阅读说明：本技术 减振装置及压缩机 (Vibration damper and compressor ) 是由 黎优霞 姬小伟 梁博 王现林 熊绍森 于 2021-10-12 设计创作，主要内容包括：本申请总体来说涉及压缩机技术领域,具体而言,涉及一种减振装置及压缩机,压缩机安装有该减振装置,减振装置包括主体件及耗能件,耗能件可移动安装于主体件,主体件设置有第一配合部,耗能件对应第一配合部设置有第二配合部,第一配合部与第二配合部相向设置,第一配合部与第二配合部之间形成有磁场,第一配合部或第二配合部为金属结构,第一配合部和第二配合部相对运动时,可以切割磁场,形成电涡流效应,从而将动能转换成热能,从而有效抑制振动,减振装置安装于压缩机的周侧,耗能件在压缩机的径向上可移动设置,耗能件吸收压缩机的径向振动,将压缩机的径向振动转换成热能耗散,有效抑制压缩机的径向振动。(The application relates to the technical field of compressors in general, and in particular relates to a vibration damper and a compressor, wherein the vibration damper is installed on the compressor, the vibration damper comprises a main body piece and an energy consumption piece, the energy consumption piece is movably installed on 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, the first matching part and the second matching part are oppositely arranged, 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, when the first matching part and the second matching part move relatively, the magnetic field can be cut to form an electric eddy current effect, so that kinetic energy is converted into heat energy, vibration is effectively inhibited, the vibration damper is installed on the peripheral side of the compressor, the energy consumption piece is movably arranged in the radial direction of the compressor, the energy consumption piece absorbs the radial vibration of the compressor, and converts the radial vibration of the compressor into heat energy for dissipation, radial vibration of the compressor is effectively suppressed.)

1. A vibration damping device, comprising:

a main body member (31); and

a dissipative member (32) movably connected to the main body member (31);

the main body piece (31) is provided with a first matching portion (35), the energy dissipation piece (32) is provided with a second matching portion corresponding to the first matching portion (35), a magnetic field is formed between the first matching portion (35) and the second matching portion, and the first matching portion (35) or the second matching portion is of a metal structure so that the magnetic field is cut when the first matching portion (35) and the second matching portion move relatively.

2. The vibration damping device according to claim 1, wherein the first engaging portion (35) is a metal structure, and the second engaging portion is a magnetic body.

3. Damping device according to claim 1, characterized in that the body part (31) has a first side wall (314) and a second side wall (315), the first side wall (314) being arranged facing away from the second side wall (315), the first side wall (314) being intended to be in contact with a part to be damped, the second side wall (315) being connected to the energy dissipating element (32), the energy dissipating element (32) being movable towards or away from the second side wall (315).

4. The vibration damping device according to claim 1, wherein a support rod (33) is connected to the main body member (31), a through hole is formed through the energy dissipating member (32), the support rod (33) penetrates through the through hole, and when the support rod (33) is horizontally placed, the center of mass of the energy dissipating member (32) is located below the center line of the support rod (33) penetrating through the through hole, and the second engaging portion is disposed at the bottom of the energy dissipating member (32).

5. The vibration damping device according to claim 4, wherein the main body member (31) is provided with an inner cavity (311) for mounting the support rod (33), two ends of the support rod (33) are respectively connected with two inner side walls arranged opposite to the inner cavity (311), 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).

6. The vibration damping device according to claim 1, wherein the main body member (31) has a ring-shaped structure, a plurality of the energy dissipating members (32) are connected to the main body member (31), the plurality of the energy dissipating members (32) are distributed along a circumferential direction of the main body member (31), the first engaging portion (35) is disposed to extend along the circumferential direction of the main body member (31), and the first engaging portion (35) is located on an axial direction side of the energy dissipating member (32) facing the main body member (31).

7. The vibration damping device according to claim 6, wherein at least one group of two adjacent energy dissipating members (32) among the plurality of energy dissipating members (32) are arranged in a staggered manner in the circumferential direction of the main body member (31), and at least one energy dissipating member (32) is arranged corresponding to the middle portion of the main body member (31).

8. The vibration damping device according to claim 6, wherein the main body member (31) comprises a first dissipative segment (312) and a second dissipative segment (313) in the circumferential direction, and the distribution density of the dissipative members (32) in the first dissipative segment (312) is greater than the distribution density in the second dissipative segment (313).

9. Damping device according to any one of claims 1 to 8, in which the clearance between the first fitting part (35) and the second fitting part is in the range 2mm to 5 mm.

10. A compressor, characterized in that a vibration damping device according to any one of claims 1 to 9 is installed.

11. The compressor of claim 10, comprising a reservoir (50), a main cylinder (10), and a yoke (20), wherein the vibration damper is disposed around the main cylinder (10), the energy dissipation member (32) is movably disposed in a radial direction of the main cylinder (10), the yoke (20) is disposed outside the vibration damper, and the locking head (21) of the yoke (20) and the reservoir (50) are disposed on opposite sides of the main cylinder (10).

Technical Field

The application relates to the technical field of compressors in general, and particularly relates to a vibration damper and a compressor.

Background

The rotor type compressor is widely applied to the field of air conditioners due to simple structure and low cost. The rotor compressor generally comprises a main cylinder body, a liquid storage tank, a rubber foot pad and the like. Because of the existence of the liquid storage tank, the gravity center of the compressor is not positioned at the geometric center of the main cylinder body, the shaking degree of the compressor during working is large, the working noise is large, and the service life of the compressor is influenced.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described 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.

In order to solve the technical problem that the radial shaking degree of the existing compressor is large, the application provides a vibration damping device and the compressor.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

a vibration damping device comprising:

a main body member; and

the energy consumption piece is movably connected with the main body piece;

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, 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 move relatively.

Further, in some embodiments of the present disclosure, the first mating portion is a metal structure, and the second mating portion is a magnetic body.

Further, in some embodiments of the present disclosure, the main body has a first side wall surface and a second side wall surface, the first side wall surface and the second side wall surface are disposed opposite to each other, the first side wall surface is used for contacting 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 this application scheme, above-mentioned main part piece is connected with the bracing piece, the piece that consumes energy runs through and is provided with the through-hole, the bracing piece is worn to establish the through-hole, just when the bracing piece level was placed, the barycenter of the piece that consumes energy is located the bracing piece runs through the central line below of through-hole, second cooperation portion set up in the bottom of the piece that consumes energy.

Further, in some embodiments of the present application scheme, the main body member is provided with an inner cavity for installing the support rod, two ends of the support rod are respectively connected to two inner side walls of the inner cavity, which are oppositely disposed, a limiting member is respectively disposed between the energy dissipation member and the two inner side walls, and the limiting member is used for limiting a moving range of the energy dissipation member.

Further, in some embodiments of the present disclosure, the main body is a ring structure, the main body is connected to a plurality of energy dissipation members, the plurality of energy dissipation members are distributed along a circumferential direction of the main body, the first engaging portion extends along the circumferential direction of the main body, and the first engaging portion is located on one side of the energy dissipation member facing an axial direction of the main body.

Further, in some embodiments of the present disclosure, at least one group of two adjacent energy consuming members is disposed in a staggered manner in a circumferential direction of the main body member, and at least one energy consuming member is disposed corresponding to a middle portion of the main body member.

Further, in some embodiments of the present disclosure, the main body member includes a first energy dissipating section and a second energy dissipating section in a circumferential direction, and a distribution density of the energy dissipating members in the first energy dissipating section is greater than a distribution density of the energy dissipating members in the second energy dissipating section.

Further, in some embodiments of the present disclosure, the clearance between the first mating portion and the second mating portion ranges from 2mm to 5 mm.

A compressor is provided with the vibration damper.

Further, in some embodiments of this application scheme, above-mentioned compressor includes liquid storage pot, the master cylinder body and clamp, damping device encircles the master cylinder body sets up, power consumption spare is in the portable setting of radial direction of the master cylinder body, the clamp set up in the damping device outside, the locking head of clamp with the liquid storage pot set up in the opposite sides of the master cylinder body.

