CN201964082U - Phase-change energy-accumulation air hose - Google Patents
Phase-change energy-accumulation air hose Download PDFInfo
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- CN201964082U CN201964082U CN2010206521635U CN201020652163U CN201964082U CN 201964082 U CN201964082 U CN 201964082U CN 2010206521635 U CN2010206521635 U CN 2010206521635U CN 201020652163 U CN201020652163 U CN 201020652163U CN 201964082 U CN201964082 U CN 201964082U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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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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- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model belongs to the technical field of ecological construction and heat energy accumulation, and particularly relates to a phase-change energy-accumulation air hose consisting of a phase-change energy-accumulation plate and an air hose, wherein the phase-change energy-accumulation plate is fixed in an air hose shell and made from phase-change graphite powder and external encapsulation materials. The phase-change energy-accumulation plate is rectangular or square; and the interior of the air hose shell is attached to the inner surface, and the phase-change energy-accumulation plate is fixed by a metal support, or is directly fixed on the inner wall of the air hose shell by a screw or glue. The phase-change energy-accumulation air hose can be used for power pitch peak for air conditioners at scorching weather regions, or can be used for accumulating cold energy at night or solar energy heat in daytime at regions of larger day and night temperature difference, thus reducing traditional energy consumption and charge of a user on energy cost.
Description
Technical field
The utility model belongs to ecotecture and thermal energy storage technical field, is specifically related to a kind of phase-change accumulation energy airduct that is used for ecotecture.
Background technique
Since nineteen thirties, particularly be subjected to the influence of the seventies energy crisis, the basic theory of phase-changing energy storage material and application technical research emerge rapidly and are constantly developed in developed country.Energy storage is meant for the moment, the energy on a ground stores with certain form, be used for satisfying At All Other Times and (or) energy requirement in place, for the utilization of eliminating inharmonic contradiction between energy supply and demand, improving energy use efficiency and renewable energy sources significant values is arranged all.The research work to phase-changing energy storage material abroad just begins as far back as the seventies.Be to be purpose with energy-conservation the earliest,,, expand to every field gradually through constantly development from the utilization and the waste heat recovery of solar energy.Fields such as materials science, solar energy, space technology, Engineering Thermophysics, building air-conditioning heating and ventilation and industrial waste heat, UTILIZATION OF VESIDUAL HEAT IN interpenetrate and fast development is that condition has been created in phase change energy storage technology research and application.Compare with the sensible heat energy storage, advantages such as hidden heat energy storage has energy storage density height (high more than the order of magnitude), energy storage-release can temperature stabilization, volume is little, easy control, can be used to solve the contradiction of energy Supply and Demand mismatch on time and space, be the effective means that improves energy utilization rate, have broad application prospects in fields such as energy-conservation, the insulation garment of the recycling of " peak shifting and valley filling ", used heat and the waste heat of solar energy utilization, electric power and industry and civil building and air-conditioning, energy storage cookers.
Particularly aspect ecotecture, phase change energy storage technology has significant using value.Building energy consumption account whole society energy consumption improves the building efficiency by adopting phase change energy storage technology more than 1/3rd, and is highly beneficial for the efficiency of energy utilization that improves entire society.At building field, can phase-change material and structural material is compound, preparation phase-change accumulation energy structural material.For example German BASF AG and the cooperation of Fraunhofer solar energy system research institute adopt microcapsules technology that phase change material is encapsulated in the high molecular polymer, are prepared into the phase-change accumulation energy plaster, are convenient to use at building field.The advantage of this method is a phase change material storage reliability height, the energy storage good endurance, but cost is higher.People such as Canada Concordia professor Feldman of university infiltrate building product (as gypsum board or porous concrete building blocks etc.) with organic phase changing matter, make building wall board with latent heat of phase change energy-storage function and building block etc.The advantage of this method is that cost is lower, but also exists phase change material in use to leak easily at present, problems such as storage reliability.
On ecotecture, also phase-change material can be used for air-conditioning system or solar energy system, improve the building efficiency.For example more thermally distinguish season in midsummer electric power peak-valley difference at weather and become increasing, a large amount of the popularizing of air-conditioning is its one of the main reasons.High-temperature time in full summer, air-conditioning often some period in one day concentrate and start, cause electrical network can't bear the heavy load.And in the relatively nice and cool period, air conditioning load obviously reduces.Excessive peak-valley difference not only can cause huge energy waste, especially causes electric power the problem that supply falls short of demand to occur in some period.Therefore, be badly in need of exploitation and promote feasible power peak regulation means, reduce the electric power peak-valley difference as far as possible, alleviate the situation of electricity supply and demand anxiety.Phase-change accumulation energy is a feasible user side power peak regulation method.Store the cold of air-conditioning by suitable phase-change accumulation energy device, export to the interior space peak period, can effectively alleviate the electric power peak valley phenomenon at electric power in the output of electric power low-valley interval.And in some day and night temperature larger areas, as NW China, North, Northeast China area, can utilize phase-change material to store outdoor cold at night, be used for building cooling between daytime, can utilize phase-change material to store solar heat between daytime again, be used for building heating at night.
Summary of the invention
The purpose of this utility model is to propose a kind of energy storage good endurance, the lower-cost phase-change accumulation energy airduct that can be used for ecotecture.In the weather hot area, the phase-change accumulation energy airduct can be used for the air-conditioning power peak regulation, and in the day and night temperature larger area, the phase-change accumulation energy airduct can be used to store outdoor cold or solar heat between daytime at night.
The phase-change accumulation energy airduct that the utility model proposes is made of phase-change accumulation energy sheet and airduct.Wherein, the phase-change accumulation energy sheet is fixed in the airduct housing.
In the utility model, the phase-change accumulation energy sheet is made of phase transformation plumbago and outside potting material.The phase transformation plumbago mainly is made of porous graphite and phase-change material, wherein porous graphite be by natural flake graphite through intercalation, expanded and the compression supervisor be prepared from.Phase-change material comprises organic phase change material and inorganic salts phase-change material.Organic phase change material comprises organic materials such as crystallinity straight chain fatty acid, alkane, ester class and composition thereof.The inorganic salts phase-change material comprises the hydrate of inorganic salts such as sulphate, chloride, phosphate, nitrate.In preparation process, at first, prepare a certain amount of porous graphite by above-mentioned preparation method.By predetermined formula rate, take by weighing porous graphite and selected phase-change material, then as butyl stearate organic phase change material or calcium chloride saturated aqueous solution.It is compound that accurately two kinds of materials after the weighing mix abundant stirring.In order to allow phase-change material can more fully under liquid state, be penetrated in the hole of porous graphite, two kinds of mixtures of material were placed in the baking oven that is higher than the phase-change material phase transition temperature constant temperature more than 24 hours, obtain the evenly sufficient phase transformation graphite of absorption, prepare the phase transformation plumbago through pulverizing again.The preparation details can be referring to 201010541388.8 applications for a patent for invention.Adopt PVC, TPU, PVC nonwovens, EVA or aluminum plastic film etc. to make phase-change accumulation energy sheet encapsulation bag, fill the phase transformation plumbago, then sealing as potting material.Potting material thickness is between 0.05～2 millimeter.The phase-change accumulation energy plate shape is rectangular or square.As be rectangular, its long edge lengths is between 0.1～1 meter, and bond length is between 0.05～0.8 meter.If square, its length of side is between 0.1～1 meter.Phase-change accumulation energy sheet thickness is 5～50 millimeters.
For prevent that the phase transformation plumbago from moving, and does a partition every 0.1～0.2 meter width on the phase-change accumulation energy sheet in the encapsulation bag.This partition can be a stitched version, also can be adhesive-bonded form.
The phase-change accumulation energy airduct adopts common air-conditioning airduct material as the airduct housing; (centre is a thermal insulating material, and as phenol formaldehyde foam, polyurethane foam, glass fibre etc., outer surface adheres to layer protective layer as galvanized sheet iron, glass fibre reinforced plastics, composite material; as aluminium foil etc.), as the airduct housing.The shape and size of airduct housing can change arbitrarily according to actual engine request, and its processing is fully identical with the common air-conditioning airduct with method of construction.At airduct enclosure interior its internal surface of fitting, make Steel Support with aluminium or steel material, the phase-change accumulation energy sheet is fixed on the Steel Support.Also can adopt screw and glue that the phase-change accumulation energy sheet directly is fixed on the inwall of airduct housing.
The quantity of the phase-change accumulation energy sheet that is provided with in the airduct housing is determined according to airduct shell space size.Bigger as airduct shell space cross section, then except the airduct inner walls is provided with the phase-change accumulation energy sheet, in the middle of the airduct housing several layers phase-change accumulation energy sheet is set, the plane of phase-change accumulation energy sheet is parallel with airflow direction; Between each layer phase-change accumulation energy sheet even space is arranged, be beneficial to air ventilation.
The principle of phase-change accumulation energy airduct air-conditioning power peak regulation is as follows: summer, open the refrigerating function of air conditioner at electric power low-valley interval (generally morning every day 0:00 to 8:00), and the cold of its generation stored in the phase-change accumulation energy sheet in the phase-change accumulation energy airduct, its inside temperature of thermocouple measurement in the phase-change accumulation energy sheet, when its inside temperature is lower than phase transition temperature, illustrate that phase-change material undergoes phase transition fully in the phase-change accumulation energy sheet, fully cold-storage is closed air-conditioning automatically.In electricity needs peak period (general 8:00 by day is to 17:00), the period in the needs refrigeration, need not start air conditioner refrigerating, only start blower fan, utilize the air circulation heat exchange, the cold that stores in the phase-change accumulation energy sheet is discharged into the interior space gradually.Can adjust compressor flow according to required temperature and load.As a same reason,, utilize the heating function of air conditioner and the heat accumulation function of phase-change accumulation energy sheet, reach power peak regulation and save the purpose that (in that the tou power price area is arranged) paid in the electricity charge in winter.
The phase-change accumulation energy airduct stores and utilizes the principle of outdoor cold at night as follows: open blower fan between airduct and the space outerpace in low temperature period night in summer (generally every day 22:00 to 6:00 next day), close the blower fan between the airduct and the interior space simultaneously, outdoor cold is introduced and stored in the phase-change accumulation energy sheet in the phase-change accumulation energy airduct.Bury its inside temperature of thermocouple measurement underground in the phase-change accumulation energy sheet, when its inside temperature is lower than phase transition temperature, illustrate that phase-change material undergoes phase transition fully in the phase-change accumulation energy sheet, fully cold-storage is closed blower fan automatically.The high temperature period between daytime (general 10:00 by day is to 18:00), close the blower fan between airduct and the space outerpace.Period in the needs refrigeration need not start air conditioner refrigerating, starts the blower fan between the airduct and the interior space, utilizes the air circulation heat exchange, and the cold that stores in the phase-change accumulation energy sheet is discharged into the interior space gradually.Can adjust compressor flow according to required temperature and load.
The phase-change accumulation energy airduct stores and utilize the principle of solar heat between daytime as follows: solar energy enriches the period (generally every day 10:00 to 16:00) and opens the blower fan between airduct and the solar energy air heat collector between daytime in the winter time, close the blower fan between the airduct and the interior space simultaneously, the solar heat of collecting in the solar energy air heat collector is introduced and stored in the phase-change accumulation energy sheet in the phase-change accumulation energy airduct.Bury thermocouple underground in the phase-change accumulation energy sheet, measure its inside temperature, when its inside temperature is higher than phase transition temperature, illustrate that phase-change material undergoes phase transition fully in the phase-change accumulation energy sheet, blower fan is closed in fully accumulation of heat automatically.Need warm oneself the period at night (generally at 20:00 to 8:00 next day), close the blower fan between airduct and the solar energy air heat collector.Period in the needs heating need not start heating system, starts the blower fan between the airduct and the interior space, utilizes the air circulation heat exchange, and the heat that stores in the phase-change accumulation energy sheet is discharged into the interior space gradually.Can adjust compressor flow according to required temperature and load.
Promote the use of the phase-change accumulation energy airduct and have following benefit:
1, enriches regional utilization and extention phase-change accumulation energy airduct at solar energy, combine with solar thermal collector, the solar heat on daytime can be transferred to night, prolong solar energy and utilize the time and increase operation rate, reduce building the consumption of traditional energy and user's energy expenditure expenditure.
2, in the bigger area of day and night temperature in summer, as areas such as northwest, North, Northeast Chinas, utilize the phase-change accumulation energy airduct, can make full use of outdoor cold at night, be building cooling on daytime, thereby minimizing building on daytime is to the consumption of traditional energy and user's energy expenditure expenditure.
3, in the bigger area of electric power peak-valley difference, the concentrated use of building air conditioning become summer and winter electric power peak-valley difference and one of the major reason of power supply shortage.Adopt the phase-change accumulation energy airduct to carry out the use pattern that the air-conditioning power peak regulation can change building air conditioning and disperse to use, and the air-conditioning electric load during with the peak alleviates the power supply shortage situation when transferring to paddy, reduce peak-valley difference by concentrating to use to transfer to.Can save the electricity charge (in that the tou power price area is arranged) spending for the user simultaneously.
Description of drawings
Fig. 1 phase-change accumulation energy sheet pictorial diagram.
Fig. 2 phase-change accumulation energy airduct structural drawing.
Fig. 3 phase-change accumulation energy airduct application drawing.
Fig. 4 phase-change accumulation energy airduct is used for air-conditioning power peak regulation schematic representation.
Fig. 5 phase-change accumulation energy airduct is used to store outdoor cold schematic representation at night.
Fig. 6 phase-change accumulation energy airduct is used to store solar heat schematic representation between daytime.
Number in the figure: 1 is controller, and 2 is the phase-change accumulation energy sheet, and 3 is air conditioner, 4 is blower fan, 5 is vent hole, and 6 is that the room is indoor, and 7 is the airduct housing, 8 is Steel Support, 9 is the air type solar energy heat-collecting device, and 10 is airflow direction, and 11 is the blower fan between the airduct and the interior space, 12 is the blower fan between the airduct and the exterior space, and 13 is the blower fan between airduct and the solar thermal collector.
Embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
Embodiment 1
Be used for the air-conditioning power peak regulation the phase-change accumulation energy airduct structure as shown in Figure 4.Phase-change material is selected the phase transformation plumbago of phase transition temperature at 18-26 ° of C.This phase transformation plumbago is formed by porous graphite and fatty acid molecule alloy.The fatty acid molecule alloy is capric acid-myristic acid molecular alloy, and wherein the ratio of capric acid and myristic acid is for being 3:1.The compositely proportional of fatty acid molecule alloy and porous graphite is 10:1.Adopt PVC material package phase transformation plumbago then, make phase-change accumulation energy sheet 2.The phase-change accumulation energy sheet is a square, and the length of side is 0.5 meter.
The phase-change accumulation energy airduct is installed above the room.In the airduct by the fixing phase-change accumulation energy sheet of 2～3 layers of Steel Support 8.Air conditioner 3 adopts 1.5 split type wall built-up air conditioner for both cooling and heating, is installed in the airduct.Blower fan 4 adopts the furred ceiling blower fan (model is ATP-0680-040, and power of motor is 100W) of rotating speed adjustable, is installed in the air-conditioning below.Opening 20 apertures around airduct housing 7 is 2 centimetres ventilated port, is uniformly distributed on the airduct housing.In the phase-change accumulation energy sheet, select to be positioned at 5 phase-change accumulation energy sheets at middle and edge, thermocouple is installed therein, and (the thermocouple model is WREX-10, calibration number is E nickel chromium triangle-constantan), thermocouple cut-in temperature controller 1 is by the switch of temperature controller according to the electric thermo-couple temperature value control air-conditioning that records.Temperature controller can be selected CAL9400 type micro computer temperature controller for use.
Be used to store outdoor cold at night the phase-change accumulation energy airduct structure as shown in Figure 5.Phase-change material is selected the phase transformation plumbago of phase transition temperature at 18-26 ° of C.This phase transformation plumbago is formed by porous graphite and fatty acid molecule alloy.The fatty acid molecule alloy is capric acid-myristic acid molecular alloy, and wherein the ratio of capric acid and myristic acid is for being 3:1.The compositely proportional of fatty acid molecule alloy and porous graphite is 10:1.Adopt PVC material package phase transformation plumbago then, make phase-change accumulation energy sheet 2.The phase-change accumulation energy sheet is a square, and the length of side is 0.5 meter.
The phase-change accumulation energy airduct is installed above the room.In the airduct by the fixing phase-change accumulation energy sheet of 2～3 layers of Steel Support 8.In airduct and the exterior wall joint the outer and blower fan between the airduct 12 of communication chamber is installed, the furred ceiling blower fan (model is ATP-0680-040, and power of motor is 100W) of blower fan employing rotating speed adjustable.Opening 20 apertures around airduct housing 7 is 2 centimetres ventilated port, is uniformly distributed on the airduct housing.With indoor joint the blower fan 11 that is communicated with the interior space and airduct is installed at airduct, its model is identical with blower fan 12.In the phase-change accumulation energy sheet, select to be positioned at 5 phase-change accumulation energy sheets at middle and edge, thermocouple is installed therein, and (the thermocouple model is WREX-10, calibration number is E nickel chromium triangle-constantan), thermocouple cut-in temperature controller 1 is by the switch of temperature controller according to the electric thermo-couple temperature value control air-conditioning that records.Temperature controller can be selected CAL9400 type micro computer temperature controller for use.
Embodiment 3
Be used to store solar heat between daytime the phase-change accumulation energy airduct structure as shown in Figure 6.Phase-change material is selected the phase transformation plumbago of phase transition temperature at 60 ° of C.This phase transformation plumbago is formed by porous graphite and paraffin phase change material.The compositely proportional of paraffin phase change material and porous graphite is 10:1.Adopt TPU material package phase transformation plumbago then, make phase-change accumulation energy sheet 2.The phase-change accumulation energy sheet is a square, and the length of side is 0.5 meter.
The phase-change accumulation energy airduct is installed above the room.In the airduct by the fixing phase-change accumulation energy sheet of 2～3 layers of metal bracket 8.At top of building Air type solar thermal collector 9 is installed, the Air type solar thermal collector can adopt flat type solar heat collector.Blower fan 13 is installed between heat collector and the airduct, and blower fan adopts the furred ceiling blower fan (model is ATP-0680-040, and power of motor is 100W) of rotating speed adjustable.Opening 20 apertures around airduct housing 7 is 2 centimetres ventilated port, is uniformly distributed on the airduct housing.With indoor joint the blower fan 11 that is communicated with the interior space and airduct is installed at airduct, its model is identical with blower fan 13.In the phase-change accumulation energy sheet, select to be positioned at 5 phase-change accumulation energy sheets at middle and edge, thermocouple is installed therein, and (the thermocouple model is WREX-10, calibration number is E nickel chromium triangle-constantan), thermocouple cut-in temperature controller 1 is by the switch of temperature controller according to the electric thermo-couple temperature value control air-conditioning that records.Temperature controller can be selected CAL9400 type micro computer temperature controller for use.
Claims (3)
1. a phase-change accumulation energy airduct is characterized in that being made of phase-change accumulation energy sheet and airduct, and wherein, the phase-change accumulation energy sheet is fixed in the airduct housing, and described phase-change accumulation energy plate shape is rectangular or square; If rectangular, its long edge lengths is 0.1～1 meter, and bond length is 0.05～0.8 meter; If square, its length of side is 0.1～1 meter; Phase-change accumulation energy sheet thickness is 5-50 millimeters.
2. phase-change accumulation energy airduct according to claim 1, it is characterized in that at described airduct enclosure interior its internal surface of fitting, by Steel Support the phase-change accumulation energy sheet is fixed, perhaps the phase-change accumulation energy sheet directly is fixed on the inwall of airduct housing by screw or glue.
3. phase-change accumulation energy airduct according to claim 1 and 2 is characterized in that in the middle of the described airduct housing several layers phase-change accumulation energy sheet being set, and the plane of phase-change accumulation energy sheet is parallel with airflow direction; Between each layer phase-change accumulation energy sheet even space is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206521635U CN201964082U (en) | 2010-12-10 | 2010-12-10 | Phase-change energy-accumulation air hose |
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| CN2010206521635U CN201964082U (en) | 2010-12-10 | 2010-12-10 | Phase-change energy-accumulation air hose |
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| CN201964082U true CN201964082U (en) | 2011-09-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937324A (en) * | 2012-10-23 | 2013-02-20 | 东南大学常州研究院 | Phase-change energy-storage rectifying device |
| CN104807354A (en) * | 2015-05-25 | 2015-07-29 | 青岛科瑞新型环保材料有限公司 | Heat storage heat exchanger and fresh air system with same |
| CN104879855A (en) * | 2015-05-25 | 2015-09-02 | 青岛科瑞新型环保材料有限公司 | Heat storage heat exchanger and central ventilation system with switching air channels |
| CN105627804A (en) * | 2016-02-23 | 2016-06-01 | 上海交通大学 | Modular phase-change heat storage and supply unit and production method thereof |
| CN108253507A (en) * | 2018-03-05 | 2018-07-06 | 广东工业大学 | A kind of solar energy heating system |
| CN113280433A (en) * | 2021-05-17 | 2021-08-20 | 东北石油大学 | Ventilating duct containing nano-particle paraffin capable of realizing bidirectional ventilation |
| CN114413363A (en) * | 2022-01-24 | 2022-04-29 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
-
2010
- 2010-12-10 CN CN2010206521635U patent/CN201964082U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937324A (en) * | 2012-10-23 | 2013-02-20 | 东南大学常州研究院 | Phase-change energy-storage rectifying device |
| CN104807354A (en) * | 2015-05-25 | 2015-07-29 | 青岛科瑞新型环保材料有限公司 | Heat storage heat exchanger and fresh air system with same |
| CN104879855A (en) * | 2015-05-25 | 2015-09-02 | 青岛科瑞新型环保材料有限公司 | Heat storage heat exchanger and central ventilation system with switching air channels |
| CN104807354B (en) * | 2015-05-25 | 2016-09-07 | 青岛科瑞新型环保材料有限公司 | A kind of regenerative heat exchanger and the VMC of heat-storing material is set |
| CN104879855B (en) * | 2015-05-25 | 2017-01-11 | 青岛科瑞新型环保材料集团有限公司 | Heat storage heat exchanger and central ventilation system with switching air channels |
| CN105627804A (en) * | 2016-02-23 | 2016-06-01 | 上海交通大学 | Modular phase-change heat storage and supply unit and production method thereof |
| CN105627804B (en) * | 2016-02-23 | 2018-06-26 | 上海交通大学 | A kind of modularization phase-change thermal storage heating unit and its manufacturing method |
| CN108253507A (en) * | 2018-03-05 | 2018-07-06 | 广东工业大学 | A kind of solar energy heating system |
| CN113280433A (en) * | 2021-05-17 | 2021-08-20 | 东北石油大学 | Ventilating duct containing nano-particle paraffin capable of realizing bidirectional ventilation |
| CN113280433B (en) * | 2021-05-17 | 2022-05-17 | 东北石油大学 | Ventilating duct containing nano-particle paraffin capable of realizing bidirectional ventilation |
| CN114413363A (en) * | 2022-01-24 | 2022-04-29 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN114413363B (en) * | 2022-01-24 | 2023-09-05 | 广东美的暖通设备有限公司 | Air conditioning system and control method of air conditioning system |
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