CN104344479A - Cold accumulation type energy-saving air conditioning system and operation method thereof - Google Patents
Cold accumulation type energy-saving air conditioning system and operation method thereof Download PDFInfo
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- CN104344479A CN104344479A CN201310311010.2A CN201310311010A CN104344479A CN 104344479 A CN104344479 A CN 104344479A CN 201310311010 A CN201310311010 A CN 201310311010A CN 104344479 A CN104344479 A CN 104344479A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009825 accumulation Methods 0.000 title abstract description 13
- 238000005057 refrigeration Methods 0.000 claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims abstract description 30
- 238000004781 supercooling Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 13
- 239000002826 coolant Substances 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011555 saturated liquid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention relates to a cold accumulation type energy-saving air conditioning system and an operation method thereof. The cold accumulation type energy-saving air conditioning system comprises a refrigerating circuit formed by serially connecting a compressor, a condenser, a refrigeration throttling element, and an evaporator through pipes, a cold accumulation box is arranged on a pipe between the condenser and the refrigeration throttling element, a cold accumulation medium and an overcooling heat exchanger are arranged in the cold accumulation box, the overcooling heat exchanger is serially connected with the refrigerating circuit, and the air conditioning system further comprises a cold accumulation circuit for providing the cold accumulation medium with cooling capacity. According to the cold accumulation type energy-saving air conditioning system and the operation method thereof, a control manner is simple and reliable, the cold accumulation box is arranged between the condenser and the refrigeration throttling element, the cold capacity is circularly stored through cold accumulation, and an overcooling degree is provided for circulation of the whole system, so that an energy efficiency ratio is increased; meanwhile, the overcooling degree is not required to be obtained by bypassing partial refrigerants, so that an air suction volume of the compressor is saved, an effective air delivery capacity of the compressor is increased, and the higher energy efficiency ratio is guaranteed.
Description
Technical field
The present invention relates to a kind of air-conditioning system, particularly the cold storage energy-saving air conditioning system of one and operation method thereof, belong to air-conditioning technique field.
Background technology
Along with the fast development of economy, supply of electric power deficiency has become one and has compared distinct issues, and in the energy consumption of entirety, air conditioning energy consumption occupies a larger part, how to reduce air conditioning energy consumption, the present power shortages of solution is had to the meaning of outbalance.
The energy consumption of air-conditioning has obvious timeliness, and as environment temperature at noon in summer raises, now air-conditioning high loaded process, Energy Efficiency Ratio reduces, and energy consumption increases obviously, and at night, because environment temperature reduces, air conditioner load reduces, and energy consumption obviously reduces.Therefore, reasonably optimizing the power consumption of air-conditioning, is the most effective means reducing integral air conditioner energy consumption.At present, generally adopt the mode of cold-storage to be optimized, namely carry out cold-storage when night, power consumption was lower, let cool during peak of power consumption by day.This method, agent for storage of coldness needs to be circulated to air conditioning terminal for room provides cold, need to increase power set, the cost such as pump and corollary equipment is higher, in addition, from energy transferring angle analysis, cold needs to pass to agent for storage of coldness by cold-producing medium, agent for storage of coldness passes to space air again, increases relative to cold-producing medium direct-evaporation-type circulation irreversible loss.
The method of existing air conditioner cold accumulation, by being divided into two by from condenser saturated liquid out, wherein one after expansion valve reducing pressure by regulating flow, heat exchange is carried out with another branch road refrigerant through a heat exchanger, realized cold, thus make up the deficiency of refrigerating capacity, but the shortcoming of this method is, carry out the rear branch road refrigerant of heat exchange cooling owing to giving main branch road refrigerant for the bypass branch refrigerant of throttling in advance and become gas from liquid, this portion gas occupies the aspirated volume of press, and compressor actual power loss is increased.
Summary of the invention
Main purpose of the present invention is to solve the problem and deficiency, provides a kind of control mode simple, significantly can promote cold storage energy-saving air conditioning system and the operation method thereof of air-conditioning Energy Efficiency Ratio.
For achieving the above object, technical scheme of the present invention is:
A kind of cold storage energy-saving air conditioning system, comprise refrigerating circuit, described refrigerating circuit consists of placed in series compressor, condenser, refrigeration restricting element and evaporimeter, pipeline between described condenser and refrigeration restricting element arranges a cold-accumulating box, in described cold-accumulating box, be provided with cool storage medium and cross cool-heat-exchanger, described cool-heat-exchanger of crossing is serially connected in described refrigerating circuit, and described air-conditioning system also comprises for described cool storage medium provides the cold-storage loop of cold.
Further, described cold-storage returns compressors, condenser, cold-storage restricting element, cold-storage heat exchanger consist of placed in series, and described cold-storage heat exchanger is arranged in described cold-accumulating box.
Further, described cool storage medium is hydrate.
Further, described cool storage medium is sal glauberi Na
2sO
410H
2o.
Further, described refrigeration restricting element and cold-storage restricting element are electric expansion valve.
Further, described cool-heat-exchanger and described cold-storage heat exchanger are excessively snakelike back-bending type pipeline.
Further, heat-insulation layer is laid at the wall of described cold-accumulating box.
Another technical scheme of the present invention is:
An operation method for cold storage energy-saving air conditioning system, comprising:
Charge cycle runs, and starts compressor, connects cold-storage loop, is entered the cold-storage heat exchanger in cold-accumulating box by condenser refrigerant out after the throttling of cold-storage restricting element, and low temperature refrigerant absorbs the heat of cool storage medium, makes cool storage medium cold-storage;
Kind of refrigeration cycle is run, and starts compressor, connects refrigerating circuit, close cold-storage loop, utilize the cool storage medium of cold-storage to absorb from condenser refrigerant heat out, refrigerant is lowered the temperature and obtains degree of supercooling, enter evaporimeter through the throttling of refrigeration restricting element again, complete kind of refrigeration cycle;
Further, in kind of refrigeration cycle running, when the cold storage capacity of described cool storage medium runs out of, connect refrigerating circuit and cold-storage loop, be that cool storage medium is lowered the temperature by cold-storage loop, cool storage medium is again for the refrigerant in refrigerating circuit provides degree of supercooling simultaneously.
Further, described charge cycle runs and preferably carries out when night, operating mode was lower.
To sum up content, the cold storage energy-saving air conditioning system of one of the present invention and operation method thereof, control mode is simple and reliable, by arranging cold-accumulating box between condenser and refrigeration restricting element, store cold by charge cycle, for complete machine circulation provides degree of supercooling, improve Energy Efficiency Ratio.Meanwhile, this system does not need by-passing part cold-producing medium to save the aspirated volume of press to obtain degree of supercooling, effective displacement of press is increased, thus ensure that higher Energy Efficiency Ratio.
Can some electrical power be consumed when carrying out cold-storage running, preferably can when night, operating mode be lower, it is higher, especially more applicable lower than the area of the electricity charge on daytime in the electricity charge at night to carry out the cold-storage now Energy Efficiency Ratio that operates.This system can carry out coordinated signals with machine system, safeguards without the need to personal management, simple and reliable.
Accompanying drawing explanation
Fig. 1 is charge cycle schematic diagram of the present invention;
Fig. 2 is kind of refrigeration cycle schematic diagram of the present invention;
Fig. 3 is the schematic diagram that kind of refrigeration cycle of the present invention and charge cycle carry out simultaneously;
Fig. 4 is the pressure enthalpy comparison diagram that the present invention adds before and after charge cycle.
As shown in Figures 1 to 4, compressor 1, condenser 2, crosses cool-heat-exchanger 3, refrigeration restricting element 4, evaporimeter 5, cold-storage restricting element 6, cold-storage heat exchanger 7, cold-accumulating box 8, cool storage medium 9.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1 to Figure 3, the cold storage energy-saving air conditioning system of one provided by the invention, comprises compressor 1, condenser 2, crosses cool-heat-exchanger 3, freeze restricting element 4, evaporimeter 5, cold-storage restricting element 6, cold-storage heat exchanger 7, cold-accumulating box 8.
Wherein, refrigerating circuit is formed by compressor 1, condenser 2, excessively cool-heat-exchanger 3, refrigeration restricting element 4, evaporimeter 5 by placed in series.
Cold-storage loop is formed by placed in series by compressor 1, condenser 2, cold-storage restricting element 6, cold-storage heat exchanger 7.
Refrigeration restricting element 4 and cold-storage restricting element 6 all adopt electric expansion valve, can control the break-make in refrigerating circuit and cold-storage loop, can also regulate the flow of refrigerant.
Cold-accumulating box 8 is arranged between condenser 2 and refrigeration restricting element 4, cold-accumulating box 8 comprises a housing, cool storage medium 9 is filled with in housing, cross cool-heat-exchanger 3 and cold-storage heat exchanger 7 is all arranged in the housing of cold-accumulating box 8, the import and export of crossing cool-heat-exchanger 3 and cold-storage heat exchanger 7 access in the pipeline in refrigerating circuit and cold-storage loop respectively.Cool storage medium 9, when carrying out the phase transformation between solid-liquid, can carry out heat exchange 7 with the refrigerant crossed in cool-heat-exchanger 3 and cold-storage heat exchanger 7, make refrigerant neither endothermic nor exothermic.
Cool storage medium 9 adopts hydrate, in the present embodiment, preferably adopts sal glauberi Na
2sO
410H
2o, this hydrate phase change temperature about 30 DEG C, condensator outlet refrigerant temperature about 40 DEG C, is equivalent to existence 10 DEG C of temperature difference, and simultaneously again higher than evaporator refrigerant temperature about 8 DEG C, heat transfer temperature difference is suitable.This hydrate has higher cold storage capacity simultaneously, and cost is low, and it is comparatively ripe to be widely used in cold-storage industry technology.Cool storage medium 9 can absorb at low temperatures and store a large amount of cold, and can release a large amount of cold when temperature is higher, long period maintenance self and low temperature environment interior among a small circle around.Also be laid with one layer of heat preservation layer at the wall of cold-accumulating box 8, avoid loss of refrigeration capacity.
Cross cool-heat-exchanger 3 and cold-storage heat exchanger 7 all adopts snakelike back-bending type pipeline, significantly can increase the contact area between cool storage medium 9 like this, thus raising heat exchange efficiency, cool-heat-exchanger 3 and cold-storage heat exchanger 7 all adopt the copper pipe that thermal conductivity factor is higher excessively.It is simple that this cold-accumulating box 8 has structure, the feature that stable type is high, simultaneously with low cost, can not adding users burden.
The operation method of this cold storage energy-saving air conditioning system is described below in detail according to Fig. 1 to Fig. 3:
The method comprises three kinds of operational modes:
As shown in Figure 1, charge cycle operational mode:
Start compressor 1, open cold-storage restricting element 6, close refrigeration restricting element 4, namely connect cold-storage loop, disconnect refrigerating circuit.
Refrigerant enters condenser 2 after being discharged by compressor 1, heat exchange is carried out with outdoor air in condenser 2, refrigerant is condensed into HTHP saturated liquid, by condenser 2 liquid coolant out through cold-storage restricting element 6 throttling, liquid coolant after reducing pressure by regulating flow enters the cold-storage heat exchanger 7 in cold-accumulating box 8, now cold-storage heat exchanger 7 is equivalent to the effect of evaporimeter, the liquid coolant of low temperature carries out heat exchange at cold-storage heat exchanger 7 and cool storage medium 9, absorb the heat of cool storage medium 9, cool storage medium 9 is undergone phase transition, solid is become from liquid, cool storage medium 9 stores cold.After refrigerant evaporates in cold-storage heat exchanger 7, gas coolant is back to compressor 1, completes charge cycle.
As shown in Figure 2, kind of refrigeration cycle operational mode:
Start compressor 1, close cold-storage restricting element 6, open refrigeration restricting element 4, namely connect refrigerating circuit, disconnect cold-storage loop.
Refrigerant enters condenser 2 after being discharged by compressor 1, heat exchange is carried out with outdoor air in condenser 2, refrigerant is condensed into HTHP saturated liquid, the cool-heat-exchanger 3 excessively in cold-accumulating box 8 is entered by condenser 2 liquid coolant out, heat exchange is carried out with cool storage medium 9 in mistake cool-heat-exchanger 3, because aforesaid charge cycle runs, now cool storage medium 9 is solid state, and stored a large amount of colds, the heat that cool storage medium 9 absorbs refrigerant undergoes phase transition, liquid is become from solid, after refrigerant and cool storage medium 9 heat exchange, temperature reduces, obtain degree of supercooling, the liquid coolant with certain degree of supercooling enters the throttling of refrigeration restricting element 4, liquid coolant after reducing pressure by regulating flow enters evaporimeter 5, refrigerant in evaporimeter 5 and room air carry out heat exchange, for indoor environment cooling, cold media gas after evaporation is back in compressor 1, complete kind of refrigeration cycle.
