Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The application provides a vibration damper and a compressor, which aim to solve the technical problem of large radial shaking degree of the existing compressor.
In order to achieve the aim of the application, the application adopts the following technical scheme:
A vibration damping device, comprising:
Body member and
The energy consumption piece is movably connected with the main body piece;
The main body piece is provided with a first matching part, the energy consumption piece is provided with a second matching part corresponding to the first matching part, a magnetic field is formed between the first matching part and the second matching part, and the first matching part or the second matching part is of a metal structure, so that the magnetic field is cut when the first matching part and the second matching part relatively move.
Further, in some embodiments of the present application, the first mating portion is a metal structure, and the second mating portion is a magnetic body.
Further, in some embodiments of the present application, the main body has a first side wall surface and a second side wall surface, where the first side wall surface is opposite to the second side wall surface, the first side wall surface is used to contact with a member to be damped, the second side wall surface is connected to the energy dissipation member, and the energy dissipation member can move toward or away from the second side wall surface.
Further, in some embodiments of the present disclosure, the main body is connected with a supporting rod, the energy dissipation member is provided with a through hole in a penetrating manner, the supporting rod penetrates through the through hole, and when the supporting rod is placed horizontally, the centroid of the energy dissipation member is located below the center line of the supporting rod penetrating through the through hole, and the second matching portion is disposed at the bottom of the energy dissipation member.
Further, in some embodiments of the present disclosure, the main body is provided with an inner cavity for installing the supporting rod, two ends of the supporting rod are respectively connected with two inner side walls disposed opposite to the inner cavity, and a limiting member is respectively disposed between the energy dissipation member and the two inner side walls, and is used for limiting a movement range of the energy dissipation member.
Further, in some embodiments of the present application, the main body is in an annular structure, the main body is connected with a plurality of energy dissipation members, the plurality of energy dissipation members are distributed along a circumferential direction of the main body, the first matching portion extends along the circumferential direction of the main body, and the first matching portion is located at one side of the energy dissipation member facing an axial direction of the main body.
Further, in some embodiments of the present application, the plurality of energy dissipation members at least includes a set of two adjacent energy dissipation members that are arranged in a staggered manner in a circumferential direction of the main body member, and at least one energy dissipation member is arranged corresponding to a middle portion of the main body member.
Further, in some embodiments of the present application, the main body includes a first energy dissipation section and a second energy dissipation section in a circumferential direction, and a distribution density of the energy dissipation section is greater than a distribution density of the energy dissipation section.
Further, in some embodiments of the present application, a gap between the first mating portion and the second mating portion ranges from 2mm to 5mm.
A compressor is provided with the vibration damper.
Further, in some embodiments of the present application, the compressor includes a liquid storage tank, a main cylinder, and a clip, the vibration damping device is disposed around the main cylinder, the energy dissipation member is movably disposed in a radial direction of the main cylinder, the clip is disposed outside the vibration damping device, and a locking head of the clip and the liquid storage tank are disposed on two opposite sides of the main cylinder.
According to the technical scheme, the vibration damper and the compressor have the advantages that:
According to the scheme, the vibration damper comprises a main body part and an energy consumption part, the energy consumption part is movably arranged on the main body part, the main body part is provided with a first matching part, the energy consumption part is provided with a second matching part corresponding to the first matching part, the first matching part and the second matching part are arranged in opposite directions, a magnetic field is formed between the first matching part and the second matching part, the first matching part or the second matching part is of a metal structure, and when the first matching part and the second matching part move relatively, the magnetic field can be cut to form an eddy current effect, so that kinetic energy is converted into heat energy, and vibration is effectively restrained.
The application also provides a compressor, the compressor is provided with the vibration damper, the vibration damper is arranged on the periphery of the compressor, the energy dissipation piece is movably arranged in the radial direction of the compressor, and the energy dissipation piece absorbs the radial vibration of the compressor, converts the radial vibration of the compressor into heat energy for dissipation, and effectively inhibits the radial vibration of the compressor.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view illustrating a structure of a compressor according to an exemplary embodiment.
Fig. 2 is a schematic view showing a radial sectional structure of a compressor according to an exemplary embodiment.
Fig. 3 is a first structural schematic diagram of a vibration damping device according to an exemplary embodiment.
Fig. 4 is a second structural schematic diagram of a vibration damping device according to an exemplary embodiment.
