Multifunctional all-in-one device for air conditioning system and production process of multifunctional all-in-one device

Abstract

A gas-liquid separation unit comprises an inner shell, a U-shaped pipe and a bent pipe, a gas-liquid separation space is defined by the inner shell, the bent pipe is arranged on the inner shell and communicates with the gas-liquid separation space, the U-shaped pipe is arranged in the gas-liquid separation space, the U-shaped pipe is provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are communicated with each other. The gas inlet is located in the gas-liquid separation space, the gas outlet extends out of the gas-liquid separation space, the gas-liquid separation unit is sleeved with the liquid storage unit, the liquid storage unit and the gas-liquid separation unit form a liquid storage space, the liquid storage unit comprises an outer shell, a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are arranged on the outer shell and communicated with the liquid storage space. The U-shaped pipe and the bent pipe form an independent gas-liquid separation unit, the liquid inlet pipe and the liquid outlet pipe form an independent liquid storage unit, and the gas-liquid separation unit is sleeved with the liquid storage unit, so that connecting pipelines and valves are omitted, the space occupation ratio is reduced, heat exchange of refrigerants in the liquid storage space and the gas-liquid separation space can be achieved, and the refrigeration efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of gas-liquid separation, and in particular relates to a multifunctional all-in-one device for an air-conditioning system and a production process thereof. Background Art

[0002] The gas-liquid separator is installed at the inlet and outlet of the gas compressor for gas-liquid separation. It can also be used in various industrial and civil applications such as gas dust removal, oil-water separation and liquid impurity removal. The role of the gas-liquid separator in the refrigeration system is to separate the liquid refrigerant that has not evaporated completely from the evaporator to prevent the liquid refrigerant from entering the compressor and damaging the compressor. The role of the liquid receiver is to store the condensed liquid Freon and play a buffering role.

[0003] In the prior art refrigeration system, the gas-liquid separation unit and the liquid storage unit are separately arranged and connected through connecting pipes and valves, which takes up a large space. In addition, the gas-liquid separation unit and the liquid storage unit occupy certain resources in the refrigeration system and operate independently, thereby affecting the refrigeration efficiency. Therefore, improvement is urgently needed. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned technical problems existing in the prior art, and to provide a multifunctional all-in-one device for an air-conditioning system and a production process thereof, in which a separate gas-liquid separation unit is formed by a U-shaped tube and a bent tube, a separate liquid storage unit is formed by a liquid inlet pipe and a liquid outlet pipe, and the liquid storage unit is sleeved outside the gas-liquid separation unit, thereby saving the setting of connecting pipes and valves, thereby reducing the space occupied, and at the same time, it can also realize the heat exchange of refrigerant in the liquid storage space and the gas-liquid separation space, thereby increasing the refrigeration efficiency.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A multifunctional all-in-one device for an air conditioning system, characterized in that: it comprises a gas-liquid separation unit, the gas-liquid separation unit comprises an inner shell, a U-shaped pipe and a bent pipe, the inner shell encloses a gas-liquid separation space, the bent pipe is installed on the inner shell, the bent pipe is connected with the gas-liquid separation space, the U-shaped pipe is installed in the gas-liquid separation space, one end of the U-shaped pipe is provided with an air inlet, the air inlet is located in the gas-liquid separation space, the other end of the U-shaped pipe is provided with an air outlet, the air outlet extends out of the gas-liquid separation space;

[0007] The liquid storage unit is sleeved on the outside of the gas-liquid separation unit to form a liquid storage space with the gas-liquid separation unit. The liquid storage unit includes an outer shell, a liquid inlet pipe and a liquid outlet pipe. The liquid inlet pipe and the liquid outlet pipe are both arranged on the outer shell and connected to the liquid storage space.

[0008] A separate gas-liquid separation unit is formed by a U-shaped tube and a bent tube, a separate liquid storage unit is formed by a liquid inlet pipe and a liquid outlet pipe, and the liquid storage unit is mounted outside the gas-liquid separation unit, thereby saving the setting of connecting pipes and valves, thereby reducing the space occupied, and at the same time, it can also realize heat exchange between the refrigerant in the liquid storage space and the gas-liquid separation space, thereby increasing the refrigeration efficiency.

[0009] Furthermore, the liquid storage unit is sleeved on the side of the gas-liquid separation unit to completely wrap the side of the gas-liquid separation unit, or the liquid storage unit is sleeved on the bottom of the gas-liquid separation unit to wrap the bottom and side of the gas-liquid separation unit, so that the side of the gas-liquid separation unit is exposed.

[0010] Furthermore, the inner shell includes an upper end cover, a shell body and a lower end cover, and the upper end cover, the shell body and the lower end cover together form a gas-liquid separation space.

[0011] Furthermore, the upper end cover and the lower end cover are provided with a first connection part 1, and the two ends of the shell body are provided with a first connection part 2 corresponding to the first connection part 1. The first connection part 1 and the first connection part 2 clamp the two ends of the outer shell body, and the shell body is recessed inward to form a contraction part 1, and the outer shell body and the contraction part 1 form a liquid storage space.

[0012] Furthermore, the upper end cover and the lower end cover are provided with a second connection part 1, and the two ends of the shell body are provided with a second connection part 2 corresponding to the second connection part 1, and the two ends of the outer shell body are provided with a second connection part 3, the second connection part 1 and the second connection part 2 clamp the second connection part 3, the shell body is concave inward to form a contraction part 2, and the outer shell body is convex outward to form a flaring part 1, and the contraction part 2 and the flaring part 1 form a liquid storage space.

[0013] Furthermore, the upper end cover and the lower end cover are provided with a third connecting part, the two ends of the outer shell are inserted into the upper end cover and the lower end cover and connected to the third connecting part, a partition is provided between the outer shell and the shell body, and a liquid storage space is formed between the outer shell, the shell body and the partition.

[0014] Furthermore, the upper end cover and the lower end cover are provided with a fourth connecting part 1, the two ends of the shell body are inserted into the upper end cover and the lower end cover and connected to the fourth connecting part 1, the two ends of the outer shell body are provided with a fourth connecting part 2, the outer shell body is sleeved outside the shell body through the fourth connecting part 2, the outer shell body protrudes outward to form a flared part 2, and the flared part 2 and the shell body form a liquid storage space.

[0015] Furthermore, the upper end cover is provided with a fifth connecting part 1, the shell body includes an enclosing part and an exposed part, the enclosing part, the exposed part and the lower end cover are integrally formed, the shell body is inserted into the upper end cover through the exposed part and is connected to the fifth connecting part 1, the outer shell body is provided with a fifth connecting part 2, the fifth connecting part 2 is connected to the shell body, the outer shell body is U-shaped, the U-shaped outer shell body is sleeved on the lower end cover and the enclosing part, and the outer shell body, the lower end cover and the enclosing part are enclosed to form a liquid storage space.

[0016] Furthermore, it also includes a support seat, which is used to support the liquid storage unit and the gas-liquid separation unit. Rubber plugs are installed in the curved pipe and the U-shaped pipe. The U-shaped pipe is provided with an oil return hole and a pressure equalizing hole. A filter assembly is installed in the oil return hole.

[0017] A production process of a multifunctional integrated device for an air conditioning system, characterized by comprising the following steps:

[0018] Step 1: Manufacturing of gas-liquid separation unit

[0019] (1) First, process the inner shell, U-shaped tube and elbow of corresponding size according to the requirements of the drawings, divide the inner shell into three parts: upper end cover, lower end cover and shell body, and manufacture the filter assembly;

[0020] (2) Then select the upper end cover of the inner shell, determine the installation position of the U-shaped tube and the elbow on the top surface of the upper end cover according to the setting of the drawing, and open a hole of corresponding size at the installation position;

[0021] (3) Then determine the positions of the pressure equalizing hole and the oil return hole on the U-shaped tube according to the design of the drawing, drill the pressure equalizing hole and the oil return hole at the corresponding positions, and install the filter assembly in the oil return hole;

[0022] (4) Finally, according to the size of the inner shell and the size of the hole in the upper end cover, select a U-shaped tube and an elbow of corresponding size, and weld the U-shaped tube and the elbow in the hole or connect them in the hole through a joint transition;

[0023] Step 2: Fabrication of liquid storage unit

[0024] (1) First, process the outer shell, liquid inlet pipe and liquid outlet pipe of corresponding sizes according to the requirements of the drawings, determine the installation positions of the liquid inlet pipe and liquid outlet pipe on the outer shell according to the design of the drawings, and open holes of corresponding sizes at the corresponding positions;

[0025] a. During the manufacturing process, the outer shell is formed by cutting, punching, turning, necking, cleaning, and drying, or by cutting, stretching, punching, turning, necking, cleaning, and drying;

[0026] b. During manufacturing, the liquid inlet and outlet pipes are cut, expanded, bent, cleaned, and dried to form the final shape;

[0027] (2) Finally, according to the size of the outer shell and the size of the opening, select the liquid inlet pipe and the liquid outlet pipe of the corresponding size, weld the liquid inlet pipe and the liquid outlet pipe in the opening hole or connect them in the opening hole through a joint transition;

[0028] Step 3: Assembly of gas-liquid separation unit and liquid storage unit

[0029] a. First, manufacture a matching support base according to the size and shape of the gas-liquid separation unit or liquid storage unit.

[0030] b. Then weld the outer shell with the liquid inlet and outlet pipes installed to the shell of the inner shell, then install the upper end cover and the lower end cover, weld one end of the outer shell to the upper end cover, and weld the other end to the lower end cover, and finally install it on the support seat to complete the assembly;

[0031] Step 4: Inspection and packaging before storage

[0032] a. First, perform an air tightness test on the assembled multifunctional all-in-one device to check the tightness of the multifunctional all-in-one device to avoid leakage during use;

[0033] b. Then place the multifunctional integrated device that has passed the air tightness test into the automatic spray line for processing, and treat its surface through degreasing, phosphating, drying, spraying, curing and cooling on the automatic spray line;

[0034] c. After spraying, the gas-liquid separation space is vacuumed, and then nitrogen is filled into the gas-liquid separation space for protection. Rubber stoppers are then inserted into the U-shaped tube and the bent tube, and finally the products are packaged and put into storage.

[0035] The present invention has the following beneficial effects due to the adoption of the above technical solution:

[0036] The gas-liquid separation unit in the present invention comprises an inner shell, a U-shaped tube and a bent tube, the inner shell encloses a gas-liquid separation space, the bent tube is installed on the inner shell, the bent tube is connected with the gas-liquid separation space, the U-shaped tube is installed in the gas-liquid separation space, one end of the U-shaped tube is provided with an air inlet, the air inlet is located in the gas-liquid separation space, the other end of the U-shaped tube is provided with an air outlet, the air outlet extends out of the gas-liquid separation space, the liquid storage unit is sleeved on the outside of the gas-liquid separation unit to form a liquid storage space with the gas-liquid separation unit, the liquid storage unit comprises an outer shell, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are both arranged on the outer shell and connected with the liquid storage space, a separate gas-liquid separation unit is formed by the U-shaped tube and the bent tube, a separate liquid storage unit is formed by the liquid inlet pipe and the liquid outlet pipe, and the liquid storage unit is sleeved outside the gas-liquid separation unit, which saves the setting of connecting pipelines and valve components, thereby reducing the space occupation, and also can realize the heat exchange of refrigerant between the liquid storage space and the gas-liquid separation space, thereby increasing the refrigeration efficiency.

[0037] In the present invention, the low-temperature two-phase refrigerant flows into the gas-liquid separation space through the bent pipe, and the high-temperature liquid refrigerant flows into the liquid storage space through the liquid inlet pipe. The low-temperature two-phase refrigerant in the gas-liquid separation space is heated by the high-temperature liquid refrigerant in the liquid storage space to achieve heat exchange between the high-temperature liquid refrigerant and the low-temperature two-phase refrigerant, thereby separating the gas and liquid of the low-temperature two-phase refrigerant. The gas enters the U-shaped tube through the air outlet and flows out through the air outlet. Through the combined design of the liquid storage unit and the gas-liquid separation unit, the present invention can simultaneously have the gas-liquid separation function, the liquid storage function and the heat exchange function, thereby increasing the gas-liquid separation rate and thus increasing the refrigeration efficiency.

[0038] In the present invention, each component is assembled separately by the above method. During manufacturing, each component can be manufactured at the same time. After manufacturing, the components are assembled by welding to increase the overall manufacturing efficiency. The assembled multifunctional all-in-one device has strong strength and increased pressure resistance by welding, thereby extending the service life of the multifunctional all-in-one device. After assembly, it is subjected to air tightness inspection to ensure the product qualification rate and avoid leakage during use. The surface of the multifunctional all-in-one device is degreased, phosphated, sprayed and cured in sequence by an automatic spray line. The degreasing process removes surface impurities to increase the smoothness and flatness of the surface. The phosphating, spraying and curing processes increase the corrosion resistance and oxidation resistance of the surface, improve the overall hardness and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The present invention will be further described below in conjunction with the accompanying drawings:

[0040] Figure 1 It is a structural schematic diagram of a multifunctional all-in-one device for an air conditioning system and a production process thereof in accordance with a first embodiment of the present invention;

[0041] Figure 2 For the present invention Figure 1 A partial enlarged view of the middle A;

[0042] Figure 3 It is a structural schematic diagram of a second embodiment of a multifunctional all-in-one device for an air conditioning system and its production process according to the present invention;

[0043] Figure 4 For the present invention Figure 3 A partial enlarged view of point B in the middle;

[0044] Figure 5 This is a structural schematic diagram of a third embodiment of a multifunctional all-in-one device for an air conditioning system and its production process according to the present invention;

[0045] Figure 6 For the present invention Figure 5 A partial enlarged view of point C in the middle;

[0046] Figure 7 It is a structural schematic diagram of a fourth embodiment of a multifunctional all-in-one device for an air conditioning system and its production process according to the present invention;

[0047] Figure 8 For the present invention Figure 7 A partial enlarged view of point D in the middle;

[0048] Fig. 9 It is a structural schematic diagram of a fifth embodiment of a multifunctional all-in-one device for an air conditioning system and its production process according to the present invention;

[0049] Fig.10 This is a structural schematic diagram of a sixth embodiment of a multifunctional all-in-one device for an air conditioning system and its production process according to the present invention;

[0050] In the figure: 1-gas-liquid separation unit; 2-liquid storage unit; 3-inner shell; 4-U-shaped tube; 5-bend tube; 6-gas-liquid separation space; 7-air inlet; 8-air outlet; 9-liquid storage space; 10-outer shell; 11-liquid inlet pipe; 12-liquid outlet pipe; 13-upper end cover; 14-shell; 15-lower end cover; 16-first connecting part 1; 17-first connecting part 2; 18-contraction part 1; 19-second connecting part 1; 20- The second connecting part 2; 21-the second connecting part 3; 22-the contraction part 2; 23-the flaring part 1; 24-the third connecting part; 25-the partition; 26-the fourth connecting part 1; 27-the fourth connecting part 2; 28-the flaring part 2; 29-the fifth connecting part 1; 30-the enclosed part; 31-the exposed part; 32-the fifth connecting part 2; 33-the supporting seat; 34-the rubber plug; 35-the filter assembly; 36-the oil return hole; 37-the pressure equalizing hole. DETAILED DESCRIPTION

[0051] Embodiment 1

[0052] like Figure 1 to Figure 2 As shown, a multifunctional all-in-one device for an air-conditioning system of the present invention includes a gas-liquid separation unit 1, a liquid storage unit 2 and a support seat 33. In this embodiment, the gas-liquid separation unit 1 is installed on the support seat 33, and the liquid storage unit 2 is sleeved on the outside of the gas-liquid separation unit 1, and a liquid storage space 9 is formed between the liquid storage unit 2 and the gas-liquid separation unit 1. Specifically, when the liquid storage unit 2 is sleeved on the gas-liquid separation unit 1, it can be sleeved on the side of the gas-liquid separation unit 1 to completely wrap the side of the gas-liquid separation unit 1, or the liquid storage unit 2 is sleeved on the bottom surface of the gas-liquid separation unit 1 to wrap the bottom surface and part of the side surface of the gas-liquid separation unit 1, so that the side surface of another part of the gas-liquid separation unit 1 is exposed.

[0053] The gas-liquid separation unit 1 includes an inner shell 3, a U-shaped tube 4 and an elbow 5. The inner shell 3 includes an upper end cover 13, a shell body 14 and a lower end cover 15. The upper end cover 13, the shell body 14 and the lower end cover 15 are connected by welding. The upper end cover 13, the shell body 14 and the lower end cover 15 are surrounded by a gas-liquid separation space 6. The elbow 5 is installed on the inner shell 3, and the elbow 5 is connected to the gas-liquid separation space 6. The U-shaped tube 4 is installed in the gas-liquid separation space 6. An air inlet 7 is provided at one end of the U-shaped tube 4, and the air inlet 7 is located in the gas-liquid separation space 6. An air outlet 8 is provided at the other end of the U-shaped tube 4, and the air outlet 8 extends out of the gas-liquid separation space 6. At one end of the elbow 5 extending out of the gas-liquid separation space 6 and the U A rubber plug 34 is installed in the air outlet 8 of the U-tube 4. Nitrogen is filled into the gas-liquid separation space 6 when the device leaves the factory. The gas-liquid separation space 6 can be sealed by the setting of the rubber plug 34 to play a protective role. An oil return hole 36 and a pressure equalizing hole 37 are provided in the U-tube 4. The setting of the oil return hole 36 can ensure the return of the separated oil to the compressor as much as possible, and can also ensure that the refrigerant oil can return to the compressor as much as possible. A filter assembly 35 is installed in the oil return hole 36 to block impurities. The setting of the pressure equalizing hole 37 can prevent the liquid accumulated in the gas-liquid separation space 6 from being sucked into the U-tube 4 and the compressor through the oil return hole 36 during the shutdown period of the compressor.

[0054] The liquid storage unit 2 includes an outer shell 10, a liquid inlet pipe 11 and a liquid outlet pipe 12. The liquid inlet pipe 11 and the liquid outlet pipe 12 are both arranged on the outer shell 10 and connected to the liquid storage space 9. The liquid inlet pipe 11 is located at the upper part of the outer shell 10, and the liquid outlet pipe 12 is located at the lower part of the outer shell 10, which is convenient for liquid inlet from the upper part and liquid outlet from the lower part.

[0055] The present invention forms a separate gas-liquid separation unit 1 through a U-shaped tube 4 and a curved tube 5, forms a separate liquid storage unit 2 through a liquid inlet pipe 11 and a liquid outlet pipe 12, and the liquid storage unit 2 is sleeved outside the gas-liquid separation unit 1, thereby saving the setting of connecting pipelines and valve components, thereby reducing the space occupied, and at the same time, it can also realize heat exchange between the refrigerant in the liquid storage space 9 and the gas-liquid separation space 6, thereby increasing the refrigeration efficiency.

[0056] In this embodiment, the upper end cover 13 and the lower end cover 15 are provided with a first connection part 16, and the two ends of the shell body 14 are provided with a first connection part 17 corresponding to the first connection part 16. The first connection part 16 and the first connection part 17 clamp the two ends of the outer shell 10. The first connection part 16, the first connection part 17 and the two ends of the outer shell 10 are welded and fixed, thereby realizing the welding fixation between the liquid storage unit 2 and the gas-liquid separation unit 1. The shell body 14 is recessed inward to form a contraction part 18, and the outer shell 10 and the contraction part 18 form a liquid storage space 9.

[0057] In the present invention, the low-temperature two-phase refrigerant flows into the gas-liquid separation space 6 through the bent pipe 5, and the high-temperature liquid refrigerant flows into the liquid storage space 9 through the liquid inlet pipe 11. The low-temperature two-phase refrigerant in the gas-liquid separation space 6 is heated by the high-temperature liquid refrigerant in the liquid storage space 9, so that the high-temperature liquid refrigerant and the low-temperature two-phase refrigerant can achieve heat exchange, thereby separating the gas and liquid of the low-temperature two-phase refrigerant. The gas enters the U-shaped tube 4 through the air inlet 7 and flows out through the air outlet 8. Through the combined design of the liquid storage unit 2 and the gas-liquid separation unit 1, the present invention can simultaneously have the gas-liquid separation function, the liquid storage function and the heat exchange function, thereby increasing the gas-liquid separation rate and thus increasing the refrigeration efficiency.

[0058] When the present invention is in use, it is connected to the evaporator through the bent pipe 5, one end of the air outlet 8 of the U-shaped tube 4 is connected to the compressor, and the liquid inlet pipe 11 is connected to the condenser. The low-temperature two-phase refrigerant generated by the evaporator enters the gas-liquid separation space 6 through the bent pipe 5, and the high-temperature liquid refrigerant is input into the liquid storage space 9 through the liquid inlet pipe 11. Since the liquid storage space 9 is arranged outside the gas-liquid separation space 6, the high-temperature liquid refrigerant and the low-temperature two-phase refrigerant exchange heat, thereby heating the low-temperature two-phase refrigerant to separate it into gas and liquid. The separated gas enters the compressor through the U-shaped tube 4, effectively combining the existing gas-liquid separator and liquid storage device, saving production costs, labor and materials, saving space, and increasing refrigeration efficiency.

[0059] In the present invention, the volume of the liquid storage space 9 is 1-20L, the volume of the gas-liquid separation space 6 is 1-25L, the wall thickness of the liquid storage unit 2 and the gas-liquid separation unit 1 are both 1.5-6mm, and carbon steel or stainless steel is used. The liquid inlet pipe 11 and the liquid outlet pipe 12 can be connected to the outer shell 10 through a joint transition, or by punching or flanging holes on the outer shell 10, and the liquid inlet pipe 11 and the liquid outlet pipe 12 are welded to the holes of the outer shell 10. The layout of the liquid inlet pipe 11 and the liquid outlet pipe 12 can be arranged at any angle, and the height can be horizontal or set in a top-in and bottom-out manner.

[0060] A multifunctional all-in-one device for an air conditioning system and a production process thereof, comprising the following steps:

[0061] Step 1: Manufacturing of gas-liquid separation unit 1

[0062] (1) First, the inner shell 3, U-shaped tube 4 and elbow 5 of corresponding sizes are processed according to the requirements of the drawings, and the inner shell 3 is divided into three parts: the upper end cover 13, the lower end cover 15 and the shell body 14, and the filter assembly 35 is manufactured;

[0063] (2) Then select the upper end cover 13 of the inner shell 3, determine the installation positions of the U-shaped tube 4 and the elbow 5 on the top surface of the upper end cover 13 according to the setting of the drawing, and open holes of corresponding sizes at the installation positions;

[0064] (3) Then, the positions of the pressure equalizing hole 37 and the oil return hole 36 are determined on the U-shaped tube 4 according to the design of the drawing, the pressure equalizing hole 37 and the oil return hole 36 are drilled at the corresponding positions, and the filter assembly 35 is installed in the oil return hole 36;

[0065] (4) Finally, according to the size of the inner shell 3 and the size of the hole in the upper end cover 13, select the U-shaped tube 4 and the elbow 5 of the corresponding size, and weld the U-shaped tube 4 and the elbow 5 in the hole or connect them in the hole through a joint transition;

[0066] Step 2: Manufacturing of liquid storage unit 2

[0067] (1) First, the outer shell 10, the liquid inlet pipe 11 and the liquid outlet pipe 12 of corresponding sizes are processed according to the requirements of the drawings, and the installation positions of the liquid inlet pipe 11 and the liquid outlet pipe 12 are determined on the outer shell 10 according to the design of the drawings, and holes of corresponding sizes are opened at the corresponding positions;

[0068] a. During the manufacturing process, the outer shell 10 is formed by cutting, punching, turning, necking, cleaning, and drying, or by cutting, stretching, punching, turning, necking, cleaning, and drying;

[0069] b. During manufacturing, the liquid inlet pipe 11 and the liquid outlet pipe 12 are cut, expanded, bent, cleaned, and dried to form the final shape;

[0070] (2) Finally, according to the size of the outer shell 10 and the size of the opening, select the liquid inlet pipe 11 and the liquid outlet pipe 12 of corresponding size, and weld the liquid inlet pipe 11 and the liquid outlet pipe 12 to the opening hole or connect them to the opening hole through a joint transition;

[0071] Step 3: Assembly of the gas-liquid separation unit 1 and the liquid storage unit 2

[0072] a. First, a supporting seat 33 is manufactured according to the size and shape of the gas-liquid separation unit 1 or the liquid storage unit 2.

[0073] b. Then weld the outer shell 10 equipped with the liquid inlet pipe 11 and the liquid outlet pipe 12 to the shell body 14 of the inner shell 3, and then install the upper end cover 13 and the lower end cover 15, weld and fix one end of the outer shell 10 to the upper end cover 13, and weld and fix the other end to the lower end cover 15, and finally install it on the support seat 33 to complete the assembly;

[0074] Step 4: Inspection and packaging before storage

[0075] a. First, perform an air tightness test on the assembled multifunctional all-in-one device to check the tightness of the multifunctional all-in-one device to avoid leakage during use;

[0076] b. Then place the multifunctional integrated device that has passed the air tightness test into the automatic spray line for processing, and treat its surface through degreasing, phosphating, drying, spraying, curing and cooling on the automatic spray line;

[0077] c. After spraying, the gas-liquid separation space 6 is evacuated, and then nitrogen is filled into the gas-liquid separation space 6 for protection, and then rubber plugs 34 are inserted into the U-shaped tube 4 and the curved tube 5, and finally packaged and stored.

[0078] In the present invention, each component is assembled separately by the above method. During manufacturing, each component can be manufactured at the same time. After manufacturing, the components are assembled by welding to increase the overall manufacturing efficiency. The assembled multifunctional all-in-one device has strong strength and increased pressure resistance by welding, thereby extending the service life of the multifunctional all-in-one device. After assembly, it is subjected to air tightness inspection to ensure the product qualification rate and avoid leakage during use. The surface of the multifunctional all-in-one device is degreased, phosphated, sprayed and cured in sequence by an automatic spray line. The degreasing process removes surface impurities to increase the smoothness and flatness of the surface. The phosphating, spraying and curing processes increase the corrosion resistance and oxidation resistance of the surface, improve the overall hardness and extend the service life.

[0079] Embodiment 2

[0080] like Figure 3 to Figure 4 As shown, based on the structure of embodiment one, embodiment two makes another design for the sleeve arrangement of the liquid storage unit 2 and the gas-liquid separation unit 1, the upper end cover 13 and the lower end cover 15 are provided with a second connecting portion 19, and the two ends of the shell body 14 are provided with a second connecting portion 20 corresponding to the second connecting portion 19, and the two ends of the outer shell body 10 are provided with a second connecting portion 3 21, the second connecting portion 19 and the second connecting portion 20 clamp the second connecting portion 3 21, and the second connecting portion 19, the second connecting portion 20 and the second connecting portion 3 21 are welded and fixed to realize the welding and fixation of the liquid storage unit 2 and the gas-liquid separation unit 1, the shell body 14 is recessed inwardly to form a contraction portion 22, and the outer shell body 10 is protruded outwardly to form a flaring portion 1 23, and the contraction portion 22 and the flaring portion 1 23 form a liquid storage space 9, and the volume of the liquid storage space 9 is increased by the design of the contraction portion 22 and the flaring portion 1 23, thereby increasing the refrigeration efficiency.

[0081] Embodiment 3

[0082] like Figures 5 and 6As shown, based on the structure of embodiment one, embodiment three makes another design for the sleeve of the liquid storage unit 2 and the gas-liquid separation unit 1, the upper end cover 13 and the lower end cover 15 are provided with a third connecting portion 24, both ends of the outer shell 10 are inserted into the upper end cover 13 and the lower end cover 15 and connected to the third connecting portion 24, a partition 25 is provided between the outer shell 10 and the shell body 14, and a liquid storage space 9 is formed between the outer shell 10, the shell body 14 and the partition 25. In this embodiment, the upper end cover 13 and the lower end cover 15 are both welded and fixed to the outer shell 10, the shell body 14 is connected to the outer shell 10 through the partition 25, and the partition 25 can block the gas-liquid separation space 6 and the liquid storage space 9.

[0083] Embodiment 4

[0084] like Figures 7 and 8 As shown, based on the structure of the first embodiment, the fourth embodiment makes another design for the sleeve arrangement of the liquid storage unit 2 and the gas-liquid separation unit 1, the upper end cover 13 and the lower end cover 15 are provided with a fourth connection part 1 26, both ends of the shell body 14 are inserted into the upper end cover 13 and the lower end cover 15 and connected to the fourth connection part 1 26, and both ends of the outer shell body 10 are provided with a fourth connection part 27, the outer shell body 10 is sleeved outside the shell body 14 through the fourth connection part 27, the outer shell body 10 protrudes outward to form a flared part 28, and the flared part 28 and the shell body 14 form a liquid storage space 9. In this embodiment, the upper end cover 13 and the lower end cover 15 are welded and fixed to the shell body 14 of the inner shell body 3, the outer shell body 10 is provided with a fourth connection part 27, the outer shell body 10 is welded to the shell body 14 through the fourth connection part 27, and the end of the fourth connection part 27 is welded and fixed to the upper end cover 13 and the lower end cover 15. This design facilitates the welding and fixing of the liquid storage unit 2 and the gas-liquid separation unit 1.

[0085] Embodiment 5

[0086] like Fig. 9 As shown, based on the structure of the first embodiment, the fifth embodiment makes another design for the sleeve arrangement of the liquid storage unit 2 and the gas-liquid separation unit 1, the upper end cover 13 is provided with a fifth connecting portion 1 29, the shell body 14 includes an enclosing portion 30 and a bare portion 31, the enclosing portion 30, the bare portion 31 and the lower end cover 15 are integrally formed, the shell body 14 is inserted into the upper end cover 13 through the bare portion 31 and is welded and fixedly connected with the fifth connecting portion 1 29, the outer shell 10 is provided with a fifth connecting portion 2 32, and the fifth connecting portion 2 32 is welded and fixedly connected with the shell body 14, the outer shell 10 is U-shaped, and the U-shaped outer shell 10 is sleeved on the lower end cover 15 and the enclosing portion 30, the outer shell 10, the lower end cover 15 and the enclosing portion 30 are enclosed to form a liquid storage space 9, because the low-temperature two-phase refrigerant enters the gas-liquid separation space 6 and is located at the bottom of the gas-liquid separation space 6, through this design, the high-temperature refrigerant in the liquid storage space 9 can better heat the low-temperature two-phase refrigerant in the gas-liquid separation space 6, thereby increasing the refrigeration efficiency.

[0087] In this embodiment, the liquid storage unit 2 is installed on the support seat 33 .

[0088] Embodiment 6

[0089] like Fig.10 As shown, based on the structure of the fifth embodiment, the sixth embodiment makes another design for the liquid outlet pipe 12. In this embodiment, the liquid inlet pipe 11 is installed at the top of the side of the outer shell 10, but the liquid outlet pipe 12 is installed at the bottom of the outer shell 10 to facilitate better outflow of the refrigerant.

[0090] In this embodiment, the liquid storage unit 2 is installed on the support seat 33 .

[0091] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A multifunctional all-in-one device for an air conditioning system, characterized in that: include A gas-liquid separation unit, the gas-liquid separation unit comprising an inner shell, a U-shaped tube and an elbow, the inner shell encloses a gas-liquid separation space, the elbow is mounted on the inner shell, the elbow is communicated with the gas-liquid separation space, the U-shaped tube is mounted in the gas-liquid separation space, one end of the U-shaped tube is provided with an air inlet, the air inlet is located in the gas-liquid separation space, the other end of the U-shaped tube is provided with an air outlet, the air outlet extends out of the gas-liquid separation space; A liquid storage unit is sleeved on the outside of the gas-liquid separation unit to form a liquid storage space with the gas-liquid separation unit. The liquid storage unit includes an outer shell, a liquid inlet pipe and a liquid outlet pipe. The liquid inlet pipe and the liquid outlet pipe are both arranged on the outer shell and communicated with the liquid storage space.

2. The multifunctional all-in-one device for an air conditioning system according to claim 1, characterized in that: The liquid storage unit is sleeved on the side of the gas-liquid separation unit to completely wrap the side of the gas-liquid separation unit, or the liquid storage unit is sleeved on the bottom of the gas-liquid separation unit to wrap the bottom and side of the gas-liquid separation unit, so that the side of the gas-liquid separation unit is exposed.

3. The multifunctional all-in-one device for an air conditioning system according to claim 2, characterized in that: The inner shell comprises an upper end cover, a shell body and a lower end cover, and the upper end cover, the shell body and the lower end cover together form the gas-liquid separation space.

4. The multifunctional all-in-one device for an air conditioning system according to claim 3, characterized in that: The upper end cover and the lower end cover are provided with a first connection part 1, and the two ends of the shell body are provided with a first connection part 2 corresponding to the first connection part 1, the first connection part 1 and the first connection part 2 clamp the two ends of the outer shell body, the shell body is recessed inward to form a contraction part 1, and the outer shell body and the contraction part 1 form the liquid storage space.

5. The multifunctional all-in-one device for an air conditioning system according to claim 3, characterized in that: The upper end cover and the lower end cover are provided with a second connection part 1, and the two ends of the shell body are provided with a second connection part 2 corresponding to the second connection part 1, and the two ends of the outer shell body are provided with a second connection part 3, the second connection part 1 and the second connection part 2 clamp the second connection part 3, the shell body is recessed inwardly to form a contraction part 2, and the outer shell body is protruded outwardly to form a flaring part 1, and the contraction part 2 and the flaring part 1 form the liquid storage space.

6. The multifunctional all-in-one device for an air conditioning system according to claim 3, characterized in that: The upper end cover and the lower end cover are provided with a third connecting portion, both ends of the outer shell are inserted into the upper end cover and the lower end cover and connected to the third connecting portion, a partition is provided between the outer shell and the shell body, and the liquid storage space is formed between the outer shell, the shell body and the partition.

7. The multifunctional all-in-one device for an air conditioning system according to claim 3, characterized in that: The upper end cover and the lower end cover are provided with a fourth connecting part 1, the two ends of the shell body are inserted into the upper end cover and the lower end cover and connected to the fourth connecting part 1, the two ends of the outer shell body are provided with a fourth connecting part 2, the outer shell body is sleeved outside the shell body through the fourth connecting part 2, the outer shell body protrudes outward to form a flared part 2, and the flared part 2 and the shell body form the liquid storage space.

8. The multifunctional all-in-one device for an air conditioning system according to claim 3, characterized in that: The upper end cover is provided with a fifth connecting part 1, the shell body includes an enclosing part and an exposed part, the enclosing part, the exposed part and the lower end cover are integrally formed, the shell body is inserted into the upper end cover through the exposed part and is connected to the fifth connecting part 1, the outer shell body is provided with a fifth connecting part 2, the fifth connecting part 2 is connected to the shell body, the outer shell body is U-shaped, the U-shaped outer shell body is sleeved on the lower end cover and the enclosing part, and the outer shell body, the lower end cover and the enclosing part enclose together to form the liquid storage space.

9. The multifunctional all-in-one device for an air conditioning system according to claim 1, characterized in that: It also includes a support seat, which is used to support the liquid storage unit and the gas-liquid separation unit. Rubber plugs are installed in the bent pipe and the U-shaped pipe. The U-shaped pipe is provided with an oil return hole and a pressure equalizing hole. A filter assembly is installed in the oil return hole.

10. A production process for a multifunctional all-in-one device for an air conditioning system according to any one of claims 1 to 9, characterized in that The following steps are involved: Step 1: Manufacturing of gas-liquid separation unit (1) First, process the inner shell, U-shaped tube and elbow of corresponding size according to the requirements of the drawings, divide the inner shell into three parts: upper end cover, lower end cover and shell body, and manufacture the filter assembly; (2) Then select the upper end cover of the inner shell, determine the installation position of the U-shaped tube and the elbow on the top surface of the upper end cover according to the setting of the drawing, and open a hole of corresponding size at the installation position; (3) Then determine the positions of the pressure equalizing hole and the oil return hole on the U-shaped tube according to the design of the drawing, drill the pressure equalizing hole and the oil return hole at the corresponding positions, and install the filter assembly in the oil return hole; (4) Finally, according to the size of the inner shell and the size of the hole in the upper end cover, select a U-shaped tube and an elbow of corresponding size, and weld the U-shaped tube and the elbow in the hole or connect them in the hole through a joint transition; Step 2: Fabrication of liquid storage unit (1) First, process the outer shell, liquid inlet pipe and liquid outlet pipe of corresponding sizes according to the requirements of the drawings, determine the installation positions of the liquid inlet pipe and liquid outlet pipe on the outer shell according to the design of the drawings, and open holes of corresponding sizes at the corresponding positions; a. During the manufacturing process, the outer shell is formed by cutting, punching, turning, necking, cleaning, and drying, or by cutting, stretching, punching, turning, necking, cleaning, and drying; b. During manufacturing, the liquid inlet and outlet pipes are cut, expanded, bent, cleaned, and dried to form the final shape; (2) Finally, according to the size of the outer shell and the size of the opening, select the liquid inlet pipe and the liquid outlet pipe of the corresponding size, weld the liquid inlet pipe and the liquid outlet pipe in the opening hole or connect them in the opening hole through a joint transition; Step 3: Assembly of gas-liquid separation unit and liquid storage unit a. First, a supporting base matching the size and shape of the gas-liquid separation unit or the liquid storage unit is manufactured; b. Then weld the outer shell with the liquid inlet and outlet pipes installed to the shell of the inner shell, then install the upper end cover and the lower end cover, weld one end of the outer shell to the upper end cover, and weld the other end to the lower end cover, and finally install it on the support seat to complete the assembly; Step 4: Inspection and packaging before storage a. First, perform an air tightness test on the assembled multifunctional all-in-one device to check the tightness of the multifunctional all-in-one device to avoid leakage during use; b. Then place the multifunctional integrated device that has passed the air tightness test into the automatic spray line for processing, and treat its surface through degreasing, phosphating, drying, spraying, curing and cooling on the automatic spray line; c. After spraying, the gas-liquid separation space is vacuumed, and then nitrogen is filled into the gas-liquid separation space for protection. Rubber stoppers are then inserted into the U-shaped tube and the bent tube, and finally the products are packaged and put into storage.

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