CN2482652Y - Thermal storage heat pump air conditioner - Google Patents
Thermal storage heat pump air conditioner Download PDFInfo
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- CN2482652Y CN2482652Y CN 01240625 CN01240625U CN2482652Y CN 2482652 Y CN2482652 Y CN 2482652Y CN 01240625 CN01240625 CN 01240625 CN 01240625 U CN01240625 U CN 01240625U CN 2482652 Y CN2482652 Y CN 2482652Y
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Abstract
The utility model relates to a heat storage thermal pump air-conditioner, which comprises an indoor unit and an outdoor unit. A compressor, a four-way switching valve, a check valve, an outdoor heat exchanger, a throttling unit, a capillary, and a single-direction valve and a check valve which are connected mutually in consequence are arranged in the outdoor unit. The heat storage thermal pump air-conditioner also includes a heat storage and discharge unit connecting with a suck port of the compressor and a port of the outdoor exchanger and a port of the check valve through pipes. The air-conditioner can adjust the capability of the heating output according to the environmental conditions; the indoor temperature is increased fast during the process of heating; the air-conditioner makes continuous heating during the process of defrosting, and reasonably utilizes the power during the peak and the valley hours.
Description
The utility model relates to the room air regulation technology, is specifically related to heat pump type air conditioner, more particularly, relates to a kind of heat pump air conditioner with accumulation of heat and heat release function.
Existing domestic heat pump air conditioner device is the system architecture flow process that adopts as shown in Figure 1 basically, and the difference of this system flow and common air-conditioning device is to adopt a four-way change-over valve, thereby reaches the refrigeration and the heating operation of system by the conversion of four-way change-over valve.This system flow is the present the following aspects of existing major technology defect map in heating process:
1, general heat pump air conditioner is difficult to regulate according to the variation of environmental condition the output of heating capacity, the output that reaches the heating capacity of air-conditioner changes with the change of environmental condition, normally adopt converter technique, yet adopt frequency conversion rate technology to have considerable technical barrier on the one hand, on the other hand the system cost height;
2, general heat pump air conditioner is in the heating operation incipient stage, the leaving air temp of indoor set is generally lower, be difficult to reach the purpose of quick greenhouse, and when working under the outdoor environmental conditions comparison condition of severe, the preferred temperature that indoor air temperature does not reach the user for a long time may occur, thereby the people who has a strong impact on system feels comfort level.Although existing air-conditioner adopts electrical auxiliary heater to solve these problems, adopt damage and the safety problem of electrical auxiliary heater existence to equipment;
3, general heat pump air conditioner is at heating operation after a period of time, more serious frosting phenomenon will appear in the off-premises station heat exchanger surface, air-conditioner will change its operational mode by four-way change-over valve this moment, the air-conditioning system of this moment its essence is carries out refrigerating operaton, make the indoor gas temperature descend, thereby the people who influences air feel comfort level;
4, power industry implementation tou power price is the inexorable trend of future development, yet current domestic heat pump air conditioner device can't be realized the peak load shifting effect to power system.
The purpose of this utility model is to provide a kind of regenerative heat pump air-conditioner, can overcome the shortcoming of above-mentioned technology, and air-conditioner can be according to the fan-out capability that heats of ambient conditions air-conditioner; Can in heating process, improve indoor temperature fast; Continuously heating in the air-conditioner defrost process can play the effect of peak load shifting to the use of electric power.
The purpose of this utility model is achieved in that a kind of regenerative heat pump air-conditioner of structure, comprise indoor set and off-premises station, be provided with compressor in the described off-premises station, the four-way change-over valve that is connected with the turnover pipeline of compressor, two interfaces in addition of described four-way change-over valve are connected with outdoor heat exchanger with stop valve respectively, another interface of described outdoor heat exchanger is connected with throttling arrangement, another interface of described throttling arrangement and a capillary that is connected in parallel, the connecting interface of check valve is connected, the described other end capillaceous is connected to stop valve, it is characterized in that, also comprise inhalation interface by pipeline and described compressor, the accumulation of heat heat-releasing device that the interface of outdoor heat exchanger is connected with the interface of stop valve.
Above-mentioned according to regenerative heat pump air-conditioner provided by the utility model in, it is characterized in that, described accumulation of heat heat-releasing device comprises storage heater, the throttling arrangement that is connected in series with storage heater, magnetic valve, another interface of magnetic valve is connected with stop valve, the inhalation interface of described compressor is connected with the output interface of storage heater, also comprise the magnetic valve that is connected with the interface of described throttling arrangement and throttling arrangement by pipeline, in the connecting line of described compressor delivery outlet, be connected with four-way change-over valve again after having at least a part of pipeline to pass the inner chamber of described storage heater.
Above-mentioned according to regenerative heat pump air-conditioner provided by the utility model in, it is characterized in that be equipped with in the described storage heater, the organic-inorganic composite phase-change material also is provided with electric heater, described electric heater is electrically connected with the control system of air-conditioning.
Above-mentioned according to regenerative heat pump air-conditioner provided by the utility model in, the heat transfer element of fin tube type is housed in the described storage heater.
Implement the regenerative heat pump air-conditioner that the utility model provides, in original heat pump type air conditioner, increase a storage heater, two magnetic valves and a throttle mechanism with and corresponding pipeline form the accumulation of heat radiator, in storage heater, be equipped with organic---inorganic composite phase-change material, this composite phase-change material will play extremely important accumulation of heat and exothermic effects, and be equipped with electrical heating element so that to the peak load shifting effect of power system, air-conditioning system is by the magnetic valve in the micro-computer controlling apparatus and the conducting of four-way change-over valve, can be according to the fan-out capability that heats of ambient conditions air-conditioner, because the effect of regenerative apparatus, air-conditioner is improved fast to indoor temperature in heating process, but and make air-conditioner continuously heating in defrost process, be the better regenerative heat pump air-conditioner of a kind of serviceability.
Below in conjunction with accompanying drawing, further specify the utility model with embodiment, in the accompanying drawing:
Fig. 1 is the refrigerant system configurations flow chart of general heat pump air conditioner;
Fig. 2 is the system architecture schematic diagram of the utility model regenerative heat pump air-conditioner;
Flow chart when Fig. 3 carries out kind of refrigeration cycle work for the utility model regenerative heat pump air-conditioner;
Flow chart when Fig. 4 heats periodic duty for the utility model regenerative heat pump air-conditioner;
Fig. 5 carries out accumulation of heat, the flow chart when heating periodic duty for the utility model regenerative heat pump air-conditioner;
Circulation process figure when Fig. 6 carries out thermal storage defrosting work for the utility model regenerative heat pump air-conditioner.
As shown in Figure 2, the regenerative heat pump air-conditioner that provides by the utility model, be on the basis of former heat pump type air conditioner, to increase a storage heater, two magnetic valves and a throttle mechanism with and corresponding pipeline constitute, its concrete structure is: be connected with four-way change-over valve 3 by pipeline on the inlet and outlet connectors of the compressor 1 of off-premises station, two interfaces in addition of four-way change-over valve are connected with outdoor heat exchanger 4 with stop valve 8 respectively, another interface of outdoor heat exchanger 4 is connected with throttling arrangement 5, another interface of described throttling arrangement 5 and a capillary that is connected in parallel 9, the connecting interface of check valve 13 is connected, the other end of described capillary 9 is connected to stop valve 6, for solving the accumulation of heat heat release problem of heat pump air conditioner, at the inhalation interface of compressor 1, the interface of the interface of outdoor heat exchanger 4 and stop valve 6 is connected a cover accumulation of heat heat-releasing device 22 with pipeline.
In accumulation of heat heat-releasing device 22, be provided with storage heater 2, the throttling arrangement 10 and the magnetic valve 11 that are connected in series with storage heater 2, another interface of magnetic valve is connected with stop valve 6, the inhalation interface of described compressor is connected with the output interface of storage heater 2, also comprise the magnetic valve 12 that is connected with the interface of described throttling arrangement 10 and throttling arrangement 5 by pipeline, in the connecting line of described compressor 1 delivery outlet, be connected with four-way change-over valve 3 again after having at least a part of pipeline to pass the inner chamber of described storage heater 2, also comprise electrical heating elements 14 and coupled electric power supply system.
A kind of organic-inorganic composite heat storage exothermic material is housed in storage heater 2 and is provided with electric heater 14, described electric heater 14 is electrically connected with the control system of air-conditioning, for improving heat storage efficiency, the heat transfer element of fin tube type is housed in storage heater 2.
Throttling arrangement 5 in the system and 10 can adopt electric expansion valve, aperture by two electric expansion valves of system's control realizes different throttling purposes, if also can all adopt throttle capillary tube all to adopt capillary, the length that is shorter in length than capillary 5 of capillary 10 then, can obtain different restriction effects, can also be electric expansion valve and various combination capillaceous, as a kind of employing electric expansion valve, the then another kind of capillary that adopts.
In storage heater, fill a kind of organic---inorganic composite phase-change material, this composite phase-change material will play extremely important accumulation of heat and exothermic effects, and be equipped with electrical heating element 14 so that to the peak load shifting effect of power system, system realizes its function corresponding by the control magnetic valve of micro computer and the motion of four-way change-over valve.
Describe the course of work (arrow in each accompanying drawing is depicted as the flow direction of refrigerant in the system) of the realization the utility model purpose of regenerative heat pump air-conditioner under various operating conditions in detail below in conjunction with accompanying drawing:
1, the course of work of thermal storage air conditioning when normal refrigerating operaton
As shown in Figure 3, after the compressed machine 1 compression increasing temperature and pressure of cold-producing medium, after entering regenerative heat exchanger 2 and emitting the part heat, refrigerant gas will flow out from regenerative heat exchanger, gas will enter four-way change-over valve 3, this moment, four-way change-over valve 3 was in off-position, therefore fluid by behind the four-way change-over valve 3 with inlet chamber external heat exchanger 4 (condenser), after the force air heat exchange of refrigerant gas by outdoor heat exchanger (condenser) and outdoor environment, change a kind of cold excessively refrigerant liquid into, this cold excessively refrigerant liquid will be through becoming a kind of low temperature after capillary 5 (perhaps electric expansion valve) throttling, the vapour-liquid two-phase mixture of low pressure, the cold-producing medium that this then two-phase is mixed is by behind the check valve 13, enter indoor heat exchanger 7 (evaporimeter) by pipeline through stop valve 6 again, the cold-producing medium of low-temp low-pressure carries out heat exchange with room air in the indoor heat exchanger pipe, the heat (containing latent heat and sensible heat) that the one side cold-producing medium absorbs air in a large number and transmitted makes the temperature and humidity of room air constantly reduce, cold-producing medium becomes saturated or overheated gas after absorbing heat on the other hand, this low pressure, refrigerant of low temperature gas will enter the mouth by turning back to compressor 1 behind the stop valve 8, thereby realize cyclic process;
2, the course of work of thermal storage air conditioning when normal heating operation
As shown in Figure 4, after the compressed machine 1 compression increasing temperature and pressure of cold-producing medium, after entering regenerative heat exchanger 2 and emitting the part heat, high temperature, the refrigerant gas of high pressure will flow out from regenerative heat exchanger, gas will enter four-way change-over valve 3, four-way change-over valve 3 was in and sent electricity condition this moment, therefore fluid will enter stop valve 8 after by four-way change-over valve 3, behind one section refrigerant gas pipeline, this high temperature, the refrigerant gas of high pressure will enter indoor heat exchanger 7 (condenser), high temperature, the refrigerant gas of high pressure carries out heat exchange with room air in the indoor heat exchanger pipe, cold-producing medium is emitted heat in a large number on the one hand, by heat exchanger tube and heat exchange fin with the heat transferred room air, thereby make the temperature of room air constantly raise, reach desired air themperature, cold-producing medium becomes saturated or subcooled liquid after by heat release on the other hand, after this saturated or subcooled liquid will enter one section pipeline, enter one section capillary 9 through stop valve 6, after saturated or mistake cold anticyclone liquid passes through preliminary throttling, enter another section capillary 5 (perhaps electric expansion valve) again and carry out more deep throttling, through the refrigerant fluid after the throttling is low temperature, the vapour-liquid two-phase mixture of low pressure, the direct inlet chamber external heat exchangers 4 of these vapour-liquid two-phase mixtures (evaporimeter), the cold-producing medium of low-temp low-pressure carries out heat exchange with outdoor air in the outdoor heat exchange organ pipe, the heat (containing latent heat and sensible heat) that cold-producing medium absorbs air in a large number and transmitted, cold-producing medium becomes saturated or overheated gas after absorbing heat, this low pressure, refrigerant of low temperature gas will be by behind the four-way change-over valve 3, turn back to the inlet of compressor 1, thereby realize cyclic process;
3, the course of work of heat-storing air conditioner when accumulation of heat, heat release operation
System's accumulation of heat is made up of two parts, a part be the accumulation of heat flow process of system and system normal refrigeration, heat flow process and do not have very big difference in itself.Become the refrigerant gas of high pressure, high temperature after compressed machine 1 compression of refrigerant gas just, the phase change heat storage material that the refrigerant gas of these high pressure, high temperature directly enters in regenerative heat exchanger and the storage heater carries out heat exchange, heat will be converted into the latent heat of phase change of heat-storing material this moment, thereby realize the heat-accumulating process of first, will enter four-way change-over valve by the gas behind the regenerative heat exchanger.
Hold over system another part is exactly to carry out the electricity heating by the electric heating material 14 that is placed in the regenerative heat exchanger, thereby electrical heat energy is converted into the latent heat of phase change of phase-change material.Specifically, be exactly the time that can set according to the user of this system, condition etc. (as: can select survey tou power price poor, when the electricity consumption ebb, carry out heat storage operation automatically), system opens electrothermal component automatically and carries out accumulation of heat.When system temperature reaches or surpass the temperature that system sets, system will close electrothermal component automatically, thereby stop electric accumulation of heat.System adopts the purpose of electric accumulation of heat that many aspects are arranged, wherein main is just can provide hot blast fast in the start process for the system that makes, this external system accumulation of heat is in order to regulate under consumer's different time and the condition demand to heating load equally, and system can remove the frost layer on outdoor heat exchanger surface fast in defrost process, and this system equally also can play the effect of peak load shifting to power system.
The heat release operational process of system as shown in Figure 5, after the compressed machine 1 compression increasing temperature and pressure of cold-producing medium, after entering regenerative heat exchanger 2 and emitting the part heat, high temperature, the refrigerant gas of high pressure will flow out from regenerative heat exchanger, gas will enter four-way change-over valve 3, four-way change-over valve 3 was in and sent electricity condition this moment, therefore fluid will enter stop valve 8 after by four-way change-over valve 3, behind one section refrigerant gas pipeline, this high temperature, the refrigerant gas of high pressure will enter indoor heat exchanger 7 (condenser), high temperature, the refrigerant gas of high pressure carries out heat exchange with room air in the indoor heat exchanger pipe, cold-producing medium is emitted heat in a large number on the one hand, by heat exchanger tube and heat exchange fin with the heat transferred room air, thereby make the temperature of room air constantly raise, reach desired air themperature, cold-producing medium becomes saturated or subcooled liquid after by heat release on the other hand, after this saturated or subcooled liquid will enter one section pipeline, will be by stop valve 6, to be divided into two parts by the saturated or subcooled liquid behind the stop valve 6, this moment, magnetic valve 11 was in "on" position, wherein a part of as behind the heat release medium process magnetic valve 11, again by one section capillary 10 (perhaps electric expansion valve), the refrigerant liquid of this part high pressure will directly enter the interior phase change heat storage material of regenerative heat exchanger and storage heater and carry out comprehensive heat exchange through becoming vapour-liquid two-phase mixture or saturated liquid after the trickle throttling expansion, refrigerant liquid will be heated as the overheated gas of high temperature this moment, and the overheated gas of these high temperature will directly return the suction port of compressor by pipe-line system.Another part liquid enters one section capillary 9, after saturated or mistake cold anticyclone liquid passes through preliminary throttling, obtain further throttling by another section capillary 5 (perhaps electric expansion valve) again, through the refrigerant fluid after the throttling is low temperature, the vapour-liquid two-phase mixture of low pressure, the direct inlet chamber external heat exchangers 4 of these vapour-liquid two-phase mixtures (evaporimeter), the cold-producing medium of low-temp low-pressure carries out heat exchange with outdoor air in the outdoor heat exchange organ pipe, the heat (containing latent heat and sensible heat) that cold-producing medium absorbs air in a large number and transmitted, cold-producing medium becomes saturated or overheated gas after absorbing heat, this low pressure, refrigerant of low temperature gas will be by behind the four-way change-over valve 3, turn back to the inlet of compressor 1, thereby realize cyclic process.
4, the course of work of air-conditioner when heating and defrosting moves
Refrigeration system contains a certain amount of moisture owing in the outdoor air at heating operation after a period of time, and the surface temperature of outdoor heat exchanger is lower again, to there be this moment the part water vapour to be condensed into the frost layer at heat exchanger surface, the existence of these frost layers will reduce the convective heat-transfer coefficient of heat exchanger on the one hand, to reduce air quantity on the other hand by heat exchanger, therefore after frost thickness acquired a certain degree, system must remove the frost layer;
The utility model can be provided with the operational process of multiple defrosting, and a kind of defrost process to system is described in detail below:
The defrosting workflow as shown in Figure 6, after the compressed machine 1 compression increasing temperature and pressure of cold-producing medium, the refrigerant gas of HTHP will directly enter regenerative heat exchanger 2, after entering regenerative heat exchanger 2 and emitting the part heat, refrigerant gas will flow out from regenerative heat exchanger, gas will enter four-way change-over valve 3, this moment, four-way change-over valve 3 was in off-position, therefore fluid by behind the four-way change-over valve 3 with inlet chamber external heat exchanger 4 (condenser), after the frost layer of refrigerant gas by outdoor heat exchanger (condenser) and heat exchanger surface carries out heat exchange, because the temperature of these refrigerant gas is higher, its liberated heat becomes liquid water (this moment, outdoor fan was in off-position) with the white melting layer of heat exchanger surface, thereby the frost layer is got rid of from heat exchanger surface, same refrigerant gas also changes a kind of cold excessively refrigerant liquid into, this cold excessively refrigerant liquid will be through magnetic valve 12, this moment, magnetic valve 12 was in "on" position, to enter capillary 10 (perhaps electric expansion valve) throttling through behind the magnetic valve 12, the refrigerant liquid of this part high pressure will directly enter the interior phase change heat storage material of regenerative heat exchanger and storage heater and carry out comprehensive heat exchange through becoming vapour-liquid two-phase mixture or saturated liquid after the trickle throttling expansion, refrigerant liquid will be heated as the overheated gas of high temperature this moment, and the overheated gas of these high temperature will directly return the suction inlet of compressor 1 by pipe-line system.Because capillary 10 is compared with capillary 5, its length is wanted much shorter, and is therefore most of that cold-producing medium will enter compressor 1 by storage heater 2.Major advantage of the present utility model shows the following aspects:
1, the refrigeration system flow process is compared with the refrigeration system flow process of general heat pump air conditioner, seem and want complicated, but simply many with the system flow of external similar regenerative heat pump, yet its function that can realize will be more much more than general regenerative heat pump air-conditioner;
2, the needed accessory of system has only increased by two magnetic valves, a storage heater and corresponding pipeline, and these accessories are realized than being easier in installation, and its serviceability is quite reliable.The price of these accessories is relatively cheap, and wide material sources;
3, the utility model is applied in the present employed domestic heat pump air conditioner device, may bring many new function and attractable point to heat pump air conditioner, brings many convenience to the consumer, and the quality of life that improves the consumer is had very realistic meaning;
4, will play the effect of peak load shifting to electric power, this electricity cost to balanced feeding contradiction and reduction consumer all has crucial realistic meaning;
5, adopt the mode of accumulation of heat to substitute its original auxiliary electrical heating, fundamentally eliminated owing to the potential safety hazard of using electrical heating to bring to people, family and equipment; The heat-storing material chemical property that is adopted is stable, and people, animal, environment and equipment are not had any harm.
Claims (8)
1, a kind of regenerative heat pump air-conditioner, comprise indoor set and off-premises station, be provided with compressor (1) in the described off-premises station, the four-way change-over valve (3) that is connected with the refrigerant inlet and outlet connectors of compressor, two interfaces in addition of described four-way change-over valve are connected with outdoor heat exchanger (4) with stop valve (8) respectively, another interface of described outdoor heat exchanger (4) is connected with throttling arrangement (5), another interface of described throttling arrangement (5) and a capillary that is connected in parallel (9), the connecting interface of check valve (13) is connected, the other end of described capillary (9) is connected to stop valve (6), it is characterized in that, also comprise inhalation interface by pipeline and described compressor (1), the accumulation of heat heat-releasing device (22) that the interface of the interface of outdoor heat exchanger (4) and stop valve (6) is connected.
2, according to the described regenerative heat pump air-conditioner of claim 1, it is characterized in that, described accumulation of heat heat-releasing device (22) comprises storage heater (2), the throttling arrangement (10) that is connected in series with storage heater (2), magnetic valve (11), another interface of magnetic valve is connected with stop valve (6), the inhalation interface of described compressor is connected with the output interface of storage heater (2), also comprise the magnetic valve (12) that is connected with the interface of described throttling arrangement (10) and throttling arrangement (5) by pipeline, in the connecting line of described compressor (1) delivery outlet, be connected with four-way change-over valve (3) again after having at least a part of pipeline to pass the inner chamber of described storage heater (2).
According to the described regenerative heat pump air-conditioner of claim 2, it is characterized in that 3, described storage heater is equipped with in (2), organic-inorganic composite heat storage exothermic material also is provided with electric heater (14), and described electric heater is electrically connected with the control system of air-conditioning.
4, according to the described regenerative heat pump air-conditioner of claim 3, it is characterized in that, the heat transfer element of fin tube type is housed in the described storage heater (2).
5, according to claim 2 or 3 described regenerative heat pump air-conditioners, it is characterized in that described throttling arrangement (5) and (10) are electric expansion valves.
6, according to claim 2 or 3 described regenerative heat pump air-conditioners, it is characterized in that described throttling arrangement (5) is an electric expansion valve, described throttling arrangement (10) is a throttle capillary tube.
7, according to claim 2 or 3 described regenerative heat pump air-conditioners, it is characterized in that described throttling arrangement (10) is an electric expansion valve, described throttling arrangement (5) is a throttle capillary tube.
8, according to claim 2 or 3 described regenerative heat pump air-conditioners, it is characterized in that described throttling arrangement (5) and (10) are throttle capillary tubes, the length that is shorter in length than capillary (5) of described capillary (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01240625 CN2482652Y (en) | 2001-05-23 | 2001-05-23 | Thermal storage heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01240625 CN2482652Y (en) | 2001-05-23 | 2001-05-23 | Thermal storage heat pump air conditioner |
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| CN2482652Y true CN2482652Y (en) | 2002-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 01240625 Expired - Fee Related CN2482652Y (en) | 2001-05-23 | 2001-05-23 | Thermal storage heat pump air conditioner |
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| CN102538272A (en) * | 2012-02-09 | 2012-07-04 | 美的集团有限公司 | Air conditioning system and defrosting method thereof |
| CN102607308A (en) * | 2011-03-02 | 2012-07-25 | Kdpcm株式会社 | Multi cooling type phase-change material thermal storage system |
| CN102829588A (en) * | 2012-09-21 | 2012-12-19 | 青岛海尔空调电子有限公司 | Defroster used for air conditioning system and circulation energy source central air conditioning hot water system |
| CN102901290A (en) * | 2012-10-25 | 2013-01-30 | 泰豪科技股份有限公司 | Thermal storage and defrosting air-source heat pump water heater unit |
| CN102057236B (en) * | 2009-05-04 | 2013-04-24 | Lg电子株式会社 | Air conditioner system |
| CN103791569A (en) * | 2012-10-30 | 2014-05-14 | 珠海格力电器股份有限公司 | Heat pump type air conditioning system |
| CN104236155A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof |
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| WO2015161743A1 (en) * | 2014-04-22 | 2015-10-29 | 珠海格力电器股份有限公司 | Air-conditioning system with defrosting function |
| WO2015188656A1 (en) * | 2014-06-12 | 2015-12-17 | 珠海格力电器股份有限公司 | Two-stage compression air conditioning system and control method thereof |
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| CN105737249A (en) * | 2015-06-19 | 2016-07-06 | 熵零股份有限公司 | Heat supply method |
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| CN106767079A (en) * | 2017-01-10 | 2017-05-31 | 美的集团武汉制冷设备有限公司 | Accumulation of heat component and air-conditioner |
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| CN102607308A (en) * | 2011-03-02 | 2012-07-25 | Kdpcm株式会社 | Multi cooling type phase-change material thermal storage system |
| CN102607308B (en) * | 2011-03-02 | 2014-10-29 | Kdpcm株式会社 | Multi cooling type phase-change material thermal storage system |
| CN102538272B (en) * | 2012-02-09 | 2013-10-09 | 美的集团股份有限公司 | Air-conditioning system and defrosting method thereof |
| CN102538272A (en) * | 2012-02-09 | 2012-07-04 | 美的集团有限公司 | Air conditioning system and defrosting method thereof |
| CN102829588B (en) * | 2012-09-21 | 2015-11-25 | 青岛海尔空调电子有限公司 | For defroster and the cycle energy central air-conditioning hot-water heating system of air-conditioning system |
| CN102829588A (en) * | 2012-09-21 | 2012-12-19 | 青岛海尔空调电子有限公司 | Defroster used for air conditioning system and circulation energy source central air conditioning hot water system |
| CN102901290A (en) * | 2012-10-25 | 2013-01-30 | 泰豪科技股份有限公司 | Thermal storage and defrosting air-source heat pump water heater unit |
| CN103791569B (en) * | 2012-10-30 | 2016-10-05 | 珠海格力电器股份有限公司 | Heat pump type air conditioning system |
| CN103791569A (en) * | 2012-10-30 | 2014-05-14 | 珠海格力电器股份有限公司 | Heat pump type air conditioning system |
| CN104236155A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof |
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| CN105466114A (en) * | 2016-02-02 | 2016-04-06 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN106765688A (en) * | 2016-11-15 | 2017-05-31 | 珠海格力电器股份有限公司 | Outdoor unit of heat recovery multi-split air conditioner system and heat recovery multi-split air conditioner system with outdoor unit |
| CN106765688B (en) * | 2016-11-15 | 2022-08-02 | 珠海格力电器股份有限公司 | Outdoor unit of heat recovery multi-split air conditioner system and heat recovery multi-split air conditioner system with outdoor unit |
| CN106767079A (en) * | 2017-01-10 | 2017-05-31 | 美的集团武汉制冷设备有限公司 | Accumulation of heat component and air-conditioner |
| WO2018129839A1 (en) * | 2017-01-10 | 2018-07-19 | 美的集团武汉制冷设备有限公司 | Heat storage assembly and air conditioner |
| CN112639376A (en) * | 2018-11-13 | 2021-04-09 | Nok株式会社 | Thermal management system |
| CN110608513A (en) * | 2019-09-26 | 2019-12-24 | 珠海格力电器股份有限公司 | Control method of air conditioning system |
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