A static scroll structure, compressor

Abstract

This invention provides a stationary scroll structure and a compressor. The stationary scroll structure includes a stationary scroll body, on which a first groove, an enthalpy-increasing channel, a pressure-reducing channel, a first channel, and a second channel are provided. The enthalpy-increasing channel, the pressure-reducing channel, the first channel, and the second channel are connected to the first groove. The first groove is connected to the enthalpy-increasing pipe of the compressor. A movable member is provided in the first groove, and a connecting channel is provided in the movable member. When the movable member is in a first position, the movable member closes the enthalpy-increasing pipe and the first channel, and the pressure-reducing channel is connected to the second channel through the connecting channel. When the movable member is in a second position, the enthalpy-increasing channel is connected to the enthalpy-increasing pipe, the movable member closes the second channel, and the pressure-reducing channel is connected to the first channel through the connecting channel. According to this invention, the technical problem of resource waste caused by the direct discharge of exhaust gas from the pressure-reducing part of the compressor during the enthalpy-increasing process in the prior art can be solved.

Description

Technical Field

[0001] This invention belongs to the field of compressor technology, specifically relating to a static scroll pressure structure and a compressor. Background Technology

[0002] Scroll compressors are widely used in refrigeration, air conditioning, and heat pump industries due to their high efficiency, small size, light weight, and stable operation. Generally, a scroll compressor consists of a sealed casing, a stationary scroll, a moving scroll, a support frame, a crankshaft, an anti-rotation mechanism, an oil supply device, and a motor. Both the moving and stationary scrolls have helical profiles. The moving scroll is eccentrically positioned relative to the stationary scroll, with a 180° angle between them, creating multiple crescent-shaped spaces between them. When the moving scroll rotates around the center of the stationary scroll with a certain radius, the outer crescent-shaped spaces continuously move towards the center. During this process, the refrigerant is gradually pushed towards the central space, its volume continuously decreasing while its pressure continuously increasing until it connects with the central exhaust port. The high-pressure refrigerant is then discharged from the pump body, completing the compression process.

[0003] As scroll compressors gradually increase in speed, many reliability issues arise. Under high-frequency operation, the load on the bearings becomes more severe, making bearing reliability a key factor in high-speed design. During the enthalpy-increasing process, the exhaust temperature decreases. Utilizing this low exhaust temperature can reduce the bearing temperature. However, the exhaust temperature outside the enthalpy-increasing process is uncontrollable, and the exhaust channel cannot be directly led to the bearing.

[0004] Because in the existing technology, the exhaust gas from the depressurization section is directly discharged from the compressor during the enthalpy increase process, which leads to technical problems such as resource waste, this invention studies and designs a static scroll structure and a compressor. Summary of the Invention

[0005] Therefore, the present invention provides a static scroll structure and a compressor that can solve the technical problem in the prior art where the exhaust gas from the depressurization section is directly discharged from the compressor during the enthalpy increase process, resulting in resource waste.

[0006] To address the aforementioned problems, this invention provides a stationary scroll structure, comprising: a stationary scroll body, wherein the stationary scroll body is provided with a first groove, an enthalpy-increasing channel, a pressure-reducing channel, a first channel, and a second channel, the enthalpy-increasing channel, the pressure-reducing channel, the first channel, and the second channel being connected to the first groove, the first groove being connected to the enthalpy-increasing tube of the compressor, a movable member being disposed within the first groove, the movable member being located between the enthalpy-increasing tube and the enthalpy-increasing channel, the movable member being provided with a connecting channel, the connecting channel being connected to the pressure-reducing channel, the movable member having a first position and a second position within the first groove, when the movable member is in the first position, the movable member closes the enthalpy-increasing tube and the first channel, the pressure-reducing channel being connected to the second channel through the connecting channel, the second channel being used to discharge the medium in the pressure-reducing channel out of the compressor, when the movable member is in the second position, the enthalpy-increasing channel being connected to the enthalpy-increasing tube, the movable member closing the second channel, the pressure-reducing channel being connected to the first channel through the connecting channel, the medium in the first channel being used for heat exchange.

[0007] In some embodiments, the movable member is able to move within the first groove along the axial direction of the stationary vortex disk body, one end of the first channel is opened on the side wall of the first groove, the other end of the first channel is opened on the outer peripheral wall of the stationary vortex disk body, and a first pressure relief valve assembly is provided at the other end of the first channel.

[0008] In some embodiments, the main structure of the static vortex disk includes a mounting base, the enthalpy-increasing tube is disposed on the mounting base, the mounting base extends at least partially into the first groove, and the first channel is located between the mounting base and the bottom of the first groove.

[0009] In some embodiments, the mounting base is provided with a third channel, both ends of which are formed on the outer peripheral wall of the mounting base, and both ends of the second channel are formed on the side wall of the first groove. One end of the second channel is located between the mounting base and the bottom of the first groove, and the other end of the second channel is connected to the third channel.

[0010] In some embodiments, one end of the third channel is located on the portion of the mounting base that extends into the first groove, and the other end of the third channel is located on the portion of the mounting base that is outside the first groove. A second pressure relief valve assembly is provided at the other end of the third channel.

[0011] In some embodiments, the third channel, the second channel, and the first channel are arranged sequentially along the axial direction of the static vortex disk body.

[0012] In some embodiments, a fourth groove is provided on the outer peripheral wall of the mounting base, the fourth groove extends circumferentially along the mounting base, and the fourth groove and the inner sidewall of the first groove enclose a first chamber, and a sealing element is provided in the first chamber.

[0013] In some embodiments, a second groove is provided at the bottom of the first groove, the enthalpy-increasing channel is located at the bottom of the first groove, and the pressure-reducing channel is located at the bottom of the second groove.

[0014] In some embodiments, the movable element includes a first part and a second part, one end of the second part is connected to the first part, and the other end of the second part extends into the second groove, and the second part and the first part are arranged in an L-shape.

[0015] In some embodiments, a fifth channel is provided in the first part, a fourth channel is provided in the second part, the fourth channel is connected to the pressure relief channel, one end of the fifth channel is connected to the fourth channel, and the other end of the fifth channel is connected to the first channel, or the other end of the fifth channel is connected to the second channel.

[0016] In some embodiments, the first part is provided with a plurality of through holes. When the movable member is in the first position, the mounting base can close the through holes. When the movable member is in the second position, the enthalpy-increasing channel is connected to the enthalpy-increasing tube through the through holes.

[0017] In some embodiments, an elastic element is provided between the first portion and the bottom of the first groove.

[0018] The present invention also provides a compressor comprising the aforementioned stationary scroll structure.

[0019] In some embodiments, the compressor includes a moving scroll, a bracket, and a crankshaft. The moving scroll meshes with the stationary scroll body, the bracket is connected to the stationary scroll body, and the crankshaft is sleeved on the bracket via a bearing. The inner wall of the bracket is provided with a third groove, which is arranged opposite to the bearing. The third groove and the bearing enclose a second cavity, and the medium in the first channel can flow into the second cavity.

[0020] In some embodiments, the third groove extends circumferentially along the bracket, and the height of the third groove is less than the height of the bearing along the axial direction of the bracket.

[0021] In some embodiments, the bracket is provided with a fifth groove, and a cross slip ring is provided in the fifth groove. The bracket is connected to the moving volute through the cross slip ring. The bracket is provided with an eighth channel, one end of which is connected to the second cavity, and the other end of which is connected to the fifth groove.

[0022] In some embodiments, a sixth channel is provided on the main body of the static vortex disk, and a seventh channel is provided on the support. One end of the seventh channel is connected to the second cavity, and the other end of the seventh channel is connected to the sixth channel, allowing the medium in the first channel to flow into the sixth channel.

[0023] In some embodiments, a cover is provided on the main body of the static vortex disk, and the cover and the main body of the static vortex disk enclose a third cavity, and the outlet of the first channel and the inlet of the sixth channel are connected to the third cavity.

[0024] The static scroll structure and compressor provided by this invention have the following beneficial effects:

[0025] The movable component has a first position and a second position within the first groove. When the compressor is not performing gas injection for enthalpy enhancement, the movable component is in the first position, closing the enthalpy enhancement pipe and the first channel. At this time, the enthalpy enhancement channel is closed, preventing the medium in the compression chamber from leaking out through the enthalpy enhancement channel. The pressure relief channel is connected to the second channel via the connecting channel, which discharges the medium from the pressure relief channel outside the compressor. When the compressor performs gas injection for enthalpy enhancement, the exhaust temperature decreases, and the movable component is in the second position. The enthalpy enhancement channel is connected to the enthalpy enhancement pipe, closing the second channel. The pressure relief channel is connected to the first channel via the connecting channel, which transports the medium from the pressure relief channel into the compressor, allowing the medium in the pressure relief channel to exchange heat with the components inside the compressor, thus cooling the heat-generating components inside the compressor. This improves the utilization rate of the depressurized gas, ensuring that the depressurized gas is utilized and avoiding resource waste. Attached Figure Description

