CN109282526A - Compressor oil-supplying device and method, air-conditioning - Google Patents
Compressor oil-supplying device and method, air-conditioning Download PDFInfo
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- CN109282526A CN109282526A CN201811123135.1A CN201811123135A CN109282526A CN 109282526 A CN109282526 A CN 109282526A CN 201811123135 A CN201811123135 A CN 201811123135A CN 109282526 A CN109282526 A CN 109282526A
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- compressor
- oil
- oil sump
- fuel feeding
- compressor oil
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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
- 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
Abstract
The present invention provides a kind of compressor oil-supplying devices, are related to air-conditioning technical field.The compressor oil-supplying device includes: shell；It is installed on the elastic diaphragm of enclosure interior, enclosure interior is divided into fuel feeding oil sump and gas compartment by elastic diaphragm；One end of fuel feed pump, fuel feed pump is connected with fuel feeding oil sump, and the other end is connected to compressor oil sump, is provided with switch valve on the pipeline of fuel feed pump.Above-mentioned compressor fueller is applied in air-conditioning, is able to solve the problem of refrigerant that compressor refrigeration oil when air-conditioning just starts is precipitated takes away caused compressor oil starvation operating.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of compressor oil-supplying device and methods, air-conditioning.
Background technique
The compressor of air-conditioning is to play compressible drive refrigerant in air conditioner coolant (refrigerant) circuit.The compression of air-conditioning
Refrigerant is sent to the cooling condensation in higher-pressure region from low-pressure area extraction by machine after compression, gives out heat to air by cooling fin
In, refrigerant also becomes liquid, pressure rise from gaseous state.
As temperature reduces, solubility of the refrigerant of air-conditioning in the refrigeration oil of compressor increases.When air-conditioning is in low temperature
Under environment, a large amount of refrigerants are dissolved in the refrigeration oil of compressor oil sump, start air-conditioning at this time, compressor oil sump temperature after compressor operation
Degree increases rapidly, and the solubility of refrigerant declines therewith, and a large amount of refrigerants is caused to be precipitated from compressor oil sump.What a large amount of refrigerants were precipitated
A part of refrigeration oil can be taken away simultaneously, leads to compressor oil starvation operating due to compressor oil sump loses oil, pressure when air-conditioning just starts
Contracting machine lubrication is unable to get guarantee, shortens the service life of the compressor of air-conditioning.Especially used for the first time in air-conditioning, refrigerant
When charging amount is larger, the refrigerant being dissolved in refrigeration oil is more, thus the refrigeration oil taken away when air-conditioning just starts by refrigerant compared with
It is more.Compressor is returned after being recycled within air-conditioning systems by the refrigeration oil that refrigerant is taken away, if the connecting pipings of air-conditioning is longer at this time, is made
It obtains the refrigeration oil taken away by refrigerant and returns to compressor after the long period, will lead to compressor oil starvation when air-conditioning just starts and transport
Turn, lubrication the problem of being unable to get guarantee further deteriorates.
Summary of the invention
For it is above-mentioned the problems of in the prior art, the embodiment of the present invention provide a kind of compressor oil-supplying device and
Method, air-conditioning take away caused compressor oil starvation to solve the refrigerant that compressor refrigeration oil when air-conditioning just starts is precipitated
The problem of operating.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, the embodiment of the invention provides a kind of compressor oil-supplying device, the compressor oil-supplying device includes:
Shell；Be installed on the elastic diaphragm of the enclosure interior, the elastic diaphragm by the enclosure interior be divided into fuel feeding oil sump and
Gas compartment；Fuel feed pump, one end of the fuel feed pump are connected with the fuel feeding oil sump, and the other end is connected to compressor oil sump, described
Switch valve is provided on the pipeline of fuel feed pump.
Optionally, the gas compartment is provided with inflating port, for being filled and deflated by body for the gas compartment.
Optionally, the gas is inert gas.
Optionally, the compressor oil-supplying device further include: be set to the pressure monitoring device of the fuel feeding oil sump, be used for
Pressure in fuel feeding oil sump described in real-time monitoring.
Optionally, the fuel feeding oil sump is provided with oil injection structure, and the oil injection structure is used for the fuel feeding oil sump oiling
Or oil pumping.
Optionally, the switch valve is bidirectional electromagnetic valve.
Optionally, the material of the elastic diaphragm is rubber.
Second aspect, the embodiment provides a kind of compressor oil-supplying method, the compressor oil-supplying method is answered
For compressor oil-supplying device described in first aspect, the compressor oil-supplying method includes: to make the compressor oil-supplying device
Pressure in fuel feeding oil sump be higher than compressor it is inactive when compressor oil sump pressure；Before starting compressor, described in opening
The switch valve of compressor oil-supplying device injects the oil of the fuel feeding oil sump in the compressor oil sump；To the fuel feeding oil sump
With the pressure equilibrium in the compressor oil sump or after the time of setting, the switch valve is closed, the compressor is started；
After compressor normal operation, the switch valve is opened, the oil of the compressor oil sump is made to inject the fuel feeding oil sump；To
The fuel feeding oil sump and pressure equilibrium in the compressor oil sump or after the time of setting, close the switch valve.
Optionally, it using oil is injected into the fuel feeding oil sump, pumps from the fuel feeding oil sump, is supplied to the compressor
It inflates, and at least one of pumping mode from the gas compartment, makes in the fuel feeding oil sump in the gas compartment of oily device
Pressure of the pressure higher than compressor oil sump when inactive.
Optionally, the range of the pressure of the compressor oil sump is 0.2~3MPa, and the fuel feeding oil sump is in the compressor
The range of pressure when inactive is more than or equal to 3MPa.
The third aspect, the embodiment provides a kind of air-conditioning, the air-conditioning includes pressure as described in relation to the first aspect
Contracting machine fueller.
What can be generated in above-mentioned compressor fueller and method, air-conditioning has the beneficial effect that:
The shell of compressor oil-supplying device is divided into fuel feeding oil sump and gas compartment by elastic diaphragm, the indoor gas of gas and
Elastic diaphragm generates pressure to the refrigeration oil in fuel feeding oil sump jointly, and the pressure of fuel feeding oil sump is made to be higher than compression when air-conditioning is not opened
The pressure of engine oil pond opens the switch valve on fuel feed pump, infuses the high pressure refrigeration oil in fuel feeding oil sump before compressor operation
Enter into compressor oil sump, to avoid oil starvation operating of the compressor when air-conditioning just starts.
After fuel feeding oil sump and compressor oil sump pressure equilibrium or after the time of setting, fuel feeding terminates, and turns off the switch valve.
Then run well in compressor (compressor operation for a period of time after, such as 10 minutes, frequency, pressure and delivery temperature were first
It is basicly stable after raising, only fluctuate in smaller range) after, switch valve is opened at this time, the high temperature and pressure in compressor oil sump
Refrigeration oil can inject fuel feeding oil sump, and in compressor oil sump and fuel feeding oil sump pressure equilibrium or after the time of setting, closing is opened
Valve is closed, so as to realize storage of the compressor oil-supplying device to high pressure refrigeration oil, so that compressor starts in air-conditioning next time
When use.
Further, since in above process, the storage of compressor oil-supplying device is the refrigeration oil after compressor runs well,
Freezing oil temperature at this time is higher, therefore its refrigerant dissolved is less.In compressor oil-supplying device to compressor oil sump fuel feeding
When, the refrigeration oil supplied is the lower refrigeration oil of refrigerant content, so as to dilute the refrigeration oil of compressor oil sump (containing a large amount of
Refrigerant) in refrigerant, increase the viscosity of refrigeration oil in compressor when air-conditioning just starts, improve the profit of refrigeration oil in compressor
Sliding effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of compressor oil-supplying device provided by the embodiment of the present invention；
Fig. 2 is the step schematic diagram of compressor oil-supplying method provided by the embodiment of the present invention.
Description of symbols:
100- compressor oil-supplying device；1- shell；
2- elastic diaphragm；3- gas compartment；
4- fuel feeding oil sump；5- fuel feed pump；
6- switch valve；7- inflating port；
8- pressure-detecting device；9- oil injection structure；
10- compressor oil sump.
Specific embodiment
It is the core concept of disclosed technique scheme above, to enable the above objects, features, and advantages of the disclosure more
Add and become apparent, below in conjunction with the attached drawing in the embodiment of the present disclosure, to the technical solution in the embodiment of the present disclosure carry out it is clear,
It is fully described by.Obviously, described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Base
Embodiment in the disclosure, those of ordinary skill in the art are obtained all without creative labor
Other embodiments belong to the range of disclosure protection.
As described in background, with the refrigerant in air-conditioning, meltage increases in the refrigeration oil of compressor oil sump,
The refrigeration oil taken away in compressor oil sump by refrigerant when air-conditioning just starts is more, and compressor oil starvation when air-conditioning just starts operates
Situation is more serious.To alleviate the above problems, in the related technology mainly by adding heating tape to compressor oil sump, to be opened in air-conditioning
Dynamic premise high compressor oil sump temperature, to reduce meltage of the refrigerant in refrigeration oil.But this method reduces refrigerant and is freezing
The limitation of meltage in oil can not thoroughly solve the above problems.Also, the above method needs before air-conditioning is not opened
A period of time is heated to compressor oil sump, the stand-by power consumption of air-conditioning is increased, also reduces the usage experience of user.Especially air-conditioning
It uses for the first time, when coolant injection amount is larger, if environment temperature is lower at this time, needs to heat about 4~12 to compressor oil sump small
When after start air-conditioning, cause more serious damage to avoid to compressor, seriously increase using the waiting time before air-conditioning.
The embodiment of the present invention provides a kind of compressor oil-supplying device, as shown in Figure 1, compressor oil-supplying device 100 wraps
It includes: shell 1；The elastic diaphragm 2 being installed on inside shell 1, elastic diaphragm 2 will be divided into fuel feeding oil sump 4 and gas inside shell 1
Room 3；One end of fuel feed pump 5, fuel feed pump 5 is connected with fuel feeding oil sump 4, and the other end is connected to compressor oil sump 10, the pipe of fuel feed pump 5
Road is provided with switch valve 6.
It is used when above-mentioned compressor fueller 100 is installed in air-conditioning, as shown in Figure 1, before starting of air conditioner, compressor
Fueller 100 also not to compressor oil-supplying when, have refrigeration oil in the fuel feeding oil sump 4 of 2 side of elastic diaphragm, elastic diaphragm 2 is another
Filled with gas in the gas compartment 3 of side.By adjusting the freezing oil mass in fuel feeding oil sump 4, in the gas flow in gas compartment 3 to
A kind of few mode makes the pressure in fuel feeding oil sump 4 be higher than the pressure of compressor oil sump 10, and there are pressure differences for the two.Illustratively,
There is excessive refrigeration oil in fuel feeding oil sump 4, making elastic diaphragm 2, deformation occurs, while having excessive gas, gas in gas compartment 3
In compressive state.The compressed gas in elastic diaphragm 2 and gas compartment 3 that deformation occurs is jointly to the freezing in fuel feeding oil sump 4
Oil generates pressure, and the pressure in fuel feeding oil sump 4 is made to be higher than the pressure of compressor oil sump 10.
When compressor oil-supplying device 100 is to compressor oil-supplying, switch valve 5 is opened, the refrigeration oil in fuel feeding oil sump 4 is upper
It states and is injected into compressor oil sump 10 under the action of pressure difference, the drop of pressure of fuel feeding oil sump 4, on the pressure of compressor oil sump 10
It rises, until fuel feeding oil sump 4 is equal with the pressure of compressor oil sump 10, or after the time of setting, turns off the switch valve 5, compress
Machine fueller 100 terminates the fuel feeding of compressor.To which before starting of air conditioner, compressor oil-supplying device 100 can press
10 fuel feeding of contracting engine oil pond avoids oil starvation operating of the compressor when air-conditioning just starts.
