CN103807930B - Outdoor unit, method for filling lubricating oil into outdoor unit and air conditioner - Google Patents
Outdoor unit, method for filling lubricating oil into outdoor unit and air conditioner Download PDFInfo
- 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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- China
- Prior art keywords
- oil
- valve
- outdoor unit
- fuel
- lubricating oil
- 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.)
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Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 79
- 239000000446 fuel Substances 0.000 claims description 42
- 230000010412 perfusion Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [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
- 239000012530 fluid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 16
- 239000002893 slag Substances 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract 9
- 239000007924 injection Substances 0.000 abstract 9
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses an outdoor unit, a method for filling lubricating oil into the outdoor unit and an air conditioner, wherein the outdoor unit comprises a compressor, an oil separator, an oil equalizer, a four-way valve and an oil equalizing pipe; the outdoor unit further comprises an oil injection device, the oil injection device comprises an oil injection valve and an oil injection pipe, one end of the oil injection pipe is communicated with an outlet of the oil injection valve, and the other end of the oil injection pipe is communicated with the oil equalizing pipe. Before the unit is vacuumized, the tool filled with lubricating oil is connected to the oil injection valve, and the oil injection valve is opened when the unit is vacuumized, so that the lubricating oil can be poured. The procedure of oiling is carried out in the step of vacuumizing, and lubricating oil is not required to be added before welding, so that the welding risk is reduced, the safety is improved, and the system damage caused by welding slag falling into oil is avoided.
Description
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.
Priority Applications (1)
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CN201210442869.2A CN103807930B (en) | 2012-11-07 | 2012-11-07 | Outdoor unit, method for filling lubricating oil into outdoor unit and air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210442869.2A CN103807930B (en) | 2012-11-07 | 2012-11-07 | Outdoor unit, method for filling lubricating oil into outdoor unit and air conditioner |
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CN103807930A CN103807930A (en) | 2014-05-21 |
CN103807930B true CN103807930B (en) | 2017-05-31 |
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CN201210442869.2A Active CN103807930B (en) | 2012-11-07 | 2012-11-07 | Outdoor unit, method for filling lubricating oil into outdoor unit and air conditioner |
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Families Citing this family (4)
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 |
Citations (4)
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 using same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20070064909A (en) * | 2005-12-19 | 2007-06-22 | 삼성전자주식회사 | Air conditioner |
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2012
- 2012-11-07 CN CN201210442869.2A patent/CN103807930B/en active Active
Patent Citations (4)
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 using same |
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CN103807930A (en) | 2014-05-21 |
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