CN114623068B - Compressor oiling method and compressor oiling device - Google Patents
Compressor oiling method and compressor oiling device Download PDFInfo
- Publication number
- CN114623068B CN114623068B CN202011459633.0A CN202011459633A CN114623068B CN 114623068 B CN114623068 B CN 114623068B CN 202011459633 A CN202011459633 A CN 202011459633A CN 114623068 B CN114623068 B CN 114623068B
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- gun
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- oil
- valve
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000003921 oil Substances 0.000 claims abstract description 83
- 239000010687 lubricating oil Substances 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000001502 supplementing effect Effects 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010725 compressor oil Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 23
- 239000000314 lubricant Substances 0.000 description 12
- 230000007423 decrease Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
Abstract
The invention provides a compressor oiling method and a compressor oiling device, wherein the compressor oiling device comprises an oiling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, the oiling gun is provided with a pressure relief port, the oil tank, the vacuum pump and the air supply bottle are respectively connected with the oiling gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, the oiling gun is connected with a compressor liquid supplementing port through a fourth connecting pipe, and at least one valve is arranged on each of the first connecting pipe, the second connecting pipe and the third connecting pipe. According to the invention, the optimization of the compressor oiling method is realized by improving the compressor oiling device, and particularly, the gas supply cylinder is added in the compressor oiling device so as to increase the steps of inflating, pressurizing and then depressurizing the oiling gun in the compressor oiling method, so that the residual lubricating oil in the oiling gun is emptied, the waste of the lubricating oil and the environmental pollution are avoided, and the compressor oiling device has a simple structure and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor oiling method and a compressor oiling device.
Background
Lubricating oil plays an extremely important role in compressor operation, and if the amount of lubricating oil is insufficient, damage to compressor equipment or shutdown of the compressor is extremely liable to occur.
Therefore, when the oil quantity of the lubricating oil is insufficient, the lubricating oil needs to be timely supplemented, and the conventional compressor oiling method at present is as follows: firstly, the oil gun is in butt joint with the liquid supplementing port of the compressor, then lubricating oil is supplemented, after the lubricating oil is supplemented, the residual lubricating oil in the oil gun is pumped into a container by adopting a vacuum pump, and finally, the oil gun is separated from the liquid supplementing port of the compressor.
The conventional compressor oiling method mainly has the following problems:
1) In the process of adding the lubricating oil, the lubricating oil can be sprayed to the surface of the compressor or the periphery of a station, and the actual oil adding amount of the compressor is insufficient, so that the lubricating oil is wasted and the environment is polluted.
2) In order to prevent the lubricating oil from dripping after the lubricating oil is replenished, the residual lubricating oil in the lubricating oil gun pumped into the container by the vacuum pump cannot be reused due to pollution, and serious waste and environmental pollution of the lubricating oil are caused.
Disclosure of Invention
The invention aims to provide a compressor oiling method and a compressor oiling device, which are used for solving the problems of waste of lubricating oil and environmental pollution caused by the fact that the conventional compressor oiling method is adopted for supplementing the lubricating oil in the prior art. The specific technical scheme is as follows:
In a first aspect, the present invention provides a compressor fueling method comprising:
Sealing and butting the oil gun with a liquid supplementing port of the compressor;
vacuumizing the oiling gun by using a vacuum pump;
the oil tank supplies lubricating oil to the oil gun;
The oiling gun supplements the lubricating oil in the oil tank into a compressor;
Blowing air to the oiling gun for a period of time by using an air supply bottle, so that the residual lubricating oil in the oiling gun is emptied;
opening a pressure relief opening of the oiling gun to reduce the pressure of the oiling gun;
And separating the oil gun from the liquid supplementing port of the compressor.
Optionally, the vacuum pump is used for vacuumizing the oiling gun, and vacuumizing is performed for 0-50 seconds.
Optionally, the air supply bottle is used for blowing air to the oil gun, and the air blowing time is 0-50 seconds.
Optionally, opening a pressure relief port of the oiling gun to reduce the pressure of the oiling gun, wherein the pressure reduction is performed for 0-50 seconds.
In a second aspect, the present invention provides a compressor oil filling device for replenishing lubricant into a compressor, including an oil gun, an oil tank, a vacuum pump, a gas supply bottle, and a plurality of valves, the oil gun having a pressure relief port;
The oil tank, the vacuum pump and the air supply bottle are respectively connected with the oil gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, and the oil gun is connected with a liquid supplementing port of the compressor through a fourth connecting pipe;
At least one valve is arranged on each of the first connecting pipe, the second connecting pipe and the third connecting pipe;
The oil tank is used for providing lubricating oil for the oil gun;
the vacuum pump is used for vacuumizing the oil gun;
The air supply bottle is used for providing air for the oil gun.
Optionally, the valves are provided with 3 stop valves, and the stop valves are respectively a first stop valve arranged on the first connecting pipe, a second stop valve arranged on the second connecting pipe and a third stop valve arranged on the third connecting pipe.
Optionally, 2 valves are provided, namely a first valve and a second valve;
The first valve is a three-way valve and comprises two inlet ends and an outlet end, and the second connecting pipe and the third connecting pipe are respectively connected with the two inlet ends of the first valve;
The second valve is a three-way valve and comprises two inlet ends and an outlet end, the first connecting pipe and the outlet end of the first valve are respectively connected with the two inlet ends of the second valve, and the outlet end of the second valve is connected with the oiling gun.
Optionally, the gas filled in the gas supply bottle is incompatible with the lubricating oil.
The compressor oiling method and the compressor oiling device provided by the invention have the following beneficial effects: the compressor oiling device comprises an oiling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, wherein the oiling gun is provided with a pressure relief opening, the oil tank, the vacuum pump and the air supply bottle are connected with the oiling gun through a first connecting pipe, a second connecting pipe and a third connecting pipe respectively, the oiling gun is connected with a compressor liquid supplementing opening through a fourth connecting pipe, the first connecting pipe, the second connecting pipe and the third connecting pipe are respectively provided with at least one valve, the oil tank is used for providing lubricating oil for the oiling gun, the vacuum pump is used for vacuumizing the oiling gun, and the air supply bottle is used for providing gas for the oiling gun. According to the invention, the optimization of the compressor oiling method is realized by improving the compressor oiling device, and particularly, the gas supply cylinder is added in the compressor oiling device so as to increase the steps of inflating, pressurizing and then depressurizing the oiling gun in the compressor oiling method, so that the residual lubricating oil in the oiling gun is discharged into the compressor through the fourth connecting pipe, the waste of the lubricating oil and the environmental pollution are avoided, and the compressor oiling device is simple in structure and convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a compressor oil filling device according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for fueling a compressor according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a compressor oiling device according to a second embodiment of the present invention;
wherein, the reference numerals of the figures 1-3 are as follows:
1-a fuel gun; 2-an oil tank; 3-a vacuum pump; 4-a gas supply cylinder; 5-a liquid supplementing port of the compressor; 01-a first connection tube; 02-a second connection tube; 03-a third connecting tube; 04-fourth connecting pipe; 61-a first shut-off valve; 62-a second shut-off valve; 63-a third stop valve; 65-a first valve; 66-second valve.
Detailed Description
The invention provides a compressor oiling method and a compressor oiling device, which are further described in detail below with reference to the accompanying drawings and the specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
In the description of the present invention, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" is at least two, for example, two, three, etc., unless explicitly defined otherwise.
As described in the background art, the compressor fueling method conventionally adopted at present is as follows: firstly, the oil gun is in butt joint with the liquid supplementing port of the compressor, then lubricating oil is supplemented, after the lubricating oil is supplemented, the residual lubricating oil in the oil gun is pumped into a container by adopting a vacuum pump, and finally, the oil gun is separated from the liquid supplementing port of the compressor.
