Compressor and air conditioner having the same

Abstract

The application provides a compressor and an air conditioner with the same, and relates to the technical field of air conditioners. The compressor comprises a cylinder assembly, the cylinder assembly comprising at least two cylinders, the cylinder assembly being provided with a control chamber and at least two enthalpy-increasing channels, one of the enthalpy-increasing channels being arranged in correspondence with one working cavity, and two adjacent enthalpy-increasing channels being arranged in communication with the control chamber, and a total enthalpy-increasing opening in communication with the control chamber being arranged on the side wall of the control chamber; and a control valve is movably arranged in the control chamber, so that the control valve has a working position in which one of the two adjacent enthalpy-increasing channels is in communication with the total enthalpy-increasing opening for enthalpy-increasing operation, and the other enthalpy-increasing channel is in a closed state. The technical scheme of the application solves the problem that the compression chamber of one cylinder is in communication with the suction chamber of another cylinder when the two cylinders are provided with the enthalpy-increasing channels at the same time, improves the enthalpy-increasing effect of the compressor, and improves the performance of the compressor.

Description

Technical Field

[0001] This invention relates to the field of air conditioning, and more specifically, to a compressor and an air conditioner having the same. Background Technology

[0002] In existing technologies, rolling rotor compressors have significant advantages such as small size and simple structure, and are widely used in household air conditioners, commercial air conditioners, and low-temperature heat pumps. The industry has developed a method to extend the compressor's operating range and improve its cooling / heating capacity and overall performance by incorporating an enthalpy-enhancing channel into the compressor pump chamber after throttling.

[0003] To improve compressor performance, the industry widely adopts a flattened pump body and small shaft diameter technology, which significantly increases crankshaft eccentricity. This technology has little impact on the design of the enthalpy-increasing channel in single-cylinder compressors, but it poses a significant technical challenge to the design of the enthalpy-increasing channel in dual-cylinder compressors. This is because the location of the enthalpy-increasing port in a dual-cylinder single-stage enthalpy-increasing compressor has strict requirements to avoid the simultaneous opening of the enthalpy-increasing ports in both the upper and lower cylinders. The enthalpy-increasing port can only be located within the designated area (e.g., ...). Figure 3 The enthalpy-increasing port can be set in area 31 (as shown). However, as the crankshaft eccentricity increases, the area where the enthalpy-increasing port can be set will become smaller and smaller. If enthalpy-increasing channels are set on both cylinders, when the crankshaft rotates to a certain angle range, the upper cylinder compression chamber will be connected to the lower cylinder suction chamber (or the upper cylinder suction chamber will be connected to the lower cylinder compression chamber). At this time, the refrigerant in the compression chamber will be injected into the suction chamber, which will not only fail to improve the compressor performance, but will also significantly reduce the compressor performance.

[0004] There is currently no effective solution to the technical problem of connecting the compression chamber of one cylinder to the intake chamber of the other cylinder after setting enthalpy-increasing channels on both cylinders. Summary of the Invention

[0005] The main objective of this invention is to provide a compressor and an air conditioner having the same, so as to solve the technical problem in the prior art where the compression chamber of one cylinder is connected to the intake chamber of the other cylinder after enthalpy-increasing channels are provided on both cylinders.

[0006] To achieve the above objectives, according to one aspect of the present invention, a compressor is provided, comprising: a cylinder assembly including at least two cylinders, each cylinder having a working chamber, each working chamber having a roller disposed therein, the cylinder assembly having a control chamber and at least two enthalpy-increasing channels, one enthalpy-increasing channel being disposed corresponding to one working chamber, two adjacent enthalpy-increasing channels being connected to one control chamber, and a total enthalpy-increasing port being disposed on the side wall of the control chamber and connected to the control chamber; and a control valve movably disposed within the control chamber such that the control valve has a working position in which one of the two adjacent enthalpy-increasing channels is connected to the total enthalpy-increasing port for enthalpy-increasing operation, and the other enthalpy-increasing channel is in a closed state.

[0007] Furthermore, during the compression process, when the pressure in one working chamber is greater than the pressure in the other working chamber, the refrigerant in the working chamber with higher pressure drives the control valve to move to another working position, so that the working chamber with lower pressure can perform enthalpy increase operation.

[0008] Furthermore, the cylinder assembly also includes a partition, which is disposed between two adjacent cylinders, and at least a portion of the enthalpy-increasing passage is opened on the partition.

[0009] Furthermore, there are two cylinders, which are arranged overlapping along the height direction of the cylinders, and a partition is arranged between the two cylinders.

[0010] Furthermore, the two cylinders include a first cylinder and a second cylinder, wherein the control chamber and the total enthalpy inlet are located on at least one of the first cylinder and the partition.

[0011] Furthermore, a first conductive structure and a second conductive structure are provided on the side wall of the control chamber. The control valve is movably disposed between the first conductive structure and the second conductive structure. The enthalpy-increasing channel includes a first enthalpy-increasing channel and a second enthalpy-increasing channel. The first enthalpy-increasing channel is respectively opened on the first cylinder and the partition plate. The first end of the first enthalpy-increasing channel is connected to the control chamber through the first conductive structure. The second end of the first enthalpy-increasing channel is opened on the partition plate and is connected to the working chamber of the second cylinder. The first end of the second enthalpy-increasing channel is connected to the second conductive structure. The second end of the second enthalpy-increasing channel is opened on the partition plate and is connected to the working chamber of the first cylinder.

[0012] Furthermore, the working positions include a first working position and a second working position. The control valve is provided with a third conducting structure. When the control valve is in the first working position, the total enthalpy increase port is connected in sequence to the third conducting structure, the first conducting structure, the first enthalpy increase channel, and the working chamber of the second cylinder to enable the second cylinder to perform enthalpy increase and gas replenishment operations. When the control valve is in the second working position, the total enthalpy increase port is connected in sequence to the third conducting structure, the second conducting structure, the second enthalpy increase channel, and the working chamber of the first cylinder to enable the first cylinder to perform enthalpy increase and gas replenishment operations. In the first working position, the control valve isolates the second conducting structure on the bottom side of the control valve. In the second working position, the control valve isolates the first conducting structure on the top side of the control valve.

[0013] Furthermore, the control valve includes: a valve core, and the third conduction structure is an annular groove or through hole structure formed on the valve core.

[0014] Furthermore, the valve core includes: a first sealing ring disposed on the side away from the partition; a second sealing ring disposed on the side close to the partition; and a connecting rod disposed between the first and second sealing rings, with both ends of the connecting rod passing through the inner holes of the first and second sealing rings respectively to connect the first and second sealing rings, forming a third conductive structure between the first and second sealing rings and the connecting rod; wherein the outer diameters of the first and second sealing rings are the same as the aperture of the control chamber.

[0015] Furthermore, the first end of the connecting rod extends through the first sealing ring to the outside of the first sealing ring, and the second end of the connecting rod extends through the second sealing ring to the outside of the second sealing ring.

[0016] According to another aspect of the present invention, an air conditioner is provided, the air conditioner having a compressor, the compressor being the compressor described above.

[0017] By applying the technical solution of this invention, one enthalpy-increasing channel is correspondingly set to the working chamber of one cylinder. When the control valve is in one of the working positions, one enthalpy-increasing channel is connected to the main enthalpy-increasing port to perform enthalpy-increasing operation, while the other enthalpy-increasing channel is in a closed state. This achieves the purpose of avoiding the simultaneous opening of the enthalpy-increasing channels of two adjacent cylinders, and solves the problem in the prior art where the compression chamber of one cylinder is connected to the intake chamber of another cylinder when two adjacent cylinders are simultaneously equipped with enthalpy-increasing channels. At the same time, compared with the prior art, which only sets an enthalpy-increasing channel on a single cylinder, setting an enthalpy-increasing channel for each cylinder can increase the enthalpy-increasing amount and is beneficial to improving the performance of the compressor. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0019] Figure 1 A schematic diagram of the structure of a first embodiment of a compressor according to the present invention is shown;

[0020] Figure 2 A schematic diagram of the structure of a first embodiment of a compressor cylinder according to the present invention is shown;

[0021] Figure 3 A schematic diagram of a second embodiment of a compressor according to the present invention is shown;

[0022] Figure 4 A schematic diagram of a compressor partition according to an embodiment of the present invention is shown;

[0023] Figure 5 A schematic diagram of the structure of an embodiment of the first cylinder of a compressor according to the present invention is shown;

[0024] Figure 6 A schematic diagram of an embodiment of a compressor valve core according to the present invention is shown;

[0025] Figure 7 A schematic diagram of an embodiment of the control valve according to the present invention in the first working position is shown;

[0026] Figure 8 A schematic diagram of an embodiment of the control valve according to the present invention in the second working position is shown.

[0027] The above figures include the following reference numerals:

[0028] 1. Cylinder assembly; 10. Pump body assembly; 11. Upper flange; 12. Lower flange;

[0029] 2. Cylinder; 200. Working chamber; 21. First cylinder; 22. Second cylinder; 23. Intake chamber; 24. Compression chamber; 25. Sliding vane;

[0030] 3. Roller; 31. Enthalpy-increasing orifice can be set to a specific area;

[0031] 4. Control room; 40. Total enthalpy increase port; 41. First conductive structure; 42. Second conductive structure;

[0032] 5. Enthalpy-increasing channel; 51. First enthalpy-increasing channel; 52. Second enthalpy-increasing channel;

[0033] 6. Control valve; 60. Valve core; 600. Third conduction structure; 61. First sealing ring; 62. Second sealing ring; 63. Connecting rod;

[0034] 7. Partition; 71. First enthalpy-increasing orifice; 72. First enthalpy-increasing partition connection port; 73. Second enthalpy-increasing partition connection port; 74. Second enthalpy-increasing orifice; 75. First connecting channel; 76. Second connecting channel;

[0035] 8. Casing; 81. Dispenser; 82. Motor;

[0036] 9. Crankshaft; 91. Long shaft; 92. Upper eccentric part; 93. Lower eccentric part; 94. Short shaft. Detailed Implementation

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0039] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0040] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.

[0041] Combination Figures 1 to 8 As shown, according to a specific embodiment of this application, a compressor is provided.

[0042] The compressor includes a cylinder assembly 1 and a control valve 6. The cylinder assembly 1 includes at least two cylinders 2, each cylinder 2 having a working chamber 200, and each working chamber 200 having a roller 3. The cylinder assembly 1 is provided with a control chamber 4 and at least two enthalpy-increasing channels 5. One enthalpy-increasing channel 5 is correspondingly provided with one working chamber 200, and two adjacent enthalpy-increasing channels 5 are connected to one control chamber 4. A total enthalpy-increasing port 40 connected to the control chamber 4 is provided on the side wall of the control chamber 4. The control valve 6 is movably provided in the control chamber 4 so that the control valve 6 has a working position in which one of the two adjacent enthalpy-increasing channels 5 is connected to the total enthalpy-increasing port 40 to perform enthalpy-increasing operation, and the other enthalpy-increasing channel 5 is in a closed state.

[0043] Applying the technical solution of this embodiment, one enthalpy-increasing channel 5 is correspondingly set with the working chamber 200 of one cylinder 2. When the control valve 6 is in one of the working positions, one enthalpy-increasing channel 5 is connected to the total enthalpy-increasing port 40 to perform enthalpy-increasing operation, while the other enthalpy-increasing channel is in a closed state. This can achieve the purpose of avoiding the simultaneous opening of the enthalpy-increasing channels 5 of two adjacent cylinders 2, and solve the problem in the prior art where the compression chamber of one cylinder 2 is connected to the suction chamber of another cylinder 2 when two adjacent cylinders are simultaneously provided with enthalpy-increasing channels. At the same time, compared with the prior art, which only sets an enthalpy-increasing channel on a single cylinder 2, each cylinder 2 is provided with a corresponding enthalpy-increasing channel 5, which can increase the enthalpy-increasing amount and is beneficial to improving the performance of the compressor.

[0044] Furthermore, in this embodiment, during the compression process, when the pressure in one working chamber 200 is greater than the pressure in the other, the refrigerant-driven control valve 6 in the working chamber 200 with higher pressure moves to another working position, allowing the working chamber 200 with lower pressure to perform enthalpy-increasing operations. The switching of the control valve 6 between different working positions is controlled by the pressure difference between the two cylinders 2 connected to the control chamber 4, ensuring that the cylinder 2 with lower pressure performs enthalpy-increasing operations, further improving compressor performance.

[0045] Specifically, the cylinder assembly 1 also includes a partition 7, which is disposed between two adjacent cylinders 2, and at least part of the enthalpy-increasing channel 5 is formed on the partition 7. By setting the partition 7, mutual interference between two adjacent cylinders 2 during operation can be avoided.

[0046] In this embodiment, a portion of the enthalpy-increasing channel 5 is opened inside the partition 7, allowing the refrigerant entering the control chamber 4 to smoothly pass through the partition 7 and enter the two cylinders 2. It should be noted that the control chamber 4 can be opened on either of the two adjacent cylinders 2, or it can be opened on the partition 7. For example, when the control chamber 4 is opened on the partition 7, the entire enthalpy-increasing channel 5 can be opened on the partition 7, and after the refrigerant enters the partition 7, it enters the two cylinders 2 respectively along the two enthalpy-increasing channels 5.

[0047] Specifically, there are two cylinders 2, which are arranged overlappingly along their height direction, and a partition 7 is disposed between the two cylinders 2. Arranging two cylinders 2 overlapping along their height direction makes the compressor's structural layout more rational, facilitating subsequent structural arrangements, installation, and operation, such as the crankshaft. It should be noted that the height direction of the cylinder 2 is also the axial direction of the cylinder 2.

[0048] In conjunction with the foregoing embodiments, such as Figure 1 As shown, when the compressor is a twin-cylinder large crankshaft eccentricity compressor, setting the above-mentioned enthalpy-increasing channel 5, control valve 6, and control chamber 4 in the twin-cylinder compressor can solve the problem in the prior art where, when the crankshaft eccentricity of the twin-cylinder compressor is large, the compression chamber of one cylinder 2 is connected to the intake chamber of the other cylinder 2 when the two cylinders 2 are simultaneously equipped with enthalpy-increasing channels. This improves the enthalpy-increasing effect of the twin-cylinder large crankshaft eccentricity compressor and improves the compressor performance.

[0049] Furthermore, the two cylinders 2 include a first cylinder 21 and a second cylinder 22, wherein the control chamber 4 and the total enthalpy inlet 40 are opened on at least one of the first cylinder 21 and the partition 7.

[0050] In this embodiment, the first cylinder 21 is located above the second cylinder 22. Depending on actual needs, the control chamber 4 and the total enthalpy inlet 40 can also be located on the second cylinder 22 located below.

[0051] Specifically, a first conductive structure 41 and a second conductive structure 42 are provided on the side wall of the control chamber 4. The control valve 6 is movably disposed between the first conductive structure 41 and the second conductive structure 42. The enthalpy-increasing channel 5 includes a first enthalpy-increasing channel 51 and a second enthalpy-increasing channel 52. The first enthalpy-increasing channel 51 is respectively opened on the first cylinder 21 and the partition 7. The first end of the first enthalpy-increasing channel 51 is connected to the control chamber 4 through the first conductive structure 41. The second end of the first enthalpy-increasing channel 51 is opened on the partition 7 and is connected to the working chamber 200 of the second cylinder 22. The first end of the second enthalpy-increasing channel 52 is connected to the second conductive structure 42 and the second end of the second enthalpy-increasing channel 52 is opened on the partition 7 and is connected to the working chamber 200 of the first cylinder 21. Both the first conductive structure 41 and the second conductive structure 42 are located on the side wall of the control chamber 4. By adjusting the opening and closing of the first conductive structure 41 and the second conductive structure 42 through the control valve 6, the opening and closing control of the first enthalpy-increasing channel 51 and the second enthalpy-increasing channel 52 can be realized. Furthermore, the second end of the second enthalpy-increasing channel 52 is connected to the working chamber 200 of the first cylinder 21, and the second end of the first enthalpy-increasing channel 51 is connected to the working chamber 200 of the second cylinder 22. That is, the pressure difference between the working chamber 200 of the first cylinder 21 and the working chamber 200 of the second cylinder 22 can be transmitted to the control chamber 4, thereby directly realizing the switching control of the working position of the control valve 6 through the pressure difference.

[0052] In one exemplary embodiment of this application, the first conductive structure 41 is a groove structure formed at one end of the control room 4 away from the partition 7, and the second conductive structure 42 is a groove structure formed at one end of the control room 4 near the partition 7.

[0053] Specifically, the working positions include a first working position and a second working position. The control valve 6 is provided with a third conducting structure 600. When the control valve 6 is in the first working position, the total enthalpy increase port 40 is connected in sequence to the third conducting structure 600, the first conducting structure 41, the first enthalpy increase channel 51, and the working chamber 200 of the second cylinder 22 so that the second cylinder 22 can perform enthalpy increase and gas replenishment operations. When the control valve 6 is in the second working position, the total enthalpy increase port 40 is connected in sequence to the third conducting structure 600, the second conducting structure 42, the second enthalpy increase channel 52, and the working chamber 200 of the first cylinder 21 so that the first cylinder 21 can perform enthalpy increase and gas replenishment operations. When the control valve 6 is in the first working position, the control valve 6 isolates the second conducting structure 42 on the bottom side of the control valve 6. When the control valve 6 is in the second working position, the control valve 6 isolates the first conducting structure 41 on the top side of the control valve 6. This configuration ensures that the first conductive structure 41 and the second conductive structure 42 are absolutely not connected, avoiding the possibility of cross-flow caused by the connection of the working chambers 200 of the two cylinders 2, thus improving the performance of the compressor.

[0054] In this embodiment, the total enthalpy increase port 40 is a through hole structure arranged in the radial direction of the first cylinder 21.

[0055] Furthermore, the control valve 6 includes a valve core 60, which includes a first sealing ring 61, a second sealing ring 62, and a connecting rod 63. The first sealing ring 61 is disposed on the side away from the partition 7; the second sealing ring 62 is disposed on the side close to the partition 7; the connecting rod 63 is disposed between the first sealing ring 61 and the second sealing ring 62, with both ends of the connecting rod 63 passing through the inner holes of the first sealing ring 61 and the second sealing ring 62, respectively, to connect the first sealing ring 61 and the second sealing ring 62. A third conductive structure 600 is formed between the first sealing ring 61, the second sealing ring 62, and the connecting rod 63; wherein the outer diameter of the first sealing ring 61 and the outer diameter of the second sealing ring 62 are both set to be the same as the aperture of the control chamber 4. The outer diameters of the first sealing ring 61 and the second sealing ring 62 are both set to be the same as the aperture of the control chamber 4. This ensures that the gaps between the first sealing ring 61, the second sealing ring 62 and the side wall of the control chamber 4 are small, preventing the refrigerant from flowing along the gaps between the first sealing ring 61, the second sealing ring 62 and the side wall of the control chamber 4, thus ensuring the airtightness and stability of the structure and improving the safety during enthalpy increase operation.

[0056] Those skilled in the art should understand that, in order to ensure that the first sealing ring 61 and the second sealing ring 62 can move within the control chamber 4, there should be a certain gap between the first sealing ring 61, the second sealing ring 62 and the control chamber 4. At the same time, this gap should be controlled within a small range to ensure the sealing effect.

[0057] Preferably, the third conductive structure 600 is an annular groove or through hole structure formed on the valve core 60. By forming the third conductive structure 600 on the valve core 60, the compressor structure can be made more compact and the manufacturing cost can be reduced.

[0058] As shown in the figure, the first sealing ring 61, the second sealing ring 62 and the connecting rod 63 form a gap, and the valve core 60 is installed in the control chamber 4. This gap and the side wall of the control chamber 4 form a third conductive structure 600, which can connect the total enthalpy port 40 with the first conductive structure 41 and the second conductive structure 42. The valve core 60 in this embodiment has a simple structure. The purpose of refrigerant flow can be achieved by its own structure, avoiding the need for other conductive structures and reducing manufacturing costs.

[0059] In one exemplary embodiment of this application, the first end of the connecting rod 63 extends through the first sealing ring 61 to the outside of the first sealing ring 61, and the second end of the connecting rod 63 extends through the second sealing ring 62 to the outside of the second sealing ring 62. This allows the refrigerant to enter the second enthalpy-increasing channel 52 of the partition 7 through the total enthalpy-increasing port 40, the third conductive structure 600, the second conductive structure 42, and the space between the second sealing ring 62 and the partition 7 when the valve core 60 moves to its lower limit position (i.e., when the second end of the connecting rod 63 contacts the partition 7). Compared to the scheme where the second sealing ring 62 contacts the partition 7, the final flow rate of refrigerant into the partition 7 is greater, improving compressor efficiency.

[0060] According to another specific embodiment of this application, an air conditioner is also provided, which has a compressor, the compressor being the compressor in the above embodiment.

[0061] This application also provides a preferred embodiment of a rolling rotor type twin-cylinder compressor, which adopts a structure in which both cylinders are equipped with enthalpy-increasing channels. The purpose is to solve the problem in the prior art that when the crankshaft rotates to a certain angle range, the compression chamber of the upper cylinder and the intake chamber of the lower cylinder will be connected, resulting in a reduction in compressor performance.

[0062] Specifically, the rolling rotor type twin-cylinder compressor includes a distributor 81, a housing 8, a motor 82, and a pump assembly 10. The distributor 81 is located outside the housing 8 and is used to deliver low-pressure refrigerant to the pump assembly 10. The housing 8 encloses the motor 82 and the pump assembly 10 and forms an airtight isolation with the external environment. The motor 82 is fixedly connected to the upper part of the housing 8 by interference fit, and the pump assembly 10 is located below the motor 82 and is connected to the housing 8 by a welded joint. The pump assembly 10 includes an upper flange 11, a first cylinder 21, a partition 7, a second cylinder 22, and a lower flange 12. The crankshaft 9 includes a long shaft 91, an upper eccentric portion 92, a lower eccentric portion 93, and a short shaft 94. The crankshaft 9 is rotatably fitted inside the upper flange 11. The upper eccentric portion 92 is located inside the first cylinder 21, and rollers 3 are fitted on the outer circle of the upper eccentric portion 92, abutting against the sliding vanes 25 movably disposed in the sliding vane groove of the first cylinder 21. The lower eccentric portion 93 is located inside the second cylinder 22. A roller 3 is fitted onto the outer circumference of the lower eccentric portion 93, abutting against a sliding plate 25 movably disposed within the sliding plate groove of the second cylinder 22. The sliding plate 25 and the roller 3 divide the working chamber 200 of the cylinder into an intake chamber 23 and a compression chamber 24 (e.g., ...). Figure 2 (As shown). The rotor is mounted on the long shaft 91 of the crankshaft and located above the upper flange 11. The motor drives the rotor to rotate, which in turn drives the crankshaft 9 and the rollers 3 to rotate together. As the volumes of the intake chamber 23 and the compression chamber 24 change, the compressor continuously draws low-pressure gas into the intake chamber 23 and compresses it in the compression chamber 24 before discharging it from the pump body.

[0063] Among them, such as Figure 4As shown, the end of the partition 7 adjacent to the first cylinder 21 is provided with a first enthalpy-increasing orifice 71, a first enthalpy-increasing partition connection port 72, and a second enthalpy-increasing partition connection port 73. A first connecting channel 75 is provided between the first enthalpy-increasing orifice 71 and the first enthalpy-increasing partition connection port 72. A second enthalpy-increasing orifice 74 is provided on the side of the partition 7 opposite to the first cylinder side. A second connecting channel 76 is provided between the second enthalpy-increasing orifice 74 and the second enthalpy-increasing partition connection port 73. The first enthalpy-increasing orifice 71 is connected to the first cylinder 21, and the second enthalpy-increasing orifice 74 is connected to the second cylinder 22.

[0064] like Figure 6 As shown, the valve core 60 consists of a first sealing ring 61, a second sealing ring 62, and a connecting rod 63. The valve core 60 is movably fitted inside the control chamber 4.

[0065] like Figure 5 As shown, the first cylinder 21 has a control chamber 4, a main enthalpy-increasing port 40, and a connection port for the second enthalpy-increasing cylinder (i.e., Figure 5 The end of the first enthalpy-increasing channel 51 that is away from the first conductive structure 41, regardless of the working position of the valve core 60, the total enthalpy-increasing port 40 is always located in the area between the first sealing ring 61 and the second sealing ring 62.

[0066] Specifically, the first enthalpy-increasing channel 51 includes a second enthalpy-increasing orifice 74, a second connecting channel 76, a second enthalpy-increasing partition connection port 73, a second enthalpy-increasing cylinder connection port, and a first conductive structure 41 connected in sequence. The first conductive structure 41 is connected to the valve core end face and the third conductive structure 600 of the valve core 60, or the first conductive structure 41 is only connected to the valve core end face.

[0067] Specifically, the second enthalpy-increasing channel 52 includes a first enthalpy-increasing orifice 71, a first connecting channel 75, a first enthalpy-increasing baffle connection port 72, and a second conductive structure 42 connected in sequence. The first enthalpy-increasing baffle connection port 72 is connected to the other end face of the valve core and the third conductive structure 600 of the valve core 60, or the first enthalpy-increasing baffle connection port 72 is only connected to the other end face of the valve core.

[0068] This embodiment employs a dual-cylinder structure with enthalpy-increasing channels on both cylinders. This solves the problem of communication between the compression chamber of one cylinder 2 and the intake chamber of the other cylinder 2 when both cylinders 2 have enthalpy-increasing channels simultaneously. This improves the enthalpy-increasing effect of the dual-cylinder large crankshaft eccentricity compressor and enhances compressor performance. Its specific working principle is as follows:

[0069] The working principle of enthalpy increase in the second cylinder 22 is as follows: Figure 7As shown, when the pressure introduced at the second enthalpy-increasing orifice 74 is less than the pressure introduced at the first enthalpy-increasing orifice 71, the valve core 60 moves downward, the total enthalpy-increasing port 40 is disconnected from the second enthalpy-increasing channel 52 and connected to the second enthalpy-increasing orifice 74 through the first enthalpy-increasing channel 51, and the refrigerant in the total enthalpy-increasing orifice 40 is injected into the working chamber 200 of the second cylinder 22 to achieve enthalpy increase.

[0070] The working principle of enthalpy increase in the first cylinder 21 is as follows: Figure 8 As shown, when the pressure introduced at the second enthalpy-increasing orifice 74 is greater than the pressure introduced at the first enthalpy-increasing orifice 71, the valve core 60 moves upward, the total enthalpy-increasing port 40 is disconnected from the first enthalpy-increasing channel 51 and connected to the first enthalpy-increasing orifice 71 through the second enthalpy-increasing channel 52, and the refrigerant in the total enthalpy-increasing orifice 40 is injected into the working chamber 200 of the first cylinder 21 to achieve enthalpy increase.

[0071] By applying the technical solution of this embodiment, and by setting an enthalpy-increasing channel structure in both cylinders, the first enthalpy-increasing hole 71 and the second enthalpy-increasing hole 74 are always in a non-connected state during the enthalpy-increasing operation. This avoids the problem of cross-flow and reduced compressor performance caused by the connection of the working chambers 200 of two adjacent cylinders 2, thereby improving the enthalpy-increasing effect of the dual-cylinder large crankshaft eccentricity compressor and improving the compressor performance.

[0072] 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.

[0073] In addition to the above, it should be noted that the terms "one embodiment," "another embodiment," and "embodiment" used in this specification refer to specific features, structures, or characteristics described in connection with that embodiment, which are included in at least one embodiment described in the general description of this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in connection with any embodiment, the intention is to suggest that implementing such a feature, structure, or characteristic in conjunction with other embodiments also falls within the scope of this invention.

[0074] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0075] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A compressor, characterized in that, include: A cylinder assembly (1) includes at least two cylinders (2), each cylinder (2) having a working chamber (200), each working chamber (200) having a roller (3), the cylinder assembly (1) having a control chamber (4) and at least two enthalpy-increasing channels (5), one enthalpy-increasing channel (5) being correspondingly provided with one working chamber (200), two adjacent enthalpy-increasing channels (5) being connected to one control chamber (4), and a total enthalpy-increasing port (40) connected to the control chamber (4) being provided on the side wall of the control chamber (4). Control valve (6), which is movably disposed in the control chamber (4) so ​​that the control valve (6) has a working position in which one of the two adjacent enthalpy increase channels (5) is connected to the total enthalpy increase port (40) for enthalpy increase operation, and the other enthalpy increase channel (5) is in a closed state. During the compression process, when the pressure in one of the working chambers (200) is greater than the pressure in the other working chamber (200), the refrigerant in the working chamber (200) with higher pressure drives the control valve (6) to move to the other working position so that the working chamber (200) with lower pressure can perform enthalpy increase operation.

2. The compressor according to claim 1, characterized in that, The cylinder assembly (1) also includes: A partition (7) is disposed between two adjacent cylinders (2), and at least part of the enthalpy-increasing channel (5) is opened on the partition (7).

3. The compressor according to claim 2, characterized in that, There are two cylinders (2), and the two cylinders (2) are arranged overlapping along the height direction of the cylinders (2), and the partition (7) is arranged between the two cylinders (2).

4. The compressor according to claim 3, characterized in that, The two cylinders (2) include a first cylinder (21) and a second cylinder (22), wherein the control chamber (4) and the total enthalpy inlet (40) are located on at least one of the first cylinder (21) and the partition (7).

5. The compressor according to claim 4, characterized in that, The control chamber (4) has a first conductive structure (41) and a second conductive structure (42) on its side wall. The control valve (6) is movably disposed between the first conductive structure (41) and the second conductive structure (42). The enthalpy-increasing channel (5) includes a first enthalpy-increasing channel (51) and a second enthalpy-increasing channel (52). The first enthalpy-increasing channel (51) is respectively opened on the first cylinder (21) and the partition (7), and the first end of the first enthalpy-increasing channel (51) passes through the first conductive structure (41). The first enthalpy-increasing channel (51) is connected to the control room (4). The second end of the first enthalpy-increasing channel (51) is opened on the partition (7). The second end of the first enthalpy-increasing channel (51) is connected to the working chamber (200) of the second cylinder (22). The first end of the second enthalpy-increasing channel (52) is connected to the second conductive structure (42). The second end of the second enthalpy-increasing channel (52) is opened on the partition (7). The second end of the second enthalpy-increasing channel (52) is connected to the working chamber (200) of the first cylinder (21).

6. The compressor according to claim 5, characterized in that, The working positions include a first working position and a second working position. The control valve (6) is provided with a third conducting structure (600). When the control valve (6) is in the first working position, the total enthalpy increase port (40) is sequentially connected to the third conducting structure (600), the first conducting structure (41), the first enthalpy increase channel (51), and the working chamber (200) of the second cylinder (22) so that the second cylinder (22) can perform enthalpy increase and gas replenishment operations. When the control valve (6) is in the second ... The three-conductor structure (600), the second-conductor structure (42), the second-enthalpy-increasing channel (52), and the working chamber (200) of the first cylinder (21) are connected to enable the first cylinder (21) to perform enthalpy-increasing gas replenishment operation. When the control valve (6) is in the first working position, the control valve (6) isolates the second-conductor structure (42) on the bottom side of the control valve (6). When the control valve (6) is in the second working position, the control valve (6) isolates the first-conductor structure (41) on the top side of the control valve (6).

7. The compressor according to claim 6, characterized in that, The control valve (6) includes: The valve core (60) and the third conductive structure (600) are an annular groove or through hole structure opened on the valve core (60).

8. The compressor according to claim 7, characterized in that, The valve core (60) includes: The first sealing ring (61) is disposed on the side away from the partition (7); The second sealing ring (62) is disposed near the side where the partition plate (7) is located; A connecting rod (63) is disposed between the first sealing ring (61) and the second sealing ring (62). The two ends of the connecting rod (63) pass through the inner holes of the first sealing ring (61) and the second sealing ring (62) respectively, so as to connect the first sealing ring (61) and the second sealing ring (62). The first sealing ring (61), the second sealing ring (62) and the connecting rod (63) form the third conductive structure (600). The outer diameters of the first sealing ring (61) and the second sealing ring (62) are both set to be the same as the aperture of the control chamber (4).

9. The compressor according to claim 8, characterized in that, The first end of the connecting rod (63) extends through the first sealing ring (61) to the outside of the first sealing ring (61), and the second end of the connecting rod (63) extends through the second sealing ring (62) to the outside of the second sealing ring (62).

10. An air conditioner, the air conditioner having a compressor, characterized in that, The compressor is the compressor described in any one of claims 1-9.

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