CN217952772U - Gas-liquid separator with oil return mechanism - Google Patents
Gas-liquid separator with oil return mechanism Download PDFInfo
- Publication number
- CN217952772U CN217952772U CN202222137684.2U CN202222137684U CN217952772U CN 217952772 U CN217952772 U CN 217952772U CN 202222137684 U CN202222137684 U CN 202222137684U CN 217952772 U CN217952772 U CN 217952772U
- Authority
- CN
- China
- Prior art keywords
- pipe
- oil return
- tank body
- vertical section
- liquid separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 63
- 238000005057 refrigeration Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Images
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to the air conditioning equipment field discloses a take vapour and liquid separator of oil return mechanism. The gas-liquid separator is arranged in the air conditioner and connected with a suction inlet of the compressor, and comprises a tank body, a refrigerant outlet pipe and a refrigerant inlet pipe; the refrigerant outlet pipe and the refrigerant inlet pipe are respectively welded on the tank body, and one side of the bottom of the tank body is provided with an oil return pipe interface; the oil return pipe interface is sequentially connected with an oil return pipe, a filter and a connecting pipe; an oil return pipe main loop interface is arranged on the horizontal section B; the tail end of the connecting pipe is connected with a main loop interface of the oil return pipe; an electromagnetic valve is arranged between the filter and the connecting pipe. The stability and the reliability of the air conditioning system are guaranteed, and the air conditioning system is reasonable in design, compact in structure, convenient to process, simple and practical.
Description
Technical Field
The utility model belongs to the air conditioning equipment field, the utility model relates to a take vapour and liquid separator of oil return mechanism. In particular to a gas-liquid separator with an oil return mechanism, which is suitable for a multi-connected air conditioner.
Background
The compressor is the head of four major elements of the air conditioning system, and whether the compressor can operate efficiently and stably depends on the operation state of the whole set of air conditioning system, the operation energy efficiency of the whole set of air conditioning system and the operation service life of the whole set of air conditioning system. The main factor influencing whether the compressor operates stably, efficiently and in long service life is to prevent the liquid return phenomenon and the oil shortage problem of the compressor, and the main component for solving the two key problems is the gas-liquid separator, so that how to design a reliable gas-liquid separator is the key for ensuring whether the compressor in the system operates stably, efficiently and in long service life. When the traditional air conditioning unit solves the problem, a standard gas-liquid separator is adopted for correspondence, and during oil return, oil return is performed through an oil return hole arranged on an outlet pipe. The gas-liquid separator in the form has the defects that the oil return holes are proper in arrangement position and quantity, otherwise, the oil return effect is greatly influenced, the oil return holes are very small and easy to block, a protective filter cover needs to be additionally arranged, the process is complex, the cost is high, and the oil return speed cannot be controlled, so that the oil return effect of the compressor is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, the utility model discloses a for solve air conditioning system at long piping or higher indoor, when outer quick-witted altitude difference, because the refrigerant filling volume is very big, can lead to the compressor to return liquid or the not enough condition of oil return takes place, and then influences the problem of whole system normal operating, provides a novel vapour and liquid separator who takes oil separator device for this. The utility model provides a vapour and liquid separator has improved vapour and liquid separator's separation effect emphatically and has strengthened the oil return effect, has guaranteed air conditioning system's stability and reliability, reasonable in design, compact structure, and processing is convenient, simple and practical, but the wide application has a lot of advantages that are showing in newly-designed air conditioning system.
The utility model provides a technical scheme that its technical problem adopted is: a gas-liquid separator with an oil return mechanism is arranged in an air conditioner and connected to a suction inlet of a compressor, and comprises a tank body, a refrigerant outlet pipe and a refrigerant inlet pipe; the refrigerant outlet pipe and the refrigerant inlet pipe are respectively welded on the tank body, the refrigerant inlet pipe comprises a vertical section A, a horizontal section A and a vertical section B, and the vertical section A and the horizontal section A are respectively connected through transition sections; the vertical section A is arranged in the tank body and extends upwards to the top of the tank body, the vertical section B is arranged outside the tank body, the horizontal section A penetrates through the side wall of the tank body, and the top of the vertical section B is provided with an inlet of a refrigerant inlet pipe; the refrigerant outlet pipe comprises a vertical section C, a horizontal section B and a vertical section D, and the vertical section C and the horizontal section B are connected through transition sections respectively; the vertical section C is arranged in the tank body, the upper end of the vertical section C extends upwards to the top of the tank body, and the bottom of the vertical section C penetrates through the tank body and then is connected with the horizontal section B; the horizontal section B and the vertical section D are arranged outside the tank body, and the top of the vertical section D is provided with an outlet main pipe of a refrigerant outlet pipe; an oil return pipe interface is arranged on one side of the bottom of the tank body; the oil return pipe interface is sequentially connected with an oil return pipe, a filter and a connecting pipe; an oil return pipe main loop interface is arranged on the horizontal section B; the tail end of the connecting pipe is connected with a main loop interface of the oil return pipe; an electromagnetic valve is arranged between the filter and the connecting pipe.