[0026] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0027] Figure 1 This is a structural diagram of a compressor using existing technology;

[0028] Figure 2 This is a schematic diagram of the static scroll plate in a compressor using existing technology;

[0029] Figure 3 This is an assembly structure diagram of the static vortex disk structure of the present invention;

[0030] Figure 4 When the moving part in the static vortex disk structure of the present invention is in the second position Figure 3 Enlarged view of point A in the middle;

[0031] Figure 5 When the moving part in the static vortex disk structure of the present invention is in the first position Figure 3 Enlarged view of point A in the middle;

[0032] Figure 6 This is a schematic diagram of the static vortex disk structure in the static vortex disk structure of the present invention;

[0033] Figure 7 This is a schematic diagram of the moving parts in the static vortex disk structure of the present invention. Figure 1 ;

[0034] Figure 8 This is a schematic diagram of the moving parts in the static vortex disk structure of the present invention. Figure 2 ;

[0035] Figure 9 This is a schematic diagram of the mounting base in the static vortex disk structure of the present invention;

[0036] The attached figures are labeled as follows:

[0037] 1. Intake pipe; 2. Top cover; 3. Static vortex body; 4. Moving vortex; 5. Cross slip ring; 6. Bracket; 7. Enthalpy-increasing pipe; 8. Exhaust pipe; 9. Enthalpy-increasing channel; 10. Pressure relief channel; 11. Exhaust port; 12. First pressure relief valve assembly; 13. Cover; 14. Sixth channel; 15. Seventh channel; 16. Eighth channel; 17. Third groove; 18. Bearing; 19. Second pressure relief valve assembly; 20. First channel; 21. Second channel; 22. Elastic element; 23. First groove; 24. Movable element; 25. Third channel; 26. Mounting base; 27. Intake port; 28. Fourth channel; 29. ​​Through hole; 30. First part; 31. Second part; 32. Fifth groove; 33. Fifth channel; 34. Fourth groove; 35. Second groove. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0040] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0041] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0042] See also Figure 3-9As shown in the embodiment of the present invention, a stationary scroll structure is provided, comprising: a stationary scroll body 3, wherein the stationary scroll body 3 is provided with a first groove 23, an enthalpy-increasing channel 9, a pressure-reducing channel 10, a first channel 20, and a second channel 21, the enthalpy-increasing channel 9, the pressure-reducing channel 10, the first channel 20, and the second channel 21 communicating with the first groove 23, the first groove 23 communicating with the enthalpy-increasing pipe 7 of the compressor, a movable member 24 disposed within the first groove 23, the movable member 24 being located between the enthalpy-increasing pipe 7 and the enthalpy-increasing channel 9, and a connecting channel disposed within the movable member 24, the connecting channel communicating with the pressure-reducing channel 10. The movable component 24 has a first position and a second position within the first groove 23. When the movable component 24 is in the first position, it closes the enthalpy-increasing pipe 7 and the first channel 20. The pressure relief channel 10 is connected to the second channel 21 through the connecting channel. The second channel 21 is used to discharge the medium in the pressure relief channel 10 out of the compressor. When the movable component 24 is in the second position, the enthalpy-increasing channel 9 is connected to the enthalpy-increasing pipe 7, and the movable component 24 closes the second channel 21. The pressure relief channel 10 is connected to the first channel 20 through the connecting channel. The medium in the first channel 20 is used for heat exchange. The first channel 20 is used to transport the medium in the pressure relief channel 10 to the compressor so that the medium in the pressure relief channel 10 exchanges heat with the components inside the compressor. In this technical solution, preferably, the enthalpy-increasing pipe 7 of the compressor is located at the opening of the first groove 23. A movable member 24 has a first position and a second position within the first groove 23. When the compressor is not performing gas replenishment for enthalpy increase, the movable member 24 is in the first position, closing the enthalpy-increasing pipe 7 and the first channel 20. At this time, the enthalpy-increasing channel 9 is closed, and the movable member 24 can prevent the medium in the compression chamber from leaking out through the enthalpy-increasing channel 9. The pressure relief channel 10 is connected to the second channel 21 through the connecting channel. The second channel 21 is used to... The medium in the pressure relief channel 10 is discharged outside the compressor. When the compressor performs gas replenishment and enthalpy increase, the exhaust temperature decreases. The movable part 24 is in the second position. The enthalpy increase channel 9 is connected to the enthalpy increase pipe 7. The movable part 24 closes the second channel 21. The pressure relief channel 10 is connected to the first channel 20 through the connecting channel. The first channel 20 is used to transport the medium in the pressure relief channel 10 to the compressor so that the medium in the pressure relief channel 10 exchanges heat with the components inside the compressor, cooling the heat-generating components inside the compressor. This improves the utilization rate of the depressurized gas, allowing the depressurized gas to be utilized and avoiding resource waste.

