CN107062463A - Solar ejector refrigeration auxiliary air conditioner unit and control method - Google Patents
Solar ejector refrigeration auxiliary air conditioner unit and control method Download PDFInfo
- Publication number
- CN107062463A CN107062463A CN201710005770.9A CN201710005770A CN107062463A CN 107062463 A CN107062463 A CN 107062463A CN 201710005770 A CN201710005770 A CN 201710005770A CN 107062463 A CN107062463 A CN 107062463A
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- CN
- China
- Prior art keywords
- heat exchanger
- outlet
- entrance
- solar
- injector
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
-
- 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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention discloses a kind of solar ejector refrigeration auxiliary air conditioner unit and control method, and the unit includes the main frame circulatory system and solar energy auxiliary circulation system；Supplementary heat exchanger (5) is provided between the first throttle valve (3) and outdoor heat exchanger (4) of the main frame circulatory system；Circulating pump (6) outlet is connected with solar thermal collector (7) entrance, solar thermal collector (7) outlet is connected with injector (9) entrance, injector (9) outlet is connected with Intermediate Heat Exchanger (10) entrance, Intermediate Heat Exchanger (10) outlet is connected with circulating pump (6) entrance, Intermediate Heat Exchanger (10) outlet is also connected with second throttle (8) entrance, second throttle (8) outlet is connected with supplementary heat exchanger (5) entrance, and supplementary heat exchanger (5) outlet is connected with injector (9) entrance；This method key is the low wind shelves operation of blower fan of outdoor heat exchanger (4) when outdoor environment temperature is more than critical value.The unit and method can reduce energy consumption for cooling.
Description
Technical field
It is especially a kind of solar ejector refrigeration auxiliary air conditioner unit and control method the present invention relates to field of air conditioning.
Background technology
Energy-conservation is always the important goal and R＆D direction of air conditioner industry, and the air-conditioning of drive energy is used as by the use of solar energy
Operating cost can be greatly lowered, so solar airconditioning always is the research and development focus in air conditioner industry.However, current
Three problems of solar airconditioning generally existing, one is to use solar energy completely, then needs to set the solar energy collecting dress of large area
Put, collection device cost is high, floor space is big；Two be heat pump performance by illumination conditionality, see that day is had a meal；Three be if it is desired to real
Existing reliable and stable operation, then must set up energy storage device, can further make complex system, further increase cost.
So, current solar airconditioning is often feasible in technical principle aspect, in actual promotion and application side
Face exists above-mentioned the problem of be difficult to overcome, it is difficult to obtain the accreditation in market, solar airconditioning has concept without market more like amusement.
And the heat pump air conditioner technology of electrically-driven compressors formula most conventional in field of air conditioning at present, be most ripe, technology most
Perfect, most widely used technology.Generally existing utilization rate of electrical is low, energy consumption for cooling is high again for above-mentioned electric driven compression formula air-conditioning,
Not enough save.
The content of the invention
The invention solves the problems that a technical problem be to provide one kind can improve utilization rate of electrical, reduction energy consumption for cooling, height
Imitate the solar ejector refrigeration auxiliary air conditioner unit of energy-conservation.
It is empty that a kind of technical solution of the present invention is to provide a kind of solar ejector refrigeration auxiliary with following structure
Unit is adjusted, it includes the main frame cyclic system being in turn connected into by compressor, indoor heat exchanger, first throttle valve and outdoor heat exchanger
System,
A supplementary heat exchanger is additionally provided between first throttle valve and outdoor heat exchanger；
The unit also includes what is be made up of circulating pump, solar thermal collector, injector, Intermediate Heat Exchanger and second throttle
Solar energy auxiliary circulation system；
Circulating-pump outlet is connected with solar thermal collector entrance, and solar thermal collector outlet is connected with injector entrance, is sprayed
Emitter outlet is connected with Intermediate Heat Exchanger entrance, and Intermediate Heat Exchanger outlet is connected with pump entry, and Intermediate Heat Exchanger outlet is also
Connected with second throttle entrance, second throttle outlet is connected with supplementary heat exchanger entrance, supplementary heat exchanger outlet and injection
Device entrance is connected.
The invention solves the problems that a technical problem be to provide one kind can improve utilization rate of electrical, reduction energy consumption for cooling, height
Imitate the control method of the solar ejector refrigeration auxiliary air conditioner unit of energy-conservation.
A kind of technical solution of the present invention is to provide a kind of controlling party of solar ejector refrigeration auxiliary air conditioner unit
Method, its step includes：
Start the compressor of the main frame circulatory system and the circulating pump of solar energy auxiliary circulation system；When outdoor environment temperature is big
When critical value, the low wind shelves operation of blower fan of outdoor heat exchanger；When outdoor environment temperature is no more than critical value, outdoor heat exchanger
Blower fan with normal wind shelves run.
