CN201255547Y - Air-conditioning duct cleaning device in coolant recovering machine - Google Patents
Air-conditioning duct cleaning device in coolant recovering machine Download PDFInfo
- Publication number
- CN201255547Y CN201255547Y CNU2008201211777U CN200820121177U CN201255547Y CN 201255547 Y CN201255547 Y CN 201255547Y CN U2008201211777 U CNU2008201211777 U CN U2008201211777U CN 200820121177 U CN200820121177 U CN 200820121177U CN 201255547 Y CN201255547 Y CN 201255547Y
- Authority
- CN
- China
- Prior art keywords
- air
- refrigerant
- compressor
- communicated
- cleaning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 75
- 238000004140 cleaning Methods 0.000 title claims abstract description 35
- 239000002826 coolant Substances 0.000 title claims description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 65
- 238000000926 separation method Methods 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 11
- 208000002925 dental caries Diseases 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 1
- 238000010926 purge Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model provides a cleaning device of air conditioning pipelines in a refrigerant recycling machine, belongs to the technical field of refrigerant recycling and solves the problem that the air conditioning system can not be cleaned because of the single function of present refrigerant recycling machines. The cleaning device of air conditioning pipelines in the refrigerant recycling machine is arranged between a refrigerant tank of a refrigerant recycling machine and an air conditioning system and comprises a compressor and a two-way reversing device; wherein, the compressor is provided with a low pressure inlet and a high pressure outlet which is communicated with the refrigerant tank of the recycling machine; a charge port and a discharge port arranged at the primary side of the two-way reversing device are respectively communicated with the low pressure port of the refrigerant tank and the compressor; two interfaces positioned at the secondary side of the two-way reversing device are respectively communicated with a high pressure end and a low pressure end of the air conditioning system. The cleaning of the air conditioning system includes low pressure cleaning and high pressure cleaning, and waste oil and materials are completely cleaned out of the air conditioning system by two first and second opposite flowing directions of media in the air conditioning pipeline.
Description
Technical field
The utility model belongs to refrigeration plant maintenance technical field, relates to the maintenance of equipment of a kind of refrigeration and air-conditioning, the air-conditioning duct cleaning device in particularly a kind of coolant reclaiming machine.
Background technology
Now in the technology, air conditioning for automobiles, central air-conditioning, freezer, refrigerator etc. all have refrigeration plant maintenance problem, general refrigerant recovering charging machine only has recovery and vacuum filling function, refrigerant in the air-conditioning system can be reclaimed, and after refrigeration system vacuumized, coolant charging to air-conditioning system.
After air-conditioning used a period of time, air-conditioning system parts such as compressor in the process of action can wear and tear metal fragment or refrigeration oil solidifying body that some are rotten stopped up expansion valve, capillary or filter screen, will influence the normal operation of air-conditioning system.If these tampers are removed, parts are dredged or changed to general all each parts of air-conditioning system must dismountings, when changing parts, the wearer of part is possible again soon blocking pipeline after the air-conditioning running, to bring a lot of unnecessary troubles these waste oil and refuse not to be cleaned out operation and the refrigeration situation that air-conditioning system can influence air-conditioning system like this, the words that situation is more serious also can be stopped up the pipeline in the air-conditioning system and cause the damage of compressor, expansion valve, condenser etc.And existing refrigerant recovering charging machine does not also possess the function of this cleaning air-conditioning system.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing coolant reclaiming machine, and has proposed a kind of coolant reclaiming machine that is used for, the air-conditioning duct cleaning device that can clean the refuse in the air-conditioning system.
The purpose of this utility model can realize by following technical proposal: the air-conditioning duct cleaning device in a kind of coolant reclaiming machine, be arranged between the refrigerant jar and air-conditioning system of coolant reclaiming machine, it is characterized in that, this device comprises compressor and two logical reversing arrangements, the high-pressure outlet that described compressor is provided with low pressure inlet and is communicated with the machine of recovery refrigerant jar, charging aperture and discharging opening that above-mentioned two logical reversing arrangement primary sides are provided with are communicated with the low pressure inlet of refrigerant jar and compressor respectively, the medium that the refrigerant jar provides flows into from charging aperture, having cleaned the back discharges from discharging opening, two interfaces that are arranged on two logical reversing arrangement secondary ends respectively with the height of air-conditioning system, low-pressure end is communicated with, medium is from height, one of them end of low-pressure end flows into, and has cleaned the back and has flowed out from another end.
In the time of need cleaning air-conditioning duct, the medium that is provided for cleaning by the refrigerant jar.The cleaning device of this air-conditioning duct can be divided into low pressure purge and high-pressure wash to the cleaning of air-conditioning system, and first low pressure purge is high-pressure wash again, low pressure purge---and high-pressure wash is a circulation.
When beginning to clean, elder generation's low pressure purge, refrigerant flows into from the charging aperture of two logical reversing arrangements, then pass two logical reversing arrangements and interface and enter into air-conditioning system from the low-pressure end of air-conditioning system, medium flows to high-pressure side from low-pressure end in air-conditioning system, flow through with interface that high-pressure side is communicated with after discharge from discharging opening, in this process, liquid medium has become gaseous state gradually.Compressor with discharging opening discharge have waste oil and the refuse gaseous medium sucks from low pressure inlet, in compressor, compress, discharge from the high-pressure outlet of compressor the compression back, in this process, the gaseous medium of low-temp low-pressure has been compressed into the gaseous medium of HTHP, flow back into afterwards in the refrigerant jar to store.
During high-pressure wash, after the commutation through two logical reversing arrangements, the medium that flows into from charging aperture can flow to the air-conditioning system from the high-pressure side by air-conditioning system, flows to low-pressure end by high-pressure side in air-conditioning system, flow through with interface that low-pressure end is communicated with after discharge from discharging opening.Compressor with discharging opening discharge have waste oil and the refuse gaseous medium sucks from low pressure inlet, in compressor, compress, discharge from the high-pressure outlet of compressor the compression back, in this process, the gaseous medium of low-temp low-pressure has been compressed into the gaseous medium of HTHP, flow back into afterwards in the refrigerant jar to store.
In the air-conditioning duct cleaning device in above-mentioned coolant reclaiming machine, be provided with purifier between described compressor and the two logical reversing arrangements, this purifier comprises a refrigerant separation purifier that is used for isolation of purified, described refrigerant separation purifier comprises two separate cavitys, wherein the import of first cavity and outlet are communicated with the discharging opening of two logical reversing arrangements and the low pressure inlet of compressor respectively, and the import of second cavity and outlet are communicated with the high-pressure outlet and the refrigerant jar of compressor respectively.
The MEDIA FLOW that has waste oil and refuse after having cleaned in the air-conditioning system is separated and purified treatment through first cavity that two discharging openings that lead to reversing arrangements enter into the refrigerant separation purifier, and wherein impurity and refuse are separated.Refuse and impurity are stayed the bottom of first cavity, and highly purified gaseous medium is discharged from the outlet of first cavity and sucked by compressor.The high temperature and high pressure gas of discharging from high-pressure outlet after the compressor compresses is got back to the refrigerant jar after passing second cavity of refrigerant separation purifier, and second cavity of refrigerant separation purifier plays the convective heat exchange effect.
In the air-conditioning duct cleaning device in above-mentioned coolant reclaiming machine, the exit of described second cavity is provided with condenser.High temperature and high pressure gas is flowed through to be cooled behind the condenser and is condensed into liquid state, conveniently is stored in the refrigerant jar.
In the air-conditioning duct cleaning device in above-mentioned coolant reclaiming machine, be communicated with the energy converter of cushioning effect between the import of the high-pressure outlet of described compressor and second cavity.
In the air-conditioning duct cleaning device in above-mentioned coolant reclaiming machine, be communicated with a drier between the import of first cavity of the low pressure inlet of described compressor and refrigerant separation purifier.Passed through gaseous medium after the first cavity purification separation of refrigerant separation purifier and entered and carry out drying in the drier, just sucked by compressor after dry, what guarantee to enter compressor is dry gas.
In the air-conditioning duct cleaning device in above-mentioned coolant reclaiming machine, by a soft pipe connection, be provided with magnetic valve one and check valve on the flexible pipe successively between the charging aperture of described refrigerant jar and two logical reversing arrangements.The circulation of liquid medium in the magnetic valve one control flexible pipe, check valve can be prevented backflow.
Compared with prior art, the cleaning that the air-conditioning duct cleaning device in this coolant reclaiming machine carries out air-conditioning system is divided into low pressure purge and high-pressure wash, and during low pressure purge, medium flows to high-pressure side from the low-pressure end of air-conditioning system; During high-pressure wash, medium flows to low-pressure end from the high-pressure side of air-conditioning system.Utilize medium two kinds of opposite flow directions of priority in air-conditioning duct that waste oil and refuse are thoroughly cleaned out air-conditioning system.
Description of drawings
Fig. 1 is the principle schematic of the air-conditioning duct cleaning device in this coolant reclaiming machine.
Among the figure, 1, the refrigerant jar; 2, two logical reversing arrangements; 21, charging aperture; 22, discharging opening; 23, interface; 3, air-conditioning system; 31, high-pressure side; 32, low-pressure end; 4, refrigerant separation purifier; 41, first cavity; 42, second cavity; 5, drier; 6, compressor; 61, low pressure inlet; 62, high-pressure outlet; 7, condenser; 8, energy converter; 9, waste oil bottle; 10, flexible pipe; 11, magnetic valve one; 12, check valve; 13, magnetic valve two; 14, pipeline.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the air-conditioning duct cleaning device in this coolant reclaiming machine is arranged between the refrigerant jar 1 and air-conditioning system 3 of coolant reclaiming machine, comprises compressor 6, two equipment such as logical reversing arrangement 2, energy converter 8 and refrigerant separation purifier 4.Refrigerant separation purifier 4 has first, second two separate cavitys.
The primary side of two logical reversing arrangements 2 has charging aperture 21 and discharging opening 22, and charging aperture 21 is communicated with by a flexible pipe 10 with refrigerant jar 1, and discharging opening 22 is communicated with the import of refrigerant separation purifier 4 first cavitys 41, is serially connected with magnetic valve 1 on the flexible pipe 10.The secondary end of two logical reversing arrangements 2 has two interfaces 23 that are communicated with the high and low pressure side 32 of air-conditioning system 3 respectively.Be connected on the low pressure inlet 61 of compressor 6 behind drier 5 of outlet serial connection of refrigerant separation purifier 4 first cavitys 41.The high-pressure outlet 62 of compressor 6 is communicated with the import of energy converter 8, the outlet of energy converter 8 is connected with the import of refrigerant separation purifier 4 second cavitys 42, the outlet of second cavity 42 is connected on the refrigerant jar 1 by pipeline 14, and this pipeline 14 is provided with condenser 7.
The cleaning device of this air-conditioning duct can be divided into low pressure purge and high-pressure wash to the cleaning in the air-conditioning system 3, and first low pressure purge is high-pressure wash again, low pressure purge---and high-pressure wash is a circulation.In the time of need cleaning air-conditioning duct, the medium that is provided for cleaning by refrigerant jar 1.
When beginning to clean, elder generation's low pressure purge, the liquid refrigerants that refrigerant jar 1 provides flows into by the charging aperture 21 of pipeline 14 from two logical reversing arrangements 2, then pass two logical reversing arrangements 2 and interface 23 and enter into air-conditioning system 3 from the low-pressure end 32 of air-conditioning system 3, medium flows to high-pressure side 31 from low-pressure end 32 in air-conditioning system 3, the interface 23 that is communicated with high-pressure side 31 of flowing through is afterwards discharged from discharging opening 22, the refrigerant of discharging has waste oil and the refuse that cleans out from air-conditioning system 3, in this process, liquid refrigerant has become gaseous state gradually.Gaseous coolant passes and enters into drier 5 behind first cavity 41 of refrigerant separation purifier 4 and carry out drying, and waste oil and refuse are separated in first cavity 41 and have stayed the bottom of first cavity 41.And then sucked from low pressure inlet 61 by compressor 6 after the gaseous coolant drying is intact, and in compressor 6, compress, the compression back is discharged from the high-pressure outlet 62 of compressor 6 and is entered into energy converter 8, and in this process, the gaseous coolant of low-temp low-pressure has been compressed into the gaseous coolant of HTHP.Flow back in the refrigerant jar 1 behind HTHP gaseous coolant process energy converter 8 and refrigerant separation purifier 4 second cavitys 42 and store, refrigerant is back in the process of refrigerant jar 1, the condenser 7 of flowing through is cooled and condenses into liquid state, conveniently be stored in the refrigerant jar 1, second cavity 42 of refrigerant separation purifier 4 plays the convective heat exchange effect.
The refuse of separating in refrigerant separation purifier 4 first cavitys 41 is stayed the bottom of first cavity 41, and highly purified refrigerant enters into drier 5, when low pressure purge finishes, discharges refuse and carries out high-pressure wash again.Can open an outlet in the bottom of refrigerant separation purifier 4 first cavitys 41, and the serial connection magnetic valve 2 13 be connected with waste oil bottle 9, opening magnetic valve 2 13 can be drained into the refuse of first cavity, 41 bottoms in the waste oil bottle 9.
During high-pressure wash, after the commutation through two logical reversing arrangements 2, the liquid refrigerants that flows into from charging aperture 21 can flow to from the high-pressure side 31 by air-conditioning system 3 air-conditioning system 3, flow to low-pressure end 32 by high-pressure side 31 in air-conditioning system 3, discharge from discharging opening 22 interface 23 backs that are communicated with low-pressure end 32 of flowing through.Process afterwards is identical with low pressure purge.Successively carry out just having finished after low pressure purge and the high-pressure wash cleaning to air-conditioning system 3.
Connection in the device between each equipment all is communicated with by pipeline 14, and the relevant position on pipeline 14 is connected in series some check valves 12.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1, air-conditioning duct cleaning device in a kind of coolant reclaiming machine, be arranged between the refrigerant jar (1) and air-conditioning system (3) of coolant reclaiming machine, it is characterized in that, this device comprises compressor (6) and two logical reversing arrangements (2), the high-pressure outlet (62) that described compressor (6) is provided with low pressure inlet (61) and is communicated with recovery machine refrigerant jar (1), charging aperture (21) and discharging opening (22) that above-mentioned two logical reversing arrangement (2) primary sides are provided with are communicated with the low pressure inlet (61) of refrigerant jar (1) and compressor (6) respectively, the medium that refrigerant jar (1) provides flows into from charging aperture (21), having cleaned the back discharges from discharging opening (22), two interfaces (23) that are arranged on two logical reversing arrangement (2) secondary ends respectively with the height of air-conditioning system (3), low-pressure end (31,32) be communicated with, medium is from height, low-pressure end (31,32) one of them end flows into, and has cleaned the back and has flowed out from another end.
2, air-conditioning duct cleaning device in the coolant reclaiming machine according to claim 1, it is characterized in that, be provided with purifier between described compressor (6) and the two logical reversing arrangements (2), this purifier comprises a refrigerant separation purifier (4) that is used for isolation of purified, described refrigerant separation purifier (4) comprises two separate cavitys, wherein the import of first cavity (41) and outlet are communicated with the discharging opening (22) of two logical reversing arrangements (2) and the low pressure inlet (61) of compressor (6) respectively, and the import of second cavity (42) and outlet are communicated with the high-pressure outlet (62) and the refrigerant jar (1) of compressor (6) respectively.
3, the air-conditioning duct cleaning device in the coolant reclaiming machine according to claim 2 is characterized in that, the exit of described second cavity (42) is provided with condenser (7).
4, according to the air-conditioning duct cleaning device in claim 2 or the 3 described coolant reclaiming machines, it is characterized in that, be communicated with the energy converter (8) of cushioning effect between the high-pressure outlet (62) of described compressor (6) and the import of second cavity (42).
5, according to the air-conditioning duct cleaning device in claim 2 or the 3 described coolant reclaiming machines, it is characterized in that, be communicated with a drier (5) between the import of the low pressure inlet (61) of described compressor (6) and first cavity (41) of refrigerant separation purifier (4).
6, the air-conditioning duct cleaning device in the coolant reclaiming machine according to claim 1, it is characterized in that, be communicated with by a flexible pipe (10) between the charging aperture (21) of described refrigerant jar (1) and two logical reversing arrangements (2), be provided with magnetic valve one (11) and check valve (12) on the flexible pipe (10) successively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201211777U CN201255547Y (en) | 2008-07-09 | 2008-07-09 | Air-conditioning duct cleaning device in coolant recovering machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201211777U CN201255547Y (en) | 2008-07-09 | 2008-07-09 | Air-conditioning duct cleaning device in coolant recovering machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201255547Y true CN201255547Y (en) | 2009-06-10 |
Family
ID=40738869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008201211777U Expired - Fee Related CN201255547Y (en) | 2008-07-09 | 2008-07-09 | Air-conditioning duct cleaning device in coolant recovering machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201255547Y (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102183106A (en) * | 2011-02-25 | 2011-09-14 | 北京精瑞德诚科技有限公司 | Rapid flushing device of refrigerating system |
CN102901287A (en) * | 2011-07-25 | 2013-01-30 | 罗伯特·博世有限公司 | Apparatus and method for recovering fluid refrigerant |
CN103075852A (en) * | 2013-02-18 | 2013-05-01 | 武汉理工大学 | Double-valve block convergence mechanism for refrigerant recovering and injecting machine |
CN103143539A (en) * | 2013-02-08 | 2013-06-12 | 甘小琴 | System and method for cleaning automotive air conditioner pipeline by refrigerating fluid |
CN103471300A (en) * | 2013-09-27 | 2013-12-25 | 武汉优力汽车技术发展有限公司 | Device used for recovering and charging more than two kinds of refrigerant |
CN104676989A (en) * | 2013-12-02 | 2015-06-03 | 博世汽车服务技术(苏州)有限公司 | Fluid filling and recovery device |
CN105209839A (en) * | 2013-03-14 | 2015-12-30 | 博世汽车服务解决方案公司 | Modified hose flush device and method |
CN107763905A (en) * | 2016-08-19 | 2018-03-06 | 青岛海尔空调电子有限公司 | Refrigerant cleaning device and the multi-online air-conditioning system containing the device |
WO2020155474A1 (en) * | 2019-02-01 | 2020-08-06 | 深圳市泰路科技有限公司 | Compressor oil recovery system and method for air conditioning system, and refrigerant recovery and filling machine |
TWI725362B (en) * | 2018-12-10 | 2021-04-21 | 李守雄 | Refrigeration and air-conditioning system cleaning device |
CN115382858A (en) * | 2022-07-21 | 2022-11-25 | 贵州金泽新能源科技有限公司 | An online cleaning system |
-
2008
- 2008-07-09 CN CNU2008201211777U patent/CN201255547Y/en not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102183106B (en) * | 2011-02-25 | 2013-08-14 | 北京精瑞德诚科技有限公司 | Rapid flushing device of refrigerating system |
CN102183106A (en) * | 2011-02-25 | 2011-09-14 | 北京精瑞德诚科技有限公司 | Rapid flushing device of refrigerating system |
CN102901287A (en) * | 2011-07-25 | 2013-01-30 | 罗伯特·博世有限公司 | Apparatus and method for recovering fluid refrigerant |
CN102901287B (en) * | 2011-07-25 | 2017-08-22 | 马勒国际有限公司 | Apparatus and method for reclaiming fluid refrigerant |
CN103143539B (en) * | 2013-02-08 | 2016-01-20 | 甘小琴 | A kind of system and method utilizing cold-producing medium to carry out pipelines of automobile air conditioner cleaning |
CN103143539A (en) * | 2013-02-08 | 2013-06-12 | 甘小琴 | System and method for cleaning automotive air conditioner pipeline by refrigerating fluid |
CN103075852A (en) * | 2013-02-18 | 2013-05-01 | 武汉理工大学 | Double-valve block convergence mechanism for refrigerant recovering and injecting machine |
CN103075852B (en) * | 2013-02-18 | 2016-05-11 | 武汉理工大学 | A kind of bivalve piece for refrigerant-recovery charging machine mechanism of confluxing |
CN105209839A (en) * | 2013-03-14 | 2015-12-30 | 博世汽车服务解决方案公司 | Modified hose flush device and method |
CN105209839B (en) * | 2013-03-14 | 2017-12-15 | 博世汽车服务解决方案公司 | The flexible pipe flushing device and method of remodeling |
CN103471300B (en) * | 2013-09-27 | 2016-05-18 | 武汉优力汽车技术发展有限公司 | A kind of for two or more refrigerant-recovery and filled device |
CN103471300A (en) * | 2013-09-27 | 2013-12-25 | 武汉优力汽车技术发展有限公司 | Device used for recovering and charging more than two kinds of refrigerant |
CN104676989A (en) * | 2013-12-02 | 2015-06-03 | 博世汽车服务技术(苏州)有限公司 | Fluid filling and recovery device |
CN107763905A (en) * | 2016-08-19 | 2018-03-06 | 青岛海尔空调电子有限公司 | Refrigerant cleaning device and the multi-online air-conditioning system containing the device |
CN107763905B (en) * | 2016-08-19 | 2020-01-17 | 青岛海尔空调电子有限公司 | Refrigerant cleaning device and multi-line air conditioning system containing the same |
TWI725362B (en) * | 2018-12-10 | 2021-04-21 | 李守雄 | Refrigeration and air-conditioning system cleaning device |
WO2020155474A1 (en) * | 2019-02-01 | 2020-08-06 | 深圳市泰路科技有限公司 | Compressor oil recovery system and method for air conditioning system, and refrigerant recovery and filling machine |
CN115382858A (en) * | 2022-07-21 | 2022-11-25 | 贵州金泽新能源科技有限公司 | An online cleaning system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201255547Y (en) | Air-conditioning duct cleaning device in coolant recovering machine | |
CN206056040U (en) | A kind of idle call retracting device, air conditioning system | |
CN117948742A (en) | Cleaning system for refrigerator system | |
CN201177477Y (en) | Coolant pipe cleaner of refrigerating device | |
CN103090606B (en) | Refrigerant oil replacement device for automotive air conditioner | |
KR101999391B1 (en) | refrigerant pipe cleaning equipment and cleaning method using the same | |
US5379605A (en) | Method for cleaning air conditioning system | |
CN201255544Y (en) | Coolant regenerative device in coolant recovering and charging machine | |
CN206056039U (en) | With the air conditioning system for reclaiming function | |
KR100883414B1 (en) | Refrigerant recovery device of high pressure refrigerator and refrigerant recovery method using the same | |
CN218269672U (en) | Refrigerant filling machine capable of automatically cleaning pipeline | |
AU2007225990B2 (en) | Method for the recovery of refrigeration oil | |
CN202442558U (en) | Refrigeration oil replacement device for automobile air conditioner | |
CN108905261A (en) | A kind of organic solvent gas vacuum recovery system and method | |
JPH0894216A (en) | A/c cycle cleaning apparatus and cleaning method | |
CN201255546Y (en) | Air-conditioning duct dredging device in coolant recovering machine | |
CN110657608A (en) | Recovery and filling machine for automobile air conditioner refrigerant and application thereof | |
CN109159762B (en) | Device and method for cleaning automobile air conditioner by using tetrafluoroethane | |
CN108775726B (en) | A kind of energy-saving type air conditioner unit | |
CN208751069U (en) | A kind of sewage air dual-source heat pump with the flow direction design of bridge-type refrigerant | |
CN102762936B (en) | For reclaiming the method for the cold-producing medium of refrigeration plant | |
KR200294127Y1 (en) | Heat exchange tube auto cleaning system using ball circulation pump | |
CN201255545Y (en) | Coolant supplement device in coolant recovering and charging machine | |
JP3799906B2 (en) | Pipe cleaning device and refrigerant recovery device | |
KR100443660B1 (en) | a cooling matter withdrawal and regeneration circuit for an air-conditioner cooling matter withdrawal and regeneration and filling up machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yuhuan Langxun Brass Industry Co., Ltd. Assignor: Feng Jifang Contract record no.: 2010330001545 Denomination of utility model: Air-conditioning duct cleaning device in coolant recovering machine Granted publication date: 20090610 License type: Exclusive License Record date: 20100802 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20120709 |