CN103206819A - Gas-liquid separator and vehicle air conditioner - Google Patents
Gas-liquid separator and vehicle air conditioner Download PDFInfo
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- CN103206819A CN103206819A CN2012105465152A CN201210546515A CN103206819A CN 103206819 A CN103206819 A CN 103206819A CN 2012105465152 A CN2012105465152 A CN 2012105465152A CN 201210546515 A CN201210546515 A CN 201210546515A CN 103206819 A CN103206819 A CN 103206819A
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Abstract
The invention provides a gas-liquid separator which can separate a refrigerant into a liquid and a gas refrigerant, store them, and selectively supply the refrigerants to an expansion valve and a compressor. The gas-liquid separator (9) comprises: a liquid storage chamber (24) used for storing a refrigerant, a refrigerant inlet (25a) used for enabling the refrigerant to flow into the liquid storage chamber (24), a first opening part (27) opened at a lower part of the liquid storage chamber (24), a second opening part (29) opened at an upper part of the liquid storage chamber (24), a first refrigerant outlet (30) used for guiding the refrigerant to the expansion valve (7), a second refrigerant outlet (31) used for guiding the refrigerant to the compressor (3), a flow path switching valve (34) which can be switched into a first switching position enabling communication of the first opening part (27) and the first refrigerant outlet (30), and a second switching position enabling communication of the second opening part (29) and the second refrigerant outlet (31).
Description
Technical field
The air conditioner for motor vehicle that the present invention relates to be located at the gas-liquid separator of steam compression type refrigerating circulation and have this gas-liquid separator.
Background technology
For example in electric automobile, almost the system of Btu utilization in the compartment in self-driven source is warm in the future.Therefore, the various cold-producing mediums that make the compression-type refrigeration cycle operation have been proposed as refrigeration source or as the sort of air conditioner for motor vehicle (for example with reference to patent documentation 1 and patent documentation 2) of heating source.
The compression-type refrigeration circulation of this air conditioner for motor vehicle comprises: compressor, and it is used for compressed refrigerant; Indoor condenser, it is used for making the cold-producing medium that compressed machine compressed and supplies to and carries out heat exchange between the air in the compartment and add hot-air; Outdoor heat exchanger, it is used for carrying out heat exchange between the air outside cold-producing medium and compartment; Decompression member, it is used for making the cold-producing medium decompression; Indoor evaporator, it is used for making through the cold-producing medium that above-mentioned decompression member reduced pressure and supplies to and carries out heat exchange between the air in the compartment and cool off air.And, need make outdoor heat exchanger bring into play function as condenser, perhaps make outdoor heat exchanger bring into play function as evaporimeter.Therefore, in the past, dispose in the downstream of outdoor heat exchanger cold-producing medium is guided path to expansion valve, makes cold-producing medium walk around indoor evaporator to guide to the path of compressor via reservoir and the stream switching part that is used for these paths via liquid tank.
Patent documentation 1: No. 203249 communiques of TOHKEMY 2000 – (No. 4341093 communique of Japan's special permission)
Patent documentation 2: No. 287125 communiques of Japanese kokai publication hei 10 – (No. 3799732 communique of Japan's special permission)
Thereby, the air conditioner for motor vehicle of example in the past, because its cost increases, weight increases, the required space that arranges increases, so the part number of packages is cut down in urgent expectation.In addition, owing to need between each constitution equipment, pipe-fitting joint be set, connect the worry that the number of working processes increases so also exist.
Summary of the invention
Therefore, the present invention makes in order to address the above problem, and purpose is to provide a kind of and cold-producing medium can be separated into liquid refrigerant and gaseous refrigerant and stores and optionally supply with the gas-liquid separator of each cold-producing medium and have the air conditioner for motor vehicle of this gas-liquid separator to expansion valve and compressor.
Gas-liquid separator of the present invention is characterised in that, comprising: fluid reservoir, and it is used for store refrigerant; Refrigerant inlet, it is used for making cold-producing medium flow into above-mentioned fluid reservoir; The 1st peristome, it is in the lower openings of above-mentioned fluid reservoir; The 2nd peristome, it is at the upper opening of above-mentioned fluid reservoir; The 1st refrigerant outlet, it is directed to decompression member with cold-producing medium; The 2nd refrigerant outlet, it is directed to compressor with cold-producing medium; Flow path reversal valve, it can switch to and make the 1st switching position that is communicated with between above-mentioned the 1st peristome and above-mentioned the 1st refrigerant outlet and make the 2nd switching position that is communicated with between above-mentioned the 2nd peristome and above-mentioned the 2nd refrigerant outlet.
Preferably, outstanding being provided with for the prominent wall of the interference of the cold-producing medium that stirs the stream that circles round along the vertical direction in the bottom of above-mentioned fluid reservoir disposed above-mentioned the 1st peristome at the assigned position bottom of above-mentioned fluid reservoir, beyond the prominent wall of above-mentioned interference.
Preferably, form the access that to be communicated with between above-mentioned the 2nd opening and above-mentioned the 2nd refrigerant outlet as the crow flies.
Air conditioner for motor vehicle of the present invention is characterised in that, comprising: compressor, and it is used for compressed refrigerant; Indoor condenser, it is used for making through the cold-producing medium that above-mentioned compressor was compressed and supplies to and carries out heat exchange between the air in the compartment and add hot-air; Outdoor heat exchanger, it is for carrying out heat exchange between the air that makes outside cold-producing medium and the compartment; Decompression member, it is used for making the cold-producing medium decompression; Indoor evaporator, it is used for making through the cold-producing medium that above-mentioned decompression member reduced pressure and supplies to and carries out heat exchange between the air in the compartment and cool off air; And gas-liquid separator, it is configured between above-mentioned outdoor heat exchanger and the above-mentioned decompression member, has: fluid reservoir is used for store refrigerant; Refrigerant inlet, it is used for making cold-producing medium flow into above-mentioned fluid reservoir; The 1st peristome, it is in the lower openings of above-mentioned fluid reservoir; The 2nd peristome, it is at the upper opening of above-mentioned fluid reservoir; The 1st refrigerant outlet, it is used for cold-producing medium is directed to decompression member; The 2nd refrigerant outlet, it is used for cold-producing medium is directed to compressor; Flow path reversal valve, it can switch to and make the 1st switching position that is communicated with between above-mentioned the 1st peristome and above-mentioned the 1st refrigerant outlet and make the 2nd switching position that is communicated with between above-mentioned the 2nd peristome and above-mentioned the 2nd refrigerant outlet.
Adopt the present invention, the cold-producing medium that flows into from the cold-producing medium entrance can be separated into liquid refrigerant and gaseous refrigerant and be stored by fluid reservoir, and suitably (in time) switches flow path reversal valve, liquid refrigerant is directed to expansion valve via the 1st peristome of the bottom of being located at fluid reservoir from the 1st refrigerant outlet, and gaseous refrigerant is directed to compressor via the 2nd peristome on the top of being located at fluid reservoir from the 2nd refrigerant outlet.Thereby, gas-liquid separator has the cold-producing medium separation and the function of difference storing liquid cold-producing medium and gaseous refrigerant, with liquid refrigerant optionally supplied to decompression member, gaseous refrigerant optionally supplied to the function of compressor, so can reduce the quantity of constitution equipment, compare with the situation that as in the past, had a plurality of constitution equipments independently, can cutting down cost, weight and the space is set.In addition, the pipe-fitting joint of not pattern of wants equipment room connects the number of working processes so can reduce pipe arrangement.
Description of drawings
Fig. 1 represents one embodiment of the present invention, is the structure chart of air conditioner for motor vehicle.
Fig. 2 represents one embodiment of the present invention, is the stereogram of gas-liquid separator.
Fig. 3 represents one embodiment of the present invention, the vertical view behind the fluid reservoir that has been unloading of gas-liquid separator.
Fig. 4 represents one embodiment of the present invention, is the A – A cutaway view of flow path reversal valve Fig. 2 when the 1st switching position, gas-liquid separator.
Fig. 5 represents one embodiment of the present invention, is the B – B cutaway view of flow path reversal valve Fig. 2 when the 2nd switching position, gas-liquid separator.
Fig. 6 represents one embodiment of the present invention, is the key diagram of the stream that circles round of the cold-producing medium that produces in fluid reservoir.
Fig. 7 represents one embodiment of the present invention, is the D – D cutaway view of Fig. 6.
Fig. 8 represents one embodiment of the present invention, the figure of the refrigerant path when being warm running of the interior circulation heat absorption of expression system.
Fig. 9 represents one embodiment of the present invention, the figure of the refrigerant path when being warm running of expression outer circulation heat absorption system.
Figure 10 represents one embodiment of the present invention, the figure of the refrigerant path when being heating again after the expression refrigeration (dehumidifying heating) running.
Figure 11 represents one embodiment of the present invention, is the cutaway view of variation that the position of the 2nd refrigerant outlet is set.
Figure 12 represents one embodiment of the present invention, is the stereogram of variation that the position of the 2nd refrigerant outlet is set.