According to the technical scheme, the vibration damping device and the compressor have the advantages and positive effects that:

the utility model provides a vibration damper, vibration damper includes main part spare and power consumption spare, power consumption spare movably installs in main part spare, main part spare is provided with first cooperation portion, power consumption spare corresponds first cooperation portion and is provided with second cooperation portion, first cooperation portion sets up with second cooperation portion in opposite directions, be formed with magnetic field between first cooperation portion and the second cooperation portion, first cooperation portion or second cooperation portion are metal structure, when first cooperation portion and second cooperation portion relative motion, can cut magnetic field, form the eddy current effect, thereby convert kinetic energy into heat energy, thereby effectively restrain the vibration.

This application scheme still provides a compressor, and above-mentioned vibration damper is installed to the compressor, and vibration damper installs in the week side of compressor, and power consumption spare is radially portable the setting at the compressor, and power consumption spare absorbs the radial vibration of compressor, converts the radial vibration of compressor into heat energy dissipation, effectively suppresses the radial vibration of 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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view illustrating a structure of a compressor according to an exemplary embodiment.

Fig. 2 is a schematic view of a radial cross-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 diagram of a vibration damping device according to an exemplary embodiment.

Fig. 5 is a third structural diagram of a vibration damping device according to an exemplary embodiment.

Fig. 6 is a schematic view illustrating an installation state of a vibration damping device including a dissipative member according to an exemplary embodiment.

Fig. 7 is a schematic diagram illustrating a relationship between a clearance 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 the reference numerals are as follows:

10-a main cylinder body; 20-clamping a hoop; 30-a vibration damping device; 40-foot pad; 50-a liquid storage tank; 60-a fixing member;

21-a locking head;

31-a body member; 32-energy consuming parts; 33-support rods; 34-a stop; 35-a first mating portion;

311-lumen; 312-a first energy consuming stage; 313-a second energy consumption section; 314-a first sidewall surface; 315-second sidewall surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application are within the scope of the present application without inventive efforts, and therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention but only to represent selected embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The rotor compressor generally comprises a main cylinder body, a liquid storage tank, a rubber foot pad and the like. Because the existence of the liquid storage tank causes the gravity center of the compressor not to be at the geometric center of the main cylinder body, the shaking degree of the compressor during working is large, the working noise is large, and the service life of the compressor is influenced, therefore, in order to solve the technical problem that the radial shaking degree of the existing compressor is large, the application provides a vibration damping device and a compressor, the vibration damping device 30 is installed on the compressor, the vibration damping device 30 comprises a main body part 31 and an energy consumption part 32, the energy consumption part 32 is movably installed 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 oppositely arranged, 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 relatively move, the vibration damping device 30 is installed on the periphery of the main cylinder body 10 of the compressor, the energy dissipation piece 32 is movably arranged in the radial direction of the compressor, the energy dissipation piece 32 absorbs the 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 can be understood that, when the first matching part 35 is a metal structure, the second matching part is a magnetic body, and one surface of the second matching part facing the first matching part 35 has magnetism, so as to generate a magnetic field; when the second matching part is of a metal structure, the first matching part 35 is a magnetic body, and one surface of the first matching part 35 facing the second matching part has magnetism, so that when the first matching part 35 and the second matching part move relatively, a magnetic field is cut, an eddy current effect is formed, and kinetic energy is converted into heat energy.

Fig. 1 is a schematic structural view of a compressor according to an exemplary embodiment, fig. 2 is a schematic structural view of a radial section of a compressor according to an exemplary embodiment, fig. 3 is a first schematic structural view of a vibration damping device 30 according to an exemplary embodiment, fig. 4 is a second schematic structural view of a vibration damping device 30 according to an exemplary embodiment, fig. 5 is a third schematic structural view of a vibration damping device 30 according to an exemplary embodiment, and fig. 6 is a schematic structural view of an installation state of a vibration damping device 30 including a dissipative element 32 according to an exemplary embodiment.

Referring to fig. 1 to 6, the present application provides a vibration damping device 30 and a compressor, wherein the compressor is provided with the vibration damping device 30, and the compressor further comprises a main cylinder 10, a hoop 20, a vibration damping device 30, a foot pad 40, a liquid storage tank 50 and a fixing member 60.

The three foot pads 40 are mounted at the bottom of the main cylinder 10, the liquid storage tank 50 is fixedly connected with the main cylinder 10 through a fixing member 60, and the damping device 30 comprises a main body member 31 and an energy consumption member 32 movably mounted on the main body member 31. The three foot pads 40 realize the vibration reduction of the main cylinder 10 in the axial direction within a certain range, and the vibration reduction device 30 realizes the vibration reduction of the main cylinder 10 in the radial direction. The damping device 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 hoop 20 is arranged on the outer side of the damping device 30, the locking head 21 and the liquid storage tank 50 of the hoop 20 are arranged on two opposite sides of the main cylinder body 10, and the hoop 20 is made of a material with high rigidity, such as stainless steel, so that the main cylinder body 10 is attached to the main body member 31, and vibration transmission is facilitated.

In the embodiment of the present application, the main body 31 has a ring structure, the main body 31 is sleeved outside the main cylinder 10, and the main body 31 is located above the middle portion of the main cylinder 10, or may be as close as possible to the connection position of the fixing member 60 and the main cylinder 10. The energy dissipation member 32 can reciprocate in the radial direction of the main cylinder 10, the energy dissipation member 32 can reciprocate 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 select a permanent magnet, and 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 move relatively, 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 an annular structure, the main body 31 is provided with an annular inner cavity 311 extending along a circumferential direction, the supporting rod 33 consumes energy 32, the first matching portion 35 is located in the inner cavity 311, the first matching portion 35 is an annular copper plate, the first matching portion 35 is disposed 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 consuming energy 32 is provided with a through hole in a penetrating manner, the supporting rod 33 is provided with a through hole in a penetrating manner, a center of mass of the consuming energy 32 is located below a center line of the supporting rod 33 penetrating through the through hole, the second matching portion is disposed at the bottom of the consuming energy 32, a limiting member 34 is disposed between the consuming energy 32 and the two inner side walls, and the limiting member 34 is used for limiting a moving range of the consuming energy 32. The limiting member 34 may be a spring, the spring is sleeved on the support rod 33, one end of the limiting member 34 is connected to the inner sidewall of the inner cavity 311, and the other end of the limiting member 34 is connected to the energy consumption member 32.

Those skilled in the art can select a spring with a larger elongation and a moderate elasticity to avoid the influence on the eddy current effect. Meanwhile, the energy consumption piece 32 can be prevented from impacting the inner side wall of the inner cavity 311 due to excessive movement, other vibration is avoided, and the vibration reduction effect is ensured. In some embodiments, the limiting member may be a damping pad mounted on the dissipative element 32, or a chain connecting the body member 31 and the dissipative element 32, respectively.

In this embodiment, the 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 on one side of the energy dissipation member 32 facing the axial direction of the main body member 31, at least one group of two adjacent energy dissipation members 32 is arranged in the circumferential direction of the main body member 31 in a vertically staggered manner, and at least one energy dissipation member 32 is arranged in the middle of the main body member 31.

The distances from the energy consumption pieces 32 to the first matching part 35 are distributed in an unequal distance mode, the initial energy consumption coefficients of the energy consumption pieces 32 are adjusted and controlled through the distances, namely, the different energy consumption pieces 32 are excited to move under different vibration frequencies, and the purpose of vibration reduction of a wide frequency band is achieved, so that 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 divided into a first energy consumption section 312 and a second energy consumption section 313 in the circumferential direction, the distribution density of the energy consumption parts 32 in the first energy consumption section 312 is greater than that in the second energy consumption section 313, as shown in fig. 3-5, the first energy consumption sections 312 are arranged in two numbers, the first energy consumption sections 312 are arranged between the dotted line a and the dotted line b and between the dotted line c and the dotted line d, the second energy consumption sections 313 are arranged between the dotted line a and the dotted line d and between the dotted line b and the dotted line c, and the two first energy consumption sections 312 are located on two opposite sides of the main body 31. The distribution density of the dissipative members 32 in the first dissipative segment 312 is greater than the distribution density in the second dissipative segment 313. After the main body piece 31 is sleeved on the main cylinder body 10, the first energy consumption section 312 corresponds to one side of the displacement direction of the mass center of the compressor, and the density of the energy consumption pieces 32 at the first energy consumption end is properly encrypted, so that the vibration reduction effect is better achieved. Preferably, in the first energy consumption section 312, the gap between the energy consumption piece 32 and the first matching part 35 is controlled to be between 2mm and 3mm, so that the energy consumption coefficient of the energy consumption piece 32 is improved.

Referring to fig. 7, fig. 7 is a schematic diagram illustrating a relationship between a gap and a dissipation coefficient between the first engagement portion 35 and the second engagement portion of the vibration damping device 30 according to an exemplary embodiment. The clearance between the energy dissipation member 32 and the first matching part 35 is between 2mm and 5mm, and the energy dissipation effect is good.

Referring to fig. 4, fig. 4 is a structural view of a second damping device 30 of the present application, in which a main body 31 is in a ring-shaped sheet shape, a plurality of energy consumption members 32 are connected to an inner circumferential surface of the main body 31, and a support rod 33 directly contacts with a main cylinder 10 after the damping device 30 is installed, and on the basis of this structure, the damping effect is also obtained, but the transmission of the vibration force between the main cylinder 10 and the damping device 30 is weak.

Referring to fig. 5, fig. 5 is a structural view of a third damping device 30 of the present application, in which a main body 31 is in a ring shape, a first side wall 314 of the main body 31 is an inner ring surface, a second side wall 315 of the main body 31 is an outer ring surface, a support rod 33 is connected to the second side wall 315 of the main body 31, the support member extends radially, a through hole is formed through the dissipative element 32, the support rod 33 is inserted through the through hole, the dissipative element 32 can reciprocate in the radial direction, and when the supporting rod 33 is placed horizontally, the mass center of the energy dissipation piece 32 is located below the central line of the supporting rod 33 penetrating through the through hole, the second matching portion is arranged at the bottom of the energy dissipation piece 32, the energy dissipation piece 32 is ensured not to turn over in the process of generating relative motion with the first matching portion 35 to cut a magnetic field to form an eddy current, the cutting area of the magnetic field is maximized, vibration energy as much as possible is converted into heat energy to be dissipated, and the vibration of the compressor is inhibited.

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 a hemisphere structure, the second energy dissipation part can be 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 this embodiment, the energy dissipation member 32 is in a form of combining a magnet and a metal block to reduce material cost, the first energy dissipation part can be made of stainless steel or lead, the second energy dissipation part can be divided into an upper part and a lower part, the upper part can be made of stainless steel or lead, the lower part is made of a second matching part, the magnet is used, and a surface of the second matching part facing the first matching part 35 has magnetism,

the energy dissipation member 32 is provided in plurality, and a plurality of energy dissipation members 32 are distributed in the circumferential direction of the main body member 31, and the second engagement portion is designed as an annular copper plate, and is located below the energy dissipation member 32 when the energy dissipation member 32 is horizontally placed. In this embodiment, the downward surface of the energy dissipation member 32 has magnetism and is parallel to the copper plate.

Two limiting parts 34 are arranged on the supporting rod 33, the limiting parts 34 have certain elasticity, in fig. 5, the limiting parts 34 are respectively connected to two sides of the energy consumption part 32 in the moving direction, the limiting part 34 of the energy consumption part 32 facing to one side of the second side wall surface 315 is connected to the second side wall surface 315, the limiting part 34 of the energy consumption part 32 facing away from one side of the second side wall surface 315 is connected to the supporting rod 33, and the limiting part 34 limits the moving range of the energy consumption part 32, so that the energy consumption part 32 is prevented from being separated from the supporting rod 33 in the structure shown in fig. 5.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present 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.