[0043] See also Figure 3As shown, the two ends of the pressure relief channel 10 are arranged along the axial direction of the stationary vortex disk body 3, and the middle of the pressure relief channel 10 is arranged radially on the stationary vortex disk body 3 until the pressure relief channel 10 is connected to the first groove 23, thereby relieving the pressure of the gas in the compression chamber. The enthalpy increase channel 9 is arranged along the axial direction of the stationary vortex disk body 3 and directly connects the compression chamber and the first groove 23.

[0044] See also Figure 1 As shown, the scroll compressor mainly consists of a motor stator, a motor rotor, an upper bracket 6, a lower bracket, a stationary scroll body 3, a moving scroll 4, a cross slip ring 5, and a crankshaft. The motor stator is fixed to the housing by a heat-shrink fitting, and the upper bracket 6 is fixed to the housing by eight-point welding. The moving scroll 4 and the stationary scroll body 3 are mounted opposite each other on the upper bracket 6 with a phase angle difference of 180 degrees. Driven by the crankshaft, the moving scroll 4 moves and meshes with the stationary scroll body 3 to form a series of mutually isolated crescent-shaped sealed cavities with continuously changing volumes. The stationary scroll body 3 is fixed to the upper bracket 6 by screw fasteners. The lower bracket is fixed to the lower support ring by screws, and the lower support ring is then fixed to the housing by spot welding.

[0045] When the compressor is running, the motor stator drives the crankshaft to rotate, and the crankshaft crank drives the moving scroll 4 to move. Under the anti-rotation restriction of the cross slip ring 5, the moving scroll 4 performs translational motion around the center of the crankshaft with a fixed radius. The refrigerant entering from the suction pipe 1 is drawn into the crescent-shaped suction chamber formed by the moving scroll 4 and the stationary scroll body 3. After compression, it is discharged from the exhaust port 11 of the stationary scroll body 3, enters the cavity between the upper cover 2 and the stationary scroll body 3, and then enters the cavity between the upper support 6 and the motor stator through the exhaust groove of the stationary scroll body 3 and the upper bracket 6. Part of it enters the lower end of the motor stator through the flow groove between the motor stator and the housing. Finally, the high-pressure exhaust refrigerant is discharged from the compressor from the exhaust pipe 8. Conventional scroll compressors with enthalpy-increasing function complete the enthalpy-increasing and pressure-reducing functions through the enthalpy-increasing pipe 7 and the pressure relief valve assembly, respectively. The enthalpy-increasing channel 9 and the pressure relief channel 10 are both vertical through holes.

[0046] In some embodiments, the movable member 24 is able to move within the first groove 23 along the axial direction of the stationary vortex body 3, one end of the first channel 20 is opened on the side wall of the first groove 23, the other end of the first channel 20 is opened on the outer peripheral wall of the stationary vortex body 3, and the other end of the first channel 20 is provided with a first pressure relief valve assembly 12.

[0047] In this technical solution, the enthalpy-increasing tube 7 is connected to the first groove 23 through the opening of the first groove 23. Along the axial direction of the stationary vortex disk body 3, the movable part 24 can move within the first groove 23, ensuring that the movable part can better seal the enthalpy-increasing channel 9. One end of the first channel 20 is opened on the side wall of the first groove 23, and the other end of the first channel 20 is opened on the outer peripheral wall of the stationary vortex disk body 3. The other end of the first channel 20 is provided with a first pressure relief valve assembly 12. When the movable part 24 is in the second position, the pressure relief of the gas in the compression chamber is completed through the first pressure relief valve assembly 12.

[0048] In some embodiments, the static vortex disk structure includes a mounting base 26, the enthalpy-increasing tube 7 is disposed on the mounting base 26, the mounting base 26 at least partially extends into the first groove 23, and the first channel 20 is located between the mounting base 26 and the bottom of the first groove 23. This technical solution, in conjunction with [reference to...] Figure 9 As shown, the mounting base 26 has a channel for connecting the enthalpy-increasing tube 7 and the first groove 23. The mounting base 26 has an annular protrusion. The mounting base 26 extends at least partially into the first groove 23. The annular protrusion cooperates with the end face of the static vortex disk body 3. The mounting base 26 is fixed by screws or other means. The first channel 20 is located between the mounting base 26 and the bottom of the first groove 23 to avoid the mounting base 26 affecting the first channel 20.

[0049] In some embodiments, the mounting base 26 is provided with a third channel 25, both ends of which are formed on the outer peripheral wall of the mounting base 26. Both ends of the second channel 21 are formed on the side wall of the first groove 23, one end of which is located between the mounting base 26 and the bottom of the first groove 23, and the other end of which is connected to the third channel 25. In this technical solution, when the movable part 24 is in the second position, the medium in the depressurized section 10 is discharged out of the stationary scroll body 3 through the second channel 21 and the third channel 25, and then discharged out of the compressor through the exhaust pipe 8. Further, see [reference needed]. Figure 4 As shown, the third channel 25 and the second channel 21 are U-shaped, and the opening directions of the third channel 25 and the second channel 21 are opposite.

[0050] In some embodiments, one end of the third channel 25 is located on the portion of the mounting base 26 extending into the first groove 23, and the other end of the third channel 25 is located on the portion of the mounting base 26 outside the first groove 23. A second pressure relief valve assembly 19 is provided at the other end of the third channel 25. In this technical solution, by having one end of the third channel 25 located on the portion of the mounting base 26 extending into the first groove 23 and the other end of the third channel 25 located on the portion of the mounting base 26 outside the first groove 23, and by providing a second pressure relief valve assembly 19 at the other end of the third channel 25, pressure relief is ensured. The medium within 10 is discharged outside the stationary vortex disc body 3. The pressure relief of the medium via the second pressure relief valve assembly 19 ensures that the movable part 24 can achieve pressure relief in either the first or second position. It should be noted that both the second pressure relief valve assembly 19 and the first pressure relief valve assembly 12 are existing pressure relief structures.

[0051] In some embodiments, the third channel 25, the second channel 21, and the first channel 20 are arranged sequentially along the axial direction of the stationary volute body 3. In this technical solution, the sequential arrangement of the third channel 25, the second channel 21, and the first channel 20 along the axial direction of the stationary volute body 3 ensures that when the moving part moves along the axial direction of the stationary volute body 3, it can connect the first channel 20 and close the second channel 21, or close the first channel 20 and connect the second channel 21, thus ensuring the normal operation of the pressure relief function.

[0052] In some embodiments, a fourth groove 34 is provided on the outer peripheral wall of the mounting base 26. The fourth groove 34 extends circumferentially along the mounting base 26, and the fourth groove 34 and the inner sidewall of the first groove 23 enclose a first chamber, in which a sealing element is disposed. This technical solution, in conjunction with [reference to...] Figure 3 As shown, a seal is used to seal the space between the mounting base 26 and the first groove 23 to prevent gas leakage and thus avoid affecting the energy efficiency of the compressor.

[0053] In some embodiments, a second groove 35 is provided at the bottom of the first groove 23, the enthalpy-increasing channel 9 is located at the bottom of the first groove 23, and the pressure-reducing channel 10 is located at the bottom of the second groove 35. In this technical solution, the enthalpy-increasing channel 9 and the pressure-reducing channel 10 are separated by the second groove 35, ensuring that the enthalpy-increasing channel 9 and the pressure-reducing channel 10 do not affect each other.

[0054] In some embodiments, the movable member 24 includes a first portion 30 and a second portion 31, one end of the second portion 31 being connected to the first portion 30, and the other end of the second portion 31 extending into the second groove 35, with the second portion 31 and the first portion 30 arranged in an L-shape. This technical solution, in conjunction with [reference to...] Figure 7 and Figure 8 As shown, the other end of the second part 31 extends into the second groove 35, which serves to limit and guide the movable part 24. Preferably, the depth of the second groove 35 matches the running distance of the movable part 24, or the depth of the second groove 35 is greater than the running distance of the movable part 24, to ensure the normal movement of the movable part 24.

[0055] In some embodiments, a fifth channel 33 is provided in the first portion 30, and a fourth channel 28 is provided in the second portion 31. The fourth channel 28 is connected to the pressure relief channel 10. One end of the fifth channel 33 is connected to the fourth channel 28, and the other end of the fifth channel 33 is connected to the first channel 20, or the other end of the fifth channel 33 is connected to the second channel 21. In this technical solution, the fifth channel 33 and the first channel 20 are arranged in an L-shape to ensure that the medium in the pressure relief channel 10 can flow into the first channel 20 or the second channel 21, thereby relieving pressure.

[0056] In some embodiments, the first portion 30 is provided with a plurality of through holes 29. When the movable member 24 is in the first position, the mounting base 26 can close the through holes 29. When the movable member 24 is in the second position, the enthalpy-increasing channel 9 is connected to the enthalpy-increasing tube 7 through the through holes 29. This technical solution, in conjunction with [see also...] Figure 8 As shown, the through hole 29 extends through the first part 30 along the axial direction of the stationary vortex disk body 3. When the movable part 24 is in the first position, the end of the mounting base 26 can close the through hole 29. When the movable part 24 is in the second position, the mounting base 26 is separated from the movable part 24, and the enthalpy-increasing channel 9 is connected to the enthalpy-increasing tube 7 through the through hole 29.

[0057] In some embodiments, an elastic element 22 is provided between the first portion 30 and the bottom of the first groove 23. In this technical solution, the elastic element 22 is a spring, which ensures the normal operation of the movable part 24 and ensures the reset of the movable part 24.

[0058] The present invention also provides a compressor including the above-described static scroll structure.

[0059] In some embodiments, the compressor includes a moving scroll 4, a bracket 6, and a crankshaft. The moving scroll 4 meshes with the stationary scroll body 3, and the bracket 6 is connected to the stationary scroll body 3. The crankshaft is mounted on the bracket 6 via a bearing 18. The inner wall of the bracket 6 is provided with a third groove 17, which is arranged opposite to the bearing 18. The third groove 17 and the bearing 18 enclose a second cavity, allowing the medium in the first channel 20 to flow into the second cavity. This technical solution, in conjunction with [reference to...] Figure 3 As shown, the third groove 17 and the bearing 18 enclose a second cavity, and the medium in the first channel 20 can flow into the second cavity. That is, during the process of gas replenishment and enthalpy increase, the temperature of the depressurization medium decreases, so the medium is transported to the second cavity through the first channel 20 to cool and heat the bearing 18.

[0060] In some embodiments, the third groove 17 extends circumferentially along the support 6, and the height of the third groove 17 along the axial direction of the support 6 is less than the height of the bearing 18. In this technical solution, the third groove 17 extends circumferentially along the support 6, effectively providing omnidirectional heat exchange for the bearing 18, increasing the heat exchange area and improving heat exchange efficiency. The height of the third groove 17 along the axial direction of the support 6 is less than the height of the bearing 18. This prevents media leakage and avoids affecting the operation of the compressor.

[0061] In some embodiments, the support 6 is provided with a fifth groove 32, and a cross slip ring 5 is provided in the fifth groove 32. The support 6 is connected to the moving scroll 4 through the cross slip ring 5. The support 6 is provided with an eighth channel 16, one end of which is connected to the second cavity, and the other end of which is connected to the fifth groove 32. In this technical solution, the medium after heat exchange with the bearing 18 is transported to the fifth groove 32 to form a medium-pressure cavity, which can also support the moving scroll 4 and improve the utilization rate of the pressure relief medium.

[0062] In some embodiments, a sixth channel 14 is provided on the static vortex disk body 3, and a seventh channel 15 is provided on the support 6. One end of the seventh channel 15 is connected to the second cavity, and the other end of the seventh channel 15 is connected to the sixth channel 14, allowing the medium in the first channel 20 to flow into the sixth channel 14. In some embodiments, a cover 13 is provided on the static vortex disk body 3, and the cover 13 and the static vortex disk body 3 enclose a third cavity. The outlet of the first channel 20 and the inlet of the sixth channel 14 are connected to the third cavity. This technical solution, in conjunction with [reference to...] Figure 3As shown, the cover 13 and the static vortex disk body 3 enclose a third cavity, thereby ensuring that the medium of the first channel 20 can flow into the second cavity through the sixth channel 14 and the seventh channel 15 to exchange heat and cool the bearing 18.

[0063] In the compressor of this invention, the enthalpy-increasing pipe 7 is connected to the enthalpy-increasing channel 9 via the mounting base 26. A set of pressure relief valve assemblies is respectively provided on the sides of the mounting base 26 and the stationary plate 3. The pressure relief channel 20 is connected to the enthalpy-increasing anti-reverse rotation area via a horizontal channel. The enthalpy-increasing anti-reverse rotation function is formed by the movable member 24 and a spring. The movable member 24 has a pressure relief channel formed by the horizontal fifth channel 33 and the fourth channel 28. Gas in the compression chamber flows in through the fourth channel 28 and out through the fifth channel 33. When the enthalpy-increasing function is in use, the enthalpy-increasing refrigerant presses down the movable member 24, and the refrigerant flows through the through hole 29 to the enthalpy-increasing channel 9. At this time, the fifth channel 33 of the movable member 24 is connected to the first channel 20. After the pressure relief gas enters the area of ​​the cover 13, it flows through the sixth channel 14 and the seventh channel 15 of the upper bracket to the third groove 17 on the outer periphery of the upper bracket bearing 18. The third groove 17 is not connected in the vertical direction to prevent gas leakage with the pressure relief chamber and achieve a cooling effect. It then flows from the eighth channel 16 of the upper bracket 6 to the moving area of ​​the cross slip ring 5 to form a medium pressure chamber to support the moving scroll 4. When the enthalpy enhancement function is not used, the spring 22 pushes the moving part 24 to the bottom of the enthalpy enhancement tube seat to seal the through hole 29. The mounting seat 26 and the through hole 29 do not overlap at all. At this time, the fifth channel 33 of the reversing part is connected to the second channel 21. The depressurized gas is discharged into the compressor cavity after passing through the second channel 21 and the third channel 25.

[0064] It will be readily understood by those skilled in the art that, without conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0065] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A static vortex disk structure, characterized in that: include: The main body of the static vortex disk (3) is provided with a first groove (23), an enthalpy-increasing channel (9), a pressure-reducing channel (10), a first channel (20), and a second channel (21). The enthalpy-increasing channel (9), the pressure-reducing channel (10), the first channel (20), and the second channel (21) are connected to the first groove (23). The first groove (23) is connected to the enthalpy-increasing pipe (7) of the compressor. A movable part (24) is provided in the first groove (23). The movable part (24) is located between the enthalpy-increasing pipe (7) and the enthalpy-increasing channel (9). A connecting channel is provided in the movable part (24). The connecting channel is connected to the pressure-reducing channel (10). The movable part (24) is located in the... The first groove (23) has a first position and a second position. When the movable part (24) is in the first position, the movable part (24) closes the enthalpy-increasing tube (7) and the first channel (20). The pressure relief channel (10) is connected to the second channel (21) through the connecting channel. The second channel (21) is used to discharge the medium in the pressure relief channel (10) out of the compressor. When the movable part (24) is in the second position, the enthalpy-increasing channel (9) is connected to the enthalpy-increasing tube (7). The movable part (24) closes the second channel (21). The pressure relief channel (10) is connected to the first channel (20) through the connecting channel. The medium in the first channel (20) is used for heat exchange.

2. The static vortex disk structure according to claim 1, characterized in that: Along the axial direction of the static vortex disk body (3), the movable part (24) can move in the first groove (23). One end of the first channel (20) is opened on the side wall of the first groove (23), and the other end of the first channel (20) is opened on the outer peripheral wall of the static vortex disk body (3). The other end of the first channel (20) is provided with a first pressure relief valve assembly (12).

3. The static vortex disk structure according to claim 1, characterized in that: The static vortex disk structure includes a mounting base (26), the enthalpy-increasing tube (7) is disposed on the mounting base (26), the mounting base (26) extends at least partially into the first groove (23), and the first channel (20) is located between the mounting base (26) and the bottom of the first groove (23).

4. The static vortex disk structure according to claim 3, characterized in that: The mounting base (26) is provided with a third channel (25), both ends of which are opened on the outer peripheral wall of the mounting base (26). Both ends of the second channel (21) are opened on the side wall of the first groove (23). One end of the second channel (21) is located between the mounting base (26) and the bottom of the first groove (23), and the other end of the second channel (21) is connected to the third channel (25).

5. The static vortex disk structure according to claim 4, characterized in that: One end of the third channel (25) is opened on the portion of the mounting base (26) that extends into the first groove (23), and the other end of the third channel (25) is opened on the portion of the mounting base (26) that is outside the first groove (23). The other end of the third channel (25) is provided with a second pressure relief valve assembly (19).

6. The static vortex disk structure according to claim 4, characterized in that: Along the axial direction of the static vortex disk body (3), the third channel (25), the second channel (21), and the first channel (20) are arranged in sequence.

7. The static vortex disk structure according to claim 3, characterized in that: A fourth groove (34) is provided on the outer peripheral wall of the mounting base (26). The fourth groove (34) extends along the circumference of the mounting base (26). The fourth groove (34) and the inner sidewall of the first groove (23) enclose a first chamber, and a sealing element is provided in the first chamber.

8. The static vortex disk structure according to claim 3, characterized in that: The bottom of the first groove (23) is provided with a second groove (35), the enthalpy-increasing channel (9) is located at the bottom of the first groove (23), and the pressure-relief channel (10) is located at the bottom of the second groove (35).

9. The static vortex disk structure according to claim 8, characterized in that: The movable part (24) includes a first part (30) and a second part (31). One end of the second part (31) is connected to the first part (30), and the other end of the second part (31) extends into the second groove (35). The second part (31) and the first part (30) are arranged in an L-shape.

10. The static vortex disk structure according to claim 9, characterized in that: The first part (30) is provided with a fifth channel (33), and the second part (31) is provided with a fourth channel (28). The fourth channel (28) is connected to the pressure relief channel (10). One end of the fifth channel (33) is connected to the fourth channel (28), and the other end of the fifth channel (33) is connected to the first channel (20), or the other end of the fifth channel (33) is connected to the second channel (21).

11. The static vortex disk structure according to claim 9, characterized in that: The first part (30) is provided with a plurality of through holes (29). When the movable part (24) is in the first position, the mounting base (26) can close the through holes (29). When the movable part (24) is in the second position, the enthalpy-increasing channel (9) is connected to the enthalpy-increasing tube (7) through the through holes (29).

12. The static vortex disk structure according to claim 9, characterized in that: An elastic element (22) is provided between the first part (30) and the bottom of the first groove (23).

13. A compressor, characterized in that: The static vortex disk structure includes any one of claims 1 to 12.

14. The compressor according to claim 13, characterized in that: The compressor includes a moving scroll (4), a bracket (6) and a crankshaft. The moving scroll (4) meshes with the stationary scroll body (3). The bracket (6) is connected to the stationary scroll body (3). The crankshaft is sleeved on the bracket (6) through a bearing (18). The inner wall of the bracket (6) is provided with a third groove (17). The third groove (17) is arranged opposite to the bearing (18). The third groove (17) and the bearing (18) enclose a second cavity. The medium in the first channel (20) can flow into the second cavity.

15. The compressor according to claim 14, characterized in that: The third groove (17) extends circumferentially along the bracket (6), and the height of the third groove (17) is less than the height of the bearing (18) along the axial direction of the bracket (6).

16. The compressor according to claim 14, characterized in that: The bracket (6) is provided with a fifth groove (32), and a cross slip ring (5) is provided in the fifth groove (32). The bracket (6) is connected to the moving vortex (4) through the cross slip ring (5). The bracket (6) is provided with an eighth channel (16). One end of the eighth channel (16) is connected to the second cavity, and the other end of the eighth channel (16) is connected to the fifth groove (32).

17. The compressor according to claim 14, characterized in that: The static vortex disk body (3) is provided with a sixth channel (14), and the bracket (6) is provided with a seventh channel (15). One end of the seventh channel (15) is connected to the second cavity, and the other end of the seventh channel (15) is connected to the sixth channel (14). The medium in the first channel (20) can flow into the sixth channel (14).

18. The compressor according to claim 17, characterized in that: The static vortex disk body (3) is provided with a cover (13), and the cover (13) and the static vortex disk body (3) enclose a third cavity. The outlet of the first channel (20) and the inlet of the sixth channel (14) are connected to the third cavity.

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