CN203771585U - Split type air conditioner and outdoor unit thereof - Google Patents
Split type air conditioner and outdoor unit thereof Download PDFInfo
- Publication number
- CN203771585U CN203771585U CN201320668444.3U CN201320668444U CN203771585U CN 203771585 U CN203771585 U CN 203771585U CN 201320668444 U CN201320668444 U CN 201320668444U CN 203771585 U CN203771585 U CN 203771585U
- Authority
- CN
- China
- Prior art keywords
- lubricating oil
- oil
- compressor
- outdoor unit
- air
- 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 - Lifetime
Links
- 239000010687 lubricating oil Substances 0.000 claims abstract description 118
- 239000003921 oil Substances 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims description 21
- 239000002826 coolant Substances 0.000 description 13
- 238000004378 air conditioning Methods 0.000 description 5
- 235000003642 hunger Nutrition 0.000 description 4
- 230000037351 starvation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model discloses a split type air conditioner and an outdoor unit thereof. The outdoor unit comprises compressors, oil separators, and at least two lubricating oil systems. Each lubricating oil system comprises one compressor and one oil separator. An exhaust hole of each compressor is communicated with an intake hole of the corresponding oil separator, which is in the same lubricating oil system with the compressor, through an exhaust pipe. Each lubricating oil system comprises a suction pipe. The first end of each suction pipe is communicated with the intake hole of the corresponding compressor, which is in the same lubricating oil system with the suction pipe. An oil outlet of each oil separator is communicated with the corresponding suction pipe, which is in the nearby lubricating oil system, through an oil return pipe. Meanwhile, the utility model further provides a split type air conditioner comprising an indoor unit and the outdoor unit mentioned above. The split type air conditioner and the outdoor unit thereof have the advantages that return oil can be distributed effectively and the normal application of the compressors is guaranteed.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly relates to a kind of split-type air conditioner and off-premises station thereof.
Background technology
Detachable air conditioner, consists of indoor set and off-premises station, the larger compressor of noise ratio, aerofoil fan etc., is placed in off-premises station; The indoor indispensable parts such as electric control circuit parts and indoor heat exchanger are arranged in indoor set, and indoor set is connected with electric wire by tube connector with off-premises station.
In the parts of split-type air conditioner, the operation of compressor will directly have influence on the service efficiency of air-conditioning.In order to guarantee the stable operation of compressor, need to adopt lubricating oil to be lubricated compressor, to guarantee the operation of compressor.
In multi-connected machine system (being that off-premises station is provided with a plurality of compressors), the exhaust outlet of compressor is all connected with the air inlet of corresponding oil eliminator by discharge duct, and the oil-out of oil eliminator is connected with the admission line of compressor by oil returning tube.So, via the gaseous coolant medium of compressor, can carry lubricating oil and enter oil eliminator by discharge duct, in oil eliminator, lubricating oil and gaseous coolant medium are separated, and gaseous coolant medium after treatment circulates to equipment such as entering heat exchanger by relevant pipe; The lubricating oil being separated with gaseous coolant medium can enter the admission line of compressor via oil returning tube, under the drive of coolant media, enter in compressor, and the relevant equipment of compressor is lubricated with cooling.Each compressor is to be all connected with corresponding oil eliminator, and compressor and oil eliminator form independent lubricating oil system.
But, because pipeline is long, drop is large, elbow is more, can cause the lubricating oil in single lubricating oil system to overstock in pipeline, and can not flow back in compressor, cause the lubricating oil being back in compressor not meet the lubrication needs of itself, finally can cause compressor to occur petrol starvation, cause compressor, owing to lacking lubricating oil, wearing and tearing or overheated occur, can not normally use.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of split-type air conditioner and off-premises station thereof, can guarantee oil return uniform distribution, guarantees the normal use of compressor.
A kind of air-conditioner outdoor unit provided by the utility model, comprise compressor and oil eliminator, comprise at least two group lubricating oil systems, every group of lubricating oil system includes described compressor and described oil eliminator, and the exhaust outlet of wherein said compressor is connected with the air inlet that is positioned at the described oil eliminator of same described lubricating oil system by discharge duct; Aspirating air pipe, includes aspirating air pipe in every group of lubricating oil system, and the first end of described aspirating air pipe is connected with the air inlet that is positioned at the described compressor of same described lubricating oil system; The oil-out of described oil eliminator is connected with the described aspirating air pipe in adjacent described lubricating oil system by oil returning tube.