Further, the bottom of the gas-liquid separator is also provided with a base, and the gas-liquid separator is fixedly connected with the air conditioner bottom plate through the base. The base material is the panel beating.
Further, the tank body is made of a steel plate; the refrigerant outlet pipe and the refrigerant inlet pipe are made of copper pipes or steel pipes. A partition plate is arranged between the refrigerant inlet pipe and the refrigerant outlet pipe which are arranged at the top in the tank body.
Furthermore, the diameter of the oil return pipe can be correspondingly designed and selected according to the capacity of the system and the requirement of the oil return amount. The oil return pipe can be a thin copper pipe with the diameter of 7.94 mm.
The outlet main pipe is used for being connected with a suction inlet of the compressor.
The gas-liquid separator is also connected with a control system, and the control system is a PLC system or a single chip microcomputer. And the PLC system and the single chip microcomputer are not limited to specific models, and the PLC system and the single chip microcomputer are connected with the electromagnetic valve to control the electromagnetic valve to realize a switching function.
And the PLC system or the single chip microcomputer is connected with the electromagnetic valve. The electromagnetic valve is not limited to specific models, and the working function of the electromagnetic valve can be realized.
The volume of the tank body of the gas-liquid separator is designed and matched according to the amount of refrigerant required by the air conditioning system. The refrigerant outlet pipe and the refrigerant inlet pipe can be correspondingly designed and selected according to the system capacity.
The oil return pipe is arranged at the bottom of the tank body, the refrigeration lubricating oil in the gas-liquid separator is recovered, the oil is returned to the outlet main pipe through the electromagnetic valve and the filter, and the refrigeration oil returns to the compressor along with the refrigerant in the main pipe.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model provides a pair of take vapour and liquid separator of oil return mechanism, add a return circuit that is used for the oil return specially on vapour and liquid separator, this return circuit is installed in vapour and liquid separator's bottommost, select for use the diameter to be phi 7.94 thin copper pipe, install the solenoid valve on the return circuit, then on converging the main breathing pipe (export person in charge) of compressor, the on-off time through the solenoid valve, control the speed and the effect of oil recovery in the vapour and liquid separator, and also can adjust the memory space of refrigerant in the vapour and liquid separator, the memory space of refrigerant in the control vapour and liquid separator's that can be quantitative oil return volume and the vapour and liquid separator.
The utility model discloses be different from current vapour and liquid separator, the oil return volume of system and the memory space of refrigerant can carry out quantitative control through control among the vapour and liquid separator, and the tradition scheme is that mechanical can't make any regulation, and a model needs a vapour and liquid separator moreover, and the specificity is strong, the utility model provides a vapour and liquid separator can pass through system control for a vapour and liquid separator can be applicable to multiple air conditioning system's development and use, and the commonality reinforcing promotes by a wide margin the price/performance ratio, and the reliability also strengthens by a wide margin.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a perspective view of the gas-liquid separator with an oil return mechanism of the present invention.
Fig. 2 is a structural view of the oil return part in fig. 1.
Fig. 3 is a schematic diagram.
In the figure, 1, a tank body, 2, a refrigerant outlet pipe, 3, a refrigerant inlet pipe, 4, an oil return pipe, 5, an electromagnetic valve, 6, a filter, 7, a base, 8, an outlet main pipe, 9, an oil return pipe main loop interface, 10, a connecting pipe and 11, an oil return pipe interface are arranged.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
Example 1
A gas-liquid separator with an oil return mechanism, as shown in fig. 1-3, the gas-liquid separator comprises a tank body 1, a refrigerant outlet pipe 2 and a refrigerant inlet pipe 3; the refrigerant outlet pipe 2 and the refrigerant inlet pipe 3 are respectively welded on the tank body 1, the refrigerant inlet pipe 3 comprises a vertical section A, a horizontal section A and a vertical section B, and the vertical section A and the horizontal section A are respectively connected with each other through transition sections; the vertical section A is arranged in the tank body 1 and extends upwards to the top of the tank body 1, the vertical section B is arranged outside the tank body 1, the horizontal section A penetrates through the side wall of the tank body 1, and the top of the vertical section B is provided with an inlet of a refrigerant inlet pipe 3; the refrigerant outlet pipe 2 comprises a vertical section C, a horizontal section B and a vertical section D, and the vertical section C and the horizontal section B are connected through transition sections respectively; the vertical section C is arranged in the tank body 1, the upper end of the vertical section C extends upwards to the top of the tank body 1, and the bottom of the vertical section C penetrates through the tank body 1 and then is connected with the horizontal section B; the horizontal section B and the vertical section D are arranged outside the tank body 1, and the top of the vertical section D is provided with an outlet main pipe 8 of the refrigerant outlet pipe 2; an oil return pipe connector 11 is arranged on one side of the bottom of the tank body 1; the oil return pipe interface 11 is sequentially connected with the oil return pipe 4, the filter 6 and the connecting pipe 10; an oil return pipe main loop interface 9 is arranged on the horizontal section B; the tail end of the connecting pipe 10 is connected with the main loop interface 9 of the oil return pipe; an electromagnetic valve 5 is arranged between the filter 6 and the connecting pipe 10.
