CN103807930A - 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
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- CN103807930A CN103807930A CN201210442869.2A CN201210442869A CN103807930A CN 103807930 A CN103807930 A CN 103807930A CN 201210442869 A CN201210442869 A CN 201210442869A CN 103807930 A CN103807930 A CN 103807930A
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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 uniform distributing device, a four-way valve and an oil uniform distributing pipe, wherein an exhaust opening of the compressor is communicated with an air inlet of the oil separator, an air outlet of the oil separator is communicated with an inlet of the four-way valve through the oil uniform distributing device, an oil uniform distributing opening of the oil uniform distributing device is communicated with the oil uniform distributing pipe, the outdoor unit also comprises an oil filling device, the oil filling device comprises an oil filling valve and an oil filling pipe, one end of the oil filling pipe is communicated with an outlet of the oil filling valve, and the other end of the oil filling pipe is communicated with the oil uniform distributing pipe. Before the machine unit vacuum pumping, firstly, a tooling containing lubricating oil is connected onto the oil filling valve, the oil filling valve is opened during the vacuum pumping, and the lubricating oil filling can be realized. The oil filling work procedure is carried out in the vacuum pumping link, the lubricating oil addition is not needed before the welding, so the welding risk is reduced, the safety is improved, and in addition, the occurrence of system harm caused by welding slag falling into the oil can also be avoided.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of off-premises station, this off-premises station pours into the method for lubricating oil, and uses the air-conditioner of this off-premises station.
Background technology
At present, the mode of air-conditioning system perfusion lubricating oil is all generally directly to divide middle injection at oil content or gas in the time producing assembling, just carries out afterwards the welding of pipeline.There is following defect in this oiling mode: because lubricating oil is flammable, so welding process exists certain danger; And, when welding, easily cause welding slag to fall in oil, system is produced to harm.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, a kind of off-premises station without apply oil before welding is provided, and to reduce welding risk, avoids the impurity such as welding slag to fall in oil.
Another technical problem to be solved by this invention is, a kind of method of above-mentioned off-premises station perfusion lubricating oil is provided.
Another technical problem to be solved by this invention is, a kind of air-conditioner that uses above-mentioned off-premises station is provided.
In order to solve the problems of the technologies described above, a kind of off-premises station provided by the present invention comprises compressor, oil eliminator, oil balancer, cross valve and oil equalizing pipe, the exhaust outlet of described compressor is communicated with the air inlet of described oil eliminator, the gas outlet of described oil eliminator is communicated with the entrance of described cross valve by described oil balancer, and the equal hydraulic fluid port of described oil balancer is communicated with described oil equalizing pipe; Described off-premises station also comprises oiling device, and this oiling device comprises fuel feeding valve and oil fuel tube, and described oil fuel tube one end is communicated with the outlet of described fuel feeding valve, and the other end is communicated with described oil equalizing pipe.
In an embodiment, be provided with equal fuel tap on described oil equalizing pipe therein, the link position of described oil fuel tube and described oil equalizing pipe is between described equal fuel tap and described oil balancer.
In an embodiment, each described off-premises station also comprises large valve and the minor valve for being connected with indoor set therein, and described large valve, described minor valve and described fuel feeding valve are arranged on same valve rack.
In an embodiment, described oil fuel tube is copper pipe therein.
In an embodiment, described fuel feeding valve is stop valve therein.
The method of a kind of off-premises station perfusion lubricating oil provided by the present invention, comprises the steps:
Before vacuumizing after described off-premises station has assembled, the oil-out of frock and the entrance of described fuel feeding valve that lubricating oil is housed are connected, and set the volume of the lubricating oil that needs filling;
While vacuumizing, open described fuel feeding valve.
A kind of air-conditioner provided by the present invention, comprises indoor set and one or more off-premises station, and described off-premises station is above-mentioned off-premises station.
Method and the air-conditioner of off-premises station provided by the present invention, off-premises station perfusion lubricating oil, because off-premises station adds oiling device, before vacuumizing, unit first the frock that lubricating oil is housed is connected on fuel feeding valve, in the time vacuumizing, open oiling valve, utilize the principle of system inside and outside differential pressure, can realize the perfusion of lubricating oil, compared with prior art, there is following beneficial effect:
1, vacuumize this link and carry out due to the operation of oiling is put into, without apply oil before welding, therefore reduced welding risk, improved security, but also avoided falling into because of welding slag the generation that causes harm to the system in oil.
2, produce easy to assemblyly, improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one of them off-premises station of the air-conditioner in one of them embodiment of the present invention.
Above in each figure, 1-compressor, 2-outdoor heat exchanger, 3-oil eliminator, 4-vapour separator, 5-oil balancer, 6-cross valve, the large valve of 7-, 8-minor valve, 9-low pressure measurement valve, 10-oil equalizing pipe, the equal fuel tap of 11-, 12-oil balance stop valve, 13-fuel feeding valve, 14-oil fuel tube, 15-subcooler.
The specific embodiment
Below with reference to accompanying drawing, also the present invention is described in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in following embodiment and embodiment can combine mutually.
Referring to Fig. 1, off-premises station in one of them embodiment of the present invention comprises compressor 1, oil eliminator 3, oil balancer 5, cross valve 6, outdoor heat exchanger 2, subcooler 15, vapour separator 4, large valve 7, minor valve 8, oiling device and other conventional assembly, wherein, the exhaust outlet of compressor 1 is communicated with the air inlet of oil eliminator 3, the gas outlet of oil eliminator 3 is communicated with the air inlet of oil balancer 5, the gas outlet cross valve 6 of oil balancer 5 is communicated with, the equal hydraulic fluid port of oil balancer 5 is communicated with oil equalizing pipe 10, preferably, on described oil equalizing pipe 10, be connected with equal fuel tap 11.
Described oiling device comprises fuel feeding valve 13 and oil fuel tube 14, and described oil fuel tube 14 one end are connected with described fuel feeding valve 13, and the other end is connected with described oil equalizing pipe 10.Preferably, the link position of described oil fuel tube 14 and oil equalizing pipe 10 is between described equal fuel tap 11 and described oil balancer 5.During due to power-off, equal fuel tap 11 is closed conditions, so, adopt this connected mode can guarantee that the lubricating oil of perfusion has all been added in oil balancer 5.Preferably, described large valve 7, described minor valve 8 and described fuel feeding valve 13 are arranged on same valve rack.Preferably, described oil fuel tube 14 is copper pipe.Preferably, described fuel feeding valve 13 is stop valve.
The method of the off-premises station perfusion lubricating oil of the present embodiment is as follows:
Before vacuumizing after off-premises station has assembled, first the dress frock of lubricating oil and the entrance of described fuel feeding valve 13 are coupled together, and set the volume of the lubricants capacity that needs filling; While vacuumizing, low pressure measurement valve 9 and oily balance stop valve 12 are closed, open described fuel feeding valve 13, large valve 7 and minor valve 8 are connect respectively to vavuum pump to be vacuumized, along with the increasing of vacuum, under the effect of system inside and outside differential pressure, lubricating oil will constantly be pressed in oil balancer 5 (due to power-off time equal fuel tap 11 close), realize safety and stability oiling.
In another embodiment of the present invention, provide a kind of air-conditioner, comprise the off-premises station in indoor set and one or more above-described embodiment.When indoor set is while being multiple, the oil equalizing pipe 10 of multiple off-premises stations is connected, and the oily balance stop valve 12 on oil equalizing pipe 10 is in open mode; In the time that indoor set is one, the oily balance stop valve 12 on oil equalizing pipe 10 is in closed condition.
As can be seen here, method and the air-conditioner of the off-premises station of the embodiment of the present invention, off-premises station perfusion lubricating oil have following beneficial effect:
1, vacuumize this link and carry out due to the operation of oiling is put into, without apply oil before welding, therefore reduced welding risk, improved security, but also avoided falling into because of welding slag the generation that causes harm to the system in oil.
2, produce easy to assemblyly, improved operating efficiency.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an off-premises station, comprise compressor, oil eliminator, oil balancer, cross valve and oil equalizing pipe, the exhaust outlet of described compressor is communicated with the air inlet of described oil eliminator, the gas outlet of described oil eliminator is communicated with the entrance of described cross valve by described oil balancer, and the equal hydraulic fluid port of described oil balancer is communicated with described oil equalizing pipe; It is characterized in that, described off-premises station also comprises oiling device, and this oiling device comprises fuel feeding valve and oil fuel tube, and described oil fuel tube one end is communicated with the outlet of described fuel feeding valve, and the other end is communicated with described oil equalizing pipe.
2. off-premises station according to claim 1, is characterized in that, is provided with equal fuel tap on described oil equalizing pipe, and the link position of described oil fuel tube and described oil equalizing pipe is between described equal fuel tap and described oil balancer.
3. off-premises station according to claim 1, is characterized in that, described off-premises station also comprises large valve and the minor valve for being connected with indoor set, and described large valve, described minor valve and described fuel feeding valve are arranged on same valve rack.
4. according to the off-premises station described in any one in claims 1 to 3, it is characterized in that, described oil fuel tube is copper pipe.
5. according to the off-premises station described in any one in claims 1 to 3, it is characterized in that, described fuel feeding valve is stop valve.
6. a method for the perfusion lubricating oil of the off-premises station as described in any one in claim 1 to 5, is characterized in that, comprises the steps:
Before vacuumizing after described off-premises station has assembled, the oil-out of frock and the entrance of described fuel feeding valve that lubricating oil is housed are connected, and set the volume of the lubricating oil that needs filling;
While vacuumizing, open described fuel feeding valve.
7. an air-conditioner, comprises indoor set and one or more off-premises station, it is characterized in that, described off-premises station is the off-premises station as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210442869.2A CN103807930B (en) | 2012-11-07 | 2012-11-07 | Outdoor unit, the method for outdoor unit perfusion lubricating oil and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN103807930A true CN103807930A (en) | 2014-05-21 |
| CN103807930B CN103807930B (en) | 2017-05-31 |
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| CN201210442869.2A Active 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359248A (en) * | 2014-11-01 | 2015-02-18 | 李钦源 | Refrigeration oil adjusting system of refrigeration system |
| JP2017089988A (en) * | 2015-11-12 | 2017-05-25 | 三菱重工業株式会社 | Refrigerant circuit of air conditioner, and air conditioner |
| CN106813422A (en) * | 2016-12-29 | 2017-06-09 | 华为数字技术（苏州）有限公司 | A kind of detection of air-conditioning device |
| CN109630852A (en) * | 2018-11-22 | 2019-04-16 | 宁波奥克斯电气股份有限公司 | A kind of air conditioning pipe system and correction oil injection method |
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| KR20070064909A (en) * | 2005-12-19 | 2007-06-22 | 삼성전자주식회사 | Air conditioner |
| 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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2012
- 2012-11-07 CN CN201210442869.2A patent/CN103807930B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20070064909A (en) * | 2005-12-19 | 2007-06-22 | 삼성전자주식회사 | Air conditioner |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359248A (en) * | 2014-11-01 | 2015-02-18 | 李钦源 | Refrigeration oil adjusting system of refrigeration system |
| CN104359248B (en) * | 2014-11-01 | 2016-08-24 | 李钦源 | A kind of refrigeration system refrigeration oil regulation system |
| JP2017089988A (en) * | 2015-11-12 | 2017-05-25 | 三菱重工業株式会社 | Refrigerant circuit of air conditioner, and air conditioner |
| CN106813422A (en) * | 2016-12-29 | 2017-06-09 | 华为数字技术（苏州）有限公司 | A kind of detection of air-conditioning device |
| CN106813422B (en) * | 2016-12-29 | 2020-02-14 | 华为数字技术（苏州）有限公司 | Air conditioner detection device |
| CN109630852A (en) * | 2018-11-22 | 2019-04-16 | 宁波奥克斯电气股份有限公司 | A kind of air conditioning pipe system and correction oil injection method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103807930B (en) | 2017-05-31 |
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