CN111076458A - Manual refrigerant enclosing device and using method - Google Patents
Manual refrigerant enclosing device and using method Download PDFInfo
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- CN111076458A CN111076458A CN201911412821.5A CN201911412821A CN111076458A CN 111076458 A CN111076458 A CN 111076458A CN 201911412821 A CN201911412821 A CN 201911412821A CN 111076458 A CN111076458 A CN 111076458A
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- refrigerant
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 157
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005538 encapsulation Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/006—Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/007—Details for charging or discharging refrigerants; Service stations therefor characterised by the weighing of refrigerant or oil
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
本发明公开了一种制冷剂手动封入装置及其使用方法，所述封入装置包括小罐体，所述小罐体上连通有连接管，所述连接管上分别设有用于与所述制冷剂罐体或真空泵或所述实验柜体的制冷回路连通的快速接头、用于所述连接管泄压的针阀、用于控制所述连接管开启或关闭的控制阀和显示所述小罐体内压力的压力表，所述压力表上具有指针和压力显示格数。本发明能控制少量制冷剂的封入与放出，且结构简单，制作方便，使用方便，冷柜做相关制冷剂封入量试验或直接封入制冷剂时快捷省时。
The invention discloses a refrigerant manual sealing device and a method of using the same. The sealing device comprises a small tank body, and a connecting pipe is communicated with the small tank body. A quick connector for communicating with a tank or a vacuum pump or a refrigeration circuit of the experimental cabinet, a needle valve for the pressure relief of the connecting pipe, a control valve for controlling the opening or closing of the connecting pipe, and a display inside the small tank The pressure gauge has a pointer and a pressure display cell number on the pressure gauge. The invention can control the encapsulation and release of a small amount of refrigerant, and has the advantages of simple structure, convenient manufacture, and convenient use.
Description
Technical Field
The invention relates to a refrigerant sealing device, in particular to a manual sealing device mainly aiming at gaseous refrigerants, and specifically relates to a manual sealing device for refrigerants and a using method.
Background
At present, in the development test stage and the production stage of new products, each refrigerator manufacturer needs to seal the refrigerant into the refrigeration loop after the refrigeration loop of the refrigerator is assembled, and particularly in the initial refrigerant sealing amount confirmation test process, a small amount of refrigerant needs to be added or discharged continuously to adjust the refrigerant using amount in the refrigeration loop so as to find the optimal sealing amount of the refrigerant. In the process of the refrigerant sealing test, not only are the steps complicated, but also the requirement on the amount of the refrigerant is strict, and if a factory production line refrigerant sealing machine is used, the cabinet body needs to be transferred back and forth between a laboratory and a production line, so that time and labor are wasted, and the addition or discharge of a small amount of the refrigerant cannot be guaranteed.
Disclosure of Invention
In view of the above-mentioned problems, a manual refrigerant sealing device and a method of using the same are provided. The invention mainly adopts a small tank body to store the refrigerant and transfers the small tank body to realize the refrigerant conveying between the experimental cabinet body and the refrigerant tank body, and the technical means adopted by the invention are as follows:
a manual refrigerant enclosing device comprises an enclosing device, a manual refrigerant enclosing device and a manual refrigerant enclosing device, wherein the enclosing device is used for transferring refrigerant in a refrigerant tank body into a laboratory cabinet body or extracting the refrigerant in the laboratory cabinet body into the enclosing device;
the enclosing device comprises a small tank body, a connecting pipe is communicated with the small tank body, a quick connector, a needle valve, a control valve and a pressure gauge are arranged on the connecting pipe, the quick connector is used for being communicated with the refrigerant tank body or the vacuum pump or a refrigerating circuit of the experimental cabinet body, the needle valve is used for relieving pressure of the connecting pipe, the control valve is used for controlling the connecting pipe to be opened or closed, the pressure gauge is used for displaying the pressure in the small tank body, and a pointer and a pressure display grid number are arranged on the pressure gauge.
And a tank body support is fixed at the bottom of the small tank body.
The refrigerant tank is connected with a pressure reducing valve, the pressure reducing valve is provided with a high pressure meter and a low pressure meter, the pressure reducing valve is connected with a refrigerant tank connector matched with the quick connector through a refrigerant tank connecting pipe, and the quick connector is connected with the refrigerant tank through the refrigerant tank connector.
The refrigerant is a gaseous refrigerant.
The connecting pipe and the refrigerant tank body connecting pipe are copper pipes or hoses or other pipes capable of achieving connection and sealing.
A method for using a manual refrigerant enclosing device comprises the steps of transferring refrigerant in a refrigerant tank body into a refrigeration circuit of a laboratory cabinet body by using the enclosing device and transferring the refrigerant in the refrigeration circuit into the enclosing device by using the enclosing device;
the step of transferring the refrigerant in the refrigerant tank body to the refrigerating circuit of the experimental cabinet body by using the enclosing device comprises the following steps:
s11: connecting the vacuum pump with the quick connector, and vacuumizing the enclosing device by using the vacuum pump;
s12: weighing the evacuated sealed device, and recording the weight as m1；
S13: evacuating air in the connecting pipe, connecting the quick connector with the refrigerant tank body, opening the control valve, enabling the refrigerant in the refrigerant tank body to enter the small tank body, then closing the control valve, separating the quick connector from the refrigerant tank body, weighing the enclosing device filled with the refrigerant, and recording the weight of the enclosing device as M1The weight of the refrigerant charged into the enclosing device is M1-m1(ii) a Observing the number of the grids where the pointer of the pressure gauge is positioned is S1The weight of the refrigerant represented by the number of pressure cells per cell is (M)1-m1)/S1；
S14: the estimated required refrigerant weight of the refrigerating circuit of the experimental cabinet body is A1The number of the lattices represented by the weight of the refrigerant required to be filled in the experimental cabinet body is A1·S1/(M1-m1)；
S15: communicating the quick connector of the enclosing device filled with the refrigerant with a refrigeration circuit of the experimental cabinet body, and opening the control valve to enable the refrigerant in the enclosing device to slowly flow into the refrigeration circuit;
s16: when the pointer of the pressure gauge points to A1·S1/(M1-m1) Closing the control valve when the number of the grids is large, and separating the quick connector from a refrigerating circuit of the experimental cabinet body;
s17: the enclosed device was weighed and its weight recorded as M1`；
S18: calculating the actual charge of the refrigerant in the refrigeration circuit of the experimental cabinet body, wherein the actual charge is M1-m1-M1III and A1Comparing values; if not A1If so, repeating the step S15 to transfer the refrigerant into the experimental cabinet body until the actual charging amount into the refrigeration circuit of the experimental cabinet body reaches A1A value;
the method for transferring the refrigerant in the refrigeration circuit into the enclosing device by using the enclosing device comprises the following steps:
s21: confirming the weight of the refrigerant represented by the number of pressure grids in each pressure meter;
s22: connecting the vacuum pump with the quick connector, and vacuumizing the enclosing device by using the vacuum pump;
s23: weighing the evacuated sealed device, and recording the weight as m2；
S24: connecting the quick connector with a refrigeration loop of the experimental cabinet body, opening the control valve, enabling the refrigerant of the experimental cabinet body to enter the small tank body, and when a pointer of the pressure gauge points to the weight A of the refrigerant pre-discharged from the experimental cabinet body2When the number of the pressure gauges is represented, the control valve is closed, the quick connector is separated from the experimental cabinet body, the enclosing device filled with the refrigerant is weighed, and the weight of the enclosing device is recorded as M2The weight of the refrigerant charged into the enclosing device is M2-m2；
S25: comparison M2-m2Whether or not to reach A2If not, the step S24 is repeated until the weight of the refrigerant in the sealing device and a2Value matching; and if so, finishing the transfer of the refrigerant in the refrigeration loop of the experimental cabinet body.
In the step S24, before the quick coupling is separated from the experiment cabinet, the needle valve is used to release pressure of the connection pipe. In the step S24, before the quick coupling is separated from the experiment cabinet, the needle valve is used to release pressure of the connection pipe.
The invention has the following advantages:
1. the sealing and discharging of a small amount of refrigerant can be controlled.
2. Simple structure and convenient manufacture.
3. The refrigerator is convenient to use, and is quick and time-saving when the refrigerator is used for carrying out related refrigerant sealing amount tests or directly sealing the refrigerant.
For the above reasons, the present invention can be widely applied to the field of sealing or releasing the refrigerant in or from the experimental cabinet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a manual refrigerant sealing device according to an embodiment of the present invention.
Fig. 2 is a schematic view showing the connection between a manual refrigerant-sealing device and a refrigerant tank according to the embodiment of the present invention.
Fig. 3 is a schematic view showing a connection between a manual refrigerant-sealing device and an experimental cabinet according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, a manual refrigerant-sealing device includes a sealing device 3, wherein the sealing device 3 is used for transferring refrigerant in a refrigerant tank body 1 into an experimental cabinet 2 or extracting refrigerant in the experimental cabinet 2 into the sealing device 3; the enclosing device 3 comprises a small tank body 37, a connecting pipe 31 is communicated with the small tank body 37, a quick connector 32 communicated with the refrigerant tank body 1 or the vacuum pump or the refrigerating circuit 21 of the experiment cabinet body 2, a needle valve 33 used for pressure relief of the connecting pipe 31, a control valve 34 used for controlling the opening or closing of the connecting pipe 31 and a pressure gauge 35 used for displaying the pressure in the small tank body 37 are respectively arranged on the connecting pipe 31, and a pointer and a pressure display grid number are arranged on the pressure gauge 35.
A tank support 36 is fixed at the bottom of the small tank 37.
The refrigerant tank body 1 is connected with a pressure reducing valve 11, the pressure reducing valve 11 is provided with a high pressure meter and a low pressure meter, the pressure reducing valve 11 is connected with a refrigerant tank body joint 12 matched with the quick joint 32 through a refrigerant tank body connecting pipe 13, and the quick joint 32 is connected with the refrigerant tank body 1 through the refrigerant tank body joint 12.
The refrigerant is a gaseous refrigerant.
The connecting pipe 31 and the refrigerant tank connecting pipe 13 are copper pipes or hoses or other pipes capable of connecting and sealing.
Example 2
As shown in fig. 1 to 3, a method for using a manual refrigerant-sealing device includes transferring a refrigerant in a refrigerant tank 1 to a refrigeration circuit 21 of an experimental cabinet 2 using the sealing device 3 and transferring the refrigerant in the refrigeration circuit 21 to the sealing device 3 using the sealing device 3;
the step of transferring the refrigerant in the refrigerant tank 1 to the refrigeration circuit 21 of the experimental cabinet 2 by using the enclosing device 3 includes the steps of:
s11: connecting the vacuum pump to the quick coupling 32, and evacuating the enclosing device 3 by using the vacuum pump; confirming that the small tank body 37 meets the vacuum requirement according to the pressure display value of the pressure gauge 35 or the vacuum pump;
s12: the evacuated enclosure device 3 is weighed and its weight m is recorded1；
S13: communicating the quick connector 32 with the pressure reducing valve 11 of the refrigerant tank 1 through the evacuated refrigerant tank connector 12, opening the valve of the refrigerant tank 1, displaying the pressure in the refrigerant tank 1 by a high pressure gauge of the pressure reducing valve 11 at the moment, then slowly opening the pressure reducing valve 11, observing a low pressure gauge on the pressure reducing valve 11 to control the low pressure gauge within a certain pressure range, opening the control valve 34 of the enclosing device 3 after the pressure is stabilized, slowly introducing the refrigerant in the refrigerant tank 1 into the small tank 37, observing the pressure gauge 35, closing the control valve 34 and all valves after a pointer of the pressure gauge 35 is stabilized, relieving the pressure of the connecting pipe 31 by using the needle valve 33, separating the quick connector 32 from the refrigerant tank 1, and weighing the enclosing device 3 filled with the refrigerant, and record its weight as M1The weight of the refrigerant charged into the sealing device 3 is M1-m1(ii) a Observing the number of the grids where the pointer of the pressure gauge is positioned is S1The weight of the refrigerant represented by the number of pressure cells per cell is (M)1-m1)/S1；
S14: the estimated required weight A of the refrigerant in the refrigerating circuit 21 of the experimental cabinet 21The number of the lattices represented by the weight of the refrigerant required to be filled in the experimental cabinet body is A1·S1/(M1-m1)；
S15: communicating the quick connector 32 of the enclosing device 3 filled with the refrigerant with a low-pressure end (which may be connected with a high-pressure end in special cases) of the refrigeration circuit 21 of the experimental cabinet body 2, and slowly opening the control valve 34 to make the refrigerant in the small tank body 37 slowly flow into the refrigeration circuit 21 (at this time, if the pressure balance between the refrigeration circuit 21 and the enclosing device 3 cannot be added, the refrigeration system 21 of the experimental cabinet body 2 can be operated, and the low-pressure suction of the refrigeration system 21 of the experimental cabinet body 2 is used for slow addition);
s16: when the pointer of the pressure gauge 35 points to A1·S1/(M1-m1) When the number of the test cabinet is counted, the control valve 34 is closed, and the quick connector 32 is separated from the refrigeration circuit 21 of the test cabinet 2;
s17: the enclosing device 3 is weighed and its weight M is recorded1`；
S18: calculating the actual charge of refrigerant in the refrigeration circuit 21 of the experimental cabinet 2, which is M1-m1-M1III and A1Comparing values; if not A1If so, the steps are repeated, a small amount of refrigerant is added into the experimental cabinet body 2 until the actual charging amount into the refrigeration circuit 21 of the experimental cabinet body 2 reaches A1A value;
the step of transferring the refrigerant in the refrigeration circuit 21 of the experimental cabinet 2 into the enclosing device 3 by using the enclosing device 3 comprises the following steps:
s21: confirming the weight of the refrigerant represented by the number of pressure grids in each pressure meter 35;
s22: connecting the vacuum pump to the quick coupling 32, and evacuating the enclosing device 3 by using the vacuum pump;
s23: the evacuated enclosure device 3 is weighed and its weight m is recorded2；
S24: connecting the quick connector 32 with the refrigeration circuit 21 of the experimental cabinet 2, opening the control valve 34, the refrigerant of the experimental cabinet 2 slowly enters the small tank 37, and when the pointer of the pressure gauge 35 points to the weight A of the refrigerant pre-discharged from the experimental cabinet 22Number of pressure gauges representedWhen the test device is used, the control valve 34 is closed, the needle valve 33 is adopted to relieve the pressure of the connecting pipe 31, the quick coupling 32 is separated from the experiment cabinet body 2 after the pressure is relieved, the sealing device 3 filled with the refrigerant is weighed, and the weight of the sealing device is recorded as M2The weight of the refrigerant charged into the sealing device 3 is M2-m2；
S25: comparison M2-m2Whether or not to reach A2If so, the refrigerant transfer in the refrigeration circuit 21 of the experimental cabinet 2 is completed, and if not, step S24 is repeated until the weight of the refrigerant sealed in the apparatus 3 and a2The values match.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The manual refrigerant enclosing device is characterized by comprising an enclosing device, a manual refrigerant enclosing device and a manual refrigerant enclosing device, wherein the enclosing device is used for transferring refrigerant in a refrigerant tank body into a laboratory cabinet body or extracting the refrigerant in the laboratory cabinet body into the enclosing device;
the enclosing device comprises a small tank body, a connecting pipe is communicated with the small tank body, a quick connector, a needle valve, a control valve and a pressure gauge are arranged on the connecting pipe, the quick connector is used for being communicated with the refrigerant tank body or the vacuum pump or a refrigerating circuit of the experimental cabinet body, the needle valve is used for relieving pressure of the connecting pipe, the control valve is used for controlling the connecting pipe to be opened or closed, the pressure gauge is used for displaying the pressure in the small tank body, and a pointer and a pressure display grid number are arranged on the pressure gauge.
2. The manual refrigerant enclosing device according to claim 1, wherein: and a tank body support is fixed at the bottom of the small tank body.
3. The manual refrigerant enclosing device according to claim 1, wherein: the refrigerant tank is connected with a pressure reducing valve, the pressure reducing valve is provided with a high pressure meter and a low pressure meter, the pressure reducing valve is connected with a refrigerant tank connector matched with the quick connector through a refrigerant tank connecting pipe, and the quick connector is connected with the refrigerant tank through the refrigerant tank connector.
4. The manual refrigerant enclosing device according to claim 1, wherein: the refrigerant is a gaseous refrigerant.
5. A manual refrigerant enclosing device according to claim 3, characterized in that: the connecting pipe and the refrigerant tank connecting pipe are copper pipes or hoses.
6. The method for using a manual refrigerant enclosure device according to any one of claims 1 to 5, comprising transferring the refrigerant in the refrigerant tank into the refrigeration circuit of the experimental cabinet using the enclosure device and transferring the refrigerant in the refrigeration circuit of the experimental cabinet into the enclosure device using the enclosure device;
the step of transferring the refrigerant in the refrigerant tank body to the refrigerating circuit of the experimental cabinet body by using the enclosing device comprises the following steps:
s11: connecting the vacuum pump with the quick connector, and vacuumizing the enclosing device by using the vacuum pump;
s12: weighing the evacuated sealed device, and recording the weight as m1；
S13: connecting the quick connector with the refrigerant tank body, opening the control valve, enabling the refrigerant in the refrigerant tank body to enter the small tank body, then closing the control valve, and separating the quick connector and the refrigerant tank bodySeparating, weighing the sealed device containing the refrigerant, and recording the weight M1The weight of the refrigerant charged into the enclosing device is M1-m1(ii) a Observing the number of the grids where the pointer of the pressure gauge is positioned is S1The weight of the refrigerant represented by the number of pressure cells per cell is (M)1-m1)/S1；
S14: the estimated required refrigerant weight of the refrigerating circuit of the experimental cabinet body is A1The number of the lattices represented by the weight of the refrigerant required to be filled in the experimental cabinet body is A1·S1/(M1-m1)；
S15: communicating the quick connector of the enclosing device filled with the refrigerant with a refrigeration circuit of the experimental cabinet body, and opening the control valve to enable the refrigerant in the enclosing device to flow into the refrigeration circuit;
s16: when the pointer of the pressure gauge points to A1·S1/(M1-m1) Closing the control valve when the number of the grids is large, and separating the quick connector from a refrigerating circuit of the experimental cabinet body;
s17: the enclosed device was weighed and its weight recorded as M1`；
S18: calculating the actual charge of the refrigerant in the refrigeration circuit of the experimental cabinet body, wherein the actual charge is M1-m1-M1III and A1Comparing values; if not A1If so, repeating the step S15 to transfer the refrigerant into the experimental cabinet body until the actual charging amount into the refrigeration circuit of the experimental cabinet body reaches A1A value;
the step of transferring the refrigerant in the refrigeration circuit of the experimental cabinet to the enclosing device by using the enclosing device comprises the following steps:
s21: confirming the weight of the refrigerant represented by the number of pressure grids in each pressure meter;
s22: connecting the vacuum pump with the quick connector, and vacuumizing the enclosing device by using the vacuum pump;
s23: weighing the vacuumized sealed device and recordingRecord its weight as m2；
S24: connecting the quick connector with a refrigeration loop of the experimental cabinet body, opening the control valve, enabling the refrigerant of the experimental cabinet body to enter the small tank body, and when a pointer of the pressure gauge points to the weight A of the refrigerant pre-discharged from the experimental cabinet body2When the number of the pressure gauges is represented, the control valve is closed, the quick connector is separated from the experimental cabinet body, the enclosing device filled with the refrigerant is weighed, and the weight of the enclosing device is recorded as M2The weight of the refrigerant charged into the enclosing device is M2-m2；
S25: comparison M2-m2Whether or not to reach A2If not, the step S24 is repeated until the weight of the refrigerant in the sealing device and a2Value matching; and if so, finishing the transfer of the refrigerant in the refrigeration loop of the experimental cabinet body.