After starting of air conditioner, with compressor operation, pressure and temperature in compressor oil sump 10 are increased, and compressor is normally transported
Turn (compressor operation for a period of time after, such as 10 minutes, frequency, pressure and delivery temperature were basicly stable after first increasing, and only exist
Fluctuation in smaller range) after, the pressure in compressor oil sump 10 is higher than the pressure in fuel feeding oil sump 4, switch valve 5 is opened at this time,
The refrigeration oil of compressor oil sump 10 is injected in fuel feeding oil sump 4 under the action of pressure difference, until compressor oil sump 10 and fuel feeding oil
The pressure in pond 4 balanced again or after the time of setting, turned off the switch valve 5, and the oil storage of compressor oil-supplying device 100 terminates.
It should be pointed out that above-described " time of setting ", which is smaller than, turns on the switch valve 5 to fuel feeding oil sump 4 and compression
The period duration of the pressure equilibrium of engine oil pond 10.Due to from turning on the switch pressure of the valve 5 to fuel feeding oil sump 4 and compressor oil sump 10
Strong balance may need the long period, therefore can set a time, turn on the switch valve 5 and after the time of setting, close
Switch valve 5 is closed, the pressure between fuel feeding oil sump 4 and compressor oil sump 10 also not up to balances at this time.
In addition, air-conditioning shuts down to before start next time, the pressure in compressor oil sump 10 is due to compressor shuts down
It gradually decreases, and fuel feeding oil sump 4 is because of the closing of switch valve 5, internal pressure remains unchanged, and is still equal to after compressor runs well
The pressure of compressor oil sump 10, so that compressor oil-supplying device 100 be made to can be realized the storage to high pressure refrigeration oil, in order to
Make 100 compressor oil-supplying of compressor oil-supplying device air-conditioning starts next time when.
It is above-mentioned provided by the embodiment of the present invention compared with adding the scheme of heating tape to compressor oil sump in the prior art
Fueller thoroughly solves the oil starvation operating of compressor when air-conditioning just starts, and without heating in advance to compressor oil sump,
Significantly reduce the stand-by power consumption of air-conditioning.
It should be noted that compressor oil-supplying device 100 is for the first time in use, in the refrigeration oil of fuel feeding oil sump 4 hardly
Containing refrigerant.Subsequent in use, the freezing oil temperature in compressor oil sump 10 is higher, refrigerant content after compressor normal operation
It is lower, turn on the switch at this time valve 5 make compressor oil-supplying device 100 carry out oil storage, stored by be above-mentioned refrigerant content compared with
Low refrigeration oil.Therefore, compressor oil-supplying device 100 injects when next time to compressor oil-supplying into compressor oil sump 10
The lower refrigeration oil of refrigerant content can also play the role of diluting refrigerant, to increase the viscosity of refrigeration oil in compressor,
Improve the lubricant effect of refrigeration oil.
Based on the above-mentioned technical proposal, referring again to Fig. 1, in other embodiments of the invention, further, gas
Inflating port 7 has can be set in room 3, and inflating port 7 is used to be filled and deflated by body for gas compartment 3, and optionally, which can be indifferent gas
The gas property of body, inert gas is relatively stable, can guarantee that the pressure of gas compartment 3 is relatively stable, reduces because of gas property not
Stablize and caused by influence to the pressure in fuel feeding oil sump 4, ensure that the stabilization fuel feeding of compressor oil-supplying device 100.
It should be pointed out that gas compartment 3 can also lead in gas of substituting the bad for the good before factory in subsequent use process
It overcharges port 7 and is filled with gas.In addition, being filled and deflated by body to gas compartment 3 by inflating port 7 can be realized to pressure in gas compartment 3
It adjusts, to realize the adjusting to 4 pressure of fuel feeding oil sump, and then so that the pressure of fuel feeding oil sump 4 is greater than pressure before starting of air conditioner
The pressure of contracting engine oil pond 10 ensure that the stabilization fuel feeding of compressor oil-supplying device 100.
