Compressor and refrigeration equipment

Abstract

The utility model relates to the technical field of refrigeration equipment, in particular to a compressor and refrigeration equipment, the compressor comprises a shell, a rotor and a sliding valve, and a compression cavity and a sliding channel communicating with the compression cavity are formed in the shell; the rotor is rotatably arranged in the compression cavity and is used for compressing air entering the compression cavity; the sliding valve is arranged in the sliding channel in a sliding mode, a cavity is formed in the sliding valve and communicates with an external oil supply system, an oil spraying opening communicating with the cavity is formed in the side, facing the compression cavity, of the sliding valve, and the oil spraying opening faces the working interval of the rotor; wherein the sliding channel extends in the axial direction of the rotor, the compressor can adjust the oil injection position along with the change of the working interval of the rotor, and then the lubricating and cooling effects on the rotor are guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of refrigeration equipment, and in particular to a compressor and refrigeration equipment. Background Art

[0002] The screw compressor rotor compresses and does work, and sufficient oil is needed for cooling and lubrication during the process of the rotor rotating and compressing the gas. During the compression process of the compressor rotor, under different loads, the rotor working range position is inconsistent, the rotor temperature is also different, and the required oil injection position is also different. At present, the existing compressors have an oil injection port at a fixed position on the shell, and the oil injection position is fixed. It is impossible to adjust the oil injection position as the rotor working range changes, which affects the lubrication and cooling effect. Utility Model Content

[0003] The purpose of the present application is to provide a compressor and a refrigeration device, wherein the compressor can adjust the oil injection position as the working range of the rotor changes, thereby ensuring the lubrication and cooling effect on the rotor.

[0004] To this end, in the first aspect, an embodiment of the present application provides a compressor, comprising: a shell, the shell having a compression chamber and a sliding channel connected to the compression chamber; a rotor, rotatably disposed in the compression chamber, for compressing air entering the compression chamber; and a sliding valve, slidably disposed in the sliding channel, the sliding valve having a cavity disposed inside, the cavity being connected to an external oil supply system, and an oil injection port connected to the cavity being disposed on one side of the compression chamber facing the sliding valve, the oil injection port facing the working range of the rotor; wherein the sliding channel is extended along the axial direction of the rotor.

[0005] In a possible implementation, the slide valve and the housing enclose a compression chamber, and the area where the rotor is located inside the slide valve is a working area.

[0006] In one possible implementation, an abutment portion is provided at one end of the sliding valve along the sliding direction, and the abutment portion is used to abut against the shell. When the abutment portion abuts against the shell, the compressor is in a full-load condition. When the abutment portion is separated from the shell, the compressor is in a partial-load condition.

[0007] In one possible implementation, the abutment portion of the sliding valve is provided with an opening connected to the cavity, and a guide tube is provided on the shell. The guide tube extends into the cavity from the opening and slides with the cavity. A connecting hole is provided on the guide tube, and the connecting hole is used to connect to the oil injection port so that the cooling oil in the cavity enters the oil injection port through the connecting hole and is sprayed out.

[0008] In a possible implementation, the guide tube and the cavity are interference fit, and a seal is provided between the outer periphery of the guide tube and the inner wall of the cavity.

[0009] In a possible implementation, a plurality of connecting holes are provided, and the plurality of connecting holes respectively correspond to various operating conditions of the compressor; wherein, when the compressor operates in one of the various operating conditions, the corresponding connecting hole is connected to the oil injection port.

[0010] In a possible implementation, a plurality of communication holes are arranged at intervals along the axial direction of the rotor.

[0011] In a possible implementation manner, the communicating hole is a bar-shaped hole extending along the axial direction of the rotor.

[0012] In a possible implementation, the slide valve has an arc surface structure, and a plurality of oil injection ports are provided, and the plurality of oil injection ports are arranged at intervals along the circumference of the slide valve.

[0013] In a second aspect, an embodiment of the present application provides a refrigeration device, comprising the above-mentioned compressor.

[0014] According to the compressor and refrigeration equipment provided in the embodiments of the present application, the compressor sets a cavity on the sliding valve, and the cooling oil of the external oil supply system enters the cavity and is sprayed out through the oil spray port to spray the working range of the rotor. When the sliding valve slides along the sliding channel, the operating condition of the compressor changes simultaneously, so that the cooling oil sprayed from the oil spray port can always face the working range of the rotor, and the oil spray position can be adjusted as the working range of the rotor changes, thereby ensuring the lubrication and cooling effect on the rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0018] Figure 1 A schematic diagram showing the structure of a compressor provided by an embodiment of the present application under partial load conditions;

[0019] Figure 2 Show Figure 1 A local enlarged structural schematic diagram;

[0020] Figure 3 A schematic structural diagram of a compressor provided by an embodiment of the present application under full load conditions is shown;

[0021] Figure 4 A schematic cross-sectional structure diagram of a slide valve and a guide tube provided in an embodiment of the present application is shown;

[0022] Figure 5 A schematic cross-sectional structure diagram of a compressor provided in the prior art is shown.

[0023] Description of reference numerals:

[0024] 1. Shell; 11. Compression chamber; 12. Sliding channel; 13. Guide tube; 131. Communication hole;

[0025] 2. rotor; 21. working interval; 22. non-working interval;

[0026] 3. Sliding valve; 31. Cavity; 32. Oil injection port; 33. Abutment portion; 34. Oil inlet;

[0027] 4. Seals. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] The disclosure below provides many different embodiments or examples to realize the different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0030] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0031] In order to solve the problems in the prior art, the present application provides a compressor and a refrigeration device, wherein the compressor can adjust the oil injection position as the working range of the rotor changes, thereby ensuring the lubrication and cooling effect on the rotor.

[0032] Figure 1 A schematic diagram showing the structure of a compressor provided by an embodiment of the present application under partial load conditions; Figure 2 Show Figure 1 A local enlarged structural schematic diagram; Figure 3 A schematic structural diagram of a compressor provided by an embodiment of the present application under full load conditions is shown; Figure 4 A schematic cross-sectional structure diagram of a slide valve and a guide tube provided in an embodiment of the present application is shown;

[0033] like Figure 1-4 As shown, an embodiment of the present application provides a compressor, including a housing 1, a rotor 2 and a slide valve 3.

[0034] The shell 1 has a compression chamber 11 and a sliding channel 12 communicating with the compression chamber 11 .

[0035] The rotor 2 is rotatably disposed in the compression chamber 11 for compressing the air entering the compression chamber 11 .

[0036] The sliding valve 3 is slidably arranged in the sliding channel 12, and a cavity 31 is arranged inside the sliding valve 3, and the cavity 31 is connected to the external oil supply system. An oil injection port 32 connected to the cavity 31 is arranged on the side of the compression chamber 11 facing the sliding valve 3, and the oil injection port 32 faces the working range 21 of the rotor 2.

[0037] The sliding channel 12 is extended along the axial direction of the rotor 2 .

[0038] Specifically, the compressor in the present application is a screw compressor, in which the slide valve 3 is an important component of the variable capacity screw compressor. The so-called "variable capacity" is to meet the different compression volumes of the compressor according to the different position states of the slide valve 3. The focus of this solution is to meet the adaptive adjustment of the injection position by changing the structure of the slide valve 3. The compressor needs to meet the operating conditions of different working conditions in different scene environments according to the needs, and can meet the operating conditions of different load states according to the different positions of the slide valve 3.

[0039] In the present application, a cavity 31 is provided on the slide valve 3, and cooling oil of the external oil supply system enters the cavity 31 and is sprayed out through the oil spray port 32 to spray the working interval 21 of the rotor 2. When the slide valve 3 slides along the sliding channel 12, the operating condition of the compressor changes as well, so that the cooling oil sprayed out from the oil spray port 32 can always face the working interval 21 of the rotor 2, and the oil spray position can be adjusted as the working interval 21 of the rotor 2 changes, thereby ensuring the lubrication and cooling effect on the rotor 2.

[0040] like Figure 5 As shown, in the related art, the oil injection port 32 of the existing screw compressor is often fixedly set on the housing 1, and the length of the working interval 21 of the rotor 2 is adjusted by sliding the sliding valve 3. The air in the compression chamber 11 is gradually compressed in the working interval 21, and the non-working interval 22 is the intake pressure, and no oil injection is required. The current screw compressor has a fixed oil injection position, and it is impossible to adjust the oil injection position with the change of the working interval 21 of the rotor 2. Although the oil injection effect can be guaranteed when the compressor is running at full load, and the lubrication and cooling effect of the rotor 2 can be guaranteed, when the compressor is running at partial load, the oil injection position remains unchanged, and the actual working interval 21 of the rotor 2 has changed, affecting the lubrication and cooling effect of the rotor 2. Oil injection in the non-working interval 22 will also occupy the intake space, affecting the intake, and thus affecting the energy efficiency of the compressor.

[0041] In the embodiment of the present application, by setting a cavity 31 on the slide valve 3 and setting an oil injection port 32 on the slide valve 3, the oil injection position can move with the slide valve 3, so that the oil injection position is always concentrated in the working interval 21 of the rotor 2. Moreover, the structure is simple, and the effect of adaptively adjusting the oil injection position can be achieved without adding additional compressor parts. The lubrication effect and cooling effect of the compressor during the compression process are improved to a certain extent, and oil injection into the non-working interval 22 of the rotor 2 can be avoided, which will not affect the compressor intake and improve the energy efficiency of the compressor.

[0042] Specifically, the interior of the slide valve 3 can be processed into a closed cavity 31, the oil injection port 32 is connected to the cavity 31, and the tail end of the slide valve 3 (one end of the slide valve 3 along the sliding direction) is provided with an oil inlet 34, and the cavity 31 is connected to the external oil supply system through the oil inlet. The external oil supply system supplies cooling oil into the cavity 31 under the action of oil pressure. Since the oil pressure of the external oil supply system is greater than the pressure in the compression chamber 11, the cooling oil in the cavity 31 is sprayed out through the oil injection port 32 under the action of pressure, and the working area 21 of the rotor 2 in the compression chamber 11 is sprayed with oil.

[0043] In some embodiments, the slide valve 3 and the housing 1 enclose a compression chamber 11 , and the area of ​​the rotor 2 located inside the slide valve 3 is a working area 21 .

[0044] In the present application, the slide valve 3 and the housing 1 enclose a compression chamber 11, and the size of the working interval 21 can be changed by sliding the slide valve 3 along the axial direction of the rotor 2. Specifically, when the slide valve 3 is located at the leftmost end, the entire rotor 2 is located inside the slide valve 3, and the compressor is running at full load at this time, and the entire rotor 2 belongs to the working interval 21; as the slide valve 3 slides to the right, a part of the tooth groove of the rotor 2 is located inside the slide valve 3, and a part of the left end is exposed outside the slide valve 3, wherein the part inside the slide valve 3 is the working interval 21, and the part outside the slide valve 3 is balanced with the intake pressure, and the air in this part is not compressed, and therefore belongs to the non-working interval 22.

[0045] In the embodiment of the present application, no matter how the slide valve 3 slides, the oil injection port 32 can be ensured to inject oil into the working interval 21 of the rotor 2, thereby ensuring the lubrication and cooling effect of the rotor 2 under different working conditions, and oil will not be injected into the non-working interval 22 of the rotor 2, thereby avoiding affecting the intake and reducing the energy efficiency of the compressor.

[0046] like Figure 1 As shown, in some embodiments, an abutment portion 33 is provided at one end of the sliding valve 3 along the sliding direction, and the abutment portion 33 is used to abut the shell 1. When the abutment portion 33 abuts against the shell 1, the compressor is in a full-load condition. When the abutment portion 33 is separated from the shell 1, the compressor is in a partial-load condition.

[0047] In the present application, when the abutment portion 33 of the slide valve 3 abuts against the shell 1, all the tooth grooves of the rotor 2 are located in the compression chamber 11 enclosed by the slide valve 3 and the shell 1, the entire rotor 2 is in the working range 21, and the compressor is in a full-load condition; when the abutment portion 33 of the slide valve 3 is separated from the shell 1, the area between the abutment portion 33 and the shell 1 is connected to the compression chamber 11, the pressure in this area is the same as the intake pressure, and the tooth grooves on the rotor 2 corresponding to this area are located on the outside of the slide valve 3, and the air in this area will not be compressed. Therefore, the part of the rotor 2 corresponding to this area is a non-working area, and the compressor is in a partial load condition.

[0048] Specifically, as long as the abutting portion 33 of the rotor 2 is separated from the housing 1, the compressor is in a partial load condition, but the partial load condition of the compressor includes multiple conditions.

[0049] like Figure 3 As shown, when the compressor is under full load, the oil injection port 32 is located at the center of the working area 21 of the rotor 2, ensuring that each section of the working area 21 has sufficient cooling oil for lubrication and cooling. Figure 1-2 As shown, under partial load conditions, the oil injection port 32 on the slide valve 3 moves to the right, and the oil injection position is mainly concentrated near the exhaust side. The amount of oil in the uncompressed gas interval of the rotor 2 is small, which effectively avoids the situation in which the intake gas volume is reduced due to oil supply to the non-working interval 22 under partial load conditions, thereby improving the energy efficiency of the compressor.

[0050] In some embodiments, the abutment portion 33 of the sliding valve 3 is provided with an opening connected to the cavity 31, and a guide tube 13 is provided on the housing 1. The guide tube 13 extends into the cavity 31 from the opening and slides with the cavity 31. A connecting hole 131 is provided on the guide tube 13. The connecting hole 131 is used to connect to the oil injection port 32 so that the cooling oil in the cavity 31 enters the oil injection port 32 through the connecting hole 131 and is sprayed out.

[0051] In the present application, the guide tube 13 is fixedly connected to the housing 1, and the guide tube 13 can be integrally formed with the housing 1. The guide tube 13 extends into the cavity 31 through the opening, and slides with the cavity 31, thereby further guiding the slide valve 3 to ensure the sliding stability of the slide valve 3. The cooling oil in the cavity 31 of the slide valve 3 enters the oil injection port 32 through the connecting hole 131, and then is sprayed out through the oil injection port 32 to realize the oil injection to the working area 21 of the rotor 2.

[0052] Specifically, the size of the opening is equal to the inner diameter of the cavity 31 , thereby ensuring the guiding effect of the guide tube 13 on the slide valve 3 .

[0053] The guide tube 13 in the present application can be a round tube, and the cavity 31 of the sliding valve 3 has a cylindrical cavity 31; of course, the guide tube 13 can also be other shapes, such as an arc structure or a strip structure, and the cross-section of the cavity 31 of the sliding valve 3 adopts a shape that is compatible with the shape of the guide tube 13.

[0054] like Figure 3 As shown, in some embodiments, the guide tube 13 and the cavity 31 are interference fit, and a seal 4 is provided between the outer periphery of the guide tube 13 and the inner wall of the cavity 31 .

[0055] In the present application, the guide tube 13 is interference fit with the cavity 31, and the guide tube 13 and the cavity 31 are sealed by the seal 4 between the guide tube 13 and the cavity 31, so that the cooling oil in the cavity 31 can only enter the oil injection port 32 through the connecting hole 131, avoiding leakage from other places into the compression chamber 11, thereby ensuring the accuracy of the oil injection position.

[0056] Specifically, the seal 4 may be a mechanical seal, or a seal may be used to fill and seal the space between the guide tube 13 and the cavity 31 , so that the cavity 31 can only communicate with the oil injection port 32 through the communication hole 131 .

[0057] In some embodiments, the length of the guide tube 13 is equal to the length of the cavity 31. When the abutting portion 33 of the slide valve 3 abuts against the housing 1, that is, when the compressor is in full load condition, the right end of the guide tube 13 fits against the right inner wall of the cavity 31. When the abutting portion 33 of the slide valve 3 is separated from the housing 1 and the slide valve 3 slides rightward to the extreme position, the guide tube 13 is still located in the cavity 31.

[0058] like Figure 2 As shown, in one embodiment, a plurality of connecting holes 131 are provided, and the plurality of connecting holes 131 respectively correspond to various working conditions of the compressor; wherein, when the compressor operates in one of the various working conditions, the corresponding connecting hole 131 is connected to the oil injection port 32 .

[0059] In the present application, the connecting hole 131 is arranged in multiple numbers, and the multiple connecting holes 131 correspond to multiple working conditions of the compressor respectively. The position of the slide valve 3 is controlled by the solenoid valve of the external oil supply system. Specifically, an oil cylinder body is arranged at the right end of the housing 1, and the oil cylinder body is filled with oil. A piston is arranged at the right end of the slide valve 3, and the piston is slidably arranged in the oil cylinder body. The oil amount in the oil cylinder body is controlled by the solenoid valve to push the slide valve 3 to move. The position of the slide valve 3 can be controlled by the solenoid valve so that the compressor is accurately kept in one working condition. When the compressor is in one working condition, there must be a connecting hole 131 connected to the oil injection port 32, and the cooling oil in the cavity 31 is connected to the oil injection port 32 through this connecting hole 131. When the slide valve 3 slides and the compressor switches to the next working condition, the next connecting hole 131 is connected to the oil injection port 32. Thereby, the load of the compressor is adjusted in stages to adjust the oil injection position of the rotor 2.

[0060] Furthermore, a plurality of communication holes 131 are arranged at intervals along the axial direction of the rotor 2 .

[0061] In the present application, the plurality of connecting holes 131 may be arranged at equal intervals or at unequal intervals, which may be specifically set according to the oil injection position. Specifically, the opening position of the connecting hole 131 is selected according to the stop position of the slide valve 3 when the compressor is in multiple working conditions, so as to ensure that the cooling oil in the cavity 31 can be guided to the oil injection port 32 when the compressor is running under a certain load condition.

[0062] Specifically, when the compressor switches between different working conditions, there is a situation where the connecting hole 131 is not connected to the oil injection port 32. Since the switching time is very short, it will not affect the oil injection effect.

[0063] like Figure 4 As shown, in another embodiment, the communicating hole 131 is a bar-shaped hole extending along the axial direction of the rotor 2 .

[0064] In the present application, in the case where the operating condition of the compressor can be continuously adjusted, the connecting hole 131 is selected to be set as a strip hole, and the strip hole is extended along the axial direction of the rotor 2. Not only can the injection position be adjusted with the compressor operating condition, but also the compressor operating condition can be continuously adjusted. At the same time, in the gap of the compressor operating condition switching, oil injection can also be carried out normally, further improving the cooling and lubrication effect on the rotor 2.

[0065] In some embodiments, the sliding valve 3 is a curved surface structure, and a plurality of oil injection ports 32 are provided. The plurality of oil injection ports 32 are arranged at intervals along the circumference of the sliding valve 3 .

[0066] In the present application, the slide valve 3 is an arc surface structure with a better enveloping effect. The inner arc surface of the slide valve 3 and the inner arc surface of the compression chamber 11 in the housing 1 smoothly transition to ensure the integrity of the compression chamber 11, thereby ensuring the compression effect of the rotor 2 on the gas during rotation. By setting multiple oil injection ports 32, multiple oil injection ports 32 are circumferentially arranged in the slide valve 3, that is, multiple oil injection ports 32 can simultaneously spray oil to the working area 21 of the rotor 2. Of course, when the oil injection ports 32 are set to multiple, each oil injection port 32 has a connecting hole 131 connected to it, ensuring that the cooling oil in the cavity 31 can be guided to the oil injection port 32.

[0067] The compressor is provided with a cavity 31 on the slide valve 3, and the cooling oil of the external oil supply system enters the cavity 31 and is sprayed out through the oil injection port 32 to spray the working interval 21 of the rotor 2. When the slide valve 3 slides along the sliding channel 12, the operating condition of the compressor changes, so that the cooling oil sprayed from the oil injection port 32 can always face the working interval 21 of the rotor 2, and the oil injection position can be adjusted as the working interval 21 of the rotor 2 changes, thereby ensuring the lubrication and cooling effect on the rotor 2.

[0068] An embodiment of the present application provides a refrigeration device, including the above-mentioned compressor.

[0069] In the present application, the refrigeration equipment may be an air conditioner, a refrigerator, a freezer, etc. By adopting the compressor in the present application, the oil injection position can be adjusted with the change of the working interval 21 of the rotor 2, thereby ensuring the lubrication and cooling effect of the rotor 2. Moreover, the oil injection position is always toward the working interval 21 of the rotor 2, and oil will not be injected into the non-working interval 22 when the compressor is in a partial load condition, thereby avoiding the situation where the cooling oil squeezes the intake air and ensuring the energy efficiency of the compressor.

[0070] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0071] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0072] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A compressor, characterized in that: include: A shell (1), wherein the shell (1) has a compression chamber (11) and a sliding channel (12) communicating with the compression chamber (11); A rotor (2) rotatably disposed in the compression chamber (11) and used for compressing air entering the compression chamber (11); as well as a slide valve (3) slidably disposed in the slide channel (12); a cavity (31) is disposed inside the slide valve (3); the cavity (31) is connected to an external oil supply system; an oil injection port (32) connected to the cavity (31) is disposed on one side of the compression chamber (11) toward which the slide valve (3) faces; the oil injection port (32) faces the working area (21) of the rotor (2); Wherein, the sliding channel (12) is arranged to extend along the axial direction of the rotor (2).

2. The compressor according to claim 1, characterized in that The slide valve (3) and the housing (1) enclose the compression chamber (11), and the area where the rotor (2) is located inside the slide valve (3) is a working area (21).

3. The compressor according to claim 1, characterized in that An abutment portion (33) is provided at one end of the slide valve (3) along the sliding direction, and the abutment portion (33) is used to abut against the shell (1). When the abutment portion (33) abuts against the shell (1), the compressor is in a full-load condition; when the abutment portion (33) is separated from the shell (1), the compressor is in a partial-load condition.

4. The compressor according to claim 3, characterized in that The abutting portion (33) of the slide valve (3) is provided with an opening communicating with the cavity (31); the housing (1) is provided with a guide tube (13); the guide tube (13) extends from the opening into the cavity (31) and is slidably matched with the cavity (31); the guide tube (13) is provided with a connecting hole (131); the connecting hole (131) is used to communicate with the oil injection port (32), so that the cooling oil in the cavity (31) enters the oil injection port (32) through the connecting hole (131) and is sprayed out.

5. The compressor according to claim 4, characterized in that The guide tube (13) and the cavity (31) are interference fit, and a sealing member (4) is provided between the outer periphery of the guide tube (13) and the inner wall of the cavity (31).

6. The compressor according to claim 4, characterized in that A plurality of the communicating holes (131) are provided, and the plurality of communicating holes (131) respectively correspond to a plurality of working conditions of the compressor; When the compressor operates in one of the multiple operating conditions, the corresponding connecting hole (131) is connected to the oil injection port (32).

7. The compressor according to claim 6, characterized in that The plurality of communicating holes (131) are arranged at intervals along the axial direction of the rotor (2).

8. The compressor according to claim 4, characterized in that The communicating hole (131) is a strip-shaped hole extending in the axial direction of the rotor (2).

9. The compressor according to claim 1, characterized in that The slide valve (3) is of an arc surface structure, and a plurality of the oil injection ports (32) are provided. The plurality of the oil injection ports (32) are arranged at intervals along the circumference of the slide valve (3).

10. A refrigeration device, characterized in that: Comprising a compressor as described in any one of claims 1-9.

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