Refrigerating or heating system applied to multifunctional all-in-one device for air conditioning system

Abstract

The utility model discloses a refrigerating or heating system applied to a multifunctional all-in-one device for an air conditioning system, which comprises a compressor, a plate heat exchanger, a four-way valve, an outdoor heat exchanger and the multifunctional all-in-one device, an outlet of the compressor is communicated with a first valve port of the four-way valve, and an inlet of the compressor is communicated with the multifunctional all-in-one device. The multifunctional integrated device is communicated with a second valve port of the four-way valve, one end of the outdoor heat exchanger is communicated with a third valve port of the four-way valve, the other end of the outdoor heat exchanger is communicated with a valve bank, the valve bank is respectively communicated with the multifunctional integrated device and one end of the plate heat exchanger, and the other end of the plate heat exchanger is communicated with a fourth valve port of the four-way valve. The multifunctional all-in-one device is arranged in an existing air conditioning system, the liquid storage function and the gas-liquid separation function are integrated through the multifunctional all-in-one device, connecting pipelines and valves are omitted, the space occupation ratio is reduced, meanwhile, heat exchange of refrigerants in the liquid storage space and the gas-liquid separation space can be achieved, and the heat exchange efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning system technical field, concretely relates to a refrigeration or heating system for multifunctional integrated device applied to air conditioning system. BACKGROUND

[0002] A system for treating the temperature, humidity, cleanliness and air velocity of indoor air by artificial methods. It can make certain places obtain air with certain temperature, humidity and air quality to meet the requirements of users and production processes and improve labor hygiene and indoor climate conditions.

[0003] At present, the gas-liquid separator in the air conditioning system is installed at the inlet and outlet of the gas compressor for gas-liquid separation, and can also be used for gas dust removal, oil-water separation and liquid impurity removal and other industrial and civil application occasions. The function of the gas-liquid separator in the refrigeration system is to separate the liquid refrigerant that has not been evaporated from the evaporator, to prevent the liquid refrigerant from entering the compressor and damaging the compressor. The function of the liquid storage device is to store the condensed liquid refrigerant, serving as a buffer.

[0004] In the prior art air conditioning system, the gas-liquid separation unit and the liquid storage unit are separately arranged and connected through connecting pipelines and valve components, which occupies a large space, and the gas-liquid separation unit and the liquid storage unit independently operate in the refrigeration system, thereby affecting the heat exchange efficiency. Therefore, it is urgent to improve. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above technical problems in the prior art, and provides a refrigeration or heating system for multifunctional integrated device applied to air conditioning system. The multifunctional integrated device is arranged in the existing air conditioning system, the multifunctional integrated device integrates the liquid storage and gas-liquid separation functions, the arrangement of the connecting pipelines and valve components is saved, thereby reducing the space occupation ratio, and the heat exchange of the refrigerant in the liquid storage space and the gas-liquid separation space can be realized, and the heat exchange efficiency is increased.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of refrigeration or heating system applied to multifunctional integrator of air conditioning system, including compressor, plate heat exchanger, four-way valve and outdoor heat exchanger, further include multifunctional integrator, compressor outlet and valve port one in four-way valve are communicated, compressor import and multifunctional integrator are communicated, multifunctional integrator and valve port two of four-way valve are communicated, one end of outdoor heat exchanger and valve port three of four-way valve are communicated, another end of outdoor heat exchanger is communicated with valve group, valve group is respectively communicated with multifunctional integrator and one end of plate heat exchanger, another end of plate heat exchanger and valve port four of four-way valve are communicated.The utility model is provided with multifunctional integrator in existing air conditioning system, and multifunctional integrator integrates liquid storage and gas-liquid separation function, saves the setting of connecting pipeline and valve, to reduce the space ratio, and also can realize the heat exchange of refrigerant in liquid storage space and gas-liquid separation space, increase heat exchange efficiency.

[0008] Further, the plate heat exchanger is connected with a water pump, the liquid inlet end of the water pump is communicated with an expansion tank and a safety valve, and a differential pressure switch is connected between the liquid outlet end of the water pump and the plate heat exchanger.

[0009] Further, the multifunctional integrator comprises:

[0010] The gas-liquid separation unit comprises an inner shell, a U-shaped pipe and an elbow pipe, the inner shell encloses a gas-liquid separation space, the elbow pipe is installed on the inner shell and is communicated with the gas-liquid separation space, the elbow pipe is communicated with the valve port two, and 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, and the air outlet extends out of the gas-liquid separation space and is connected with the compressor inlet.

[0011] The liquid storage unit is sleeved outside the gas-liquid separation unit to form a liquid storage space with the gas-liquid separation unit, and comprises an outer shell, a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are both arranged on the outer shell and are communicated with the liquid storage space, the first connecting pipe is communicated with the valve group, and the second connecting pipe is communicated with one end of the plate heat exchanger. The U-shaped pipe and the elbow pipe form a separate gas-liquid separation unit, the first connecting pipe and the second connecting pipe form a separate liquid storage unit, and the liquid storage unit is sleeved outside the gas-liquid separation unit, thereby saving the setting of connecting pipeline and valve, reducing the space ratio, and realizing the heat exchange of refrigerant in the liquid storage space and the gas-liquid separation space, and increasing heat exchange efficiency.

[0012] Further, the liquid storage unit is sleeved on the side surface of the gas-liquid separation unit to completely wrap the side surface of the gas-liquid separation unit, or the liquid storage unit is sleeved on the bottom surface of the gas-liquid separation unit to wrap the bottom surface and the side surface of the gas-liquid separation unit, so that the side surface of the gas-liquid separation unit is exposed, and 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 enclose the gas-liquid separation space.

[0013] Further, the upper end cover and the lower end cover are provided with first connecting parts one, the shell body is provided with first connecting parts two at both ends corresponding to the first connecting parts one, the first connecting parts one and the first connecting parts two clamp the both ends of the outer shell body, the shell body is inwardly recessed to form a contraction part one, and the outer shell body and the contraction part one form a liquid storage space.

[0014] Further, the upper end cover and the lower end cover are provided with second connecting parts one, the shell body is provided with second connecting parts two at both ends corresponding to the second connecting parts one, the outer shell body is provided with second connecting parts three at both ends, the second connecting parts one and the second connecting parts two clamp the second connecting parts three, the shell body is inwardly recessed to form a contraction part two, the outer shell body is outwardly protruded to form a flared part one, and the contraction part two and the flared part one form a liquid storage space.

[0015] Further, the upper end cover and the lower end cover are provided with third connecting parts, the outer shell body is inserted into the upper end cover and the lower end cover at both ends and connected with the third connecting parts, a partition plate is arranged between the outer shell body and the shell body, and a liquid storage space is formed between the outer shell body, the shell body and the partition plate.

[0016] Further, the upper end cover and the lower end cover are provided with fourth connecting parts one, the shell body is inserted into the upper end cover and the lower end cover at both ends and connected with the fourth connecting parts one, the outer shell body is provided with fourth connecting parts two at both ends, the outer shell body is sleeved outside the shell body through the fourth connecting parts two, the outer shell body is outwardly protruded to form a flared part two, and the flared part two and the shell body form a liquid storage space.

[0017] Further, the upper end cover is provided with fifth connecting parts one, the shell body comprises a surrounding part and a bare leakage part, the surrounding part, the bare leakage part and the lower end cover are integrally formed, the shell body is inserted into the upper end cover through the bare leakage part and connected with the fifth connecting parts one, the outer shell body is provided with fifth connecting parts two, the fifth connecting parts two are connected with the shell body, the outer shell body is in a U shape, the U-shaped outer shell body is sleeved on the lower end cover and the surrounding part, and the outer shell body, the lower end cover and the surrounding part surround to form a liquid storage space.

[0018] Further, the utility model further comprises a support seat for supporting the multifunctional integrated device, rubber plugs are arranged in the elbow pipe and the U-shaped pipe, the U-shaped pipe is provided with an oil return hole and an equalizing hole, and a filter screen assembly is arranged in the oil return hole.

[0019] The utility model discloses a following beneficial effect is obtained by adopting the above technical scheme:

[0020] The utility model discloses a following beneficial effect is obtained by adopting the above technical scheme:

[0021] The utility model discloses a gas -liquid separation unit includes inner casing, U type pipe and elbow, and the inner casing is enclosed and forms gas -liquid separation space, and the elbow is installed on the inner casing, and the elbow is communicated with gas -liquid separation space, and the U type pipe is installed in the gas -liquid separation space, and one end of U type pipe is equipped with the air inlet, and the air inlet is located in the gas -liquid separation space, and the other end of U type pipe is equipped with the air outlet, and the air outlet stretches out gas -liquid separation space, and the liquid storage unit is set in the gas -liquid separation unit outside and forms the liquid storage space with the gas -liquid separation unit, and the liquid storage unit includes outer casing, connector no. 1 and connector no. 2, and connector no. 1 and connector no. 2 are all set on the outer casing and are communicated with the liquid storage space, and the separate gas -liquid separation unit is formed through U type pipe and elbow, and the separate liquid storage unit is formed through connector no. 1 and connector no. 2, and the liquid storage unit is set in the gas -liquid separation unit outside, saves the setting of connecting pipeline and valve piece, thereby reduce the space ratio, can also realize the heat exchange of the refrigerant in the liquid storage space and gas -liquid separation space simultaneously, increase the heat exchange efficiency.

[0022] In the utility model, the low temperature two-phase refrigerant flows into the gas-liquid separation space through the elbow, the high temperature liquid refrigerant flows into the liquid storage space through the connector no. 1, 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, so that the high temperature liquid refrigerant and the low temperature two-phase refrigerant realize heat exchange, thereby separating the low temperature two-phase refrigerant into gas and liquid, the gas flows into the U type pipe through the air outlet, and the combination design of the liquid storage unit and the gas-liquid separation unit enables the utility model to have the functions of gas-liquid separation, liquid storage and heat exchange simultaneously, increases the rate of gas-liquid separation, and thereby increases the heat exchange efficiency.

[0023] In the utility model, the refrigerant flows in the refrigeration process of the air conditioning system as follows: compressor→four-way valve→outdoor heat exchanger→one-way valve group→multifunctional integrator (connector no. 1 in and connector no. 2 out)→plate heat exchanger→four-way valve→multifunctional integrator (elbow in and air pipe out)→compressor. The refrigerant flows in the heating process of the air conditioning system as follows: compressor→four-way valve→plate heat exchanger→multifunctional integrator (connector no. 2 in and connector no. 1 out)→one-way valve group→outdoor heat exchanger→four-way valve→gas-liquid separator (elbow in and air pipe out)→compressor. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model will be further described below with reference to the drawings:

[0025] Figure 1 It is the structural schematic diagram of the refrigeration or heating system of the multifunctional integrator applied to the air conditioning system of the utility model;

[0026] Figure 2 It is the structural schematic diagram of the multifunctional integrator in the embodiment one of the utility model;

[0027] Figure 3 It is the structural schematic diagram of the multifunctional integrator applied to the air conditioning system of the utility model Figure 2 It is the partial enlarged view of A place in the utility model

[0028] Figure 4 It is a structure schematic view of the multifunctional integrated device in the second embodiment of the utility model;

[0029] Figure 5 It is the utility model Figure 4 The partial enlarged view of B;

[0030] Figure 6 It is a structure schematic view of the multifunctional integrated device in the third embodiment of the utility model;

[0031] Figure 7 It is the utility model Figure 6 The partial enlarged view of C;

[0032] Figure 8 It is a structure schematic view of the multifunctional integrated device in the fourth embodiment of the utility model;

[0033] Figure 9 It is the utility model Figure 8 The partial enlarged view of D;

[0034] Figure 10 It is a structure schematic view of the multifunctional integrated device in the fifth embodiment of the utility model;

[0035] Figure 11 It is a structure schematic view of the multifunctional integrated device in the sixth embodiment of the utility model;

[0036] In the drawing, 1-gas-liquid separation unit;2-liquid storage unit;3-inner shell;4-U-shaped tube;5-Elbow;6-gas-liquid separation space;7-gas inlet;8-gas outlet;9-liquid storage space;10-outer shell;11-connection pipe one;12-connection pipe two;13-upper end cover;14-cylinder;15-lower end cover;16-first connecting part one;17-first connecting part two;18-contracting part one;19-second connecting part one;20-second connecting part two;21-second connecting part three;22-contracting part two;23-flared part one;24-third connecting part;25-baffle;26-fourth connecting part one;27-fourth connecting part two;28-flared part two;29-fifth connecting part one;30-enclosing part;31-bare leakage part;32-fifth connecting part two;33-supporting seat;34-rubber plug;35-filter screen assembly;36-oil return hole;37-pressure equalizing hole;37-compressor;38-plate heat exchanger;39-four-way valve;40-outdoor heat exchanger;41-multifunctional integrated device;42-valve port one;43-valve port two;44-valve port three;45-valve group;46-valve port four;47-water pump;48-expansion tank;49-safety valve;50-pressure differential switch. DETAILED DESCRIPTION

[0037] Embodiment one:

[0038] As Figures 1 to 3 shown, a refrigeration or heating system applied to a multifunctional integrated device for air conditioning system, comprising a compressor 37, a plate heat exchanger 38, a four-way valve 39 and an outdoor heat exchanger 40, further comprising a multifunctional integrated device 41, the outlet of the compressor 37 is communicated with a valve port one 42 in the four-way valve 39, the inlet of the compressor 37 is communicated with the multifunctional integrated device 41, the multifunctional integrated device 41 is communicated with a valve port two 43 in the four-way valve 39, one end of the outdoor heat exchanger 40 is communicated with a valve port three 44 in the four-way valve 39, the other end of the outdoor heat exchanger 40 is communicated with a valve group 45, the valve group 45 is respectively communicated with the multifunctional integrated device 41 and one end of the plate heat exchanger 38, the other end of the plate heat exchanger 38 is communicated with a valve port four 46 in the four-way valve 39. The plate heat exchanger 38 is connected with a water pump 47, the liquid inlet end of the water pump 47 is communicated with an expansion tank 48 and a safety valve 49, and the liquid outlet end of the water pump 47 is connected with the plate heat exchanger 38 through a differential pressure switch 50.

[0039] The multifunctional integrated device 41 comprises a gas-liquid separation unit 1, a liquid storage unit 2 and a support seat 33, the liquid storage unit 2 is installed on the support seat 33, the liquid storage unit 2 is sleeved outside 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 surface of the gas-liquid separation unit 1, fully wrapping the side surface 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, wrapping the bottom surface and part of the side surface of the gas-liquid separation unit 1, so that the other part of the side surface of the gas-liquid separation unit 1 is exposed outside.

[0040] The gas-liquid separation unit 1 comprises an inner shell 3, a U-shaped pipe 4 and a bend pipe 5, the inner shell 3 comprises 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 enclose a gas-liquid separation space 6, the bend pipe 5 is installed on the inner shell 3, the bend pipe 5 communicates with the gas-liquid separation space 6, the bend pipe 5 communicates with a valve port two 43, the U-shaped pipe 4 is installed in the gas-liquid separation space 6, one end of the U-shaped pipe 4 is provided with an air inlet 7, the air inlet 7 is located in the gas-liquid separation space 6, the other end of the U-shaped pipe 4 is provided with an air outlet 8, the air outlet 8 extends out of the gas-liquid separation space 6 and communicates with the compressor 37 inlet, a rubber plug 34 is installed in the end of the bend pipe 5 extending out of the gas-liquid separation space 6 and the air outlet 8 of the U-shaped pipe 4, nitrogen is filled in the gas-liquid separation space 6 when the device is shipped, the gas-liquid separation space 6 can be closed through the setting of the rubber plug 34, and the protection effect is achieved, the U-shaped pipe 4 is provided with an oil return hole 36 and an equalizing hole 37, the setting of the oil return hole 36 can ensure that the separated return flow reaches the compressor 37 as much as possible, and can ensure that the refrigerant oil can return to the compressor 37 as much as possible, the oil return hole 36 is provided with a filter screen assembly 35, and the filter screen assembly can block the sundries, and the setting of the equalizing hole 37 can prevent the liquid stored in the gas-liquid separation space 6 from being sucked into the U-shaped pipe 4 and the compressor 37 through the oil return hole 36 during the stop of the compressor 37.

[0041] The liquid storage unit 2 comprises an outer shell 10, a connecting pipe one 11 and a connecting pipe two 12, the connecting pipe one 11 and the connecting pipe two 12 are arranged on the outer shell 10 and communicate with a liquid storage space 9, the connecting pipe one 11 is located at the upper portion of the outer shell 10, the connecting pipe two 12 is located at the lower portion of the outer shell 10, the liquid is conveniently fed into the upper portion and discharged from the lower portion, the connecting pipe one 11 communicates with a valve group 45, and the connecting pipe two 12 communicates with one end of a plate heat exchanger 38.

[0042] The utility model discloses a separate gas-liquid separation unit 1 is formed through U-shaped pipe 4 and bend pipe 5, a separate liquid storage unit 2 is formed through connecting pipe one 11 and connecting pipe two 12, and the liquid storage unit 2 is sleeved outside the gas-liquid separation unit 1, saves the setting of connecting pipeline and valve, thereby reduce the space ratio, can also realize the heat exchange of refrigerant in liquid storage space 9 and gas-liquid separation space 6, and increase the heat exchange efficiency.

[0043] In the embodiment, the upper end cover 13 and the lower end cover 15 are provided with a first connecting part one 16, the both ends of the shell body 14 are provided with a first connecting part two 17 corresponding to the first connecting part one 16, the first connecting part one 16 and the first connecting part two 17 clamp the both ends of the outer shell 10, the first connecting part one 16, the first connecting part two 17 and the both ends of the outer shell 10 are welded and fixed, so that the welding and fixing between the liquid storage unit 2 and the gas-liquid separation unit 1 are realized, the shell body 14 is inwardly recessed to form a contraction part one 18, and the outer shell 10 and the contraction part one 18 form the liquid storage space 9.

[0044] The low-temperature two-phase refrigerant flows into the gas-liquid separation space 6 through the bend pipe 5, the high-temperature liquid refrigerant flows into the liquid storage space 9 through the connecting 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 to realize heat exchange between the high-temperature liquid refrigerant and the low-temperature two-phase refrigerant, so that the low-temperature two-phase refrigerant is gas-liquid separated, the gas enters the U-shaped pipe 4 through the gas inlet 7 and flows out through the gas outlet 8, and the combination design of the liquid storage unit 2 and the gas-liquid separation unit 1 enables the utility model to simultaneously have the functions of gas-liquid separation, liquid storage and heat exchange, increases the gas-liquid separation rate, and thus increases the heat exchange efficiency.

[0045] In use, the bend pipe 5 is connected with the evaporator, one end of the gas outlet 8 of the U-shaped pipe 4 is connected with the compressor 37, the connecting pipe 11 is connected with the condenser, the low-temperature two-phase refrigerant generated by the evaporator enters the gas-liquid separation space 6 through the bend pipe 5, the high-temperature liquid refrigerant is input into the liquid storage space 9 through the connecting pipe 11, the liquid storage space 9 is sleeved outside the gas-liquid separation space 6, the high-temperature liquid refrigerant exchanges heat with the low-temperature two-phase refrigerant, so that the low-temperature two-phase refrigerant is heated to be gas-liquid separated, the separated gas enters the compressor 37 through the U-shaped pipe 4, the existing gas-liquid separator and the liquid accumulator are effectively combined, production cost is saved, labor and materials are saved, space is saved, and the heat exchange efficiency can be increased.

[0046] In the utility model, 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 is 1.5-6mm, and the material is silicon steel or stainless steel, when the connecting pipe 11 and the connecting pipe 12 are connected with the outer shell 10, the transition can be realized through the joint, or the hole or the flange hole can be punched on the outer shell 10, the connecting pipe 11 and the connecting pipe 12 are welded on the hole of the outer shell 10, and the layout of the connecting pipe 11 and the connecting pipe 12 can be arranged at any angle, and the height can be horizontally arranged or arranged in the way of entering from the top and discharging from the bottom.

[0047] Example two

[0048] As Figures 4 to 5As 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 connection part 19, and the two ends of the shell body 14 are provided with a second connection part 20 corresponding to the second connection part 19, and the two ends of the outer shell 10 are provided with a second connection part 3 21, the second connection part 19 and the second connection part 20 clamp the second connection part 3 21, and the second connection part 19, the second connection part 20 and the second connection part 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 inward to form a contraction part 22, and the outer shell 10 protrudes outward to form a flared part 1 23, and the contraction part 22 and the flared part 1 23 form a liquid storage space 9. Through the design of the contraction part 22 and the flared part 1 23, the volume of the liquid storage space 9 is increased, thereby increasing the heat exchange efficiency.

[0049] Example 3

[0050] like Figures 6 to 7 As shown, based on the structure of embodiment one, embodiment three makes another design for the 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 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 from the liquid storage space 9.

[0051] Example 4

[0052] like Figures 8 to 9 As shown, based on the structure of embodiment one, embodiment four 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 connecting portion 1 26, the two 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 connecting portion 1 26, and the two ends of the outer shell 10 are provided with a fourth connecting portion 27, the outer shell 10 is sleeved on the outside of the shell body 14 through the fourth connecting portion 27, the outer shell 10 protrudes outward to form a flared portion 28, and the flared portion 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 3, the outer shell 10 is provided with a fourth connecting portion 27, the outer shell 10 is welded to the shell body 14 through the fourth connecting portion 27, and the end of the fourth connecting portion 27 is welded and fixed to the upper end cover 13 and the lower end cover 15. This design facilitates the welding and fixation of the liquid storage unit 2 and the gas-liquid separation unit 1.

[0053] Example 5

[0054] As Figure 10 As shown in Figure 5, based on the structure of example one, example five makes another design for the sleeve of liquid storage unit 2 and gas-liquid separation unit 1, upper end cover 13 is provided with fifth connecting part one 29, shell body 14 includes enclosing part 30 and bare leakage part 31, enclosing part 30, bare leakage part 31 and lower end cover 15 are integrally formed, shell body 14 is inserted into upper end cover 13 through bare leakage part 31 and is welded and fixedly connected with fifth connecting part one 29, outer shell 10 is provided with fifth connecting part two 32, fifth connecting part two 32 is welded and fixedly connected with shell body 14, outer shell 10 is in U shape, U-shaped outer shell 10 is sleeved on lower end cover 15 and enclosing part 30, outer shell 10, lower end cover 15 and enclosing part 30 enclose to form liquid storage space 9, since low-temperature two-phase refrigerant enters gas-liquid separation space 6 at the bottom of gas-liquid separation space 6, through this design, high-temperature refrigerant in liquid storage space 9 can better heat low-temperature two-phase refrigerant in gas-liquid separation space 6, and heat exchange efficiency is increased.

[0055] Example six

[0056] As Figure 11 shown in Figure 6, based on the structure of example five, example six makes another design for connecting pipe two 12, in this embodiment, connecting pipe one 11 is installed at the top of the side of outer shell 10, but connecting pipe two 12 is installed at the bottom of outer shell 10, so that refrigerant can better flow out.

[0057] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is covered by the protection scope of the present application.

Claims

1. A cooling or heating system for an air conditioning system using a multifunctional all-in-one device, comprising a compressor, a plate heat exchanger, a four-way valve, and an outdoor heat exchanger, characterized in that: Also include a multifunctional integrator, the compressor outlet and the valve port of the four-way valve one-way communication, the compressor import and the multifunctional integrator communication, the multifunctional integrator and the valve port of the four-way valve two-way communication, the outdoor heat exchanger one end and the valve port three of the four-way valve phase communication, the outdoor heat exchanger other end is communicated with valve group, the valve group is respectively linked with the multifunctional integrator and plate heat exchanger one end communication, the plate heat exchanger other end and the valve port four of the four-way valve phase communication.

2. A refrigeration or heating system applied to a multifunctional integrated device for an air conditioning system according to claim 1, characterized in that: The plate heat exchanger is connected with water pump, the water pump inlet end is communicated with expansion tank and safety valve, the water pump outlet end and the plate heat exchanger between connection has differential pressure switch.

3. The system as claimed in claim 1, wherein the system is a multi-functional integrated refrigeration or heating system for an air conditioning system. The multifunctional integrator includes: Gas-liquid separation unit, the gas-liquid separation unit includes inner shell, U-shaped pipe and elbow, the inner shell is enclosed to form gas-liquid separation space, the elbow is installed on the inner shell, the elbow is communicated with the gas-liquid separation space, the elbow is communicated with the valve port two, the U-shaped pipe is installed in the gas-liquid separation space, one end of the U-shaped pipe is provided with inlet, the inlet is located in the gas-liquid separation space, the other end of the U-shaped pipe is provided with outlet, the outlet extends out of the gas-liquid separation space and is connected with the compressor import; Liquid storage unit, the liquid storage unit is sleeved on the outside of the gas-liquid separation unit and forms a liquid storage space with the gas-liquid separation unit, the liquid storage unit includes an outer shell, a connecting pipe one and a connecting pipe two, the connecting pipe one and the connecting pipe two are both provided on the outer shell and communicated with the liquid storage space, the connecting pipe one is communicated with the valve group, and the connecting pipe two is communicated with one end of the plate heat exchanger.

4. A refrigeration or heating system applied to a multifunctional integrated device for an air conditioning system according to claim 3, characterized in that: The liquid storage unit is sleeved on the side of the gas-liquid separation unit to fully wrap the side of the gas-liquid separation unit, or the liquid storage unit is sleeved on the bottom surface of the gas-liquid separation unit to wrap the bottom surface and the side of the gas-liquid separation unit, so that the side of the gas-liquid separation unit is exposed, and the inner shell includes an upper end cover, a shell body and a lower end cover, which enclose the gas-liquid separation space.

5. The refrigeration or heating system applied to the multifunctional integrated device of the air conditioning system according to claim 4, characterized in that: The upper end cover and the lower end cover are provided with a first connecting part one, both ends of the shell body are provided with a first connecting part two corresponding to the first connecting part one, the first connecting part one and the first connecting part two clamp both ends of the outer shell, the shell body is inwardly recessed to form a contraction part one, and the outer shell and the contraction part one form the liquid storage space.

6. The refrigeration or heating system applied to the multifunctional integrated device of the air conditioning system according to claim 4, characterized in that: The upper end cover and the lower end cover are provided with a second connecting part one, both ends of the shell body are provided with a second connecting part two corresponding to the second connecting part one, both ends of the outer shell are provided with a second connecting part three, the second connecting part one and the second connecting part two clamp the second connecting part three, the shell body is inwardly recessed to form a contraction part two, the outer shell is outwardly protruded to form an expanding part one, and the contraction part two and the expanding part one form the liquid storage space.

7. The system as claimed in claim 4, wherein the system is a multi-functional integrated refrigeration or heating system for an air conditioning system. The upper end cover and the lower end cover are provided with third connecting parts, the outer shell is inserted into the upper end cover and the lower end cover at both ends and connected with the third connecting parts, a partition is arranged 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.

8. The refrigeration or heating system applied to the multifunctional integrated device of the air conditioning system according to claim 4, characterized in that: The upper end cover and the lower end cover are provided with fourth connecting parts one, the shell body is inserted into the upper end cover and the lower end cover at both ends and connected with the fourth connecting parts one, the outer shell is provided with fourth connecting parts two at both ends, the outer shell is sleeved outside the shell body through the fourth connecting parts two, the outer shell outwardly protrudes to form flared parts two, the flared parts two form the liquid storage space with the shell body.

9. The refrigeration or heating system applied to the multifunctional integrated device of the air conditioning system according to claim 4, characterized in that: The upper end cover is provided with fifth connecting parts one, the shell body comprises a surrounding part and a bare leakage part, the surrounding part, the bare leakage part and the lower end cover are integrally formed, the shell body is inserted into the upper end cover through the bare leakage part and connected with the fifth connecting parts one, the outer shell is provided with fifth connecting parts two, the fifth connecting parts two are connected with the shell body, the outer shell is in a U shape, the U-shaped outer shell is sleeved on the lower end cover and the surrounding part, and the outer shell, the lower end cover and the surrounding part surround to form the liquid storage space.

10. The refrigeration or heating system applied to the multifunctional integrated device of the air conditioning system according to claim 3, characterized in that: Further comprising a support seat for supporting the multifunctional integrated device, rubber plugs are installed in the elbow pipe and the U-shaped pipe, the U-shaped pipe is provided with an oil return hole and an equalizing hole, and a filter screen assembly is installed in the oil return hole.

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