Solar ejector refrigeration auxiliary air conditioner unit of the present invention and control method and existing skill are analyzed with reference to operation principle
Advantage and progress that art is compared.
The main frame circulatory system is circulated according to the route of compressor, outdoor heat exchanger, supplementary heat exchanger, indoor heat exchanger；And
In solar energy auxiliary circulation system, refrigerant, which is circulated, which is pumped into solar thermal collector, receive solar radiation is converted into high temperature height
Steam is pressed, into injector, by the La Geer nozzles formation high velocity air of injector, the refrigerant in supplementary heat exchanger is aspirated
Into injector, while maintaining the vacuum and low temperature in supplementary heat exchanger, cold is generated；Injector will be respectively from solar energy
After two strands of refrigerants mixing that heat collector and supplementary heat exchanger enter, exothermic condensation in Intermediate Heat Exchanger is entered with high pressure, from centre
A refrigerant part for heat exchanger discharge comes back to circulating pump, and another part enters in supplementary heat exchanger through second throttle to absorb heat
Evaporation, released cold quantity.And the cold of supplementary heat exchanger release, and absorbed by the main frame circulatory system, that is to say, that supplementary heat exchanger
Play a part of condensing in the main frame circulatory system or be subcooled, the refrigerant in the main frame circulatory system after outdoor heat exchanger heat release again
In supplementary heat exchanger heat release again, this just considerably reduces the high-pressure and condensation temperature of main frame refrigeration system, makes main frame
Compressor operating improves utilization rate of electrical in low pressure area, while having shared the part of compressor assembly using solar energy
Live load, so as to considerably reduce the energy consumption for cooling of air-conditioning, system energy consumption is reduced compared with Ordinary Compression air conditioner
30 ﹪, realize energy-conservation.Moreover, above-mentioned unit is not to fully rely on solar energy, so the collection device of large area need not be set,
Cost and floor space effectively are controlled, while without energy storage device is set, the cost of energy storage section will not be increased, sunlight is not
Also compressor cooling can be just often relyed on when good, without seeing that day is had a meal.Moreover, above-mentioned control method outdoor environment temperature compared with
When high, solar thermal collection system effect is preferable, ejector refrigeration effect is naturally also more preferable, therefore can reduce and outdoor heat exchanger is exchanged heat
Dependence, outdoor fan low wind shelves are run, the energy consumption of outdoor heat exchanger blower fan part is further saved.
Brief description of the drawings
Fig. 1 is the system principle schematic diagram of solar ejector refrigeration auxiliary air conditioner unit of the present invention.
1, compressor shown in figure, 2, indoor heat exchanger, 3, first throttle valve, 4, outdoor heat exchanger, 5, supplementary heat exchanger,
6th, circulating pump, 7, solar thermal collector, 8, second throttle, 9, injector, 10, Intermediate Heat Exchanger.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, solar ejector refrigeration auxiliary air conditioner unit of the present invention, it is included by compressor 1, indoor heat exchanger
2nd, the main frame circulatory system that first throttle valve 3 and outdoor heat exchanger 4 are in turn connected into.
A supplementary heat exchanger 5 is additionally provided between first throttle valve 3 and outdoor heat exchanger 4.
The unit also includes by circulating pump 6, solar thermal collector 7, injector 9, Intermediate Heat Exchanger 10 and second throttle 8
The solar energy auxiliary circulation system of composition.
The outlet of circulating pump 6 is connected with the entrance of solar thermal collector 7, and the outlet of solar thermal collector 7 connects with the entrance of injector 9
Logical, the outlet of injector 9 is connected with the entrance of Intermediate Heat Exchanger 10, and the outlet of Intermediate Heat Exchanger 10 is connected with the entrance of circulating pump 6, and centre is changed
Hot device 10 is exported also to be connected with the entrance of second throttle 8, and the outlet of second throttle 8 is connected with the entrance of supplementary heat exchanger 5, and auxiliary is changed
The hot outlet of device 5 is connected with the entrance of injector 9.
As shown in figure 1, the control method of solar ejector refrigeration auxiliary air conditioner unit of the present invention, its step includes：
Start the compressor 1 of the main frame circulatory system and the circulating pump 6 of solar energy auxiliary circulation system；Work as outdoor environment temperature
During more than such as 30 DEG C of critical value, the low wind shelves operation of blower fan of outdoor heat exchanger 4；When outdoor environment temperature is no more than critical value,
The blower fan of outdoor heat exchanger 4 is run with normal wind shelves.
Claims (2)
1. a kind of solar ejector refrigeration auxiliary air conditioner unit, it is included by compressor (1), indoor heat exchanger (2), first throttle
The main frame circulatory system that valve (3) and outdoor heat exchanger (4) are in turn connected into, it is characterised in that：
A supplementary heat exchanger (5) is additionally provided between first throttle valve (3) and outdoor heat exchanger (4)；
The unit also includes by circulating pump (6), solar thermal collector (7), injector (9), Intermediate Heat Exchanger (10) and second section
Flow the solar energy auxiliary circulation system that valve (8) is constituted；
Circulating pump (6) outlet is connected with solar thermal collector (7) entrance, solar thermal collector (7) outlet and injector (9) entrance
Connection, injector (9) outlet is connected with Intermediate Heat Exchanger (10) entrance, Intermediate Heat Exchanger (10) outlet and circulating pump (6) entrance
Connection, Intermediate Heat Exchanger (10) outlet is also connected with second throttle (8) entrance, second throttle (8) outlet and auxiliary heat-exchanging
Device (5) entrance is connected, and supplementary heat exchanger (5) outlet is connected with injector (9) entrance.
2. a kind of control method of solar ejector refrigeration auxiliary air conditioner unit, it is characterised in that：Its step includes：
Start the compressor (1) of the main frame circulatory system and the circulating pump (6) of solar energy auxiliary circulation system；Work as outdoor environment temperature
During more than critical value, the low wind shelves operation of blower fan of outdoor heat exchanger (4)；It is outdoor when outdoor environment temperature is no more than critical value
The blower fan of heat exchanger (4) is run with normal wind shelves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005770.9A CN107062463A (en) | 2017-01-05 | 2017-01-05 | Solar ejector refrigeration auxiliary air conditioner unit and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005770.9A CN107062463A (en) | 2017-01-05 | 2017-01-05 | Solar ejector refrigeration auxiliary air conditioner unit and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107062463A true CN107062463A (en) | 2017-08-18 |
Family
ID=59623527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710005770.9A Pending CN107062463A (en) | 2017-01-05 | 2017-01-05 | Solar ejector refrigeration auxiliary air conditioner unit and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062463A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360639A (en) * | 2019-06-11 | 2019-10-22 | 太原理工大学 | Direct-expansion type solar energy injection couples heating and cooling device with compression |
| CN113883738A (en) * | 2021-09-29 | 2022-01-04 | 浙江工业大学 | Novel solar energy sprays-compression refrigerating system |
| CN114322348A (en) * | 2022-01-10 | 2022-04-12 | 嵊州市浙江工业大学创新研究院 | Phase-change material cold storage coupled jet refrigeration system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2009369A1 (en) * | 2006-04-11 | 2008-12-31 | Gree Electric Appliances, Inc. Of Zhuhai | A heat pump air condition system, and the steam jet system and the control method thereof |
| CN102635972A (en) * | 2012-04-13 | 2012-08-15 | 太原理工大学 | Cold-storing type solar-energy spraying and compression coupling refrigerating device |
| CN103644675A (en) * | 2013-11-12 | 2014-03-19 | 山东科技大学 | Solar energy direct expansion type jet refrigerating machine |
| CN206347681U (en) * | 2017-01-05 | 2017-07-21 | 宁波奥克斯电气股份有限公司 | Solar ejector refrigeration auxiliary air conditioner unit |
-
2017
- 2017-01-05 CN CN201710005770.9A patent/CN107062463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2009369A1 (en) * | 2006-04-11 | 2008-12-31 | Gree Electric Appliances, Inc. Of Zhuhai | A heat pump air condition system, and the steam jet system and the control method thereof |
| CN102635972A (en) * | 2012-04-13 | 2012-08-15 | 太原理工大学 | Cold-storing type solar-energy spraying and compression coupling refrigerating device |
| CN103644675A (en) * | 2013-11-12 | 2014-03-19 | 山东科技大学 | Solar energy direct expansion type jet refrigerating machine |
| CN206347681U (en) * | 2017-01-05 | 2017-07-21 | 宁波奥克斯电气股份有限公司 | Solar ejector refrigeration auxiliary air conditioner unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360639A (en) * | 2019-06-11 | 2019-10-22 | 太原理工大学 | Direct-expansion type solar energy injection couples heating and cooling device with compression |
| CN110360639B (en) * | 2019-06-11 | 2020-11-13 | 太原理工大学 | Direct expansion type solar energy injection and compression coupling heat and cold supply device |
| CN113883738A (en) * | 2021-09-29 | 2022-01-04 | 浙江工业大学 | Novel solar energy sprays-compression refrigerating system |
| CN114322348A (en) * | 2022-01-10 | 2022-04-12 | 嵊州市浙江工业大学创新研究院 | Phase-change material cold storage coupled jet refrigeration system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |