CN1281128A - Cold and heat accumulation type heat pump air conditioner - Google Patents
Cold and heat accumulation type heat pump air conditioner Download PDFInfo
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- CN1281128A CN1281128A CN99109661A CN99109661A CN1281128A CN 1281128 A CN1281128 A CN 1281128A CN 99109661 A CN99109661 A CN 99109661A CN 99109661 A CN99109661 A CN 99109661A CN 1281128 A CN1281128 A CN 1281128A
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- 238000009825 accumulation Methods 0.000 title abstract description 5
- 238000005338 heat storage Methods 0.000 claims abstract description 84
- 230000008676 import Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 17
- 238000005057 refrigeration Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 12
- 238000001704 evaporation Methods 0.000 description 8
- 230000001172 regenerating effect Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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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
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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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- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention belongs to a cold and heat storage type heat pump air conditioner. The heat storage tank comprises an outdoor unit, a heat storage tank module and an indoor unit. The invention is characterized in that the opening of the electromagnetic valve and the electronic expansion valve is controlled according to a certain control program through the combination and structural connection relationship of all parts, so that the invention realizes three operation modes, namely cold and heat accumulation operation, cold and heat taking operation and refrigerating and heating operation. Compared with the prior art, the novel combined type wall-mounted solar water heater has the characteristics of simple structure, convenience in assembly and low cost. The method has great social and economic benefits for reducing the configuration capacity and the uniform power load of the power system and realizing the peak load shifting and valley filling on the power supply network.
Description
The invention belongs to cold-storage and thermal storage type heat pump air conditioner field.
Along with the high speed development of economic construction, countries in the world face the power supply shortage situation.Therefore, online " peak load shifting " of power supply is problem anxious to be solved.Along with the enforcement of worldwide time-of-use tariffs, the cold-storage and thermal storage type air conditioner begins developed, has been applied in the pump type heat variable refrigerant volume air-conditioning system since nineteen ninety-five.HIT has delivered " ice heat accumulating type PVC Le マ Le チ ェ ア ュ Application " system at the freezing magazine Vol.70 of nineteen ninety-five among the № 808.As shown in accompanying drawing 1, it is made up of off-premises station, heat storage tank module and indoor units.Night when indoor set all quits work, close heat storage tank module magnetic valve E1, opens solenoid valve E2, this system is by electric expansion valve V1 throttling, to the heat storage medium cold-storage.Get by day when cold, close heat storage tank module magnetic valve E1, magnetic valve E2, electric expansion valve V1 standard-sized sheet.Cold-producing medium is condensation and cold excessively in outdoor heat converter C, heat storage tank, and the condensing pressure of reduction system increases the degree of superheat, reduces the compressor power consumption, improves refrigerating capacity, thereby reaches the effect that electric power network is realized " peak load shifting ", equal permanent load.This system simple in structure, cost is lower, assembly unit is convenient, can realize cold-storage, get cold operation and heating operation.But there is following shortcoming: 1. can only after indoor set is out of service fully, could begin the cold-storage operation, can not realize the operation of part cold-storage.2. can not realize accumulation of heat, part regenerative operation in the winter time.For this reason, Mitsubishi Electric Co. was at Mitsubishi Electric's skill newspaper in 1996, and Vol.70 discloses " the hot マ Le チ ェ ァ ュ Application of ice storage " system among the No8.As shown in accompanying drawing 2, it is on the system-based that Hitachi, Ltd proposes, and has set up a refrigerated medium pump D, a subcooler F, three magnetic valve E and two electric expansion valve V.Refrigerated medium pump D is actually the compressor of a low compression ratio.Make this system can be implemented in refrigeration and during heating operation, all respectively have three kinds of operational modes, i.e. cold-storage, regenerative operation are got cold, heat-obtaining operation and compressor cooling, heating operation.This type systematic is utilize to reduce condensation temperature or improve evaporating temperature, reduces compression ratio, the compressor power consumption when reducing the operation of compressor peak power and realize " peak load shifting ".Adopt the shortcoming of this type systematic to be: complex structure, it is more that magnetic valve, electric expansion valve are used, and need set up compressor, subcooler, and cost is risen significantly, and not quick detachable assembly unit.
The objective of the invention is the shortcoming that exists in the above-mentioned prior art, provide a kind of both simple in structure, cost is low, assembly unit is convenient, can realize freezing, get cold, cold-storage simultaneously again, heat, the cold-storage and thermal storage type heat pump air conditioner of heat-obtaining, accumulation of heat.