Fig. 5 is a schematic view showing a third structure of a vibration damping device according to an exemplary embodiment.
Fig. 6 is a schematic view showing a state in which a vibration damping device includes an energy consumption member mounted according to an exemplary embodiment.
Fig. 7 is a schematic diagram showing a relationship between a gap and a dissipation factor between a first mating portion and a second mating portion of a vibration damping device according to an exemplary embodiment.
Wherein reference numerals are as follows:
10-a main cylinder body, 20-a clamp, 30-a vibration damper, 40-a foot pad, 50-a liquid storage tank and 60-a fixing piece;
21-locking head;
31-main body part, 32-energy consumption part, 33-support rod, 34-limit part and 35-first matching part;
311-inner cavity, 312-first energy consumption section, 313-second energy consumption section, 314-first side wall surface, 315-second side wall surface.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present application are within the scope of the present application, and therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The rotor compressor generally consists of a main cylinder body, a liquid storage tank, a rubber foot pad and the like. Because the gravity center of the compressor is not in the geometric center of the main cylinder body due to the existence of the liquid storage tank, the working noise is large due to the large shaking degree of the compressor during working, and the service life of the compressor is also influenced, in order to solve the technical problem of the large radial shaking degree of the existing compressor, the application provides a vibration damping device and a compressor, the compressor is provided with the vibration damping device 30, the vibration damping device 30 comprises a main body part 31 and an energy consumption part 32, the energy consumption part 32 is movably arranged on the main body part 31, the main body part 31 is provided with a first matching part 35, the energy consumption part 32 is provided with a second matching part corresponding to the first matching part 35, the first matching part 35 and the second matching part are arranged in opposite directions, a magnetic field is formed between the first matching part 35 and the second matching part, the first matching part 35 or the second matching part is of a metal structure, when the first matching part 35 and the second matching part move relatively, the magnetic field can be cut, an electric vortex effect is formed, so that kinetic energy is converted into heat energy, vibration is effectively restrained, the vibration damper 30 is arranged on the periphery of the main cylinder body 10 of the compressor, the energy dissipation part 32 is movably arranged in the radial direction of the compressor, the energy dissipation part 32 absorbs radial vibration of the compressor, the radial vibration of the compressor is converted into heat energy to be dissipated, and the radial vibration of the compressor is effectively restrained.
It will be appreciated that when the first mating portion 35 is of a metal structure, the second mating portion is of a magnetic material, and the side of the second mating portion facing the first mating portion 35 is of a magnetic material, so as to generate a magnetic field, and when the second mating portion is of a metal structure, the first mating portion 35 is of a magnetic material, and the side of the first mating portion 35 facing the second mating portion is of a magnetic material, so that when the first mating portion 35 and the second mating portion are relatively moved, the magnetic field is cut, thereby forming an eddy current effect, and converting kinetic energy into thermal energy.
Fig. 1 is a schematic structural view of a compressor according to an exemplary embodiment, fig. 2 is a schematic radial sectional structural view of a compressor according to an exemplary embodiment, fig. 3 is a schematic first structural view of a vibration damping device 30 according to an exemplary embodiment, fig. 4 is a schematic second structural view of a vibration damping device 30 according to an exemplary embodiment, fig. 5 is a schematic third structural view of a vibration damping device 30 according to an exemplary embodiment, and fig. 6 is a schematic diagram of a mounting state of a vibration damping device 30 including a power consuming part 32 according to an exemplary embodiment.
Referring to fig. 1-6, the present application provides a vibration damper 30 and a compressor, in which the vibration damper 30 is installed, the compressor further includes a main cylinder 10, a clip 20, the vibration damper 30, a foot pad 40, a liquid storage tank 50, and a fixing member 60.
The three foot pads 40 are mounted on the bottom of the main cylinder body 10, the liquid storage tank 50 is fixedly connected with the main cylinder body 10 through the fixing piece 60, and the vibration damping device 30 comprises a main body piece 31 and an energy consumption piece 32 movably mounted on the main body piece 31. The three foot pads 40 realize axial vibration reduction of the main cylinder body 10 within a certain range, and the vibration reduction device 30 radially damps the main cylinder body 10. The vibration damper 30 is arranged around the main cylinder body 10, the energy dissipation member 32 is movably arranged in the radial direction of the main cylinder body 10, the clamping band 20 is arranged outside the vibration damper 30, the locking heads 21 of the clamping band 20 and the liquid storage tank 50 are arranged on two opposite sides of the main cylinder body 10, the clamping band 20 is made of a material with high rigidity, such as stainless steel, and the main cylinder body 10 is attached to the main body member 31, so that vibration transmission is facilitated.