The conventional compressor oiling method mainly has the following problems:
1) In the process of adding the lubricating oil, the lubricating oil can be sprayed to the surface of the compressor or the periphery of a station, and the actual oil adding amount of the compressor is insufficient, so that the lubricating oil is wasted and the environment is polluted.
2) In order to prevent the lubricating oil from dripping after the lubricating oil is replenished, the residual lubricating oil in the lubricating oil gun pumped into the container by the vacuum pump cannot be reused due to pollution, and serious waste and environmental pollution of the lubricating oil are caused.
Therefore, the core idea of the invention is to provide a compressor oiling method and a compressor oiling device, wherein the optimization of the compressor oiling method is realized by improving the compressor oiling device, and particularly, the steps of inflating, pressurizing and then decompressing the oiling gun are added in the compressor oiling method by adding a gas supply cylinder in the compressor oiling device, so that the residual lubricating oil in the oiling gun is discharged into the compressor through a compressor liquid supplementing port, and the waste and environmental pollution of the lubricating oil are avoided.
Example 1
To this end, the present invention provides a compressor fueling apparatus, referring to fig. 1, the compressor fueling apparatus includes a fueling gun 1, an oil tank 2, a vacuum pump 3, a gas supply bottle 4 and a plurality of valves, the fueling gun 1 has a pressure relief port (not shown in the figure), the oil tank 2, the vacuum pump 3 and the gas supply bottle 4 are respectively connected to the fueling gun 1 through a first connecting pipe 01, a second connecting pipe 02 and a third connecting pipe 03, the fueling gun 1 is connected to a compressor liquid supplementing port 5 through a fourth connecting pipe 04, and at least one of the valves is provided for each of the first connecting pipe 01, the second connecting pipe 02 and the third connecting pipe 03, wherein the oil tank 2 is used for providing lubricating oil to the fueling gun 1, the vacuum pump 3 is used for vacuumizing the fueling gun 1, and the gas supply bottle 4 is used for providing gas to the fueling gun 1.
Further, the valves are 3 and all are stop valves, specifically, a first stop valve 61 provided on the first connecting pipe 01, a second stop valve 62 provided on the second connecting pipe 02, and a third stop valve 63 provided on the third connecting pipe 03.
Therefore, the compressor oiling device provided by the embodiment has a simple structure and is convenient to operate.
Based on the same inventive concept, the present invention also provides a compressor oiling method implemented by the compressor oiling device as described above, referring to fig. 2, the compressor oiling method having the steps of:
and S1, sealing and butting the oil gun with the liquid supplementing port of the compressor.
Specifically, when the amount of the lubricating oil in the compressor is insufficient, and the first stop valve 61, the second stop valve 62 and the third stop valve 63 are all in a closed state when the lubricating oil is to be replenished into the compressor, the oil gun 1 and the liquid replenishing port 5 of the compressor are sealed and butted, and in order to ensure the tightness of the joint of the oil gun 1 and the liquid replenishing port 5 of the compressor, a sealing ring can be additionally arranged at the joint of the two, so that the subsequent oil leakage is avoided.
And S2, vacuumizing the oiling gun by using the vacuum pump.
Specifically, after the oil gun 1 is in sealing connection with the liquid supplementing port 5 of the compressor, the second stop valve 62 is opened, the vacuum pump 3 is used for pumping out the gas in the oil gun 1, and the pressure value in the oil gun 1 is reduced. Specifically, the time for evacuating the fuel dispenser 1 by the vacuum pump 3 is maintained for 0 to 50 seconds (preferably 2 seconds) to ensure that the pressure value in the fuel dispenser 1 is reduced to the vacuum pressure as much as possible.
And step S2, the oil tank supplies lubricating oil to the oil gun.
And S4, the oiling gun supplements the lubricating oil in the oil tank into the compressor.
