CN117189610A - Exhaust assembly, compressor and temperature adjusting device - Google Patents

Abstract

The invention discloses an exhaust assembly, a compressor and a temperature regulating device. The exhaust assembly includes: the device comprises an exhaust valve seat, a lift limiter and an exhaust valve plate, wherein the exhaust valve seat is provided with an exhaust hole and a mounting part; the lift limiter comprises a mounting section and a first limiting section, the mounting section is fixed with the mounting part, the first end of the first limiting section is connected with the mounting section, the second end of the first limiting section extends to the upper side of the exhaust hole, the exhaust valve plate is arranged between the exhaust valve seat and the lift limiter and is suitable for covering the exhaust hole, and the fixed end of the exhaust valve plate is fixed with the mounting part. According to the exhaust assembly provided by the embodiment of the invention, the exhaust valve plate is provided with the part which is not limited by the first limiting section at the position close to the free end, so that the elastic energy storage of the exhaust valve plate in the open state is increased, the speed of closing the exhaust hole of the exhaust valve plate is improved, and the delay of closing of the exhaust valve plate is avoided.

Description

Exhaust assembly, compressor and temperature adjusting device

Technical Field

The invention relates to the technical field of temperature adjusting devices, in particular to an exhaust assembly, a compressor and a temperature adjusting device.

Background

The existing rotary compressor is characterized in that air suction is a continuous process, air discharge is an intermittent process, a lift limiter and an air discharge valve plate are arranged at an air discharge hole on a bearing, the air discharge valve plate can close the air discharge hole when the compressor sucks air, and the air discharge hole is opened when the compressor discharges air.

The opening and closing time of the discharge valve plate has a great influence on the performance of the compressor, in order to ensure that the discharge valve plate can be opened in time when the compressor runs at low frequency, the rigidity of the discharge valve plate is required to be smaller so as to reduce the resistance of opening the exhaust hole, but the resilience force of the discharge valve plate with smaller rigidity is also smaller, the speed of closing the exhaust hole of the discharge valve plate is slower, the discharge valve plate is delayed to be closed, and if the piston is operated to the suction side at this time, the refrigerant is sucked back into the compression cavity from the exhaust hole, so that the gas transmission capacity and the energy efficiency of the compressor are reduced.

Disclosure of Invention

The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides an exhaust assembly for avoiding the delay closing of the exhaust valve plate.

The invention also provides a compressor with the exhaust assembly.

The invention also provides a temperature regulating device with the compressor.

An exhaust assembly according to an embodiment of the present invention includes: an exhaust valve seat provided with an exhaust hole and a mounting portion; the lift limiter comprises a mounting section and a first limiting section, the mounting section is fixed with the mounting part, a first end of the first limiting section is connected with the mounting section, and a second end of the first limiting section extends to the upper part of the exhaust hole; the exhaust valve plate is arranged between the exhaust valve seat and the lift limiter and is suitable for covering the exhaust hole, and the fixed end of the exhaust valve plate is fixed with the mounting part; the space between the central axis of the exhaust hole and the projection of the mounting part on the first plane is L1, the space between the second end of the first limiting section and the projection of the mounting part on the first plane is L2, and L1 & gtL 2 is satisfied, and the first plane is perpendicular to the central axis of the exhaust hole.

According to the exhaust assembly provided by the embodiment of the invention, the exhaust valve plate is provided with the part which is not limited by the first limiting section at the position close to the free end, so that the elastic energy storage of the exhaust valve plate in the open state is increased, the speed of closing the exhaust hole of the exhaust valve plate is improved, and the delay of closing of the exhaust valve plate is avoided.

According to some embodiments of the invention, the second end of the first stop section is provided with a chamfer adapted to be in stop fit with the discharge valve plate.

According to some embodiments of the invention, the lift limiter further comprises a second limiting segment, a first end of the second limiting segment is connected with a second end of the first limiting segment, the second end of the second limiting segment spans the exhaust hole, the first limiting segment and the second limiting segment are arc segments, and the arc radius of the first limiting segment is larger than the arc radius of the second limiting segment.

According to some embodiments of the invention, the lift limiter further comprises a second limiting segment, a first end of the second limiting segment is connected with a second end of the first limiting segment, the second end of the second limiting segment spans the exhaust hole, the first limiting segment and the second limiting segment are both straight-line segments, and a straight-line slope of the second limiting segment is larger than a straight-line slope of the first limiting segment.

According to some embodiments of the invention, a distance between the second end of the second limiting section and the projection of the mounting portion on the first plane is L3, and a distance between the free end of the air discharge valve plate and the projection of the mounting portion on the first plane is L4, and L3 > L4 is satisfied.

According to some embodiments of the invention, at least one diversion trench is arranged on the surface of the first limiting section facing the exhaust valve plate.

Further, the diversion trench extends in a direction perpendicular to the thickness direction of the first limiting section, and at least one end of the diversion trench extends to the edge of the first limiting section.

According to some embodiments of the invention, at least one diversion trench is provided on a surface of the first limiting section and/or the second limiting section facing the exhaust valve plate.

According to another aspect of the present invention, a compressor includes the above-described discharge assembly.

According to the compressor provided by the embodiment of the invention, the exhaust valve plate of the exhaust assembly is provided with the part which is not limited by the first limiting section at the position close to the free end, so that the elastic energy storage of the exhaust valve plate in the open state is increased, the speed of closing the exhaust hole of the exhaust valve plate is improved, the delayed closing of the exhaust valve plate is avoided, and the energy efficiency of compression is improved.

According to another embodiment of the invention, a temperature regulating device comprises the exhaust assembly.

According to the temperature regulating device provided by the embodiment of the invention, the exhaust valve plate of the compressor is provided with the part which is not limited by the first limiting section at the position close to the free end, so that the elastic energy storage of the exhaust valve plate in the open state is increased, the speed of closing the exhaust hole of the exhaust valve plate is improved, the delay closing of the exhaust valve plate is avoided, and the energy efficiency of compression is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic diagram of an exhaust assembly when an exhaust valve plate is in a closed state according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exhaust assembly when an exhaust valve plate is in an open state according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second embodiment of an exhaust assembly when an exhaust valve plate is in a closed state;

FIG. 4 is a schematic diagram of a second structure of the exhaust assembly when the exhaust valve plate is in an open state according to an embodiment of the present invention;

FIG. 5 is a schematic diagram III of an exhaust assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an exhaust assembly according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of an exhaust assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a bearing of a compressor according to an embodiment of the present invention.

Reference numerals:

the exhaust valve seat 1, the exhaust hole 11, the mounting part 12, the mounting hole 121, the connecting piece 122, the lift limiter 2, the mounting section 21, the first limiting section 22, the chamfer 221, the second limiting section 23, the diversion trench 24, the exhaust valve plate 3, the exhaust assembly 10 and the bearing 100.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "length," "thickness," "upper," "lower," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

An exhaust assembly 10, a compressor, and a thermostat according to an embodiment of the present invention are described in detail below with reference to fig. 1-8.

Referring to fig. 1 and 2, an exhaust assembly 10 includes: exhaust valve seat 1, lift limiter 2 and discharge valve piece 3, exhaust valve seat 1 are equipped with exhaust hole 11 and installation department 12, and exhaust hole 11 can communicate with the compression chamber of compressor, and the compressed gas in the compression chamber can be discharged through exhaust hole 11, and installation department 12 can include mounting hole 121 and connecting piece 122, and lift limiter 2, discharge valve piece 3 and mounting hole 121 can be worn to establish by connecting piece 122 to realize the fixed of exhaust valve seat 1, lift limiter 2 and discharge valve piece 3, and connecting piece 122 can be the rivet.

The lift limiter 2 includes a mounting section 21 and a first limiting section 22, the mounting section 21 is fixed to the mounting portion 12, a first end of the first limiting section 22 is connected to the mounting section 21, a second end of the first limiting section 22 extends above the exhaust hole 11, it is understood that the upper side of the exhaust hole 11 is one side of the exhaust hole 11 in the air outlet direction, the mounting section 21 may be a flat section so as to be suitable for being fixed to the mounting portion 12, the first limiting section 22 extends away from the exhaust valve seat 1 relative to the mounting section 21, in other words, the first limiting section 22 has a certain lift relative to the mounting section 21, so that the exhaust valve plate 3 between the first limiting section 22 and the exhaust valve seat 1 has a certain movable stroke, and opening and closing of the exhaust hole 11 by the exhaust valve plate 3 can be realized.

The exhaust valve plate 3 is arranged between the exhaust valve seat 1 and the lift limiter 2 and is suitable for covering the exhaust hole 11, the fixed end of the exhaust valve plate 3 is fixed with the mounting part 12, the free end of the exhaust valve plate 3 extends to the outer side of the exhaust hole 11, namely, the free end of the exhaust valve plate 3 spans across the exhaust hole 11, the exhaust valve plate 3 has a closing state for covering the exhaust hole 11 and an opening state for avoiding the exhaust hole 11, when the compressor is in an air suction stage, one side of the exhaust valve plate 3, which is close to the lift limiter 2, is a high-pressure area, the other side is a low-pressure area, and the exhaust valve plate 3 is in the closing state for covering the exhaust hole 11. When the compressor is in the exhaust stage, one side of the exhaust valve plate 3, which is close to the lift limiter 2, is a low-pressure area, the other side of the exhaust valve plate is a high-pressure area, and the exhaust valve plate 3 moves to the lift limiter 2 and is in an open state avoiding the exhaust hole 11.

The distance between the central axis of the exhaust hole 11 and the projection of the mounting portion 12 on the first plane is L1, the distance between the second end of the first limiting section 22 and the projection of the mounting portion 12 on the first plane is L2, and L1 > L2 is satisfied, the first plane is perpendicular to the central axis of the exhaust hole 11, so that when the exhaust valve plate 3 is in an open state in the exhaust stage, the exhaust valve plate 3 has a portion which is not limited by the first limiting section 22 near the free end, and the portion can bend in a direction away from the exhaust hole 11 under the action of airflow to generate elastic deformation, thereby increasing the flow area of the downstream of the exhaust hole 11 and realizing elastic energy storage of the exhaust valve plate 3, and when in the air suction stage, the exhaust valve plate 3 is switched from the open state to the closed state, and the release of the elastic energy storage of the exhaust valve plate 3 can reduce the switching time to realize rapid closing of the exhaust hole 11, thereby preventing the exhaust hole 11 from reversely sucking air.

Referring to fig. 1 and 2, since the exhaust valve plate 3 may completely cover the exhaust hole 11, the distance between the free end of the exhaust valve plate 3 and the projection of the mounting portion 12 on the first plane is L4, and L4 > L1 > L2 is satisfied, the surface of the lift limiter 2 facing the exhaust valve plate 3 is a limiting surface, when the exhaust valve plate 3 is in the open state, the exhaust valve plate 3 may be closely attached to the limiting surface, and the free end of the exhaust valve plate 3 is located outside the limiting surface, in other words, the exhaust valve plate 3 has a portion not limited by the limiting surface near the free end, and the portion may be bent in a direction away from the exhaust hole 11 under the action of the airflow to generate elastic deformation.

According to the exhaust assembly 10 of the embodiment of the invention, the exhaust valve plate 3 is provided with a part which is not limited by the first limiting section 22 near the free end, so that the elastic energy storage of the exhaust valve plate 3 in the open state is increased, the speed of closing the exhaust hole 11 of the exhaust valve plate 3 is improved, and the delay of closing the exhaust valve plate 3 is avoided.

In some embodiments of the present invention, referring to fig. 1 and 2, the second end of the first limiting section 22 is provided with a chamfer 221 adapted to be in limit fit with the exhaust valve plate 3, and the chamfer 221 can smoothly transition the end surface of the second end of the first limiting section 22 and the surface of the first limiting section 22 facing the exhaust valve plate 3, so as to reduce the stress of the contact portion between the exhaust valve plate 3 and the second end of the first limiting section 22 when the exhaust valve plate 3 is not limited by the first limiting section 22, thereby being beneficial to improving the stability and reliability of the exhaust valve plate 3. Alternatively, chamfer 221 may be a rounded or beveled angle.

In some embodiments of the present invention, referring to fig. 3 and 4, the lift limiter 2 further includes a second limiting section 23, a first end of the second limiting section 23 is connected to a second end of the first limiting section 22, the second end of the second limiting section 23 spans the exhaust hole 11, the first limiting section 22 and the second limiting section 23 are both arc sections, and the arc radius R1 of the first limiting section 22 is greater than the arc radius R2 of the second limiting section 23, that is, the lift of the second limiting section 23 is greater than the lift of the first limiting section 22, so that when the exhaust hole 11 is exhausted, the exhausted gas of the exhaust valve plate 3 is pushed to be attached to the lift limiter 2, the exhaust valve plate 3 is in an open state, and the deformation amount of the attaching portion of the exhaust valve plate 3 and the second limiting section 23 is greater than the deformation amount of the attaching portion of the exhaust valve plate 3 and the first limiting section 22, so as to increase the elastic energy storage of the exhaust valve plate 3 in the open state, and when the exhaust hole 11 is exhausted, the exhaust valve plate 3 moves rapidly towards 11 under the action of the elastic reset force to cover and close the exhaust hole 11, thereby facilitating the closing of the exhaust valve plate 3 to delay the closing of the exhaust hole 11. In addition, since the second end of the second limiting section 23 spans the exhaust hole 11, the second limiting section 23 can limit the lift height of the exhaust valve plate 3 and reliably support and limit the free end of the exhaust valve plate 3 in the open state, thereby avoiding excessive deformation of the exhaust valve plate 3 and preventing the exhaust valve plate 3 from plastic deformation and failure.

In some embodiments of the present invention, referring to fig. 5, the lift limiter 2 further includes a second limiting section 23, a first end of the second limiting section 23 is connected to a second end of the first limiting section 22, the second end of the second limiting section 23 spans the exhaust hole 11, the first limiting section 22 and the second limiting section 23 are both linear sections, and a linear slope of the second limiting section 23 is greater than a linear slope of the first limiting section 22, that is, a lift of the second limiting section 23 is greater than a lift of the first limiting section 22, an inclination angle of the first limiting section 22 to a surface of the exhaust valve seat 1 is a1, an inclination angle of the second limiting section 23 to a surface of the exhaust valve seat 1 is a2, and a1 < a2, so that when the exhaust hole 11 is exhausted, the exhaust valve plate 3 is propped against the lift limiter 2, the exhaust valve plate 3 is in an open state, a deformation amount of a bonding portion of the exhaust valve plate 3 to the second limiting section 23 is greater than a deformation amount of a portion of the first limiting section 22, so as to increase an elastic energy storage of the exhaust valve plate 3 in the open state, that when the exhaust valve plate 11 is in the open state, the exhaust valve plate 3 is reset to the exhaust valve plate 3 is closed, and the exhaust hole 11 is closed, thereby the exhaust valve plate 3 is prevented from being closed by the exhaust hole 11, and the elastic energy storage valve plate is reset to move towards the exhaust hole 11, and the exhaust hole 11 is closed, and the exhaust hole is thereby delayed to be closed. In addition, since the second end of the second limiting section 23 spans the exhaust hole 11, the second limiting section 23 can limit the lift height of the exhaust valve plate 3 and reliably support and limit the free end of the exhaust valve plate 3 in the open state, thereby avoiding excessive deformation of the exhaust valve plate 3 and preventing the exhaust valve plate 3 from plastic deformation and failure.

In some embodiments of the present invention, referring to fig. 3 to 5, the distance between the second end of the second limiting section 23 and the projection of the mounting portion 12 on the first plane is L3, the distance between the free end of the exhaust valve plate 3 and the projection of the mounting portion 12 on the first plane is L4, and L3 > L4 is satisfied, so that when the exhaust valve plate 3 is in the open state, the free end of the exhaust valve plate 3 can be located in the second limiting section 23 to control the stability of the lift of the free end of the exhaust valve plate 3, avoid the vibration generated at the free end of the exhaust valve plate 3 due to the difference of the exhaust flow rate of the exhaust hole 11, and avoid the excessive deformation of the exhaust valve plate 3 at the free end.

In some embodiments of the present invention, referring to fig. 1, 3 and 5, L1 is a length of a line between a projection point of a central axis of the exhaust hole 11 on the first plane and a projection point of a central axis of the installation hole 121 on the first plane. L2 is the length of the connection line between the projection point of the second end of the first limiting section 22 on the first plane and the projection point of the central axis of the mounting hole 121 on the first plane, wherein the second end of the first limiting section 22 is the end of the first limiting section 22 far away from the mounting portion 12. L3 is the length of the connection line between the projection point of the second end of the second limiting section 23 on the first plane and the projection point of the central axis of the mounting hole 121 on the first plane, wherein the second end of the second limiting section 23 is the end of the second limiting section 23 far away from the mounting portion 12. L4 is the length of the connection line between the projection point of the free end of the exhaust valve plate 3 on the first plane and the projection point of the central axis of the mounting hole 121 on the first plane, wherein the free end of the exhaust valve plate 3 is the end of the exhaust valve plate 3 far away from the mounting portion 12.

In some embodiments of the present invention, the lift limiter 2 includes a mounting section 21 and a first limiting section 22, where at least one flow guiding groove 24 is disposed on a surface of the first limiting section 22 facing the exhaust valve plate 3, and it is understood that the exhaust assembly 10 can operate in an oil environment, and the flow guiding groove 24 can reduce a contact area between the exhaust valve plate 3 and the first limiting section 22, and reduce viscous resistance of oil to the exhaust valve plate 3 when the exhaust valve plate 3 is separated from the first limiting section 22, so as to facilitate reducing a time for switching the exhaust valve plate 3 from an open state to a closed state, so as to implement rapid closing of the exhaust hole 11 by the exhaust valve plate 3.

In some embodiments of the present invention, the flow guiding groove 24 extends in a direction perpendicular to the thickness direction of the first limiting section 22, and at least one end of the flow guiding groove 24 extends to the edge of the first limiting section 22, that is, the flow guiding groove 24 may extend in any direction on the surface of the first limiting section 22 facing the exhaust valve plate 3, and when the exhaust valve plate 3 is attached to the first limiting section 22, the oil in the flow guiding groove 24 is further communicated with the external oil, so that when the exhaust valve plate 3 is separated from the first limiting section 22, the viscous resistance of the oil to the exhaust valve plate 3 can be further reduced, thereby being beneficial to improving the speed of the exhaust valve plate 3 for quickly closing the exhaust hole 11.

In some embodiments of the present invention, referring to fig. 6 and 7, the lift limiter 2 includes a mounting section 21, a first limiting section 22 and a second limiting section 23, where at least one flow guiding groove 24 is provided on a surface of the first limiting section 22 and/or the second limiting section 23 facing the exhaust valve plate 3, that is, the flow guiding groove 24 may be provided on a surface of the first limiting section 22 or the second limiting section 23 facing the exhaust valve plate 3, and the flow guiding groove 24 may also be provided on a surface of the first limiting section 22 and the second limiting section 23 facing the exhaust valve plate 3, so as to reduce viscous resistance of oil to the exhaust valve plate 3. The diversion trench 24 provided in the first limiting section 22 extends in a direction perpendicular to the thickness direction of the first limiting section 22, at least one end of the diversion trench 24 extends to the edge of the first limiting section 22, the diversion trench 24 provided in the second limiting section 23 extends in a direction perpendicular to the thickness direction of the second limiting section 23, and at least one end of the diversion trench 24 extends to the edge of the second limiting section.

Referring to fig. 6, the cross section of the flow guide groove 24 is semicircular, and referring to fig. 7, the cross section of the flow guide groove 24 is rectangular, and the cross section of the flow guide groove 24 may be elliptical or other polygonal shape.

A compressor according to another embodiment of the present invention, including the discharge assembly 10 of the above embodiment, may be a rotary compressor, the discharge assembly 10 may be provided to a bearing 100 of the rotary compressor, and the discharge hole 11 may be in communication with a compression chamber of the compressor.

According to the compressor provided by the embodiment of the invention, the exhaust valve plate 3 of the exhaust assembly 10 is provided with the part which is not limited by the first limiting section 22 at the position close to the free end, so that the elastic energy storage of the exhaust valve plate 3 in the open state is increased, the speed of closing the exhaust hole 11 of the exhaust valve plate 3 is improved, the delayed closing of the exhaust valve plate 3 is avoided, and the energy efficiency of compression is improved.

In some embodiments, the schemes of the different discharge assemblies were single factor comparison verified on the compressor, with the verification results shown in table 1:

TABLE 1

Thus, as shown with reference to Table 1, the compressor employing the discharge assembly 10 of FIGS. 1-2 of the present invention and the compressor employing the discharge assembly 10 of FIGS. 3-4 of the present invention have improved refrigeration capacity and energy efficiency over conventional discharge assembly compressors.

In addition, in scheme two, lift limiter 2 is two segmentation structures, and lift limiter 2 includes mounting segment 21 and first spacing section 22, and in scheme three, lift limiter 2 is three segmentation structures, and lift limiter 2 includes mounting segment 21, first spacing section 22 and second spacing section 23, and the opening angle of discharge valve piece 3 has been restricted to second spacing section 23 in scheme three, has reduced the flow area of refrigerant in scheme two, has increased the exhaust resistance, leads to input power to increase, and scheme three is slightly less than scheme two to the promotion of compressor energy.

According to still another aspect of the present invention, a temperature adjusting apparatus, including the compressor of the above embodiment, may be an air conditioner.

According to the temperature regulating device provided by the embodiment of the invention, the exhaust valve plate 3 of the compressor is provided with the part which is not limited by the first limiting section 22 at the position close to the free end, so that the elastic energy storage of the exhaust valve plate 3 in the open state is increased, the speed of closing the exhaust hole 11 of the exhaust valve plate 3 is improved, the delayed closing of the exhaust valve plate 3 is avoided, and the energy efficiency of compression is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. An exhaust assembly, comprising:

an exhaust valve seat provided with an exhaust hole and a mounting portion;

the lift limiter comprises a mounting section and a first limiting section, the mounting section is fixed with the mounting part, a first end of the first limiting section is connected with the mounting section, and a second end of the first limiting section extends to the upper part of the exhaust hole;

the exhaust valve plate is arranged between the exhaust valve seat and the lift limiter and is suitable for covering the exhaust hole, and the fixed end of the exhaust valve plate is fixed with the mounting part;

the space between the central axis of the exhaust hole and the projection of the mounting part on the first plane is L1, the space between the second end of the first limiting section and the projection of the mounting part on the first plane is L2, and L1 & gtL 2 is satisfied, and the first plane is perpendicular to the central axis of the exhaust hole.

2. The exhaust assembly as recited in claim 1, wherein the second end of the first stop segment is provided with a chamfer adapted for a stop fit with the exhaust valve plate.

3. The exhaust assembly of claim 1, wherein the lift limiter further comprises a second limiting segment, a first end of the second limiting segment is connected to a second end of the first limiting segment, the second end of the second limiting segment spans the exhaust aperture, the first and second limiting segments are arc segments, and an arc radius of the first limiting segment is greater than an arc radius of the second limiting segment.

4. The exhaust assembly of claim 1, wherein the lift limiter further comprises a second limit segment, a first end of the second limit segment is connected to a second end of the first limit segment, the second end of the second limit segment spans the exhaust aperture, the first limit segment and the second limit segment are both linear segments, and a linear slope of the second limit segment is greater than a linear slope of the first limit segment.

5. The exhaust assembly according to claim 3 or 4, wherein a distance between the second end of the second limiting section and the projection of the mounting portion on the first plane is L3, a distance between the free end of the exhaust valve plate and the projection of the mounting portion on the first plane is L4, and L3 > L4 is satisfied.

6. The exhaust assembly according to claim 1, wherein the surface of the first limiting section facing the exhaust valve plate is provided with at least one flow guide groove.

7. The vent assembly of claim 6, wherein the flow channel extends in a direction perpendicular to the thickness of the first spacing segment and at least one end of the flow channel extends to the first spacing segment edge.

8. The exhaust assembly according to claim 3 or 4, wherein the surface of the first and/or the second limiting section facing the exhaust valve plate is provided with at least one flow guiding groove.

9. A compressor comprising a discharge assembly according to any one of claims 1-8.

10. A temperature regulating device comprising the compressor according to claim 9.