CN105352237A - 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 PDF

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Publication number
CN105352237A
CN105352237A CN201510821790.4A CN201510821790A CN105352237A CN 105352237 A CN105352237 A CN 105352237A CN 201510821790 A CN201510821790 A CN 201510821790A CN 105352237 A CN105352237 A CN 105352237A
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China
Prior art keywords
air
conditioner
stop valve
tube connector
accumulator tank
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Granted
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CN201510821790.4A
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Chinese (zh)
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CN105352237B (en
Inventor
李彬
李毛古
王�琦
牛朋涛
胥宗朋
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201510821790.4A priority Critical patent/CN105352237B/en
Publication of CN105352237A publication Critical patent/CN105352237A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00Arrangements 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

The method that oily device added and subtracted by air-conditioner, air-conditioner refuels and the method subtracting oil
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of method that oily device added and subtracted by air-conditioner, air-conditioner refuels and the method subtracting oil.
Background technology
Air-conditioner operationally, needs the participation of refrigeration oil, and the groundwater increment of the refrigeration oil in air-conditioning system exists larger impact to the Performance And Reliability of complete machine.In the Matching Experiment of air-conditioner, often exist because freezing oil mass is on the low side or on the high side and make the phenomenon that air-conditioner overall performance is decayed.But be difficult to quantitatively the refrigeration oil in air-conditioner system added or release, regulate the performance of air-conditioner to a preferably state.Meanwhile, for the maintaining aspect of air-conditioning, also existing can not quantitatively to the problem that the refrigeration oil in air-conditioner system processes.
Summary of the invention
Based on this, be necessary for the problems referred to above, provide a kind of can be quantitative oily device is added and subtracted to the air-conditioner that the refrigeration oil in air-conditioning system increases or reduces, air-conditioner refueling device, air-conditioner subtracts oily device, and corresponding the air-conditioner method, the air-conditioner that refuel subtract the method for oil.
Oily device added and subtracted by a kind of air-conditioner provided for realizing the object of the invention, for adding refrigeration oil for air-conditioner, or being discharged by the refrigeration oil in described air-conditioner, comprising accumulator tank, the first tube connector, the second tube connector, the 3rd tube connector and the 4th tube connector;
Described accumulator tank is applicable to store refrigeration oil;
The two ends of described first tube connector are respectively first end and the second end, and described first end is communicated with the top of described accumulator tank, and described second end is applicable to the output of the oil eliminator being communicated with described air-conditioner;
The two ends of described second tube connector are respectively the 3rd end and the 4th end, and described 3rd end is communicated with the bottom of described accumulator tank, and described 4th end is applicable to the evaporimeter output being communicated with described air-conditioner;
The two ends of described 3rd tube connector are respectively five terminal and the 6th end, and described five terminal is communicated with the bottom of described accumulator tank, and described 6th end is applicable to the oil revolving end being communicated with described oil eliminator;
The two ends of described 4th tube connector are respectively the 7th end and the 8th end, and described 7th end is communicated with the top of described accumulator tank, and described 8th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described first tube connector is provided with the first stop valve, described second tube connector is provided with the second stop valve, described 3rd tube connector is provided with the 3rd stop valve, described 4th tube connector is provided with the 4th stop valve.
Add and subtract the embodiment of oily device as a kind of air-conditioner, described 3rd tube connector is also provided with the first capillary; Described first capillary is arranged between described 3rd stop valve and described 6th end of described 3rd tube connector.
Add and subtract the embodiment of oily device as a kind of air-conditioner, also comprise the 5th tube connector, described second tube connector is all communicated with the output of described evaporimeter by described 5th tube connector with described 4th tube connector.
Based on a kind of air-conditioner refueling device of same inventive concept, for adding refrigeration oil for air-conditioner, comprise accumulator tank, the first tube connector and the second tube connector;
Described accumulator tank is applicable to store refrigeration oil;
The two ends of described first tube connector are respectively first end and the second end, and described first end is communicated with the top of described accumulator tank, and described second end is applicable to the output of the oil eliminator being communicated with described air-conditioner;
The two ends of described second tube connector are respectively the 3rd end and the 4th end, and described 3rd end is communicated with the bottom of described accumulator tank, and described 4th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described first tube connector is provided with the first stop valve, described second tube connector is provided with the second stop valve.
