock absorber according to an embodiment of the present invention;
fig. 7 is a schematic view of a compressor provided with a shock absorber according to an embodiment of the present invention.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention.
In the drawings: 1-a shell; 2-a first end; 3-a second end; 4-a first coil; 5-a second coil; 6-metal block; 7-a first platen; 8-a second platen; 9-cambered surface; 10-cover shell; 11-suction hole.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; the "leading" is opposite the "first end" and the "trailing" is opposite the "second end". It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The invention relates to the field of household appliances, in particular to a vibration damper, a compressor and an air conditioner; the compressor can generate a moving vibration phenomenon during operation, and the vibration can cause resonance fatigue of the pipeline, generate noise and reduce the service life of the pipeline; the conventional vibration reduction mode is that a vibration reduction pad is arranged on a footing of the compressor, the vibration reduction mode can only carry out vibration reduction in the vertical direction, and the vibration reduction effect in the horizontal direction (the tangential direction and the radial direction of a compressor cylinder body) is poor.
In order to solve the problems, a vibration damping device, a compressor and an air conditioner are provided.
As shown in fig. 1-7, in a first aspect, a shock absorber includes a housing 1, the housing 1 including opposite first and second ends 2 and 3; an electromagnetic device is arranged outside the shell 1; a plurality of metal blocks 6 are accommodated in the housing 1, the metal blocks 6 being capable of being magnetized by a magnetic field generated by an electromagnetic device; when the housing 1 is moved towards the first end 2, bringing the at least one metal block 6 against the second end 3, the electromagnetic means have an attraction force to the metal block 6 moving towards the second end 3; when the housing 1 is moved towards the second end 3, bringing the at least one metal block 6 against the first end 2, the electromagnetic means have an attraction force which moves the metal block 6 towards the first end 2; when the shell 1 moves towards the first end 2, under the action of inertia, the metal block 6 in the shell 1 moves towards the second end 3 relative to the shell 1; similarly, when the housing 1 moves towards the second end 3, the metal block 6 in the housing 1 moves towards the first end 2 relative to the housing 1; when the shell 1 moves towards the first end 2, the metal block 6 moves towards the second end and abuts against the second end 3, and the metal block 6 abuts against the second end 3 to generate acting force towards the second end 3 on the shell 1, so that the moving speed of the shell 1 towards the first end 2 is counteracted, the vibration amplitude of the shell 1 is reduced, and the vibration reduction effect is further achieved; the same damping effect occurs when the housing 1 is moved towards the second end 3.
Preferably, as shown in fig. 1-2, the first end 2 is provided with a first coil 4, the second end 3 is provided with a second coil 5, and when the metal block 6 abuts against the first end 2, the first coil 4 generates a first magnetic field having a force capable of attracting at least part of the metal block 6 towards the first end 2; when the metal block 6 is abutted against the second end 3, the second coil 5 generates a magnetic field, and the second magnetic field has a force capable of attracting at least part of the metal block 6 to the second end 3; the distance size between first coil 4 and the second coil 5 is adjustable, according to the size adjustment in practical application place and magnetic field, when the magnetic field intensity that the application place produced is great, can be with first coil 4 and the distance setting of second coil 5 far away, under the circumstances of the effort of assurance magnetic field to the metal block, avoid two magnetic field mutual interference, when the magnetic field intensity of application place is less, can set up the distance between first coil 4 and the second coil 5 nearer, so that the intensity in magnetic field has sufficient effort to the metal block. It is also possible to change the strength of the magnetic field by changing the number of windings of the wire of the coil without changing the distance between the first coil 4 and the second coil 5.
Preferably, as shown in fig. 1, a first end 2 in a housing 1 is provided with a first pressing plate 7, a second end 3 is provided with a second pressing plate 8, a plate surface of the first pressing plate 7 is opposite to a plate surface of the second pressing plate 8, the mutually adjacent plate surfaces of the first pressing plate 7 are covered with an insulating layer, and both the first pressing plate 7 and the second pressing plate 8 are made of piezoelectric materials; the bottom of the shell 1 is provided with a bottom surface; one end of the first coil 4 is connected with one plate surface of the first pressing plate 7, and the other end of the first coil is connected with the other plate surface of the first pressing plate 7; one end of the second coil 5 is connected with one plate surface of the second pressing plate 8, and the other end is connected with the other plate surface of the second pressing plate 8; the metal block 6 rolls along the bottom surface to extrude the plate surface of the first pressing plate 7 or the plate surface of the second pressing plate 8; specifically, when the metal block 6 extrudes the first pressing plate 7, the inner side surface (facing to one side of the second pressing plate 8) of the first pressing plate 7 has positive charges, and the other side surface has negative charges, and by connecting the two ends of the first coil 4 with the inner side surface and the outer side surface of the first pressing plate 7 respectively, the positive charges and the negative charges on the two sides of the first pressing plate 7 flow through the first coil 4, and the first coil 4 generates a first magnetic field, and because the first coil 4 is arranged at the first end 2, the first magnetic field at the first end 2 has a larger magnetic field intensity, and the first magnetic field has an acting force which attracts the metal block 6 to move towards the first end 2; accordingly, when the metal block 6 abuts against the second end 3, the same effect can be produced when the metal block 6 abuts against the first end 2.
Preferably, as shown in fig. 2, the first end 2 in the housing 1 is provided with a first pressure switch for controlling the first coil 4, and the second end 3 is provided with a second pressure switch for controlling the second coil 5; when the metal block 6 abuts against the first pressure switch, the first coil 4 is electrified to generate a magnetic field; when the metal block 6 is abutted against the second pressure opening, the second coil 5 is electrified to generate a magnetic field; when the metal block 6 in the shell 1 contacts with the first pressure switch at the first end 2 and triggers the first pressure switch, the first pressure switch enables the first coil 4 to be electrified to generate a stable first magnetic field, the first magnetic field is located at the first end 2, the magnetic field intensity at the first end 2 is large, and the first magnetic field attracts other metal blocks 6 to accelerate to move towards the first end 2; similarly, when the metal block 6 is moved toward the second end 3 and brought into contact with the second end 3, the same effect can be produced when the metal block 6 is brought into contact with the first end 2.
Preferably, as shown in fig. 1-2, a sliding surface is formed on the bottom surface in the housing 1, the middle of the sliding surface is low, and the two ends of the sliding surface are high, the sliding surface includes a downward-concave arc surface 9, one end of the arc surface 9 is connected with the first end 2 in the housing 1, the other end of the arc surface 9 is connected with the second end 3 in the dormitory in the housing 1, and the metal block 6 is an iron ball; the bottom surface of the shell 1 is designed into a cambered surface 9, so that the iron ball can roll conveniently, and the reaction speed is increased; the radian of the cambered surface 9 can be selected according to different working scenes, the vibration amplitude is small, the radian is small, and when the vibration amplitude is large, the radian is small; the mass of the iron ball can be adjusted accordingly.
In a second aspect, as shown in fig. 4 to 7, the present invention further provides a compressor comprising a liquid reservoir and a vibration damper, an end cap of the vibration damper comprising a cover case 10, the vibration damper being plural and disposed in the cover case 10; the end cover is provided with an air suction hole 11 in the vertical direction, and the air suction hole 11 penetrates through the cover shell 10 and is arranged in the middle of the end cover; four dampers are uniformly and annularly arranged around the air suction hole 11 in an end-to-end opposite manner, wherein any two non-adjacent dampers are symmetrically arranged around the air suction hole 11; the liquid storage tank of the compressor is a component with severe vibration of the compressor, and a plurality of vibration dampers are uniformly arranged in the top cover shell 10 of the liquid storage tank around the air suction holes 11, so that the vibration of the liquid storage tank in the horizontal direction is effectively reduced.
In a third aspect, the invention also provides an air conditioner, comprising the compressor; the liquid storage tank with the shock absorber is adopted, the air conditioner is low in noise and vibration, and user experience is improved.
When the air conditioner provided with the vibration absorber is used, the air conditioner is started, the compressor works to generate vibration in the horizontal direction, at least one vibration absorber vibrates in a certain direction when the compressor vibrates, and when the vibration absorber moves to the first end 2 due to vibration, an iron ball in the shell 1 moves to the second end 3 relative to the shell 1 under the action of inertia and is in contact with a second pressure switch on the second end 3; the second coil 5 at the second end 3 is electrified to generate a second magnetic field, and the second magnetic field generates attraction force on the iron balls so as to accelerate other iron balls to move towards the second end 3; when the iron ball collides with the second end 3, the distance of the shell 1 moving towards the first end 2 is reduced, namely the vibration amplitude of the shell 1 is reduced due to the fact that the moving direction of the iron ball is opposite to the moving direction of the shell 1 when the iron ball collides with the second end 3; when the shell 1 moves to the second end 3 due to vibration, the iron ball in the shell 1 contacts with the first pressure switch at the first end 2, and the same vibration damping effect is achieved.
The invention has the following remarkable advantages:
1. according to the invention, the movable iron ball is arranged in the shell, so that the movement direction of the iron ball is opposite to the instantaneous direction of vibration, the effect of reducing the amplitude is further achieved, and the vibration in the horizontal direction is effectively reduced.
2. The invention provides electric quantity for the coil through the piezoelectric material, does not need external power supply, and achieves better horizontal vibration reduction effect on the premise of not consuming additional energy.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise construction, arrangements, or implementations described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. A shock absorber comprising a housing including first and second opposite ends therein; an electromagnetic device is arranged outside the shell; a plurality of metal blocks are accommodated in the housing, and the metal blocks can be magnetized by a magnetic field generated by the electromagnetic device; when the shell moves towards the first end to enable at least one metal block to abut against the second end, the electromagnetic device has attraction force for the metal block to move towards the second end;
when the shell moves towards the second end to enable at least one metal block to be abutted against the first end, the electromagnetic device has attraction force enabling the metal block to move towards the first end.
2. A shock absorber according to claim 1, wherein said first end is provided with a first coil and said second end is provided with a second coil, said first coil generating a first magnetic field when said slug is urged against said first end, said first magnetic field having a force capable of attracting at least a portion of said slug towards said first end;
when the metal block abuts against the second end, the second coil generates a second magnetic field, and the second magnetic field has acting force capable of attracting at least part of the metal block to the second end.
3. The shock absorber according to claim 2, wherein a first pressing plate is arranged at the first end in the shell, a second pressing plate is arranged at the second end, a plate surface of the first pressing plate is arranged opposite to a plate surface of the second pressing plate, the mutually adjacent plate surfaces of the first pressing plate are covered with an insulating layer, and the first pressing plate and the second pressing plate are both made of piezoelectric materials; the bottom surface is formed at the bottom in the shell;
one end of the first coil is connected with one plate surface of the first pressing plate, and the other end of the first coil is connected with the other plate surface of the first pressing plate;
one end of the second coil is connected with one plate surface of the second pressing plate, and the other end of the second coil is connected with the other plate surface of the second pressing plate;
the metal block rolls along the bottom surface to extrude the plate surface of the first pressing plate or the plate surface of the second pressing plate.
4. A shock absorber according to claim 3, wherein said first end within said housing is provided with a first pressure switch for controlling said first coil, and said second end is provided with a second pressure switch for controlling said second coil; when the metal block abuts against the first pressure switch, the first coil is electrified to generate a stable first magnetic field; when the metal block abuts against the second pressure opening, the second coil is electrified to generate a stable second magnetic field.
5. A shock absorber according to claim 1, wherein the bottom surface of said housing is formed with a sliding surface having a lower middle portion and higher ends.
6. The shock absorber as set forth in claim 5 wherein said sliding surface comprises a downwardly concave arcuate surface, one end of said arcuate surface being connected to said first end of said housing and the other end of said arcuate surface being connected to a dormitory second end of said housing.
7. A shock absorber according to any one of claims 1 to 6, wherein the metal pieces are iron balls.
8. A compressor comprising a reservoir and a vibration damper according to any one of claims 1 to 7, said vibration damper having an end cap comprising a cover shell, said vibration damper being plural and disposed within said cover shell.
9. The compressor of claim 8, wherein the end cap has a suction hole extending in a vertical direction, the suction hole penetrating the cap shell and being disposed at a middle portion of the end cap; four vibration dampers are arranged around the air suction hole in an evenly annular mode, the four vibration dampers are opposite end to end, and any two non-adjacent vibration dampers are symmetrically arranged around the air suction hole.
10. An air conditioner characterized by comprising a compressor as claimed in claim 9.
CN202210990751.7A 2022-08-18 2022-08-18 Vibration damper, compressor and air conditioner Active CN115164289B (en)

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CN202210990751.7A CN115164289B (en) 2022-08-18 2022-08-18 Vibration damper, compressor and air conditioner

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Application Number Priority Date Filing Date Title
CN202210990751.7A CN115164289B (en) 2022-08-18 2022-08-18 Vibration damper, compressor and air conditioner

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CN115164289A true CN115164289A (en) 2022-10-11
CN115164289B CN115164289B (en) 2023-12-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08233027A (en) * 1995-02-27 1996-09-10 Daikin Ind Ltd Vibration damping device
JP2002221250A (en) * 2001-01-26 2002-08-09 Nasu Denki Tekko Co Ltd Dynamic vibration-absorbing type damping apparatus
CN202177258U (en) * 2011-08-20 2012-03-28 Tcl空调器(中山)有限公司 Air-conditioner damping device
CN107355906A (en) * 2017-08-24 2017-11-17 广东美的制冷设备有限公司 Compressor and there is its air conditioner
CN113194675A (en) * 2021-04-07 2021-07-30 维沃移动通信有限公司 Electronic equipment and vibration module
CN113738816A (en) * 2021-10-12 2021-12-03 珠海格力节能环保制冷技术研究中心有限公司 Vibration damper and compressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08233027A (en) * 1995-02-27 1996-09-10 Daikin Ind Ltd Vibration damping device
JP2002221250A (en) * 2001-01-26 2002-08-09 Nasu Denki Tekko Co Ltd Dynamic vibration-absorbing type damping apparatus
CN202177258U (en) * 2011-08-20 2012-03-28 Tcl空调器(中山)有限公司 Air-conditioner damping device
CN107355906A (en) * 2017-08-24 2017-11-17 广东美的制冷设备有限公司 Compressor and there is its air conditioner
CN113194675A (en) * 2021-04-07 2021-07-30 维沃移动通信有限公司 Electronic equipment and vibration module
CN113738816A (en) * 2021-10-12 2021-12-03 珠海格力节能环保制冷技术研究中心有限公司 Vibration damper and compressor

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