CN205980484U - Double -deck vapour and liquid separator and have air conditioning system of this separator - Google Patents
Double -deck vapour and liquid separator and have air conditioning system of this separator Download PDFInfo
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Abstract
The utility model relates to a double -deck vapour and liquid separator and have air conditioning system of this separator belongs to the air conditioning technology field, and double -deck vapour and liquid separator includes and enclosed the gas -liquid separation chamber of establishing and lain in the import and the export of inner shell upper portion and gas -liquid separation chamber intercommunication by the inner shell that the shell of establishing and inner shell formation heat transfer chamber is enclosed to the inner shell outside, and steam / liquid import and steam / liquid export in heat transfer chamber divide both sides and steam / the liquid import of locating the shell to export along the vertical steam / liquid that is higher than. Having the air conditioning system of this separator, including the refrigerant cycle system and the heat exchange circulating system that connect gradually vapour and liquid separator export, compressor, condenser, primary throttle valve, evaporimeter and vapour and liquid separator import with the help of the pipeline, heat exchange circulating system measures with the help of the multiplicable refrigerant cycle of this heat transfer route including the heat transfer route that connects gradually heat source, heat transfer chamber steam / liquid import, steam / liquid export, bypass throttle valve, evaporimeter and vapour and liquid separator import.
Description
Technical field
This utility model belongs to air-conditioning technical field, is related to gas-liquid separator and the air conditioning system of application separator, specifically
The gas-liquid separator that is related to have double-deck heat exchange structure and increase refrigerant system circulating load by this gas-liquid separator, improves system
The air conditioning system of system Energy Efficiency Ratio.
Background technology
At present, in air conditioning system for vehicle, the change of vehicle use environment and load can cause air conditioning system refrigerant flow
Change, this by lead to enter compressor cold-producing medium there are gas-liquid two states sometimes, thus causing compressor Wet Compression,
In turn result in the damage of compressor.For avoiding under harsh conditions, the cold-producing medium of refrigeration system returns liquid, leads to compressor liquid hammer, often
Gas-liquid separator is set in compressor air suction mouth position, gaseous refrigerant and liquid refrigerant is separated, gaseous refrigerant flows back to
Compressor, and liquid refrigerant is then stored in gas-liquid separator.Conventional gas-liquid separator only enables the work(of gas-liquid separation
Can, if air conditioning unit operate in the bad working environments such as low temperature, substantial amounts of refrigerant liquid cognition accumulates in gas-liquid separator bottom, leads
The circulating load of cause system inner refrigerant reduces, and reduces air conditioning unit Energy Efficiency Ratio；Meanwhile, liquid refrigerant accumulation is in gas-liquid separation
In device, gas-liquid separator surface temperature can be led to relatively low, increase loss of refrigeration capacity, and produce the impact such as condensation.
Content of the invention
This utility model, in order to increase refrigerant system circulating load, improves systematic energy efficiency ratio, devises a kind of bilayer gas-liquid
Separator and the air conditioning system applying this gas-liquid separator, using the hot gas/liquid in refrigerant-cycle systems by gas-liquid separator
The liquid refrigerant heating vaporization of interior accumulation, increases the circulating load of system, improves efficiency.
The technical solution of the utility model is：A kind of bilayer gas-liquid separator, including being enclosed the gas-liquid separation being set as by inner shell
Chamber and the inlet and outlet being connected with gas-liquid separation chamber positioned at inner shell top, be it is critical only that：The shell setting is enclosed outside described inner shell
Form heat exchanging chamber with inner shell, the hot gas/liquid import of the heat exchanging chamber and outlet of hot gas/liquid is divided into the both sides of shell and hot gas/liquid is entered
Opening's edge is higher than vertically that hot gas/liquid exports to form the hot gas/liquid path flowing through gas-liquid separator bottom.It is passed through heat in heat exchange intracavity
The liquid refrigerant accumulating in gas-liquid separator can be heated vaporization, increase the circulating load of system by gas/liquid.
Further, the inlet and outlet connecting with gas-liquid separation chamber is connected with air inlet pipe and escape pipe, escape pipe is U
Shape tubular construction, is provided with a spill port in the bottom of U-tube.
Further, described air inlet pipe runs through and is fixed on the upper end lid of described inner shell, and air inlet pipe air outlet is stretched
Enter the vertical centre position to described gas-liquid separation chamber.
Further, the air inlet port of escape pipe and the air outlet of described air inlet pipe stagger in the horizontal direction, described go out
The air inlet port of trachea is vertically located at the top of the air outlet of air inlet pipe.
Further, described gas-liquid separation intracavity is provided with dividing plate, leaves airspace between dividing plate and cavity inner wall；Enter
Trachea and escape pipe pass through dividing plate, the air inlet port of escape pipe and the air outlet of air inlet pipe to be divided into the both sides up and down of dividing plate.
Further, described escape pipe is provided with gas balance pipe, gas balance pipe is respectively positioned on the air inlet port of escape pipe
Above dividing plate.
Further, the air inlet port of described escape pipe is the angular cut of with respect to the horizontal plane 20 ° -40 ° of one-tenth.
Using said structure into and out of trachea, can preferably separate gaseous state and liquid refrigerant, it is to avoid liquid refrigerant
Enter compressor, cause compressor liquid hammer.Gas balance pipe is used for preventing the liquid of gas-liquid separator bottom to be inhaled into escape pipe.Enter
Trachea and escape pipe both pass through dividing plate, leave airspace between dividing plate and bucket wall, and the guttiferous gas that air inlet pipe flows into can
To be intercepted in the latter half of gas-liquid separator by dividing plate（Avoid being sucked by the air inlet of escape pipe nearby）, then gas from every
Gap between plate surrounding and gas-liquid separation cavity wall flows to gas-liquid separator top, enters the air inlet of escape pipe.Spill port
Grease accumulation can be prevented in gas-liquid separator bottom, by the spill port of bottom, using the high velocity air of escape pipe, will lubricate
Compressor taken back by oil.
A kind of air conditioning system with double-deck gas-liquid separator, including by pipeline be sequentially connected gas-liquid separator outlet,
Compressor, condenser, the refrigerant-cycle systems of primary throttle valve, vaporizer and gas-liquid separator import, it is critical only that：Described system
Be additionally provided with recuperated cycle system in system, described recuperated cycle system include being sequentially connected thermal source, heat exchanging chamber hot gas/liquid import,
Hot gas/liquid outlet, the heat exchange path of bypass throttle valve, vaporizer and gas-liquid separator import, refrigerant-cycle systems are by this
Heat exchange path forms the pipeline structure increasing circulating mass of refrigerant.
Further, described thermal source is the high temperature and high pressure gas or the middle temperature high pressure from condenser discharge discharged from compressor
Liquid.
Further, described thermal source is discharged in compressor by electromagnetic valve one and two high temperature and high pressure gas and from condenser
Between the middle temperature highly pressurised liquid discharged, switching forms the heat exchange path adapting to air conditioner low temperature and standard condition respectively.
In this system, the refrigerant vapour discharged from vaporizer enters the gas-liquid separation of gas-liquid separator via air inlet pipe
Chamber, in gas-liquid separation chamber, the liquid sedimentation of non-evaporating completely to bottom and accumulates in bottom, by discharging from compressor
High temperature and high pressure gas or the middle temperature highly pressurised liquid discharged from condenser introduce heat exchanging chamber, make the liquid system accumulated in gas-liquid separator
Cryogen heating vaporization, increases the circulating load of system.
The beneficial effects of the utility model are：1st, steam/hydrothermal solution flows through the heat exchanging chamber of gas-liquid separator, improves gas-liquid and divides
From the temperature of device, the hydrops in gas-liquid separator can be promoted to evaporate, it is to avoid refrigerant liquid is assembled in gas-liquid separator, increase
Adding system circulating load, submission system Energy Efficiency Ratio.2nd, because gas-liquid separator has heat-exchange capacity, vaporizer can be avoided because of design
The bad evaporation leading to is uneven and returns liquid, and then avoids vaporizer to freeze or low voltage failure, improves the reliability of system.3、
Through the heat exchange of gas-liquid separator, the degree of supercooling before throttling arrangement can be increased, improve systematic energy efficiency ratio, increased pressure simultaneously
The degree of superheat of contracting machine return-air, it is to avoid the relatively low lubricating oil dilution leading to of the degree of superheat.4th, the gas-liquid separation chamber of vertical gas-liquid separator
Bottom is circular arc bottom, it is possible to reduce the long-pending oil amount of bottom, improves the lubricating efficiency of compressor.5th, when liquid refrigerant flows through heat exchange
When chamber, it can play the function of part reservoir.
Brief description
Fig. 1 a and Fig. 1 b is the structural representation of vertical and horizontal bilayer gas-liquid separator respectively；
Fig. 2 is cold-producing medium and the recuperated cycle principle schematic of the air conditioning system with this double-deck gas-liquid separator；
In accompanying drawing, 1 is gas-liquid separator, and 11 is inner shell, and 111 is air inlet pipe, and 112 is escape pipe, and 1121 is spill port, 12
It is shell, 121 is hot gas/liquid import, 122 is hot gas/liquid outlet, and 2 is compressor, and 3 is condenser, and 4 is primary throttle valve, and 5 are
Vaporizer, 6 is bypass throttle valve, and 7,8 is electromagnetic valve one and electromagnetic valve two respectively, and 9 is dividing plate, and 10 is gas balance pipe, arrow side
To for refrigerant flow direction.
Specific embodiment
A kind of bilayer gas-liquid separator, encloses the gas-liquid separation chamber being set as and positioned at inner shell 11 top and gas including by inner shell 11
The inlet and outlet of liquid disengagement chamber connection, encloses the shell 12 setting and forms heat exchanging chamber, the heat of heat exchanging chamber with inner shell 11 outside inner shell 11
Gas/liquid import 121 and hot gas/liquid outlet 122 is divided into the both sides of shell 12 and hot gas/liquid import 121 is higher than vertically heat
Gas/liquid outlet 122 is to form the hot gas/liquid path flowing through gas-liquid separator bottom.The import that connects with gas-liquid separation chamber and going out
It is connected with air inlet pipe 111 and escape pipe 112 on mouthful.In order to fully filter liquid refrigerant, escape pipe 112 adopts U-tube structure,
One spill port 1121 is set in the bottom of U-tube, and the air inlet port of escape pipe 112 is arranged with respect to horizontal plane
20 ° -40 ° of angular cut；Air inlet pipe 111 is run through and is fixed on the upper end lid of described inner shell 11, so that air inlet pipe 111 is given vent to anger
Port extend into the vertical centre position of described gas-liquid separation chamber, the air inlet port of escape pipe 112 is gone out with described air inlet pipe 111
Stagger in the horizontal direction in gas port, the air inlet port of escape pipe 112 is vertically positioned at the top of the air outlet of air inlet pipe 111.
Dividing plate 9 is set in gas-liquid separation intracavity, between dividing plate 9 and cavity inner wall, leaves airspace；Air inlet pipe 111 and escape pipe 112
Through dividing plate 9, the air outlet of the air inlet port of escape pipe 112 and air inlet pipe 111 is divided into the both sides up and down of dividing plate 9.Give vent to anger
Gas balance pipe 10 is provided with pipe 112, gas balance pipe 10 is respectively positioned on above dividing plate 9 with the air inlet port of escape pipe 112.