Specifically, when the pressure value in the fuel tank 1 decreases to a certain extent, the second stop valve 62 is closed, and the first stop valve 61 is opened, and the lubricant is stored in the oil tank 2, so that the pressure value in the fuel tank 1 is smaller than the pressure value in the oil tank 2 at this time, the lubricant in the oil tank 2 automatically flows into the fuel tank 1 through the first connecting pipe 01 under the action of the pressure difference, and is then fed into the compressor from the compressor fluid-filling port 5 through the fourth connecting pipe 04 until the lubricant in the compressor is sufficient.
And S5, blowing air to the oiling gun for a period of time by using the air supply bottle, so that the residual lubricating oil in the oiling gun is emptied.
Specifically, after the lubricant in the compressor is sufficient, the first stop valve 61 is closed, the third stop valve 63 is opened, the gas supply bottle 4 is used to blow the gas into the fuel truck nozzle 1, so that the gas is filled into the fuel truck nozzle 1, and the lubricant remaining in the fuel truck nozzle 1 is discharged into the compressor through the fourth connecting pipe 04, so that the condition of dripping the lubricant when the fuel truck nozzle 1 is detached is avoided. Specifically, the time for blowing air to the fuel dispenser 1 by the air supply bottle 4 is maintained at 0 to 50 seconds (preferably 1.2 seconds) to ensure that the whole amount of the lubricant remaining in the fuel dispenser 1 is discharged to the compressor fluid-filling port 5.
In addition, the gas filled in the gas supply bottle 4 is not compatible with the lubricating oil, so as to avoid pollution to the lubricating oil, and may be pure nitrogen or compressed air, which is not particularly limited in this embodiment.
And S6, opening a pressure relief port of the oiling gun to reduce the pressure of the oiling gun.
Specifically, all the opened valves in the above steps are closed, then the pressure relief port of the fuel truck nozzle 1 is opened, the pressure value in the fuel truck nozzle 1 is reduced, and the inside of the fuel truck nozzle 1 is in an atmospheric pressure state as much as possible, so that the subsequent detachment of the fuel truck nozzle 1 is facilitated. Specifically, the pressure relief port of the fuel dispenser is opened to depressurize the fuel dispenser 1 for 0 to 50 seconds (preferably 1.8 seconds).
And S7, separating the oil gun from the liquid supplementing port of the compressor.
The inventor practices and discovers that 4ml of lubricating oil can be wasted in the process of completing one-time oiling of one compressor by adopting the compressor oiling method based on the compressor oiling device provided by the embodiment compared with the oiling method in the prior art, and the production cost is greatly saved.
< Example two >
The difference between this embodiment and the first embodiment is that: the types and numbers of the valves are different.
Specifically, referring to fig. 3, 2 valves are provided, namely a first valve 65 and a second valve 66. Wherein,
The first valve 65 is a three-way valve, and includes two inlet ends and one outlet end, and the second connecting pipe 02 and the third connecting pipe 03 are respectively connected with the two inlet ends of the first valve 65.
The second valve 66 is a three-way valve, and comprises two inlet ends and an outlet end, the first connecting pipe 01 and the outlet end of the first valve are respectively connected with the two inlet ends of the second valve 66, and the outlet end of the second valve is connected with the fuel gun 1.
Based on the same inventive concept, the invention also provides a compressor oiling method, which is realized by adopting the compressor oiling device, and comprises the following steps:
and S1, sealing and butting the oil gun with the liquid supplementing port of the compressor.
Specifically, when the amount of the lubricating oil in the compressor is insufficient, and the first valve 65 and the second valve 66 are in the closed state when the lubricating oil is to be replenished into the compressor, the oil gun 1 and the liquid replenishing port 5 of the compressor are sealed and butted, and the key point of the step is to ensure that the joint of the oil gun 1 and the liquid replenishing port 5 of the compressor is sealed, so that the subsequent oil leakage is avoided.
And S2, vacuumizing the oiling gun by using the vacuum pump.
Specifically, after the oil gun 1 is in sealing connection with the liquid supplementing port 5 of the compressor, the first valve 65 is opened to the second connecting pipe for conduction, the second valve 66 is opened to the outlet end of the first valve for conduction, the vacuum pump 3 is used for pumping out the gas in the oil gun 1, and the pressure value in the oil gun 1 is reduced. Specifically, the time for evacuating the fuel dispenser 1 by the vacuum pump 3 is maintained for 0to 50 seconds (preferably 2 seconds) to ensure an absolute decrease in the pressure value in the fuel dispenser 1.
Step S3, the oil tank supplies lubricating oil to the oil gun;
And S4, adding the lubricating oil in the oil tank into a compressor through the oil gun.
Specifically, when the pressure value in the oil gun 1 decreases to a certain extent, the first valve 65 is closed and the second valve 66 is turned to be opened until the first connecting pipe is turned on, and the lubricating oil is stored in the oil tank 2, so that the lubricating oil in the oil tank 2 automatically flows into the oil gun 1 through the first connecting pipe 01 under the action of the pressure difference due to the fact that the pressure value in the oil gun 1 is smaller than the pressure value in the oil tank 2, and then is supplemented into the compressor from the compressor fluid supplementing port 5 through the fourth connecting pipe 04 until the lubricating oil in the compressor is sufficient.
And S5, blowing air to the oiling gun for a period of time by using the air supply bottle, so that the residual lubricating oil in the oiling gun is emptied.
Specifically, after the lubricant in the compressor is sufficient, the first valve 65 is opened to the third connecting pipe for conduction, the second valve 66 is converted into the opening to the outlet end of the first valve for conduction, and the gas supply bottle 4 is used for blowing gas into the fuel gun 1, so that gas is filled into the fuel gun 1, the residual lubricant in the fuel gun 1 is emptied, and the condition of dropping the lubricant when the fuel gun 1 is detached is avoided. Specifically, the time for blowing air to the fuel dispenser 1 by the air supply bottle 4 is maintained at 0 to 50 seconds (preferably 1.2 seconds) to ensure that the whole amount of the lubricant remaining in the fuel dispenser 1 is discharged to the compressor fluid-filling port 5.
And S6, opening a pressure relief port of the oiling gun to reduce the pressure of the oiling gun.
Specifically, all the opened valves in the above steps are closed, then the pressure relief port of the fuel truck nozzle 1 is opened, the pressure value in the fuel truck nozzle 1 is reduced, and the inside of the fuel truck nozzle 1 is in an atmospheric pressure state as much as possible, so that the subsequent detachment of the fuel truck nozzle 1 is facilitated. Specifically, the pressure relief port of the fuel dispenser is opened to depressurize the fuel dispenser for 0 to 50 seconds (preferably 1.8 seconds).
And S7, separating the oil gun from the liquid supplementing port of the compressor.
In summary, the compressor oiling method and the compressor oiling device provided by the invention have the following advantages: the compressor oiling device comprises an oiling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, wherein the oiling gun is provided with a pressure relief opening, the oil tank, the vacuum pump and the air supply bottle are connected with the oiling gun through a first connecting pipe, a second connecting pipe and a third connecting pipe respectively, the oiling gun is connected with a compressor liquid supplementing opening through a fourth connecting pipe, the first connecting pipe, the second connecting pipe and the third connecting pipe are respectively provided with at least one valve, the oil tank is used for providing lubricating oil for the oiling gun, the vacuum pump is used for vacuumizing the oiling gun, and the air supply bottle is used for providing gas for the oiling gun. According to the invention, the optimization of the compressor oiling method is realized by improving the compressor oiling device, and particularly, the gas supply cylinder is added in the compressor oiling device so as to increase the steps of inflating, pressurizing and then depressurizing the oiling gun in the compressor oiling method, so that the residual lubricating oil in the oiling gun is discharged into the compressor through the fourth connecting pipe, the waste of the lubricating oil and the environmental pollution are avoided, and the compressor oiling device is simple in structure and convenient to operate.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. A method of fueling a compressor comprising:
Sealing and butting the oil gun with a liquid supplementing port of the compressor;
Closing a first stop valve on a connecting way of the oiling gun and the oil tank, opening a second stop valve on a connecting way of the oiling gun and the vacuum pump, closing a third stop valve on a connecting way of the oiling gun and the air supply bottle, and vacuumizing the oiling gun by using the vacuum pump;
opening a first stop valve on a connecting way of the oiling gun and the oil tank, closing a second stop valve on a connecting way of the oiling gun and the vacuum pump, closing a third stop valve on a connecting way of the oiling gun and the air supply bottle, and providing lubricating oil for the oiling gun by the oil tank;
The oiling gun supplements the lubricating oil in the oil tank into the compressor until the lubricating oil in the compressor is enough, and then the first stop valve is closed;
closing a second stop valve on a connecting channel of the oiling gun and the vacuum pump, opening a third stop valve on a connecting channel of the oiling gun and the air supply bottle, and blowing air to the oiling gun for a period of time by utilizing the air supply bottle to empty the residual lubricating oil in the oiling gun;
Opening a pressure relief opening of the oiling gun to reduce the pressure of the oiling gun, wherein the pressure reduction is carried out for 0-50 seconds;
And separating the oil gun from the liquid supplementing port of the compressor.
2. The compressor fueling method of claim 1 wherein the fueling gun is evacuated using a vacuum pump for a period of 0-50 seconds.
3. The compressor fueling method of claim 1 wherein the fueling gun is supplied with air from a gas supply cylinder for a period of 0-50 seconds.
4. A compressor oil filling device for supplying lubricating oil to a compressor according to any one of claims 1 to 3, comprising a gun, an oil tank, a vacuum pump, a gas supply cylinder and a plurality of valves, wherein the gun has a pressure relief port;
The oil tank, the vacuum pump and the air supply bottle are respectively connected with the oil gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, and the oil gun is connected with a liquid supplementing port of the compressor through a fourth connecting pipe;
At least one valve is arranged on each of the first connecting pipe, the second connecting pipe and the third connecting pipe;
The oil tank is used for providing lubricating oil for the oil gun;
the vacuum pump is used for vacuumizing the oil gun;
The air supply bottle is used for providing air for the oil gun.
5. The compressor oil filling apparatus of claim 4, wherein the valves are provided with 3 and all of the shut-off valves, respectively a first shut-off valve provided on the first connection pipe, a second shut-off valve provided on the second connection pipe, and a third shut-off valve provided on the third connection pipe.
6. The compressor oil filling apparatus of claim 4, wherein 2 valves are provided, a first valve and a second valve, respectively;
The first valve is a three-way valve and comprises two inlet ends and an outlet end, and the second connecting pipe and the third connecting pipe are respectively connected with the two inlet ends of the first valve;
The second valve is a three-way valve and comprises two inlet ends and an outlet end, the first connecting pipe and the outlet end of the first valve are respectively connected with the two inlet ends of the second valve, and the outlet end of the second valve is connected with the oiling gun.
7. The compressor oil filling apparatus of claim 4, wherein said gas supply bottle is filled with a gas that is incompatible with lubricating oil.
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| CN206308000U (en) * | 2016-12-05 | 2017-07-07 | 广州精益汽车空调有限公司 | A kind of slant plate type compressor refueling device |
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | The minimizing technology and device of the lubricating oil of heat exchanger |
| CN208222038U (en) * | 2018-05-23 | 2018-12-11 | 中国石油化工股份有限公司 | A kind of recharging oil device for lubricating system |
| CN110067926A (en) * | 2019-05-30 | 2019-07-30 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning refueling device and the air-conditioning oiling method using it |
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