In the embodiment of the present application, the main body member 31 has an annular structure, the main body member 31 is sleeved outside the main cylinder 10, and the main body member 31 is located above the middle portion of the main cylinder 10, or may be located as close to the connection position of the fixing member 60 and the main cylinder 10 as possible. The energy dissipation member 32 can reciprocate in the radial direction of the main cylinder body 10, the energy dissipation member 32 reciprocates to absorb a part of vibration, the main body member 31 is provided with a first matching portion 35, the energy dissipation member 32 is provided with a second matching portion, the first matching portion 35 is of a metal structure, preferably, the first matching portion 35 is made of copper, the second matching portion can be a magnetic member, preferably, the second matching portion can be a permanent magnet, one surface of the second matching portion facing the first matching portion 35 is magnetic, so that a magnetic field is cut when the first matching portion 35 and the second matching portion relatively move, an eddy current effect is formed, and kinetic energy is converted into heat energy.
Referring to fig. 3 and 6, the main body 31 is in an annular structure, the main body 31 is provided with an annular inner cavity 311 extending along the circumferential direction, the energy dissipation member 32 of the supporting rod 33 and the first matching part 35 are located in the inner cavity 311, the first matching part 35 is an annular copper plate, the first matching part 35 is arranged at the bottom of the inner cavity 311, two ends of the supporting rod 33 are respectively connected with two inner side walls opposite to the inner cavity 311, the energy dissipation member 32 penetrates through and is provided with a through hole, the supporting rod 33 penetrates through the through hole, the center of mass of the energy dissipation member 32 is located below the center line of the penetrating through hole of the supporting rod 33, the second matching part is arranged at the bottom of the energy dissipation member 32, a limiting member 34 is respectively arranged between the energy dissipation member 32 and the two inner side walls, and the limiting member 34 is used for limiting the moving range of the energy dissipation member 32. The limiting piece 34 can be a spring, the spring is sleeved on the supporting rod 33, one end of the limiting piece 34 is connected with the inner side wall of the inner cavity 311, and the other end of the limiting piece 34 is connected with the energy consumption piece 32.
The person skilled in the art can select the spring with larger elongation and moderate elasticity to avoid influencing the eddy current effect. At the same time, the energy dissipation member 32 can be prevented from being excessively moved to strike the inner side wall of the inner cavity 311, other vibration is avoided, and the vibration reduction effect is ensured. In some embodiments, the limiting member may be a vibration damping pad mounted on the energy dissipation member 32, or a chain connecting the main body member 31 and the energy dissipation member 32, respectively.
In the embodiment of the present application, a plurality of energy dissipation members 32 are distributed along the circumferential direction of the main body member 31, the first matching portion 35 extends along the circumferential direction of the main body member 31, the first matching portion 35 is located at one side of the energy dissipation member 32 facing the axial direction of the main body member 31, and the plurality of energy dissipation members 32 at least comprise a group of two adjacent energy dissipation members 32 which are staggered up and down along the circumferential direction of the main body member 31, and at least one energy dissipation member 32 is disposed corresponding to the middle portion of the main body member 31.
The distances between the plurality of energy dissipation parts 32 and the first matching part 35 are distributed in an unequal-distance mode, and the initial energy dissipation coefficients of different energy dissipation parts 32 are regulated and controlled through the distances, namely, different energy dissipation parts 32 are excited to generate motion under different vibration frequencies, so that the purpose of vibration reduction of a wider frequency band is achieved, and the full-frequency-band vibration reduction target covering the operation process of the compressor is achieved.
In combination with the vibration state of the compressor, the main body 31 is circumferentially divided into a first energy consumption segment 312 and a second energy consumption segment 313, the distribution density of the energy consumption members 32 in the first energy consumption segment 312 is greater than that in the second energy consumption segment 313, as shown in fig. 3-5, the first energy consumption segment 312 is provided with two, a first energy consumption segment 312 is provided between the broken line a and the broken line b and between the broken line c and the broken line d, a second energy consumption segment 313 is provided between the broken line a and the broken line d and between the broken line b and the broken line c, and the two first energy consumption segments 312 are located at opposite sides of the main body 31. The energy dissipation member 32 has a distribution density at the first energy dissipation segment 312 that is greater than a distribution density at the second energy dissipation segment 313. After the main body member 31 is sleeved on the main cylinder body 10, the first energy consumption section 312 corresponds to one side of the barycenter offset direction of the compressor, and the density of the energy consumption members 32 of the first energy consumption end is encrypted appropriately, so that the vibration reduction effect is better. Preferably, in the first energy dissipation section 312, the gap between the energy dissipation element 32 and the first matching portion 35 is controlled between 2mm and 3mm, so as to improve the energy dissipation coefficient of the energy dissipation element 32.
Referring to fig. 7, fig. 7 is a schematic diagram showing a relationship between a gap and a dissipation factor between a first mating portion 35 and a second mating portion of a vibration damping device 30 according to an exemplary embodiment. The energy dissipation effect of the gap between the energy dissipation piece 32 and the first matching part 35 is better between 2 mm and 5 mm.
Referring to fig. 4, fig. 4 is a structural diagram of a vibration damper 30 according to a second embodiment of the present application, in which a main body member 31 is formed in a ring-shaped sheet shape, a plurality of energy dissipation members 32 are connected to an inner circumferential surface of the main body member 31, and a support rod 33 directly contacts the main cylinder 10 after the vibration damper 30 is mounted, and the vibration damper has a vibration damping effect on the basis of the structure, but the vibration force transmission between the main cylinder 10 and the vibration damper 30 is weak.
Referring to fig. 5, fig. 5 shows a structure diagram of a third vibration damper 30 according to the present application, a main body 31 is in an annular structure, a first side wall surface 314 of the main body 31 is an inner annular surface, a second side wall surface 315 of the main body 31 is an outer annular surface, a second side wall surface 315 of the main body 31 is connected with a supporting rod 33, the supporting rod extends radially, a through hole is formed through the energy dissipation member 32, the supporting rod 33 penetrates through the through hole, the energy dissipation member 32 can reciprocate in a radial direction, when the supporting rod 33 is placed horizontally, a centroid of the energy dissipation member 32 is located below a center line of the through hole of the supporting rod 33, and a second matching portion is arranged at the bottom of the energy dissipation member 32, so that the energy dissipation member 32 is not turned over in a process of generating a relative movement cutting magnetic field with the first matching portion 35, a magnetic field cutting area is maximized, and as much vibration energy as possible is converted into heat energy to dissipate, and vibration of the compressor is suppressed.
Referring to fig. 7, the energy dissipation member 32 includes a first energy dissipation part and a second energy dissipation part, the first energy dissipation part is in a hemispherical structure, the second energy dissipation part may be in a square structure with a larger plane, the first energy dissipation part has a circular surface and an arc surface, the circular surface of the first energy dissipation part is connected with the second energy dissipation part, in the embodiment of the application, the energy dissipation member 32 adopts a form of combining a magnet and a metal block, the material cost is reduced, the first energy dissipation part may be made of stainless steel or lead, the second energy dissipation part may be divided into an upper part and a lower part, the upper part may be made of stainless steel or lead, the lower part is used as the second matching part, the magnet is adopted to make the surface of the second matching part facing the first matching part 35 have magnetism,
The energy dissipation members 32 are provided in plurality, the plurality of energy dissipation members 32 are distributed in the circumferential direction of the main body member 31, and the second mating portion is designed as an annular copper plate, and is located below the energy dissipation members 32 when the energy dissipation members 32 are placed horizontally. In this embodiment, the downward facing surface of the energy dissipation member 32 has magnetism and is disposed parallel to the copper plate.
The support rod 33 is provided with two limiting pieces 34, the limiting pieces 34 have certain elasticity, in fig. 5, two sides of the moving direction of the energy dissipation piece 32 are respectively connected with the limiting pieces 34, the limiting pieces 34 of the side, facing the second side wall surface 315, of the energy dissipation piece 32 are connected with the second side wall surface 315, the limiting pieces 34 of the side, facing away from the second side wall surface 315, of the energy dissipation piece 32 are connected with the support rod 33, the limiting pieces 34 limit the moving range of the energy dissipation piece 32, and in the structure shown in fig. 5, the separation of the energy dissipation piece 32 and the support rod 33 is avoided.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the general inventive concept. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.