In order to reach above-mentioned goal of the invention, technical scheme of the present invention realizes as follows: a kind of cold-storage and thermal storage type heat pump air conditioner, it is made up of off-premises station, heat storage tank module and indoor units.Off-premises station mainly comprises frequency-changeable compressor, cross valve, heat exchanger and electric expansion valve.The heat storage tank module comprises: heat storage tank, two electric expansion valves and three magnetic valves, be equipped with heat exchanger and phase-transition heat-storage medium in heat storage tank.Indoor units is to be made of a plurality of indoor heat converters and the electric expansion valve that equates with its quantity.Its design feature is, the compressor exhaust pipe of described off-premises station and cross valve import are joined, the cross valve outlet respectively with heat exchanger, compressor suction duct and heat storage tank module on incoming interface join.The heat exchanger other end and one electric expansion valve join, and incoming interface joins under the one electric expansion valve other end and the heat storage tank module.On the described heat storage tank module incoming interface and on it outgoing interface and one magnetic valve be connected, the one magnetic valve other end joins with its two magnetic valve, its two electric expansion valve, its two electric expansion valves other end inserts heat storage tank, the heat storage tank other end and its three electric expansion valve join, incoming interface, its three magnetic valve join under its three electric expansion valves other end and the heat storage tank module, and outgoing interface joins under its three magnetic valves other end and its two magnetic valve, the heat storage tank module.A plurality of indoor heat converters of described indoor units are connected in series the back upper and lower outgoing interface with the heat storage tank module in parallel respectively and join with each electric expansion valve.
According to technique scheme, the upper and lower incoming interface and the upper and lower outgoing interface thereof of described heat storage tank module are equipped with stop valve.
The present invention is owing to adopt the said structure type of attachment, can make this system utilize night cheap electric power to freeze, heat, and hot and cold amount is stored in the phase-transition heat-storage medium.In the peak electricity consumption phase, draw in cold heat from heat storage medium.Reduce the condensation temperature of system in refrigeration, when getting cold mode operation, increase degree of supercooling.Evaporating temperature heating, improve during the heat-obtaining mode operation system reduces the compressor air suction specific volume, increases circulating mass of refrigerant.Reduce condensation temperature or improve the compression ratio that evaporating temperature all can reduce system, under refrigeration, heating operation pattern, all can reduce the operation energy consumption of system, improve the cooling and warming ability, realized " peak load shifting " of power system.Compare with prior art, not only simple in structure, assembly unit makes things convenient for, cost can descend significantly, and guarantee the repertoire of cold-storage and thermal storage type heat pump air conditioner.All will have a tremendous social and economic benefits to configuration capacity and the equal permanent electric load that reduces power system.Has the value of extensively promoting the use of.
The invention will be further described below in conjunction with the drawings and the specific embodiments.
Fig. 1 is the heat-pump air-conditioner structure catenation principle figure of HIT's " ice heat accumulating type PVC Le マ Le テ ェ ア ュ Application ";
Fig. 2 is the heat-pump air-conditioner structure catenation principle figure of MIT's " hot マ Le チ ェ ア ュ Application of ice storage ";
Fig. 3 is structure catenation principle figure of the present invention.
Fig. 1 and Fig. 2 have made brief description in above-mentioned background technology section, repeat no more.Referring to Fig. 3, heat-pump air-conditioner of the present invention, it is made up of off-premises station 1, heat storage tank module 13 and indoor units 10.Off-premises station 1 mainly comprises frequency-changeable compressor 4, cross valve 16, heat exchanger 2 and electric expansion valve 3.Heat storage tank module 13 comprises heat storage tank 14, electric expansion valve 15, electric expansion valve 12 and magnetic valve 6, magnetic valve 7 and magnetic valve 11, and heat exchanger and phase-transition heat-storage medium are housed in heat storage tank 14.Indoor units 10 is to be made of three indoor heat converters 9 and three electric expansion valves 8.Compressor 4 blast pipes of off-premises station 1 communicate with cross valve 16 imports, cross valve 16 outlet respectively with heat exchanger 2, compressor 4 air intake ducts and heat storage tank module 13 on incoming interface join.Heat exchanger 2 other ends and electric expansion valve 3 join, and 13 times incoming interfaces of electric expansion valve 3 other ends and heat storage tank module join.On the heat storage tank module 13 incoming interface and on it outgoing interface and magnetic valve 11 be connected.Magnetic valve 11 other ends join with magnetic valve 7, electric expansion valve 12, electric expansion valve 12 other ends insert heat storage tank 14, heat storage tank 14 other ends and electric expansion valve 15 join, 13 times incoming interfaces of electric expansion valve 15 other ends and heat storage tank module, magnetic valve 6 join, and magnetic valve 6 other ends and magnetic valve 7,13 times outgoing interfaces of heat storage tank module join.Three indoor heat converters 9 of indoor units 10 are connected in series the back upper and lower outgoing interface with heat storage tank module 13 in parallel respectively and join with each electric expansion valve 8.Upper and lower incoming interface and upper and lower outgoing interface thereof in heat storage tank module 13 are equipped with stop valve 5.
Use the present invention that three kinds of operational modes are respectively arranged when cooling and warming.The refrigerating operaton pattern has: (1) refrigeration comprises and gets cold operation; (2) cold-storage operation fully; (3) part cold-storage operation.The heating operation pattern has: (4) heat, and comprise the heat-obtaining operation; (5) complete regenerative operation; (6) part regenerative operation.Narrated respectively according to six kinds of operational modes below.Do not piecing together the situation of changing heat storage tank module 13, each stop valve 5 is always standard-sized sheet.
(1) refrigerating operaton, air conditioner comprises when getting cold operation in refrigeration, electric expansion valve 15, electric expansion valve 12 and electric expansion valve 3 standard-sized sheets, magnetic valve 6, magnetic valve 11 are closed, and magnetic valve 7 is opened.Compressor 4 flows into indoor units 10 with the low-pressure refrigerant vapor compression after blast pipe advances cross valve 16, outdoor heat converter 2, electric expansion valve 3, electric expansion valve 15, heat storage tank 14, electric expansion valve 12, magnetic valve 7.Cold-producing medium is through indoor each electric expansion valve 8 throttling step-down, and heat absorption flashes to low-pressure gas in indoor units 10 each heat exchanger 9, and compressed machine 4 air intake ducts flow back to compressor 4, finish kind of refrigeration cycle.Refrigeration, when getting cold operation, 14 series connection of outdoor heat exchanger 2 and heat storage tank are used as the condenser of refrigeration system.By day the peak electricity consumption phase, adopt the cold operation pattern of getting.At this moment, the cooling fan of outdoor heat converter 2 stops or low cruise, cold-producing medium obtains cooling and partial condensation in heat exchanger 2, enter heat storage tank 14 again, the phase transition temperature of heat storage medium is lower than outdoor environment temperature, the heat of absorption refrigeration agent is converted into liquid phase by solid phase gradually, and makes high-pressure gaseous refrigerant continue condensation and cold excessively.Its effect is: the condensation temperature of system is reduced significantly, reduced the compressor wasted work; 2. increase the degree of supercooling of high pressure liquid refrigerant, reduced the liquid refrigerant enthalpy, improved refrigerating capacity; 3. reduced the power of outdoor fan; 4. improved Energy Efficiency Ratio; 5. can enlarge cooling area.After heat storage medium all is converted into liquid phase by solid phase, the temperature of heat storage medium will rise gradually, and increase the rotation speed of the fan of outdoor heat converter 2 this moment, and air-conditioning system enters conventional refrigerating operaton pattern.When the temperature of heat storage medium still is lower than through the condensed liquid refrigeration temperature of heat exchanger 2, liquid refrigerant will obtain further cold excessively in heat storage tank 14, to reduce the enthalpy of liquid refrigerant, improve refrigerating capacity.
(2) cold-storage operation fully, when night, indoor set was all out of service, the electric expansion valve 8 of all indoor sets was all closed, close magnetic valve 6, magnetic valve 7 this moment, opens solenoid valve 11, electric expansion valve 12, electric expansion valve 3 standard-sized sheets, air conditioner enters complete cold-storage operational mode.When complete cold-storage operational mode, compressor 4 compresses low-pressure refrigerant vapor, advance cross valve 16 inflow heat exchangers 2 through blast pipe, refrigerant vapour is condensed into liquid in heat exchanger 2 after, by electric expansion valve 3 through electric expansion valve 15 throttling step-downs, in heat storage tank 14, absorb the heat of heat storage medium and flash to low-pressure gas, behind magnetic valve 11, flow back to compressor 4, finish kind of refrigeration cycle by electric expansion valve 12.Heat storage medium in the heat storage tank 14 loses heat, and temperature reduces gradually, until condensing into solid state medium fully, cold is stored in the heat storage medium, uses for peak times of power consumption on daytime.
(3) part cold-storage operation, when having only the operation of part indoor set night, the electric expansion valve 8 of withdraw from service indoor heat converter 9 is closed.The indoor heat converter 9 of working still freezes.This moment, different was opens solenoid valve 6 with complete cold-storage pattern.After electric expansion valve 15 throttling step-downs, in heat storage tank 14, absorb the heat of heat storage medium and flash to low-pressure gas through outdoor heat converter 2 condensed liquid refrigerant parts, cold is stored in the heat storage medium.Another part enters indoor heat converter 9 heat absorption evaporations through the magnetic valve 6 and the indoor set electric expansion valve 8 of working, to indoor released cold quantity.The cold-producing medium that two parts are evaporated together flows back to compressor 4, finishes kind of refrigeration cycle.
(4) heating operation, air conditioner comprise heat-obtaining when operation heating, electric expansion valve 15, electric expansion valve 3 standard-sized sheets, and magnetic valve 6, magnetic valve 11 are closed, and magnetic valve 7 is opened.Compressor 4 compresses low-pressure refrigerant vapor, each heat exchanger 9 in cross valve 16 inlet chambers, and be condensed into liquid refrigerant at this, indoor each electric expansion valve 8, the magnetic valve 7 of liquid refrigerant by opening, throttling step-down in electric expansion valve 12 flows into heat storage tank 14, and cold-producing medium is drawn the heat of heat storage medium and flashed to low-pressure gas in heat storage tank 14, electric expansion valve 15, electric expansion valve 3, cross valve 16 through standard-sized sheet flows back to compressor 4 again, finishes kind of refrigeration cycle.Heat, heat-obtaining when operation, outdoor heat exchanger 2 and heat storage tank 14 series connection are used as the evaporimeter of refrigeration system.By day the peak electricity consumption phase, adopt the heat-obtaining operational mode.At this moment, the cooling fan of outdoor heat converter 2 stops or low cruise, cold-producing medium is drawn the heat that is stored in night in the heat storage medium in heat storage tank 14, because the temperature of heat storage medium is higher than outdoor environment temperature, the evaporating temperature that makes system is with respect to the direct heat-obtaining and being improved from environment of no heat storage tank, reduce the inspiratory volume of compressor 4, improved the circular flow of cold-producing medium, improved heating capacity.With no heat storage tank directly from environment heat-obtaining compare, under identical heating capacity condition, reduced the power consumption of compressor 4.After the temperature of heat storage medium reduced, increased the rotation speed of the fan of outdoor heat converter 2 this moment, and air-conditioning system enters conventional heating operation pattern.Cold-producing medium is from outdoor heat converter 2 and heat storage tank 14 heat-obtaining and evaporating simultaneously, because heat exchange area increases, the evaporating temperature of air-conditioning system also will be improved.
(5) complete regenerative operation, when night, indoor set was all out of service, the electric expansion valve 8 of all indoor sets was all closed, close magnetic valve 6, magnetic valve 7 this moment, opens solenoid valve 11, electric expansion valve 15, electric expansion valve 12 standard-sized sheets, air-conditioning system enters complete regenerative operation pattern.When complete regenerative operation pattern, compressor 4 compresses low-pressure refrigerant vapor, enter in the heat storage tank 14 through magnetic valve 11, heat is stored in the heat storage medium, heat use for peak times of power consumption on daytime, condensed liquid refrigerant flows back to compressor 4 after the heat absorption evaporation through electric expansion valve 3 throttling step-downs in outdoor heat converter 2 in heat storage tank 14, finishes heating circulation.
(6) part regenerative operation has only part indoor set when operation when night, and withdraw from service indoor set electric expansion valve 8 is closed, and the indoor set of working still heats, and different is opens solenoid valve 6 for this moment and complete accumulation of heat pattern.Condensed liquid refrigerant converges through magnetic valve 6 with through heat storage tank 14 condensed liquid state in indoor heat converter 9, inlet chamber outer heat-exchanger 2 after electric expansion valve 3 throttling step-downs, the heat of vaporization of cold-producing medium absorbing environmental air in heat exchanger 2 is got back to compressor 4 then.
According to above-mentioned embodiment, the technical scheme as if the quantity of the heat exchanger 9 of indoor units 10 being replaced by one or more formation also all belongs to protection scope of the present invention.
Claims (3)
1. cold-storage and thermal storage type heat pump air conditioner, it is by off-premises station (1), heat storage tank module (13) and indoor units (10) are formed, off-premises station (1) mainly comprises frequency-changeable compressor (4), cross valve (16), heat exchanger (2) and electric expansion valve (3), heat storage tank module (13) comprises heat storage tank (14), electric expansion valve (15,12) and magnetic valve (6,7,11), heat exchanger and phase-transition heat-storage medium are housed in heat storage tank (14), indoor units (10) is to be made of a plurality of indoor heat converters (9) and the electric expansion valve (8) that equates with its quantity, it is characterized in that: compressor (4) blast pipe of described off-premises station (1) and cross valve (16) import are joined, cross valve (16) outlet respectively with heat exchanger (2), compressor (4) air intake duct and heat storage tank module (13) go up incoming interface joins, heat exchanger (2) other end and electric expansion valve (3) join, electric expansion valve (3) other end and heat storage tank module (13) incoming interface are down joined, described heat storage tank module (13) go up incoming interface and on it outgoing interface and magnetic valve (11) be connected, magnetic valve (11) other end and magnetic valve (7), electric expansion valve (12) joins, electric expansion valve (12) other end inserts heat storage tank (14), heat storage tank (14) other end and electric expansion valve (15) join, electric expansion valve (15) other end and heat storage tank module (13) be incoming interface down, magnetic valve (6) joins, magnetic valve (6) other end and magnetic valve (7), heat storage tank module (13) down outgoing interface is joined, a plurality of indoor heat converters (9) of described indoor units (10) be connected in series with each electric expansion valve (8) respectively in parallel the and heat storage tank module (13) in back on, following outgoing interface joins.
2. according to the described a kind of cold-storage and thermal storage type heat pump air conditioner of claim 1, it is characterized in that: the quantity of the heat exchanger (9) of described indoor units (10) comprises more than one and two.
3. according to claim 1 or 2 described a kind of cold-storage and thermal storage type heat pump air conditioners, it is characterized in that: the upper and lower incoming interface of described heat storage tank module (13) and upper and lower outgoing interface thereof are equipped with stop valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99109661A CN1128316C (en) | 1999-07-05 | 1999-07-05 | Cold and heat accumulation type air conditioner with heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99109661A CN1128316C (en) | 1999-07-05 | 1999-07-05 | Cold and heat accumulation type air conditioner with heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1281128A true CN1281128A (en) | 2001-01-24 |
| CN1128316C CN1128316C (en) | 2003-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99109661A Expired - Fee Related CN1128316C (en) | 1999-07-05 | 1999-07-05 | Cold and heat accumulation type air conditioner with heat pump |
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| CN (1) | CN1128316C (en) |
Cited By (26)
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| WO2007112671A1 (en) * | 2006-04-04 | 2007-10-11 | Gree Electric Appliances Inc. Of Zhuhai | A supercooled ice cold-storage unit, an air conditioning system using the same and a control method thereof |
| CN100526757C (en) * | 2004-12-20 | 2009-08-12 | 安吉尔安东尼工业股份公司 | Energy-saving climatic test chamber and method of operation |
| CN1869549B (en) * | 2005-05-26 | 2010-04-28 | 威士顿精密工业股份有限公司 | Cooling machine device for constant temperature thermoelectric frequency conversion industry |
| CN1485588B (en) * | 2003-07-29 | 2010-10-06 | 孟凡正 | Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof |
| CN1912481B (en) * | 2005-08-12 | 2010-12-29 | Lg电子株式会社 | Thermal storage air conditioner |
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| CN104235978A (en) * | 2014-08-22 | 2014-12-24 | 海信（山东）空调有限公司 | Cold storage and heat storage type air conditioner |
| CN104344479A (en) * | 2013-07-23 | 2015-02-11 | 海信（山东）空调有限公司 | Cold accumulation type energy-saving air conditioning system and operation method thereof |
| CN104634151A (en) * | 2014-12-24 | 2015-05-20 | 同济大学 | Distributed energy resource station absorption type cold storage and heat storage dual-purpose energy storer |
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| CN105737447A (en) * | 2015-06-19 | 2016-07-06 | 熵零股份有限公司 | Cold supply method |
| CN105953337A (en) * | 2016-05-30 | 2016-09-21 | 珠海格力电器股份有限公司 | Ice heat storage air conditioning unit and control method thereof |
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1999
- 1999-07-05 CN CN99109661A patent/CN1128316C/en not_active Expired - Fee Related
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| CN1485588B (en) * | 2003-07-29 | 2010-10-06 | 孟凡正 | Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof |
| CN100526757C (en) * | 2004-12-20 | 2009-08-12 | 安吉尔安东尼工业股份公司 | Energy-saving climatic test chamber and method of operation |
| CN1869549B (en) * | 2005-05-26 | 2010-04-28 | 威士顿精密工业股份有限公司 | Cooling machine device for constant temperature thermoelectric frequency conversion industry |
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