CN103807930B - Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner - Google Patents

Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner Download PDF

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Publication number
CN103807930B
CN103807930B CN201210442869.2A CN201210442869A CN103807930B CN 103807930 B CN103807930 B CN 103807930B CN 201210442869 A CN201210442869 A CN 201210442869A CN 103807930 B CN103807930 B CN 103807930B
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oil
valve
outdoor unit
fuel
equalizing pipe
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CN201210442869.2A
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CN103807930A (en
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张仕强
罗亚军
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention discloses a kind of outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner, outdoor unit includes compressor, oil eliminator, oil balancer, four-way valve and oil equalizing pipe, the exhaust outlet of compressor is connected with the air inlet of oil eliminator, the gas outlet of the oil eliminator is connected by the oil balancer with the entrance of the four-way valve, and the equal hydraulic fluid port of the oil balancer is connected with the oil equalizing pipe;The outdoor unit also includes oiling device, and the oiling device includes fuel feeding valve and oil fuel tube, and the outlet of described oil fuel tube one end and the fuel feeding valve, the other end is connected with the oil equalizing pipe.The frock that first will be equipped with lubricating oil is connected on fuel feeding valve before unit is vacuumized, oiling valve is opened when vacuumizing, you can realize the perfusion of lubricating oil.Vacuumize this link and carry out due to the operation of oiling being put into, without before welding plus lubricating oil, therefore reduce welding risk, improve security, and also avoid because during welding slag falls into oil and caused by harm to the system generation.

Description

Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner
Technical field
The present invention relates to field of air conditioning, more particularly to a kind of outdoor unit, the outdoor unit irrigates the method for lubricating oil, and makes With the air-conditioner of the outdoor unit.
Background technology
At present, the mode of air-conditioning system perfusion lubricating oil is typically all directly to be noted in oil or qi leel when assembling is produced Enter, the welding of pipeline is just carried out afterwards.There is following defect in this oiling mode:Because lubricating oil is flammable, so welding process In the presence of certain danger;And, easily caused during welding during welding slag falls into oil, harm is produced to system.
The content of the invention
For above-mentioned state of the art, the technical problems to be solved by the invention are, there is provided a kind of without in welding The outdoor unit of preceding plus lubricating oil, to reduce welding risk, it is to avoid the impurity such as welding slag is fallen into oil.
Another technical problem to be solved by this invention is, there is provided a kind of above-mentioned outdoor unit irrigates the side of lubricating oil Method.
Another technical problem to be solved by this invention is, there is provided a kind of air-conditioner using above-mentioned outdoor unit.
In order to solve the above-mentioned technical problem, a kind of outdoor unit provided by the present invention includes compressor, oil eliminator, oil Device, four-way valve and oil equalizing pipe, the exhaust outlet of the compressor are connected with the air inlet of the oil eliminator, the oil eliminator Gas outlet is connected by the oil balancer with the entrance of the four-way valve, and equal hydraulic fluid port and the oil equalizing pipe of the oil balancer connect It is logical;The outdoor unit also include oiling device, the oiling device include fuel feeding valve and oil fuel tube, described oil fuel tube one end with it is described The outlet of fuel feeding valve, the other end is connected with the oil equalizing pipe.
Wherein in one embodiment, equal fuel tap, the oil fuel tube and the oil equalizing pipe are provided with the oil equalizing pipe Link position is located between the equal fuel tap and the oil balancer.
Wherein in one embodiment, each described outdoor unit also includes the big valve and small valve for being connected with indoor set Door, the big valve, the minor valve and the fuel feeding valve are arranged on same valve rack.
Wherein in one embodiment, the oil fuel tube is copper pipe.
Wherein in one embodiment, the fuel feeding valve is stop valve.
The method that a kind of outdoor unit provided by the present invention irrigates lubricating oil, comprises the following steps:
Before being vacuumized after outdoor unit assembling is completed, the oil-out and the note of the frock of lubricating oil are will be equipped with The entrance connection of fuel tap, and set the volume of the lubricating oil for needing filling;
When vacuumizing, the fuel feeding valve is opened.
A kind of air-conditioner provided by the present invention, including indoor set and one or more outdoor units, the outdoor unit are upper The outdoor unit stated.
Outdoor unit provided by the present invention, the method for outdoor unit perfusion lubricating oil and air-conditioner, because outdoor unit is added Oiling device, the frock that lubricating oil is first will be equipped with before unit is vacuumized is connected on fuel feeding valve, and fuel feeding valve is opened when vacuumizing Door, using the principle of system inside and outside differential pressure, you can realize the perfusion of lubricating oil, compared with prior art, with following beneficial effect Really:
1st, vacuumize this link and carry out due to the operation of oiling being put into, without before welding plus lubricating oil, therefore drop Low welding risk, improves security, and also avoid because during welding slag falls into oil and caused by harm to the system generation.
2nd, produce easy to assembly, improve operating efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of one of outdoor unit of the air-conditioner in one of embodiment of the invention.
Above in each figure, 1- compressors, 2- outdoor heat exchangers, 3- oil eliminators, 4- vapour separators, 5- oil balancers, 6- tetra- Port valve, the big valves of 7-, 8- minor valves, 9- low pressure measurement valves, 10- oil equalizing pipes, the equal fuel taps of 11-, 12- oil balance stop valves, 13- notes Fuel tap, 14- oil fuel tubes, 15- subcoolers.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in detail.It should be noted that not conflicting In the case of, the feature in following embodiment and embodiment can be mutually combined.
Referring to Fig. 1, outdoor unit in one of embodiment of the invention include compressor 1, oil eliminator 3, oil balancer 5, Four-way valve 6, outdoor heat exchanger 2, subcooler 15, vapour separator 4, big valve 7, minor valve 8, oiling device and other conventional group Part, wherein, the exhaust outlet of compressor 1 is connected with the air inlet of oil eliminator 3, the gas outlet of oil eliminator 3 and entering for oil balancer 5 Gas port is connected, and the gas outlet four-way valve 6 of oil balancer 5 is connected, and the equal hydraulic fluid port of oil balancer 5 is connected with oil equalizing pipe 10, it is preferable that described Equal fuel tap 11 is connected with oil equalizing pipe 10.
The oiling device includes fuel feeding valve 13 and oil fuel tube 14, and the one end of the oil fuel tube 14 connects with the fuel feeding valve 13 Connect, the other end is connected with the oil equalizing pipe 10.Preferably, the oil fuel tube 14 is located at described equal with the link position of oil equalizing pipe 10 Between fuel tap 11 and the oil balancer 5.Equal fuel tap 11 is closed mode during due to power-off, so, can using this connected mode All it is added in oil balancer 5 with the lubricating oil for ensuring perfusion.Preferably, the big valve 7, the minor valve 8 and the oiling Valve 13 is arranged on same valve rack.Preferably, the oil fuel tube 14 is copper pipe.Preferably, the fuel feeding valve 13 is to cut Only valve.
The method of the outdoor unit perfusion lubricating oil of the present embodiment is as follows:
Before being vacuumized after outdoor unit assembling is completed, first by the frock and the entrance of the fuel feeding valve 13 that fill lubricating oil Couple together, and set the volume of the lubricants capacity for needing filling;When vacuumizing, by low pressure measurement valve 9 and oil balance cut-off Valve 12 is closed, and opens the fuel feeding valve 13, big valve 7 and minor valve 8 is connect into vavuum pump respectively and is vacuumized, with adding for vacuum Greatly, in the presence of system inside and outside differential pressure, lubricating oil constantly will be pressed into oil balancer 5 (because equal fuel tap 11 is to close when powering off Close), realize safety and stability oiling.
In another embodiment of the present invention, there is provided a kind of air-conditioner, including indoor set and one or more above-described embodiments In outdoor unit.When indoor set is for multiple, the oil equalizing pipe 10 of multiple outdoor units is connected, the oil balance cut-off on oil equalizing pipe 10 Valve 12 is in open mode;When indoor set is one, the oily balance stop valve 12 on oil equalizing pipe 10 is closed.
As can be seen here, the outdoor unit of the embodiment of the present invention, the method for outdoor unit perfusion lubricating oil and air-conditioner have following Beneficial effect:
1st, vacuumize this link and carry out due to the operation of oiling being put into, without before welding plus lubricating oil, therefore drop Low welding risk, improves security, and also avoid because during welding slag falls into oil and caused by harm to the system generation.
2nd, produce easy to assembly, improve operating efficiency.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (5)

1. a kind of outdoor unit perfusion lubricating oil method, outdoor unit include compressor, oil eliminator, oil balancer, four-way valve and Oil equalizing pipe, the exhaust outlet of the compressor is connected with the air inlet of the oil eliminator, and the gas outlet of the oil eliminator passes through The oil balancer is connected with the entrance of the four-way valve, and the equal hydraulic fluid port of the oil balancer is connected with the oil equalizing pipe;Its feature exists In,
The outdoor unit also includes oiling device, and the oiling device includes fuel feeding valve and oil fuel tube, described oil fuel tube one end and institute The outlet of fuel feeding valve is stated, the other end is connected with the oil equalizing pipe;
Comprise the following steps:
Before being vacuumized after outdoor unit production assembling is completed, the oil-out and the note of the frock of lubricating oil are will be equipped with The entrance connection of fuel tap, and set the volume of the lubricating oil for needing filling;
When vacuumizing, the fuel feeding valve is opened.
2. method according to claim 1, it is characterised in that equal fuel tap, the oil fuel tube are provided with the oil equalizing pipe Link position with the oil equalizing pipe is located between the equal fuel tap and the oil balancer.
3. method according to claim 1, it is characterised in that the outdoor unit also includes big for what is be connected with indoor set Valve and minor valve, the big valve, the minor valve and the fuel feeding valve are arranged on same valve rack.
4. method as claimed in any of claims 1 to 3, it is characterised in that the oil fuel tube is copper pipe.
5. method as claimed in any of claims 1 to 3, it is characterised in that the fuel feeding valve is stop valve.
CN201210442869.2A 2012-11-07 2012-11-07 Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner Active CN103807930B (en)

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CN201210442869.2A CN103807930B (en) 2012-11-07 2012-11-07 Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359248B (en) * 2014-11-01 2016-08-24 李钦源 A kind of refrigeration system refrigeration oil regulation system
JP6638168B2 (en) * 2015-11-12 2020-01-29 三菱重工サーマルシステムズ株式会社 Refrigerant circuit of air conditioner and air conditioner
CN106813422B (en) * 2016-12-29 2020-02-14 华为数字技术(苏州)有限公司 Air conditioner detection device
CN109630852B (en) * 2018-11-22 2021-01-12 宁波奥克斯电气股份有限公司 Air conditioner pipeline system and oil injection method

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CN201983528U (en) * 2011-01-07 2011-09-21 珠海格力电器股份有限公司 Multi-connected air conditioner outdoor unit with oil balancing function and air conditioning system
CN202228309U (en) * 2011-09-07 2012-05-23 泰豪科技股份有限公司 Oil extraction and injection device for compressor
CN202327614U (en) * 2011-12-06 2012-07-11 李志静 Oil change and filtration equipment
CN202902494U (en) * 2012-11-07 2013-04-24 珠海格力电器股份有限公司 Outdoor unit and air conditioner comprising same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070064909A (en) * 2005-12-19 2007-06-22 삼성전자주식회사 Air conditioner

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN201983528U (en) * 2011-01-07 2011-09-21 珠海格力电器股份有限公司 Multi-connected air conditioner outdoor unit with oil balancing function and air conditioning system
CN202228309U (en) * 2011-09-07 2012-05-23 泰豪科技股份有限公司 Oil extraction and injection device for compressor
CN202327614U (en) * 2011-12-06 2012-07-11 李志静 Oil change and filtration equipment
CN202902494U (en) * 2012-11-07 2013-04-24 珠海格力电器股份有限公司 Outdoor unit and air conditioner comprising same

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