CN109708214B - Vibration reduction structure and compressor vibration reduction assembly - Google Patents
Vibration reduction structure and compressor vibration reduction assembly Download PDFInfo
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- CN109708214B CN109708214B CN201811489300.5A CN201811489300A CN109708214B CN 109708214 B CN109708214 B CN 109708214B CN 201811489300 A CN201811489300 A CN 201811489300A CN 109708214 B CN109708214 B CN 109708214B
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Abstract
The present invention provides a vibration damping structure, including: the supporting and damping piece (1) is used for supporting the bottom of the bearing piece and absorbing the axial vibration energy of the bearing piece; and the damping ring (4) is arranged on the supporting damping piece (1) and is used for absorbing tangential vibration energy of the bearing piece. The vibration reduction structure is arranged at the bottom of the compressor, the problem that the conventional structure can only absorb axial vibration and cannot effectively absorb tangential vibration is solved, the annular vibration reduction ring is additionally arranged, and the tangential vibration energy of the compressor is absorbed through the elastic deformation of the vibration reduction ring, so that the vibration reduction and noise reduction capability of the compressor is enhanced.
Description
Technical Field
The invention belongs to the field of refrigeration equipment, and particularly relates to a vibration reduction structure and a compressor vibration reduction assembly.
Background
The compressor is the main vibration source of the air conditioner external unit, and the vibration and noise radiation level of the air conditioner external unit can be directly determined by the vibration of the compressor, so that the vibration and noise reduction technology of the air conditioner equipment is concentrated on the compressor system.
Experimental tests show that the vibration energy of the rotor compressor is mainly concentrated in the tangential direction, and the tangential vibration acceleration is gradually increased along with the increase of the working frequency of the compressor and is obviously greater than the axial vibration acceleration and the radial vibration acceleration.
The vibration reduction mode of the compressor is a rubber vibration reduction structure, the vibration of the rubber vibration reduction structure through the rubber deformation compressor is mainly applied to the step surface of the rubber pad through a footing, and the dissipation and the storage of vibration energy are realized through the deformation of rubber. Due to the characteristics of the structure, the vibration reduction of the compressor is mainly in the axial direction (vertical) of the compressor, and the original tangential vibration with larger vibration is determined, so that the vibration of the compressor is easily transmitted outwards due to the fact that the rubber part is large in local rigidity and small in deformation space and cannot be effectively attenuated, and therefore the pipeline and the shell which are connected with the compressor are excited by larger vibration and noise, and the reliability and the noise of the structure of an air conditioner outdoor unit are adversely affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a vibration damping structure and a compressor vibration damping assembly, which can effectively absorb axial and tangential vibration energy of a compressor, and realize vibration damping and noise reduction of the compressor.
In order to solve the above problems, the present invention provides a vibration damping structure including:
the supporting vibration damping piece is used for supporting the bottom of the bearing piece and absorbing the axial vibration energy of the bearing piece;
and the damping ring is arranged on the supporting damping piece and used for absorbing tangential vibration energy of the bearing piece.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the supporting shock absorber is cylindrical.
Preferably, the support damper is provided with an annular mounting groove for mounting the compressor foot, and the damper ring is disposed in the annular mounting groove.
Preferably, the damping ring is provided with holes and/or grooves, and the holes and/or grooves deform under force to absorb tangential vibration energy of the bearing pieces.
Preferably, the damping ring is a net structure, and the net structure deforms under force to absorb tangential vibration energy of the bearing piece.
Preferably, the damping ring comprises an outer ring and an inner ring, and the outer ring and the inner ring are connected through a plurality of connecting sheets which are uniformly arranged.
Preferably, the connecting sheet is curved, and can be bent and deformed when being pressed, so as to absorb vibration energy.
Preferably, adjacent tabs are bent in opposite directions.
Preferably, the connecting piece is a fold line bending piece and/or an arc bending piece.
Preferably, reinforcing pieces distributed along the circumferential direction of the vibration damping ring are arranged between the adjacent connecting pieces, and the reinforcing pieces are used for enhancing the rigidity of the vibration damping ring.
Preferably, the connecting pieces are bent pieces of fold lines, the bent pieces of the fold lines are opposite to each other in pairs and form hexagonal meshes with the outer ring and the inner ring in a surrounding mode, and reinforcing pieces are arranged between adjacent hexagonal meshes.
Preferably, the damping ring is made of an elastic metal material.
Preferably, the damping ring is made of an elastic metal sheet.
Preferably, the supporting shock absorbers are made of a damping material.
Preferably, the supporting shock-absorbing member is made of damping rubber.
Preferably, the support vibration damper is internally provided with a bolt hole which extends along the axial direction and is used for penetrating a positioning bolt.
Preferably, a notch is processed on the support vibration damping piece, and the notch is located at one end, close to the annular mounting groove, of the support vibration damping piece and penetrates through the annular mounting groove along the axial direction of the support vibration damping piece.
Preferably, the number of the notches is four, and the four notches are distributed in a cross shape in the cross section of the support and vibration damper.
A adopt above-mentioned compressor damping assembly of damping structure includes:
the vibration reduction structure is used for supporting the compressor and absorbing axial and tangential vibration of the compressor;
the compressor footing is arranged at the bottom of the compressor and supports the compressor on the vibration reduction structure;
a base plate for mounting and supporting the vibration reduction structure;
and the positioning bolt penetrates through the bottom plate and the vibration reduction structure and is matched with the fixing nut to fix the vibration reduction structure on the bottom plate.
Preferably, the vibration reduction structures are at least three, and the vibration reduction structures are uniformly arranged at the bottom of the compressor along the circumferential direction.
The vibration reduction structure and the compressor vibration reduction assembly provided by the invention at least have the following beneficial effects:
the vibration reduction structure solves the problem that the conventional structure can only absorb axial vibration and can not effectively absorb tangential vibration, and is additionally provided with the annular vibration reduction ring, so that the tangential vibration energy of the compressor is absorbed through the elastic deformation of the vibration reduction ring, and the vibration reduction and noise reduction capability of the compressor is enhanced.
Drawings
Fig. 1 is a schematic structural view of a vibration damping structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a vibration reduction structure and a compressor installation according to an embodiment of the present invention;
FIG. 3 is a schematic view of a damping ring structure according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a damping ring reinforcement according to an embodiment of the present invention;
FIG. 5 is a schematic view of the support damping member and damping ring assembly of an embodiment of the present invention;
FIG. 6 is a force diagram of a damping ring according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a compressor vibration damping assembly according to an embodiment of the present invention.
The reference numerals are represented as:
1. supporting the vibration damping member; 2. a compressor; 3. a base plate; 4. a vibration damping ring; 5. an annular mounting groove; 6. an outer ring; 7. an inner ring; 8. connecting sheets; 9. a reinforcing sheet; 10. positioning the bolt; 11. bolt holes; 12. a notch; 13. a compressor footing; 14. fixing a nut; 15. hexagonal meshes.
Detailed Description
Referring to fig. 1 to 6 in combination, an embodiment of the present invention provides a vibration damping structure, including: the supporting vibration damping part 1 is used for supporting the bottom of the bearing part and absorbing the axial vibration energy of the bearing part; and the damping ring 4 is arranged on the supporting damping part 1 and is used for absorbing the tangential vibration energy of the bearing part.
The vibration reduction structure provided by the embodiment of the invention is arranged at the bottom of the bearing part, the problem that the traditional vibration reduction structure can only absorb axial vibration energy is solved, the annular vibration reduction ring 4 is additionally arranged at the position where the supporting vibration reduction part 1 is matched with the bearing part, the vibration reduction ring 4 deforms under stress, so that the tangential vibration energy of the bearing part is absorbed, the supporting vibration reduction part 1 absorbs the axial vibration energy of the bearing part, and the vibration reduction and the noise reduction of the bearing part are realized together.
In the present embodiment, the supporting and vibration-damping member 1 is cylindrical, and has an upper end for connecting the compressor 2 or other bearing member and a lower end for being disposed on the bottom plate 3. The support damping member 1 is provided with an annular mounting groove 5. The vibration damping member 1 is supported in the form of an integral cylinder having a lower end disposed on the base plate 3 and an upper end connected to the supported compressor 2, thereby serving as a support. The annular mounting groove 5 can smoothly support the compressor 2 or other bearings.
Damping ring 4 of this implementation sets up in annular mounting groove 5, and 4 medial surfaces of damping ring are pasted and are hugged closely at the inner wall of annular mounting groove 5, and 4 lateral surfaces of damping ring contact with compressor 2. In the working process of the compressor 2, the compressor 2 generates tangential vibration under the influence of tangential vibration acceleration, moves along the working surface of the annular mounting groove 5, radially compresses the vibration damping ring 4, deforms after the vibration damping ring 4 is stressed, and compresses and deforms the ring body to absorb the vibration energy of the compressor 2, so that the effect of reducing the tangential vibration is achieved.
As a preference of this embodiment, the damping ring 4 is provided with holes and/or grooves, which can reduce the local rigidity of the damping ring 4, so that the damping ring can deform under stress when being vibrated to absorb the tangential vibration energy of the bearing member.
Furthermore, the damping ring 4 can adopt a net structure, the net structure is stressed and deformed to absorb tangential vibration energy of the compressor 2, and due to the special net structure, the overall rigidity of the damping ring 4 of the net structure is far lower than that of a rubber structure with the same size, so that deformation is easy to occur, the stress of the net structure is more uniform, and the damping and energy-absorbing effects are better.
In this implementation, the damping ring 4 includes an outer ring 6 and an inner ring 7, and the outer ring 6 and the inner ring 7 are connected through a plurality of connecting pieces 8 which are uniformly arranged.
The inner ring 7 of the damping ring 4 is in contact with the inner wall of the annular mounting groove 5, so that the damping ring 4 can be mounted and positioned, the damping ring 4 is in full contact with the annular inner wall of the annular mounting groove 5, and tangential forces from all directions can be transmitted.
In the present embodiment, the connecting piece 8 is preferably curved, and the connecting piece 8 can be deformed in the bending direction when being pressed, so as to absorb vibration energy. The connection piece 8 of curved shape takes place bending deformation more easily than the connection piece of straight shape, and connection piece 8 can adopt the elasticity bending sheet, and the elasticity bending sheet can resume former shape under the elastic potential energy effect after the compression deformation, and elastic energy-absorbing effect is better.
The damping ring 4 adopts an inner ring structure and an outer ring structure, and the bending directions of the adjacent connecting sheets 8 are opposite. When the connecting piece 8 is pressed and deformed, two end parts of the connecting piece 8 can move relatively, particularly, one end of the connecting piece 8 connected with the outer ring 6 moves tangentially along the bending direction while being pressed towards the direction of the inner ring 7, and the tangential movement tends to pull the outer ring 6 to rotate tangentially. In the embodiment, the bending directions of the adjacent connecting sheets 8 are opposite, and the generated tangential movement trends are opposite and can be mutually offset, so that the outer ring 6 and the inner ring 7 are ensured not to rotate relatively.
In this embodiment, the connecting piece 8 is preferably a bent piece with a folding line. The two parts of the bent piece of the fold line are connected at an obtuse angle, so that the bent piece of the fold line is easy to process and obtain. The folding line bending sheets are opposite to each other in pairs, the folding line bending sheets, the outer ring 6 and the inner ring 7 enclose a hexagonal mesh 15, and the hexagonal mesh 15 is uniformly distributed in the circumferential direction along the annular space between the outer ring 6 and the inner ring 7.
Although the damping ring 4 with the grid structure has a good deformation energy absorption effect, the rigidity of the damping ring is limited. On the premise of ensuring that the damping ring 4 has a good deformation energy absorption effect, the rigidity of the damping ring 4 is enhanced as much as possible, the reinforcing sheet 9 can be arranged between the adjacent hexagonal meshes 15, and the reinforcing sheet 9 can prevent the damping ring 4 from being excessively deformed and losing efficacy when being impacted greatly. The reinforcing sheets 9 are preferably distributed along the circumferential direction of the vibration damping ring 4, a discontinuous ring is formed between the inner ring 7 and the outer ring 6, the connecting sheets 8 are reinforced, and the connecting sheets 8 are prevented from being excessively deformed and losing efficacy, so that the aim of enhancing the rigidity of the vibration damping ring 4 is fulfilled.
In view of the high elasticity, moderate stiffness and easy deformation properties required for the damping ring 4, the damping ring 4 is preferably made of an elastic metal material, more preferably an elastic metal sheet.
In this embodiment, the supporting and vibration damping member 1 is used for supporting the compressor 2 or other bearing members, and at the same time, it is necessary to absorb axial vibration energy, therefore, the supporting and vibration damping member 1 is preferably made of damping material, and can perform the supporting and vibration damping functions at the same time. Further, damping rubber may be used.
The support damper 1 of the present embodiment is also fixedly installed when supporting the compressor 2, and a bolt hole 11 extending in the axial direction and used for passing a positioning bolt 10 is provided in the support damper 1. The positioning bolts 10 simultaneously penetrate through the bolt holes 11 and the through holes on the base plate 3 to fix the support and vibration damping member 1 on the base plate 3.
In this embodiment, 4 covers of damping ring are established and are installed in supporting annular mounting groove 5 on upper portion in damping piece 1, for the installation of damping ring 4, the upper end part processing of supporting damping piece 1 above annular mounting groove 5 has breach 12, breach 12 is located the one end that is close to annular mounting groove 5 that supports damping piece 1, and run through to annular mounting groove 5 along supporting damping piece 1 axial, during the installation of damping ring 4, support damping piece 1 to the shrink of breach 12, reduce the external diameter that supports damping piece 1, make damping ring 4 can embolia smoothly in annular mounting groove 5. Preferably, four notches 12 are provided, and the four notches 12 are distributed in a cross shape in the cross section of the support damper 1.
According to the vibration damping structure provided by the embodiment of the invention, the vibration damping ring 4 with a circular ring structure is additionally arranged on the supporting vibration damping piece 1, the vibration damping ring 4 and the compressor 2 are both arranged in the annular mounting groove 5 of the supporting vibration damping piece 1, and the vibration damping ring 4 is in contact with the compressor 2 along the tangential direction, so that the tangential vibration energy of the compressor 2 can be absorbed. The vibration reduction ring 4 adopts a grid structure, is easy to generate strain and has better vibration reduction and energy absorption effects on the tangential direction of the compressor 2. The vibration reduction structure can improve the isolation effect on the vibration of the compressor to the maximum extent.
The vibration reduction structure of the invention is mainly applied to vibration isolation of the compressor, and the embodiment also provides a compressor vibration reduction assembly adopting the vibration reduction structure of the embodiment, which comprises:
the vibration reduction structure is used for supporting the compressor 2 and absorbing axial and tangential vibration of the compressor 2; a compressor footing 13 provided at the bottom of the compressor 2 to support the compressor 2 on a vibration reduction structure; a base plate 3 for mounting and supporting a vibration damping structure; the positioning bolt 10 penetrates through the bottom plate 3 and the vibration reduction structure, and the vibration reduction structure is fixed on the bottom plate 3 by matching with the fixing nut 14.
The vibration reduction structure is specifically connected to a compressor footing 13 of the compressor 2, at least three vibration reduction structures are installed on each compressor 2, and the three vibration reduction structures are evenly arranged at the bottom of the compressor 2 along the circumferential direction.
The compressor vibration damping assembly solves the problems that the conventional compressor vibration damping device can only absorb axial vibration and has poor effect on absorbing tangential vibration, can effectively absorb axial and tangential vibration energy of the compressor, and practically improves the vibration damping and noise reduction capability of the compressor.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (18)
1. A vibration damping structure characterized by comprising:
the supporting and damping piece (1) is used for supporting the bottom of the bearing piece and absorbing the axial vibration energy of the bearing piece;
the damping ring (4) is arranged on the supporting damping piece (1) and is used for absorbing tangential vibration energy of the bearing piece;
the supporting vibration damping piece (1) is provided with an annular mounting groove (5), and the vibration damping ring (4) is arranged in the annular mounting groove (5);
a notch (12) is processed on the supporting vibration damping piece (1), the notch (12) is located close to the supporting vibration damping piece (1) at one end of the annular mounting groove (5), and the supporting vibration damping piece (1) axially penetrates through the annular mounting groove (5).
2. The vibration damping structure according to claim 1, wherein the supporting vibration damping member (1) is columnar.
3. Damping structure according to claim 1, characterized in that the damping ring (4) is provided with holes and/or slots which deform under force to absorb tangential vibration energy of the carrier.
4. Damping structure according to claim 1, characterized in that the damping ring (4) is a net structure which deforms under force to absorb tangential vibration energy of the carrier.
5. Damping structure according to claim 1, characterized in that the damping ring (4) comprises an outer ring (6) and an inner ring (7), the outer ring (6) and the inner ring (7) being connected by a number of evenly arranged connecting pieces (8).
6. The vibration damping structure according to claim 5, wherein the connecting piece (8) is curved, and the connecting piece (8) is deformed in a bending manner when being pressed to absorb vibration energy.
7. Damping structure according to claim 6, characterized in that adjacent webs (8) are bent in opposite directions.
8. Damping structure according to claim 6, characterized in that the connecting piece (8) is a bent piece in a fold line and/or a bent piece in an arc shape.
9. The vibration damping structure according to claim 8, wherein the connecting pieces (8) are bent pieces of a broken line, the bent pieces of the broken line are opposite to each other in pairs and enclose hexagonal meshes (15) with the outer ring (6) and the inner ring (7).
10. The vibration damping structure according to claim 9, wherein a reinforcing sheet (9) is provided between adjacent hexagonal mesh holes (15), the reinforcing sheet (9) serving to enhance the rigidity of the vibration damping ring (4).
11. Damping structure according to any one of claims 1-10, characterized in that the damping ring (4) is made of a resilient metal material.
12. Damping structure according to any one of claims 1-10, characterized in that the damping ring (4) is made of an elastic metal sheet.
13. The vibration damping structure according to claim 1, wherein the supporting vibration damping member (1) is made of a damping material.
14. The vibration damping structure according to claim 13, characterized in that the supporting vibration damping member (1) is made of damping rubber.
15. The vibration damping arrangement according to claim 1, characterized in that axially extending bolt holes (11) for the passage of positioning bolts (10) are provided in the support vibration damper (1).
16. Damping structure according to claim 1, characterized in that the number of said notches (12) is four, four notches (12) being distributed crosswise in the cross-section of the support damping member (1).
17. A vibration damping assembly for a compressor using the vibration damping structure according to any one of claims 1 to 16, comprising:
the vibration reduction structure is used for supporting the compressor (2) and absorbing axial and tangential vibration of the compressor (2);
the compressor footing is arranged at the bottom of the compressor (2) and supports the compressor (2) on the vibration reduction structure;
a base plate (3) for mounting and supporting the vibration-damping structure;
and the positioning bolt (10) penetrates through the bottom plate (3) and the vibration reduction structure, and is matched with a fixing nut (14) to fix the vibration reduction structure on the bottom plate (3).
18. Compressor vibration damping assembly according to claim 17, characterized in that said vibration damping structure is at least three, said at least three vibration damping structures being circumferentially uniformly arranged at the bottom of said compressor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489300.5A CN109708214B (en) | 2018-12-06 | 2018-12-06 | Vibration reduction structure and compressor vibration reduction assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489300.5A CN109708214B (en) | 2018-12-06 | 2018-12-06 | Vibration reduction structure and compressor vibration reduction assembly |
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| Publication Number | Publication Date |
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| CN109708214A CN109708214A (en) | 2019-05-03 |
| CN109708214B true CN109708214B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811489300.5A Active CN109708214B (en) | 2018-12-06 | 2018-12-06 | Vibration reduction structure and compressor vibration reduction assembly |
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Families Citing this family (1)
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| CN111998028B (en) * | 2020-08-11 | 2022-04-12 | 北京机电工程研究所 | Damper for vibration suppression of spacecraft structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697591Y (en) * | 2004-03-23 | 2005-05-04 | 广州市番禺奥迪威电子有限公司 | Sensor with vibration-damping ring |
| CN203067654U (en) * | 2013-01-06 | 2013-07-17 | 苏州三星电子有限公司 | Vibration isolation device and air conditioner |
| CN205655000U (en) * | 2016-05-27 | 2016-10-19 | 启东市富强橡塑制品厂 | Rubber adapter sleeve |
| CN107542647A (en) * | 2017-09-27 | 2018-01-05 | 黄石锐智机械自动化股份有限公司 | A kind of length adjustable compressor foot stool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060038165A (en) * | 2004-10-29 | 2006-05-03 | 삼성전자주식회사 | Vibration-proof device of compressor |
| JP2008240884A (en) * | 2007-03-27 | 2008-10-09 | Kokoku Intech Co Ltd | Vibration control supporting member and automobile component unit supporting device |
| JP6437783B2 (en) * | 2014-10-20 | 2018-12-12 | 株式会社コロナ | Air conditioner compressor support structure |
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2018
- 2018-12-06 CN CN201811489300.5A patent/CN109708214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697591Y (en) * | 2004-03-23 | 2005-05-04 | 广州市番禺奥迪威电子有限公司 | Sensor with vibration-damping ring |
| CN203067654U (en) * | 2013-01-06 | 2013-07-17 | 苏州三星电子有限公司 | Vibration isolation device and air conditioner |
| CN205655000U (en) * | 2016-05-27 | 2016-10-19 | 启东市富强橡塑制品厂 | Rubber adapter sleeve |
| CN107542647A (en) * | 2017-09-27 | 2018-01-05 | 黄石锐智机械自动化股份有限公司 | A kind of length adjustable compressor foot stool |
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