CN105091393A - Air conditioner circulating system and air conditioner - Google Patents
Air conditioner circulating system and air conditioner Download PDFInfo
- Publication number
- CN105091393A CN105091393A CN201410208693.3A CN201410208693A CN105091393A CN 105091393 A CN105091393 A CN 105091393A CN 201410208693 A CN201410208693 A CN 201410208693A CN 105091393 A CN105091393 A CN 105091393A
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- CN
- China
- Prior art keywords
- heat exchanger
- air conditioner
- circulating system
- communicated
- conditioner circulating
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
Abstract
The embodiment of the invention provides an air conditioner circulating system and an air conditioner and relates to the technical field of air conditioners in order to improve the comfort level of the air conditioner. The air conditioner circulating system comprises a compressor, an indoor unit heat exchanger, an outdoor unit heat exchanger and a supercooling pipe. One end of the indoor unit heat exchanger is communicated with the compressor. The other end of the indoor unit heat exchanger is communicated with one port of the supercooling pipe though a pipeline provided with a first throttling device and a first check valve, wherein the first throttling device and the first check valve are connected in parallel. The other port of the supercooling pipe is communicated with one end of the outdoor unit heat exchanger through a pipeline provided with a second throttling device. The other end of the outdoor unit heat exchanger is communicated with the compressor. The air conditioner circulating system is used for the air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of air conditioner circulating system and air-conditioner.
Background technology
The refrigeration of existing air-conditioner and heat-production functions are normally realized by the circulation of refrigerant in air conditioner circulating system.Existing air conditioner circulating system as shown in Figure 1, generally includes compressor 100, indoor set heat exchanger 200, outdoor unit heat exchanger 300, supercooling tube 400, heats capillary 500 and the refrigerating capillary 700 be arranged in parallel and check valve 600 etc.
Existing air conditioner circulating system, heating circulation time, refrigerating capillary 700, heat capillary 500 and check valve 600 all at supercooling tube 400 homonymy, refrigerant needed by heating capillary 500 and refrigerating capillary 700 before entering supercooling tube 400, cause the refrigerant pressure entering supercooling tube 400 lower, because refrigerant is when pressure is lower, its evaporating temperature (saturation temperature) is also lower, when the refrigerant that temperature is lower passes through supercooling tube 400, the steam of surrounding can be made to condense on supercooling tube 400, finally cause frosting.Because supercooling tube 400 is usually located at the bottom of outdoor unit heat exchanger 300, the bottom of outdoor unit heat exchanger 300 is made easily frosting to occur, after a defrosting cycle carries out defrost, easy water bottom outdoor heat exchanger, heat in circulation at the next one, easily freeze from exchanger base, go round and begin again, icing area bottom whole outdoor unit heat exchanger 300 can increase gradually, cause the cycle heating circulation shorter and shorter, defrosting is frequent, makes heating effect worse and worse, thus finally affects the comfort level of user's using air-condition device.
Summary of the invention
Embodiments of the invention provide a kind of air conditioner circulating system and air-conditioner, can improve the comfort level of air-conditioner.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of air conditioner circulating system, comprise compressor, indoor set heat exchanger, outdoor unit heat exchanger and supercooling tube, one end of described indoor set heat exchanger is communicated with described compressor, the other end is communicated with the Single port of described supercooling tube with the pipeline of the first check valve by being provided with first throttle device in parallel, the another port of described supercooling tube is communicated with one end of described outdoor unit heat exchanger by the pipeline being provided with the second throttling arrangement, and the other end of described outdoor unit heat exchanger is communicated with described compressor.
Further, also comprise the second check valve, described second check valve and described second throttling arrangement are arranged in parallel.
Further, described first throttle device and the second throttling arrangement are capillary.
Particularly, described first throttle device is refrigerating capillary.
Particularly, described second throttling arrangement is for heating capillary.
Further, also comprise cross valve, the first stop valve and the second stop valve, also comprise cross valve, the first stop valve and the second stop valve, described compressor is communicated with the other end of outdoor unit heat exchanger with one end of described indoor set heat exchanger respectively by the pipeline being provided with described cross valve, described first stop valve is arranged on the pipeline of described indoor set heat exchanger and compressor chamber, and described second stop valve is arranged on the pipeline between described indoor set heat exchanger and first throttle device.
The embodiment of the present invention also provides a kind of air-conditioner, comprises air conditioner circulating system, and described air conditioner circulating system is the air conditioner circulating system described in above-mentioned arbitrary technical scheme.
The air conditioner circulating system that the embodiment of the present invention provides and air-conditioner, by arranging first throttle device in parallel and the first check valve on the pipeline being communicated with described supercooling tube Single port, the pipeline being communicated with described supercooling tube another port arranges the second throttling arrangement.Make heating circulation time, the high temperature refrigerant of returning from described indoor set heat exchanger condensation directly enters described supercooling tube by described first check valve, high temperature refrigerant in described supercooling tube by the easiest frosting, ice knot described outdoor unit heat exchanger bottom heat after, then through described second throttling arrangement throttling laggard enter outdoor heat exchanger.Due to the throttling of refrigerant not by first throttle device before entering described supercooling tube, the pressure and temperature of the refrigerant entering described supercooling tube can be ensured, improve bottom the outdoor unit heat exchanger that causes because of the hypotony of refrigerant and occur frosting, icing conditions, and improve the effect of defrosting bottom to outdoor unit heat exchanger, ice-melt, improve the heating effect of air-conditioner.Thus, improve the comfort level of air-conditioner.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of air conditioner circulating system in prior art;
Fig. 2 is the schematic diagram of a kind of air conditioner circulating system of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
With reference to Fig. 2, a specific embodiment of a kind of air conditioner circulating system that Fig. 2 provides for the embodiment of the present invention, air conditioner circulating system described in the present embodiment, comprise compressor 1, indoor set heat exchanger 2, outdoor unit heat exchanger 3 and supercooling tube 4, supercooling tube 4 is located at the bottom of outdoor unit heat exchanger 3, one end of indoor set heat exchanger 2 is communicated with compressor 1, the other end is communicated with the Single port of supercooling tube 4 with the pipeline of the first check valve 6 by being provided with first throttle device 5 in parallel, the another port of supercooling tube 4 is communicated with one end of outdoor unit heat exchanger 3 by the pipeline being provided with the second throttling arrangement 7, the other end of outdoor unit heat exchanger 3 is communicated with compressor 1.
The air conditioner circulating system that the embodiment of the present invention provides and air-conditioner, by arranging first throttle device 5 in parallel and the first check valve 6 on the pipeline being communicated with supercooling tube 4 one ports, the pipeline being communicated with supercooling tube 4 another port arranges the second throttling arrangement 7.Make heating circulation time, the high temperature refrigerant that machine heat exchanger 2 condensation is returned indoor directly enters supercooling tube 4 by the first check valve 6, high temperature refrigerant in supercooling tube 4 by the easiest frosting, ice knot outdoor unit heat exchanger 3 bottom heat after, then through the second throttling arrangement 7 throttling laggard enter outdoor unit heat exchanger 3.Due to the impact of high temperature refrigerant not by first throttle device 5 before entering supercooling tube 4, throttling is carried out by the second throttling arrangement 7 after supercooling tube 4 flows out, refrigerant can be avoided by throttling arrangement throttling, pressure to be reduced before entering supercooling tube 4, prevent because refrigerant pressure reduces and the evaporating temperature of refrigerant is reduced, thus the condensation of steam on supercooling tube 4 in minimizing air, improve bottom outdoor unit heat exchanger 3 and occur frosting, icing conditions, and the defrosting that improve bottom to outdoor unit heat exchanger 3, the effect of ice-melt, thus improve the heating capacity of air-conditioner.Thus, improve the comfort level of air-conditioner.
Because air conditioner circulating system is when heating circulation and kind of refrigeration cycle, the flow direction of refrigerant is contrary, therefore, in order to avoid when kind of refrigeration cycle, refrigerant is caused refrigerant hypotony what enter supercooling tube 4 by the second throttling arrangement 7 throttling, affect refrigeration, therefore described air conditioner circulating system also comprises the second check valve 8, second check valve 8 and the second throttling arrangement 7 is arranged in parallel.Make when kind of refrigeration cycle, after refrigerant machine heat exchanger 3 outflow outdoor, can be passed through the second check valve 8 directly enter supercooling tube 4 and require no the second throttling arrangement 7, after refrigerant flows out from supercooling tube 4, throttling is carried out by first throttle device 5, thus avoid the second throttling arrangement 7 when kind of refrigeration cycle to the impact of refrigerant, improve refrigeration.Further increase the comfort level of air-conditioner thus.
First throttle device 5 and the optional electric expansion valve of the second throttling arrangement 7 or capillary, described electric expansion valve and described capillary all can carry out throttling to refrigerant, but because the structure of capillary is simple, and cost is lower, and the structure of electric expansion valve is comparatively complicated and cost is higher, therefore, first throttle device 5 and the second throttling arrangement 7 all refin tubules.
Because described air conditioner circulating system is when heating circulation and kind of refrigeration cycle, the pressure of refrigerant is different, and described air conditioner circulating system is heating circulation time, only carrying out throttling, when kind of refrigeration cycle by the second throttling arrangement 7, only carry out throttling by first throttle device 5, heating in circulation and kind of refrigeration cycle, requiring different to the throttling of refrigerant, therefore, in order to improve refrigeration and heating effect further, first throttle device 5 is refrigerating capillary preferably; Second throttling arrangement 7 preferably heats capillary.Thus, refrigeration and heating effect can be improved respectively, thus improve the comfort level of air-conditioner further.
Described air conditioner circulating system also comprises cross valve 9, first stop valve 10 and the second stop valve 11, compressor 1 is communicated with the other end of outdoor unit heat exchanger 3 with one end of indoor set heat exchanger 2 respectively by the pipeline being provided with cross valve 9, by the flow direction by controlling refrigerant in cross valve 9 adjustable pipeline, described air conditioner circulating system is changed heating between circulation and kind of refrigeration cycle; First stop valve 10 is arranged on the pipeline between indoor set heat exchanger 11 and compressor 1, for controlling being communicated with and closedown between indoor set heat exchanger 2 with compressor 1, second stop valve 11 is arranged on the pipeline between outdoor unit heat exchanger 3 and first throttle device 5, for controlling being communicated with and closedown between outdoor unit heat exchanger 3 with first throttle device 5.
The course of work of the air conditioner circulating system described in the embodiment of the present invention is as follows:
Kind of refrigeration cycle: refrigerant is discharged from compressor 1, enter to carry out condensation in outdoor unit heat exchanger 3 through cross valve 9 is laggard, supercooling tube 4 is entered through the second check valve 8 after condensation, carried out cold to refrigerant, then first throttle device 5 (refrigerating capillary) is entered, entering indoor set heat exchanger 2 through the second stop valve 11 after throttling, successively by getting back to compressor 1 after the first stop valve 10, cross valve 9 after refrigerant evaporates in indoor set heat exchanger 2, completing kind of refrigeration cycle.
Heat circulation: refrigerant is discharged from compressor 1, after cross valve 9, flow to the first stop valve 10, then enter indoor set heat exchanger 2, after condensation, through the second stop valve 11, again by after the first check valve 6, enter supercooling tube 4, after refrigerant heats supercooling tube 4, enter the second throttling arrangement 7 (heating capillary), and then enter outdoor unit heat exchanger 3 and evaporate, get back to compressor 1 through cross valve 9 again after evaporation, complete and heat circulation.
A kind of air-conditioner of the embodiment of the present invention, comprise air conditioner circulating system, described air conditioner circulating system is the air conditioner circulating system described in above-mentioned arbitrary technical scheme.Due to the air conditioner circulating system that uses in the air-conditioner described in the present embodiment and above-mentioned air conditioner circulating system each embodiment described in air conditioner circulating system identical, therefore, therefore the two can solve identical technical problem, and reaches identical Expected Results.
Other formations about the air-conditioner described in the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this.
In the description of this description, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (7)
1. an air conditioner circulating system, comprise compressor, indoor set heat exchanger, outdoor unit heat exchanger and supercooling tube, it is characterized in that, one end of described indoor set heat exchanger is communicated with described compressor, the other end is communicated with the Single port of described supercooling tube with the pipeline of the first check valve by being provided with first throttle device in parallel, the another port of described supercooling tube is communicated with one end of described outdoor unit heat exchanger by the pipeline being provided with the second throttling arrangement, and the other end of described outdoor unit heat exchanger is communicated with described compressor.
2. air conditioner circulating system according to claim 1, is characterized in that, also comprises the second check valve, and described second check valve and described second throttling arrangement are arranged in parallel.
3. air conditioner circulating system according to claim 2, is characterized in that, described first throttle device and the second throttling arrangement are capillary.
4. air conditioner circulating system according to claim 3, is characterized in that, described first throttle device is refrigerating capillary.
5. air conditioner circulating system according to claim 3, is characterized in that, described second capillary is for heating capillary.
6. air conditioner circulating system according to claim 1, it is characterized in that, also comprise cross valve, the first stop valve and the second stop valve, described compressor is communicated with the other end of outdoor unit heat exchanger with one end of described indoor set heat exchanger respectively by the pipeline being provided with described cross valve, described first stop valve is arranged on the pipeline of described indoor set heat exchanger and compressor chamber, and described second stop valve is arranged on the pipeline between described indoor set heat exchanger and first throttle device.
7. an air-conditioner, comprises air conditioner circulating system, it is characterized in that, described air conditioner circulating system is the air conditioner circulating system described in any one of claim 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208693.3A CN105091393A (en) | 2014-05-16 | 2014-05-16 | Air conditioner circulating system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208693.3A CN105091393A (en) | 2014-05-16 | 2014-05-16 | Air conditioner circulating system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
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| CN105091393A true CN105091393A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208693.3A Pending CN105091393A (en) | 2014-05-16 | 2014-05-16 | Air conditioner circulating system and air conditioner |
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| CN (1) | CN105091393A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871485A (en) * | 2017-04-13 | 2017-06-20 | 青岛海信日立空调系统有限公司 | A kind of heat pump and its control method |
| CN107084562A (en) * | 2017-04-13 | 2017-08-22 | 青岛海尔空调器有限总公司 | A kind of control method of air conditioner and air conditioner |
| CN107101414A (en) * | 2017-06-19 | 2017-08-29 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system device and its window machine applied |
| CN107560220A (en) * | 2017-10-19 | 2018-01-09 | 无锡同方人工环境有限公司 | Using ice protection system outside the Passive House air conditioning chamber of check valve |
| CN107575954A (en) * | 2017-10-19 | 2018-01-12 | 无锡同方人工环境有限公司 | Ice protection system outside the Passive House air conditioning chamber relatively low for circumstance temperature |
| CN110094806A (en) * | 2019-05-24 | 2019-08-06 | 珠海格力电器股份有限公司 | The pipeline vibration absorption device and air conditioner of damping are realized using reducing pressure by regulating flow |
| CN110762642A (en) * | 2019-10-09 | 2020-02-07 | 青岛海尔空调电子有限公司 | Outdoor heat exchanger, air conditioning system and control method thereof |
| CN110926051A (en) * | 2019-11-21 | 2020-03-27 | 广东美的暖通设备有限公司 | Outdoor heat exchanger assembly, air conditioning system and defrosting method thereof |
| CN110940110A (en) * | 2019-10-30 | 2020-03-31 | 格力电器（郑州）有限公司 | Heating machine system and control method thereof |
| CN112856717A (en) * | 2019-11-28 | 2021-05-28 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and storage medium |
| CN114992719A (en) * | 2022-05-16 | 2022-09-02 | 珠海格力电器股份有限公司 | Outdoor heat exchange assembly, outdoor unit, air conditioning system and control method |
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| JPS6438563A (en) * | 1987-07-31 | 1989-02-08 | Toshiba Corp | Heat accumulation type heat pump device |
| CN102589184A (en) * | 2012-03-30 | 2012-07-18 | 上海凯菱家电扬州有限公司 | Air conditioning system used in low-temperature environment |
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- 2014-05-16 CN CN201410208693.3A patent/CN105091393A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6438563A (en) * | 1987-07-31 | 1989-02-08 | Toshiba Corp | Heat accumulation type heat pump device |
| CN102589184A (en) * | 2012-03-30 | 2012-07-18 | 上海凯菱家电扬州有限公司 | Air conditioning system used in low-temperature environment |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871485A (en) * | 2017-04-13 | 2017-06-20 | 青岛海信日立空调系统有限公司 | A kind of heat pump and its control method |
| CN107084562A (en) * | 2017-04-13 | 2017-08-22 | 青岛海尔空调器有限总公司 | A kind of control method of air conditioner and air conditioner |
| CN106871485B (en) * | 2017-04-13 | 2019-08-27 | 青岛海信日立空调系统有限公司 | A kind of heat pump system and its control method |
| CN107101414A (en) * | 2017-06-19 | 2017-08-29 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system device and its window machine applied |
| CN107560220A (en) * | 2017-10-19 | 2018-01-09 | 无锡同方人工环境有限公司 | Using ice protection system outside the Passive House air conditioning chamber of check valve |
| CN107575954A (en) * | 2017-10-19 | 2018-01-12 | 无锡同方人工环境有限公司 | Ice protection system outside the Passive House air conditioning chamber relatively low for circumstance temperature |
| CN110094806A (en) * | 2019-05-24 | 2019-08-06 | 珠海格力电器股份有限公司 | The pipeline vibration absorption device and air conditioner of damping are realized using reducing pressure by regulating flow |
| CN110762642A (en) * | 2019-10-09 | 2020-02-07 | 青岛海尔空调电子有限公司 | Outdoor heat exchanger, air conditioning system and control method thereof |
| CN110940110A (en) * | 2019-10-30 | 2020-03-31 | 格力电器（郑州）有限公司 | Heating machine system and control method thereof |
| CN110926051A (en) * | 2019-11-21 | 2020-03-27 | 广东美的暖通设备有限公司 | Outdoor heat exchanger assembly, air conditioning system and defrosting method thereof |
| CN112856717A (en) * | 2019-11-28 | 2021-05-28 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and storage medium |
| CN114992719A (en) * | 2022-05-16 | 2022-09-02 | 珠海格力电器股份有限公司 | Outdoor heat exchange assembly, outdoor unit, air conditioning system and control method |
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Application publication date: 20151125 |