CN102901172A - Water-ring phase-change energy-storage under-floor air distribution air-conditioning system and energy storage and energy release method thereof - Google Patents
Water-ring phase-change energy-storage under-floor air distribution air-conditioning system and energy storage and energy release method thereof Download PDFInfo
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- CN102901172A CN102901172A CN2012104408985A CN201210440898A CN102901172A CN 102901172 A CN102901172 A CN 102901172A CN 2012104408985 A CN2012104408985 A CN 2012104408985A CN 201210440898 A CN201210440898 A CN 201210440898A CN 102901172 A CN102901172 A CN 102901172A
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Abstract
The invention discloses a water-ring phase-change energy-storage under-floor air distribution air-conditioning system and an energy storage and energy release method thereof. The output end of an air source cold/hot water unit is connected with the input end of a water pump; the output end of the water pump is connected with the input end of a first electric valve and the input end of a second electric valve respectively; the output end of the first electric valve is connected with the cold/hot water input end of an air handling unit; the cold/hot water output end of the air handling unit is connected with the input end of the air source cold/hot water unit; the output end of the second electric valve is connected with the input end of a phase-change energy-storage rectifying device; the output end of the phase-change energy-storage rectifying device is connected with the input end of the air source cold/hot water unit; the first air output end of the air handling unit is connected with the air input end of a room through a first pipeline; the air output end of the room is connected with the first air input end of the air handling unit through a second pipeline; and the second air input end of the air handling unit is communicated with the atmosphere. By the system and the method, a cold/hot load during the day can be transferred to the night with low electricity price by utilizing the difference between peak electricity price and valley electricity price; the difference between a peak electric load and a valley electric load is relieved; and the economical efficiency of equipment operation is improved.
Description
Technical field
The present invention relates to a kind of liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System and accumulation of energy thereof and release energy method, belong to the technical field of refrigerated air-conditioning system Design and manufacture.
Background technology
Since the eighties in 20th century, intelligent building rises gradually, and its collects modern handle official bussiness, communication, automatically is controlled in one, requires inside must possess pure and fresh, efficient, comfortable environment.Under-Floor Air-conditioning System is because the characteristics such as its system layout is flexible, strong adaptability, energy consumption is low, air quality is good more and more receive everybody concern.
Under-Floor Air-conditioning System utilizes the space of raised floor and floor as air supply plenum chamber, by pressure the room is sent in air-supply, and abundant plenum chamber space can be used as the passage of cable and communication line etc.Under-Floor Air-conditioning System only need be considered the hot humidity load of workspace, room, need not to take into account the environment on top, room, therefore, allows with lower air quantity air-supply.
In recent years, experts and scholars both domestic and external are for the implementation of time-of-use tariffs, carrying out a large amount of research work aspect building energy conservation and the air conditioner system energy saving, wherein for the characteristic of energy storage materials of phase change, utilize low-price electricity accumulation of energy at night, release energy daytime, regulate peak load, the economy of raising equipment operation becomes study hotspot.But present research mainly concentrates on flooring radiation and combines with phase-changing energy-storing, and the combination of external wall and phase-changing energy-storing.These phase-changing energy-storing modes can not combine with existing air-conditioning system, and a cover system need to be set separately, complex structure, and the initial cost of equipment and operation and maintenance cost are also larger.
Summary of the invention
The invention provides a kind of liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System and accumulation of energy thereof and release energy method, that is: first purpose of the present invention is on the basis that does not change existing traditional floor air supply air-conditioner system architecture, realize the combination of Under-Floor Air-conditioning System and energy storage materials of phase change, make system both have the floor air supply system flexible arrangement, air quality is good, in the time of low power consumption and other advantages, can utilize again energy storage materials of phase change accumulation of energy at night, release the characteristics of energy daytime, regulate peak load, it is economical that raising equipment moves; Second purpose of the present invention relates to accumulation of energy and releases energy method.
The technical scheme that realizes first purpose of the present invention provides a kind of liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System, described system comprises: air-source cold/hot water unit, air-conditioning box and room, be provided with the space air output at the top in room, in the room, be provided with raised floor and by raised floor, the body of wall in floor and room encloses the formation plenum chamber, be provided with space air input and floor air diffuser at plenum chamber, in plenum chamber, be provided with phase-changing energy-storing type fairing, insulation material spool and track, described track is positioned at the both sides of phase-changing energy-storing type fairing, described track is provided with the insulation material spool, and described phase-changing energy-storing type fairing is divided into two separate spaces with plenum chamber, described space air input is positioned at a side of phase-changing energy-storing type fairing.Described floor air diffuser is positioned at the opposite side of phase-changing energy-storing type fairing, described phase-changing energy-storing type fairing comprises the rectification packaging body, the rectifier type packaging body is provided with the rectification passage, filling energy storage materials of phase change in the rectifier type packaging body, be provided with water pipe channel in the rectifier type packaging body, water pipe channel is used for installing water pipe, phase-changing energy-storing type rectification unit is by snap joint, kayser links to each other, space between phase-changing energy-storing type rectification unit is sealed with baffle plate, the output water pump input of described air-source cold/hot water unit, the water pump output connects respectively the input of the first motor-driven valve and the input of the second motor-driven valve, the output termination air-conditioning box cold/hot water input of the first motor-driven valve, the input of air-conditioning box cold/hot water output termination air-source cold/hot water unit, the input of the output termination phase-changing energy-storing type fairing of the second motor-driven valve, the input of the output termination air-source cold/hot water unit of phase-changing energy-storing type fairing, air-conditioning box the first air output connects the space air input by the first pipeline, and the space air output connects air-conditioning box the first air input by second pipe.Air-conditioning box the second air input communicates with atmosphere.
The insulation material spool can be the automatic coiling insulation material, also manual scrolling insulation material.
The scheme that realizes second purpose of the present invention is to adopt the accumulation of energy of aforementioned liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System to release energy method, comprising: release energy method on night energy-storage method and daytime,
Described night, energy-storage method was as follows:
At night, close air-conditioning box, open air-source cold/hot water unit, open water pump, close the first motor-driven valve, open the second motor-driven valve, the insulation material spool slides out to the wall place by track by the wall place to be stopped, and phase-changing energy-storing type fairing is incubated.At this moment, the cold/hot water that air-source cold/hot water unit produces makes the accumulation of energy of phase-changing energy-storing type fairing through water pump and the second motor-driven valve phase-changing energy-storing type fairing of flowing through.
It is as follows that release energy method described daytime:
By day, open air-conditioning box, close air-source cold/hot water unit, switch off the pump, close the first motor-driven valve, close the second motor-driven valve, the insulation material spool slides out to the wall place by track by the wall place to be stopped, and makes insulation material be involved in spool.At this moment, the new wind that is entered by air-conditioning box the second air input and mixed by air-conditioning box by the return air that air-conditioning box the first air input enters, the first pipeline, send into plenum chamber by the space air input, the rectification passage of the phase-changing energy-storing type fairing of air-supply in plenum chamber flows through phase-changing energy-storing type fairing, and with night institute's cold-storage/heat take out, send into the room via the floor air diffuser, air-supply is discharged by the space air output after the room carries out heat exchange, returns to air-conditioning box the first air input through second pipe.
By day in the exoergic process, if phase-changing energy-storing type fairing institute cold-storage/heat can not satisfy daytime during whole workload demand, open air-source cold/hot water unit, open water pump, open the first motor-driven valve, at this moment, the cold/hot water that air-source cold/hot water unit produces is through water pump, the first motor-driven valve and air-conditioning box cold/hot water input enter the surface cooler of air-conditioning box, by cold/hot water in surface cooler, discharge cold/the heat compensation deficiency cold/heat, if just amount of stored heat can not meet the demands, then can air-supply be heated by opening electric heater unit in the air-conditioning box, come the heat of bucking-out system deficiency.
The invention has the beneficial effects as follows:
(1). the present invention is on the basis that does not change existing traditional floor air supply air-conditioner system architecture, realize the combination of Under-Floor Air-conditioning System and energy storage materials of phase change, make system both have the floor air supply system flexible arrangement, air quality is good, in the time of low power consumption and other advantages, can utilize again energy storage materials of phase change accumulation of energy at night, release the characteristics of energy daytime, regulate peak load, it is economical that raising equipment moves.
(2). the present invention takes full advantage of the plenum chamber space of Under-Floor Air-conditioning System, by phase-changing energy-storing type fairing, energy storage materials of phase change and Under-Floor Air-conditioning System height is integrated, easily produce than maelstrom or the unequal problem of blowing for traditional floor air supply system air-supply, can carry out rectification to air-supply by the rectification passage of phase-changing energy-storing type fairing, make air-supply can evenly send into the room, improve the comfort level of indoor occupant.
(3). the phase-changing energy-storing type fairing that utilization of the present invention is installed in the system carries out accumulation of energy at night, releases energy daytime.During accumulation of energy by being installed in the cold/hot water in the water pipe in the phase-changing energy-storing type fairing, with accumulation of energy produce cold/thermic load discharges, and in the exoergic process, air-supply obtains cold/heat by the rectification passage of phase-changing energy-storing type fairing, and send into the room by the floor air diffuser, because floor air supply system has the relatively low characteristics of air supply velocity, be approximately 1m/s, therefore, air-supply has sufficient time and its heat exchange when the rectification passage of phase-changing energy-storing type fairing flows through, can with night institute's cold-storage/heat as much as possible send into the room.
Description of drawings
Fig. 1 is liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System schematic diagram of the present invention
Have among the figure: air-source cold/hot water unit 1, water pump 2, the first motor-driven valve 3, the second motor-driven valve 4, air-conditioning box 5, air-conditioning box cold/hot water input 5a, air-conditioning box cold/hot water output 5b, air-conditioning box the first air input 5d, air-conditioning box the first air output 5e, air-conditioning box the second air input 5c, the first pipeline 6, space air input 7, space air output 8, second pipe 9, room 10, phase-changing energy-storing type fairing 11, insulation material spool 12, track 13, floor air diffuser 14, floor 15, raised floor 16, plenum chamber 17, wall 18, wall 19.
Fig. 2 is phase-changing energy-storing type fairing schematic diagram.
Have among the figure: energy storage materials of phase change 11d, water pipe 11e, snap joint 11f, kayser 11g, baffle plate 11h in rectification passage 11a, rectification packaging body 11b, water pipe channel 11c, the packaging body.
The specific embodiment
1-accompanying drawing 2 further specifies the specific embodiment of the present invention by reference to the accompanying drawings: liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System comprises: air-source cold/hot water unit 1, air-conditioning box 5 and room 10,10 top is provided with space air output 8 in the room, in room 10, be provided with raised floor 16 and by raised floor 16, the body of wall in floor 15 and room 10 encloses and forms plenum chamber 17, be provided with space air input 7 and floor air diffuser 14 at plenum chamber 17, in plenum chamber 17, be provided with phase-changing energy-storing type fairing 11, insulation material spool 12 and track 13, described track 13 is positioned at the both sides of phase-changing energy-storing type fairing 10, described track 13 is provided with insulation material spool 12, and described phase-changing energy-storing type fairing 11 is divided into two separate spaces with plenum chamber 17, described space air input 7 is positioned at a side of phase-changing energy-storing type fairing 11.Described floor air diffuser 14 is positioned at the opposite side of phase-changing energy-storing type fairing, described phase-changing energy-storing type fairing 11 comprises rectification packaging body 11b, rectifier type packaging body 11b is provided with rectification passage 11a, filling energy storage materials of phase change 11d in the rectifier type packaging body 11b, be provided with water pipe channel 11c in the rectifier type packaging body 11b, water pipe channel 11c is used for installing water pipe 11e, phase-changing energy-storing type rectification unit is by snap joint 11f, kayser 11g links to each other, space between phase-changing energy-storing type rectification unit is sealed with baffle plate 11h, output water pump 2 inputs of described air-source cold/hot water unit 1, water pump 2 outputs connect respectively the input of the first motor-driven valve 3 and the input of the second motor-driven valve 4, the output termination air-conditioning box cold/hot water input 5a of the first motor-driven valve 3, air-conditioning box cold/hot water output 5b connects the input of air-source cold/hot water unit 1, the input of the output termination phase-changing energy-storing type fairing 11 of the second motor-driven valve 4, the input of the output termination air-source cold/hot water unit 1 of phase-changing energy-storing type fairing 11, air-conditioning box the first air output 5e connects space air input 7 by the first pipeline 6, and space air output 8 meets air-conditioning box the first air input 5d by second pipe 9.Air-conditioning box the second air input 5c communicates with atmosphere.
Energy method is released in a kind of accumulation of energy of liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System, comprising: release energy method on night energy-storage method and daytime,
Described night, energy-storage method was as follows:
At night, close air-conditioning box 5, open air-source cold/hot water unit 1, open water pump 2, close the first motor-driven valve 3, open the second motor-driven valve 4, insulation material spool 12 slides out to wall 19 places by track 13 by wall 18 places to be stopped, and phase-changing energy-storing type fairing 11 is incubated.At this moment, the cold/hot water that air-source cold/hot water unit 1 produces makes 11 accumulation of energys of phase-changing energy-storing type fairing through water pump 2 and the second motor-driven valve 4 phase-changing energy-storing type fairing 11 of flowing through.
It is as follows that release energy method described daytime:
By day, open air-conditioning box 5, close air-source cold/hot water unit 1, switch off the pump 2, close the first motor-driven valve 3, close the second motor-driven valve 4, insulation material spool 12 slides out to wall 18 places by track 13 by wall 19 places to be stopped, and makes insulation material be involved in spool.At this moment, the new wind that is entered by air-conditioning box the second air input 5c and mixed by air-conditioning box 5 by the return air that air-conditioning box the first air input 5d enters, the first pipeline 6, send into plenum chamber 17 by space air input 7, the rectification passage of the phase-changing energy-storing type fairing 11 of air-supply in plenum chamber 17 flows through phase-changing energy-storing type fairing 11, and with night institute's cold-storage/heat take out, send into room 10 via floor air diffuser 14, air-supply is discharged by space air output 8 after room 10 carries out heat exchange, returns to air-conditioning box the first air input 5d through second pipe 9.
By day in the exoergic process, if 11 cold-storage/heats of phase-changing energy-storing type fairing can not satisfy daytime during whole workload demand, open air-source cold/hot water unit 1, open water pump 2, open the first motor-driven valve 3, at this moment, the cold/hot water that air-source cold/hot water unit 1 produces is through water pump 2, the first motor-driven valve 3 and air-conditioning box cold/hot water input 5a enter the surface cooler of air-conditioning box 5, by cold/hot water in surface cooler, discharge cold/the heat compensation deficiency cold/heat, if just amount of stored heat can not meet the demands, then can air-supply be heated by opening electric heater unit in the air-conditioning box 5, come the heat of bucking-out system deficiency.
Operation principle of the present invention and the course of work are as follows:
The present invention is on the basis that does not change existing traditional floor air supply air-conditioner system architecture, realize the combination of Under-Floor Air-conditioning System and energy storage materials of phase change, make system both have the floor air supply system flexible arrangement, indoor attendant only need use simple instrument and standard hardware just can finish and reconfigure, and air quality is good, in the time of low power consumption and other advantages, can utilize again energy storage materials of phase change accumulation of energy at night, release the characteristics of energy daytime, regulate peak load, it is economical that raising equipment moves.
The specific works process is: at night, close air-conditioning box 5, open air-source cold/hot water unit 1, open water pump 2, close the first motor-driven valve 3, open the second motor-driven valve 4, insulation material spool 12 slides out to wall 19 places by track 13 by wall 18 places to be stopped, and phase-changing energy-storing type fairing 11 is incubated.At this moment, the cold/hot water that air-source cold/hot water unit 1 produces makes 11 accumulation of energys of phase-changing energy-storing type fairing through water pump 2 and the second motor-driven valve 4 phase-changing energy-storing type fairing 11 of flowing through.
By day, open air-conditioning box 5, close air-source cold/hot water unit 1, switch off the pump 2, close the first motor-driven valve 3, close the second motor-driven valve 4, insulation material spool 12 slides out to wall 18 places by track 13 by wall 19 places to be stopped, and makes insulation material be involved in spool.At this moment, the new wind that is entered by air-conditioning box the second air input 5c and mixed by air-conditioning box 5 by the return air that air-conditioning box the first air input 5d enters, the first pipeline 6, send into plenum chamber 17 by space air input 7, the rectification passage of the phase-changing energy-storing type fairing 11 of air-supply in plenum chamber 17 flows through phase-changing energy-storing type fairing 11, and with night institute's cold-storage/heat take out, send into room 10 via floor air diffuser 14, air-supply is discharged by space air output 8 after room 10 carries out heat exchange, returns to air-conditioning box the first air input 5d through second pipe 9.
By day in the exoergic process, if 11 cold-storage/heats of phase-changing energy-storing type fairing can not satisfy daytime during whole workload demand, open air-source cold/hot water unit 1, open water pump 2, open the first motor-driven valve 3, at this moment, the cold/hot water that air-source cold/hot water unit 1 produces is through water pump 2, the first motor-driven valve 3 and air-conditioning box cold/hot water input 5a enter the surface cooler of air-conditioning box 5, by cold/hot water in surface cooler, discharge cold/the heat compensation deficiency cold/heat, if just amount of stored heat can not meet the demands, then can air-supply be heated by opening electric heater unit in the air-conditioning box 5, come the heat of bucking-out system deficiency.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System, it is characterized in that, comprise: air-source cold/hot water unit (1), air-conditioning box (5) and room (10), the top of (10) is provided with space air output (8) in the room, in room (10), be provided with raised floor (16) and by raised floor (16), the body of wall of floor (15) and room (10) encloses and forms plenum chamber (17), be provided with space air input (7) and floor air diffuser (14) at plenum chamber (17), in plenum chamber (17), be provided with phase-changing energy-storing type fairing (11), insulation material spool (12) and track (13), described track (13) is positioned at the both sides of phase-changing energy-storing type fairing (10), described track (13) is provided with insulation material spool (12), described phase-changing energy-storing type fairing (11) is divided into two separate spaces with plenum chamber (17), described space air input (7) is positioned at a side of phase-changing energy-storing type fairing (11), described floor air diffuser (14) is positioned at the opposite side of phase-changing energy-storing type fairing, described phase-changing energy-storing type fairing (11) comprises rectification packaging body (11b), rectifier type packaging body (11b) is provided with rectification passage (11a), the interior filling energy storage materials of phase change of rectifier type packaging body (11b) (11d), be provided with water pipe channel (11c) in the rectifier type packaging body (11b), water pipe channel (11c) is used for installing water pipe (11e), phase-changing energy-storing type rectification unit is by snap joint (11f), kayser (11g) links to each other, space between phase-changing energy-storing type rectification unit is sealed with baffle plate (11h), output water pump (2) input of described air-source cold/hot water unit (1), water pump (2) output connects respectively the input of the first motor-driven valve (3) and the input of the second motor-driven valve (4), the output termination air-conditioning box cold/hot water input (5a) of the first motor-driven valve (3), air-conditioning box cold/hot water output (5b) connects the input of air-source cold/hot water unit (1), the input of the output termination phase-changing energy-storing type fairing (11) of the second motor-driven valve (4), the input of the output termination air-source cold/hot water unit (1) of phase-changing energy-storing type fairing (11), air-conditioning box the first air output (5e) connects space air input (7) by the first pipeline (6), space air output (8) connects air-conditioning box the first air input (5d) by second pipe (9), and air-conditioning box the second air input (5c) communicates with atmosphere.
2. liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System according to claim 1 is characterized in that, insulation material spool (12) can be the automatic coiling insulation material, also manual scrolling insulation material.
3. energy method is released in the accumulation of energy of a liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System, it is characterized in that, comprising: release energy method on night energy-storage method and daytime,
Described night, energy-storage method was as follows:
At night, close air-conditioning box (5), open air-source cold/hot water unit (1), open water pump (2), close the first motor-driven valve (3), open the second motor-driven valve (4), insulation material spool (12) is located to slide out to wall (19) by track (13) by wall (18) and is located to stop, phase-changing energy-storing type fairing (11) is incubated, at this moment, the cold/hot water that air-source cold/hot water unit (1) produces makes phase-changing energy-storing type fairing (11) accumulation of energy through water pump (2) and the second motor-driven valve (4) the phase-changing energy-storing type fairing (11) of flowing through
It is as follows that release energy method described daytime:
By day, open air-conditioning box (5), close air-source cold/hot water unit (1), (2) switch off the pump, close the first motor-driven valve (3), close the second motor-driven valve (4), insulation material spool (12) is located to slide out to wall (18) by track (13) by wall (19) and is located to stop, make insulation material be involved in spool, at this moment, the new wind that is entered by air-conditioning box the second air input (5c) and mixed by air-conditioning box (5) by the return air that air-conditioning box the first air input (5d) enters, the first pipeline (6), send into plenum chamber (17) by space air input (7), the rectification passage of the phase-changing energy-storing type fairing (11) of air-supply in plenum chamber (17) flows through phase-changing energy-storing type fairing (11), and with night institute's cold-storage/heat take out, send into room (10) via floor air diffuser (14), air-supply is discharged by space air output (8) after room (10) carry out heat exchange, returns to air-conditioning box the first air input (5d) through second pipe (9).
4. energy method is released in the accumulation of energy of liquid-ring type phase-changing energy-storing type Under-Floor Air-conditioning System according to claim 3, it is characterized in that, by day in the exoergic process, if phase-changing energy-storing type fairing (11) institute cold-storage/heat can not satisfy daytime during whole workload demand, open air-source cold/hot water unit (1), open water pump (2), open the first motor-driven valve (3), at this moment, the cold/hot water that air-source cold/hot water unit (1) produces is through water pump (2), the first motor-driven valve (3) and air-conditioning box cold/hot water input (5a) enter the surface cooler of air-conditioning box (5), by cold/hot water in surface cooler, discharge cold/the heat compensation deficiency cold/heat, if just amount of stored heat can not meet the demands, then can air-supply be heated by opening electric heater unit in the air-conditioning box (5), come the heat of bucking-out system deficiency.
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| CN201210440898.5A CN102901172B (en) | 2012-11-07 | 2012-11-07 | Water-ring phase-change energy-storage under-floor air distribution air-conditioning system and energy storage and energy release method thereof |
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| CN201210440898.5A CN102901172B (en) | 2012-11-07 | 2012-11-07 | Water-ring phase-change energy-storage under-floor air distribution air-conditioning system and energy storage and energy release method thereof |
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Cited By (4)
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| CN105737448A (en) * | 2015-08-21 | 2016-07-06 | 熵零股份有限公司 | Cold and heat system |
| CN112361502A (en) * | 2020-11-02 | 2021-02-12 | 东莞理工学院 | Phase-change cold-storage fresh air and air source heat pump coupling system and operation method thereof |
| CN113339907A (en) * | 2021-05-27 | 2021-09-03 | 青岛海尔空调器有限总公司 | Cold accumulation type air conditioning fan and control method thereof |
| CN113916036A (en) * | 2021-10-11 | 2022-01-11 | 华南理工大学 | Phase-change energy storage and artificial cold source combined operation system and method |
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| CN2531344Y (en) * | 2002-01-22 | 2003-01-15 | 王智慧 | Integral pipeline phase change regenerative module |
| JP2009097740A (en) * | 2007-10-15 | 2009-05-07 | Sanken Setsubi Kogyo Co Ltd | Heating/cooling system |
| CN202915499U (en) * | 2012-11-07 | 2013-05-01 | 东南大学 | Water-loop phase-change energy storage type underfloor air distribution air conditioning device |
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| CN2531344Y (en) * | 2002-01-22 | 2003-01-15 | 王智慧 | Integral pipeline phase change regenerative module |
| JP2009097740A (en) * | 2007-10-15 | 2009-05-07 | Sanken Setsubi Kogyo Co Ltd | Heating/cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105737448A (en) * | 2015-08-21 | 2016-07-06 | 熵零股份有限公司 | Cold and heat system |
| CN112361502A (en) * | 2020-11-02 | 2021-02-12 | 东莞理工学院 | Phase-change cold-storage fresh air and air source heat pump coupling system and operation method thereof |
| CN113339907A (en) * | 2021-05-27 | 2021-09-03 | 青岛海尔空调器有限总公司 | Cold accumulation type air conditioning fan and control method thereof |
| CN113916036A (en) * | 2021-10-11 | 2022-01-11 | 华南理工大学 | Phase-change energy storage and artificial cold source combined operation system and method |
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| CN102901172B (en) | 2014-12-17 |
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