CN209623154U - Compressor oil-control system and air conditioner - Google Patents
Compressor oil-control system and air conditioner Download PDFInfo
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- CN209623154U CN209623154U CN201920118054.6U CN201920118054U CN209623154U CN 209623154 U CN209623154 U CN 209623154U CN 201920118054 U CN201920118054 U CN 201920118054U CN 209623154 U CN209623154 U CN 209623154U
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Abstract
The utility model relates to air-conditioning technical fields, disclose a kind of compressor oil-control system and the air conditioner including the compressor oil-control system, compressor oil-control system includes: compressor, the first oil eliminator and the second oil eliminator, the air inlet of first oil eliminator is connect with the exhaust outlet of the compressor, the gas outlet of first oil eliminator is connect with the air inlet of second oil eliminator, the gas outlet of second oil eliminator is connect by a gas bypass pipe with the suction inlet of the compressor, and the gas bypass pipe is equipped with solenoid valve.The utility model has the following beneficial effects: can rationally utilize installation space that can meet installation requirements under the premise of meeting the volume of oil eliminator；And can effectively reduce the oil spitting amount of compressor, guarantee the oil reserve inside compressor body；Furthermore shutdown, frequency limit phenomenon as caused by hypotony inside compressor can be prevented, decompression protection can be carried out when compressor internal pressure is excessively high.
Description
Technical field
The utility model relates to air-conditioning technical fields, more particularly to a kind of compressor oil-control system and including the oil-control system
The air conditioner of system.
Background technique
Air conditioner generally include compressor, oil eliminator, four-way reversing valve, liquid storage device, outdoor heat exchanger, throttling set and
Indoor heat exchanger, in refrigeration mode, outdoor heat exchanger is condenser, and indoor heat exchanger is evaporator, in heating mode, room
External heat exchanger is evaporator, and indoor heat exchanger is condenser；The exhaust outlet of compressor is connected to the entrance of oil eliminator, oil separation
The bottom of device is connected to by oil return pipe with the suction inlet of compressor, and oil return pipe is equipped with throttling set, the outlet of oil eliminator
It mouthful is connected to the first valve port of four-way reversing valve, the oil-control to compressor can be realized by oil eliminator, the of four-way reversing valve
Two valve ports are connected to one end of outdoor heat exchanger, and the other end of outdoor heat exchanger is connected to one end of indoor heat exchanger, and are expanded
Valve is set between indoor heat exchanger and outdoor heat exchanger, and the other end of indoor heat exchanger and the third valve port of four-way reversing valve connect
Logical, the 4th valve port of four-way reversing valve is connected to one end of liquid storage device, and the other end of liquid storage device is connected to the suction inlet of compressor.
It is operated normally in use process in air conditioner, the oil with refrigerant circulating in pipeline, in compressor
It is synchronous to participate in circulation, and the oily internal circulating load of discharge superheat and compressor is inversely proportional, the degree of superheat is lower, the oily internal circulating load of compressor
It is bigger.Because system is big with pipe range, coolant quantity demand, the oil eliminator of big volume is needed to guarantee oil storage sufficient inside compressor
Amount；In addition, the prior art is difficult quickly to establish discharge superheat under the startup stage of air conditioner or ultralow temperature heating condition
Degree, so that the refrigerator oil in compressor is lost in entire circulation line with refrigerant, causes compressor to be transported under oil starvation state
Row, the machine core of compressor, which is lost, to be increased, reduced service life, or even is directly resulted in it and burnt out.To solve this problem, it needs to install
The sufficiently large oil eliminator of volume just can guarantee the oil reserve demand inside compressor, but due to the limitation of installation space, oil
Volume from device is restricted.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of compressor oil-control system is provided and there is the control
The air conditioner of oil system, can flexible adaptation installation space facilitate oil under the premise of ensuring the dischargeable capacity of oil-control system
Installation and disassembly from device, and discharge superheat can be quickly established in ultralow temperature heating condition or startup stage, guarantee compression
The oil reserve of machine body interior is sufficient.
To achieve the goals above, the utility model first aspect provides a kind of compressor oil-control system comprising: compression
Machine, the first oil eliminator and the second oil eliminator, the air inlet of first oil eliminator and the exhaust outlet of the compressor connect
It connects, the gas outlet of first oil eliminator is connect with the air inlet of second oil eliminator, second oil eliminator
Gas outlet is connect by a gas bypass pipe with the suction inlet of the compressor, and the gas bypass pipe is equipped with solenoid valve.
Preferably, the volume of first oil eliminator is greater than or equal to the volume of second oil eliminator.
Preferably, the ratio range of the volume of the volume of first oil eliminator and second oil eliminator
For 1-2.5.
Preferably, the compressor oil-control system further includes the first oil return pipe, one end of first oil return pipe
It is connected in parallel to the first pipeline and the second pipeline, one end of first oil return pipe is respectively by first piping connection in institute
State the bottom of the first oil eliminator and by second piping connection in the bottom of second oil eliminator, described first
The other end of oil return pipe is connect with the suction inlet of the compressor, and first oil return pipe is equipped with throttling set.
Preferably, the throttling set is capillary or expansion valve.
Preferably, the compressor oil-control system further includes the second oil return pipe, one end of second oil return pipe
It is connected in parallel to third pipeline and the 4th pipeline, one end of second oil return pipe is respectively by the third piping connection in institute
State the bottom of the first oil eliminator and by the 4th piping connection in the bottom of second oil eliminator, described second
The other end of oil return pipe is connect with the suction inlet of the compressor, and second oil return pipe is equipped with valve.
Preferably, first pressure sensor, second oil eliminator are equipped at the suction inlet of the compressor
Gas outlet at be equipped with second pressure sensor.
Same purpose, the second aspect of the utility model provide another compressor oil-control system comprising: compression
Machine, the first oil eliminator and the second oil eliminator, the air inlet of the air inlet of first oil eliminator, second oil eliminator
Mouthful connect with the exhaust outlet of the compressor, and the gas outlet of first oil eliminator and second oil eliminator out
The 5th pipeline is connected between port, the 5th pipeline is connect by a gas bypass pipe with the suction inlet of the compressor,
And the gas bypass pipe is equipped with solenoid valve.
Preferably, the compressor oil-control system further includes the first oil return pipe, one end of first oil return pipe
It is connected in parallel to the first pipeline and the second pipeline, first oil return pipe is respectively by first piping connection in described first
The bottom of oil eliminator and by second piping connection in the bottom of second oil eliminator, first oil return pipe
The other end connect with the suction inlet of the compressor, and first oil return pipe be equipped with throttling set.
Preferably, the compressor oil-control system further includes the second oil return pipe, one end of second oil return pipe
It is connected in parallel to third pipeline and the 4th pipeline, second oil return pipe is respectively by the third piping connection in described first
The bottom of oil eliminator and by the 4th piping connection in the bottom of second oil eliminator, second oil return pipe
The other end connect with the suction inlet of the compressor, and second oil return pipe be equipped with valve.
Similarly, third aspect present invention also provides a kind of air conditioner comprising compressor control described in any of the above embodiments
Oil system.
Compared with prior art, the utility model has the beneficial effects that:
(1) two oil eliminators are set by the exhaust ports in compressor, two oil eliminators are using series connection or simultaneously
The mode of connection connects, can be rationally using installation space to divide in the case where installation space is inadequate or space is relatively scattered
Not An Zhuan two oil eliminators can meet installation requirements under the premise of meeting the volume of oil eliminator；
(2) setting gas bypass pipe is connected at the gas outlet of total oil eliminator and the suction inlet of compressor, can will be from total
Oil eliminator gas outlet at part high temperature and pressure cold media gas be transmitted back in compressor, quickly establish discharge superheat,
The oil spitting amount of compressor is reduced, guarantees the oil reserve inside compressor body；In addition, the pressure mistake inside compressor can also be prevented
Low phenomena such as causing air-conditioning system protective device to judge by accident and generate shutdown, frequency limit；Furthermore the hypertonia inside compressor
When, bypath air pipe can carry out decompression protection to compressor.
Detailed description of the invention
Fig. 1 is a kind of compressor oil-control system and the air conditioner including the oil-control system in the utility model embodiment one
Structural schematic diagram；
Fig. 2 is a kind of compressor oil-control system and the air conditioner including the oil-control system in the utility model embodiment two
Structural schematic diagram.
In figure, 10, compressor；20, the first oil eliminator；30, the second oil eliminator；40, gas bypass pipe；41, electromagnetism
Valve；50, the first oil return pipe；51, the first pipeline；52, the second pipeline；53, capillary；60, the second oil return pipe；61, third pipeline；
62, the 4th pipeline；63, valve；70, outdoor heat exchanger；80, indoor heat exchanger；90, expansion valve；100, four-way reversing valve；200,
Liquid storage device；300, the 5th pipeline.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that using term " first ", " second " etc. in the utility model
Various information are described, but these information should not necessarily be limited by these terms, these terms are only used to same type of information each other
It distinguishes.For example, " first " information can also be referred to as " second " information in the case where not departing from the scope of the utility model,
Similar, " second " information can also be referred to as " first " information.
Embodiment one:
As shown in Figure 1, on the one hand the present embodiment provides a kind of compressor oil-control system comprising: the 10, first oil of compressor
Separator 20 and the second oil eliminator 30, the air inlet of first oil eliminator 20 are connect with the exhaust outlet of compressor 10, institute
The gas outlet for stating the first oil eliminator 20 is connect with the air inlet of second oil eliminator 30, second oil eliminator 30
Gas outlet is connect by a gas bypass pipe 40 with the suction inlet of the compressor 10, and the gas bypass pipe 40 is equipped with electricity
Magnet valve 41.
Based on the above-mentioned technical proposal, a kind of compressor oil-control system is provided in the present embodiment, passes through the row in compressor 10
It is arranged in series the first oil eliminator 20 and the second oil eliminator 30 at port, be limited in assembly space and big volume oil can not be assembled
In the case where separator, space that can be originally scattered in effective use system using the oil eliminator of two-stage type makes oil eliminator
Total measurement (volume) it is sufficiently large to guarantee the oil reserve demand inside compressor 10；In addition, by the oil eliminator of two-stage type and level-one formula
Big volume oil eliminator compare, be equal in the volume addition of the volume and the second oil eliminator 30 of the first oil eliminator 20 big
In the case where the volume of volume oil eliminator, the oil-control effect of the oil eliminator of two-stage type is even more ideal；For example, compared to use
For the oil eliminator of one 1L volume, the exhaust outlet of compressor 10 is arranged in series in using the oil eliminator of two 0.5L volumes
It is shorter in the minimum liquefaction face duration below inside compressor 10 when place.
In addition, gas bypass pipe 40 is drawn at the gas outlet of the second oil eliminator 30, so that from second in the present embodiment
The part high temperature and pressure cold media gas that oil eliminator 40 comes out is transmitted back in compressor 10 through gas bypass pipe 40.On the one hand, energy
It is enough quickly to establish discharge superheat, to reduce the oil spitting amount of compressor 10, especially compressor 10 can be made to start for the first time
Or when running under extreme conditions, it is ensured that the oil reserve of 10 body interior of compressor is sufficient；In addition, compressor 10 can be improved
Under startup stage or ultralow temperature heating condition, the case where internal low-voltage hypotony, prevent compressor 10 due to pressure
Too low shutdown, frequency limit phenomenon caused by causing the erroneous judgement of air-conditioning system protective device；Furthermore when hypertonia in compressor 10
When, additionally it is possible to decompression protection is carried out to compressor 10.
In the present embodiment, in order to further increase oil-control effect, the volume of first oil eliminator 20 be greater than or
Equal to the volume of second oil eliminator 30.Illustratively, the volume of the first oil eliminator 20 uses 0.6L, the second oil separation
The volume of device 30 uses 0.4L, and the minimum liquefaction face retention time below of compressor 10 can control in 2min at this time,
It may conform to compressor SPEC requirement.
Preferably, in the present embodiment, the volume of the volume of first oil eliminator 20 and second oil eliminator 30
Ratio range be 1-2.5, can be realized optimal oil-control effect in this ratio range.
In order to meet oil return demand basic when compressor 10 is run, the compressor oil-control system in the present embodiment is also
Including the first oil return pipe 50, one end of first oil return pipe 50 is connected in parallel to the first pipeline 51 and the second pipeline 52, described
One end of first oil return pipe 50 passes through first pipeline 51 respectively and is connected to the bottom of first oil eliminator 20 and passes through
Second pipeline 52 is connected to the other end and the compressor of the first oil return pipe of bottom 50 of second oil eliminator 30
10 suction inlet connection, and first oil return pipe 50 is equipped with throttling set；In this way, from the first oil eliminator 20 and the second oil
The liquid that separator 30 is isolated can be flow back into compressor 10 through the first oil return pipe 50.
Illustratively, the throttling set is preferably capillary 53；Alternatively, throttling set can also be arranged
For expansion valve.
In the present embodiment, in order to realize that the purpose of quick oil return, compressor oil-control system further include the second oil return pipe
60, one end of second oil return pipe 60 is connected in parallel to third pipeline 61 and the 4th pipeline 62, second oil return pipe 60
One end is connected to the bottom of first oil eliminator 20 by the third pipeline 61 respectively and by the 4th pipeline 62
It is connected to the bottom of second oil eliminator 60, the suction inlet of the other end of second oil return pipe 60 and the compressor 10
Connection, and second oil return pipe 60 is equipped with valve 63；By the on-off of control valve 63, thus the second oil return pipe 60 of control
On-off.Illustratively, valve 63 can be solenoid valve, or flow control valve is also adjustable by flow control valve
The uninterrupted of oil return.
Further, in the present embodiment, first pressure sensor (attached drawing is equipped at the suction inlet of the compressor 10
In be not shown), be equipped with second pressure sensor (attached to be not shown in the figure) at the gas outlet of second oil eliminator 30.
In view of this, monitoring the pressure at the suction inlet of compressor 10 by the first pressure sensor moment in the present embodiment
Force value, when hypotony at the suction inlet of compressor 10, first pressure sensor automatically controls solenoid valve 41 and opens, gas
Bypass pipe 40 is connected, and the part refrigerant at the gas outlet of the second oil eliminator 30 is made to flow back into compressor 10 through gas bypass pipe 40
It is interior, prevent compressor 10 due to hypotony cause air-conditioning system protective device judge by accident and occur shut down, frequency limit phenomena such as；Separately
Outside, the pressure value at the gas outlet of the second oil eliminator 30 is monitored by the second pressure sensor moment, when the second oil eliminator
When pressure at 30 gas outlet is excessive, second pressure sensor automatically controls solenoid valve 41 and opens, and gas bypass pipe 40 is connected
Afterwards, the decompression protection to compressor 10 is realized.
The another aspect of the present embodiment also provides a kind of air conditioner comprising compressor oil-control described in any of the above embodiments system
System.
More specifically, please continue to refer to shown in attached drawing 1, air conditioner further includes outdoor heat exchanger 70, indoor heat exchanger 80, swollen
Swollen valve 90, four-way reversing valve 100 and liquid storage device 200, in refrigeration mode, outdoor heat exchanger 70 is condenser, indoor heat exchanger
80 be evaporator, and in heating mode, outdoor heat exchanger 70 is evaporator, and indoor heat exchanger 80 is condenser；Compressor 10
Exhaust outlet is connected to the air inlet of the first oil eliminator 20, and the of the gas outlet of the second oil eliminator 30 and four-way reversing valve 100
The connection of one valve port, the second valve port of four-way reversing valve 100 is connected to one end of outdoor heat exchanger 70, outdoor heat exchanger 70 it is another
End is connected to one end of indoor heat exchanger 80, and expansion valve 90 is set between indoor heat exchanger 80 and outdoor heat exchanger 70, indoor
The other end of heat exchanger 70 is connected to the third valve port of four-way reversing valve 100, the 4th valve port and liquid storage device of four-way reversing valve 100
200 one end connection, the other end of liquid storage device 200 are connected to the suction inlet of compressor 10.
Just start in certain time in air conditioner, has detected the environment temperature around the outdoor heat exchanger 70 of air conditioner, work as inspection
After the temperature value measured is lower than preset temperature value, the solenoid valve 41 in gas bypass pipe 40 is opened, it will be by the second oil eliminator 30
The part refrigerant that comes out of gas outlet returned in compressor 10 through gas bypass pipe 40, open by after a certain period of time, close
Solenoid valve 41.Thereby, it is possible to quickly establish discharge superheat, the oil spitting amount of compressor 10 is greatly reduced, guarantees 10, compressor
The oil reserve in internal portion is sufficient.
In addition, just having started in certain time in order to further quickly establish discharge superheat in air conditioner, detection is empty
The discharge superheat for adjusting the environment temperature and air conditioner around the outdoor heat exchanger 70 of device, when the temperature value detected is lower than default
Temperature value, and when discharge superheat is also below default super heat value, the solenoid valve 41 in gas bypass pipe 40 is opened, it will be by second
The part refrigerant that the gas outlet of oil eliminator 30 comes out returns in compressor 10 through gas bypass pipe 40, until the row detected
The gas degree of superheat is to close solenoid valve 41 greater than default super heat value.
Further, in this embodiment by the oil reserve inside detection compressor 10 come the unlatching of control valve 63 or
It closes, when the oil reserve detected is lower than preset liquid level, Open valve 63 will be by the first oil eliminator 20 and the second oil
Liquid out separated from device 30 returns in compressor 10 through the second oil return pipe 60, until the oil reserve detected reaches default
When high liquid level, valve 63 is closed, to reach quick oil return.
Include above-mentioned compressor oil-control system by air conditioner in this present embodiment, therefore there is compressor oil-control system
Whole beneficial effects, do not state one by one herein.
Embodiment two:
The first aspect of the present embodiment provides a kind of compressor oil-control system, with the compressor oil-control system in embodiment one
The difference of system is only that: the series system of the first oil eliminator 20 and the second oil eliminator 20 is substituted for parallel way.
Specifically, please referring to the compressor oil-control system shown in attached drawing 2, in the present embodiment includes the 10, first oil of compressor
Separator 20 and the second oil eliminator 30, the air inlet of the air inlet of first oil eliminator 20, second oil eliminator 30
Mouth is connect with the exhaust outlet of compressor 10, and the gas outlet of first oil eliminator 20 and second oil eliminator 30
The 5th pipeline 300 is connected between gas outlet, the 5th pipeline 300 passes through a gas bypass pipe 40 and the compressor 10
Suction inlet connection, and the gas bypass pipe 40 is equipped with solenoid valve 41.By the way that two oil eliminators are connected in parallel in compression
The exhaust ports of machine 10 can rationally utilize scattered assembly space under the premise of meeting the volume of oil eliminator.
Further, in this embodiment compressor oil-control system equally further include the first oil return pipe 50, described first time
One end of oil pipe 50 is connected in parallel to the first pipeline 51 and the second pipeline 52, and first oil return pipe 50 passes through described first respectively
Pipeline 51 is connected to the bottom of first oil eliminator 20 and is connected to second oil by second pipeline 52 and separates
The bottom of device 30, the other end of first oil return pipe 50 are connect with the suction inlet of the compressor 10, and first oil return
Pipe 50 is equipped with throttling set.
Preferably, compressor oil-control system further include with the second oil return pipe 60, the one of second oil return pipe 60
End is connected in parallel to third pipeline 61 and the 4th pipeline 62, and second oil return pipe 60 is connected by the third pipeline 61 respectively
It is connected in the bottom of first oil eliminator 20 and by the 4th pipeline 62 bottom of second oil eliminator 30
Portion, the other end of second oil return pipe 60 are connect with the suction inlet of the compressor 10, and are set on second oil return pipe 60
There is valve 63；It just can be realized quick oil return when opening the valve 63.
Similarly purpose, the another aspect of the present embodiment also provide a kind of air conditioner comprising above-mentioned compressor oil-control
System.
Specifically, multiple as shown in fig.2, the air conditioner further includes outdoor heat exchanger 70, indoor heat exchanger 80, expansion valve
90, four-way reversing valve 100 and liquid storage device 200；The exhaust outlet of compressor 10 entrance and second with the first oil eliminator 20 respectively
The gas outlet of oil eliminator 30 is connected to, after the gas outlet of the first oil eliminator 20 is connected to the gas outlet of the second oil eliminator 30,
It is connected to the first valve port of four-way reversing valve 100, the second valve port of four-way reversing valve 100 and one end of outdoor heat exchanger 70 connect
Logical, the other end of outdoor heat exchanger 70 be connected to one end of indoor heat exchanger 80, and expansion valve 90 set on indoor heat exchanger 80 and
Between outdoor heat exchanger 70, the other end of indoor heat exchanger 80 is connected to the third valve port of four-way reversing valve 100, four-way reversing valve
100 the 4th valve port is connected to one end of liquid storage device 200, and the other end of liquid storage device 200 is connected to the suction inlet of compressor 10.
To sum up, the utility model embodiment provides a kind of compressor oil-control system and the air conditioner including the oil-control system,
It include two oil eliminators in compressor oil-control system, two oil eliminators are connected to compression by the way of in series or in parallel
The exhaust ports of machine can meet assembly demand under the premise of guaranteeing oil reserve sufficient inside compressor, more reasonably sharp
With scattered assembly space；In addition, setting gas bypass pipe is connected to the gas outlet of total oil eliminator and the suction inlet of compressor,
Discharge superheat can be quickly established, guarantees the oil reserve inside compressor, and the pressure inside compressor can be prevented simultaneously
Too low caused shutdown, frequency limit phenomenon, when hypertonia inside compressor, carry out pressure release.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (11)
1. a kind of compressor oil-control system characterized by comprising compressor, the first oil eliminator and the second oil eliminator, institute
The air inlet for stating the first oil eliminator is connect with the exhaust outlet of the compressor, the gas outlet of first oil eliminator with it is described
The air inlet of second oil eliminator connects, and the gas outlet of second oil eliminator passes through a gas bypass pipe and the compressor
Suction inlet connection, and the gas bypass pipe be equipped with solenoid valve.
2. compressor oil-control system as described in claim 1, which is characterized in that the volume of first oil eliminator be greater than or
Equal to the volume of second oil eliminator.
3. compressor oil-control system as claimed in claim 2, which is characterized in that the volume of first oil eliminator with it is described
The ratio range of the volume of second oil eliminator is 1-2.5.
4. compressor oil-control system as described in claim 1, which is characterized in that it further include the first oil return pipe, described first time
One end of oil pipe is connected in parallel to the first pipeline and the second pipeline, and one end of first oil return pipe passes through described first respectively and manages
Road is connected to the bottom of first oil eliminator and by second piping connection in the bottom of second oil eliminator
The other end in portion, first oil return pipe is connect with the suction inlet of the compressor, and first oil return pipe is equipped with throttling
Device.
5. compressor oil-control system as claimed in claim 4, which is characterized in that the throttling set is capillary or expansion
Valve.
6. compressor oil-control system as claimed in claim 4, which is characterized in that it further include the second oil return pipe, described second time
One end of oil pipe is connected in parallel to third pipeline and the 4th pipeline, and one end of second oil return pipe passes through the third pipe respectively
Road is connected to the bottom of first oil eliminator and by the 4th piping connection in the bottom of second oil eliminator
The other end in portion, second oil return pipe is connect with the suction inlet of the compressor, and second oil return pipe is equipped with valve.
7. compressor oil-control system as described in claim 1, which is characterized in that be equipped with first at the suction inlet of the compressor
Pressure sensor is equipped with second pressure sensor at the gas outlet of second oil eliminator.
8. a kind of compressor oil-control system characterized by comprising compressor, the first oil eliminator and the second oil eliminator, institute
The air inlet of the air inlet, second oil eliminator of stating the first oil eliminator is connect with the exhaust outlet of the compressor, and
It is connected with the 5th pipeline between the gas outlet of first oil eliminator and the gas outlet of second oil eliminator, the described 5th
Pipeline is connect by a gas bypass pipe with the suction inlet of the compressor, and the gas bypass pipe is equipped with solenoid valve.
9. compressor oil-control system as claimed in claim 8, which is characterized in that it further include the first oil return pipe, described first time
One end of oil pipe is connected in parallel to the first pipeline and the second pipeline, and first oil return pipe passes through first piping connection respectively
In the bottom of first oil eliminator and by second piping connection in the bottom of second oil eliminator, it is described
The other end of first oil return pipe is connect with the suction inlet of the compressor, and first oil return pipe is equipped with throttling set.
10. compressor oil-control system as claimed in claim 9, which is characterized in that it further include the second oil return pipe, described second time
One end of oil pipe is connected in parallel to third pipeline and the 4th pipeline, and second oil return pipe passes through the third piping connection respectively
In the bottom of first oil eliminator and by the 4th piping connection in the bottom of second oil eliminator, it is described
The other end of second oil return pipe is connect with the suction inlet of the compressor, and second oil return pipe is equipped with valve.
11. a kind of air conditioner, which is characterized in that including the described in any item compressor oil-control systems of such as claim 1-10.
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| CN201920118054.6U CN209623154U (en) | 2019-01-23 | 2019-01-23 | Compressor oil-control system and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208520A1 (en) * | 2020-04-14 | 2021-10-21 | 青岛海尔空调器有限总公司 | Oil return control method for compressor of air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208520A1 (en) * | 2020-04-14 | 2021-10-21 | 青岛海尔空调器有限总公司 | Oil return control method for compressor of air conditioner |
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