As a kind of possible design of fuel feeding oil sump 4, in some embodiments of the invention, as shown in Figure 1, fuel feeding is oily
Oil injection structure 9 has can be set in pond 4, and oil injection structure 9 is used for 4 oiling of fuel feeding oil sump or oil pumping.
It should be pointed out that fuel feeding oil sump 4 can fill refrigeration oil before factory, or can be used subsequent
Refrigeration oil is filled by oil injection structure 9 in journey.In addition, can be realized by oil injection structure 9 to 4 oiling of fuel feeding oil sump or oil pumping
Adjusting to pressure in fuel feeding oil sump 4, and then make the pressure of fuel feeding oil sump 4 greater than the pressure of compressor oil sump 10 before starting of air conditioner
By force, it ensure that the stabilization fuel feeding of compressor oil-supplying device 100.
In some embodiments of the invention, as shown in Figure 1, compressor oil-supplying device 100 further include: be set to fuel feeding oil
The pressure monitoring device 8 in pond 4, for the pressure in real-time monitoring fuel feeding oil sump 4.It can be realized pair by pressure monitoring device 8
Pressure monitoring in fuel feeding oil sump 4, the pressure in fuel feeding oil sump 4 is found convenient for user at the effects of playing measurement and alarm in time
Abnormal conditions, and the abnormal conditions are handled in time, further ensure the stabilization fuel feeding of compressor oil-supplying device 100.
In some embodiments provided by the invention, as shown in Figure 1, switch valve 6 can be bidirectional electromagnetic valve, to avoid
When compressor oil-supplying device 100 is to compressor oil-supplying, the refrigeration oil in compressor oil sump 10 is back in fuel feeding oil sump 4, thus
Guarantee that the refrigeration oil refrigerant content in fuel feeding oil sump 4 keeps lower；And it avoids in compressor oil-supplying 100 oil storage of device, fuel feeding
Refrigeration oil in oil sump 4 is back in compressor oil sump 10, to guarantee that 4 pressure of fuel feeding oil sump is stablized.
In addition, switch valve 6 may be to include two unidirectional solenoid valves.
Further, in some embodiments of the invention, the material of elastic diaphragm 2 can be rubber or other elastic materials
Material, herein without limitation.
In other embodiments of the invention, a kind of compressor oil-supplying method is provided, is applied to above-mentioned compressor and supplies
Oily device, referring to Fig. 1 and Fig. 2, method includes the following steps:
Compressor oil sump when S1. making the pressure in the fuel feeding oil sump 4 of compressor oil-supplying device 100 inactive higher than compressor
Pressure, to guarantee that the oil when compressor is not opened in fuel feeding oil sump 4 can be injected into compressor oil sump 10.
Illustratively, in step sl, it can be pumped from fuel feeding oil sump 4 using oil is injected into fuel feeding oil sump 4, to
It is inflated in the gas compartment 3 of compressor oil-supplying device 100, and at least one of pumping mode from gas compartment 3, makes fuel feeding oil sump
Pressure of the interior pressure higher than compressor compressor oil sump 10 when inactive.
Illustratively, the 0.2~3MPa of pressure range in compressor oil pond 10 can be made, and by the above-mentioned means, make to supply
The range of pressure of the oil sump 4 when compressor is inactive is more than or equal to 3MPa.
S2. before starting compressor, the switch valve 5 of compressor oil-supplying device 100 is opened, makes the oil note of fuel feeding oil sump 4
Enter in compressor oil sump 10, after the pressure equilibrium in fuel feeding oil sump 4 and compressor oil sump 10 or after the time of setting, closes
Switch valve 5, to prevent the higher refrigeration oil of refrigerant content in compressor oil pond 10 to be back in fuel feeding oil sump 4.Then start
Compressor.
In step s 2, when compressor oil-supplying device 100 is to compressor oil-supplying, switch valve 5 is opened, in fuel feeding oil sump 4
Refrigeration oil be injected under the action of above-mentioned pressure difference in compressor oil sump 10, the drop of pressure of fuel feeding oil sump 4, compressor oil
The pressure in pond 10 rises, until fuel feeding oil sump 4 is with the pressure equilibrium of compressor oil sump 10 or after the time of setting, closing is opened
Valve 5 is closed, compressor oil-supplying device 100 terminates the fuel feeding of compressor.To compressor oil-supplying be made to fill before starting of air conditioner
100 are set as 10 fuel feeding of compressor oil sump, avoids oil starvation operating of the compressor when air-conditioning just starts.
S3. after machine to be compressed runs well, valve 5 is turned on the switch, makes the oil injection fuel feeding oil sump 4 of compressor oil sump 10；To
Fuel feeding oil sump 4 and pressure equilibrium in compressor oil sump 10 or after the time of setting, turn off the switch valve 5.It needs to illustrate
It is, after so-called " compressor normal operation " refers to compressor operation for a period of time, such as 10 minutes, frequency, pressure and row
Temperature degree is basicly stable after first increasing, and only fluctuates in smaller range.
In step s3, with the operating of compressor, pressure and temperature in compressor oil sump 10 are increased, and compressor is normal
After operating, the pressure in compressor oil sump 10 is higher than the pressure in fuel feeding oil sump 4, opens switch valve 5, compressor oil sump 10 at this time
Refrigeration oil injected in fuel feeding oil sump 4 under the action of pressure difference, until the pressure of compressor oil sump 10 and fuel feeding oil sump 4 is again
It balances or after the time of setting, turns off the switch valve 5, the oil storage of compressor oil-supplying device 100 terminates.
After step S3, air-conditioning shuts down to before start next time, and the pressure in compressor oil sump 10 stops because of compressor
It operates and gradually decreases, and fuel feeding oil sump 4, because of the closing of switch valve 5, internal pressure remains unchanged, and it is normal to be still equal to compressor
The pressure of compressor oil sump 10 when operating, so that compressor oil-supplying device 100 is made to can be realized the storage to high pressure refrigeration oil, with
Convenient for when air-conditioning starts next time, making 100 compressor oil-supplying of compressor oil-supplying device.
In addition, it should be noted that, compressor oil-supplying device 100 is used for the first time in above-mentioned compressor fuel supply method
When, refrigerant is practically free of in the refrigeration oil of fuel feeding oil sump 4.It is subsequent in use, compressor run well after, compressor oil sump 10
Interior freezing oil temperature is higher, and refrigerant content is lower, and turning on the switch valve 5 at this time makes compressor oil-supplying device 100 carry out oil storage,
Stored is the above-mentioned lower refrigeration oil of refrigerant content.Therefore, compressor oil-supplying device 100 is supplied next time to compressor
When oily, the lower refrigeration oil of refrigerant content injected into compressor oil sump 10 can also play the role of diluting refrigerant, to increase
The viscosity for having added refrigeration oil in compressor improves the lubricant effect of refrigeration oil in compressor.
Provide a kind of air-conditioning, including above-mentioned compressor fueller in another embodiment of the present invention, the air-conditioning with it is upper
The advantage for stating compressor oil-supplying device is identical, and details are not described herein again.
The foregoing is merely the protection scopes of the specific embodiment of the disclosure, but the disclosure to be not limited thereto, any
Those familiar with the art is in the technical scope that the disclosure discloses, and any changes or substitutions that can be easily thought of, all answers
Cover within the protection scope of the disclosure.Therefore, the protection scope of the disclosure should be with the scope of protection of the claims
It is quasi-.
Claims (11)
1. a kind of compressor oil-supplying device, which is characterized in that the compressor oil-supplying device includes:
Shell；
It is installed on the elastic diaphragm of the enclosure interior, it is gentle that the enclosure interior is divided into fuel feeding oil sump by the elastic diaphragm
Body room；
Fuel feed pump, one end of the fuel feed pump are connected with the fuel feeding oil sump, and the other end is connected to compressor oil sump, the fuel feeding
Switch valve is provided on the pipeline of pipe.
2. compressor oil-supplying device as described in claim 1, which is characterized in that the gas compartment is provided with inflating port, is used for
Body is filled and deflated by for the gas compartment.
3. compressor oil-supplying device as claimed in claim 2, which is characterized in that the gas is inert gas.
4. compressor oil-supplying device as described in claim 1, which is characterized in that the compressor oil-supplying device further include: set
It is placed in the pressure monitoring device of the fuel feeding oil sump, for the pressure in fuel feeding oil sump described in real-time monitoring.
5. compressor oil-supplying device as described in claim 1, which is characterized in that the fuel feeding oil sump is provided with oil injection structure,
The oil injection structure is used for the fuel feeding oil sump oiling or oil pumping.
6. compressor oil-supplying device as described in claim 1, which is characterized in that the switch valve is bidirectional electromagnetic valve.
7. compressor oil-supplying device as described in claim 1, which is characterized in that the material of the elastic diaphragm is rubber.
8. a kind of compressor oil-supplying method, which is characterized in that the compressor oil-supplying method is applied to such as claim 1~7 times
One compressor oil-supplying device, the compressor oil-supplying method include:
Make the pressure in the fuel feeding oil sump of the compressor oil-supplying device higher than the pressure of compressor compressor oil sump when inactive；
Before starting compressor, the switch valve of the compressor oil-supplying device is opened, makes the oil injection institute of the fuel feeding oil sump
It states in compressor oil sump；After the pressure equilibrium in the fuel feeding oil sump and the compressor oil sump or after the time of setting,
The switch valve is closed, the compressor is started；
After compressor normal operation, the switch valve is opened, the oil of the compressor oil sump is made to inject the fuel feeding oil
Pond；After the pressure equilibrium in the fuel feeding oil sump and the compressor oil sump or after the time of setting, the switch is closed
Valve.
9. compressor oil-supplying method as claimed in claim 8, which is characterized in that it is oily using being injected into the fuel feeding oil sump,
It pumps, is inflated into the gas compartment of the compressor oil-supplying device, and be evacuated from the gas compartment from the fuel feeding oil sump
At least one of mode, make pressure in the fuel feeding oil sump be higher than compressor it is inactive when compressor oil sump pressure.
10. compressor oil-supplying method as claimed in claim 9, which is characterized in that the range of the pressure of the compressor oil sump
For 0.2~3MPa, the range of pressure of the fuel feeding oil sump when the compressor is inactive is more than or equal to 3MPa.
11. a kind of air-conditioning, which is characterized in that the air-conditioning includes compressor oil-supplying dress as described in any one of claims 1 to 7
It sets.
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| CN201811123135.1A CN109282526A (en) | 2018-09-26 | 2018-09-26 | Compressor oil-supplying device and method, air-conditioning |
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| CN201811123135.1A CN109282526A (en) | 2018-09-26 | 2018-09-26 | Compressor oil-supplying device and method, air-conditioning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503628A (en) * | 2021-07-13 | 2021-10-15 | 珠海格力电器股份有限公司 | Air conditioning unit parameter adjusting method and device, electronic equipment and storage medium |
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| CN101070835A (en) * | 2007-06-04 | 2007-11-14 | 苏州昆拓冷机有限公司 | Compressor oil-supplying auxiliary device |
| CN101876310A (en) * | 2009-04-30 | 2010-11-03 | 中国科学院理化技术研究所 | Oil supply device for linear compressor |
| CN203550298U (en) * | 2013-09-12 | 2014-04-16 | 同方人工环境有限公司 | Oil balance device suitable for flooded unit compressor |
| CN104389763A (en) * | 2014-11-19 | 2015-03-04 | 珠海格力电器股份有限公司 | Air conditioner oiling device |
| CN105649991A (en) * | 2015-12-31 | 2016-06-08 | 深圳市共济科技有限公司 | Variable-frequency air conditioner and compressor oil return system thereof |
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| CN113503628A (en) * | 2021-07-13 | 2021-10-15 | 珠海格力电器股份有限公司 | Air conditioning unit parameter adjusting method and device, electronic equipment and storage medium |
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Application publication date: 20190129 |