CN105352237B - Air conditioner oil adding and reducing device, air conditioner oil adding method and oil reducing method - Google Patents
Air conditioner oil adding and reducing device, air conditioner oil adding method and oil reducing method Download PDFInfo
- Publication number
- CN105352237B CN105352237B CN201510821790.4A CN201510821790A CN105352237B CN 105352237 B CN105352237 B CN 105352237B CN 201510821790 A CN201510821790 A CN 201510821790A CN 105352237 B CN105352237 B CN 105352237B
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- air conditioner
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- accumulator tank
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005057 refrigeration Methods 0.000 claims description 90
- 238000012545 processing Methods 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 134
- 238000004378 air conditioning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F25B45/00—Arrangements for charging or discharging refrigerant
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to an air conditioner oil adding and reducing device, an air conditioner oil adding method and an oil reducing method. Wherein add the oil reduction device and include: the oil collecting tank, the first connecting pipe, the second connecting pipe, the third connecting pipe and the fourth connecting pipe are arranged in the oil collecting tank; the first end of the first connecting pipe is communicated with the top of the oil collecting tank, and the second end of the first connecting pipe is suitable for being communicated with the output end of an oil separator of an air conditioner; the third end of the second connecting pipe is communicated with the bottom of the oil collecting tank, and the fourth end of the second connecting pipe is suitable for being communicated with the output end of an evaporator of the air conditioner; the fifth end of the third connecting pipe is communicated with the bottom of the oil collecting tank, and the sixth end of the third connecting pipe is suitable for being communicated with an oil return end of the oil separator; the seventh end of the fourth connecting pipe is communicated with the top of the oil collecting tank, and the eighth end of the fourth connecting pipe is suitable for being communicated with the output end of the evaporator of the air conditioner; the first connecting pipe is provided with a first stop valve, the second connecting pipe is provided with a second stop valve, the third connecting pipe is provided with a third stop valve, and the fourth connecting pipe is provided with a fourth stop valve. By which the amount of the frozen oil in the air conditioner can be quantitatively increased or decreased.
Description
Technical field
The present invention relates to the methods that air-conditioning technical field more particularly to a kind of oily device of air conditioner plus-minus, air conditioner are refueled
With the method for subtracting oil.
Background technology
Air conditioner at runtime, needs the participation of refrigeration oil, the property of the groundwater increment of the refrigeration oil in air-conditioning system to complete machine
There are large effects with reliability for energy.Air conditioner matching experiment in, when be commonly present because freezing oil mass it is on the low side or on the high side
And the phenomenon that making air conditioner overall performance decay.But it is difficult that quantitatively the refrigeration oil in air-conditioner system is added or is put
Go out, to adjust the performance of air conditioner to a preferable state.Meanwhile in terms of the maintaining of air-conditioning, there is also cannot
Quantitative the problem of refrigeration oil in air-conditioner system is handled.
Invention content
Based on this, it is necessary in view of the above-mentioned problems, provide it is a kind of can quantify in air-conditioning system refrigeration oil carry out
Increase or the oily device of the air conditioner of reduction plus-minus, air conditioner refueling device, air conditioner subtract oily device, and corresponding air conditioner adds
The method that the method for oil, air conditioner subtract oil.
The oily device of a kind of air conditioner plus-minus that purpose provides to realize the present invention, for adding refrigeration oil for air conditioner, or
By the refrigeration oil discharge in the air conditioner, including accumulator tank, the first connecting tube, the second connecting tube, third connecting tube and the 4th
Connecting tube；
The accumulator tank is suitable for storage refrigeration oil；
The both ends of first connecting tube are respectively first end and second end, and the first end is connected to the top of the accumulator tank
Portion, the second end are suitable for being connected to the output end of the oil eliminator of the air conditioner；
The both ends of second connecting tube are respectively third end and the 4th end, and the third end is connected to the bottom of the accumulator tank
Portion, the 4th end are suitable for being connected to the evaporator output end of the air conditioner；
The both ends of the third connecting tube are respectively the 5th end and the 6th end, and the 5th end is connected to the bottom of the accumulator tank
Portion, the 6th end are suitable for being connected to the oil revolving end of the oil eliminator；
The both ends of 4th connecting tube are respectively the 7th end and the 8th end, and the 7th end is connected to the top of the accumulator tank
Portion, the 8th end are suitable for being connected to the evaporator output end of the air conditioner；And
It is provided with the first shut-off valve in first connecting tube, the second shut-off valve, institute are provided in second connecting tube
It states and is provided with third shut-off valve in third connecting tube, the 4th shut-off valve is provided in the 4th connecting tube.
The embodiment of oily device is added and subtracted as a kind of air conditioner, and the first capillary is additionally provided in the third connecting tube
Pipe；First capillary is arranged between the third shut-off valve and the 6th end of the third connecting tube.
The embodiment that oily device is added and subtracted as a kind of air conditioner, further includes the 5th connecting tube, second connecting tube
It is connected to the output end of the evaporator by the 5th connecting tube with the 4th connecting tube.
A kind of air conditioner refueling device based on same inventive concept, for adding refrigeration oil for air conditioner, including accumulator tank,
First connecting tube and the second connecting tube；
The accumulator tank is suitable for storage refrigeration oil；
The both ends of first connecting tube are respectively first end and second end, and the first end is connected to the top of the accumulator tank
Portion, the second end are suitable for being connected to the output end of the oil eliminator of the air conditioner；
The both ends of second connecting tube are respectively third end and the 4th end, and the third end is connected to the bottom of the accumulator tank
Portion, the 4th end are suitable for being connected to the evaporator output end of the air conditioner；And
It is provided with the first shut-off valve in first connecting tube, the second shut-off valve is provided in second connecting tube.
A kind of air conditioner based on same inventive concept subtracts oily device, for the refrigeration oil in the air conditioner to be discharged,
Including accumulator tank, third connecting tube and the 4th connecting tube；
The accumulator tank is suitable for storage refrigeration oil；
The both ends of the third connecting tube are respectively the 5th end and the 6th end, and the 5th end is connected to the bottom of the accumulator tank
Portion, the 6th end are suitable for being connected to the oil revolving end of the oil eliminator；
The both ends of 4th connecting tube are respectively the 7th end and the 8th end, and the 7th end is connected to the top of the accumulator tank
Portion, the 8th end are suitable for being connected to the evaporator output end of the air conditioner；And
It is provided with third shut-off valve in the third connecting tube, the 4th shut-off valve is provided in the 4th connecting tube.
The method that a kind of air conditioner based on same inventive concept refuels, by air conditioner above-mentioned add and subtract oily device with will be into
The air conditioner connection of row oiling processing, and start air conditioner operation, this approach includes the following steps：
Third shut-off valve and the 4th shut-off valve are closed, and opens the first shut-off valve and the second shut-off valve by pressure difference by oil-collecting
Refrigeration oil in tank is injected into compressor；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing first shut-off valve and institute
State the second shut-off valve；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
As the embodiment for a kind of method that air conditioner refuels, first shut-off valve and second cut-off are closed
When valve, first closes second shut-off valve and turn off first shut-off valve.
The embodiment of method as a kind of oiling of air conditioner further includes the steps that following oiling and is vacuumized：
Refrigeration oil is added in the accumulator tank by the pump nozzle on accumulator tank；
The second shut-off valve and third shut-off valve are closed, and opens the first shut-off valve and the 4th shut-off valve, is run in air conditioner
The accumulator tank is vacuumized under pressure；And
After the completion of vacuumizing, then execute the step that the refrigeration oil by accumulator tank is injected into compressor.
The method that a kind of air conditioner based on same inventive concept refuels, by air conditioner refueling device above-mentioned with to carry out
The air conditioner handled that refuels connects, and starts air conditioner operation, and this approach includes the following steps：
The first shut-off valve and the second shut-off valve is opened the refrigeration oil in accumulator tank is injected into compressor by pressure difference；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing second shut-off valve successively
With first shut-off valve；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
The method that a kind of air conditioner based on same inventive concept subtracts oil, by air conditioner above-mentioned add and subtract oily device with will be into
Row subtracts the air conditioner connection of oil processing, and starts air conditioner operation, and this approach includes the following steps：
The first shut-off valve and the second shut-off valve are closed, and opens third shut-off valve and the 4th shut-off valve, it will be empty by pressure difference
The refrigeration oil in device is adjusted to be discharged in the accumulator tank；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing third shut-off valve and the successively
Four shut-off valves；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
The method embodiment for subtracting oil as a kind of air conditioner further includes the steps that vacuumizing below：
The second shut-off valve and third shut-off valve are closed, and opens the first shut-off valve and the 4th shut-off valve, is run in air conditioner
The accumulator tank is vacuumized under pressure；And
After the completion of vacuumizing, then execute the step that the refrigeration oil by air conditioner is discharged in the accumulator tank.
The method that a kind of air conditioner based on same inventive concept subtracts oil, air conditioner above-mentioned is subtracted oily device and carried out
The air conditioner handled that refuels connects, and starts air conditioner operation, and this approach includes the following steps：
Third shut-off valve and the 4th shut-off valve are opened, the refrigeration oil in air conditioner is discharged to by the accumulator tank by pressure difference
In；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing third shut-off valve and the successively
Four shut-off valves；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
Beneficial effects of the present invention include：A kind of oily device of air conditioner plus-minus provided by the invention, can pass through connecting tube
Road is increased or is reduced to the amount of refrigeration oil in the air conditioner that is connected at any time.And it can be by measuring or observing oil-collecting
In tank in air conditioner of the amount of refrigeration oil to determine increase or reduction refrigeration oil amount.It is suitable in air conditioner to advantageously ensure that
The amount of refrigeration oil ensures the performance of air conditioner.Meanwhile also allowing for the maintenance to air conditioner using the device of the embodiment of the present invention
And maintenance.
Description of the drawings
Fig. 1 is a kind of schematic diagram that a specific embodiment of the oily device of air conditioner plus-minus is connect with air conditioner of the present invention；
Fig. 2 is a kind of schematic diagram that the another specific embodiment of the oily device of air conditioner plus-minus is connect with air conditioner of the present invention；
Fig. 3 is a kind of schematic diagram that a specific embodiment of air conditioner refueling device is connect with air conditioner of the present invention；
Fig. 4 is that a kind of air conditioner of the present invention subtracts the schematic diagram that a specific embodiment of oily device is connect with air conditioner.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing to the present invention's
The oily device of air conditioner plus-minus, air conditioner refueling device, air conditioner subtract the method for oily device and air conditioner oiling, air conditioner subtracts oil
The specific implementation mode of method illustrate.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
Cooperation air conditioner uses when the air conditioner plus-minus of the present invention oily device, for adding refrigeration oil for air conditioner, or
The refrigeration oil discharge in air conditioner is especially applied in terms of air conditioner for matching experiment and air conditioner maintaining.
Fig. 1 is the schematic diagram after the oily device of air conditioner plus-minus of one embodiment of the invention is connect with the air conditioner to be debugged.
Wherein, in the dotted line frame of right side it is air conditioner structure, is the oily device of air conditioner plus-minus of one embodiment of the invention in left-hand broken line frame,
The plus-minus oil device includes accumulator tank 600, the first connecting tube 100, the second connecting tube 200, the company of third connecting tube 300 and the 4th
Take over 400.
Wherein, the accumulator tank 600 in the lower left corner is suitable for storage refrigeration oil.The refrigeration oil that accumulator tank 600 is stored include from
Outside addition, prepare the refrigeration oil being injected into air-conditioning system, further includes the refrigeration oil ejected from air conditioner
Herein, the both ends of the first connecting tube 100 are claimed to be respectively first end and second end.The first end and second end is
To the address of first 100 two ends of connecting tube, used as distinguishing, the one the second without other priorities that sort meaning.Wherein,
The top of the first end connection accumulator tank 600 of first connecting tube 100, second end are suitable for being connected to the defeated of the oil eliminator of air conditioner
Outlet.
Herein it should be noted that after the oily device of air conditioner plus-minus of the embodiment of the present invention connects, the first connecting tube
100 first end is hanging, this one end is required connect on the air conditioner that carry out adding and subtracting oil control.And it is using
When, it is the high extrusion of the output end and compressor of the oil eliminator that the second end of the first connecting tube 100 is connected to air conditioner
Gas port end.It is, therefore, to be understood that the device of the embodiment of the present invention is when in use, air conditioner is in the state of operation, the first connection
Pipe 100 in the state of connection, inside be filled with high pressure gas.The device at work can will be empty by the first pipeline
Device mesohigh gas is adjusted to be input in accumulator tank 600.
It is respectively third end and the 4th end to claim the both ends of the second connecting tube 200 herein.It is different from the first connecting tube 100
It is the bottom of the third end connection accumulator tank 600 of the second connecting tube 200.And the evaporator that the 4th end is used to be connected to air conditioner is defeated
Outlet.The evaporator output end corresponds to the low-pressure side of compressor.Therefore, it can be said that the second connecting tube 200 is in the operating condition
It is to be in low-pressure state.Its main function is that the refrigeration oil in accumulator tank 600 is flowed into the pipeline of air conditioner.
Similar, it is respectively the 5th end and the 6th end to claim the both ends of third connecting tube 300.Wherein, the 5th end is connected to oil-collecting
The bottom of tank 600, the 6th end are connected to the oil revolving end of oil eliminator.The oil revolving end of oil eliminator is also the High voltage output with compressor
End connection, accordingly, it is believed that the third connecting tube 300 of the embodiment of the present invention is also a pressure duct.This pipeline
Effect is to be flowed back into the refrigeration oil in oil of air conditioner separator in accumulator tank 600 by it.
It is respectively the 7th end and the 8th end to claim the both ends of the 4th connecting tube 400.Wherein, the 7th end is connected to accumulator tank 600
Top, the 8th end are connected to the evaporator output end of air conditioner.
It should be noted that (the first connecting tube 100, the second connecting tube 200, third connect the connecting tube of the embodiment of the present invention
Take over 300 or the 4th connecting tube 400) top of connection accumulator tank 600 refers to, the end of connecting tube in the inside of accumulator tank 600,
And in the top half of accumulator tank 600, in other words more preferably, it is proximate at the position of 600 upper top cover of accumulator tank；And connecting tube connects
The bottom of logical accumulator tank 600 refers to, the end of connecting tube is in the inside of accumulator tank 600, and in the lower half portion of accumulator tank 600,
In other words more preferably, it is at the position that accumulator tank 600 is gone to the bottom.And specific connecting tube be from the upper surface of accumulator tank 600,
Below or measures and enter in accumulator tank 600 and be all possible.As shown in Figure 1, third connecting tube 300 and the second connecting tube
200 be all to be connected to the bottom of accumulator tank 600, but third connecting tube 300 is to be inserted into oil-collecting from the upper surface of accumulator tank 600
In tank 600, and the second connecting tube 200 is inserted into accumulator tank 600 from the bottom of accumulator tank 600.
Wherein, the first connecting tube 100 and the 4th connecting tube 400 being connected to 600 top of accumulator tank are circulated for gas
, and the second connecting tube 200 and third connecting tube 300 that are connected to 600 bottom of accumulator tank are mainly used for liquid communication.Cause
This is inserted into for refrigeration oil to be flowed back into the third connecting tube 300 in accumulator tank 600 from the upper top cover in accumulator tank 600
It is a kind of more preferably embodiment party to being conducive to that refrigeration oil is flowed into accumulator tank 600 by gravity in accumulator tank 600
Formula.And the second connecting tube 200 for being used to be flowed into the refrigeration oil in accumulator tank 600 in air conditioner, from accumulator tank 600
It is also a kind of embodiment preferably that bottom surface, which is inserted into accumulator tank 600, be conducive to refrigeration oil in accumulator tank 600 from
The port at the third end of the second connecting tube 200 enters in the second connecting tube 200.
And as shown in Figure 1, it is provided with the first cut-off in the first connecting tube 100 of the oily device of air conditioner plus-minus of the embodiment
Valve 110 is provided with the second shut-off valve 210 in second connecting tube 200, third shut-off valve 310 is provided in third connecting tube 300,
It is provided with the 4th shut-off valve 410 in 4th connecting tube 400.Because the oily device of air conditioner plus-minus of the embodiment of the present invention is working
Under state, the high pressure outlet air mouth end of 300 connect compressor of the first connecting tube 100 and third connecting tube, so the also referred to as first cut-off
Valve 110 and third shut-off valve 310 are high-pressure stop valve；And the second connecting tube 200 and the 4th connecting tube 400 are all connected to compressor
Low-pressure admission mouth side, therefore the second shut-off valve 210 and the 4th shut-off valve 410 are referred to as low-pressure shutoff valve.
Wherein, the first connecting tube 100, the second connecting tube 200, third connecting tube 300 and the 4th connecting tube 400 can be appropriate
It can be by being welded and fixed after position and the pipeline connection on air conditioner.
In addition, pump nozzle 610 is provided on accumulator tank 600, and 600 side wall of accumulator tank is marked with scale.Oiling can be passed through
Suitable refrigeration oil is added into accumulator tank 600 for mouth 610, and the refrigeration oil in accumulator tank 600 is passed through four when needed
Suitable pipeline in article pipeline (the first connecting tube 100, the second connecting tube 200, third connecting tube 300 and the 4th connecting tube 400)
It is injected into air conditioner, or the refrigeration oil in air conditioner is flow back into accumulator tank 600 by suitable pipeline.And it refuels
Either subtracting the amount of oil, can to have more Fuel Oil Remaining in accumulator tank 600 fixed so as to be realized to the amount for refueling or subtracting oil to judge
Amount.The specific course of work, reference can be made to the method for astern fueling and subtract oil method.
In this way, after using the oily device of air conditioner plus-minus of the embodiment of the present invention, it can be by connecting line at any time to connecting
The amount of refrigeration oil is increased or is reduced in the air conditioner connect.And it can be freezed by measuring or observing in accumulator tank 600
The amount of refrigeration oil in air conditioner of the amount of oil to determine increase or reduction.Advantageously ensure that suitable refrigeration oil in air conditioner
It measures to ensure the performance of air conditioner.Meanwhile also allowing for the care and maintenance to air conditioner using the device of the embodiment of the present invention.
More preferably, the first capillary 320 is additionally provided in third connecting tube 300 in one of the embodiments,.And first
Capillary 320 is arranged between third shut-off valve 310 and the 6th end of third connecting tube 300.First capillary 320 and air conditioner
In oil return capillary function, effect it is essentially identical.The setting of first capillary 320 makes refrigeration oil be flow back into from oil eliminator
The effect of accumulator tank 600 is more preferable.
More preferably, further include the 5th company as shown in Fig. 2, in the plus-minus oil device of the air conditioner of wherein one embodiment
Take over 500.Second connecting tube 200 and the 4th connecting tube 400 are connect with one end of the 5th connecting tube 500, and the 5th connecting tube
500 other end is connected to the output end of the evaporator in air conditioner.To the second connecting tube 200 and the 4th connecting tube 400
It is connected to the output end of evaporator by the 5th connecting tube 500.
After being arranged in this way, in whole device, the second connecting tube 200 and the 4th connecting tube 400 and the 5th connecting tube 500 it
Between can connect in advance, and when device is connect with air conditioner, it is only necessary to will the 5th connecting tube 500 in air conditioner
Appropriate location welding connection.Whole device is set to easily facilitate use.
Similar, it is based on same inventive concept, the present invention also provides a kind of air conditioner refueling devices, for adding for air conditioner
Refrigeration oil.As shown in figure 3, including accumulator tank 600, the first connecting tube 100 and the second connecting tube 200.
Wherein, accumulator tank 600 is suitable for storage refrigeration oil；The both ends of first connecting tube 100 are respectively first end and second
End, first end are connected to the top of accumulator tank 600, and second end is suitable for being connected to the output end of the oil eliminator of air conditioner；
The both ends of second connecting tube 200 are respectively third end and the 4th end, and third end is connected to the bottom of accumulator tank 600, the
Four ends are suitable for being connected to the evaporator output end of air conditioner；And first is provided with the first shut-off valve 110 in connecting tube 100, second
The second shut-off valve 210 is provided in connecting tube 200.
Comparison diagram 3 and Fig. 1 can be seen that the air conditioner refueling device and air conditioner above-mentioned plus-minus oil of the embodiment of the present invention
Device has prodigious something in common in terms of structure and connection type.The dress in fact, air conditioner of the embodiment of the present invention refuels
The part that may be considered the oily device of air conditioner plus-minus above-mentioned is set, only without third connecting tube 300, the 4th connecting tube
400 and corresponding connecting tube on kit.Other elements identical with the oily device of air conditioner plus-minus are in structure and connection type
On to add and subtract oily device with air conditioner identical.As preferably connection type is from the upper top cover of accumulator tank 600 to the first connecting tube 100
It is inserted into accumulator tank 600, and the preferably connection type of the second connecting tube 200 is to be inserted into from the lower bottom cover of accumulator tank 600
In accumulator tank 600.
And pump nozzle 610 is also equipped on accumulator tank 600, and it is labeled with scale.
Using the air conditioner refueling device of the embodiment of the present invention, can conveniently, quantitative refrigeration oil in air conditioner is increased
Amount processing, being especially applied in the maintaining of air conditioner can be very convenient.
Similar, as shown in figure 4, the present invention also provides a kind of air conditioners to subtract oily device, it is used for the freezing in air conditioner
Oil discharge, including accumulator tank 600, third connecting tube 300 and the 4th connecting tube 400.
Wherein, accumulator tank 600 is suitable for storage refrigeration oil；The both ends of third connecting tube 300 are respectively the 5th end and the 6th
End, the 5th end are connected to the bottom of accumulator tank 600, and the 6th end is suitable for being connected to the oil revolving end of oil eliminator；4th connecting tube 400
Both ends are respectively the 7th end and the 8th end, and the 7th end is connected to the top of accumulator tank 600, and the 8th end is suitable for being connected to the steaming of air conditioner
Send out device output end；And third shut-off valve 310 is provided in third connecting tube 300, the 4th cut-off is provided in the 4th connecting tube 400
Valve 410.
The air conditioner that comparison diagram 4 and Fig. 1 can be seen that the embodiment of the present invention subtracts oily device and may be considered air-conditioning above-mentioned
A part for the oily device of device plus-minus, only without matching in the first connecting tube 100, the second connecting tube 200 and corresponding connecting tube
Cover element.Other elements identical with the oily device of air conditioner plus-minus add and subtract oil dress in structure and connection type with air conditioner
It sets identical.As preferably connection type is to be inserted into the bottom of accumulator tank 600 from the upper top cover of accumulator tank 600 to third connecting tube 300
Portion, and the preferably connection type of the 4th connecting tube 400 is the top being inserted into from the upper top cover of accumulator tank 600 in accumulator tank 600
Portion.
And also it is labeled with scale on accumulator tank 600.
Subtract oily device using the air conditioner of the embodiment of the present invention, can under the operating pressure of air conditioner, it is quantitative will be empty
Adjust the refrigeration oil extraction section in device.And the third shut-off valve 310 in third connecting tube 300 is closed when extracted amount reaches requirement
And the 4th the 4th shut-off valve 410 in connecting tube 400.
The present invention also provides a kind of methods that air conditioner refuels, when adding refrigeration oil using this method for air conditioner, first
The oily device of air conditioner plus-minus of aforementioned any embodiment is connect with the air conditioner of oiling processing to be carried out, and starts air conditioner fortune
Row.The process that refrigeration oil is specifically added to air conditioner includes the following steps：
S100 closes third shut-off valve 310 and the 4th shut-off valve 410, and opens the first shut-off valve 110 and the second shut-off valve
210 are injected into the refrigeration oil in accumulator tank 600 in compressor by pressure difference.
If Fig. 1 or Fig. 2 is high in the first connecting tube 100 after the oily device of air conditioner plus-minus is connected with air conditioner
It presses, is low pressure in the second connecting tube 200, and to carry out the addition of refrigeration oil to air conditioner, be that can carry in the accumulator tank 600 of device
Preceding some refrigeration oils of storage.After opening shut-off valve, the refrigeration oil of bottom can be high in the first connecting tube 100 in accumulator tank 600
The second connecting tube of extruding lower edge 200 of body of calming the anger is flowed into the pipeline of air conditioner, realizes the addition to the refrigeration oil of air conditioner.
The pressure difference refers to the third of the pressure and the second connecting tube 200 on 600 top of the first connecting tube 100 connection accumulator tank
Hold the pressure difference between port.
Whether S200, the scale detected on accumulator tank 600 reach designated position, if so, closing 110 He of the first shut-off valve
Second shut-off valve 210；If it is not, then remaining unchanged, until the scale on accumulator tank 600 reaches designated position.
Because being labeled with scale when on accumulator tank 600, therefore, can be judged in accumulator tank 600 according to the display of scale
Changing to determine the amount for the refrigeration oil being added in air conditioner for oil mass, accurately controls addition freezing oil mass to realize.
Herein, the designated position refers to according to accumulator tank before the first shut-off valve 110 of opening and the second shut-off valve 210
It is answered in the amount of refrigeration oil in 600, and the accumulator tank 600 that determines in advance of the amount of refrigeration oil that be added in air conditioner remaining
The corresponding scale of amount of refrigeration oil.
Preferably, as a kind of embodiment, when closing the first shut-off valve 110 and the second shut-off valve 210, first close
It closes the second shut-off valve 210 and turns off the first shut-off valve 110.In this way, it is more acurrate to be flowed into the control of the amount in air conditioner to refrigeration oil.
Further include following oiling and the step that vacuumizes in addition, in the method refueled of air conditioner of wherein one embodiment
Suddenly：
Refrigeration oil is added in accumulator tank 600 by S010 by the pump nozzle 610 on accumulator tank 600.
Because being in refrigeration oil to air conditioner to be added, it is therefore desirable to suitable freezing be added in accumulator tank 600 in advance
Oil.The amount specifically added can be added as needed on the amount in air conditioner to determine, but preferably, it is generally unsuitable excessive or
Very few, preferably there are certain spaces at the top of accumulator tank 600, and oil mass should be ensured that can cover the second connecting tube
200 third end and the 5th end of third connecting tube 300.
After injecting suitable refrigeration oil in accumulator tank 600, pump nozzle 610 is closed, and continue to execute following step S020.
S020 closes the second shut-off valve 210 and third shut-off valve 310, and opens the first shut-off valve 110 and the 4th shut-off valve
410, accumulator tank 600 is vacuumized under air conditioner operating pressure.
The air on 600 top of accumulator tank is discharged this step.And after the completion of vacuumizing, then it will collect by step S100, S200
Refrigeration oil in oil tank 600 is injected into compressor.
Correspondingly, air conditioner refueling device as indicated at 3 can also be used to carry out oiling processing to air conditioner.Use air-conditioning
When device refueling device, also the device and air conditioner to be processed are attached first, and start air conditioner operation.And it refuels
Process include the following steps：
S101 opens the first shut-off valve 110 and the second shut-off valve 210 and is noted the refrigeration oil in accumulator tank 600 by pressure difference
Enter into compressor.
S102, whether the scale detected on accumulator tank 600 reaches designated position, if so, closing the second shut-off valve successively
210 and first shut-off valve 110；If it is not, then remaining unchanged, until the scale on accumulator tank 600 reaches designated position.
It can be seen that in conjunction with step S100 and S200 and adding for refrigeration oil carried out for air conditioner using air conditioner refueling device
Add and add and subtract oily device addition refrigeration oil to air conditioner with using air conditioner, the process of the two addition oil is essentially identical.Only use
The not control to third shut-off valve 310 and the 4th shut-off valve 410 when air conditioner refueling device.Certainly it there will not be to accumulator tank
600 the step of vacuumizing.It will be recognized to those skilled in the art that still having through pump nozzle 610 into accumulator tank 600
The step of adding refrigeration oil, to ensure to have sufficient refrigeration oil that can be added in air conditioner in accumulator tank 600.Also it is exactly
The step of being vacuumized to accumulator tank 600 can individually be carried out by external equipment.
It is obvious that can also realize the quantitative addition to air conditioner refrigeration oil using air conditioner refueling device.
The present invention also provides a kind of air conditioner subtract oil method, this method when in use, first by aforementioned any embodiment
The oily device of air conditioner plus-minus connect with the air conditioner that carry out subtracting oil processing, and start air conditioner and run.Specifically in air-conditioning
The reduction process of refrigeration oil includes the following steps：
Q100 closes the first shut-off valve 110 and the second shut-off valve 210, and opens third shut-off valve 310 and the 4th shut-off valve
410, the refrigeration oil in air conditioner is discharged in accumulator tank 600 by pressure difference.
The pressure difference refers to the 7th end end of the 5th end port pressure and the 4th connecting tube 400 of third connecting tube 300
The pressure of mouth.
Wherein, what third connecting tube 300 connected is high-pressure side, the low-pressure end of the 4th connecting tube 400 connection, in air conditioner
Under compressor pressure, the refrigeration oil in oil eliminator can be flowed by third connecting tube 300 in accumulator tank 600, and air conditioner is made
In refrigeration oil reduce.
Whether Q200, the scale detected on accumulator tank 600 reach designated position, if so, closing third shut-off valve successively
310 and the 4th shut-off valve 410；If it is not, then remaining unchanged, until the scale on accumulator tank 600 reaches designated position.
Designated position refers to herein, according to the freezing for storing oil mass in accumulator tank 600 originally and will be in the air conditioner of reduction
The corresponding scale of amount for the refrigeration oil that should finally have in the accumulator tank 600 that the oil mass of oil calculates.
Refrigeration oil in the reduction air conditioner that can be quantified using this method.
So far, still further it can be seen that, it is that the oily device of air conditioner plus-minus can be used to carry out oiling processor to air conditioner to subtract oil
Processing.And in the process of processing to the refrigeration oil in air conditioner, the freezing in air conditioner and the oily device of air conditioner plus-minus
Shown in arrow during oily flow direction is as shown in Figure 1, Figure 2.
Method similar with the method that air conditioner above-mentioned refuels, that air conditioner of the invention subtracts oil, can also include following
The step of vacuumizing：
Q020 closes the second shut-off valve 210 and third shut-off valve 310, and opens the first shut-off valve 110 and the 4th shut-off valve
410, accumulator tank 600 is vacuumized under air conditioner operating pressure；And
After the completion of vacuumizing, then by step Q100 and step Q200 the refrigeration oil in air conditioner is discharged in accumulator tank 600.
As a kind of embodiment, oily device can also be subtracted using air conditioner above-mentioned, reduction freezing is carried out to air conditioner
Oil processing.After starting air conditioner operation, execute as follows：
Q101 opens third shut-off valve 310 and the 4th shut-off valve 410, is discharged to the refrigeration oil in air conditioner by pressure difference
In accumulator tank 600.
Whether Q102, the scale detected on accumulator tank 600 reach designated position, if so, closing third shut-off valve successively
310 and the 4th shut-off valve 410；If it is not, then remaining unchanged, until the scale on accumulator tank 600 reaches designated position.
It can be seen that in conjunction with step Q100 and Q200 and subtract oily device subtracting for air conditioner progress refrigeration oil using air conditioner
It is few with add and subtract oily device using air conditioner and reduce refrigeration oil in air conditioner, the two add subtract oil process it is essentially identical.Only make
The not control to the first shut-off valve 110 and the second shut-off valve 210 when subtracting oily device with air conditioner.
Also quantitatively the refrigeration oil in air conditioner can be reduced but it is clear that subtracting oily device using air conditioner
Processing.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of oily device of air conditioner plus-minus, for adding refrigeration oil for air conditioner, or the refrigeration oil in the air conditioner is arranged
Go out, which is characterized in that including accumulator tank (600), the first connecting tube (100), the second connecting tube (200), third connecting tube (300)
And the 4th connecting tube (400)；
The accumulator tank (600) is suitable for storage refrigeration oil；
The both ends of first connecting tube (100) are respectively first end and second end, and the first end is connected to the accumulator tank
(600) top, the second end are suitable for being connected to the output end of the oil eliminator of the air conditioner；
The both ends of second connecting tube (200) are respectively third end and the 4th end, and the third end is connected to the accumulator tank
(600) bottom, the 4th end are suitable for being connected to the evaporator output end of the air conditioner；
The both ends of the third connecting tube (300) are respectively the 5th end and the 6th end, and the 5th end is connected to the accumulator tank
(600) bottom, the 6th end are suitable for being connected to the oil revolving end of the oil eliminator；
The both ends of 4th connecting tube (400) are respectively the 7th end and the 8th end, and the 7th end is connected to the accumulator tank
(600) top, the 8th end are suitable for being connected to the evaporator output end of the air conditioner, the 4th connecting tube (400)
It is to circulate for gas；And
It is provided with the first shut-off valve (110) on first connecting tube (100), is provided on second connecting tube (200)
Two shut-off valves (210) are provided with third shut-off valve (310), the 4th connecting tube (400) on the third connecting tube (300)
On be provided with the 4th shut-off valve (410).
2. the oily device of air conditioner plus-minus according to claim 1, which is characterized in that on the third connecting tube (300) also
It is provided with the first capillary (320)；First capillary (320) is arranged in the third shut-off valve (310) and the third
Between the 6th end of connecting tube (300).
3. the oily device of air conditioner plus-minus according to claim 1, which is characterized in that further include the 5th connecting tube (500), institute
The second connecting tube (200) and the 4th connecting tube (400) are stated by the 5th connecting tube (500) and the evaporator
Output end is connected to.
4. a kind of method that air conditioner refuels, which is characterized in that claims 1 to 3 any one of them air conditioner is added and subtracted oil
Device is connect with the air conditioner of oiling processing to be carried out, and starts air conditioner operation, and this approach includes the following steps：
Third shut-off valve and the 4th shut-off valve are closed, and the first shut-off valve of opening and the second shut-off valve will be in accumulator tanks by pressure difference
Refrigeration oil be injected into compressor；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing first shut-off valve and described the
Two shut-off valves；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
5. the method that air conditioner according to claim 4 refuels, which is characterized in that close first shut-off valve and described
When second shut-off valve, first closes second shut-off valve and turn off first shut-off valve.
6. the method that air conditioner according to claim 4 refuels, which is characterized in that further include following oiling and vacuumize
Step：
Refrigeration oil is added in the accumulator tank by the pump nozzle on accumulator tank；
The second shut-off valve and third shut-off valve are closed, and opens the first shut-off valve and the 4th shut-off valve, in air conditioner operating pressure
Under the accumulator tank is vacuumized；And
After the completion of vacuumizing, then execute the step that the refrigeration oil by accumulator tank is injected into compressor.
7. a kind of method that air conditioner refuels, which is characterized in that by air conditioner refueling device described in claim 1 with to carry out
The air conditioner handled that refuels connects, and starts air conditioner operation, and this approach includes the following steps：
The first shut-off valve and the second shut-off valve is opened the refrigeration oil in accumulator tank is injected into compressor by pressure difference；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing second shut-off valve and institute successively
State the first shut-off valve；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
8. a kind of method that air conditioner subtracts oil, which is characterized in that claims 1 to 3 any one of them air conditioner is added and subtracted oil
Device is connect with the air conditioner that carry out subtracting oil processing, and starts air conditioner operation, and this approach includes the following steps：
The first shut-off valve and the second shut-off valve are closed, and opens third shut-off valve and the 4th shut-off valve, by pressure difference by air conditioner
In refrigeration oil be discharged in the accumulator tank；
Detect whether the scale on the accumulator tank reaches designated position, if so, closing third shut-off valve and the 4th section successively
Only valve；If it is not, then remaining unchanged, until the scale on the accumulator tank reaches designated position.
9. the method that air conditioner according to claim 8 subtracts oil, which is characterized in that further include the steps that vacuumizing below：
The second shut-off valve and third shut-off valve are closed, and opens the first shut-off valve and the 4th shut-off valve, in air conditioner operating pressure
Under the accumulator tank is vacuumized；And
After the completion of vacuumizing, then execute the step that the refrigeration oil by air conditioner is discharged in the accumulator tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821790.4A CN105352237B (en) | 2015-11-23 | 2015-11-23 | Air conditioner oil adding and reducing device, air conditioner oil adding method and oil reducing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821790.4A CN105352237B (en) | 2015-11-23 | 2015-11-23 | Air conditioner oil adding and reducing device, air conditioner oil adding method and oil reducing method |
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| Publication Number | Publication Date |
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| CN105352237B true CN105352237B (en) | 2018-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107188106A (en) * | 2016-03-14 | 2017-09-22 | 谢德风 | Refrigerating oil replacing device for fully-enclosed compressor of refrigerating cycle system |
| KR102882864B1 (en) * | 2022-12-30 | 2025-11-07 | (주)오운알투텍 | Separation and purification system for azeotropic mixed waste refrigerant and Separation and purification method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3940836B2 (en) * | 2002-03-18 | 2007-07-04 | ダイキン工業株式会社 | Compression mechanism of refrigeration equipment |
| CN101915477A (en) * | 2010-07-01 | 2010-12-15 | 大连三洋压缩机有限公司 | Novel energy-saving refrigerating unit and working method thereof |
| CN102305439B (en) * | 2011-06-29 | 2014-04-02 | 宁波奥克斯电气有限公司 | Multi-connected air-conditioning unit |
| CN202746150U (en) * | 2012-05-31 | 2013-02-20 | 淮南矿业(集团)有限责任公司 | Oil filling device for refrigerating machine |
| CN203454498U (en) * | 2013-07-05 | 2014-02-26 | 广东美的暖通设备有限公司 | Refrigerant oil filling device, refrigerant oil filling assembly and air conditioner |
| CN104389763A (en) * | 2014-11-19 | 2015-03-04 | 珠海格力电器股份有限公司 | Air conditioner oiling device |
| CN204285916U (en) * | 2014-12-05 | 2015-04-22 | 广西桂物金岸制冷空调技术有限责任公司 | A kind of central air conditioning main frame row oiling device |
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