CN206176833U - Vapour and liquid separator and air conditioning system - Google Patents

Vapour and liquid separator and air conditioning system Download PDF

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Publication number
CN206176833U
CN206176833U CN201621150174.7U CN201621150174U CN206176833U CN 206176833 U CN206176833 U CN 206176833U CN 201621150174 U CN201621150174 U CN 201621150174U CN 206176833 U CN206176833 U CN 206176833U
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China
Prior art keywords
gas
liquid separator
oil return
compressor
housing
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Application number
CN201621150174.7U
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Chinese (zh)
Inventor
王伟
郭爱斌
刘新昌
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201621150174.7U priority Critical patent/CN206176833U/en
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Abstract

The utility model discloses a vapour and liquid separator and air conditioning system. Vapour and liquid separator includes: a housing. The oil return subassembly, the oil return subassembly includes drive arrangement, drive arrangement is used for the drive fluid in the casing flow in with in the compressor that vapour and liquid separator is connected. The utility model provides a vapour and liquid separator is provided with the oil return subassembly that is used for the oil return to set up drive arrangement on the oil return subassembly, can provide drive power for the fluid in the vapour and liquid separator flows in the compressor through drive arrangement, even consequently also can satisfy the oil return requirement under the great condition of oil return volume, thereby improve the operational reliability of the compressor that adopts it.

