阅读说明：本技术 压缩机和空调器 (Compressor and air conditioner ) 是由 胡余生 魏会军 徐嘉 任丽萍 万鹏凯 于 2021-10-22 设计创作，主要内容包括：本申请提供一种压缩机和空调器。该压缩机包括泵体组件,泵体组件包括阀座(1),阀座(1)上设置有至少两个排气口(2),排气口(2)的面积依次为S1、S2、……、Sn,单位为mm～(2),压缩机的排量为V,单位为mm～(3),其中V/[1000*(S1+S2+……+Sn)]≤1.5。根据本申请的压缩机,能够有效减小阀片关闭时拍击阀座的冲击力,降低压缩机噪声,提高压缩机可靠性。(The application provides a compressor and an air conditioner. The compressor comprises a pump body assembly, wherein the pump body assembly comprises a valve seat (1), at least two exhaust ports (2) are arranged on the valve seat (1), the areas of the exhaust ports (2) are S1, S2, … … and Sn in sequence, and the unit is mm 2 The displacement of the compressor is V and the unit is mm 3 Wherein V/[1000 (S1+ S2+ … … + Sn)]Less than or equal to 1.5. According to the compressor of this application, the impact force of slapping the disk seat when can effectively reduce the valve block and close reduces compressor noise, improves compressor reliability.)

1. The compressor is characterized by comprising a pump body assembly, wherein the pump body assembly comprises a valve seat (1), at least two exhaust ports (2) are arranged on the valve seat (1), the areas of the exhaust ports (2) are S1, S2, … … and Sn in sequence, and the unit is mm²The discharge capacity of the compressor is V and the unit is mm³Wherein V/[1000 (S1+ S2+ … … + Sn)]≤1.5。

2. The compressor of claim 1, wherein V/[1000 (S1+ S2+ … … + Sn) ] > 0.6.

3. Compressor according to claim 1, characterized in that the pump block assembly further comprises a sliding vane (3), the projection of the sliding vane (3) being able to completely cover the exhaust port (2) in the plane of projection in the axial direction of the pump block assembly when the sliding vane (3) sweeps over the exhaust port (2).

4. The compressor of claim 3, wherein when the sliding vane (3) sweeps across the exhaust port (2), the width of the exhaust port (2) along the thickness direction of the sliding vane (3) is a, the thickness of the sliding vane (3) is L, and a is not less than L-0.5 mm.

5. The compressor according to claim 1, wherein the pump body assembly further comprises a valve plate (4) and a lift limiter (5), the valve plate (4) can seal the exhaust port (2), the lift limiter (5) and the valve plate (4) are fixed on the valve seat (1), and the lift of the lift limiter (5) is h which is less than or equal to 2 mm.

6. The compressor according to claim 1, wherein the pump body assembly further comprises a valve plate (4) and a lift limiter (5), the valve plate (4) can seal the exhaust port (2), the lift limiter (5) and the valve plate (4) are fixed on the valve seat (1), the lift of the lift limiter (5) is h, the perimeter of the exhaust port (2) is fi, the area of the exhaust port (2) is Si, i is 1, 2, … …, n, and fi is more than or equal to 1.15 and h/Si is less than or equal to 1.5.

7. Compressor according to claim 1, characterized in that the shape of the discharge opening (2) is circular, rectangular, rhomboidal, trapezoidal or oval.

8. The compressor according to claim 1, wherein the pump body assembly further comprises a slide (3) and a roller (6), the slide (3) is plural, each slide (3) is slidably disposed on the roller (6), and the plural slides (3) are uniformly distributed along a circumferential direction of the roller (6).

9. The compressor according to claim 1, characterized in that the pump body assembly further comprises a slide (3) and a bearing cylinder (7), the bearing cylinder (7) comprising an inner ring, a rolling body and an outer ring, the slide (3) abutting on an inner peripheral wall of the inner ring.

10. The compressor according to claim 1, wherein the pump body assembly further comprises a valve plate (4), the valve plate (4) can close the exhaust port (2), the rigidity of the valve plate (4) is K, the unit is N/mm, and K is greater than or equal to 3 and less than or equal to 10.

11. The compressor of claim 10, wherein K is 3.5 ≦ 6.

12. An air conditioner comprising a compressor, wherein the compressor is as claimed in any one of claims 1 to 11.

Technical Field

The application relates to the technical field of compressors, in particular to a compressor and an air conditioner.

Background

The head of a sliding vane of the traditional rotary vane compressor and the inner wall of an air cylinder are seriously abraded, so that the mechanical power consumption of the compressor is larger, the integral energy efficiency is poorer, and even the reliability problems such as abnormal abrasion are caused when the integral energy efficiency is serious.

The related art provides a compressor structure, and a bearing cylinder structure is adopted, so that the relative sliding of the head of a slip sheet and the inner wall of an inner ring is guaranteed to be converted into the rolling motion of the inner ring and a rolling body, the mechanical power consumption of the compressor is reduced, and the energy efficiency of the compressor is improved. As the rolling bearing is adopted to be used as the cylinder, the exhaust of the compressor can not be arranged in the radial direction of the cylinder like the traditional sliding vane compressor, and the exhaust port is arranged in the axial direction of the upper flange and the lower flange.

Because a plurality of gas vents are arranged on the end face of the flange at intervals and are positioned in the middle position of the gas exhaust process, when the sliding sheet sweeps across the gas vents, the gas exhaust speed is still high, and the valve sheet is positioned at the position with high lift.

When the sliding sheet sweeps the exhaust port, the pressure Pd of the exhaust cavity in the cavity where the exhaust port is located is changed into the process pressure Pm of the compression cavity, the pressure Pd outside the cavity (inside the shell of the compressor) is the exhaust pressure (high pressure), the valve plate is closed under the action of the self rigidity and the differential pressure inside and outside the cavity, and the valve seat is impacted at a higher speed, so that abnormal noise is caused, and even the valve plate is broken and other reliability problems are caused.

Disclosure of Invention

Therefore, the technical problem that this application will be solved lies in providing a compressor and air conditioner, can effectively reduce the impact force of slapping the disk seat when the valve block is closed, reduces compressor noise, improves compressor reliability.

In order to solve the problem, the application provides a compressor, including pump body subassembly, pump body subassembly includes the valve seat, is provided with two at least gas vents on the valve seat, and the area of gas vent is S1, S2, … …, Sn in proper order, and the unit is mm²The displacement of the compressor is V and the unit is mm³Wherein V/[1000 (S1+ S2+ … … + Sn)]≤1.5。

Preferably, V/[1000 (S1+ S2+ … … + Sn) ]. gtoreq.0.6.

Preferably, the pump body assembly comprises a sliding vane, and when the sliding vane sweeps through the exhaust port, a projection of the sliding vane can completely cover the exhaust port in a projection plane in the axial direction of the pump body assembly.

Preferably, when the sliding sheet sweeps across the exhaust port, the width of the exhaust port in the thickness direction of the sliding sheet is a, the thickness of the sliding sheet is L, and a is not less than L-0.5 mm.

Preferably, the pump body assembly further comprises a valve plate and a lift limiter, the valve plate can seal the exhaust port, the lift limiter and the valve plate are fixed on the valve seat, the lift of the lift limiter is h, and h is smaller than or equal to 2 mm.

Preferably, the pump body assembly further comprises a valve plate and a lift limiter, the valve plate can seal the exhaust port, the lift limiter and the valve plate are fixed on the valve seat, the lift of the lift limiter is h, the perimeter of the exhaust port is fi, the area of the exhaust port is Si, i is 1, 2, … … and n, and fi h/Si is not less than 1.15 and not more than 1.5.

Preferably, the shape of the exhaust port is circular, rectangular, rhombic, trapezoidal or oval.

Preferably, the pump body assembly further comprises a plurality of sliding vanes and a plurality of rollers, each sliding vane is slidably arranged on the roller, and the sliding vanes are uniformly distributed along the circumferential direction of the roller.

Preferably, the pump body assembly further comprises a sliding vane and a bearing cylinder, wherein the bearing cylinder comprises an inner ring, a rolling body and an outer ring, and the sliding vane abuts against the inner peripheral wall of the inner ring.

Preferably, the rigidity of the valve plate is K, the unit is N/mm, and K is more than or equal to 3 and less than or equal to 10.

Preferably, 3.5. ltoreq. K.ltoreq.6.

According to another aspect of the present application, there is provided an air conditioner including a compressor, the compressor being the above-mentioned compressor.

The application provides a compressor, including pump body subassembly, pump body subassembly includes the valve seat, is provided with two at least gas vents on the valve seat, and the area of gas vent is S1, S2, … …, Sn in proper order, and the unit is mm²The displacement of the compressor is V and the unit is mm³Wherein V/[1000 (S1+ S2+ … … + Sn)]Less than or equal to 1.5. The compressor limits the overall exhaust speed of the compressor through the relationship between the discharge capacity and the exhaust port, so that the exhaust speed when the exhaust port is closed is reduced, the opening height of the valve plate when the valve plate starts to be closed is reduced, the impact force impacting the flange valve seat when the valve plate is closed is reduced, the noise of the compressor is reduced, and the reliability of the compressor is improved.

Drawings

FIG. 1 is a schematic view of a compressor according to an embodiment of the present application;

FIG. 2 is a schematic view of a discharge port of a compressor according to an embodiment of the present application;

FIG. 3 is a schematic view of a discharge port of a compressor according to an embodiment of the present application;

FIG. 4 is a schematic view of a discharge port of a compressor according to an embodiment of the present application;

FIG. 5 is a schematic view of a valve seat of a compressor according to an embodiment of the present application;

FIG. 6 is a structural dimension diagram of a discharge valve plate of a compressor according to an embodiment of the present application;

FIG. 7 is a structural dimension view of a discharge valve plate of a compressor according to an embodiment of the present application;

FIG. 8 is a time domain graph of compressor housing vibration acceleration at different stiffness for a discharge valve plate of a compressor according to an embodiment of the present application;

fig. 9 is a graph showing a comparison of noise at different frequencies between a compressor of the related art and a compressor according to an embodiment of the present application.

The reference numerals are represented as:

1. a valve seat; 2. an exhaust port; 3. sliding blades; 4. a valve plate; 5. a lift limiter; 6. a roller; 7. and a bearing cylinder.

Detailed Description

With combined reference to fig. 1 to 9, according to an embodiment of the present application, the compressor includes a pump body assembly, the pump body assembly includes a valve seat 1, at least two exhaust ports 2 are disposed on the valve seat 1, and the areas of the exhaust ports 2 are S1, S2, … … and Sn in turn, and the units are mm²The displacement of the compressor is V and the unit is mm³Wherein V/[1000 (S1+ S2+ … … + Sn)]≤1.5。

Generally speaking, the smaller the exhaust speed of the exhaust port 2 is, the smaller the impact force of the airflow on the head of the valve plate 4 is, the smaller the force required for overcoming the rigidity of the valve plate 4 itself is, and the smaller the opening height of the valve plate 4 is within the limited range of the lift stopper 5. Based on the characteristic, the compressor of the embodiment of the application limits the whole exhaust speed of the compressor through the relation between the discharge capacity V and the area S of the exhaust port, so that the exhaust speed of the exhaust port 2 is reduced, the actual height of the valve plate 4 when the valve plate 4 is closed is related to the exhaust speed of the sliding sheet 3 when the sliding sheet 3 sweeps across the exhaust port 2, the exhaust speed of the exhaust port 2 when the exhaust port 2 is closed is reduced, the actual opening height of the valve plate 4 when the exhaust port 2 exhausts is reduced, the impact force acting on the valve seat 1 when the valve plate 4 closes the exhaust port 2 is reduced, the noise of the compressor is reduced, and the reliability of the compressor is improved.

In one embodiment, V/[1000 (S1+ S2+ … … + Sn) ] is not less than 0.6, so that the number of the exhaust ports 2 can be reduced, the clearance volume is reduced, and the working energy efficiency of the compressor is improved.

In one embodiment, the pump body assembly further comprises a sliding vane 3, when the sliding vane 3 sweeps the exhaust port 2, in a projection plane in the axial direction of the pump body assembly, the projection of the sliding vane 3 can completely cover the exhaust port 2, so that when the sliding vane 3 sweeps the exhaust port 2, no air leakage occurs in a front cavity and a rear cavity of a cylinder of the compressor pump body assembly, and the energy efficiency of the compressor is effectively improved.

In one embodiment, when the sliding sheet 3 sweeps the exhaust port 2, the width of the exhaust port 2 in the thickness direction of the sliding sheet 3 is a, the thickness of the sliding sheet 3 is L, and a is not more than L-0.5mm, so that the air leakage of the front cavity and the rear cavity of the cylinder can be effectively avoided on the basis of considering processing and assembling errors, and the operation reliability of the compressor is improved.

In one embodiment, the pump body assembly further comprises a valve plate 4 and a lift limiter 5, the valve plate 4 can seal the exhaust port 2, the lift limiter 5 and the valve plate 4 are fixed on the valve seat 1, the lift of the lift limiter 5 is h, and h is smaller than or equal to 2mm, so that the lifting height of the valve plate 4 can be limited, the acceleration distance when the valve plate 4 starts to close is reduced, the slapping acting force of the valve plate 4 on the valve seat 1 is reduced, the noise of a compressor is reduced, and the reliability of the compressor is improved.

In one embodiment, the pump body assembly further comprises a valve plate 4 and a lift limiter 5, the valve plate 4 can seal the exhaust port 2, the lift limiter 5 and the valve plate 4 are fixed on the valve seat 1, the lift of the lift limiter 5 is h, the perimeter of the exhaust port 2 is fi, the area of the exhaust port 2 is Si, i is 1, 2, … … and n, wherein fi h/Si is not less than 1.15 and not more than 1.5. In this embodiment, since the exhaust gas needs to be discharged through the axial space between the head of the valve plate 4 and the valve seat 1 after passing through the exhaust port 2, in order to reduce the exhaust loss, the area of the exhaust port 2 needs to be utilized as much as possible, so the exhaust area of the axial space between the head of the valve plate 4 and the valve seat 1 needs to be larger than the area of the exhaust port 2, and through the above limitation, this condition can be effectively satisfied, so that the exhaust loss is effectively controlled. For the limitation that fi is more than or equal to 1.15 and h/Si is less than or equal to 1.5, the lower limit is to ensure that the flow area of the opened valve plate 4 is larger than the area of the exhaust port 2, the upper limit is mainly to limit the height h and prevent the valve plate 4 from being too high, so that the lift of the valve plate 4 is too high, the valve plate 4 is slapped from a higher position, the running acceleration path is increased, and the impact force for slapping the valve seat 1 is increased.

In one embodiment, the shape of the exhaust port 2 is circular, rectangular, diamond, trapezoidal, or elliptical. The shape of the exhaust port 2 may be irregular consisting of line segments and curves.

In one embodiment, the pump body assembly further includes a plurality of vanes 3 and a roller 6, each vane 3 is slidably disposed on the roller 6, and the plurality of vanes 3 are uniformly distributed along a circumferential direction of the roller 6.

In one embodiment, the pump body assembly further comprises a slide 3 and a bearing cylinder 7, the bearing cylinder 7 comprises an inner ring, a rolling body and an outer ring, and the slide 3 abuts against the inner peripheral wall of the inner ring. The bearing cylinder 7 is used as a cylinder, so that the relative sliding of the head of the sliding sheet 3 and the inner wall of the inner ring can be ensured to be converted into the rolling motion of the inner ring and the rolling body, the mechanical power consumption of the compressor is reduced, and the energy efficiency of the compressor is improved.

In one embodiment, the pump body assembly further comprises a valve plate 4, the valve plate 4 can close the exhaust port 2, the rigidity of the valve plate 4 is K and is measured in N/mm, the elastic modulus of the material is E and is measured in N/mm²The waist width is b, the unit is mm, the thickness is t, the unit is mm, the effective length is l, the unit is mm, K is E, b, t ^3/(4, l ^3), and K is more than or equal to 3 and less than or equal to 10.

Preferably, 3.5. ltoreq. K.ltoreq.6.

The larger the valve plate rigidity K is, the larger the slapping force generated by the rigidity of the valve plate is; the smaller the rigidity is, the smaller the slapping force generated by the rigidity of the valve body is, but the higher the actual lift of the exhaust valve plate before closing at the same exhaust speed is, so that the longer the acceleration path before the valve plate impacts (slaps) the valve seat is, the larger the generated impact force is. Therefore, K has an optimal range and can give consideration to the slapping force of the valve plate and the actual lift of the closed front valve plate, so that the slapping force of the valve plate 4 slapping from a high place can be reduced under the condition of reducing the lift height of the valve plate 4, the impact force of the valve seat 1 impacting when the valve plate 4 is closed is effectively reduced, the noise of the compressor is reduced, and the reliability of the compressor is improved.

The rigidity of the valve plate can influence the actual lift (height) of the valve plate when the valve plate is closed, and meanwhile, the force generated by the rigidity of the valve plate can also be influenced, so that the force of the valve plate for slapping the valve seat is influenced. The larger the force of the slapping valve seat is, the vibration of the pump body is increased and is transmitted to the outside of the compressor shell, so that the vibration of the compressor shell is increased, and the vibration acceleration and the noise are increased. Therefore, the stiffness of the valve plate affects the vibration acceleration and noise of the compressor housing.

Referring to FIG. 8, it can be seen that, when K is greater than or equal to 3 and less than or equal to 10, the increase of the slapping force caused by the rigidity of the valve plate and the slapping force caused by the lift acceleration are moderate, and finally the vibration acceleration reflected to the compressor shell is low. Further, when K is more than or equal to 3.5 and less than or equal to 6, the vibration acceleration of the shell is minimum.

As can be seen from fig. 9, after the compressor of the embodiment of the present application is adopted, compared with the compressor in the related art, when the compressor is operated at a frequency above 30Hz, the noise is reduced by at least 2dB, and the higher the operating frequency is, the more significant the noise reduction amplitude is, therefore, the compressor of the embodiment of the present application can effectively reduce the vibration noise of the compressor.

According to an embodiment of the present application, an air conditioner includes a compressor, which is the above-described 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 intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.