7. The method for using a manual refrigerant enclosing device according to claim 6, wherein in step S13, before the quick coupling is separated from the refrigerant tank, the needle valve is used to release the pressure of the connection pipe; in the step S24, before the quick coupling is separated from the experiment cabinet, the needle valve is used to release pressure of the connection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911412821.5A CN111076458A (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911412821.5A CN111076458A (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device and using method |
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| CN111076458A true CN111076458A (en) | 2020-04-28 |
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| CN201911412821.5A Pending CN111076458A (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780463A (en) * | 2020-06-18 | 2020-10-16 | 安徽美博智能科技有限公司 | Air conditioner refrigerant filling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517639A (en) * | 2003-01-23 | 2004-08-04 | ���µ�����ҵ��ʽ���� | Device for recovering refrigerant from air conditioner and method for recovering refrigerant |
| US20130118187A1 (en) * | 2011-11-14 | 2013-05-16 | Vincent Carrubba | Refrigerant charging assemblies and methods of use |
| CN203756458U (en) * | 2013-12-16 | 2014-08-06 | 北汽福田汽车股份有限公司 | Engine vacuum pump and fluoridation device used for car air conditioning system |
| CN104807262A (en) * | 2015-05-05 | 2015-07-29 | 上海佐竹冷热控制技术有限公司 | Refrigerating agent filling and recovering system and refrigerating agent filling and recovering method for vehicle air conditioner test system |
| US20180073647A1 (en) * | 2016-09-09 | 2018-03-15 | Prescott, Inc. | Multiple valve refrigerant leak protection device |
| CN207113320U (en) * | 2016-09-19 | 2018-03-16 | 重庆小金人电子商务有限公司 | A kind of filing provision for on-board air conditioner |
| CN211345953U (en) * | 2019-12-31 | 2020-08-25 | 冰山松洋生物科技(大连)有限公司 | Manual refrigerant enclosing device |
-
2019
- 2019-12-31 CN CN201911412821.5A patent/CN111076458A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517639A (en) * | 2003-01-23 | 2004-08-04 | ���µ�����ҵ��ʽ���� | Device for recovering refrigerant from air conditioner and method for recovering refrigerant |
| US20130118187A1 (en) * | 2011-11-14 | 2013-05-16 | Vincent Carrubba | Refrigerant charging assemblies and methods of use |
| CN203756458U (en) * | 2013-12-16 | 2014-08-06 | 北汽福田汽车股份有限公司 | Engine vacuum pump and fluoridation device used for car air conditioning system |
| CN104807262A (en) * | 2015-05-05 | 2015-07-29 | 上海佐竹冷热控制技术有限公司 | Refrigerating agent filling and recovering system and refrigerating agent filling and recovering method for vehicle air conditioner test system |
| US20180073647A1 (en) * | 2016-09-09 | 2018-03-15 | Prescott, Inc. | Multiple valve refrigerant leak protection device |
| CN207113320U (en) * | 2016-09-19 | 2018-03-16 | 重庆小金人电子商务有限公司 | A kind of filing provision for on-board air conditioner |
| CN211345953U (en) * | 2019-12-31 | 2020-08-25 | 冰山松洋生物科技(大连)有限公司 | Manual refrigerant enclosing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780463A (en) * | 2020-06-18 | 2020-10-16 | 安徽美博智能科技有限公司 | Air conditioner refrigerant filling device |
| CN111780463B (en) * | 2020-06-18 | 2021-12-24 | 安徽美博智能科技有限公司 | Air conditioner refrigerant filling device |
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Application publication date: 20200428 |