Description

Gas-liquid separator and air conditioning system
Technical field
This utility model is related to a kind of gas-liquid separator.This utility model further relates to the air-conditioning with the gas-liquid separator System.
Background technology
Gas-liquid separator is the vitals in refrigeration system (such as air conditioning system), and the effect of its one side is segregative line What system vaporizer was returned a small amount of does not evaporate completely cold-producing medium, it is ensured that the cold-producing medium of compressor not inspiration liquid and there is liquid hammer and show As so as to avoid compressor from damaging because there is liquid hammer;The effect of another aspect is a small amount of profit that make gas-liquid separator bottom Lubricating oil can be back in compressor, it is to avoid compressor oil starvation occurs and causes abrasion.
In order to realize the return of lubricating oil, carry spill port inside most gas-liquid separator to carry out in prior art Oil return.Typically, spill port is arranged on exhaustor and near the bottom of gas-liquid separator housing, so that bottom lacking of existing Parts of lubricating oil can pass through spill port and return compressor by means of the gas flow rate inside exhaustor.This gas-liquid separator is only Oil return is carried out by spill port, because the suction for only leaning on compressor provides power for oil return, and the aperture of spill port is fixed Constant, oil return requirement cannot be met when recirculating oil quantity is larger.
Utility model content
In view of this, this utility model provides a kind of gas-liquid separator and air conditioning system that disclosure satisfy that oil return requirement.
A kind of first aspect, there is provided gas-liquid separator.
A kind of gas-liquid separator, including:
Housing;
Oil return component, the oil return component includes driving means, and the driving means are used to drive the oil in the housing Liquid is flowed in the compressor being connected with the gas-liquid separator.
Preferably, the oil return component also includes oil return pipe, and the driving means are arranged on the oil return pipe.
Preferably, the gas-liquid separator also includes escape pipe, and one end of the oil return pipe connects with the enclosure interior, The other end connect the suction nozzle of the escape pipe and the compressor that the gas-liquid separator is connected or with the gas-liquid separation The housing of the compressor that device is connected.
Preferably, one end of the oil return pipe connect with the enclosure interior and the end port near the bottom of the housing Portion is arranged.
Preferably, the bottom of the housing is provided with sewage draining exit.
Preferably, it is provided with blowoff valve at the sewage draining exit.
Preferably, the sewage draining exit in the vertical direction is located at the minimum point of the housing.
Preferably, the concave structure in the bottom of the housing, the sewage draining exit is located at the minimum point of the sunk structure.
Preferably, the oil return component also includes oil return pipe, and the driving means are arranged on the oil return pipe;
One end of the oil return pipe connect with the enclosure interior and the end port in the vertical direction be located at it is described recessed Between the peak and minimum point of sunken structure.
Preferably, the sunk structure is in circular arc or bent.
Preferably, the driving means are oil pump.
Preferably, the gas-liquid separator is horizontal type gas and liquid separator.
A kind of second aspect, there is provided air conditioning system.
A kind of air conditioning system, including compressor and gas-liquid separator, the escape pipe of the gas-liquid separator and the compression The suction nozzle of machine is communicated, and the gas-liquid separator is according to above-mentioned gas-liquid separator.
Preferably, the air conditioning system is automobile air conditioning system system.
The gas-liquid separator that this utility model is provided is provided with the oil return component for oil return, and sets on oil return component Driving means are put, compressor can be flowed into for the fluid in gas-liquid separator by driving means and driving force is provided, even if therefore Oil return requirement is also disclosure satisfy that in the case where recirculating oil quantity is larger, so as to improve the operational reliability using its compressor.
The air conditioning system that this utility model is provided is due to using above-mentioned gas-liquid separator, running relatively reliable.
The control method of the air conditioning system that this utility model is provided can drive dress according to the control of the operating frequency of air conditioning system The speed that drive shell inner fluid is flowed in compressor is put, the requirement of compressor lubrication can be met, compressor liquid is avoided that again Hit, improve the operational reliability of air conditioning system.
Description of the drawings
By referring to the drawings to the description of this utility model embodiment, of the present utility model above-mentioned and other mesh , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 illustrates the structural representation that the gas-liquid separator that this utility model specific embodiment is provided is connected with compressor Figure;
Fig. 2 illustrate this utility model specific embodiment provide gas-liquid separator housing bottom structural representation it One;
Fig. 3 illustrate this utility model specific embodiment provide gas-liquid separator housing bottom structural representation it Two;
Fig. 4 illustrate this utility model specific embodiment provide gas-liquid separator housing bottom structural representation it Three;
Fig. 5 illustrate this utility model specific embodiment provide gas-liquid separator housing bottom structural representation it Four.
In figure, 1, housing;11st, sewage draining exit;2nd, inlet tube;3rd, escape pipe;41st, oil return pipe;42nd, driving means;5th, compress Machine;51st, suction nozzle;6th, blowoff valve;7th, base.
Specific embodiment
This utility model is described below based on embodiment, but this utility model is not restricted to these enforcements Example.Below to detailed description of the present utility model in, it is detailed to describe some specific detail sections.To people in the art Without these details the description of part can also completely understand this utility model for member.It is of the present utility model in order to avoid obscuring Essence, the not narration in detail of known method, process, flow process, element.
Additionally, it should be understood by one skilled in the art that provided herein accompanying drawing is provided to descriptive purpose, and What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with " including " in claims, "comprising" etc. Word should be construed to the implication for including rather than exclusive or exhaustive implication;That is, be " including but not limited to " contains Justice.
In description of the present utility model, it is to be understood that term " first ", " second " etc. are only used for describing purpose, And it is not intended that indicating or implying relative importance.Additionally, in description of the present utility model, it is unless otherwise stated, " many It is individual " it is meant that two or more.
This utility model provides a kind of gas-liquid separator, typical as shown in figure 1, gas-liquid separator is horizontal type gas and liquid point From device, it includes housing 1, inlet tube 2, escape pipe 3 and oil return component.Oil return component includes driving means 42, driving means 42 fluid being used in drive shell 1 are flowed in the compressors 5 that are connected with gas-liquid separator, i.e. driving means 42 can be Fluid in housing 1 flows into compressor 5 and provides driving force, therefore, even if still being able to meet back in the case where recirculating oil quantity is larger Oil is required, so as to improve the operational reliability using its compressor 5.
Further, inlet tube 2 and escape pipe 3 are located at respectively the two ends of housing 1, wherein, in the vertical direction, inlet tube 2 middle parts for being located at the housing 1, escape pipe 3 is located at the top of housing 1, so as to the cold media gas Jing outlets for facilitating density relatively low Pipe 3 is discharged.
Further, oil return component also includes oil return pipe 41, and driving means 42 are arranged on oil return pipe 41, this set, On the one hand it is easy to the two ends of driving means 42 and the connection of corresponding construction, on the other hand also causes the arrangement of oil return component cleverer It is living.
It is further preferred that the inside of one end of oil return pipe 41 and housing 1 connects, due to lubricating oil density ratio coolant it is close Degree is big, and lubricating oil can be deposited on the bottom of housing 1, but due to welding and long-term operation, the bottom of housing 1 can deposited oxide The debris such as copper, it is therefore preferred that the port at the end of oil return pipe 41 is arranged near the bottom of housing 1, so, can reach back liquid Purpose, be avoided that debris Jing oil return pipes 41 cause the infringement to compressor into compressor 5 again.
The link position of the other end of oil return pipe 41 is not specifically limited, and the fluid in housing 1 can be delivered in compressor 5 , for example, in one embodiment, the other end of oil return pipe 41 connects the escape pipe 3 of gas-liquid separator, in another enforcement In example, as shown in figure 1, the other end of oil return pipe 41 connects the suction nozzle 51 of compressor 5, In yet another embodiment, oil return pipe 41 other end connects the housing of compressor 5.
Oil return component is not limited with the position relationship of gas-liquid separator housing 1, may be located at the inside of housing 1, it is also possible to such as Positioned at the outside of housing 1 shown in Fig. 1, the outside that oil return component is arranged at housing 1 is facilitated implementation into assembling and to driving means 42 are controlled, while being not take up the inner space of housing 1 as far as possible.
Due to debris such as welding and long-term operation, the bottom meeting deposited copper oxides of housing 1, it is further preferred that The bottom of housing 1 is provided with sewage draining exit 11, can be discharged debris by sewage draining exit 11, improves the reliability of system operation, enters one Step, blowoff valve 6 is provided with sewage draining exit 11, by opening and closing blowoff valve 6 come control of sewage disposal, when compressor 5 run it is several Individual month, half a year it is even more prolonged when by blowoff valve 6 open carry out a blowdown so that system operation more safely may be used Lean on, reduce fault rate.
Preferably, the bore of sewage draining exit 11 is unsuitable too small, and too small bore can cause the big debris of size to discharge, row The bore of dirty mouth 11 is preferably greater than 3mm.
Preferably, the concrete structure of blowoff valve 6 is not limited, and can be the valves such as conventional stop valve, ball valve, or from The electromagnetic valve of dynamic control is realizing automatic pollution discharge, likewise, the minimum latus rectum of blowoff valve 6 requires to be more than 3mm, it is big absolutely so as to ensure Most debris can be discharged.
Because debris can be deposited on the bottom of housing 1, therefore, sewage draining exit 11 is preferably placed at vertical direction upper shell 1 most Low spot.It is further preferred that the concave structure in the bottom of housing 1, minimum point of the sewage draining exit 11 positioned at sunk structure.By housing 1 Bottom be set to sunk structure so that debris are slided under gravity at the sewage draining exit 11 of minimum point, so as to ensure The as far as possible many discharges of debris.
The concrete shape of sunk structure is not limited, preferably in circular arc or bent, specifically, in one embodiment, such as Shown in Fig. 2, sunk structure is in integrally recessed circular arc, and sewage draining exit 11 is located at the lowest point of circular arc;In another reality In applying example, as shown in figure 3, sunk structure is in integrally to recessed bent, sewage draining exit 11 is located at the sharp corner of bent, preferably Ground, constitutes the angle α between the two lines of bent and 180 ° is less than more than or equal to 120 °;In yet another embodiment, such as Fig. 4 institutes Show, sunk structure is surrounded by the flat line of two camber lines of two camber lines and connection, and sewage draining exit 11 is arranged at the centre of flat line Position;In a further embodiment, as shown in figure 5, sunk structure is in inverted trapezoidal, sewage draining exit 11 is arranged at the centre of trapezoidal minor face Position.
It is further preferred that as shown in Figures 2 to 5, the port in the vertical direction of oil return pipe 41 is located at sunk structure Between peak and minimum point, so as to reach back the purpose of liquid, the debris Jing oil return pipes 41 that bottom is avoided that again enter pressure Contracting machine 5 causes the infringement to compressor.
The concrete structure of driving means 42 is not limited, and can provide driving force for the motion of fluid, it is further preferred that Driving means 42 can adjust oil return speed, so as to control recirculating oil quantity according to actual condition to provide including its air conditioning system Possibility, a small amount of oil that on the one hand can ensure that gas-liquid separator bottom timely and effectively returned in compressor, it is to avoid because occurring lacking Oil and cause the phenomenon of compressor abrasion;On the other hand can ensure that compressor not inspiration liquid refrigerant and liquid hit phenomenon occurs. Such as driving means 42 can be oil pump.Further, on the premise of oil return requirement is met, oil pump is various types of for adjustable speed The float dispensing pump of type, the concrete control mode of oil pump should determine according to the frequency of system and operating mode load.
Further, defecator can be also set on oil return pipe 41, and the lubricating oil for returning compressor 5 for convection current was carried out Filter, further ensures the internal medium of compressor 5.
Further, the lower section of housing 1 is additionally provided with base 7, for supporting and fixing gas-liquid separator.
Of the present utility model to additionally provide a kind of air conditioning system on the basis of above-mentioned work, it includes compressor 5 and front The gas-liquid separator stated, wherein, the escape pipe 3 of the gas-liquid separator is communicated with the suction nozzle 51 of the compressor 5.Due to adopting With above-mentioned gas-liquid separator, oil return requirement is disclosure satisfy that, run relatively reliable.
Typically, the air conditioning system that this utility model is provided is applied to big Palestine and China.Automobile air conditioning system have internal structure it is compact, The particular/special requirements such as whole machine integrated degree height, national sector standard height.Pure electric bus air-conditioning is used as a kind of big bus of new model Air-conditioning, can reduce the NOx emission of fuel oil bus generation, slow down ambient pressure.The presence of gas-liquid separator can make air-conditioning system System adapts to the safe and stable operation of different frequency under various operating mode loads, due to the special construction of automobile air conditioning system, existing gas-liquid point Horizontal type gas and liquid separator is all adopted from device, this this may result in the oil in automobile air conditioning system system and accumulates gradually at gas-liquid separator bottom Portion, and do not have individually designed oil in automobile air conditioning system system, compressor oil starvation may be caused, pressure is likely to result in during longtime running Contracting machine is damaged, and when particularly high frequency runs, the speed of compressor damage is faster.Existing horizontal type gas and liquid separator has by air-breathing Pipe bottom opens up aperture and carries out oil return, but the circuit may result in bad adaptability under different operating modes, seriously even Cause compressor air suction band liquid.And the defect of existing automobile air conditioning system presence can then be overcome using above-mentioned air conditioning system so that Automobile air conditioning system system can more safe and stable, long trouble free operation.
Further, the control method of above-mentioned air conditioning system is to control driving means according to the operating frequency of air conditioning system Drive shell inner fluid flows into the speed in compressor, can meet the requirement of compressor lubrication, and compressor liquid hammer is avoided that again, Improve the operational reliability of air conditioning system.
Specifically, in one embodiment, under identical compressor running frequency, when system operation is in worst cold case, system The oil shortage ratio of cryogen is high, therefore the circulating load of oil is big, now should control to improve the speed that shell inner fluid is flowed in compressor, for example Increase pump speed, conversely, then reducing the speed that shell inner fluid is flowed in compressor, for example, reduces pump speed.
In another embodiment, under compressor high frequency ruuning situation, the corresponding shell inner fluid that improves is flowed in compressor Speed, conversely, in the case of compressor low-frequency operation, it is corresponding to reduce the speed that housing fluid is flowed in compressor.
It is further preferred that driving means can be continuous service, it is also possible to carried out according to the operating frequency of air conditioning system Intermittent duty, i.e., when requiring relatively low to oil circulation amount, open driving means operation oil return after can accumulating the regular hour, so as to Reducing energy consumption, improves the service life of driving means.In a specific embodiment, under cooling condition, compressor low frequency During operation, oil circulation amount is low, and compressor oil drainage amount is low, because cold-producing medium and oil have characteristic of dissolving each other, while compressor air suction Some oil droplets can be carried secretly and enter compressor, it is possible to there is one hour of stable operation or longer time, compressor is still protected Hold in Safe Levels.In such cases, can will oil starvation when, open oil pump, oil return three minutes or so.It is specific to return Oily time and oil pump oil return frequency need to be determined according to actual set running frequency and operating mode.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each preferred version can be free Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from of the present utility model In the case of ultimate principle, those skilled in the art can be directed to various obvious or equivalent the modification that above-mentioned details is made Or replace, all it is included in right of the present utility model.

Claims (14)

1. a kind of gas-liquid separator, it is characterised in that include:
Housing (1);
Oil return component, the oil return component includes driving means (42), and the driving means (42) are for driving the housing (1) Interior fluid is flowed in the compressor (5) being connected with the gas-liquid separator.
2. gas-liquid separator according to claim 1, it is characterised in that the oil return component also includes oil return pipe (41), The driving means (42) are arranged on the oil return pipe (41).
3. gas-liquid separator according to claim 2, it is characterised in that the gas-liquid separator also includes escape pipe (3), One end of the oil return pipe (41) connects with inside the housing (1), and the other end connects the escape pipe (3) and the gas-liquid The shell of the suction nozzle (51) of the compressor (5) that separator is connected or the compressor (5) being connected with the gas-liquid separator Body.
4. gas-liquid separator according to claim 2, it is characterised in that one end of the oil return pipe (41) and the housing (1) port at internal connection and the end is arranged near the bottom of the housing (1).
5. gas-liquid separator according to claim 1, it is characterised in that the bottom of the housing (1) is provided with sewage draining exit (11)。
6. gas-liquid separator according to claim 5, it is characterised in that sewage draining exit (11) place is provided with blowoff valve (6)。
7. gas-liquid separator according to claim 5, it is characterised in that sewage draining exit (11) in the vertical direction is located at The minimum point of the housing (1).
8. gas-liquid separator according to claim 5, it is characterised in that the concave structure in bottom of the housing (1), institute State minimum point of the sewage draining exit (11) positioned at the sunk structure.
9. gas-liquid separator according to claim 8, it is characterised in that the oil return component also includes oil return pipe (41), The driving means (42) are arranged on the oil return pipe (41);
Connect inside one end of the oil return pipe (41) and the housing (1) and the end port in the vertical direction positioned at described Between the peak and minimum point of sunk structure.
10. gas-liquid separator according to claim 8, it is characterised in that the sunk structure is in circular arc or bent.
11. gas-liquid separators according to claim 1, it is characterised in that the driving means (42) are oil pump.
12. gas-liquid separators according to any one of claim 1 to 11, it is characterised in that the gas-liquid separator is sleeping Formula gas-liquid separator.
A kind of 13. air conditioning systems, including compressor (5) and gas-liquid separator, the escape pipe (3) of the gas-liquid separator with it is described The suction nozzle (51) of compressor (5) is communicated, it is characterised in that the gas-liquid separator is according to one of claim 1-12 Gas-liquid separator.
14. air conditioning systems according to claim 13, it is characterised in that the air conditioning system is automobile air conditioning system system.
CN201621150174.7U 2016-10-24 2016-10-24 Vapour and liquid separator and air conditioning system Active CN206176833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621150174.7U CN206176833U (en) 2016-10-24 2016-10-24 Vapour and liquid separator and air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621150174.7U CN206176833U (en) 2016-10-24 2016-10-24 Vapour and liquid separator and air conditioning system

Publications (1)

Publication Number Publication Date
CN206176833U true CN206176833U (en) 2017-05-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288558A (en) * 2016-10-24 2017-01-04 珠海格力电器股份有限公司 Gas-liquid separator, air conditioning system and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288558A (en) * 2016-10-24 2017-01-04 珠海格力电器股份有限公司 Gas-liquid separator, air conditioning system and control method
CN106288558B (en) * 2016-10-24 2018-06-22 珠海格力电器股份有限公司 Automobile air conditioning system system and control method

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