Apply the air conditioning system of this double-deck gas-liquid separator, export, press including being sequentially connected gas-liquid separator 1 by pipeline
Contracting machine 2, condenser 3, the refrigerant-cycle systems of primary throttle valve 4, vaporizer 5 and gas-liquid separator 1 import, in described system also
It is provided with recuperated cycle system, described recuperated cycle system includes being sequentially connected thermal source, heat exchanging chamber hot gas/liquid import 121, heat
Gas/liquid outlet 122, the heat exchange path of bypass throttle valve 6, vaporizer 5 and gas-liquid separator 1 import, refrigerant-cycle systems are borrowed
This heat exchange path is helped to form the pipeline structure increasing circulating mass of refrigerant.Thermal source can be high using the high temperature discharged from compressor 2
Calm the anger body or from condenser 3 discharge middle temperature highly pressurised liquid.Between compressor 2 and condenser 3, bypass line is connected to gas-liquid
In separator 1 import additional, and electromagnetic valve 1 is installed on this bypass line, bypass line connects between condenser 3 and vaporizer 5
It is connected in gas-liquid separator 1 import, and electromagnetic valve 28 is installed additional on this bypass line, switching solenoid valve one, 27,8 forms and divides
Not Shi Ying air conditioner low temperature and standard condition heat exchange path.
During specific works, referring to Fig. 2, under standard condition：Electromagnetic valve 1 cuts out, and electromagnetic valve 22 is opened compressor 2 and will be made
Cryogen is compressed into the gas of High Temperature High Pressure, then flows through condenser 3, under the auxiliary of axial flow blower, to the refrigeration in condenser 3
Agent is cooled down, and is changed into the refrigerant liquid of middle temperature high pressure, and refrigerant liquid leads up to gas-liquid separator 1 heat exchange, then passes through
Bypass throttle valve 6 enters vaporizer 5, separately leads up to primary throttle valve 4 and enters vaporizer 5, through bypass throttle valve 6, main throttling
Cold-producing medium after valve 4 is changed into the gas-liquid mixture phase of low-temp low-pressure, and two-way cold-producing medium mixes in vaporizer 5, and then evaporation is inhaled
Heat, flows through gas-liquid separator 1 and carries out gas-liquid separation and heat exchange, finally return to compressor 2, completes a circulation.
Air-conditioning runs refrigeration mode in ambient temperature than in the case of relatively low, and condensing pressure can reduce, by restricting element
Refrigerant pressure also can decline, this is because general restricting element pressure drop ratio is fixing, or small range adjust, then
Refrigerant pressure in vaporizer also can decline accordingly, and evaporating temperature reduces, the temperature if temperature is below the freezing point, then evaporation
The condensate producing on device will freeze, and causes vaporizer to freeze.
Under worst cold case：Electromagnetic valve 1 is opened, and electromagnetic valve 28 cuts out, and refrigerant compression is become High Temperature High Pressure by compressor 2
Gas, a road flows through condenser 3, under the auxiliary of axial flow blower, the cold-producing medium in condenser 3 is cooled down, in being changed into
The refrigerant liquid of warm high pressure, refrigerant liquid enters vaporizer 5 through primary throttle valve 4, separately leads up to electromagnetic valve 1, enters
Enter gas-liquid separator 1 heat exchange, then the refrigerant gas being changed into middle temperature low pressure through bypass throttle valve 6 enter vaporizer；Through side
Logical choke valve 6, the two-way cold-producing medium of primary throttle valve 4 mix in vaporizer 5, and then evaporation endothermic flows through gas-liquid separator 1 and enters
Row gas-liquid separation and heat exchange, finally return to compressor 2, complete a circulation.Now, the cold-producing medium by electromagnetic valve 1 can
To improve the evaporating temperature of vaporizer 5, it is to avoid freeze and low voltage failure.
Claims (10)
1. a kind of bilayer gas-liquid separator, including by inner shell（11）Enclose the gas-liquid separation chamber being set as and be located at inner shell（11）Top with
Gas-liquid separation chamber connection inlet and outlet it is characterised in that：Described inner shell（11）The shell setting is enclosed in outside（12）With inner shell
（11）Form heat exchanging chamber, the hot gas/liquid import of heat exchanging chamber（121）With the outlet of hot gas/liquid（122）It is divided into shell（12）Two
Side and hot gas/liquid import（121）It is higher than vertically hot gas/liquid outlet（122）To form the heat flowing through gas-liquid separator bottom
Gas/liquid path.
2. according to claim 1 a kind of bilayer gas-liquid separator it is characterised in that：The import connecting with gas-liquid separation chamber
It is connected with air inlet pipe with outlet（111）And escape pipe（112）, escape pipe（112）For U-tube structure, set in the bottom of U-tube
There is a spill port（1121）.
3. according to claim 2 a kind of bilayer gas-liquid separator it is characterised in that：Described air inlet pipe（111）Run through simultaneously
It is fixed on described inner shell（11）Upper end lid on, air inlet pipe（111）Air outlet extend into the vertical of described gas-liquid separation chamber
Centre position.
4. according to claim 3 a kind of bilayer gas-liquid separator it is characterised in that：Escape pipe（112）Air inlet port
With described air inlet pipe（111）Air outlet stagger in the horizontal direction, escape pipe（112）Air inlet port vertically be located at air inlet
Pipe（111）Air outlet top.
5. according to claim 4 a kind of bilayer gas-liquid separator it is characterised in that：Described gas-liquid separation intracavity is provided with
Dividing plate（9）, dividing plate（9）Airspace is left and cavity inner wall between；Air inlet pipe（111）And escape pipe（112）Through dividing plate
（9）, escape pipe（112）Air inlet port and air inlet pipe（111）Air outlet be divided into dividing plate（9）Both sides up and down.
6. according to claim 4 a kind of bilayer gas-liquid separator it is characterised in that：Described escape pipe（112）Upper setting
There is gas balance pipe（10）, gas balance pipe（10）With escape pipe（112）Air inlet port be respectively positioned on dividing plate（9）Top.
7. according to claim 2 a kind of bilayer gas-liquid separator it is characterised in that：Described escape pipe（112）Air inlet
Port is the angular cut of with respect to the horizontal plane 20 ° -40 ° of one-tenth.
8. a kind of air conditioning system of the double-deck gas-liquid separator having described in any one of claim 1-7, including by pipeline according to
Secondary connection gas-liquid separator（1）Outlet, compressor（2）, condenser（3）, primary throttle valve（4）, vaporizer（5）And gas-liquid separator
（1）The refrigerant-cycle systems of import it is characterised in that：It is additionally provided with recuperated cycle system, described heat exchange follows in described system
Loop systems include being sequentially connected thermal source, heat exchanging chamber hot gas/liquid import（121）, the outlet of hot gas/liquid（122）, bypass throttle valve（6）、
Vaporizer（5）And gas-liquid separator（1）The heat exchange path of import, refrigerant-cycle systems form by this heat exchange path and increase system
The pipeline structure of refrigerant cycle amount.
9. a kind of air conditioning system with double-deck gas-liquid separator according to claim 8 it is characterised in that：Described thermal source
It is from compressor（2）Discharge high temperature and high pressure gas or from condenser（3）The middle temperature highly pressurised liquid discharged.
10. a kind of air conditioning system with double-deck gas-liquid separator according to claim 9 it is characterised in that：Described heat
Source is by electromagnetic valve one and two（7、8）In compressor（2）Discharge high temperature and high pressure gas and from condenser（3）The middle temperature discharged is high
Between press liquid, switching forms the heat exchange path adapting to air conditioner low temperature and standard condition respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620937986.XU CN205980484U (en) | 2016-08-25 | 2016-08-25 | Double -deck vapour and liquid separator and have air conditioning system of this separator |
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|---|---|---|---|
| CN201620937986.XU CN205980484U (en) | 2016-08-25 | 2016-08-25 | Double -deck vapour and liquid separator and have air conditioning system of this separator |
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| CN111750577B (en) * | 2019-03-28 | 2022-08-30 | 浙江三花汽车零部件有限公司 | Gas-liquid separator |
| CN112648762B (en) * | 2019-10-12 | 2022-04-05 | 浙江盾安机械有限公司 | Gas-liquid separator and compression system |
| CN112648762A (en) * | 2019-10-12 | 2021-04-13 | 浙江盾安机械有限公司 | Gas-liquid separator and compression system |
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