Further, the bottom of the gas-liquid separator is also provided with a base 7, and the gas-liquid separator is fixedly connected with the air conditioner bottom plate through the base 7. The base 7 is made of metal plates.
Further, the tank body 1 is made of a steel plate; the refrigerant outlet pipe 2 and the refrigerant inlet pipe 3 are made of copper pipes or steel pipes.
Furthermore, the diameter of the oil return pipe 4 can be correspondingly designed and selected according to the capacity of the system and the requirement of the oil return amount. The oil return pipe 4 can be made of a thin copper pipe with the diameter of 7.94 mm.
The outlet main pipe 8 is used for connecting with a suction inlet of the compressor.
When the air conditioning system is in operation, the refrigerant enters the gas-liquid separator after passing through the evaporator, at this time, the evaporated refrigerant is theoretically in a pure gas state, but actually, because the evaporator is not evaporated completely, the pipeline between the evaporator and the gas-liquid separator is far, and the like, when the refrigerant really reaches the main pipe inlet of the refrigerant inlet pipe 3 of the gas-liquid separator, most of the refrigerant is in a gas-liquid mixed state, the refrigerant in the gas-liquid mixed state also contains refrigeration oil, the refrigerant and the refrigeration oil enter the tank body 1 through the main pipe inlet, at this time, the gas refrigerant, the liquid refrigerant and the refrigeration oil are separated, the gas refrigerant passes through the refrigerant outlet pipe 2 and enters the outlet main pipe 8, the liquid refrigerant and the refrigeration oil sink to the bottom of the tank body 1, at this time, the refrigeration oil is recovered through the oil return pipe 4, sequentially passes through the filter 5, the electromagnetic valve 6 and the connecting pipe 7, and finally is converged into the outlet main pipe 8, and finally returns to the compressor together, and thus the refrigerant mixed with the gas refrigerant, the refrigeration oil and the refrigeration oil returned to the compressor on the premise that liquid compression does not exist in the compressor. The oil return mode of the refrigeration oil is completed through the opening and closing action of the electromagnetic valve 5, the oil return amount and the oil return speed are quantitatively controlled, the actual operation state of the compressor can be better matched, and the demand of the compressor on the refrigeration oil under different loads and different frequencies can be met. And the storage capacity of the refrigerant in the gas-liquid separator can be adjusted through the switching time of the electromagnetic valve 5, and the storage capacity of the refrigerant in the gas-liquid separator can be quantitatively controlled, so that the refrigerant usage of the whole set of refrigerant system is met. This set oil return device and whole vapour and liquid separator integrated design installation, compact structure, the sexual valence relative altitude, the installation space demand is little, can not influence the installation of the inside other spare parts of air conditioner, can not cause great influence to the windage of air conditioner inside in addition.
In order to improve the separation effect and the oil return effect of the gas-liquid separator, the volume of the tank body 1 is usually determined according to the maximum refrigerant filling amount in the system, the tank body 1 is made of a steel plate material, the internal piping refrigerant outlet pipe 2 and the internal piping refrigerant inlet pipe 3 are made of a copper material, and if cost optimization is considered, the piping inside the tank body 1 can be made of a steel pipe. When the internal piping is installed, attention must be paid to a partition between the refrigerant inlet pipe 3 and the refrigerant outlet pipe 2 to prevent the refrigerant entering the tank body 1 from returning to the compressor from an outlet pipe after being insufficiently separated, in addition, the oil return pipe 4 is installed at the bottom of the tank body 1, the diameter of the oil return pipe 5 is selected according to the filling amount of the refrigerant in the system, the maximum diameter is usually phi 7.94, in addition, a filter 6 must be installed before the electromagnetic valve 5 is connected, and the electromagnetic valve 5 is prevented from being blocked by impurities in the system.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. A gas-liquid separator with an oil return mechanism is characterized by comprising a tank body (1), a refrigerant outlet pipe (2) and a refrigerant inlet pipe (3); the refrigerant outlet pipe (2) and the refrigerant inlet pipe (3) are respectively welded on the tank body (1), the refrigerant inlet pipe (3) comprises a vertical section A, a horizontal section A and a vertical section B, and the vertical section A and the horizontal section A, and the vertical section B and the horizontal section A are respectively connected through transition sections; the vertical section A is arranged in the tank body (1) and extends upwards to the top of the tank body (1), the vertical section B is arranged outside the tank body (1), the horizontal section A penetrates through the side wall of the tank body (1), and the top of the vertical section B is provided with an inlet of a refrigerant inlet pipe (3); the refrigerant outlet pipe (2) comprises a vertical section C, a horizontal section B and a vertical section D, and the vertical section C and the horizontal section B are connected through transition sections respectively; the vertical section C is arranged in the tank body (1), the upper end of the vertical section C extends upwards to the top of the tank body (1), and the bottom of the vertical section C penetrates through the tank body (1) and then is connected with the horizontal section B; the horizontal section B and the vertical section D are arranged outside the tank body (1), and the top of the vertical section D is provided with an outlet main pipe (8) of the refrigerant outlet pipe (2); an oil return pipe connector (11) is arranged on one side of the bottom of the tank body (1); the oil return pipe connector (11) is sequentially connected with an oil return pipe (4), a filter (6) and a connecting pipe (10); an oil return pipe main loop interface (9) is arranged on the horizontal section B; the tail end of the connecting pipe (10) is connected with the main loop interface (9) of the oil return pipe; an electromagnetic valve (5) is arranged between the filter (6) and the connecting pipe (10).
2. The gas-liquid separator with the oil return mechanism as claimed in claim 1, wherein a base (7) is further arranged at the bottom of the gas-liquid separator, and the gas-liquid separator is fixedly connected with the air conditioner bottom plate through the base (7).
3. The gas-liquid separator with the oil return mechanism as claimed in claim 2, wherein the tank body (1) is made of a steel plate; the refrigerant outlet pipe (2) and the refrigerant inlet pipe (3) are made of copper pipes or steel pipes.
4. The gas-liquid separator with the oil return mechanism as claimed in claim 3, wherein the base (7) is made of sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222137684.2U CN217952772U (en) | 2022-08-15 | 2022-08-15 | Gas-liquid separator with oil return mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222137684.2U CN217952772U (en) | 2022-08-15 | 2022-08-15 | Gas-liquid separator with oil return mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217952772U true CN217952772U (en) | 2022-12-02 |
Family
ID=84232712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222137684.2U Active CN217952772U (en) | 2022-08-15 | 2022-08-15 | Gas-liquid separator with oil return mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217952772U (en) |
-
2022
- 2022-08-15 CN CN202222137684.2U patent/CN217952772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111623558B (en) | Air conditioning system | |
| CN206399052U (en) | Knockout system is set up after a kind of dry type unit evaporator | |
| CN102252472B (en) | Compact structure of liquid reservoir and gas-liquid separator for refrigeration/air-conditioning system | |
| CN109341120B (en) | Flooded refrigerating system | |
| CN217952772U (en) | Gas-liquid separator with oil return mechanism | |
| JPH1194401A (en) | Refrigerating and air-conditioning equipment | |
| CN201764743U (en) | Siphoning jetting full-liquid type water chilling unit | |
| WO2015029204A1 (en) | Air conditioner | |
| CN211552140U (en) | Vertical siphon tank with liquid reservoir and washing type oil separation functions | |
| CN202835900U (en) | Energy-efficient flooded type air-cooled heat pump unit | |
| CN216844913U (en) | Air conditioner | |
| CN206488521U (en) | A kind of gas-liquid separator of compatible Subcooled heat recovery function | |
| CN112648763B (en) | Double-floating-body liquid reservoir of oil return system | |
| CN214120461U (en) | Double-floating-body type liquid storage device of oil return system | |
| CN216507801U (en) | Improved structure of gas-liquid separator | |
| CN112556255B (en) | Gas-liquid separator of self-adaptive oil return system | |
| CN209068818U (en) | Gas-liquid separator and air conditioner | |
| CN106969520A (en) | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system | |
| CN209042831U (en) | Flash Type economizer suitable for refrigeration unit | |
| CN217844338U (en) | Low-charge-capacity flooded refrigeration system | |
| CN201748723U (en) | Gas-liquid separator for air-conditioning system | |
| CN216868889U (en) | Oil separating mechanism of compressor refrigerating system | |
| CN219415323U (en) | Flash evaporator and air conditioning system | |
| CN221630469U (en) | Totally-enclosed multifunctional self-overlapping heat exchange device | |
| CN221924032U (en) | Flooded evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 116600 No.117, 118 Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No.10 Songlan Street) Patentee after: Bingshan Songyang Refrigeration (Dalian) Co.,Ltd. Country or region after: China Address before: 116600 No.117, 118 Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No.10 Songlan Street) Patentee before: PANASONIC REFRIGERATION (DALIAN) CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |