CN201926222U - Air conditioner and low-pressure oil storage and refrigerant circulation accelerating device thereof - Google Patents
Air conditioner and low-pressure oil storage and refrigerant circulation accelerating device thereof Download PDFInfo
- Publication number
- CN201926222U CN201926222U CN2010206843357U CN201020684335U CN201926222U CN 201926222 U CN201926222 U CN 201926222U CN 2010206843357 U CN2010206843357 U CN 2010206843357U CN 201020684335 U CN201020684335 U CN 201020684335U CN 201926222 U CN201926222 U CN 201926222U
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- Prior art keywords
- pressure oil
- oil storage
- circulating device
- low pressure
- coolant circulating
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- 238000003860 storage Methods 0.000 title claims abstract description 79
- 239000003507 refrigerant Substances 0.000 title claims abstract description 27
- 230000001133 acceleration Effects 0.000 claims abstract description 50
- 238000004378 air conditioning Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000002826 coolant Substances 0.000 claims description 64
- 238000007599 discharging Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses an air conditioner and low pressure oil storage and refrigerant circulating device with higher speed thereof, the air conditioner including: the system comprises a compressor, an oil separator, a four-way valve, an outdoor heat exchanger, an outdoor throttling component, an indoor heat exchanger, a gas-liquid separator and a low-pressure oil storage and acceleration refrigerant circulating device. The low-pressure oil storage and acceleration refrigerant circulating device is provided with a low-pressure oil storage and acceleration refrigerant circulating device outlet pipe, a low-pressure oil storage and acceleration refrigerant circulating device inlet pipe and a low-pressure oil storage and acceleration refrigerant circulating device inlet pipe, the low-pressure oil storage and acceleration refrigerant circulating device outlet pipe is connected with the compressor, the low-pressure oil storage and acceleration refrigerant circulating device inlet pipe is connected with the gas-liquid separator, and the low-pressure oil storage and acceleration refrigerant circulating device inlet pipe is connected with the liquid discharge pipe of the gas-liquid separator. The utility model discloses can satisfy the travelling comfort of air conditioner under each condition, improve air conditioning unit's reliability.
Description
Technical field
The utility model relates to air-conditioning, refers in particular to a kind of air-conditioning and the low pressure oil storage and acceleration coolant circulating device that can improve the air-conditioning security.
Background technology
Air-conditioning is widely used in the various occasions that we work, live at present, for we provide comfortable work, living environment.The air-conditioning refrigeration system of prior art is made up of compressor, high temperature heat source heat exchanger, throttle part and low-temperature heat source heat exchanger, gas-liquid separator and oil eliminator, under certain service condition, the refrigerator oil of separating by oil eliminator all can directly loop back compressor, but out of service when air-conditioning refrigeration system, the oil in the oil eliminator can directly flow to the air entry of compressor or be trapped in the air intake duct trackside owing to the high-low pressure pressure reduction of air-conditioning refrigeration system; When causing compressor to start once more, compressor can't normally start or cause damage.In addition, just started when operation at air-conditioning refrigeration system, only will be stored in the speed that the liquid refrigerants in the gas-liquid separator shifts by gas-liquid separator can be slow, and the comfortableness of air-conditioning refrigeration system is poor.
Along with people increase day by day to the requirement of air-conditioning system range of operation, traditional air-conditioner can not be met the need of market, particularly for the air-conditioning system of air-cooled direct-cooling type cold wind, therefore, the utility model provides a kind of air-conditioning and low pressure oil storage thereof and quickens coolant circulating device, it can satisfy the comfortableness of air-conditioning under each condition, improves the reliability of air-conditioning unit.
Summary of the invention
The utility model provides a kind of air-conditioning and low pressure oil storage thereof and quickens coolant circulating device, it can be when air-conditioning system be out of service, refrigerator oil in the oil eliminator concentrated be stored into the low pressure oil storage and quicken coolant circulating device, can fast refrigerator oil be transferred to compressor and oil eliminator when starting once more, guarantee the validity and the security of air-conditioning system operation; And can quicken the low-pressure side liquid refrigerants by low pressure oil storage and acceleration coolant circulating device and transfer to the high-pressure side, effectively improve the comfortableness of air-conditioning system.
