Compressor, air conditioner

Abstract

The present invention provides a compressor and an air conditioner, wherein the compressor includes a fixed scroll and an orbiting scroll. The space enclosed by the fixed scroll and the orbiting scroll defines a first compression cavity and a second compression cavity. The first compression cavity is formed by the cooperation of the fixed scroll and the orbiting scroll. The second compression cavity is independent of the first compression cavity. A sliding member cooperates with the orbiting scroll to separate the second compression cavity into an intake chamber and a compression chamber. During the rotation of the orbiting scroll relative to the fixed scroll, the orbiting scroll and the sliding member cooperate to move so that the intake chamber inhales air and the compression chamber compresses gas. According to the present invention, dual-cylinder compression can be performed simultaneously using only a pair of fixed and orbiting scrolls, so that the compressor has the characteristics of both a rotor and a scroll compressor. This breaks through the common structural form of a series combination of cylinders, greatly reduces the number of parts in the dual-cylinder compressor, and makes the dual-cylinder compressor simple in design, compact in structure, and highly space-efficient.

Description

Technical Field

[0001] The present invention belongs to the technical field of air conditioning, and in particular relates to a compressor and an air conditioner. Background Art

[0002] With the increasing market adoption of enthalpy increase and variable volume technologies, the use of single-unit, multi-cylinder hermetic compressors in air conditioners is becoming more economical and efficient, offering promising market prospects and becoming a key trend in new compressor design. Existing multi-cylinder compressors typically feature multiple cylinders connected in series axially within a single motor, resulting in a complex structure and low space efficiency. Each cylinder group requires components such as rollers, cylinders, vanes, or rotor and stator plates, and cross rings, resulting in a complex design with numerous parts. Summary of the Invention

[0003] Therefore, the present invention provides a compressor that can overcome the shortcomings of existing single-unit multi-cylinder compressors in that they require more parts and have a more complicated design when achieving multi-cylinder compression.

[0004] In order to solve the above problems, the present invention provides a compressor, comprising: a fixed scroll, a movable scroll and a sliding member, the fixed scroll having a fixed scroll, the movable scroll having a movable scroll, when the fixed scroll and the movable scroll are matched together, a first compression cavity and a second compression cavity are formed in the space enclosed by the fixed scroll and the movable scroll, the first compression cavity is formed by the matching of the fixed scroll and the movable scroll, the second compression cavity is independent of the first compression cavity, the sliding member and the movable scroll match to separate the second compression cavity into an intake chamber and a compression chamber, the fixed scroll is constructed with a first intake port, a first exhaust port, a second intake port and a second exhaust port, the first intake port and the first exhaust port are arranged corresponding to the first compression cavity, the second intake port is arranged corresponding to the intake chamber, and the second exhaust port is arranged corresponding to the compression chamber, in the process of the movable scroll rotating relative to the fixed scroll, the movable scroll and the sliding member cooperate to move so that the intake chamber inhales air and the compression chamber compresses gas.

[0005] In some embodiments, the fixed scroll further has an outer peripheral side wall, on which is constructed a slide groove connected to the second compression cavity, and the sliding part includes a sliding body and a matching body, the sliding body is slidably arranged in the slide groove, and the sliding body and the slide groove match, the matching body is connected to the end of the sliding body away from the slide groove, and during the rotation of the movable scroll relative to the fixed scroll, the sliding body slides synchronously along the slide groove so that the matching body is always in contact with the outer surface of the movable scroll.

[0006] In some embodiments, the heights of the sliding body and the mating body are the same as the height of the second compression cavity, the mating body has a first plane facing the movable scroll, and the outer surface of the movable scroll has a second plane, and the second plane is parallel to and abuts the first plane.

[0007] In some embodiments, the height of the sliding body is the same as the height of the second compression cavity, the height of the fitting body is lower than the height of the second compression cavity, the fitting body is embedded in the sliding body, the fitting body has a first plane facing the movable scroll, the sliding body has a third plane facing the movable scroll, the width of the third plane is smaller than the width of the first plane, the first plane and the third plane are in the same plane, the outer surface of the movable scroll has a second plane, the second plane is parallel to the first plane, and the first plane and the third plane are simultaneously in contact with the second plane.

[0008] In some embodiments, the third plane is rounded to form a curved surface, and the curved surface is in line contact with the second plane.

[0009] In some embodiments, the second air intake is configured on the peripheral side wall.

[0010] In some embodiments, the fixed scroll further has a top wall, and the second exhaust port is configured on the top wall.

[0011] The present invention also provides an air conditioner comprising the above-mentioned compressor.

[0012] In some embodiments, the air conditioner further includes an air supply and enthalpy increase system, wherein the gas refrigerant delivered into the compressor by the air supply and enthalpy increase system is mixed with the gas refrigerant discharged from the second exhaust port and then enters the first air intake port.

[0013] The present invention provides a compressor and air conditioner. During the rotation of the orbiting scroll relative to the fixed scroll, the fixed scroll of the fixed scroll and the movable scroll of the orbiting scroll cooperate to cause the first compression cavity to perform vortex compression. Simultaneously, the orbiting scroll and the sliding member cooperate to cause the suction chamber of the second compression cavity to inhale air and the compression chamber to compress gas. The principle of the second compression cavity compressing the gaseous refrigerant is the same as the compression principle of a roller compressor. As a result, the compressor can simultaneously perform dual-cylinder compression using only a pair of fixed and movable scrolls without substantially increasing the number of components. This allows the compressor to combine the characteristics of both a rotor and a scroll compressor, breaking through the common structural form of a series combination of cylinders, greatly reducing the number of components in a dual-cylinder compressor, and making the dual-cylinder compressor simple in design, compact in structure, and highly space-efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the working process of the compression structure of the compressor according to the first embodiment of the present invention;

[0015] Figure 2 Schematic diagram of the working process of the compression structure of the compressor according to the second embodiment of the present invention;

[0016] Figure 3 Schematic diagram of the working process of the compression structure of the compressor according to the third embodiment of the present invention;

[0017] Figure 4 Schematic diagram of the compression structure of a compressor according to an embodiment of the present invention;

[0018] Figure 5 is a cross-sectional view of a compression structure of a compressor according to an embodiment of the present invention;

[0019] Figure 6 An exploded schematic diagram of the compression structure of a compressor according to an embodiment of the present invention;

[0020] Figure 7 A top view of a stationary scroll of a compressor according to an embodiment of the present invention;

[0021] Figure 8 Schematic diagram of the structure of the sliding member of the compressor according to the first embodiment of the present invention;

[0022] Figure 9 Schematic diagram of the structure of a sliding member of a compressor according to a second embodiment of the present invention;

[0023] Figure 10 This is a schematic structural diagram of a sliding part of a compressor according to a third embodiment of the present invention.

[0024] The reference numerals indicate:

[0025] 1. Stationary scroll; 11. Stationary scroll; 12. Peripheral side wall; 13. Top wall; 2. Orbital scroll; 21. Orbital scroll; 22. Base plate; 23. Drive fitting part; 3. Sliding member; 31. Sliding body; 32. Fitting body; 33. First plane; 34. Arc surface; 4. First compression cavity; 5. Intake chamber; 6. Compression chamber; 7. First intake port; 8. First exhaust port; 9. Second intake port; 10. Second exhaust port; 14. Slide groove; 15. Second plane; 16. Drive shaft; 161. Eccentric drive part; 162. Main shaft. DETAILED DESCRIPTION

[0026] See also Figures 1 to 10As shown, according to an embodiment of the present invention, a compressor is provided, comprising: a fixed scroll 1, a movable scroll 2 and a sliding member 3, wherein the fixed scroll 1 has a fixed scroll 11, and the movable scroll 2 has a movable scroll 21. When the fixed scroll 1 and the movable scroll 2 are matched together, a first compression cavity 4 and a second compression cavity are formed in the space enclosed by the fixed scroll 1 and the movable scroll 2. The first compression cavity 4 is formed by the fixed scroll 11 and the movable scroll 21, and the second compression cavity is independent of the first compression cavity 4. The sliding member 3 and the movable scroll 2 are matched to form a first compression cavity 4. The second compression cavity is divided into an intake chamber 5 and a compression chamber 6. The fixed scroll 1 is constructed with a first intake port 7, a first exhaust port 8, a second intake port 9, and a second exhaust port 10. The first intake port 7 and the first exhaust port 8 are arranged corresponding to the first compression cavity 4, the second intake port 9 is arranged corresponding to the intake chamber 5, and the second exhaust port 10 is arranged corresponding to the compression chamber 6. During the rotation of the movable scroll 2 relative to the fixed scroll 1, the movable scroll 2 and the slider 3 cooperate to move so that the intake chamber 5 inhales gas and the compression chamber 6 compresses gas. In this technical solution, during the rotation of the movable scroll 2 relative to the fixed scroll 1, the fixed scroll 11 of the fixed scroll 1 and the movable scroll 21 of the movable scroll 2 cooperate to cause the first compression cavity 4 to perform vortex compression. At the same time, the movable scroll 2 and the slider 3 cooperate to move so that the intake chamber 5 of the second compression cavity inhales gas and the compression chamber 6 compresses gas. The principle of compressing the gaseous refrigerant in the second compression cavity is the same as the compression principle of the roller compressor. As a result, the compressor can perform dual-cylinder compression simultaneously by using only a pair of static scroll 1 and movable scroll 2 without basically adding any parts, so that the compressor has the characteristics of both rotor and scroll compressors, breaking through the common structural form of series combination of cylinders, greatly reducing the number of parts of the dual-cylinder compressor, and making the dual-cylinder compressor simple in design, compact in structure, and high in space utilization.

[0027] See also Figure 1 and Figure 7As shown, the fixed scroll 1 also has an outer peripheral side wall 12, and a slide groove 14 connected to the second compression cavity is constructed on the outer peripheral side wall 12. The sliding part 3 includes a sliding body 31 and a matching body 32. The sliding body 31 is slidably arranged in the slide groove 14, and the sliding body 31 and the slide groove 14 match. The matching body 32 is connected to the end of the sliding body 31 away from the slide groove 14. During the rotation of the movable scroll 2 relative to the fixed scroll 1, the sliding body 31 slides synchronously along the slide groove 14 so that the matching body 32 is always in contact with the outer surface of the movable scroll 21. The movable scroll 2 also includes a base plate 22 and a drive mating portion 23. The movable scroll 21 and the drive mating portion 23 are respectively connected to the upper and lower sides of the base plate 22. The drive shaft 16 includes a main shaft 162 and an eccentric drive portion 161 connected to one end of the main shaft 162. The eccentric drive portion 161 of the drive shaft 16 is inserted into the drive mating portion 23 of the movable scroll 2. When the drive shaft 16 rotates, the eccentric drive portion 161 causes the movable scroll 21 to rotate eccentrically relative to the static scroll 11. One end of the sliding body 31 in the slide groove 14 can be connected to the elastic component. Under the coordinated action of the elastic force of the elastic component and the thrust exerted on the sliding member 3 by the eccentric rotation of the movable scroll 21, the sliding body 31 slides back and forth along the slide groove 14, and the matching body 32 is always in contact with the outer surface of the movable scroll 21. The suction chamber 5 and the compression chamber 6 periodically shrink and expand, and the suction chamber 5 and the compression chamber 6 are always disconnected, thereby realizing the cooperation between the sliding member 3 and the movable scroll 2 to complete the compression process equivalent to that of a roller compressor.

[0028] Figure 1 FIG. 1 shows the working process of the compressor according to the first embodiment of the present invention. Figure 8 The figure shows the structure of the sliding member 3 of the compressor in this embodiment. In the first embodiment, the height of the sliding body 31 and the matching body 32 are both the same as the height of the second compression cavity, and the sliding body 31 and the matching body 32 are vertically connected. The sliding body 31 and the matching body 32 also ensure that the suction chamber 5 and the compression chamber 6 are always disconnected. Figure 2 The figure shows the working process of the compressor of the second embodiment of the present invention. Figure 9 The figure shows a schematic structural diagram of the sliding member 3 of the compressor in this embodiment. In the second embodiment, the height of the sliding body 31 and the matching body 32 are also the same as the height of the second compression cavity, except that the matching body 32 is obliquely connected to the sliding body 31. The matching bodies 32 in the first and second embodiments both have a first plane 33 facing the movable scroll 21, and the outer surface of the movable scroll 21 has a second plane 15, which is parallel to and abuts the first plane 33. This prevents the movable scroll 2 from rotating when it rotates relative to the fixed scroll 1, thereby eliminating the need for a cross slip ring and further reducing the number of parts. Compared with the second embodiment, the sliding member 3 in the first embodiment is more evenly stressed.

[0029] Figure 3The figure shows the working process of the compressor of the third embodiment of the present invention. Figure 10 The figure shows a schematic structural diagram of the slider 3 of the compressor in this embodiment. In the third embodiment, the height of the slider 31 is the same as that of the second compression cavity, while the height of the fitting 32 is lower than that of the second compression cavity. The fitting 32 is embedded in the slider 31. The fitting 32 has a first plane 33 facing the movable scroll 21, and the slider 31 has a third plane facing the movable scroll 21. The first plane 33 and the third plane are coplanar. The outer surface of the movable scroll 21 has a second plane 15, which is parallel to the first plane 33. The first plane 33 and the third plane simultaneously abut the second plane 15. Because the width of the slider 31 is smaller than that of the fitting 32, the width of the third plane is smaller than that of the first plane 33. Therefore, in this embodiment, the slider 31 primarily serves to separate the suction chamber 5 and the compression chamber 6, preventing them from being connected. The fitting 32 primarily serves to prevent the movable scroll 2 from rotating. Compared with the first and second embodiments, the contact area between the movable scroll 2 and the sliding member 3 in this embodiment is smaller, and the leakage length of the entire sliding member 3 is shorter, which is beneficial to sealing and reducing power consumption.

[0030] See also Figure 10 As shown, the third plane is rounded to form an arcuate surface 34, which is in line contact with the second plane 15. This can change the surface contact into line contact, further reducing friction while ensuring that the suction chamber 5 and the compression chamber 6 are not connected.

[0031] See also Figure 6 and Figure 7 As shown, the second air intake port 9 is constructed on the outer peripheral side wall 12. The static scroll 1 also has a top wall 13. Compared with the second air intake port 9 constructed on the top wall, the second air intake port 9 constructed on the outer peripheral side wall 12 is more convenient for air intake. The second exhaust port 10 is constructed on the top wall 13. An exhaust valve plate is also provided at the second exhaust port 10. The exhaust valve plate needs to occupy a certain space. In the compressor, the space along the axial direction of the static scroll 1 is more abundant than the space in the radial direction of the static scroll 1. Therefore, it is more convenient to construct the second exhaust port 10 on the top wall 13 of the static scroll 1. Among them, the second compression cavity is formed by the inner surface of the top wall of the static scroll 1, the inner surface of the outer peripheral side wall, the outer peripheral side surface of the movable scroll 21 and the inner surface of the base plate 22 facing the static scroll 1.

[0032] According to an embodiment of the present invention, an air conditioner is also provided, comprising the above-mentioned compressor. The first air intake port 7 and the second air intake port 9 of the compressor can each inhale air independently and then be connected to two refrigeration systems respectively. At the same time, an air supply and enthalpy increase system can also be designed in the air conditioner. The second air intake port 9 serves as the low-pressure stage intake. The gas refrigerant discharged from the second exhaust port 10 is mixed with the gas refrigerant transported into the compressor by the air supply and enthalpy increase system and then enters the first air intake port 7. The first exhaust port 8 serves as the final exhaust. This can reduce the exhaust temperature of the compressor, which is beneficial to the heat dissipation and lubrication of the compressor, and can also improve the heating performance of the air conditioner.

[0033] It is easy for those skilled in the art to understand that, under the premise of no conflict, the above-mentioned advantageous methods can be freely combined and superimposed.

[0034] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention. The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art may make various improvements and variations without departing from the technical principles of the present invention, and such improvements and variations shall also be considered within the scope of protection of the present invention.

Claims

1. A compressor, characterized in that: The invention comprises a fixed scroll (1), a movable scroll (2) and a sliding member (3), wherein the fixed scroll (1) has a fixed scroll (11), and the movable scroll (2) has a movable scroll (21). When the fixed scroll (1) and the movable scroll (2) are matched together, a first compression cavity (4) and a second compression cavity are formed in the space enclosed by the fixed scroll (1) and the movable scroll (2). The first compression cavity (4) is formed by the fixed scroll (11) and the movable scroll (21). The second compression cavity is independent of the first compression cavity (4). The sliding member (3) and the movable scroll (2) are matched to separate the second compression cavity into an intake cavity ( 5) and a compression chamber (6), the fixed scroll (1) is constructed with a first suction port (7), a first exhaust port (8), a second suction port (9) and a second exhaust port (10), the first suction port (7) and the first exhaust port (8) are arranged corresponding to the first compression cavity (4), the second suction port (9) is arranged corresponding to the suction chamber (5), and the second exhaust port (10) is arranged corresponding to the compression chamber (6), and during the rotation of the movable scroll (2) relative to the fixed scroll (1), the movable scroll (2) and the sliding member (3) move in coordination so that the suction chamber (5) inhales air and the compression chamber (6) compresses gas.

2. The compressor according to claim 1, characterized in that The static scroll (1) also has an outer peripheral side wall (12), and a slide groove (14) communicating with the second compression cavity is constructed on the outer peripheral side wall (12). The sliding member (3) includes a sliding body (31) and a matching body (32). The sliding body (31) is slidably arranged in the slide groove (14), and the sliding body (31) and the slide groove (14) match each other. The matching body (32) is connected to the end of the sliding body (31) away from the slide groove (14). During the rotation of the movable scroll (2) relative to the static scroll (1), the sliding body (31) slides synchronously along the slide groove (14) so ​​that the matching body (32) always abuts against the outer surface of the movable scroll (21).

3. The compressor according to claim 2, characterized in that The heights of the sliding body (31) and the matching body (32) are both the same as the height of the second compression cavity. The matching body (32) has a first plane (33) facing the movable scroll (21). The outer surface of the movable scroll (21) has a second plane (15). The second plane (15) is parallel to and abuts against the first plane (33).

4. The compressor according to claim 2, characterized in that The height of the sliding body (31) is the same as the height of the second compression cavity, the height of the matching body (32) is lower than the height of the second compression cavity, the matching body (32) is embedded in the sliding body (31), the matching body (32) has a first plane (33) facing the movable scroll (21), the sliding body (31) has a third plane facing the movable scroll (21), the width of the third plane is smaller than the width of the first plane (33), the first plane (33) and the third plane are in the same plane, the outer surface of the movable scroll (21) has a second plane (15), the second plane (15) is parallel to the first plane (33), and the first plane (33) and the third plane are simultaneously in contact with the second plane (15).

5. The compressor according to claim 4, characterized in that The third plane is rounded to form an arcuate surface (34), and the arcuate surface (34) is in line contact with the second plane (15).

6. The compressor according to claim 2, characterized in that The second air intake port (9) is constructed on the outer peripheral side wall (12).

7. The compressor according to claim 2, characterized in that The fixed scroll (1) further has a top wall (13), and the second exhaust port (10) is configured on the top wall (13).

8. An air conditioner, characterized in that: Comprising the compressor according to any one of claims 1 to 7.

9. The air conditioner according to claim 8, characterized in that It also includes an air-supplying and enthalpy-increasing system, wherein the gas refrigerant transported into the compressor by the air-supplying and enthalpy-increasing system is mixed with the gas refrigerant discharged from the second exhaust port (10) and then enters the first air intake port (7).

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