Preferably, also comprise gas-liquid separator, the second end of described aspirating air pipe is connected with the exhaust outlet of described gas-liquid separator.
Preferably, described air intake duct is along described first end to the downward-sloping setting of described the second end.
Preferably, comprise the first lubricating oil system and the second lubricating oil system; The oil-out of the first oil eliminator in wherein said the first lubricating oil system is connected with the second aspirating air pipe in described the second lubricating oil system by the first oil returning tube; The oil-out of the second oil eliminator in described the second lubricating oil system is connected with the first aspirating air pipe in described the first lubricating oil system by the second oil returning tube.
Preferably, the oil-out of described the first oil eliminator is connected with described the first oil returning tube by the first capillary; The oil-out of described the second oil eliminator is connected with described the second oil returning tube by the second capillary.
Preferably, described gas-liquid separator is provided with triple valve, and described the first aspirating air pipe and described the second aspirating air pipe are connected with the exhaust outlet of described gas-liquid separator by described triple valve.
Preferably, the described compressor in described the first lubricating oil system is invariable frequency compressor, and the described compressor in described the second lubricating oil system is frequency-changeable compressor.
Preferably, described air-conditioner outdoor unit also comprises heat exchanger, and the gas outlet of described oil eliminator is connected with the air inlet of described heat exchanger.
Meanwhile, the utility model also provides a kind of split-type air conditioner, comprises indoor set and off-premises station, and described off-premises station is air-conditioner outdoor unit mentioned above.
A kind of air-conditioner outdoor unit provided by the utility model, comprise at least two group lubricating oil systems, every group of lubricating oil system includes compressor and oil eliminator, and wherein the exhaust outlet of the compressor in every group of lubricating oil system is connected with the air inlet of oil eliminator in same group of lubricating oil system by discharge duct; In every group of lubricating oil system, include aspirating air pipe, the first end of aspirating air pipe is connected with the air inlet that is arranged in the compressor of same lubricating oil system; The oil-out of oil eliminator is connected with the aspirating air pipe in adjacent lubricating oil system by oil returning tube.Lubricating oil in compressor can enter oil eliminator via discharge duct under the carrying of coolant media, in oil eliminator, coolant media and lubricating oil are separated, lubricating oil can enter the aspirating air pipe in another lubricating oil system via oil returning tube, and enter corresponding compressor via this aspirating air pipe, compressor is lubricated, then in lubricating oil system, circulates.So arrange, can guarantee that lubricating oil circulates in different lubricating oil systems, in cyclic process, lubricating oil can be reallocated, make lubricating oil meet the oily demand of using of each compressor, circulate and easily occur that petrol starvation compares in single lubricating oil system with lubricating oil in prior art, because lubricating oil can be redistributed by each lubricating oil system, therefore can guarantee to meet the demand of compressor to lubricating oil in single lubricating oil system, with this, can guarantee that compressor can normally use.
Meanwhile, the utility model also provides a kind of split-type air conditioner, comprises off-premises station and indoor set, and wherein off-premises station is air-conditioner outdoor unit mentioned above.Its beneficial effect that can reach is identical with the beneficial effect that can reach outside air conditioning chamber above, and both derivations are similar, therefore repeat no more in this article.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lubricating oil system of air-conditioner outdoor unit in a kind of specific embodiment provided by the utility model;
Wherein:
Invariable frequency compressor 1, downtake pipe road 1-1, the first aspirating air pipe 1-2, the first oil eliminator 1-3, the first oil returning tube 1-4, the first capillary 1-5, frequency-changeable compressor 2, second exhaust pipe road 2-1, the second aspirating air pipe 2-2, the second oil eliminator 2-3, the second oil returning tube 2-4, the second capillary 2-5, gas-liquid separator 3, triple valve 4.
The specific embodiment
Core of the present utility model is to provide a kind of split-type air conditioner and off-premises station thereof, can guarantee oil return uniform distribution, guarantees the normal use of compressor.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 1 is the structural representation of the lubricating oil system of air-conditioner outdoor unit in a kind of specific embodiment provided by the utility model.
In this specific embodiment, air-conditioner outdoor unit comprises the first lubricating oil system and the second lubricating oil system, wherein the first lubricating oil system comprises invariable frequency compressor 1 and the first oil eliminator 1-3, the second lubricating oil system comprises frequency-changeable compressor 2 and the second oil eliminator 2-3, wherein the exhaust outlet of invariable frequency compressor 1 is connected with the air inlet of the first oil eliminator 1-3 by downtake pipe road 1-1, the first end of the first aspirating air pipe 1-2 is connected with the air inlet of invariable frequency compressor 1, and its second end is connected with the exhaust outlet of gas-liquid separator 3; The exhaust outlet of frequency-changeable compressor 2 is connected with the air inlet of the second oil eliminator 2-3 by second exhaust pipe road 2-1, and the first end of the second aspirating air pipe 2-1 is connected with the air inlet of frequency-changeable compressor 2, and its second end is connected with the exhaust outlet of gas-liquid separator 3; The oil-out of the first oil eliminator 1-3 is connected with the second aspirating air pipe 2-2 by the first oil returning tube 1-4, and the oil-out of the second oil eliminator 2-3 is connected with the first aspirating air pipe 1-2 by the second oil returning tube 2-4.
So arrange, the lubricating oil entrained via the coolant media of invariable frequency compressor 1 can enter the first oil eliminator 1-3 via downtake pipe road 1-1, after the first oil eliminator 1-3 processes, coolant media and lubricating oil are separated, lubricating oil enters the second aspirating air pipe 2-2 via the first oil returning tube 1-4, coolant media in the second aspirating air pipe 2-2 can carry lubricating oil and enter frequency-changeable compressor 2, frequency-changeable compressor 2 is lubricated, coolant media can carry unnecessary lubricating oil and enter the second oil eliminator 2-3 by second exhaust pipe road 2-1, lubricating oil and coolant media are separated, oil-out by the second oil eliminator 2-3 enters the first aspirating air pipe 1-2, and enter frequency-changeable compressor 2 by the first aspirating air pipe 1-2, frequency-changeable compressor 2 is lubricated.So arrange, lubricating oil can distribute via the first lubricating oil system and the second lubricating oil system, make to enter invariable frequency compressor 1(or frequency-changeable compressor 2) lubricating oil meet invariable frequency compressor 1(or frequency-changeable compressor 2) use oily demand, guarantee that compressor obtains enough lubricating oil, circulate and easily occur that petrol starvation compares in single lubricating oil system with lubricating oil in prior art, because lubricating oil can be redistributed by the first lubricating oil system and the second lubricating oil system, therefore can avoid invariable frequency compressor 1 or frequency-changeable compressor 2 to occur petrol starvation, to guarantee the normal use of invariable frequency compressor 1 or frequency-changeable compressor 2.
Need that bright is, in this specific embodiment, off-premises station is provided with two groups of lubricating oil systems and is respectively the first lubricating oil system and the second lubricating oil system, certainly, also a plurality of lubricating oil systems can be set according to the actual condition of production, as three groups of lubricating oil systems can be set, wherein the oil returning tube in the first lubricating oil system is connected with the aspirating air pipe in the second lubricating oil system, oil returning tube in the second lubricating oil system is connected with the aspirating air pipe in the 3rd lubricating oil system, oil returning tube in the 3rd lubricating oil is connected with the aspirating air pipe in the first lubricating oil system, so guarantee that lubricating oil distributes in three groups of lubricating oil systems.
Also it should be noted that, in this specific embodiment, two groups of lubricating oil systems are the first lubricating oil system and the second lubricating oil system for convenience of description, and wherein the compressor in the first lubricating oil system is invariable frequency compressor 1, compressor in the second lubricating oil system is frequency-changeable compressor 2, certainly, also can be according to being actual production and service condition, the compressor in the first lubricating oil system and the second lubricating oil system is invariable frequency compressor or frequency-changeable compressor.
Air-conditioner outdoor unit is provided with gas-liquid separator 3, the exhaust outlet of gas-liquid separator 3 is provided with triple valve 4, the first end of the first aspirating air pipe 1-2 is connected with the air inlet of invariable frequency compressor 1, and the second end of the first aspirating air pipe 1-2 is connected with the exhaust outlet of gas-liquid separator 3 by triple valve 4; The first end of the second aspirating air pipe 2-2 is connected with the air inlet of frequency-changeable compressor 2, and its second end is connected with the exhaust outlet of gas-liquid separator 3 by triple valve 4.By gas-liquid separator 3 is set, can avoid liquid refrigerant to enter in frequency-changeable compressor 2 or invariable frequency compressor 1, prevent that liquid refrigerant from affecting the normal use of compressor.
It should be noted that, in this specific embodiment, the exhaust outlet of gas-liquid separator 3 guarantees that by triple valve 4 is set the first air intake duct 1-2 and the second air intake duct 2-2 are connected with exhaust outlet, certainly, does not also get rid of and adopts other logical valve to connect.When off-premises station is provided with a plurality of lubricating oil system, can select logical valve according to the number that arranges of lubricating oil system.
In scheme further, the first aspirating air pipe 1-2 is downward-sloping along first end to the second end, the second aspirating air pipe 2-2 is downward-sloping along its first end to the second, so arrange, because the first end of aspirating air pipe is higher than the second end, when only having compressor when work when only having invariable frequency compressor 1 work, lubricating oil enters the second aspirating air pipe 2-2 via the first oil returning tube 1-4, due to not work of frequency-changeable compressor 2, therefore lubricating oil can flow downward along the second air intake duct 2-2, while flowing through triple valve 4, under the pressure-acting of invariable frequency compressor 1, lubricating oil can be inhaled into the first aspirating air pipe 1-2, and enter invariable frequency compressor 1 via the first aspirating air pipe 1-2, invariable frequency compressor 1 is lubricated.So can meet the demand for lubricating oil amount of invariable frequency compressor 1, meanwhile, can avoid unnecessary lubricating oil to enter frequency-changeable compressor 2 via the second aspirating air pipe 2-2.
It should be noted that, in this specific embodiment, the position that the first oil returning tube 1-4 is connected with the second aspirating air pipe 2-2 is arranged at the place, centre position of the second aspirating air pipe 2-2, and the position that the second oil returning tube 2-4 is connected with the first aspirating air pipe 1-2 is arranged at the place, centre position of the first aspirating air pipe 1-2.So arrange, not only can guarantee that lubricating oil can enter smoothly frequency-changeable compressor 2 but also can guarantee that lubricating oil can flow into triple valve 4, enters the first aspirating air pipe 1-2.
Also it should be noted that, in this specific embodiment, aspirating air pipe is along the downward-sloping setting of first end to the second end, and the vertical range specifically arranging between first end and the gas outlet of gas-liquid separator 3 is greater than the vertical range between the second end and the gas outlet of gas-liquid separator 3.
In addition, the oil-out of the first oil eliminator 1-3 is connected with the first oil returning tube 1-4 by the first capillary 1-5, and the oil-out of the second oil eliminator 2-3 is connected with the second oil returning tube 2-4 by the second capillary 2-5.So arrange, by the throttling action of the first capillary 1-5 and the second capillary 2-5, can reduce the pressure of lubricating oil, guarantee that lubricating oil can enter invariable frequency compressor 1 or frequency-changeable compressor 2 via the first aspirating air pipe 1-2 or the second aspirating air pipe 2-2, to guarantee the needed lubricants capacity of compressor lubrication.
In addition, for guaranteeing the normal use of air-conditioning, air-conditioner outdoor unit also comprises heat exchanger, wherein the gas outlet of the gas outlet of the first oil eliminator 1-3 and the second oil eliminator 2-3 is all connected with the air inlet of heat exchanger, can guarantee that successively gaseous coolant medium enters heat exchanger, guarantee the normal use of air-conditioning.
Meanwhile, also provide a kind of split-type air conditioner in this specific embodiment, comprised off-premises station and indoor set, wherein off-premises station is off-premises station as described above, hereinbefore the set-up mode of off-premises station is introduced, therefore repeat no more in this article.
Above a kind of split-type air conditioner provided by the utility model and off-premises station thereof are described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. an air-conditioner outdoor unit, comprise compressor and oil eliminator, it is characterized in that, comprise at least two group lubricating oil systems, every group of lubricating oil system includes described compressor and described oil eliminator, and the exhaust outlet of wherein said compressor is connected with the air inlet that is positioned at the described oil eliminator of same described lubricating oil system by discharge duct;
Aspirating air pipe, includes aspirating air pipe in every group of lubricating oil system, and the first end of described aspirating air pipe is connected with the air inlet that is positioned at the described compressor of same described lubricating oil system;
The oil-out of described oil eliminator is connected with the described aspirating air pipe in adjacent described lubricating oil system by oil returning tube.
2. air-conditioner outdoor unit according to claim 1, is characterized in that, also comprises gas-liquid separator (3), and the second end of described aspirating air pipe is connected with the exhaust outlet of described gas-liquid separator (3).
3. air-conditioner outdoor unit according to claim 2, is characterized in that, described air intake duct is along described first end to the downward-sloping setting of described the second end.
4. air-conditioner outdoor unit according to claim 2, is characterized in that, comprises the first lubricating oil system and the second lubricating oil system; The oil-out of the first oil eliminator (1-3) in wherein said the first lubricating oil system is connected with the second aspirating air pipe (2-2) in described the second lubricating oil system by the first oil returning tube (1-4); The oil-out of the second oil eliminator (2-3) in described the second lubricating oil system is connected with the first aspirating air pipe (1-2) in described the first lubricating oil system by the second oil returning tube (2-4).
5. air-conditioner outdoor unit according to claim 4, is characterized in that, the oil-out of described the first oil eliminator (1-3) is connected with described the first oil returning tube (1-4) by the first capillary (1-5); The oil-out of described the second oil eliminator (2-3) is connected with described the second oil returning tube (2-4) by the second capillary (2-5).
6. air-conditioner outdoor unit according to claim 5, it is characterized in that, described gas-liquid separator (3) is provided with triple valve (4), and described the first aspirating air pipe (1-2) and described the second aspirating air pipe (2-2) are connected with the exhaust outlet of described gas-liquid separator (3) by described triple valve (4).
7. air-conditioner outdoor unit according to claim 4, is characterized in that, the described compressor in described the first lubricating oil system is invariable frequency compressor (1), and the described compressor in described the second lubricating oil system is frequency-changeable compressor (2).
8. according to the air-conditioner outdoor unit described in arbitrary of claim 1 to 7, it is characterized in that, described air-conditioner outdoor unit also comprises heat exchanger, and the gas outlet of described oil eliminator is connected with the air inlet of described heat exchanger.
9. a split-type air conditioner, comprises indoor set and off-premises station, it is characterized in that, described off-premises station is the air-conditioner outdoor unit described in arbitrary of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668444.3U CN203771585U (en) | 2013-10-28 | 2013-10-28 | Split type air conditioner and outdoor unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668444.3U CN203771585U (en) | 2013-10-28 | 2013-10-28 | Split type air conditioner and outdoor unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771585U true CN203771585U (en) | 2014-08-13 |
Family
ID=51288771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668444.3U Expired - Lifetime CN203771585U (en) | 2013-10-28 | 2013-10-28 | Split type air conditioner and outdoor unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528141A (en) * | 2013-10-28 | 2014-01-22 | 深圳麦克维尔空调有限公司 | Split air conditioner and outdoor unit thereof |
| CN104633999A (en) * | 2015-03-04 | 2015-05-20 | 深圳麦克维尔空调有限公司 | Variable-frequency air conditioner outdoor unit |
| US11029065B2 (en) | 2015-10-15 | 2021-06-08 | Carrier Corporation | Multi-stage oil batch boiling system |
-
2013
- 2013-10-28 CN CN201320668444.3U patent/CN203771585U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528141A (en) * | 2013-10-28 | 2014-01-22 | 深圳麦克维尔空调有限公司 | Split air conditioner and outdoor unit thereof |
| CN103528141B (en) * | 2013-10-28 | 2016-04-20 | 深圳麦克维尔空调有限公司 | A kind of split-type air conditioner and off-premises station thereof |
| CN104633999A (en) * | 2015-03-04 | 2015-05-20 | 深圳麦克维尔空调有限公司 | Variable-frequency air conditioner outdoor unit |
| CN104633999B (en) * | 2015-03-04 | 2017-12-08 | 深圳麦克维尔空调有限公司 | Frequency-variable air conditioner outdoor machine |
| US11029065B2 (en) | 2015-10-15 | 2021-06-08 | Carrier Corporation | Multi-stage oil batch boiling system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |