CN210688829U - Liquid accumulator support structure and compressor - Google Patents
Liquid accumulator support structure and compressor Download PDFInfo
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- CN210688829U CN210688829U CN201921478163.5U CN201921478163U CN210688829U CN 210688829 U CN210688829 U CN 210688829U CN 201921478163 U CN201921478163 U CN 201921478163U CN 210688829 U CN210688829 U CN 210688829U
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Abstract
The utility model provides a reservoir supporting structure and compressor, including the first portion, second portion, third portion, fourth part and the fifth part that connect gradually, first portion and fifth part respectively with the reservoir is connected, the third portion with the casing is connected, contained angle between second portion and fourth portion and the third part is less than or equal to 60. The utility model discloses can effectively improve reservoir tangential low frequency modal frequency, avoid reservoir low frequency resonance, noise reduction.
Description
Technical Field
The utility model relates to a compressor field, specifically speaking relates to a reservoir supporting structure and compressor of avoiding noise.
Background
The rotary compressor is a new type of compressor, and its motor does not need to convert the rotary motion of rotor into reciprocating motion of piston, but directly drives the rotary piston to make rotary motion to complete the compression of refrigerant vapor.
The air compressor is more suitable for small air conditioners, and particularly has wider application on household air conditioners. For example, rotary air compressors manufactured by U.S. general electric and vopp have been designed with better anti-overheating and lubrication devices. It adopts the cooling mode of leading part of refrigerant liquid in condenser to compression chamber by using pipe to make it be injected in cylinder, so that its cooling effect can be raised.
The rotary compressor has the main advantages that: because the piston does the rotary motion, the compression work is smooth and stable and balanced. In addition, the rotary air compressor has no clearance volume and no interference of re-expansion gas, so that the rotary air compressor has the advantages of high compression efficiency, few parts, small volume, light weight, good balance performance, complete protection measures, low power consumption and the like.
The noise problem is also a concern to users when the rotary compressor is applied to a home air conditioner. The accumulator is an important part of the rotary compressor and is also one of the main sound sources, particularly, a tangential first-order mode of the accumulator in a low frequency band is often consistent with the operating frequency of the inverter compressor to cause resonance and generate noise, and when the system pipeline is not designed reasonably, the resonance can cause the system pipeline to resonate, so that the noise is greatly increased.
Although the prior art can effectively reduce the noise radiation level by means of optimizing the pipeline design, adding a balancing weight, damping glue and the like, the best method is to improve the tangential first-order modal frequency of the liquid storage device as much as possible and avoid the resonance of a low frequency band.
Therefore, those skilled in the art have made an effort to develop a compressor having high efficiency and a simple structure, which can effectively reduce noise.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims to provide a reservoir supporting structure and compressor can effectively improve reservoir tangential low frequency modal frequency, avoids reservoir low frequency resonance, noise reduction.
According to an aspect of the utility model, a reservoir supporting structure is provided, is applicable to rotary compressor, rotary compressor includes and passes through reservoir supporting structure contacts casing and reservoir of connecting, instituteThe liquid storage device support structure supports the shell and the liquid storage device through contact connection, the liquid storage device support structure comprises a first part, a second part, a third part, a fourth part and a fifth part which are sequentially connected, the first part and the fifth part are respectively in contact connection with the liquid storage device, the third part is in contact connection with the shell, and an included angle between the second part and the third part is α1The included angle between the fourth part and the third part is α2Said α1Less than or equal to 60 degrees, the α2≤60°。
Preferably: the cross section of the shell is circular, and the first part is arc-shaped and arranged on the outer surface of the shell.
Preferably: the cross section of the liquid reservoir is circular, and the first part and the fifth part are respectively tangent to the outer surface of the liquid reservoir.
Preferably: the reservoir holder structure is symmetrical along a centerline of the first portion.
Preferably: the reservoir, the first portion, the second portion, the fourth portion, and the fifth portion are located on one side of the third portion, and the housing is located on the other side of the third portion.
Preferably, the α1＝60°。
Preferably, the α1＝45°。
Preferably, the α2＝60°。
Preferably, the α2＝45°。
According to another aspect of the present invention, there is provided a compressor comprising a reservoir bracket structure according to the above.
The utility model discloses a reservoir supporting structure and compressor can effectively improve reservoir tangential low frequency modal frequency, avoids reservoir low frequency resonance, noise reduction.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a reservoir holder structure according to an embodiment of the present invention.
Reference numerals
1 liquid storage device support structure
2 casing
3 liquid reservoir
4 first part
5 second part
6 third part
7 fourth section
8 fifth part
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
As shown in fig. 1, in an embodiment of the present invention, an accumulator support structure and a compressor, preferably a rotary compressor, are provided.
The rotary compressor preferably comprises a housing 2 and an accumulator 3 in contact connection by an accumulator support structure 1. The reservoir holder structure 1 supports the housing 2 and the reservoir 3 by being in contact with the housing 2 and the reservoir 3 respectively,
the reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence.
Preferably, the first part 4 and the fifth part 8 are each connected in contact with the reservoir 3. The third part 6 is connected in contact with the housing 2.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the first and second portions 4 and 5, and the fourth and fifth portions 7 and 8 are respectively formed to extend outward along both ends of the third portion 6. And preferably the reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the third portion 6 is disposed on the outer surface of the casing 2 in cooperation with the casing 2, an included angle between two ends of the third portion 6 and a perpendicular line of the center line of the casing 2 is greater than or equal to 45 ° and less than or equal to 90 °, and the third portion 6 is attached to and contacted with the outer surface of the casing 2 through the third portion 6, so as to contact the third portion 6 of the reservoir holder structure 1 with the casing 2.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the first portion 4 and the fifth portion 8 are respectively connected to the outer surface of the reservoir 3 through point contact, an included angle between a contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 and a perpendicular line between the center line of the reservoir 3 is greater than or equal to 90 ° and less than or equal to 180 °, the first portion 4 and the fifth portion 8 of the reservoir holder structure 1 are connected to the reservoir 3 through contact between the first portion 4 and the fifth portion 8, and the housing 2 and the reservoir 3 are finally connected to each other through the reservoir holder structure 1.
Furthermore, as shown in fig. 1, in the embodiment of the present invention, the included angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1≤60°，α2≤60°。
As shown in fig. 1, in the embodiment of the present invention, the third portion 6, the first portion 4 and the fifth portion 8 are in rigid contact with the housing 2 and the liquid reservoir 3, respectively, but are not fixed together, and the third portion 6 engaging and connecting with the outer surface of the housing 2 improves the tangential stiffness of the stent, and the modal frequency increases due to the increased stiffness. But the length of the third part 6 can not be increased without limit, the utility model discloses a many times of experiments, have limited third part 6 length from this, the angle at the both ends of third part 6.
Additionally, in the embodiment of the present invention, the first portion 4 and the fifth portion 8 contact and are connected to the outer surface of the liquid reservoir 3, so as to ensure that the liquid reservoir has a larger area supported by the bracket, thereby improving the tangential rigidity of the liquid reservoir, and at the same time, the present invention also defines the angle formed by the first portion 4 and the fifth portion 8 through multiple tests.
Furthermore, as shown in fig. 1, in the embodiment of the present invention, the included angle between the second portion 5 and the fourth portion 7 and the third portion 6 can play a role of stabilizing the holder of the reservoir, and can enhance the tangential rigidity of the holder, similar to making a tangential support for the reservoir. Simultaneously the utility model discloses a many times of experiments have also injectd the contained angle between second portion 5 and fourth part 7 and the third part 6.
The utility model discloses a reservoir supporting structure and compressor of embodiment can effectively improve reservoir tangential low frequency modal frequency, avoids reservoir low frequency resonance, noise reduction.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the cross section of the housing 2 has a circular shape, and the third portion 6 is disposed on the outer surface of the housing 2 in a circular arc shape. Namely, the part of the third part 6 jointed with the shell 2 is in the shape of a circular arc, so that the third part can be better jointed with the outer surface of the shell 2, and the tangential rigidity of the bracket is improved.
And preferably the reservoir 3 has a circular cross-sectional shape, the first portion 4 and the fifth portion 8 being each tangential to the outer surface of the reservoir 3. I.e. the portions of the first portion 4 and the fifth portion 8 in contact and connected to the reservoir 3 are straight and form a tangent to the outer surface of the reservoir 3, ensuring that a large area of the reservoir is supported by the holder, increasing the tangential stiffness of the reservoir.
In addition, as shown in fig. 1, in the embodiment of the present invention, it is preferable that the case 2 is not in contact with the reservoir 3, preventing resonance.
Preferably, the reservoir scaffold 1 is symmetrical along the centre line of the third portion 6, i.e. perpendicular to the centre line of the third portion 6 in the plane as shown in fig. 1. And preferably the centre line of the third portion 6 passes through the centre of the cross-section of the housing 2 and the reservoir 3.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the second portion 5 and the fourth portion 7 are bent toward the inner direction of the third portion 6, and the first portion 4 and the fifth portion 8 are bent toward the outer direction of the third portion 6, so that the tangential rigidity of the stent can be enhanced.
The invention is described below in terms of specific embodiments:
example 1
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 contacts and abuts the outer surface of the housing 2, and the angle between both ends of the third portion 6 and the perpendicular line to the center line of the housing 2 is 45 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, the contact points of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 forming an angle of 90 ° with the perpendicular between the centre line of the reservoir 3.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝60°，α2＝60°
Tests show that the first-order modal frequency of the compressor is 315Hz, which is far greater than the first-order modal frequency of the existing compressor of about 200 Hz.
Example 2
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 is in contact with and attached to the outer surface of the housing 2, and the angle between both ends of the third portion 6 and the perpendicular line of the center line of the housing 2 is 55 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, and the contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 forms an angle of 95 ° with the perpendicular between the centre line of the reservoir 3.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝45°，α2＝50°
Tests show that the first-order modal frequency of the compressor is 313Hz which is far greater than the first-order modal frequency of the existing compressor of about 200 Hz.
Example 3
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 contacts and abuts the outer surface of the housing 2, and the angle between the two ends of the third portion 6 and the perpendicular to the center line of the housing 2 is 65 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, and the angle between the contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 and the perpendicular to the centre line of the reservoir 3 is 125 °.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝45°，α2＝45°
Tests show that the first-order modal frequency of the compressor is 314Hz, which is far greater than the first-order modal frequency of the existing compressor, which is about 200 Hz.
Example 4
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 is in contact with and attached to the outer surface of the housing 2, and the angle between the two ends of the third portion 6 and the perpendicular line of the center line of the housing 2 is 90 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, and the contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 forms an angle of 180 ° with the perpendicular between the centre line of the reservoir 3.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝30°，α2＝30°
Tests show that the first-order modal frequency of the compressor is 312Hz, which is far greater than the first-order modal frequency of the existing compressor of about 200 Hz.
Example 5
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 contacts and abuts the outer surface of the housing 2, and the angle between both ends of the third portion 6 and the perpendicular line to the center line of the housing 2 is 80 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, and the angle between the contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 and the perpendicular to the centre line of the reservoir 3 is 160 °.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝35°，α2＝35°
Tests show that the first-order modal frequency of the compressor is 314Hz, which is far greater than the first-order modal frequency of the existing compressor, which is about 200 Hz.
Example 6
As shown in fig. 1, a compressor includes an accumulator support structure 1, a casing 2, and an accumulator 3. The housing 2 and the reservoir 3 are connected by a reservoir holder structure 1.
The reservoir holder structure 1 comprises a first part 4, a second part 5, a third part 6, a fourth part 7 and a fifth part 8 connected in sequence. The first portion 4 and the fifth portion 8 are each in contact with the reservoir 3. The third portion 6 is in contact with the housing 2.
The second part 5 and the fourth part 7 are bent towards the inner side of the third part 6, and the first part 4 and the fifth part 8 are bent towards the outer side of the third part 6
The reservoir 3, the first part 4, the second part 5, the fourth part 7 and the fifth part 8 are located on one side of the third part 6 and the housing 2 is located on the other side of the third part 6.
The third portion 6 contacts and abuts the outer surface of the housing 2, and the angle between both ends of the third portion 6 and the perpendicular line to the center line of the housing 2 is 75 °.
The first portion 4 and the fifth portion 8 are each tangent to the outer surface of the reservoir 3, and the angle between the contact point of the first portion 4 and the fifth portion 8 with the outer surface of the reservoir 3 and the perpendicular to the centre line of the reservoir 3 is 115 °.
The angle between the second part 5 and the third part 6 is α1The angle between the fourth part 7 and the third part 6 is α2，α1＝50°，α2＝50°
Through tests, the first-order modal frequency of the compressor is 317Hz, and is far greater than the first-order modal frequency of the existing compressor, which is about 200 Hz.
To sum up, the utility model discloses a reservoir supporting structure and compressor of embodiment can effectively improve reservoir tangential low frequency modal frequency, avoid reservoir low frequency resonance, noise reduction.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a reservoir supporting structure, is applicable to rotary compressor, rotary compressor includes through reservoir supporting structure (1) contact shell (2) and reservoir (3) of connecting, reservoir supporting structure (1) connects through the contact and supports shell (2) and reservoir (3), its characterized in that, reservoir supporting structure (1) including first part (4), second part (5), third part (6), fourth part (7) and fifth part (8) that connect gradually, first part (4) and fifth part (8) respectively with reservoir (3) contact is connected, third part (6) with shell (2) contact is connected, the contained angle between second part (5) and third part (6) is α1The included angle between the fourth part (7) and the third part (6) is α2Said α1Less than or equal to 60 degrees, the α2≤60°。
2. The reservoir cradle structure of claim 1, wherein: the cross section of the shell (2) is circular, and the first part (4) is arranged on the outer surface of the shell (2) in a circular arc shape.
3. The reservoir cradle structure of claim 1, wherein: the cross section of the liquid reservoir (3) is circular, and the first part (4) and the fifth part (8) are respectively tangent to the outer surface of the liquid reservoir (3).
4. The reservoir cradle structure of claim 1, wherein: the reservoir holder structure (1) is symmetrical along a centre line of the first part (4).
5. The reservoir cradle structure of claim 1, wherein: the reservoir (3), the first portion (4), the second portion (5), the fourth portion (7) and the fifth portion (8) are located on one side of the third portion (6), and the housing (2) is located on the other side of the third portion (6).
6. The holder structure for liquid storage device according to claim 1, wherein said α1＝60°。
7. The holder structure for liquid storage device according to claim 1, wherein said α1＝45°。
8. The holder structure for liquid storage device according to claim 1, wherein said α2＝60°。
9. The holder structure for liquid storage device according to claim 1, wherein said α2＝45°。
10. A compressor, characterized by: comprising a reservoir stand structure according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478163.5U CN210688829U (en) | 2019-09-04 | 2019-09-04 | Liquid accumulator support structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478163.5U CN210688829U (en) | 2019-09-04 | 2019-09-04 | Liquid accumulator support structure and compressor |
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| Publication Number | Publication Date |
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| CN210688829U true CN210688829U (en) | 2020-06-05 |
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| CN201921478163.5U Active CN210688829U (en) | 2019-09-04 | 2019-09-04 | Liquid accumulator support structure and compressor |
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