CN106091494B - Compressor oil storage component, air conditioner and its control method - Google Patents
Compressor oil storage component, air conditioner and its control method Download PDFInfo
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- CN106091494B CN106091494B CN201610382550.3A CN201610382550A CN106091494B CN 106091494 B CN106091494 B CN 106091494B CN 201610382550 A CN201610382550 A CN 201610382550A CN 106091494 B CN106091494 B CN 106091494B
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- compressor
- oil
- oil storage
- solenoid valve
- storage tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off valves
Abstract
The invention discloses a kind of compressor oil storage components, including compressor and oil storage tank, the compressor is equipped with oil discharge outlet, and the oil storage tank is equipped with oil inlet and oil outlet, by the first pipeline connection between the oil discharge outlet and the oil inlet, and first pipeline is equipped with the first solenoid valve；By the second pipeline connection between the oil outlet and the gas returning port of the compressor, and second pipeline is equipped with second solenoid valve.The invention also discloses a kind of air conditioner and its control methods.The present invention can be in compressor shutdown; the higher refrigeration oil of concentration in compressor is stored to oil storage tank in time; and when compressor is switched on again; the higher refrigeration oil of concentration in oil storage tank can be supplied to compressor in time, efficiently avoid compressor and the phenomenon that oil starvation occur after long-term shut down.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of compressor oil storage components, air conditioner and its control method.
Background technique
For the compressor of air conditioner when shutting down, under the sucking action of the refrigeration oil inside compressor, refrigerant can be to compression
Mobile inside machine, compressor can gather a large amount of refrigerant.When being restarted again after compressor is shut down for a long time, accumulation in compressor
A large amount of refrigerant the refrigeration oil inside compressor can be taken away during heat exchange cycle, to cause compressor oil starvation.
Summary of the invention
The main purpose of the present invention is to provide a kind of compressor oil storage component, air conditioner and its control methods, it is intended to solve
The technical issues of certainly compressor is easy oil starvation after long-term shut down.
Compressor oil storage component provided by the invention includes compressor and oil storage tank, and the compressor is equipped with oil discharge outlet,
The oil storage tank is equipped with oil inlet and oil outlet, by the first pipeline connection between the oil discharge outlet and the oil inlet, and
First pipeline is equipped with the first solenoid valve；Connected between the oil outlet and the gas returning port of the compressor by the second pipeline
It is logical, and second pipeline is equipped with second solenoid valve.
Preferably, the oil discharge outlet is less than the half of the compressor height relative to the height of the compression motor spindle.
Preferably, the oil discharge outlet is higher than the top of the cylinder inside the compressor.
Preferably, the diameter of first pipeline is less than or equal to the diameter of the exhaust outlet of the compressor.
In addition, the present invention further provides air conditioner include compressor oil storage component, the compressor oil storage component packet
Compressor and oil storage tank are included, the compressor is equipped with oil discharge outlet, and the oil storage tank is equipped with oil inlet and oil outlet, the row
By the first pipeline connection between hydraulic fluid port and the oil inlet, and first pipeline is equipped with the first solenoid valve；It is described fuel-displaced
By the second pipeline connection between mouth and the gas returning port of the compressor, and second pipeline is equipped with second solenoid valve.
In addition, the present invention further provides the control method of air conditioner include:
When receiving stopping signal, controls the second solenoid valve closing and first solenoid valve is opened, so that institute
State oil storage tank oil storage in the compressor shutdown；
When the oil storage tank during the compressor shutdown complete by oil storage, first solenoid valve is closed；
When receiving starting-up signal, controls the second solenoid valve and open, so that the oil storage tank is drained the oil.
Preferably, before the step of controlling the second solenoid valve closing and first solenoid valve is opened, the control
Method processed further include:
It controls the first solenoid valve closing and the second solenoid valve opens the first preset duration, so that the oil storage
Tank switches to negative pressure state.
Preferably, described when receiving starting-up signal, after controlling the step of second solenoid valve is opened, the control
Method processed further include:
The oil storage tank drain the oil complete when, close the second solenoid valve.
Preferably, the control method further include:
In compressor operation, the discharge superheat of the compressor is calculated；
When the discharge superheat is persistently greater than preset threshold and reaches the second preset duration, the second solenoid valve is controlled
It closes and first solenoid valve is opened, so that oil storage tank oil storage during the compressor is run；
When the oil storage tank during compressor operation complete by oil storage, first solenoid valve is closed.
Preferably, the second solenoid valve closing and first solenoid valve opening are being controlled, so that the oil storage tank exists
During the compressor operation the step of oil storage before, the control method further include:
It controls the first solenoid valve closing and the second solenoid valve opens third preset duration, so that the oil storage
Tank switches to negative pressure state.
Compressor oil storage component, air conditioner and its control method provided by the invention by when receiving stopping signal,
It controls that the second solenoid valve is closed and first solenoid valve is opened, makes refrigeration oil in the compressor via described the
One pipeline flows into the oil storage tank, to control oil storage tank oil storage when shutting down, and stores up in the oil storage tank when shutting down
When oil is completed, first solenoid valve is closed, and when receiving starting-up signal, controls the second solenoid valve and open, make institute
The refrigeration oil stated in oil storage tank flows into the compressor via second pipeline, is drained the oil with controlling the oil storage tank, thus
The higher refrigeration oil of concentration in compressor can be stored to oil storage tank in time in compressor shutdown, and compressor again
When secondary booting, the higher refrigeration oil of concentration in oil storage tank can be supplied to compressor in time, efficiently avoid compressor and exist
There is the phenomenon that oil starvation after long-term shutdown.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of compressor oil storage component of the present invention；
Fig. 2 is the flow diagram of the control method first embodiment of the air condition of that present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of compressor oil storage component, is applied in air conditioner.Referring to Fig.1, Fig. 1 is compressor of the present invention
The structural schematic diagram of one embodiment of oil storage component.The compressor oil storage component includes compressor 100 and oil storage tank 200, described
Compressor 100 is equipped with oil discharge outlet 110, and the oil storage tank 200 is equipped with oil inlet 210 and oil outlet 220, the oil discharge outlet
It is connected between 110 and the oil inlet 210 by the first pipeline 300, and first pipeline 300 is equipped with the first solenoid valve
400；It is connected between the oil outlet 220 and the gas returning port 120 of the compressor 100 by the second pipeline 500, and described second
Pipeline 500 is equipped with second solenoid valve 600.
In the present embodiment, the oil discharge outlet 110 of compressor 100, the first pipeline 300, the oil inlet 210 of oil storage tank 200, storage
The gas returning port 120 of the oil outlet 220 of oil tank 200, the second pipeline 500 and compressor 100 is sequentially communicated, forming circuit.
Optionally, the first solenoid valve 400 and second solenoid valve 600 are connect with the controller of air conditioner, and controller can be with
It controls the first solenoid valve 400 and second solenoid valve 600 opens and closes.
Optionally, controller can control the second solenoid valve 600 and close and described when receiving stopping signal
First solenoid valve 400 is opened, and the refrigeration oil in the compressor 100 is made to flow into the oil storage tank via first pipeline 300
In 200, to control the oil storage tank 200 oil storage when the compressor 100 is shut down；
When the oil storage tank 200 during the compressor 100 is shut down complete by oil storage, first solenoid valve is closed
400；
When receiving starting-up signal, controls the second solenoid valve 600 and open, make the freezing in the oil storage tank 200
Oil flows into the compressor 100 via second pipeline 500, so that the oil storage tank 200 is drained the oil.
In the present embodiment, controller can be considered when detecting that compressor 100 is shut down and have received stopping signal；
Or controller can be considered when receiving the off signal of user's transmission and have received stopping signal.In the first solenoid valve
When 400 opening, under the high pressure effect inside compressor 100, the refrigeration oil inside compressor 100 can be made to pass through oil discharge outlet
110 flow into oil storage tank 200, so that oil storage tank 200 being capable of the oil storage when shutting down.
When controller receives stopping signal, the closing of second solenoid valve 600 and first solenoid valve are controlled
When 400 five preset duration of opening, that is, it can be considered that the oil storage when shutting down of oil storage tank 200 is completed；Or it can also be in oil storage tank 200
Interior setting oil level detecting device detects the oil reserve in oil storage tank 200 by oil level detecting device, detects in oil level detecting device
When reaching default oil mass to the oil reserve in oil storage tank 200, that is, it can be considered that oil storage is completed.Oil level detecting device for example may include
Float in oil storage tank 200 and set on 200 top of oil storage tank close to switch, close to switch according between float and its
Apart from the automatic on or off of size.
When compressor 100 is switched on again, first solenoid valve 400 is in close state, while controlling the second electromagnetism
Valve 600 is opened.Under the suction function of the gas returning port 120 of compressor 100, the refrigeration oil in oil storage tank 200 can be made via
Two pipelines 500 flow into compressor 100, so that the refrigeration oil in oil storage tank 200 be made to be back to inside compressor 100 again, prevent
The phenomenon that compressor 100 is easy oil starvation after long-term shut down generation is stopped.
In the present embodiment, in 100 stable operation of compressor, the oil temperature of the refrigeration oil of 100 bottom of compressor is bigger, cold
The concentration of frozen oil can be bigger, when compressor 100 is shut down, the biggish refrigeration oil of concentration in compressor 100 can be made logical
It crosses oil discharge outlet 110 and the first pipeline 300 flows into oil storage tank 200, and when oil storage is completed, close the first solenoid valve 400, thus
The refrigeration oil of storage is sealed up for safekeeping to oil storage tank 200.When compressor 100 is shut down for a long time, the refrigeration oil quilt of 100 bottom of compressor
The refrigerant dilution to come is migrated, and the concentration of the refrigeration oil in oil storage tank 200 is larger at this time.To be opened again when compressor 100
When machine, by opening second solenoid valve 600, so that the biggish refrigeration oil of concentration in oil storage tank 200 passes through oil outlet 220, the
Two pipelines 500 are back in compressor 100, and then the higher refrigeration oil of concentration is supplied to compressor 100 in time, are improved
The concentration of the refrigeration oil of 100 bottom of compressor efficiently avoids compressor 100 and petrol starvation occurs.
Further, the oil discharge outlet 110 is less than the compressor 100 relative to the height of 100 bottom of compressor
The half of height.Since the refrigeration oil in compressor 100 generally accumulates in 100 bottom of compressor, the height of oil discharge outlet 110
Cannot be too high, otherwise refrigeration oil cannot reach oil discharge outlet 110.
Further, in order to guarantee that the cylinder inside compressor 100 can work normally, the oil discharge outlet 110 is higher than institute
The top of the cylinder inside compressor 100 is stated, so that the oil level of the refrigeration oil inside compressor 100 is consistently higher than gas
Cylinder ensure that cylinder periphery with the presence of refrigeration oil, enables cylinder to work normally always always.
Further, the diameter of first pipeline 300 is less than or equal to the straight of the exhaust outlet 130 of the compressor 100
Diameter.To ensure that the pressure of the exhaust outlet 130 of compressor 100 will not be too small due to the scavenging action of the first pipeline 300, protect
The exchange capability of heat of air conditioner is demonstrate,proved.
Further, the volume of oil storage tank 200 is between the 10% to 20% of the freezing oil volume of air conditioner.Thus can
Enough guarantee the not oil starvation in long-term shut down of compressor 100, and can guarantee the influence pressure not too big after oil storage of oil storage tank 200
The exchange capability of heat of contracting machine 100.
Further, the oil inlet 210 of oil storage tank 200 is greater than the oil storage tank relative to the height of 200 bottom of oil storage tank
2/3rds of 200 height.Since the refrigeration oil of the outflow of oil discharge outlet 110 via compressor 100 may include gaseous cold
Matchmaker, therefore by the way that the oil inlet 210 of oil storage tank 200 is set to the higher position of oil storage tank 200, compressor can be more advantageous to
Refrigeration oil inside 100 enters in oil storage tank 200 via the first pipeline 300.Preferably, oil outlet 220 is set to oil storage tank 200
Bottom, the refrigeration oil being more advantageous in oil storage tank 200 flows out in compressor 100.
The present invention also proposes a kind of air conditioner, which includes controller and compressor oil storage component, compressor storage
The specific structure of oily component is referring to above-described embodiment, since this air conditioner uses all embodiments of above-mentioned compressor oil storage component
Whole technical solutions, therefore all beneficial effects brought by the same technical solution with above-described embodiment, herein no longer
It repeats one by one.
The present invention provides a kind of control method of air conditioner, and the structure of the air conditioner is referred to above-described embodiment, herein
It repeats no more, is the flow diagram of the control method first embodiment of the air condition of that present invention referring to Fig. 2, Fig. 2, the present invention proposes
Air conditioner control method the following steps are included:
Step S10 controls the closing of second solenoid valve 600 and first solenoid valve when receiving stopping signal
400 open, and flow into the refrigeration oil in the compressor 100 in the oil storage tank 200 via first pipeline 300, with control
Make the oil storage tank 200 oil storage when compressor 100 is shut down；
In the present embodiment, controller can be considered when detecting that compressor 100 is shut down and have received stopping signal；
Or controller can be considered when receiving the off signal of user's transmission and have received stopping signal.In the first solenoid valve
When 400 opening, under the high pressure effect inside compressor 100, the refrigeration oil inside compressor 100 can be made to pass through oil discharge outlet
110 flow into oil storage tank 200, so that oil storage tank 200 being capable of the oil storage when shutting down.
Step S20 closes first electromagnetism when the oil storage tank 200 during compressor 100 is shut down complete by oil storage
Valve 400；
When controller receives stopping signal, the closing of second solenoid valve 600 and first solenoid valve are controlled
When 400 five preset duration of opening, that is, it can be considered that the oil storage when shutting down of oil storage tank 200 is completed；Or it can also be in oil storage tank 200
Interior setting oil level detecting device detects the oil reserve in oil storage tank 200 by oil level detecting device, detects in oil level detecting device
When reaching default oil mass to the oil reserve in oil storage tank 200, that is, it can be considered that oil storage is completed.Oil level detecting device for example may include
Float in oil storage tank 200 and set on 200 top of oil storage tank close to switch, close to switch according between float and its
Apart from the automatic on or off of size.
Step S30 controls the second solenoid valve 600 and opens, make the oil storage tank 200 when receiving starting-up signal
Interior refrigeration oil flows into the compressor 100 via second pipeline 500, so that the oil storage tank 200 is drained the oil
When compressor 100 is switched on again, first solenoid valve 400 is in close state, while controlling the second electromagnetism
Valve 600 is opened.Under the suction function of the gas returning port 120 of compressor 100, the refrigeration oil in oil storage tank 200 can be made via
Two pipelines 500 flow into compressor 100, so that the refrigeration oil in oil storage tank 200 be made to be back to inside compressor 100 again, prevent
The phenomenon that compressor 100 is easy oil starvation after long-term shut down generation is stopped.
Optionally, oil storage tank 200 drain the oil complete when, close second solenoid valve 600.So that oil storage tank 200 will not be always
It is connected to compressor 100, and then influences the exchange capability of heat of compressor 100 in 100 normal course of operation of compressor.It can connect
When receiving starting-up signal, when controlling four preset duration of the opening of second solenoid valve 600, then it is considered as oil storage tank 200 and has drained the oil
At.
In the present embodiment, in 100 stable operation of compressor, the oil temperature of the refrigeration oil of 100 bottom of compressor is bigger,
The concentration of refrigeration oil can be bigger, when compressor 100 is shut down, can make the biggish refrigeration oil of concentration in compressor 100
It is flowed into oil storage tank 200 by oil discharge outlet 110 and the first pipeline 300, and when oil storage is completed, closes the first solenoid valve 400, from
And the refrigeration oil of storage is sealed up for safekeeping to oil storage tank 200.When compressor 100 is shut down for a long time, the refrigeration oil of 100 bottom of compressor
The refrigerant dilution being migrated, and the concentration of the refrigeration oil in oil storage tank 200 is larger at this time.To work as compressor 100 again
When booting, by opening second solenoid valve 600 so that the biggish refrigeration oil of concentration in oil storage tank 200 by oil outlet 220,
Second pipeline 500 is back in compressor 100, and then the higher refrigeration oil of concentration is supplied to compressor 100 in time, is improved
The concentration of the refrigeration oil of 100 bottom of compressor efficiently avoids compressor 100 and petrol starvation occurs.
The present invention is by when receiving stopping signal, controlling the closing of second solenoid valve 600 and first electromagnetism
Valve 400 is opened, and flows into the refrigeration oil in the compressor 100 in the oil storage tank 200 via first pipeline 300, with
The oil storage tank 200 oil storage when shutting down is controlled, and when the oil storage tank 200 when shutting down complete by oil storage, closes described the
One solenoid valve 400, and when receiving starting-up signal, it controls the second solenoid valve 600 and opens, make in the oil storage tank 200
Refrigeration oil flowed into the compressor 100 via second pipeline 500, drained the oil with controlling the oil storage tank 200, so as to
Enough when compressor 100 is shut down, the higher refrigeration oil of concentration in compressor 100 is stored to oil storage tank 200 in time, and is pressing
When contracting machine 100 is switched on again, the higher refrigeration oil of concentration in oil storage tank 200 can be supplied to compressor 100 in time, effectively
It avoids compressor 100 and the phenomenon that oil starvation occurs after long-term shut down.
Further, in order to further increase the automatic oil storage capacity of oil storage tank 200, the control based on the air condition of that present invention
The first embodiment of method, the invention also provides the second embodiments of the control method of air conditioner, are controlling second electricity
Magnet valve 600 is closed and first solenoid valve 400 is opened, so that the oil storage tank 200 is stored up when the compressor 100 is shut down
Before the step of oil, the control method of the air conditioner further include:
It controls the closing of the first solenoid valve 400 and the second solenoid valve 600 opens the first preset duration, so that institute
It states oil storage tank 200 and switches to negative pressure state.
In the present embodiment, can when receiving stopping signal, and control the second solenoid valve 600 close and
Before first solenoid valve 400 is opened, first controls the closing of the first solenoid valve 400 and the second solenoid valve 600 is opened
First preset duration.Alternatively, that is, in 100 operational process of compressor, can also first be controlled before receiving stopping signal
First solenoid valve 400 is closed and the second solenoid valve 600 opens the first preset duration.
Since in 100 operational process of compressor, the gas returning port 120 of compressor 100 has a suction, stop until receiving
When machine signal, the suction of gas returning port 120 is still had.Therefore, it is closed in the first solenoid valve 400 and second solenoid valve 600 is opened
When, under the suction of the gas returning port 120 of compressor 100, it will so that the pressure in oil storage tank 200 gradually decreases, reach
A kind of low-pressure state can be referred to as negative pressure state.To the refrigeration oil when controlling 200 oil storage of oil storage tank, in compressor 100
It will more readily flow into the oil storage tank 200 in negative pressure state.
Further, the first or second embodiments of the control method based on the air condition of that present invention, the invention also provides
The 3rd embodiment of the control method of air conditioner, the control method of the air conditioner further include:
In the compressor 100 operation, the discharge superheat of the compressor 100 is calculated；
When the discharge superheat is persistently greater than preset threshold and reaches the second preset duration, the second solenoid valve is controlled
600 closings and first solenoid valve 400 opening, make the refrigeration oil in the compressor 100 via first pipeline 300
It flows into the oil storage tank 200, so that the oil storage during compressor 100 is run of the oil storage tank 200；
When the oil storage tank 200 during compressor 100 is run complete by oil storage, first solenoid valve 400 is closed.
In the present embodiment, discharge superheat is the delivery temperature of compressor 100 and the difference for being vented saturation temperature.It was vented
Temperature is existing concept, and it will not be described in detail here.
It is understood that when compressor 100 is run, and discharge superheat is not greater than preset threshold persistently and reaches second
When preset duration, the first solenoid valve 400 is in close state always.At this point, optional, second solenoid valve 600 is also at closing
State.It, can be with the discharge superheat of real-time detection compressor 100 in the operational process of compressor 100.And judge discharge superheat
Whether degree persistently reaches the second preset duration greater than the duration of preset threshold.
Preset threshold can be between 5 DEG C to 15 DEG C.Optionally, 10 DEG C be can be set to.Optionally, the second preset duration
It can be 5 minutes or so.
Persistently it is greater than after preset threshold reaches the second preset duration in the discharge superheat, controls second electromagnetism
When valve 600 is closed and first solenoid valve 400 opening reaches six preset durations, that is, it can be considered oil storage tank 200 in the runtime
Between oil storage complete.Alternatively, when oil level detecting device detects that the oil reserve in oil storage tank 200 reaches default oil mass, i.e., visually
For oil storage tank 200, oil storage is completed during operation.
In the present embodiment, during compressor 100 is run, when discharge superheat last longer is in higher state,
The concentration of the refrigeration oil of compressor 100 is larger, the extra refrigeration oil of compressor 100 can be stored, be further improved
The concentration of 200 oil storage of oil storage tank more effectively avoids compressor 100 and the phenomenon that oil starvation occurs when shutting down.
Further, in order to further increase the automatic oil storage capacity of oil storage tank 200, the control based on the air condition of that present invention
The 3rd embodiment of method, the invention also provides the fourth embodiments of the control method of air conditioner, are controlling second electricity
Magnet valve 600 is closed and first solenoid valve 400 is opened, so that the oil storage tank 200 is during the compressor 100 is run
Before the step of oil storage, the control method further include:
It controls the closing of the first solenoid valve 400 and the second solenoid valve 600 opens third preset duration, so that institute
It states oil storage tank 200 and switches to negative pressure state.
In the present embodiment, can when discharge superheat is persistently greater than preset threshold and reaches the second preset duration, and
Before controlling the closing of second solenoid valve 600 and first solenoid valve 400 opening, first solenoid valve 400 is first controlled
It closes and the second solenoid valve 600 opens third preset duration.Alternatively, after the booting of compressor 100 or can also run
Cheng Zhong, first controls the closing of the first solenoid valve 400 and the second solenoid valve 600 opens third preset duration, thus arranging
When the gas degree of superheat is persistently greater than preset threshold and reaches the second preset duration, oil storage tank 200 can Pre-handoff to negative pressure state.
Since in 100 operational process of compressor, the gas returning port 120 of compressor 100 has a suction, stop until receiving
When machine signal, the suction of gas returning port 120 is still had.Therefore, it is closed in the first solenoid valve 400 and second solenoid valve 600 is opened
When, under the suction of the gas returning port 120 of compressor 100, it will so that the pressure in oil storage tank 200 gradually decreases, reach
A kind of low-pressure state can be referred to as negative pressure state.To the refrigeration oil when controlling 200 oil storage of oil storage tank, in compressor 100
It will more readily flow into the oil storage tank 200 in negative pressure state.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
It and further include other elements that are not explicitly listed, or further include solid by this process, method, article or device
Some elements.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including
There is also other identical elements in the process, method of the element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
In addition, the description of " first ", " second " etc. involved in invention is used for description purposes only, and should not be understood as indicating
Or it implies its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In addition, technical solution between each embodiment can be with
It is combined with each other, but must be based on can be realized by those of ordinary skill in the art, when phase occurs in the combination of technical solution
Mutual contradiction or when cannot achieve should people think that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of compressor oil storage component is applied to air conditioner, which is characterized in that the compressor oil storage component includes compressor
And oil storage tank, the compressor are equipped with oil discharge outlet, the oil storage tank is equipped with oil inlet and oil outlet, the oil discharge outlet and institute
It states by the first pipeline connection between oil inlet, and first pipeline is equipped with the first solenoid valve；The oil outlet with it is described
By the second pipeline connection between the gas returning port of compressor, and second pipeline is equipped with second solenoid valve；First electricity
Magnet valve and second solenoid valve are connect with the controller in air conditioner, and controller controls described the when receiving stopping signal
Two solenoid valves are closed, and first solenoid valve is opened, when the oil storage tank during the compressor shutdown complete by oil storage,
Close first solenoid valve；Controller controls the second solenoid valve and opens when receiving starting-up signal.
2. compressor oil storage component as described in claim 1, which is characterized in that the oil discharge outlet is relative to the compressor bottom
The height in portion is less than the half of the compressor height.
3. compressor oil storage component as claimed in claim 2, which is characterized in that the oil discharge outlet is higher than inside the compressor
Cylinder top.
4. compressor oil storage component as described in claim 1, which is characterized in that the diameter of first pipeline is less than or equal to
The diameter of the exhaust outlet of the compressor.
5. a kind of air conditioner, which is characterized in that the air conditioner includes such as the described in any item compressor storages of Claims 1-4
The first solenoid valve, second solenoid valve in oily component and controller, the controller and compressor oil storage component connect, with control
First solenoid valve and second solenoid valve open and close.
6. a kind of control method of air conditioner as claimed in claim 5, which is characterized in that the control method includes:
When receiving stopping signal, controls the second solenoid valve closing and first solenoid valve is opened, so that the storage
Oil tank oil storage in the compressor shutdown；
When the oil storage tank during the compressor shutdown complete by oil storage, first solenoid valve is closed；
When receiving starting-up signal, controls the second solenoid valve and open, so that the oil storage tank is drained the oil.
7. control method as claimed in claim 6, which is characterized in that closed and described the controlling the second solenoid valve
One solenoid valve open so that the oil storage tank in the compressor shutdown the step of oil storage before, the control method is also wrapped
It includes:
It controls the first solenoid valve closing and the second solenoid valve opens the first preset duration, so that the oil storage tank is cut
Shift to negative pressure state.
8. control method as claimed in claim 6, which is characterized in that it is described when receiving starting-up signal, control described the
After the step of two solenoid valves are opened, the control method further include:
The oil storage tank drain the oil complete when, close the second solenoid valve.
9. such as the described in any item control methods of claim 6 to 8, which is characterized in that the control method further include:
In compressor operation, the discharge superheat of the compressor is calculated；
When the discharge superheat is persistently greater than preset threshold and reaches the second preset duration, controls the second solenoid valve and close
It closes and first solenoid valve is opened, so that oil storage tank oil storage during the compressor is run；
When the oil storage tank during compressor operation complete by oil storage, first solenoid valve is closed.
10. control method as claimed in claim 9, which is characterized in that closed and described the controlling the second solenoid valve
One solenoid valve open so that the oil storage tank the compressor run during oil storage the step of before, the control method is also
Include:
It controls the first solenoid valve closing and the second solenoid valve opens third preset duration, so that the oil storage tank is cut
Shift to negative pressure state.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382550.3A CN106091494B (en) | 2016-05-31 | 2016-05-31 | Compressor oil storage component, air conditioner and its control method |
| EP17805864.0A EP3399254B1 (en) | 2016-05-31 | 2017-05-31 | Air conditioner having a compressor oil storage assembly and control method therefor |
| ES17805864T ES2900153T3 (en) | 2016-05-31 | 2017-05-31 | Air conditioner having compressor oil storage assembly and control procedure thereof |
| PCT/CN2017/086706 WO2017206919A1 (en) | 2016-05-31 | 2017-05-31 | Compressor oil storage assembly, air conditioner, and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382550.3A CN106091494B (en) | 2016-05-31 | 2016-05-31 | Compressor oil storage component, air conditioner and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091494A CN106091494A (en) | 2016-11-09 |
| CN106091494B true CN106091494B (en) | 2019-06-04 |
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| CN201610382550.3A Active CN106091494B (en) | 2016-05-31 | 2016-05-31 | Compressor oil storage component, air conditioner and its control method |
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| Country | Link |
|---|---|
| EP (1) | EP3399254B1 (en) |
| CN (1) | CN106091494B (en) |
| ES (1) | ES2900153T3 (en) |
| WO (1) | WO2017206919A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106091494B (en) * | 2016-05-31 | 2019-06-04 | 广东美的暖通设备有限公司 | Compressor oil storage component, air conditioner and its control method |
| JP6896100B2 (en) * | 2017-12-06 | 2021-06-30 | 三菱電機株式会社 | Refrigeration cycle equipment |
| CN110821788B (en) * | 2019-10-21 | 2023-09-29 | 珠海格力电器股份有限公司 | Oil storage device, compressor comprising same and oil supply quantity adjusting method |
| CN112747501B (en) * | 2019-10-31 | 2023-05-05 | 广东美的白色家电技术创新中心有限公司 | Compressor assembly, heat exchange system and electrical equipment |
| CN112303862B (en) * | 2020-10-09 | 2023-03-28 | 青岛海尔空调电子有限公司 | Oil temperature control system and method for refrigeration oil in air-conditioning compressor |
| CN113390168B (en) * | 2021-06-24 | 2022-03-18 | 广东美的制冷设备有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN113669784B (en) * | 2021-07-12 | 2022-11-25 | 浙江中广电器集团股份有限公司 | Control method for improving oil shortage of compressor during starting of waterless floor heating unit and triple co-generation system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437162A (en) * | 1993-07-21 | 1995-08-01 | Eden; Herbert R. | Closed loop oil service system for AC or refrigerant compressor units |
| WO2001053757A1 (en) * | 2000-01-21 | 2001-07-26 | Toshiba Carrier Corporation | Oil amount detector, refrigeration apparatus and air conditioner |
| KR20030084426A (en) * | 2002-04-26 | 2003-11-01 | 캐리어엘지 유한회사 | Apparatus for interception lubricative oil in lubricative system of compressor |
| JP3685180B2 (en) * | 2003-04-14 | 2005-08-17 | ダイキン工業株式会社 | Hermetic compressor |
| KR20060055154A (en) * | 2004-11-18 | 2006-05-23 | 엘지전자 주식회사 | A compressor oil retrieving apparatus of multi-type air conditioner |
| CN101093121B (en) * | 2006-06-21 | 2010-05-26 | 海尔集团公司 | Oil equalizer of multistage type air conditioning unit |
| CN200952856Y (en) * | 2006-08-02 | 2007-09-26 | 海尔集团公司 | Multiple air conditioner machine set oil balancing device |
| CN101813396B (en) * | 2009-02-19 | 2011-09-21 | 珠海格力电器股份有限公司 | Air conditioning unit and method for detecting oil level of compressor thereof |
| JP2014181869A (en) * | 2013-03-21 | 2014-09-29 | Fujitsu General Ltd | Air conditioner |
| CN104296421B (en) * | 2013-07-15 | 2017-05-03 | 广东美的暖通设备有限公司 | Air conditioner and oil return control method thereof |
| CN106091494B (en) * | 2016-05-31 | 2019-06-04 | 广东美的暖通设备有限公司 | Compressor oil storage component, air conditioner and its control method |
-
2016
- 2016-05-31 CN CN201610382550.3A patent/CN106091494B/en active Active
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2017
- 2017-05-31 WO PCT/CN2017/086706 patent/WO2017206919A1/en active Application Filing
- 2017-05-31 EP EP17805864.0A patent/EP3399254B1/en active Active
- 2017-05-31 ES ES17805864T patent/ES2900153T3/en active Active
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| Publication number | Publication date |
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| WO2017206919A1 (en) | 2017-12-07 |
| ES2900153T3 (en) | 2022-03-16 |
| EP3399254B1 (en) | 2021-10-27 |
| EP3399254A1 (en) | 2018-11-07 |
| EP3399254A4 (en) | 2019-02-27 |
| CN106091494A (en) | 2016-11-09 |
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