As shown in Figure 3, refrigeration and the pattern simultaneously run of cold-storage:
In kind of refrigeration cycle running, when the cold storage capacity of cool storage medium 9 runs out of, open cold-storage restricting element 6 and connect cold-storage loop.Two branch roads are divided into by condenser 2 liquid coolant out, one branch road is through cold-storage restricting element 6 throttling, liquid coolant after throttling enters the cold-storage heat exchanger 7 in cold-accumulating box 8, for cool storage medium 9 is lowered the temperature, simultaneously, cool storage medium 9 is that the liquid coolant 3 entering cool-heat-exchanger 3 in another branch road is lowered the temperature, and for the refrigerant participating in kind of refrigeration cycle provides degree of supercooling, cool storage medium 9 now plays a part to be equivalent to refrigerating medium.Cold-storage heat exchanger 7 and evaporimeter 5 gas coolant out are all back in compressor 1.
As shown in Figure 4, wherein left hand view is normal schematic diagram of refrigerating, in this pressure-enthalpy chart, process of refrigerastion is divided into 4 processes, is respectively 1 → 2,2 → 3,3 → 4,, 4 → 1, be respectively compressor work refrigerant increasing temperature and pressure, condenser condenses heat release, reducing pressure by regulating flow, evaporation endothermic, wherein unit interval coolant refrigeration amount is h1-h2.
As the right part of flg in Fig. 4, for adding the schematic diagram after charge cycle, in this pressure-enthalpy chart, point 5 processes, are respectively 1 → 2,2 → 3,3 → 3 ", 3 " → 4 ", 4 " → 1, be respectively compressor work, condenser condenses heat release, cold-storage loop provided cold, reducing pressure by regulating flow, and evaporator evaporation is absorbed heat.
Due to super cooled sect 3 → 3 " existence, reduce from condenser 2 saturated liquid temperature out, after restricting element reducing pressure by regulating flow, cold-producing medium enthalpy reduces h4-h4 ", evaporation endothermic amount increases, evaporation endothermic amount in unit interval increases to h3-h3 "=h4-h4 ", and compressor consumed power does not become, for h2-h1, the complete machine Energy Efficiency Ratio of general refrigerating cycle is E=(h1-h4)/(h2-h1), and to add the complete machine Energy Efficiency Ratio after charge cycle be E=(h1-h4 ")/(h2-h1), Energy Efficiency Ratio recruitment is △ E=(h4-h4 ")/(h2-h1).
Can some electrical power be consumed when carrying out cold-storage running, preferably can when night, operating mode be lower, carry out cold-storage running, now Energy Efficiency Ratio is higher, especially more applicable lower than the area of the electricity charge on daytime in the electricity charge at night.This cold accumulation system can carry out coordinated signals with machine system, without the need to special messenger's pipe, controls simple and reliable.
This system is due to the increase of degree of supercooling, and Energy Efficiency Ratio improves, when especially noon in summer, environment temperature was higher, air conditioner refrigeration load strengthens, and Energy Efficiency Ratio can decline, and refrigerating capacity reduces, the present invention makes degree of supercooling increase due to cool storage medium released cold quantity, thus refrigerating capacity increases, and Energy Efficiency Ratio promotes.Simultaneously again because not needing by-passing part cold-producing medium to save the aspirated volume of press to obtain degree of supercooling, effective displacement of press being increased, thus ensure that higher Energy Efficiency Ratio.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a cold storage energy-saving air conditioning system, comprise refrigerating circuit, described refrigerating circuit consists of placed in series compressor, condenser, refrigeration restricting element and evaporimeter, it is characterized in that: the pipeline between described condenser and refrigeration restricting element arranges a cold-accumulating box, in described cold-accumulating box, be provided with cool storage medium and cross cool-heat-exchanger, described cool-heat-exchanger of crossing is serially connected in described refrigerating circuit, and described air-conditioning system also comprises for described cool storage medium provides the cold-storage loop of cold.
2. cold storage energy-saving air conditioning system according to claim 1, it is characterized in that: described cold-storage returns compressors, condenser, cold-storage restricting element, cold-storage heat exchanger consist of placed in series, and described cold-storage heat exchanger is arranged in described cold-accumulating box.
3. cold storage energy-saving air conditioning system according to claim 1, is characterized in that: described cool storage medium is hydrate.
4. cold storage energy-saving air conditioning system according to claim 3, is characterized in that: described cool storage medium is sal glauberi Na
2sO
410H
2o.
5. cold storage energy-saving air conditioning system according to claim 2, is characterized in that: described refrigeration restricting element and cold-storage restricting element are electric expansion valve.
6. cold storage energy-saving air conditioning system according to claim 2, is characterized in that: described cool-heat-exchanger and described cold-storage heat exchanger are excessively snakelike back-bending type pipeline.
7. cold storage energy-saving air conditioning system according to claim 1, is characterized in that: lay heat-insulation layer at the wall of described cold-accumulating box.
8. an operation method for cold storage energy-saving air conditioning system, is characterized in that, comprising:
Charge cycle runs, and starts compressor, connects cold-storage loop, is entered the cold-storage heat exchanger in cold-accumulating box by condenser refrigerant out after the throttling of cold-storage restricting element, and low temperature refrigerant absorbs the heat of cool storage medium, makes cool storage medium cold-storage;
Kind of refrigeration cycle is run, and starts compressor, connects refrigerating circuit, close cold-storage loop, utilize the cool storage medium of cold-storage to absorb from condenser refrigerant heat out, refrigerant is lowered the temperature and obtains degree of supercooling, enter evaporimeter through the throttling of refrigeration restricting element again, complete kind of refrigeration cycle.
9. operation method according to claim 8, it is characterized in that: in kind of refrigeration cycle running, when the cold storage capacity of described cool storage medium runs out of, connect refrigerating circuit and cold-storage loop simultaneously, by cold-storage loop be cool storage medium lower the temperature, cool storage medium is again for the refrigerant in refrigerating circuit provides degree of supercooling.
10. operation method according to claim 8, is characterized in that: described charge cycle runs and preferably carries out when night, operating mode was lower.
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| CN201310311010.2A CN104344479B (en) | 2013-07-23 | 2013-07-23 | A kind of cold storage energy-saving air conditioning system and its operation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571198A (en) * | 2015-12-15 | 2016-05-11 | 同济大学 | Efficient refrigerating system based on cold accumulation and supercooling |
| CN107014017A (en) * | 2017-05-19 | 2017-08-04 | 深圳佩尔优科技有限公司 | Cold accumulation system and control method |
| CN109114850A (en) * | 2018-09-18 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of refrigeration system apparatus for supercooling |
| CN109107618A (en) * | 2018-09-21 | 2019-01-01 | 深圳市大稳科技有限公司 | Cool-storage type temperature control chamber and control method |
| CN109294523A (en) * | 2018-10-18 | 2019-02-01 | 浙江大学山东工业技术研究院 | A cold storage air conditioner |
| TWI658238B (en) * | 2016-08-12 | 2019-05-01 | 國立勤益科技大學 | Split energy storage system and method |
| CN110039974A (en) * | 2019-05-22 | 2019-07-23 | 上海交通大学 | Vehicle occupant compartment thermal comfort regulating system based on phase transformation and warming atomization technique |
| CN112880073A (en) * | 2019-11-29 | 2021-06-01 | 广东美的制冷设备有限公司 | Air conditioner, method for predicting remaining cold storage time, and computer-readable storage medium |
| CN114688702A (en) * | 2022-04-27 | 2022-07-01 | 美的集团武汉暖通设备有限公司 | Control method and control device of air conditioner and air conditioner |
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| CN109294523A (en) * | 2018-10-18 | 2019-02-01 | 浙江大学山东工业技术研究院 | A cold storage air conditioner |
| CN110039974A (en) * | 2019-05-22 | 2019-07-23 | 上海交通大学 | Vehicle occupant compartment thermal comfort regulating system based on phase transformation and warming atomization technique |
| CN110039974B (en) * | 2019-05-22 | 2022-02-18 | 上海交通大学 | Thermal comfort adjusting system for automobile passenger compartment based on phase change and temperature-sensing atomization technology |
| CN112880073A (en) * | 2019-11-29 | 2021-06-01 | 广东美的制冷设备有限公司 | Air conditioner, method for predicting remaining cold storage time, and computer-readable storage medium |
| CN114688702A (en) * | 2022-04-27 | 2022-07-01 | 美的集团武汉暖通设备有限公司 | Control method and control device of air conditioner and air conditioner |
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