A kind of air-conditioner based on same inventive concept subtracts oily device, for being discharged by the refrigeration oil in described air-conditioner, comprises accumulator tank, the 3rd tube connector and the 4th tube connector;
Described accumulator tank is applicable to store refrigeration oil;
The two ends of described 3rd tube connector are respectively five terminal and the 6th end, and described five terminal is communicated with the bottom of described accumulator tank, and described 6th end is applicable to the oil revolving end being communicated with described oil eliminator;
The two ends of described 4th tube connector are respectively the 7th end and the 8th end, and described 7th end is communicated with the top of described accumulator tank, and described 8th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described 3rd tube connector is provided with the 3rd stop valve, described 4th tube connector is provided with the 4th stop valve.
Based on the method that a kind of air-conditioner of same inventive concept refuels, aforesaid air-conditioner is added and subtracted oily device and will carry out refueling the air-conditioner processed and be connected, and start air-conditioner operation, the method comprises the following steps:
Close the 3rd stop valve and the 4th stop valve, and open the first stop valve and the refrigeration oil in accumulator tank is injected in compressor by pressure reduction by the second stop valve;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes described first stop valve and described second stop valve; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
As the embodiment of a kind of method that air-conditioner refuels, when closing described first stop valve and described second stop valve, first close described second stop valve and close described first stop valve again.
As the embodiment of a kind of method that air-conditioner refuels, the step also comprising oiling below and vacuumize:
By the pump nozzle on accumulator tank, refrigeration oil is joined in described accumulator tank;
Close the second stop valve and the 3rd stop valve, and open the first stop valve and the 4th stop valve, under air-conditioner operating pressure, described accumulator tank is vacuumized; And
After having vacuumized, then perform the described step be injected into by refrigeration oil in accumulator tank in compressor.
Based on the method that a kind of air-conditioner of same inventive concept refuels, by aforesaid air-conditioner refueling device with to carry out refueling the air-conditioner processed and be connected, and start air-conditioner operation, the method comprises the following steps:
Open the first stop valve and the refrigeration oil in accumulator tank is injected in compressor by pressure reduction by the second stop valve;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes described second stop valve and described first stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
A kind of air-conditioner based on same inventive concept subtracts the method for oil, aforesaid air-conditioner is added and subtracted oily device and is connected with the air-conditioner that will carry out subtracting oil processing, and starts air-conditioner operation, and the method comprises the following steps:
Close the first stop valve and the second stop valve, and open the 3rd stop valve and the 4th stop valve, by pressure reduction, the refrigeration oil in air-conditioner is discharged in described accumulator tank;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes the 3rd stop valve and the 4th stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
Subtract the method embodiment of oil as a kind of air-conditioner, also comprise the step vacuumized below:
Close the second stop valve and the 3rd stop valve, and open the first stop valve and the 4th stop valve, under air-conditioner operating pressure, described accumulator tank is vacuumized; And
After having vacuumized, then perform the described step be discharged to by refrigeration oil in air-conditioner in described accumulator tank.
A kind of air-conditioner based on same inventive concept subtracts the method for oil, aforesaid air-conditioner is subtracted oily device and will carry out refueling the air-conditioner processed and be connected, and starts air-conditioner operation, and the method comprises the following steps:
Open the 3rd stop valve and the 4th stop valve, by pressure reduction, the refrigeration oil in air-conditioner is discharged in described accumulator tank;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes the 3rd stop valve and the 4th stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
Beneficial effect of the present invention comprises: oily device added and subtracted by a kind of air-conditioner provided by the invention, can be increased or reduce at any time by connecting line to the amount of refrigeration oil in connected air-conditioner.And the amount by measuring or observe refrigeration oil in accumulator tank determines the amount of refrigeration oil in the air-conditioner increasing or reduce.Be conducive to ensureing that the amount of refrigeration oil suitable in air-conditioner is to guarantee the performance of air-conditioner.Meanwhile, the device of the use embodiment of the present invention is also convenient to the care and maintenance to air-conditioner.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the specific embodiment that oily device added and subtracted by a kind of air-conditioner of the present invention is connected with air-conditioner;
Fig. 2 is the schematic diagram that another specific embodiment that oily device added and subtracted by a kind of air-conditioner of the present invention is connected with air-conditioner;
Fig. 3 is the schematic diagram that a specific embodiment of a kind of air-conditioner refueling device of the present invention is connected with air-conditioner;
Fig. 4 is the schematic diagram that a specific embodiment that a kind of air-conditioner of the present invention subtracts oily device is connected with air-conditioner.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the detailed description of the invention that the method that oily device added and subtracted by air-conditioner of the present invention, air-conditioner refueling device, air-conditioner subtract oily device and air-conditioner refuels, air-conditioner subtract the method for oil is described.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Air-conditioner of the present invention coordinates air-conditioner to use when adding and subtracting oily device, for adding refrigeration oil for air-conditioner, or is discharged by the refrigeration oil in air-conditioner, is especially applied in air conditioner for matching experiment and air-conditioner maintaining aspect.
Fig. 1 be the air-conditioner of one embodiment of the invention add and subtract oily device be connected with the air-conditioner that will debug after schematic diagram.Wherein, be air conditioner structure in the dotted line frame of right side, oily device added and subtracted by air-conditioner for one embodiment of the invention in left-hand broken line frame, and this plus-minus oil device includes accumulator tank 600, first tube connector 100, second tube connector 200, the 3rd tube connector 300 and the 4th tube connector 400.
Wherein, the accumulator tank 600 in the lower left corner is applicable to store refrigeration oil.The refrigeration oil that accumulator tank 600 stores comprises and adding from outside, prepares the refrigeration oil that is injected in air-conditioning system, also comprises the refrigeration oil ejected from air-conditioner
Herein, the two ends of the first tube connector 100 are claimed to be respectively first end and the second end.Described first end and the second end address just to first tube connector 100 two ends, as differentiation use, the one the second do not have other sequences implication successively.Wherein, the top of the first end connected set oil tank 600 of the first tube connector 100, the second end is applicable to the output of the oil eliminator being communicated with air-conditioner.
It should be noted that, the air-conditioner of the embodiment of the present invention is added and subtracted after oily device connects, and the first end of the first tube connector 100 is unsettled herein, and this one end needs to be connected to will carry out adding and subtracting on air-conditioner that oil controls.And in use, be the output the second end of the first tube connector 100 being connected to the oil eliminator of air-conditioner, be also the high pressure outlet air mouth end of compressor.Therefore, be appreciated that the device of the embodiment of the present invention in use, air-conditioner is under the state run, and the first tube connector 100 is under the state be communicated with, and its inside is full of gases at high pressure.By the first pipeline, air-conditioner mesohigh gas can be input in accumulator tank 600 during this device busy.
The two ends of the second tube connector 200 are claimed to be respectively the 3rd end and the 4th end herein.With the first tube connector 100 unlike, the bottom of the 3rd end connected set oil tank 600 of the second tube connector 200.And the 4th end is for being communicated with the evaporimeter output of air-conditioner.The low-pressure side of the corresponding compressor of described evaporimeter output.Therefore, can say that the second tube connector 200 is in low-pressure state down in working order.Its Main Function is, is flow in the pipeline of air-conditioner by the refrigeration oil in accumulator tank 600.
Similar, claim the two ends of the 3rd tube connector 300 to be respectively five terminal and the 6th end.Wherein, the bottom of five terminal connected set oil tank 600, the 6th end is communicated with the oil revolving end of oil eliminator.The oil revolving end of oil eliminator is also be communicated with the high-voltage output end of compressor, therefore, can think, the 3rd tube connector 300 of the embodiment of the present invention is also a pressure duct.The effect of this pipeline is back in accumulator tank 600 by the refrigeration oil in oil of air conditioner separator by it.
The two ends of the 4th tube connector 400 are claimed to be respectively the 7th end and the 8th end.Wherein, the top of the 7th end connected set oil tank 600, the 8th end is communicated with the evaporimeter output of air-conditioner.
It should be noted that, the top of tube connector (the first tube connector 100, second tube connector 200, the 3rd tube connector 300 or the 4th tube connector 400) the connected set oil tank 600 of the embodiment of the present invention refers to, the end of tube connector is in the inside of accumulator tank 600, and in the first half of accumulator tank 600, better in other words, be the position near accumulator tank 600 upper top cover; And the bottom of tube connector connected set oil tank 600 refers to, the end of tube connector is in the inside of accumulator tank 600, and in the latter half of accumulator tank 600, better in other words, is in the position of going to the bottom near accumulator tank 600.And concrete tube connector above accumulator tank 600, below or measure and enter into accumulator tank 600 and be all fine.As shown in Figure 1,3rd tube connector 300 and the second tube connector 200 are all be communicated with the bottom of accumulator tank 600, but the 3rd tube connector 300 is inserted into accumulator tank 600 above accumulator tank 600, and the second tube connector 200 is inserted into accumulator tank 600 from going to the bottom of accumulator tank 600.
Wherein, the first tube connector 100 be communicated with accumulator tank 600 top and the 4th tube connector 400 circulate for gas, and are mainly used for liquid communication with the second tube connector 200 be communicated with bottom accumulator tank 600 and the 3rd tube connector 300.Therefore, for the 3rd tube connector 300 be back to by refrigeration oil in accumulator tank 600, it is inserted in accumulator tank 600 from the upper top cover accumulator tank 600 and is conducive to being flow in accumulator tank 600 by refrigeration oil by Action of Gravity Field, is a kind of better embodiment.And for the refrigeration oil in accumulator tank 600 being flow into the second tube connector 200 in air-conditioner, it is inserted into accumulator tank 600 from the bottom surface of accumulator tank 600 is also a kind of embodiment preferably, and it is conducive to the refrigeration oil in accumulator tank 600 and enters into the second tube connector 200 from the port of the 3rd end of the second tube connector 200.
And as shown in Figure 1, the first tube connector 100 that oily device added and subtracted by the air-conditioner of this embodiment is provided with the first stop valve 110, second tube connector 200 is provided with the second stop valve 210,3rd tube connector 300 is provided with on the 3rd stop valve the 310, four tube connector 400 and is provided with the 4th stop valve 410.Because under oily device busy state added and subtracted by the air-conditioner of the embodiment of the present invention, the first tube connector 100 is connected the high pressure outlet air mouth end of compressor with the 3rd tube connector 300, so also claim the first stop valve 110 and the 3rd stop valve 310 to be high-pressure stop valve; And the second tube connector 200 and the 4th tube connector 400 are all connected to the low-pressure admission mouth side of compressor, the second stop valve 210 and the 4th stop valve 410 is therefore claimed to be low-pressure shutoff valve.
Wherein, the first tube connector 100, second tube connector 200, the 3rd tube connector 300 and the 4th tube connector 400 can in position with the pipeline connection on air-conditioner after by being welded and fixed.
In addition, accumulator tank 600 is provided with pump nozzle 610, and accumulator tank 600 sidewall is marked with scale.In accumulator tank 600, appropriate refrigeration oil is added by pump nozzle 610, and when needs by the refrigeration oil in accumulator tank 600 by four articles of pipelines (the first tube connector 100, second tube connector 200, the 3rd tube connector 300 and the 4th tube connector 400) in suitable pipeline be injected in air-conditioner, or by suitable pipeline, the refrigeration oil in air-conditioner to be flow back in accumulator tank 600.And to refuel or the amount that subtracts oil can have more Fuel Oil Remaining in accumulator tank 600 and judges, thus can realize quantitatively the amount of refueling or subtract oil.The concrete course of work, can see the method for astern fueling and the method subtracting oil.
Like this, after adopting the air-conditioner of the embodiment of the present invention to add and subtract oily device, at any time the amount of refrigeration oil in connected air-conditioner can be increased or be reduced by connecting line.And the amount by measuring or observe refrigeration oil in accumulator tank 600 determines the amount of refrigeration oil in the air-conditioner increasing or reduce.Be conducive to ensureing that the amount of refrigeration oil suitable in air-conditioner is to guarantee the performance of air-conditioner.Meanwhile, the device of the use embodiment of the present invention is also convenient to the care and maintenance to air-conditioner.
Better, wherein in an embodiment, the 3rd tube connector 300 is also provided with the first capillary 320.And the first capillary 320 is arranged between the 3rd stop valve 310 and the 6th end of the 3rd tube connector 300.First capillary 320 and the oil return capillary function in air-conditioner, effect are substantially identical.The setting of this first capillary 320 makes refrigeration oil flow back into the better effects if of accumulator tank 600 from oil eliminator.
Better, as shown in Figure 2, wherein in the oily device of the plus-minus of the air-conditioner of an embodiment, also comprise the 5th tube connector 500.Second tube connector 200 is all connected with one end of the 5th tube connector 500 with the 4th tube connector 400, and the other end of the 5th tube connector 500 is communicated with the output of the evaporimeter in air-conditioner.Thus the second tube connector 200 is all communicated with the output of evaporimeter by the 5th tube connector 500 with the 4th tube connector 400.
After such setting, in whole device, second tube connector 200 and all can connecting in advance between the 4th tube connector 400 and the 5th tube connector 500, and when device is connected with air-conditioner, only need the 5th tube connector 500 to weld with appropriate location in air-conditioner to be communicated with.Make whole device more easy to use.
Similar, based on same inventive concept, the present invention also provides a kind of air-conditioner refueling device, for adding refrigeration oil for air-conditioner.As shown in Figure 3, accumulator tank 600, first tube connector 100 and the second tube connector 200 is comprised.
Wherein, accumulator tank 600 is applicable to store refrigeration oil; The two ends of the first tube connector 100 are respectively first end and the second end, the top of first end connected set oil tank 600, and the second end is applicable to the output of the oil eliminator being communicated with air-conditioner;
The two ends of the second tube connector 200 are respectively the 3rd end and the 4th end, the bottom of the 3rd end connected set oil tank 600, and the 4th end is applicable to the evaporimeter output being communicated with air-conditioner; And the first tube connector 100 is provided with on the first stop valve 110, second tube connector 200 and is provided with the second stop valve 210.
Comparison diagram 3 and Fig. 1 can find out, oily device added and subtracted by the air-conditioner refueling device of the embodiment of the present invention and aforesaid air-conditioner has very large something in common in structure and connected mode.In fact, the air-conditioner refueling device of the embodiment of the present invention can think that a part for oily device added and subtracted by aforesaid air-conditioner, just without the kit on the 3rd tube connector 300, the 4th tube connector 400 and corresponding tube connector.Other and air-conditioner add and subtract the identical element of oily device in structure, and connected mode is is all added and subtracted oily device with air-conditioner identical.As the first tube connector 100 preferably connected mode be inserted into accumulator tank 600 from the upper top cover of accumulator tank 600, and the preferably connected mode of the second tube connector 200 is be inserted into accumulator tank 600 from the lower bottom cover of accumulator tank 600.
And be also provided with pump nozzle 610 on accumulator tank 600, and mark has scale.
Use the air-conditioner refueling device of the embodiment of the present invention, can facilitate, quantitative carry out incremental processing to refrigeration oil in air-conditioner, it is very convenient that the maintaining being especially applied to air-conditioner is understood.
Similar, as shown in Figure 4, the present invention also provides a kind of air-conditioner to subtract oily device, for being discharged by the refrigeration oil in air-conditioner, comprises accumulator tank 600, the 3rd tube connector 300 and the 4th tube connector 400.
Wherein, accumulator tank 600 is applicable to store refrigeration oil; The two ends of the 3rd tube connector 300 are respectively five terminal and the 6th end, the bottom of five terminal connected set oil tank 600, and the 6th end is applicable to the oil revolving end being communicated with oil eliminator; The two ends of the 4th tube connector 400 are respectively the 7th end and the 8th end, the top of the 7th end connected set oil tank 600, and the 8th end is applicable to the evaporimeter output being communicated with air-conditioner; And the 3rd tube connector 300 is provided with on the 3rd stop valve the 310, four tube connector 400 and is provided with the 4th stop valve 410.
Comparison diagram 4 and Fig. 1 can find out, the air-conditioner of the embodiment of the present invention subtracts oily device and can think that a part for oily device added and subtracted by aforesaid air-conditioner, just without the kit on the first tube connector 100, second tube connector 200 and corresponding tube connector.Other and air-conditioner add and subtract the identical element of oily device in structure, and connected mode is is all added and subtracted oily device with air-conditioner identical.As the 3rd tube connector 300 preferably connected mode be the bottom being inserted into accumulator tank 600 from the upper top cover of accumulator tank 600, and the preferably connected mode of the 4th tube connector 400 is the top be inserted into from the upper top cover of accumulator tank 600 accumulator tank 600.
And on accumulator tank 600 also mark have scale.
The air-conditioner of the embodiment of the present invention is used to subtract oily device, can under the operating pressure of air-conditioner, quantitative by the refrigeration oil extraction section in air-conditioner.And the 3rd stop valve 310 on the 3rd tube connector 300 and the 4th stop valve 410 on the 4th tube connector 400 is closed when extracted amount reaches requirement.
A kind of method that the present invention also provides air-conditioner to refuel, application the method is air-conditioner when adding refrigeration oil, first the air-conditioner of aforementioned any embodiment is added and subtracted oily device and will carry out refueling the air-conditioner processed and be connected, and starts air-conditioner operation.Concrete comprises the following steps the process of air-conditioner interpolation refrigeration oil:
S100, closes the 3rd stop valve 310 and the 4th stop valve 410, and opens the first stop valve 110 and the refrigeration oil in accumulator tank 600 is injected in compressor by pressure reduction by the second stop valve 210.
As Fig. 1 or Fig. 2, air-conditioner is added and subtracted after oily device and air-conditioner connect, and being high pressure in the first tube connector 100, is low pressure in the second tube connector 200, and the interpolation of refrigeration oil will be carried out to air-conditioner, some refrigeration oils can be stored in advance in the accumulator tank 600 of device.After opening stop valve, in accumulator tank 600, the refrigeration oil of bottom can flow in the pipeline of air-conditioner along the second tube connector 200 under the extruding of the first tube connector 100 gases at high pressure, realizes the interpolation of the refrigeration oil to air-conditioner.
Described pressure reduction refers to the pressure differential between the pressure on the first tube connector 100 connected set oil tank 600 top and the 3rd end port of the second tube connector 200.
S200, whether the scale on detected set oil tank 600 arrives assigned address, if so, then closes the first stop valve 110 and the second stop valve 210; If not, then remain unchanged, until the scale on accumulator tank 600 reaches assigned address.
Because markers note is graduated on accumulator tank 600, therefore, can judge that the amount of the refrigeration oil added in air-conditioner is determined in the change of oil mass in accumulator tank 600 according to the display of scale, thus realize the accurate control to adding freezing oil mass.
Herein, described assigned address refers to the amount according to refrigeration oil in accumulator tank 600 before opening the first stop valve 110 and the second stop valve 210, and should the scale of amount correspondence of remaining refrigeration oil in the accumulator tank 600 that determines in advance of the amount of the refrigeration oil that will add in air-conditioner.
Preferably, as a kind of embodiment, when closing first stop valve 110 and second stop valve 210, first close the second stop valve 210 and close the first stop valve 110 again.So, it is more accurate that the amount flow in air-conditioner refrigeration oil controls.
In addition, in the method that the air-conditioner of an embodiment refuels wherein, the step also comprising oiling below and vacuumize:
S010, is joined refrigeration oil in accumulator tank 600 by the pump nozzle 610 on accumulator tank 600.
Because be will add refrigeration oil in air-conditioner, therefore need in accumulator tank 600, to add appropriate refrigeration oil in advance.The amount that the amount of concrete interpolation can be added in air-conditioner is as required determined, but preferably, generally unsuitable too much or very few, preferably certain space is left at the top of accumulator tank 600, and oil mass should guarantee to cover the 3rd end of the second tube connector 200 and the five terminal of the 3rd tube connector 300.
After injecting appropriate refrigeration oil in accumulator tank 600, close pump nozzle 610, and continue to perform step S020 below.
S020, closes the second stop valve 210 and the 3rd stop valve 310, and opens the first stop valve 110 and the 4th stop valve 410, vacuumizes under air-conditioner operating pressure to accumulator tank 600.
The air on accumulator tank 600 top is discharged by this step.And after having vacuumized, then by step S100, S200, the refrigeration oil in accumulator tank 600 is injected in compressor.
Accordingly, air-conditioner refueling device as indicated at 3 can also be used to carry out oiling process to air-conditioner.During using air-condition device refueling device, first also this device to be connected with air-conditioner to be processed, and start air-conditioner operation.And the process of refueling comprises the following steps:
S101, opens the first stop valve 110 and the refrigeration oil in accumulator tank 600 is injected in compressor by pressure reduction by the second stop valve 210.
S102, whether the scale on detected set oil tank 600 arrives assigned address, if so, then closes the second stop valve 210 and the first stop valve 110 successively; If not, then remain unchanged, until the scale on accumulator tank 600 reaches assigned address.
Integrating step S100 and S200 can find out, using air-condition device refueling device carries out the interpolation of refrigeration oil and using air-condition device for air-conditioner and adds and subtracts oily device and add refrigeration oil to air-conditioner, and the process that both add oil is substantially identical.Just during using air-condition device refueling device not to the control of the 3rd stop valve 310 and the 4th stop valve 410.Certainly the step that accumulator tank 600 is vacuumized is not had yet.But it will be understood by those skilled in the art that or have and in accumulator tank 600, add the step of refrigeration oil, ensureing having sufficient refrigeration oil can add in air-conditioner in accumulator tank 600 by pump nozzle 610.Also have that to be exactly the step that vacuumizes accumulator tank 600 carry out separately by the equipment of outside.
Clearly, using air-condition device refueling device also can realize the quantitative interpolation to air-conditioner refrigeration oil.
The present invention also provides a kind of air-conditioner to subtract the method for oil, and the air-conditioner of aforementioned any embodiment in use, is is first added and subtracted oily device and is connected with the air-conditioner that will carry out subtracting oil processing by the method, and starts air-conditioner operation.Specifically the minimizing process of refrigeration oil in air-conditioning is comprised the following steps:
Q100, is closed the first stop valve 110 and the second stop valve 210, and opens the 3rd stop valve 310 and the 4th stop valve 410, be discharged in accumulator tank 600 by the refrigeration oil in air-conditioner by pressure reduction.
Described pressure differential refers to the pressure of the five terminal port pressure of the 3rd tube connector 300 and the 7th end port of the 4th tube connector 400.
Wherein, what the 3rd tube connector 300 connected is high-pressure side, the low-pressure end that the 4th tube connector 400 connects, under the compressor pressure of air-conditioner, refrigeration oil in oil eliminator can be flow in accumulator tank 600 by the 3rd tube connector 300, and the refrigeration oil in air-conditioner is reduced.
Q200, whether the scale on detected set oil tank 600 arrives assigned address, if so, then closes the 3rd stop valve 310 and the 4th stop valve 410 successively; If not, then remain unchanged, until the scale on accumulator tank 600 reaches assigned address.
Assigned address refers to herein, according to the scale of the amount correspondence of the refrigeration oil that finally should have in the accumulator tank 600 that the oil mass of the refrigeration oil stored in oil mass and the air-conditioner that will reduce original in accumulator tank 600 calculates.
Application the method can be quantitative minimizing air-conditioner in refrigeration oil.
So far, it can also be seen that, oily device can be added and subtracted oiling processor is carried out to air-conditioner subtract oil processing by using air-condition device.And in the process that the refrigeration oil in air-conditioner is processed, air-conditioner and air-conditioner add and subtract the refrigeration oil in oily device the flow direction as shown in Figure 1, Figure 2 in arrow shown in.
The method of refueling with aforesaid air-conditioner is similar, and air-conditioner of the present invention subtracts the method for oil, also can comprise the step vacuumized below:
Q020, closes the second stop valve 210 and the 3rd stop valve 310, and opens the first stop valve 110 and the 4th stop valve 410, vacuumizes under air-conditioner operating pressure to accumulator tank 600; And
After having vacuumized, then by step Q100 and step Q200, the refrigeration oil in air-conditioner is discharged in accumulator tank 600.
As a kind of embodiment, aforesaid air-conditioner also can be used to subtract oily device the process of minimizing refrigeration oil is carried out to air-conditioner.After starting air-conditioner operation, perform as follows:
Q101, is opened the 3rd stop valve 310 and the 4th stop valve 410, is discharged in accumulator tank 600 by the refrigeration oil in air-conditioner by pressure reduction.
Q102, whether the scale on detected set oil tank 600 arrives assigned address, if so, then closes the 3rd stop valve 310 and the 4th stop valve 410 successively; If not, then remain unchanged, until the scale on accumulator tank 600 reaches assigned address.
Integrating step Q100 and Q200 can find out, using air-condition device subtracts oily device and carries out the minimizing of refrigeration oil and using air-condition device for air-conditioner and add and subtract oily device and reduce refrigeration oil in air-conditioner, and it is substantially identical that both add the process subtracting oil.Not to the control of the first stop valve 110 and the second stop valve 210 when just using air-condition device subtracts oily device.
But obviously, what using air-condition device subtracted that oily device also can be quantitative carries out minimizing process to the refrigeration oil in air-conditioner.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (12)

1. oily device added and subtracted by an air-conditioner, for adding refrigeration oil for air-conditioner, or the refrigeration oil in described air-conditioner is discharged, it is characterized in that, comprise accumulator tank (600), the first tube connector (100), the second tube connector (200), the 3rd tube connector (300) and the 4th tube connector (400);
Described accumulator tank (600) is applicable to store refrigeration oil;
The two ends of described first tube connector (100) are respectively first end and the second end, and described first end is communicated with the top of described accumulator tank (600), and described second end is applicable to the output of the oil eliminator being communicated with described air-conditioner;
The two ends of described second tube connector (200) are respectively the 3rd end and the 4th end, and described 3rd end is communicated with the bottom of described accumulator tank (600), and described 4th end is applicable to the evaporimeter output being communicated with described air-conditioner;
The two ends of described 3rd tube connector (300) are respectively five terminal and the 6th end, and described five terminal is communicated with the bottom of described accumulator tank (600), and described 6th end is applicable to the oil revolving end being communicated with described oil eliminator;
The two ends of described 4th tube connector (400) are respectively the 7th end and the 8th end, and described 7th end is communicated with the top of described accumulator tank (600), and described 8th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described first tube connector (100) is provided with the first stop valve (110), described second tube connector (200) is provided with the second stop valve (210), described 3rd tube connector (300) is provided with the 3rd stop valve (310), described 4th tube connector (400) is provided with the 4th stop valve (410).
2. oily device added and subtracted by air-conditioner according to claim 1, it is characterized in that, described 3rd tube connector (300) is also provided with the first capillary (320); Described first capillary (320) is arranged between described 6th end of described 3rd stop valve (310) and described 3rd tube connector (300).
3. oily device added and subtracted by air-conditioner according to claim 1, it is characterized in that, also comprise the 5th tube connector (500), described second tube connector (200) is all communicated with the output of described evaporimeter by described 5th tube connector (500) with described 4th tube connector (400).
4. an air-conditioner refueling device, for adding refrigeration oil for air-conditioner, is characterized in that, comprises accumulator tank (600), the first tube connector (100) and the second tube connector (200);
Described accumulator tank (600) is applicable to store refrigeration oil;
The two ends of described first tube connector (100) are respectively first end and the second end, and described first end is communicated with the top of described accumulator tank (600), and described second end is applicable to the output of the oil eliminator being communicated with described air-conditioner;
The two ends of described second tube connector (200) are respectively the 3rd end and the 4th end, and described 3rd end is communicated with the bottom of described accumulator tank (600), and described 4th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described first tube connector (100) is provided with the first stop valve (110), described second tube connector (200) is provided with the second stop valve (210).
5. air-conditioner subtracts an oily device, for being discharged by the refrigeration oil in described air-conditioner, it is characterized in that, comprise accumulator tank (600), the 3rd tube connector (300) and the 4th tube connector (400);
Described accumulator tank (600) is applicable to store refrigeration oil;
The two ends of described 3rd tube connector (300) are respectively five terminal and the 6th end, and described five terminal is communicated with the bottom of described accumulator tank (600), and described 6th end is applicable to the oil revolving end being communicated with described oil eliminator;
The two ends of described 4th tube connector (400) are respectively the 7th end and the 8th end, and described 7th end is communicated with the top of described accumulator tank (600), and described 8th end is applicable to the evaporimeter output being communicated with described air-conditioner; And
Described 3rd tube connector (300) is provided with the 3rd stop valve (310), described 4th tube connector (400) is provided with the 4th stop valve (410).
6. an air-conditioner method of refueling, is characterized in that, the air-conditioner described in any one of claims 1 to 3 is added and subtracted oily device and will carry out refueling the air-conditioner processed and be connected, and starts air-conditioner operation, and the method comprises the following steps:
Close the 3rd stop valve and the 4th stop valve, and open the first stop valve and the refrigeration oil in accumulator tank is injected in compressor by pressure reduction by the second stop valve;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes described first stop valve and described second stop valve; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
7. the method for air-conditioner oiling according to claim 6, is characterized in that, when closing described first stop valve and described second stop valve, first close described second stop valve and close described first stop valve again.
8. the method for air-conditioner oiling according to claim 6, is characterized in that, the step also comprising oiling below and vacuumize:
By the pump nozzle on accumulator tank, refrigeration oil is joined in described accumulator tank;
Close the second stop valve and the 3rd stop valve, and open the first stop valve and the 4th stop valve, under air-conditioner operating pressure, described accumulator tank is vacuumized; And
After having vacuumized, then perform the described step be injected into by refrigeration oil in accumulator tank in compressor.
9. an air-conditioner method of refueling, is characterized in that, by air-conditioner refueling device according to claim 4 with to carry out refueling the air-conditioner processed and be connected, and start air-conditioner operation, the method comprises the following steps:
Open the first stop valve and the refrigeration oil in accumulator tank is injected in compressor by pressure reduction by the second stop valve;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes described second stop valve and described first stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
10. air-conditioner subtracts a method for oil, it is characterized in that, the air-conditioner described in any one of claims 1 to 3 is added and subtracted oily device and be connected with the air-conditioner that will carry out subtracting oil processing, and starts air-conditioner operation, and the method comprises the following steps:
Close the first stop valve and the second stop valve, and open the 3rd stop valve and the 4th stop valve, by pressure reduction, the refrigeration oil in air-conditioner is discharged in described accumulator tank;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes the 3rd stop valve and the 4th stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
11. air-conditioners according to claim 10 subtract the method for oil, it is characterized in that, also comprise the step vacuumized below:
Close the second stop valve and the 3rd stop valve, and open the first stop valve and the 4th stop valve, under air-conditioner operating pressure, described accumulator tank is vacuumized; And
After having vacuumized, then perform the described step be discharged to by refrigeration oil in air-conditioner in described accumulator tank.
12. 1 kinds of air-conditioners subtract the method for oil, it is characterized in that, air-conditioner according to claim 5 are subtracted oily device and will carry out refueling the air-conditioner processed and be connected, and start air-conditioner operation, and the method comprises the following steps:
Open the 3rd stop valve and the 4th stop valve, by pressure reduction, the refrigeration oil in air-conditioner is discharged in described accumulator tank;
Whether the scale detected on described accumulator tank arrives assigned address, if so, then closes the 3rd stop valve and the 4th stop valve successively; If not, then remain unchanged, until the scale on described accumulator tank reaches assigned address.
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