The specific embodiment
Below, embodiments of the present invention are described with reference to the accompanying drawings.
One embodiment
As shown in Figure 1, air conditioner for motor vehicle 1 has steam compression type refrigerating circulation 2.Steam compression type refrigerating circulation 2 comprises: compressor 3, and it is used for compressed refrigerant; Indoor condenser 4, it is used for making the cold-producing medium that compressed machine 3 compressed and supplies to and carries out heat exchange between the air in the compartment and add hot-air; Pressure adjustment component 5, it is configured in the downstream of indoor condenser 4; Outdoor heat exchanger 6, it is configured in the downstream of pressure adjustment component 5; Expansion valve 7, the downstream that it is configured in outdoor heat exchanger 6 is be used to the decompression member that makes the cold-producing medium decompression; Indoor evaporator 8, it is configured in the downstream of expansion valve 7; Gas-liquid separator 9, it is configured between outdoor heat exchanger 6 and the expansion valve 7, and above-mentioned these parts are coupled together by each refrigerant piping 10.
In addition, steam compression type refrigerating circulation 2 comprises: triple valve 11, and it is arranged between indoor condenser 4 and the pressure adjustment component 5; The 1st bypass 12, it walks around outdoor heat exchanger 6, and is connected with this triple valve 11; The 2nd bypass 13, it walks around expansion valve 7 and indoor evaporator 8, and is connected with gas-liquid separator 9.
Expansion valve 7 has the temperature sensing tube portion (not shown) of the outlet side of indoor evaporator of being located at 8, adjusts the valve opening of expansion valve 7 automatically, is maintained setting with the refrigerant superheat degree (overheated) with the outlet side of indoor evaporator 8.
Shown in Fig. 2 to Fig. 5 was detailed, gas-liquid separator 9 had the shell 23 that is made of gas-liquid separation main body 21 and lower case 22.Gas-liquid separation main body 21 is drum, upper end closed, and the lower end is uncovered.Be formed with the fluid reservoir 24 that cold-producing medium is separated into liquid refrigerant and gaseous refrigerant and stores in the inside of gas-liquid separation main body 21.
Be penetrated with the inflow pipe 25 to the cold-producing medium channeling conduct that transports via outdoor heat exchanger 6 or the 1st bypass 12 in the upper end of gas-liquid separation main body 21, cold-producing medium flows into fluid reservoir 24 from cold-producing medium entrance 25a.Under refrigerant inlet 25a, dispose the stream that circles round and form member 26.
The stream that circles round forms member 26 and has mulitpath, flows along the direction of circling round in order to the cold-producing medium that flows down from cold-producing medium entrance 25a.The stream that circles round forms member 26 for discoideus.The peripheral part 26a that the stream that circles round forms member 26 is set at the size smaller than the inner peripheral surface of fluid reservoir 24.Thus, between the inner peripheral surface of peripheral part 26a that the stream that circles round forms member 26 and fluid reservoir 24, be formed with the gap that can the confession cold-producing medium flows down of complete cycle.
The lower end of gas-liquid separation main body 21 is installed on the upper end 22a of lower case 22, utilizes the bottom of the upper end 22a formation fluid reservoir 24 of this lower case 22.That is, utilize the upper end 22a of lower case 22 and gas-liquid separation main body 21 to form fluid reservoir 24.
In the bottom of fluid reservoir 24, be that the upper end 22a of lower case 22 is provided with the 1st peristome 27 of discharging from fluid reservoir 24 for liquid refrigerant.Hold up along the axis direction of fluid reservoir 24 at the central part of fluid reservoir 24 and to be provided with pipe 28.The upper end open of this pipe 28 constitutes for the 2nd peristome 29 of discharging gaseous refrigerant from fluid reservoir 24.The 2nd peristome 29 is at the central opening on the top of fluid reservoir 24.The lower end of pipe 28 is connected with the 2nd access 33.
Interfere prominent wall 35 outstanding being provided with of the upper end of lower case 22 22a, the prominent wall 35 of this interference is the stirring promotion portions of stirring the cold-producing medium of the stream that circles round along the vertical direction.Interfering prominent wall 35 is that the cross section that the radial direction along fluid reservoir 24 extends is trapezoidal prominent wall, interferes prominent wall 35 along the uniformly-spaced configurations with 180 degree of the circumferencial direction of fluid reservoir 24.
The 1st peristome 27 is configured in interferes prominent wall 35 assigned position in addition.Specifically, as shown in Figure 6 and Figure 7, the 1st peristome 27 be configured in fluid reservoir 24 the bottom outer circumferential side and be configured in the scope B, above-mentioned scope B is 3/4 scope from the scope A of the 1st position P1 to the 2 position P2, above-mentioned the 1st position P 1 interferes the mode of the upper end 35a predetermined distance of prominent wall 35 to be positioned at the rear of this upper end 35a with distance, and above-mentioned the 2nd position P2 is to interfere the mode of the upper end 35a predetermined distance of prominent wall 35 to be positioned at the place ahead of this upper end 35a apart from next.Here, the 1st position P 1 interferes the tilt lower end position of the inclined plane 35b under the situations of 45 degree of the inclined plane 35b of prominent wall 35, and is same, and the 2nd position P2 is that next interferes the tilt lower end position of the inclined plane 35b under the situations of 45 degree of the inclined plane 35b of prominent wall 35.
Flow path reversal valve 34 is housed in the lower case 22 in revolvable mode, and flow path reversal valve 34 has the spherical spool 41 that utilizes the rotation and can change switching position, and spool 41 is driven by the driver 42 of the below that is arranged on lower case 22.Driver 42 is driven by control assembly 14 controls.
Spool 41 has along the through hole 43 that extends with the direction of the rotating shaft direction quadrature of spool 41.The two-port that spool 41 can switch to through hole 43 is in the two-port of the 1st switching position of the 1st access 32 split sheds and through hole 43 the 2nd switching position at the 2nd access 33 split sheds.
The 1st refrigerant outlet 30 of lower case 22 is located at the 1st joint 51, the 1 joints 51 and is installed on lower case 22.The rubber seal 52 in the gap between sealing the 1st joint 51 and the lower case 22 is installed in the end by spool 41 sides of the 1st joint 51.In addition, the 2nd refrigerant outlet 31 is located at the 2nd joint 53, the 2 joints 53 and is installed on lower case 22.The seal washer 54 in the gap between gap, spool 41 and the 2nd joint 53 that seals between spool 41 and the lower case 22 is installed in the both sides of spool 41.
When adding heat run again after the warm running of circulation heat absorption system and the refrigeration in gas-liquid separator 9 carries out, as shown in Figure 4, spool 41 switches to by the 1st access 32 and makes the 1st switching position that is communicated with between the 1st peristome 27 and the 1st refrigerant outlet 30.On the other hand, when carrying out the warm running of outer circulation heat absorption system, as shown in Figure 5, spool 41 switches to by the 2nd access 33 and makes the 2nd switching position that is communicated with between the 2nd peristome 29 and the 2nd refrigerant outlet 31.
In addition, upstream side (left side of Fig. 1) at air-conditioning box 15 is provided with air blast, imports the interior circulation introducing port of the outer circulation introducing port of the air outside the compartment, the air in the importing compartment, reaches the inlet valve that opens and closes above-mentioned outer circulation introducing port and interior circulation introducing port, and above-mentioned these parts all omit diagram in Fig. 1.In air-conditioning box 15, be provided with the air-supply by indoor condenser 4 and walk around the air blender door 16 that the mixed proportion of the air-supply of indoor condenser 4 is adjusted.Leaning on the position in downstream to be provided with foot's blow-off outlet, frost removal blow-off outlet and ventilation blow-off outlet than this air blender door 16, these parts all omit diagram.
Utilize control assembly 14 to switch the flow path reversal valve 34 of pressure adjustment component 5, triple valve 11 and gas-liquid separator 9 respectively.Specifically, when the warm running of outer circulation heat absorption system, as shown in Figure 9, switch to the cold-producing medium that compressed machine 3 was compressed turns back to compressor 3 by indoor condenser 4, triple valve 11, flow controller 5a, outdoor heat exchanger 6, gas-liquid separator 9 and the 2nd bypass 13 refrigerant path.Flow controller 5a makes the cold-producing medium decompression, and outdoor heat exchanger 6 is as evaporimeter performance function.When the warm running of interior circulation heat absorption system, as shown in Figure 8, switch to the cold-producing medium that compressed machine 3 was compressed turns back to compressor 3 by indoor condenser 4, triple valve 11, the 1st bypass 12, gas-liquid separator 9, expansion valve 7 and indoor evaporator 8 refrigerant path.Expansion valve 7 reduces pressure cold-producing medium.When after refrigeration, adding heat run again, as shown in figure 10, switch to the cold-producing medium that compressed machine 3 was compressed turns back to compressor 3 by indoor condenser 4, bypass 5c, open and close valve 5b, outdoor heat exchanger 6, gas-liquid separator 9, expansion valve 7 and indoor evaporator 8 refrigerant path.Pressure adjustment component 5 does not make the cold-producing medium decompression, and outdoor heat exchanger 6 is as condenser performance function.
Next, the action of air conditioner for motor vehicle 1 is described.When adding heat run again after refrigeration, as shown in figure 10, triple valve 11 switches to and makes cold-producing medium to outdoor heat exchanger 6 side flow, and open and close valve 5b switches to open mode, and the flow path reversal valve 34 of gas-liquid separator 9 switches to the 1st switching position.The cold-producing medium that compressed machine 3 compressed circulates in the refrigerant path by indoor condenser 4, triple valve 11, bypass 5c, open and close valve 5b, outdoor heat exchanger 6, gas-liquid separator 9, expansion valve 7 and indoor evaporator 8.The cold-producing medium of the HTHP that compressed machine 3 compressed dispels the heat to air at indoor condenser 4 and outdoor heat exchanger 6 places.Temperature descends cold-producing medium along with heat radiation, and forms low pressure under the effect of expansion valve 7, and this cold-producing medium absorbs heat from air in indoor evaporator 8 then.Thereby the air-supply of passing in air-conditioning box 15 is cooled in indoor evaporator 8, and part or all of this air-supply reheated at indoor condenser 4 places.Thus, the air that will pass in air-conditioning box 15 is controlled to be the cold wind of preferred temperature.
When the warm running of interior circulation heat absorption system, as shown in Figure 8, triple valve 11 switches to and makes cold-producing medium to the 1st bypass 12 side flow, and the flow path reversal valve 34 of gas-liquid separator 9 switches to the 1st switching position.Air blender door 16 switches to for example fully open position.The cold-producing medium that compressed machine 3 compressed circulates in the refrigerant path by indoor condenser 4, triple valve 11, the 1st bypass 12, gas-liquid separator 9, expansion valve 7 and indoor evaporator 8.The cold-producing medium of the HTHP that compressed machine 3 compressed dispels the heat to air in indoor condenser 4.Temperature descends along with heat radiation, absorbs heat from air in indoor evaporator 8 at the cold-producing medium that becomes low pressure under the effect of expansion valve 7.Thereby the air-supply of passing in air-conditioning box 15 is cooled in indoor evaporator 8, and the whole of this air-supply are reheated at indoor condenser 4 places.Thus, the air that will pass in air-conditioning box 15 is controlled to be the hot blast of preferred temperature.
When the warm running of outer circulation heat absorption system, as shown in Figure 9, triple valve 11 switches to and makes cold-producing medium to outdoor heat exchanger 6 side flow, and open and close valve 5b switches to closed condition, and the flow path reversal valve 34 of gas-liquid separator 9 switches to the 2nd switching position.Air blender door 16 switches to for example fully open position.The cold-producing medium that compressed machine 3 compressed circulates in the refrigerant path by indoor condenser 4, triple valve 11, flow controller 5a, outdoor heat exchanger 6, gas-liquid separator 9 and the 2nd bypass 13.The cold-producing medium of the HTHP that compressed machine 3 compressed dispels the heat to air at indoor condenser 4 places.Temperature descends cold-producing medium along with heat radiation, and along with the flow controller 5a by pressure adjustment component 5 becomes low pressure, cold-producing medium absorbs heat from air at outdoor heat exchanger 6 places then.Thereby the air-supply of passing in air-conditioning box 15 is without just having passed this indoor evaporator 8 in the cooling at indoor evaporator 8 places, and 4 places are heated at indoor condenser.Thus, the air that will pass in air-conditioning box 15 is controlled to be the hot blast of preferred temperature.When the warm running of outer circulation heat absorption system, do not bring into play cold-producing medium in the heat-absorbing action at indoor evaporator 8 places, do not cool off air, so can obtain the system warm performance stronger than the warm running of interior circulation heat absorption system.
Next, describe the action of the gas-liquid separator 9 in the above-mentioned operation process in detail.The cold-producing medium that transports via outdoor heat exchanger 6 or the 1st bypass 12 is directed into fluid reservoir 24 from cold-producing medium entrance 25a.Flow into the flow through stream that circles round of cold-producing medium in the fluid reservoir 24 and form on the member 26, the gap between the inner peripheral surface of peripheral part 26a and fluid reservoir 24 forms spiral flow and flows downward.
Shown in the arrow of Fig. 6, spiral flow forms the stream that circles round of cold-producing medium in the bottom of fluid reservoir 24.Circling round of cold-producing medium flowed when contacting with the lopsidedness face 35b that interferes prominent wall 35, and 35b climbs along the inclined plane, passes through from the upper end 35a top of interfering prominent wall 35 then.When the time comes, heavy liquid refrigerant portion C (representing among Fig. 7) precipitation by lopsidedness face 35b side on interfering prominent wall 35 easily.And after the stream that circles round of this cold-producing medium passed through to interfere the upper end 35a of prominent wall 35, the gaseous refrigerant that proportion is little was in floating state, contained the liquid refrigerant of lubricating oil along the inclined plane 35b decline of the opposite side of interfering prominent wall 35.Utilize the mobile change of the above-below direction of this cold-producing medium forcibly to stir cold-producing medium along the vertical direction.Utilize this stirring to make gaseous refrigerant be deposited in the top of fluid reservoir 24, make the liquid refrigerant of sneaking into lubricating oil be deposited in the bottom of fluid reservoir 24.When flow path reversal valve 34 was positioned at the 1st switching position, the liquid refrigerant of sneaking into lubricating oil entered from the 1st peristome 27, after through the 1st access 32, flowed out from the 1st refrigerant outlet 30.On the other hand, when flow path reversal valve 34 was positioned at the 2nd switching position, gaseous refrigerant entered from the 2nd peristome 29, after through the 2nd access 33, flowed out from the 2nd refrigerant outlet 31.
As mentioned above, gas-liquid separator of the present invention comprises: fluid reservoir 24, and it is used for store refrigerant; Refrigerant inlet 25a, it is used for making cold-producing medium to flow into fluid reservoir 24; The 1st peristome 27, it is in the lower openings of fluid reservoir 24; The 2nd peristome 29, it is at the upper opening of fluid reservoir 24; The 1st refrigerant outlet 30, it is used for cold-producing medium is directed to expansion valve 7; The 2nd refrigerant outlet 31, it is used for cold-producing medium is directed to compressor 3; Flow path reversal valve 34, it can switch to and make the 1st switching position that is communicated with between the 1st peristome 27 and the 1st refrigerant outlet 30 and make the 2nd switching position that is communicated with between the 2nd peristome 29 and the 2nd refrigerant outlet 31.
Thereby, the cold-producing medium that flows into from cold-producing medium entrance 25a can be separated into liquid refrigerant and gaseous refrigerant and store in fluid reservoir 24, and suitably switch flow path reversal valve 34, can liquid refrigerant be directed to expansion valve 7 from the 1st refrigerant outlet 30 via the 1st peristome 27 of the bottom of being located at fluid reservoir 24, and via the 2nd peristome 29 on the top of being located at fluid reservoir 24 gaseous refrigerant be directed to compressor 3 from the 2nd refrigerant outlet 31.Thereby, gas-liquid separator 9 has the function of cold-producing medium being separated and distinguishes storing liquid cold-producing medium and gaseous refrigerant, with liquid refrigerant is optionally supplied to expansion valve 7, and gaseous refrigerant is optionally supplied to the function of compressor 3, so can reduce the quantity of constitution equipment, compare with the situation that as in the past, had a plurality of constitution equipments independently, can cutting down cost, weight and the space is set.In addition, the pipe-fitting joint to connecting between constitution equipment needn't be set, connect the number of working processes so can reduce pipe arrangement.
In the present embodiment, flow path reversal valve 34 can reduce the space that arranges of spool 41, so can realize the densification of flow path reversal valve 34 by having the spherical spool 41 that can change switching position along with rotation.
In the present embodiment, after the stream that circles round of cold-producing medium has passed through to interfere the upper end 35a of prominent wall 35, the liquid refrigerant that contains lubricating oil that circles round in flowing descends along the inclined plane 35b that interferes prominent wall 35, so by configuration the 1st peristome 27 in scope B, lubricating oil can be reclaimed more and to compressor 3 conveyings such as grade, above-mentioned scope B is from 3/4 of the scope A of the 1st position P 1 to the 2nd position P2, above-mentioned the 1st position P1 interferes the mode of the upper end 35a predetermined distance of prominent wall 35 to be positioned at the rear of this upper end 35a with distance, and above-mentioned the 2nd position P2 is to interfere the mode of the upper end 35a predetermined distance of prominent wall 35 to be positioned at the place ahead of this upper end 35a apart from next.In addition, when the stream that circles round of cold-producing medium contacts with the inclined plane 35b of a side of interfering prominent wall 35, liquid refrigerant is easily in the portion C precipitation of the root front side of the inclined plane of side 35b, be difficult for reclaiming the lubricating oil in this portion C, so the position of the 1st peristome 27 is limited in the scope B, avoids the 1st peristome 27 is configured in the position of above-mentioned portion C.In addition, circle round stream and the contained lubricating oil of liquid refrigerant of the cold-producing medium in the fluid reservoir 24 are trapped in the outer circumferential side of the bottom of fluid reservoir 24 easily under action of centrifugal force, so can more the lubricating oil self-configuring be directed to the 1st refrigerant outlet 30 at the 1st peristome 27 of the outer circumferential side of the bottom of fluid reservoir 24.
The variation of the bottom of fluid reservoir
In the above-described embodiment, illustration in the bottom of fluid reservoir 24, be that the upper end 22a of lower case 22 arranges the situation of the prominent wall 35 of interference of the cold-producing medium that stirs the stream that circles round along the vertical direction, but the bottom of interfering prominent wall and being formed flatly fluid reservoir can be set also.In this case, the tap hole that flows out for the cold-producing medium in the fluid reservoir in the outer circumferential side configuration of the bottom of fluid reservoir.
The variation of the position of the 2nd refrigerant outlet
In the above-described embodiment, illustration for the layout that improves constitution equipment, vehicle-mounted assembleability, and the driver 42 that will make spool 41 rotations is configured in the situation of the below of lower case 22, but as Figure 11 and shown in Figure 12, also driver 42 can be configured in the side of lower case 22, and the 2nd refrigerant outlet 31 is arranged on the downside of lower case 22, thereby can forms the access 61 that is communicated with between the 2nd peristome 29 and the 2nd refrigerant outlet 31 that makes pipe 28 upper ends as the crow flies.Thus, compare with the situation that access bends halfway, can reduce the pressure loss of cold-producing medium in above-mentioned access 61.
Description of reference numerals
1, air conditioner for motor vehicle; 2, steam compression type refrigerating circulation; 3, compressor; 4, indoor condenser; 6, outdoor heat exchanger; 7, expansion valve (decompression member); 8, indoor evaporator; 9, gas-liquid separator; 24, fluid reservoir; 25a, refrigerant inlet; 27, the 1st peristome; 29, the 2nd peristome; 30, the 1st refrigerant outlet; 31, the 2nd refrigerant outlet; 34, flow path reversal valve; 35, interfere prominent wall; 61, access.
Claims (4)
1. a gas-liquid separator is characterized in that,
This gas-liquid separator (9) comprising:
Fluid reservoir (24), it is used for store refrigerant;
Refrigerant inlet (25a), it is used for making cold-producing medium flow into above-mentioned fluid reservoir (24);
The 1st peristome (27), it is in the lower openings of above-mentioned fluid reservoir (24);
The 2nd peristome (29), it is at the upper opening of above-mentioned fluid reservoir (24);
The 1st refrigerant outlet (30), it is used for cold-producing medium is directed to decompression member (7);
The 2nd refrigerant outlet (31), it is used for cold-producing medium is directed to compressor (3);
Flow path reversal valve (34), it can switch to and make the 1st switching position that is communicated with between above-mentioned the 1st peristome (27) and above-mentioned the 1st refrigerant outlet (30) and make the 2nd switching position that is communicated with between above-mentioned the 2nd peristome (29) and above-mentioned the 2nd refrigerant outlet (31).
2. gas-liquid separator according to claim 1 (9) is characterized in that,
The outstanding prominent wall (35) of interference that is provided with the cold-producing medium that stirs the stream that circles round along the vertical direction in the bottom of above-mentioned fluid reservoir (24), prominent wall (35) assigned position in addition of above-mentioned interference in the bottom of above-mentioned fluid reservoir (24) disposes above-mentioned the 1st peristome (27).
3. gas-liquid separator according to claim 1 and 2 (9) is characterized in that,
Form the access (61) that to be communicated with between above-mentioned the 2nd opening (29) and above-mentioned the 2nd refrigerant outlet (31) as the crow flies.
4. an air conditioner for motor vehicle is characterized in that,
This air conditioner for motor vehicle (1) comprising:
Compressor (3), it is used for compressed refrigerant;
Indoor condenser (4), it is used for making through the cold-producing medium that above-mentioned compressor (3) was compressed and supplies to and carries out heat exchange between the air in the compartment and add hot-air;
Outdoor heat exchanger (6), it is for carrying out heat exchange between the air that makes outside cold-producing medium and the compartment;
Decompression member (7), it is used for cold-producing medium is reduced pressure;
Indoor evaporator (8), it is used for making through the cold-producing medium that above-mentioned decompression member (7) reduced pressure and supplies to and carries out heat exchange between the air in the compartment and cool off air; And
Gas-liquid separator (9);
It is configured in this gas-liquid separator (9) between above-mentioned outdoor heat exchanger (6) and the above-mentioned decompression member (7), has: fluid reservoir (24) is used for store refrigerant;
Refrigerant inlet (25a), it is used for making cold-producing medium flow into above-mentioned fluid reservoir (24);
The 1st peristome (27), it is in the lower openings of above-mentioned fluid reservoir (24);
The 2nd peristome (29), it is at the upper opening of above-mentioned fluid reservoir (24);
The 1st refrigerant outlet (30), it is used for cold-producing medium is directed to decompression member (7);
The 2nd refrigerant outlet (31), it is used for cold-producing medium is directed to compressor (3);
Flow path reversal valve (34), it can switch to and make the 1st switching position that is communicated with between above-mentioned the 1st peristome (27) and above-mentioned the 1st refrigerant outlet (30) and make the 2nd switching position that is communicated with between above-mentioned the 2nd peristome (29) and above-mentioned the 2nd refrigerant outlet (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012006805A JP5911728B2 (en) | 2012-01-17 | 2012-01-17 | Gas-liquid separator and vehicle air conditioner |
| JP2012-006805 | 2012-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103206819A true CN103206819A (en) | 2013-07-17 |
| CN103206819B CN103206819B (en) | 2015-04-08 |
Family
ID=48754123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210546515.2A Expired - Fee Related CN103206819B (en) | 2012-01-17 | 2012-12-14 | Gas-liquid separator and vehicle air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5911728B2 (en) |
| CN (1) | CN103206819B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110580A (en) * | 2014-12-25 | 2017-08-29 | 株式会社电装 | Refrigerating circulatory device |
| CN109996691A (en) * | 2016-12-01 | 2019-07-09 | 康奈可关精株式会社 | Air-conditioning device |
| CN109996690A (en) * | 2016-12-01 | 2019-07-09 | 康奈可关精株式会社 | Gas-liquid separator |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6191642B2 (en) | 2015-03-25 | 2017-09-06 | コニカミノルタ株式会社 | Optional equipment for electrical equipment |
| JP6496434B1 (en) * | 2017-10-02 | 2019-04-03 | カルソニックカンセイ株式会社 | Air conditioner |
| US11267315B2 (en) | 2017-10-02 | 2022-03-08 | Marelli Cabin Comfort Japan Corporation | Air-conditioning device |
| JP6606253B2 (en) * | 2018-10-31 | 2019-11-13 | マレリ株式会社 | Gas-liquid separator |
| JP6606254B2 (en) * | 2018-10-31 | 2019-11-13 | マレリ株式会社 | Gas-liquid separator |
| JP7439658B2 (en) | 2020-06-30 | 2024-02-28 | 株式会社デンソー | Refrigeration cycle equipment |
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- 2012-12-14 CN CN201210546515.2A patent/CN103206819B/en not_active Expired - Fee Related
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| US5184480A (en) * | 1991-12-23 | 1993-02-09 | Ford Motor Company | Accumulator for vehicle air conditioning system |
| US6035653A (en) * | 1997-04-17 | 2000-03-14 | Denso Corporation | Air conditioner |
| JP2000009366A (en) * | 1998-04-24 | 2000-01-14 | Daiyu:Kk | Flow path switching device for working medium in cooling-heating device and accumulator provided therewith |
| JP2000203249A (en) * | 1999-01-13 | 2000-07-25 | Denso Corp | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110580A (en) * | 2014-12-25 | 2017-08-29 | 株式会社电装 | Refrigerating circulatory device |
| CN107110580B (en) * | 2014-12-25 | 2019-08-13 | 株式会社电装 | Refrigerating circulatory device |
| CN109996691A (en) * | 2016-12-01 | 2019-07-09 | 康奈可关精株式会社 | Air-conditioning device |
| CN109996690A (en) * | 2016-12-01 | 2019-07-09 | 康奈可关精株式会社 | Gas-liquid separator |
| CN109996690B (en) * | 2016-12-01 | 2022-05-17 | 马瑞利(中国)汽车空调有限公司 | Gas-liquid separator |
| CN109996691B (en) * | 2016-12-01 | 2022-07-26 | 马瑞利(中国)汽车空调有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103206819B (en) | 2015-04-08 |
| JP5911728B2 (en) | 2016-04-27 |
| JP2013148229A (en) | 2013-08-01 |
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