Multifunction compressor cylinder

Abstract

The utility model relates to a kind of multifunctional compressor cylinder, one end of cylinder is connected with the motor end cover of compressor, the other end of cylinder is connected with the cylinder end cover of compressor, wherein, the outer wall between the both ends of cylinder has the flow channel mechanism formed by multiple perforated holes or grooves, the side wall of cylinder is concave and forms special-shaped cavity, special-shaped cavity is communicated with flow channel mechanism, the first sealing plate of welding cover is arranged outside special-shaped cavity to make special-shaped cavity form closed container mechanism, wherein, the length of side wall along the axis direction perpendicular to cylinder extends and is adapted to the preset volume of container mechanism.The utility model can form the container mechanism integrated on cylinder by welding the first sealing plate of welding cover formed on one side of cylinder special-shaped cavity, and the volume of container mechanism can be determined according to the depth of special-shaped cavity on cylinder, and the degree of integration is high.

Description

Technical Field

[0001] This utility model relates to a thermal management system, and more particularly to a multifunctional compressor cylinder. Background Technology

[0002] The description in this section provides only background information related to the disclosure of this utility model and does not constitute prior art.

[0003] In existing vehicle thermal management systems, the refrigerant in the evaporator or condenser can be thermally coupled with the coolant. The coolant is then introduced into the corresponding functional components to achieve heat exchange. Therefore, heat exchange with the outside is mainly achieved by relying on the coolant, which can reduce the length of the refrigerant pipeline and has a high level of safety.

[0004] The compressor cylinder generally serves as a structural support and seal. In existing designs, the container mechanism used to buffer the refrigerant is usually installed outside the compressor cylinder, which occupies a certain amount of installation space and affects the overall center of gravity of the compressor.

[0005] It should be noted that the above introduction to the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of this utility model and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background section of this utility model. Utility Model Content

[0006] The purpose of this utility model is to provide a multifunctional compressor cylinder body, which can form a container mechanism integrated on the cylinder body by welding a first sealing plate onto an irregular cavity formed on one side of the cylinder body. The volume of the container mechanism can be determined according to the depth of the irregular cavity on the cylinder body, resulting in a high degree of integration.

[0007] To achieve the above objectives, this utility model discloses a multifunctional compressor cylinder body. One end of the cylinder body is connected to the motor end cover of the compressor, and the other end of the cylinder body is connected to the cylinder end cover of the compressor. The outer wall between the two ends of the cylinder body has a flow channel mechanism formed by multiple through holes or grooves. One side wall of the cylinder body is recessed to form a shaped cavity, which is connected to the flow channel mechanism. A first sealing plate is welded to the outside of the shaped cavity to form a closed container mechanism. The length of the side wall extending along the direction perpendicular to the axis of the cylinder body is adapted to the preset volume of the container mechanism.

[0008] As a further description of the above technical solution, the irregular cavity is provided with a reinforcing rib, one end of which is connected to the bottom surface of the irregular cavity, and the other end of which is welded to the side of the first sealing plate facing the irregular cavity.

[0009] As a further description of the above technical solution, the number of reinforcing ribs is set to multiple, and the multiple reinforcing ribs are spaced apart in the irregular cavity;

[0010] The container mechanism includes a liquid storage tank, and multiple reinforcing ribs together form a container flow channel that matches the liquid storage tank. The container flow channel guides the refrigerant in the liquid storage tank to an opening at the bottom of the container mechanism; or,

[0011] The container structure includes a gas-liquid separator, which includes an oil return hole for communicating the bottom of the container structure with the compressor suction cavity. A plurality of the reinforcing ribs together form a container flow channel that matches the gas-liquid separator, and the container flow channel guides the refrigerant in the gas-liquid separator to an opening at the top of the container structure.

[0012] As a further description of the above technical solution, at least a portion of the outer wall of the cylinder is provided with a welding surface, which is used for brazing connection with at least one component with heat exchange function.

[0013] As a further description of the above technical solution, the welding surface is welded together through a composite layer, solder sheet or solder paste disposed on the component.

[0014] As a further description of the above technical solution, the welding surface is provided around the opening where the flow channel mechanism communicates with the outside of the cylinder body.

[0015] As a further description of the above technical solution, a condenser is welded on the top surface of the cylinder body, and the flow channel mechanism includes a first condensation channel and a second condensation channel for circulating coolant; one end of the first condensation channel is connected to the condenser inlet, and the other end of the first condensation channel is connected to a first condenser external connector; one end of the second condensation channel is connected to the condenser outlet, and the other end of the second condensation channel is connected to a second condenser external connector.

[0016] As a further description of the above technical solution, an evaporator is welded to the top surface of the cylinder body, and the flow channel mechanism includes a first evaporation channel and a second evaporation channel for circulating coolant; one end of the first evaporation channel is connected to the evaporation inlet, and the other end of the first evaporation channel is connected to the first evaporation external connector; one end of the second evaporation channel is connected to the evaporation outlet, and the other end of the second evaporation channel is connected to the second evaporation external connector; wherein, the evaporator is arranged parallel to the top of the cylinder body.

[0017] Based on the above technical solution, the beneficial effects of this utility model are as follows:

[0018] This utility model discloses a multifunctional compressor cylinder body. A first sealing plate is welded onto a shaped cavity formed on one side of the cylinder body to form an integrated container mechanism. The volume of the container mechanism can be determined according to the depth of the shaped cavity on the cylinder body, resulting in a high degree of integration. The shaped cavity is formed directly during the cylinder body forming process. The forming depth of the shaped cavity can be flexibly adjusted according to the final required volume of the container mechanism. The shaped cavity is sealed by the integrally welded first sealing plate and connected in series with the thermal management system via a flow channel mechanism. This container mechanism has strong sealing performance and does not occupy external installation space on the cylinder body, demonstrating a high degree of integration.

[0019] To further understand the features and technical content of this utility model, please refer to the following detailed description and drawings of this utility model. However, the drawings provided are for reference and illustration only and are not intended to limit this utility model. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments or prior art of this specification, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the welding surface of a multi-functional compressor cylinder provided in the embodiments of this specification;

[0022] Figure 2-4 This is an exploded view of the thermal management system to which the cylinder of a multi-functional compressor belongs, as provided in the embodiments of this specification.

[0023] Figure 5 This is a three-dimensional schematic diagram of the thermal management system to which the cylinder of a multi-functional compressor belongs, as provided in the embodiments of this specification.

[0024] Figure 6-8This is a schematic diagram of a multi-functional compressor cylinder provided in the embodiments of this specification;

[0025] In the picture:

[0026] 1. Cylinder block; 11. Flow channel mechanism; 111. First flow channel; 112. Second flow channel; 113. Third flow channel; 114. Fourth flow channel; 115. Fifth flow channel; 116. Sixth flow channel; 117. Seventh flow channel; 118. Eighth flow channel; 12. First condensation channel; 13. Second condensation channel; 14. First evaporation channel; 15. Second evaporation channel; 16. Exhaust port; 17. Intake port; 18. Welded surface;

[0027] 2. Condenser; 21. Condenser inlet; 22. Condenser outlet; 23. Condenser inlet; 24. Condenser outlet; 25. First external condenser connector; 26. Second external condenser connector;

[0028] 3. Evaporator; 31. Evaporation inlet; 32. Evaporation outlet; 33. Evaporation inlet; 34. Evaporation outlet; 35. First external evaporation connector; 36. Second external evaporation connector;

[0029] 4. Container structure; 41. Irregularly shaped cavity; 411. Reinforcing rib; 42. First sealing plate; 43. Liquid storage inlet;

[0030] 5. First valve seat; 51. First expansion valve; 52. First switching valve;

[0031] 6. Second valve seat; 61. Second switching valve; 62. Second sealing plate;

[0032] 7. Second expansion valve.

[0033] 8. Motor end cover;

[0034] 9. Cylinder end cap;

[0035] Figure 1 The light gray area represents the composite layer covering the weld surface. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this specification, and not all embodiments. Based on the embodiments in this specification, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this specification.

[0037] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can understand the advantages and effects of this utility model from the content disclosed in this specification. This utility model can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this utility model. Furthermore, the accompanying drawings of this utility model are for simple illustration only and are not depictions of actual dimensions, as stated in advance. The following embodiments will further describe the relevant technical content of this utility model in detail, but the disclosed content is not intended to limit the scope of protection of this utility model.

[0038] It should be understood that while terms such as "first," "second," and "third" may be used in this document to describe various components or signals, these components or signals should not be limited by these terms. These terms are primarily used to distinguish one component from another, or one signal from another. Furthermore, the term "or" as used herein should, as appropriate, include any combination of one or more of the related listed items.

[0039] Please see Figure 1-4 This embodiment describes a multifunctional compressor cylinder. One end of the cylinder 1 is connected to the motor end cover of the compressor, and the other end of the cylinder 1 is connected to the cylinder end cover 9 of the compressor. The outer wall between the two ends of the cylinder 1 has a flow channel mechanism 11 formed by multiple through holes or grooves. One side wall of the cylinder 1 is recessed to form a shaped cavity 41, which is connected to the flow channel mechanism 11. The shaped cavity 41 is covered by a first sealing plate 42 welded to it so that the shaped cavity 41 forms a closed container mechanism 4. The length of the side wall extending along the direction perpendicular to the axis of the cylinder 1 is adapted to the preset volume of the container mechanism 4.

[0040] With the above structure, a container mechanism 4 integrated on the cylinder 1 can be formed by welding a first sealing plate 42 onto the irregular cavity 41 formed on one side of the cylinder 1. The volume of the container mechanism 4 can be determined according to the depth of the irregular cavity 41 on the cylinder 1, resulting in a high degree of integration. The irregular cavity 41 is formed directly during the forming of the cylinder 1. The forming depth of the irregular cavity 41 can be flexibly adjusted according to the final required volume of the container mechanism 4. The irregular cavity 41 is sealed by the integrally welded first sealing plate. It is connected in series with the thermal management system through the flow channel mechanism 11. The container mechanism 4 has strong sealing performance and does not occupy the external installation space of the cylinder 1, resulting in a high degree of integration.

[0041] The larger the preset volume, the greater the depth of the sidewall, and the overall volume of cylinder 1 can be adjusted accordingly.

[0042] Please see Figure 1To facilitate welding of the first sealing plate 42 and provide sufficient strength support for it, reinforcing ribs 411 are provided in the irregular cavity 41. One end of the reinforcing rib 411 is connected to the bottom surface of the irregular cavity 41, and the other end of the reinforcing rib 411 is welded to the side of the first sealing plate 42 facing the irregular cavity 41. Multiple reinforcing ribs 411 are provided, spaced apart within the irregular cavity 41, and each reinforcing rib 411 has an equal thickness. In other words, the end face of the reinforcing rib 411 is directly welded to the first sealing plate 42, providing uniform and stable support for the first sealing plate 42 and resulting in higher structural strength. Furthermore, different arrangements of the reinforcing ribs 411 allow for corresponding flow channel designs within the container mechanism 4. Specifically, when the container mechanism 4 includes a liquid storage tank, the container flow channel guides the outlet of the liquid storage tank to the bottom of the container mechanism 4. When a gas-liquid separator is provided, the container flow channel guides the outlet of the gas-liquid separator to the top of the container mechanism 4. The gas-liquid separator also includes an oil return hole for connecting the bottom of the container mechanism 41 with the compressor suction cavity.

[0043] In another embodiment, at least one element with heat exchange function, such as evaporator 3, is partially covered with a composite layer for brazing, which is used to braze the welding surface 18 on the outside of cylinder 1.

[0044] Further, please see Figure 1 The cylinder body 1 has a corresponding welding surface 18 at the opening where each flow channel mechanism 11 connects to the outside of the cylinder body 1. Each welding surface 18 is used to weld to the corresponding composite layer. The welding surface 18 is arranged around the opening where the flow channel mechanism 11 connects to the outside of the cylinder body 1. Figure 1 The light gray area represents the welding area of ​​welding surface 18. The composite layer should have the largest possible contact area with welding surface 18 to achieve the best welding fixation effect. Of course, the composite layer can be replaced with solder pads or solder paste depending on the requirements of the welding scenario.

[0045] In the above scheme, the functionality of a single cylinder 1 can be enhanced by integrating a flow channel mechanism 11 into the cylinder 1. Brazing connections are made between the welding surfaces and corresponding components, resulting in a cylinder 1 with strong functionality and a small size. Corresponding components such as the condenser 2 and evaporator 3 can be fixed to the cylinder 1 by hot-melt composite layering and welding, and interconnected through the integrated flow channel mechanism 11 of the cylinder 1. This allows some of the original piping functions to be fully integrated into the cylinder 1, resulting in better sealing and enhanced functionality.

[0046] The aforementioned composite layer for brazing is set as 1045 aluminum alloy or 4045 aluminum alloy, which are aluminum-based brazing materials, and the thickness of the material is set between 0.05-0.3mm. When applied to the welding strength support of general cylinder structure, it can achieve a good balance between cost and welding strength.

[0047] In the above structure, the welding surface 18 can at least be able to surround the opening of the corresponding flow channel mechanism 11 in an annular shape and cover the outer periphery of the corresponding opening, so that the opening is completely sealed after welding.

[0048] Based on the above cylinder block 1 structure, the connection can be achieved through the following welding method.

[0049] First, welding materials are fabricated in the form of composite layers, welding sheets, or welding paste on the outer walls of the condenser 2, evaporator 3, first sealing plate 42, and second sealing plate 62 at the welding surfaces 18 of the compressor cylinder 1. Brazing is then performed, involving heating and cooling the welding materials to melt and solidify them, connecting the cylinder 1 to the condenser 2, evaporator 3, first sealing plate 42, and second sealing plate 62, thus completing the connection between the cylinder 1 and these components. Before the step of "heating and cooling the welding materials," the position of the cylinder 1 is adjusted, placing the evaporator 3 and condenser 2 on top of the cylinder 1. This is because the evaporator 3 and condenser 2 have significant mass and volume. Using the compressor cylinder 1 as the load-bearing and stress-bearing foundation, the evaporator 3 and condenser 2 are pre-positioned at the top of the cylinder 1, ensuring greater stability of the overall system during welding. Furthermore, the simultaneous welding of the corresponding components, sealing plates, and cylinder 1 before welding helps to improve the stability of the welding process.

[0050] Based on the integrated welding described above, the welded surface in this embodiment has sealing and fixation, with a leakage rate of <0.2g / y. With the help of integrated piping, the volume of the refrigerant system is significantly reduced, making it particularly suitable for R290 systems.

[0051] The following is an embodiment of the application of the cylinder block 1 in a specific thermal management integrated system.

[0052] The thermal management system includes a compressor, which includes a cylinder body 1, a motor end cover 8, and a cylinder end cover 9. One end of the cylinder body 1 is connected to the motor end cover, and the other end of the cylinder body 1 is connected to the cylinder end cover. The outer wall between the two ends of the cylinder body 1 has a flow channel mechanism 11 formed by multiple through holes or grooves.

[0053] At least one element with heat exchange function is welded to the cylinder 1 and connected to the flow channel mechanism 11.

[0054] Based on the structure of this utility model, the flow channel mechanism 11 can be pre-formed as part of the cylinder body 1 during the production and design stage. Therefore, the original external pipelines of the cylinder body 1 can be set inside the cylinder body 1, thereby improving the system integration. Furthermore, as part of the cylinder body 1, the flow channel mechanism 11 avoids the problem of fluid and gas leakage that needs to be considered in the case of more plugs, and achieves complete sealing of the flow channel.

[0055] In one embodiment, the aforementioned heat exchange component can be configured as a condenser 2 or an evaporator 3, etc. Specifically, during the manufacturing process, due to the design without flying pipes, the condenser 2 or evaporator 3 can be directly welded to the cylinder 1, resulting in extremely high integration and sealing performance.

[0056] In other words, in this application, the corresponding heat exchange components can be directly welded to the compressor cylinder 1 and connected directly through the integrated flow channel of the cylinder 1 itself. This facilitates installation, reduces size, and improves sealing. During the production stage, most of the piping used for circulating refrigerant or coolant is directly integrated into the flow channel mechanism 11 formed by the cylinder 1, making the overall multi-functional compressor cylinder connection method simpler. Furthermore, the corresponding components can be directly connected to the pipe interface by welding, resulting in significantly higher sealing performance than plug-in connections and improved overall system safety.

[0057] In one embodiment, one of the heat exchange components can be configured as a condenser 2, which is welded to the top surface of the cylinder 1. The flow channel mechanism 11 includes a first condensation channel 12 and a second condensation channel 13 for the flow of coolant. One end of the first condensation channel 12 is connected to the condensate inlet 21, and the other end is connected to the first condensate external connector 25. One end of the second condensation channel 13 is connected to the condensate outlet 22, and the other end is connected to the second condensate external connector 26. Specifically, the first condensation channel 12 can be positioned at the edge of the cylinder 1, forming an L-shaped bend to minimize the flow channel distance and prevent excessive heat variation in the condensate. Simultaneously, the first condensate external connector 25 is positioned facing outwards from the cylinder 1 for easy installation of external piping. The second condensation channel 13 and the second condensate external connector 26 are combined in a similar manner, and are positioned at horizontally spaced ends, which can be adjusted according to the rectangular structure of the condenser 2.

[0058] Similarly, one of the heat exchange components is set as an evaporator 3, which is welded to the top surface of the cylinder 1. The flow channel mechanism 11 includes a first evaporation channel 14 and a second evaporation channel 15 for circulating coolant. One end of the first evaporation channel 14 is connected to the evaporation inlet 31, and the other end of the first evaporation channel 14 is connected to the first evaporation external connector 35. One end of the second evaporation channel 15 is connected to the evaporation outlet 32, and the other end of the second evaporation channel 15 is connected to the second evaporation external connector 36. The evaporators 3 are arranged in parallel on the top of the cylinder 1. That is, in this embodiment, the two rectangular structures of the evaporators 3, which are similar in size and weight, are arranged in parallel above the cylinder 1 and are designed to cover the top of the cylinder 1 as much as possible along the projection plane. This design can make full use of the cylinder 1 for load-bearing and the layout is more stable and compact. It is worth noting that the first evaporator external connector 35 and the second evaporator external connector 36 mentioned above are also located on the same side of the cylinder 1. However, considering that the layout positions of the evaporation inlet 33 and the evaporation outlet 34 of the evaporator 3 itself are different, the gap can be flexibly adjusted. The distance between the first evaporator external connector 35 and the second evaporator external connector 36 in this application is closer than that between the first condenser external connector 25 and the second condenser external connector 26.

[0059] Considering that the actual condenser 2 or evaporator 3 is provided by the corresponding supplier, and there may be requirements regarding its installation direction, in another embodiment, it is not limited to mounting components such as the condenser 2 or evaporator 3 on the top surface of the cylinder block 1. Figure 8 In the illustrated embodiment, the condenser 2 can be mounted on the top surface of the cylinder block 1, while the evaporator 3 is mounted on the side wall of the cylinder block 1 opposite to the condenser 2. In this embodiment, the flow channel mechanism 11 is matched to the position of the evaporator 3.

[0060] Furthermore, the multi-functional compressor cylinder also includes a first valve seat 5, a first expansion valve 51, and a first switching valve 52. The first valve seat 5 is welded to the side wall of the first sealing plate 42 facing away from the cylinder body 1. The first expansion valve 51 and the first switching valve 52 are mounted on the first valve seat 5, and the first expansion valve 51 and the first switching valve 52 pass through the first sealing plate 42 and the first irregular cavity 41 and are connected to the flow channel mechanism 11. The first valve seat 5 serves as an adapter for mounting the first expansion valve 51 and the first switching valve 52, and plays a role in fixing the first expansion valve 51 and the first switching valve 52. The interior of the first valve seat 5 is equipped with corresponding flow channels for connecting the first expansion valve 51 and the first switching valve 52 to the flow channel mechanism 11. The first sealing plate 42 is also provided with corresponding through holes to avoid the flow channels.

[0061] Similarly, the multi-functional compressor cylinder also includes a second sealing plate 62, a second valve seat 6, and a second switching valve 61. The second sealing plate 62 is welded to the side wall of the cylinder 1 opposite to the first sealing plate 42. The second valve seat 6 is welded to the side wall of the second sealing plate 62 opposite to the cylinder 1. The second switching valve 61 is mounted on the second valve seat 6 and passes through the second sealing plate 62 and is connected to the flow channel mechanism 11. The multi-functional compressor cylinder also includes a second expansion valve 7, which is mounted on one side wall of the cylinder 1 and connected to the flow channel mechanism 11. The second switching valve 61 is mounted on the other end of the cylinder 1 opposite to the first expansion valve 51 and the first switching valve 52 via the second valve seat 6. The second expansion valve 7 is also mounted on the other end of the cylinder 1 opposite to the first expansion valve 51 and the first switching valve 52, thus making full use of the outer space of the cylinder 1. Thus, the cylinder body 1 is equipped with corresponding compressor components such as motor end cover 8 and cylinder end cover 9 at both ends. Corresponding components or devices are present on the top and left and right sides of the cylinder body 1, and the overall multi-functional compressor cylinder body has a high degree of integration.

[0062] Based on the above structure and corresponding components and devices, the flow channel mechanism 11 connects them in series according to a specified flow direction, enabling the refrigerant and coolant to flow along the preset flow channels. Specifically, the flow channel mechanism 11 includes a first flow channel 111, a second flow channel 112, a third flow channel 113, a fourth flow channel 114, a fifth flow channel 115, a sixth flow channel 116, a seventh flow channel 117, and an eighth flow channel 118 for the flow of refrigerant. The compressor's exhaust port 16 is connected to the condenser inlet 23 of the condenser 2 via the first flow channel 111; the condenser outlet 24 of the condenser 2 is connected to the liquid storage inlet 43 of the container mechanism 4 via the second flow channel 112; and the liquid storage outlet of the container mechanism 4 is connected to... The liquid outlet of the container mechanism 4 is connected to the first expansion valve 51 through the third flow channel 113; the liquid outlet of the container mechanism 4 is connected to the first switching valve 52 through the fourth flow channel 114; the first switching valve 52 is connected to the second expansion valve 7 through the fifth flow channel 115; the second expansion valve 7 is connected to the evaporation inlet 33 of the evaporator 3 through the sixth flow channel 116; the evaporation outlet 34 of the evaporator 3 is connected to the suction port 17 of the compressor through the seventh flow channel 117; and the second switching valve 61 is connected to the suction port 17 of the compressor through the eighth flow channel 118.

[0063] In one embodiment, with the aforementioned flow channel system connected in series, the compressor's exhaust port 16 can output high-temperature, high-pressure refrigerant to the condenser 2. The condenser 2 thermally couples the refrigerant and coolant, and outputs coolant for heat exchange. The condenser 2 then outputs the refrigerant to the container mechanism 4. The container mechanism 4 primarily buffers the high-pressure refrigerant and separates the gas and liquid. The container mechanism 4 can then output the refrigerant to the first expansion valve 51 for throttling and output it externally. Alternatively, the container mechanism 4 can output the refrigerant to the open first switching valve 52. After passing through the first switching valve 52, the refrigerant can be transported to the second expansion valve 7. The second expansion valve 7 can throttle the refrigerant and output low-temperature, low-pressure refrigerant to the evaporator 3. The condenser 2 thermally couples the refrigerant and coolant, and outputs coolant for heat exchange. The condenser 2 can then output the refrigerant to the compressor's suction port 17, completing one internal refrigerant cycle. The container mechanism 4 can function as a liquid storage tank or a gas-liquid separator, and can be arranged according to different functional requirements. Meanwhile, when the container mechanism 4 includes a gas-liquid separator, the bottom of the gas-liquid separator includes an oil return hole that communicates with the inner cavity of the cylinder.

[0064] In the above-mentioned interconnection structure, in addition to the internal circulation, the first expansion valve 51 throttles the corresponding received refrigerant and guides it to the outdoor heat exchanger in the vehicle front compartment for heat exchange. The outdoor heat exchanger in the vehicle front compartment then introduces the refrigerant from the second switching valve 61 into the cylinder of the multi-functional compressor in this embodiment. For example, the second switching valve 61 can input the refrigerant input from the external system through the eighth flow channel 118 into the compressor's suction port 17.

[0065] Of course, in addition to the above-mentioned flow channel mechanism 11, the number and position of the flow channels can be adjusted or increased or decreased according to the actual pipeline layout needs and the addition of corresponding components.

[0066] The above-disclosed content is only a preferred and feasible embodiment of the present utility model, and is not intended to limit the scope of the patent application of the present utility model. Therefore, all equivalent technical changes made using the contents of the present utility model specification and drawings are included in the scope of the patent application of the present utility model.

[0067] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0068] Although this application has been described by way of examples, those skilled in the art will know that this application has many modifications and variations without departing from the spirit of this application, and it is intended that the appended embodiments include these modifications and variations without departing from this application.

Claims

1. A multi-functional compressor cylinder, one end of which is connected to a motor end cover of the compressor, the other end of which is connected to a cylinder end cover of the compressor, characterized in that, The outer wall between the two ends of the cylinder has a flow channel mechanism formed by multiple through holes or grooves. One side wall of the cylinder is recessed to form an irregular cavity. The irregular cavity is connected to the flow channel mechanism. A first sealing plate is welded to the outside of the irregular cavity to form a closed container mechanism. The length of the side wall extending along the axis perpendicular to the cylinder is adapted to the preset volume of the container mechanism.

2. The multi-functional compressor cylinder according to claim 1, characterized by: The irregular cavity is provided with reinforcing ribs. One end of the reinforcing ribs is connected to the bottom surface of the irregular cavity, and the other end of the reinforcing ribs is welded to the side of the first sealing plate facing the irregular cavity.

3. The multi-functional compressor cylinder according to claim 2, characterized by: The number of reinforcing ribs is set to multiple, and the multiple reinforcing ribs are spaced apart in the irregular cavity; The container mechanism includes a liquid storage tank, and multiple reinforcing ribs together form a container flow channel that matches the liquid storage tank. The container flow channel guides the refrigerant in the liquid storage tank to an opening at the bottom of the container mechanism; or, The container structure includes a gas-liquid separator, which includes an oil return hole for communicating the bottom of the container structure with the compressor suction cavity. A plurality of the reinforcing ribs together form a container flow channel that matches the gas-liquid separator, and the container flow channel guides the refrigerant in the gas-liquid separator to an opening at the top of the container structure.

4. The multi-functional compressor cylinder according to claim 1, characterized by: At least a portion of the outer wall of the cylinder is provided with a welding surface, which is used for brazing connection with at least one element having a heat exchange function.

5. The multi-functional compressor cylinder according to claim 4, characterized by: The welding surfaces are welded together through a composite layer, solder pads, or solder paste disposed on the component.

6. The multi-functional compressor cylinder according to claim 5, characterized by: The welding surface is provided around the opening where the flow channel mechanism connects to the outside of the cylinder body.

7. The multi-functional compressor cylinder according to claim 4, characterized by: A condenser is welded to the top surface of the cylinder body. The flow channel mechanism includes a first condensation channel and a second condensation channel for circulating coolant. One end of the first condensation channel is connected to the condenser inlet, and the other end of the first condensation channel is connected to a first external condenser connector. One end of the second condensation channel is connected to the condenser outlet, and the other end of the second condensation channel is connected to a second external condenser connector.

8. The multi-functional compressor cylinder according to claim 7, characterized by: An evaporator is welded to the top surface of the cylinder body. The flow channel mechanism includes a first evaporation channel and a second evaporation channel for circulating coolant. One end of the first evaporation channel is connected to the evaporation inlet, and the other end of the first evaporation channel is connected to the first evaporation external connector. One end of the second evaporation channel is connected to the evaporation outlet, and the other end of the second evaporation channel is connected to the second evaporation external connector. The evaporator is arranged parallel to the top of the cylinder body.

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