The utility model is achieved in that
A kind of low pressure oil storage and acceleration coolant circulating device, it includes shell, the low pressure oil storage of a sealing and quickens coolant circulating device to go out pipe, reach the low pressure oil storage and quicken the coolant circulating device inlet pipe, wherein, described low pressure oil storage goes out pipe with the acceleration coolant circulating device and is connected with acceleration coolant circulating device inlet pipe lower end with described low pressure oil storage, and its junction is provided with hole for back flow.
Preferably, described low pressure oil storage and acceleration coolant circulating device go out pipe and described low pressure oil storage and quicken the U type pipe that coolant circulating device inlet pipe formation opening makes progress.
Preferably, the bottom of described shell is provided with the low pressure oil storage and quickens the coolant circulating device feed tube.
Preferably, described low pressure oil storage and acceleration coolant circulating device go out to manage, reach on described low pressure oil storage and the acceleration coolant circulating device inlet pipe to be respectively equipped with pressure compensation opening, and described pressure compensation opening is near the top end of described shell.
The utility model also provides a kind of air-conditioning, it includes: compressor, oil eliminator, cross valve, outdoor heat exchanger, outdoor throttle part, gas-liquid separator, indoor throttle part and indoor heat exchanger, wherein, described oil eliminator is connected with described cross valve by high-pressure air pipe, described outdoor throttle part is connected by middle hydraulic fluid pipe with described indoor heat exchanger, described air-conditioning also comprises as described above first or second or the 4th described low pressure oil storage and quickens coolant circulating device, described low pressure oil storage is connected with described gas-liquid separator with acceleration coolant circulating device inlet pipe, and described low pressure oil storage goes out pipe with the acceleration coolant circulating device and is connected the circulation of acceleration refrigerant with described compressor.
Preferably, the low pressure oil storage is connected with the gas-liquid separator discharging tube with acceleration coolant circulating device feed tube, described low pressure oil storage and quicken the coolant circulating device feed tube and be connected with liquid inlet electromagnetic valve is controlled described low pressure oil storage and is quickened being communicated with of coolant circulating device feed tube and described gas-liquid separator by described liquid inlet electromagnetic valve.
The utility model has following beneficial effect with respect to prior art:
When air-conditioning system is normally moved, when if the liquid refrigerants that stores in the gas-liquid separator is too much, open liquid inlet electromagnetic valve, operative liquid refrigerant in the gas-liquid separator is transferred to the low pressure oil storage fast and quickened coolant circulating device, compressor is transferred to the high-pressure side by hole for back flow fast with refrigerant, has improved the comfortableness of air-conditioning; When air-conditioning system firm when out of service, refrigerator oil is because the relation of pressure reduction, the refrigerator oil of storing in the oil eliminator enters the low pressure oil storage fast and quickens coolant circulating device and goes out pipe, enter into low pressure oil storage and acceleration low pressure oil storage and acceleration coolant circulating device by hole for back flow and store, avoid refrigerator oil directly to enter compressor; When air-conditioning system was moved once more, the refrigerator oil that can guarantee to be stored in the low pressure oil storage and quicken coolant circulating device was evacuated to compressor fast, had improved air-conditioning effectively circulate coolant quantity and safety in operation.
Description of drawings
Fig. 1 is the utility model air-conditioning system figure;
Fig. 2 is oil storage of the utility model low pressure and the structural representation that quickens coolant circulating device;
Fig. 3 is the state diagram two of the utility model air-conditioning system;
Fig. 4 is the state diagram three of the utility model air-conditioning system.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
As shown in Figures 1 and 2.The utility model air-conditioning, it includes: compressor 1, oil eliminator 2, cross valve 4, outdoor heat exchanger 5, outdoor throttle part 6, indoor throttle part 8, indoor heat exchanger 9, gas-liquid separator 11, and low pressure oil storage and quicken coolant circulating device 13.Wherein, described outdoor throttle part 6 is connected by middle hydraulic fluid pipe 7 with described indoor heat exchanger 9, described oil eliminator 2 is connected by high-pressure air pipe 3 with described cross valve 4, the air inlet pipe 10 of described gas-liquid separator 11, described outdoor heat exchanger 5, and described indoor heat exchanger 9 all be connected with described cross valve 4; Described low pressure oil storage has the low pressure oil storage with acceleration coolant circulating device 13 and quickens coolant circulating device to go out pipe 14, low pressure oil storage and acceleration coolant circulating device inlet pipe 15, reach the low pressure oil storage and quicken coolant circulating device feed tube 16, described low pressure oil storage with quicken coolant circulating device and go out pipe 14 and be connected with described compressor 1, described low pressure oil storage is connected with described gas-liquid separator 11 with acceleration coolant circulating device inlet pipe 15, and described low pressure oil storage then is connected with the discharging tube 17 of described gas-liquid separator 11 with acceleration coolant circulating device feed tube 16.
In the utility model, described low pressure oil storage and acceleration coolant circulating device feed tube 16 are connected with liquid inlet electromagnetic valve 18, by described low pressure oil storages of described liquid inlet electromagnetic valve 18 controls and the break-make of acceleration coolant circulating device feed tube 16 with described gas-liquid separator 11.
As shown in Figure 2, described low pressure oil storage and acceleration coolant circulating device 13 also comprise: the shell 19 of a sealing, described low pressure oil storage and acceleration coolant circulating device inlet pipe 15, described low pressure oil storage goes out pipe 14 parallel going deep in the described shell 19 with the acceleration coolant circulating device, and its lower end connects, form the U type pipe that an opening makes progress, the junction is provided with hole for back flow 20, described low pressure oil storage and acceleration coolant circulating device inlet pipe 15, and described low pressure oil storage goes out on the pipe 14 to be respectively equipped with pressure compensation opening 22 with the acceleration coolant circulating device, 21, described pressure compensation opening 22,21 top ends near described shell 19, described hole for back flow 20 is used to shift refrigerator oil or refrigerant.
Off-mode: continue referring to Fig. 1, wherein, direction shown in the arrow is the flow direction of refrigerator oil.When air-conditioning system by running to when stopping, close liquid inlet electromagnetic valve 18, because air-conditioning system just stops, also there is pressure differential in air-conditioning system, the refrigerator oil of storing in the oil eliminator 2 enters into the low pressure oil storage fast and refrigerant acceleration EGR goes out pipe 14, enter into low pressure oil storage and refrigerant by hole for back flow 20 then and quicken EGR 13 and store, avoid refrigerator oil directly to enter compressor 1.
Open state: referring to shown in Figure 3, wherein, direction shown in the arrow is the flow direction of refrigerator oil.Because quickening EGR 13, low pressure oil storage this moment and refrigerant have hole for back flow 20, when air-conditioning system by out of service when starting once more, keep liquid inlet electromagnetic valve 18 to close, after starting, compressor 1 refrigerator oil of low pressure oil storage and refrigerant acceleration EGR 13 can be pumped to compressor 1 fast, transfer in compressor 1 and the oil eliminator 2, guaranteed the safety of air-conditioning system operation.
Refrigerant quickens transfering state: as shown in Figure 4, wherein, direction shown in the arrow is the flow direction of liquid refrigerants.When air-conditioning system is normally moved, the liquid refrigerants that determines vapour liquid separator 11 storages in the air-conditioning system when detection is too much, open liquid inlet electromagnetic valve 18, operative liquid refrigerant in the vapour liquid separator 11 is transferred to the low pressure oil storage fast and quickened coolant circulating device 13, compressor 1 is transferred to the high-pressure side of air-conditioning system by hole for back flow 20 fast with refrigerant then, effectively improves the comfortableness of system.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (6)
1. a low pressure oil storage and quicken coolant circulating device, it is characterized in that, it includes shell, the low pressure oil storage of a sealing and quickens coolant circulating device to go out pipe, reach the low pressure oil storage and quicken the coolant circulating device inlet pipe, wherein, described low pressure oil storage goes out pipe with the acceleration coolant circulating device and is connected with acceleration coolant circulating device inlet pipe lower end with described low pressure oil storage, and its junction is provided with hole for back flow.
2. low pressure oil storage as claimed in claim 1 and acceleration coolant circulating device is characterized in that, described low pressure oil storage goes out to manage the U type pipe that makes progress with described low pressure oil storage and acceleration coolant circulating device inlet pipe formation opening with the acceleration coolant circulating device.
3. low pressure oil storage as claimed in claim 1 and acceleration coolant circulating device is characterized in that, the bottom of described shell is provided with the low pressure oil storage and quickens the coolant circulating device feed tube.
4. low pressure oil storage as claimed in claim 1 and acceleration coolant circulating device, it is characterized in that, described low pressure oil storage and acceleration coolant circulating device go out to manage, reach on described low pressure oil storage and the acceleration coolant circulating device inlet pipe to be respectively equipped with pressure compensation opening, and described pressure compensation opening is near the top end of described shell.
5. air-conditioning, it includes: compressor, oil eliminator, cross valve, outdoor heat exchanger, outdoor throttle part, gas-liquid separator, indoor throttle part and indoor heat exchanger, wherein, described oil eliminator is connected with described cross valve by high-pressure air pipe, described outdoor throttle part is connected by middle hydraulic fluid pipe with described indoor heat exchanger, it is characterized in that, described air-conditioning also comprises as claim 1 or 2 or 4 described low pressure oil storages and quickens coolant circulating device, described low pressure oil storage is connected with described gas-liquid separator with acceleration coolant circulating device inlet pipe, and described low pressure oil storage goes out pipe with the acceleration coolant circulating device and is connected the circulation of acceleration refrigerant with described compressor.
6. air-conditioning as claimed in claim 5, it is characterized in that, the bottom of described shell also is provided with the low pressure oil storage and quickens the coolant circulating device feed tube, described low pressure oil storage is connected with the gas-liquid separator discharging tube with acceleration coolant circulating device feed tube, described low pressure oil storage and acceleration coolant circulating device feed tube are connected with liquid inlet electromagnetic valve, control described low pressure oil storage and quicken the break-make of coolant circulating device feed tube and described gas-liquid separator discharging tube by described liquid inlet electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206843357U CN201926222U (en) | 2010-12-28 | 2010-12-28 | Air conditioner and low-pressure oil storage and refrigerant circulation accelerating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206843357U CN201926222U (en) | 2010-12-28 | 2010-12-28 | Air conditioner and low-pressure oil storage and refrigerant circulation accelerating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926222U true CN201926222U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206843357U Expired - Lifetime CN201926222U (en) | 2010-12-28 | 2010-12-28 | Air conditioner and low-pressure oil storage and refrigerant circulation accelerating device thereof |
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| CN (1) | CN201926222U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721309A (en) * | 2012-07-18 | 2012-10-10 | 北京德能恒信科技有限公司 | Power heat pipe system |
| CN102767980A (en) * | 2012-07-26 | 2012-11-07 | 北京德能恒信科技有限公司 | Two-phase flow dynamic heat pipe system |
| CN102954633A (en) * | 2011-08-30 | 2013-03-06 | 郑州大学 | Air-conditioning liquid storage throttling economizer and air-conditioning equipment thereof |
| CN105805986A (en) * | 2016-04-27 | 2016-07-27 | 田幼华 | Heat pump system with auxiliary oil return |
| CN111435042A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔智能技术研发有限公司 | Compression type refrigerating system and refrigerating and freezing device |
| CN117870228A (en) * | 2024-03-11 | 2024-04-12 | 福建伊普思实业有限公司 | Vapor-liquid separator, oil return control system and oil return control method |
-
2010
- 2010-12-28 CN CN2010206843357U patent/CN201926222U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954633A (en) * | 2011-08-30 | 2013-03-06 | 郑州大学 | Air-conditioning liquid storage throttling economizer and air-conditioning equipment thereof |
| CN102954633B (en) * | 2011-08-30 | 2015-08-05 | 郑州大学 | Air-conditioning liquid storage throttling economizer and air-conditioning equipment thereof |
| CN102721309A (en) * | 2012-07-18 | 2012-10-10 | 北京德能恒信科技有限公司 | Power heat pipe system |
| CN102721309B (en) * | 2012-07-18 | 2016-06-01 | 北京德能恒信科技有限公司 | A kind of power heat pipe device |
| CN102767980A (en) * | 2012-07-26 | 2012-11-07 | 北京德能恒信科技有限公司 | Two-phase flow dynamic heat pipe system |
| CN105805986A (en) * | 2016-04-27 | 2016-07-27 | 田幼华 | Heat pump system with auxiliary oil return |
| CN111435042A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔智能技术研发有限公司 | Compression type refrigerating system and refrigerating and freezing device |
| CN111435042B (en) * | 2019-01-11 | 2021-09-24 | 青岛海尔智能技术研发有限公司 | Compression type refrigerating system and refrigerating and freezing device |
| CN117870228A (en) * | 2024-03-11 | 2024-04-12 | 福建伊普思实业有限公司 | Vapor-liquid separator, oil return control system and oil return control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |