CN201107006Y - Foam copper-phase-changing material accumulated energy element and temperature control device using the same - Google Patents
Foam copper-phase-changing material accumulated energy element and temperature control device using the same Download PDFInfo
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- CN201107006Y CN201107006Y CNU2007201744813U CN200720174481U CN201107006Y CN 201107006 Y CN201107006 Y CN 201107006Y CN U2007201744813 U CNU2007201744813 U CN U2007201744813U CN 200720174481 U CN200720174481 U CN 200720174481U CN 201107006 Y CN201107006 Y CN 201107006Y
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- 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
Abstract
The utility model discloses a foamy copper-phase change material energy storage component, which is basically composed of a heat conductive package and a foamy copper-phase change material device arranged in the package, and is provided with two basic forms of an energy storage plate and an energy storage pipe. Phase change material utilizes the designed pouring technique to be filled in foamy copper, the foamy copper is welded or bonded with the package through adopting the brazing technology or heat conduct glue, thereby being able to be made into structural components such as bricks, tiles, plates, pipes, etc., and a water delivery duct can also be assembled together with an energy storage device to compose an integrated floor heating module, which can be used by combining with a solar water heater. The foamy copper-phase change material energy storage component has very wide application prospect on the aspects such as building air conditioning, heating, energy conservation, industrial waste heat recovery and electrical power load shifting, as well as other equipments and locations which require temperature controlling.
Description
Technical field
The invention belongs to the environmental protection and energy saving field, be specifically related to foam copper-phase-change material energy storage member and adopt its attemperating unit.
Background technology
The phase-change accumulation energy device that adopts phase-change material to make as working media; can be used for solving the contradiction of heat energy Supply and Demand mismatch; it is the important technology that improves efficiency of energy utilization and protection environment; recycling at " peak load shifting ", used heat and the waste heat of solar energy utilization, electric power; and the field such as energy-conservation of industry and civil buildings heating and air-conditioning is with a wide range of applications, and become worldwide research focus.
Phase-change material (phase change material-PCM) is meant in its thing phase change process, can absorb heat (cold) amount or emit heat (cold) amount to environment from environment, thereby reach the storage of energy and a class material of release purpose.Phase transformation comprises solid (phase)-liquid (phase), liquid (phase)-gas various ways such as (phases), the present invention is meant the technology of utilizing solid-liquid phase change latent heat to come heat energy storage, because of it has advantages such as storage density is big, the heat accumulation process is similar to isothermal, process is easy to control, and become tool practical development potentiality, at present use maximum and most important energy storage mode (see: Zhang Zhengguo: the research and development of composite phase-change heat-storage material [J]. the chemical industry progress, 2003,22 (4): 462-463).
Phase-change material commonly used at present comprises inorganic matter class and organic matter class.Most inorganic matter phase-change materials have corrosivity, the shortcoming that existed cold-peace to be separated in the phase transition process, and this has limited its use.It is good that organic class phase-change material has a solid forming, difficult being separated and surfusion, and corrosivity is less, features such as stable performance, but compare with mineral-type, its thermal conductivity is low, and heat transfer property is poor in phase transition process.
The organic phase change material thermal conductivity is low, directly to cause phase-change accumulation energy device storage, exothermic process be that transformation rate is low to the shortcoming of heat transfer property difference in phase transition process, and this has the heat reservoir (as the space solar heat reservoir) of strict demand will have a strong impact on its performance and efficient for heat accumulation or heat release time.For ground civil solar device, because the phase-change material thermal conductivity is low, cause in the limited sunshine-duration, have only a small amount of phase-change material fusing in surface (as shown in Figure 1), thereby make solar energy storage device be merely able to store limited heat energy.Similar problem, in the recycling that is used for electric power " peak load shifting ", used heat and waste heat, and the field such as energy-conservation of industry and civil buildings and air-conditioning also exists, owing to heat energy (electric energy) is imported and derives subsequently phase-change material and be the process of slow a, poor efficiency, only limited phase-change material generation thing phase change process in causing in actual working time, thus make the storage of energy and discharge also very limited.In addition, when the phase-change accumulation energy device uses in gravitational field,, break away from heat-transfer area when then under the gravity effect, solidifying and cause its rate of heat transfer and efficient to reduce greatly at upper surface as heat-transfer area, destroyed the energy-storage property and the stability of structure of phase-change accumulation energy device because of phase-change material; Simple phase-change material is difficult to realize isothermal (actual fusing endothermic process is in its a certain scope more than fusing point) truly, also is difficult to realize precise dose control.
At present both at home and abroad solve that the energy-conservation transformation rate with energy storage device of solar energy utilization and building air conditioning improves and the uniformity of transformation rate aspect, a measure of taking is to adopt the multiple phase change materials energy storage device, promptly in same energy storage device, adopt the different phase-change material of phase transition temperature, carry out reasonable combination.The literature research result who has show (see Wang Jianfeng. the heat accumulation speed research [J] of multiple phase change materials heat reservoir. solar energy journal, 2000,21 (3): 258-263), select for use multiple paraffin to make up as phase-change material, its transformation rate can improve about 20% than single phase-change material.In practical engineering application such as electronic equipment dissipating heat, normal adopt add high thermal conductivity material such as copper powder, aluminium powder or graphite as filler with improve thermal conductivity (see: I.M.Bugaje.Enhancing the thermalresponse of latent heat storage systems[J] .InternationalJournal of Energy Research, 1997,21:759～766; R.Velraj, R.V.Seeniraj, B.Hafner, et al.Heat Transfer EnhancementA Latent Heat Storage Syetem[J] .Solar Energy, 1999,65 (3): 171～180; And, L.F.Cabeza, H.Mehling, S.Hiebler, et al.Heat transfer enhancement in water when used as PCMin thermal energy storage[J] .Applied Thermal Engineering, 2002,22 (10): 1141～1151), or adopt built-in fin (to see: R.Velraj, R.V.Seeniraj, B.Hafner, et al.Experimental analysis andnumerical modelling of inward solidification on a finnedvertical tube for a latent heat storage unit[J] .SolarEnergy, 1997,60 (5): 281～290), the aluminium honeycomb (see: B.G.Schelden, J.0.Golden.Development of Phase Change Thermal ControlDevice[R] .AIAA 7
ThThermophysics Conference.SAN ANTONIO, Texas/April 10-12,1972), improve heat transfer property, but the method for these augmentation of heat transfers is limited to the effect that improves the organic phase change material thermal conductivity.
Cao build light etc. (see: Cao Jianguang etc. the application [R] of foamed aluminium in the phase-change accumulation energy device. Beijing: satellite thermal control technical seminar collection of thesis, 2003:297-305) for solving intermittently used electronic building brick heat dissipation problem on the satellite, the foamed aluminium combination is positioned in the phase-change material n-octadecane, result of the test shows, the thermal conductivity of n-octadecane is brought up to 4.05W/ (mK) from 0.225W/ (mK) behind the combination foam aluminium, has improved 18 times approximately.
Discussing more in recent years is development about composite phase-change energy storage material, organic phase change material (stearic acid) is embedded into the stearic acid/silica nanometer thermal energy storage material that constitutes in the three-dimensional manometer grid of silica as employing melten gel-gel process such as Zhang Zhengguo, its thermal conductivity has improved about 1 times than stearic acid.Xiao Min etc. (see: Xiao Min, Gong Kecheng. good heat conduction, shape keep the preparation and the performance [J] of phase change heat storage material. solar energy journal, 2001,22 (4): 427～430) s-B-S triblock copolymer (SBS) and paraffin blend make on the basis of typing solid-liquid phase change heat accumulating, at the low shortcoming of paraffin thermal conductivity, added expanded graphite therein, after mixing heat refining, obtain the fixed phase change heat accumulating of good heat conduction, test result shows that its rate of heat release improves 1.5 times than paraffin refined wax.P.Xavier etc. (see: P.Xavier, M.Sylvain.Paraffinporous-graphite-matrix compote as a high and constant powerthermal storage material[J] .International Journal of Heatand Mass Transfer, 2001, (44): 2727～2737) organic phase-change heat accumulating paraffin is adsorbed in the expanded graphite with loose structure, constitute paraffin/graphite composite phase-change heat-storage material, result of the test shows, surplus its thermal conductivity has improved 20 than paraffin refined wax times.
Some other relevant researchs in addition (see Cui Hai Ting etc. the progress of heat storage technology and application [J]. chemical industry progress, 2002,21 (1): 23～25).
In sum as can be seen, in order to improve the thermal conductivity of the organic phase change material that adopts in the phase-change accumulation energy device, can take following several measure: 1. fill high thermal conductivity material, as copper powder, aluminium powder and graphite etc.; 2. adopt built-in fin, aluminium honeycomb or foamed aluminium; 3. adopt multiple phase change materials; 4. adopt composite phase-change material.Than adopting simple organic phase change material, take in above four kinds of measures any after, the thermal conductivity of heat-storing device generally can improve 20%-150%, the highest improve 20 surplus times.
By a large amount of literature searches as can be seen, its effect of measure of the thermal conductivity of above-mentioned four kinds of raising organic phase change materials is limited, in these four kinds of measures, wherein 1. 2. generally be to be used for electronic equipment,, the heat radiation of particularly aviation, aerospace electronic equipment or space solar utilization, since aspects such as cost and technology, the rare report that is useful on earthbound solar energy utilization and air-conditioning and heating and energy saving.Measure 3. multiple phase change materials to improve the amplitude of transformation rate of energy storage device less, this has limited its range of application.The measure of tool application prospect is to adopt composite phase-change material, but the composite phase-change material complex technique that discloses of document is comparatively complicated at present, and thermal conductivity or transformation rate remain further to be improved, and need strengthen the research to its structural stability, hot rerum natura etc.
The present invention is directed to the shortcoming that organic phase change material exists, foam copper is introduced the phase-change accumulation energy device, constituting with the foam copper is the New-type phase change energy storage device of skeleton.Our Primary Study result shows that this foam copper/(organic) phase-change material energy storage device can improve thermal conductivity than simple phase-change material and reach more than 30～50 times, and can improve the effect of phase-change material.
Foam copper is a kind of new function material, adopts technology that electrochemical method produces foam copper comparative maturity at present.The advantage of this method is that cost is low, and technological process is simple relatively, and process is easy to control, can produce the foam copper material of high hole, high strength and good toughness.Compare with foamed aluminium, can better control continuous, the uniformity of aperture, porosity and mesh in the foam copper forming process; Its finished product good processability can carry out accurate machining.In addition, the heat transfer property of foam copper and corrosion resistance also are better than foamed aluminium.These characteristics of foam copper help making low-cost, high performance phase-change accumulation energy device.
Summary of the invention
According to an aspect of the present invention, provide a kind of energy storage member, it is characterized in that comprising:
The encapsulation of heat conduction; And
Be arranged on the foam copper-phase-change material device within the described encapsulation, described foam copper-phase-change material device comprises:
Foam copper, and
Be filled in the phase-change material in the described foam copper.
According to another aspect of the present invention, provide a kind of room temperature regulation device, having comprised:
Solar thermal collector, the solar energy heating that is used to utilize it to absorb flows through its water;
A heat exchange heat preservation storage water tank;
The heat collector water-supply-pipe, it has constituted closed circuit between described heat exchange heat preservation storage water tank and described solar thermal collector for heated water in described solar thermal collector;
It is characterized in that further comprising:
A foam copper-phase-change material apparatus module (104), this module comprises at least one energy storage member, this energy storage component comprises:
The encapsulation of heat conduction (43,63,106,107); And
Be arranged on the foam copper-phase-change material device within the described encapsulation, described foam copper-phase-change material device comprises:
Foam copper (41,61,101), and
Be filled in the phase-change material (42,62,102) in the described foam copper,
Water in the wherein said heat exchange heat preservation storage water tank is by a root module water-supply-pipe described foam copper-phase-change material apparatus module of flowing through.
Phase-change accumulation energy is to comprise China's countries in the world policy guidance and the environmental protection and energy saving technical development project of supporting energetically, and the present invention is improving the phase-change accumulation energy unit efficiency, guaranteeing aspect energy-storage property and the structural stability its special advantages is arranged.
The direct applied technical field of the present invention comprises:
The ■ storage of solar energy is utilized
■ power peak regulation and electric heating waste heat store
One building air conditioning and heating energy
As mentioned above, it is good that organic phase change material has a solid forming, difficult being separated and surfusion, corrosivity is less, steady performance, but because its thermal conductivity is low, the phase-change accumulation energy device that causes making with organic phase change material has transformation rate low, the transformation rate lack of homogeneity, shortcoming such as entire system efficient is low, this has influenced its practical engineering application in field such as solar energy utilization and building air conditioning be energy-conservation.The objective of the invention is to:
■ increases substantially the transformation rate that adopts the energy storage device that organic phase change material makes, and improves the uniformity of transformation rate, improves the energy storage capacity and the overall efficiency of system.
■ improves the phase-change accumulation energy device and is being used for the accurately accuracy of temperature control of control temperature occasion of needs.
■ breaks away from the shortcoming that heat-transfer area causes its rate of heat transfer and efficient to reduce greatly when improving simple phase-change material and solidifying under the gravity effect, improve phase-change accumulation energy device thermal storage performance and stability of structure.
Description of drawings
Fig. 1 is that pure phase becomes material energy storage device heat transfer schematic diagram;
Fig. 2 is the foam copper structural representation;
Fig. 3 a is that pure phase becomes material energy storage device heat transfer schematic diagram;
Fig. 3 b is foam copper-phase-change material energy storage device heat transfer schematic diagram;
Fig. 4 a is the brick structure schematic diagram that adopts foam copper-phase-change material to make;
Fig. 4 b is the tile structure schematic diagram that adopts foam copper-phase-change material to make;
Fig. 4 c is foam copper-phase-change material energy storage plate schematic diagram;
Fig. 5 a is the schematic diagram that board-like foam copper-phase-change material energy storage device (energy storage plate) embeds the building roof;
Fig. 5 b is the schematic diagram that board-like foam copper-phase-change material energy storage device (energy storage plate) embeds building walls;
Fig. 5 c is that board-like foam copper-phase-change material energy storage device (energy storage plate) is embedded in the schematic diagram of building walls inwall;
Fig. 6 is cylindrical foam copper-phase-change material energy storage device (energy storage pipe) schematic diagram;
Fig. 7 is a temperature control system between typical communication apparatus;
Fig. 8 is the subsidiary air-condition principle schematic diagram that the workplace of heat accumulation (cold) chamber is arranged;
Fig. 9 is the multifunction system schematic diagram that energy storage pipe (plate) and solar thermal collector constitute;
Figure 10 a is equipped with the heating floor module that the energy storage pipe of water service pipe combines by a plurality of centers;
Figure 10 b is foam copper-phase-change material energy storage pipe schematic diagram.
The specific embodiment
For increasing substantially the transformation rate that adopts the energy storage device that organic phase change material makes, improve the uniformity of transformation rate, and assurance thermal storage performance and stability of structure, the present invention introduces the phase-change accumulation energy device with new function material-foam copper, and constituting with the foam copper is the New-type phase change energy storage device of skeleton.
Our research work shows, the phase-change material fusing is penetrated in the foam copper skeleton, forms foam copper-phase-change material integral structure, can improve the heat transfer property of phase-change material greatly.This is because foam copper is to issue infusion by copper or copper alloy matrix in certain technology, the fiber of shape as combining together mutually, and have irregular metal node (referring to Fig. 2) at fiber intersection point place, so foam copper has the good heat conductive performance.Especially, foam copper can use soldering processes and energy storage device heat-transfer area to weld, also thermal grease conduction can be applied between heat-transfer area and the foam copper, glued joint through pressurization and energy storage device heat-transfer area again, like this can be at the incorporate heat transfer network of the inner formation of energy storage device, reduce the thermal resistance of device phase change material inside greatly, strengthened heat-transfer capability.In addition, foam copper is a kind of novel light multifunctional material that is uniform-distribution with a large amount of via holes in the copper matrix, itself has very bigger serface, when phase-change material when liquid state is injected in the device, to be nature be separated into one by one junior unit with phase-change material to the hole of foam copper, and this each phase-change material junior unit all has small size and big specific area, and is surrounded by high heat conductance foam copper material.Shown in Fig. 3 (b), in foam copper one phase-change material energy storage member, heat by the heat-transfer area importing, the integrated heat transfer network conduction that forms by foam copper rapidly, and then by the phase-change material conduction heat of foam copper fiber in the small holes of being cut apart by it, make the phase-change material in the small holes can in finite time, melt heat absorption fully, thereby can improve the thermal response speed and the integrally-built quantity of heat storage of phase-change material greatly.
Different according to purposes and performance requirement, traditional solar energy and building air conditioning with the phase-change accumulation energy device in, embed the pore size foam copper different with voidage, can constitute high performance solar energy and building air conditioning phase-change accumulation energy device, its advantage is as follows:
1. this is the New-type phase change energy storage device of skeleton with the foam copper, has both kept the big advantage of energy storage density that traditional phase-change accumulation energy device is had, and can improve the thermal conductivity and the thermal response speed of phase-change material again.When significantly improving system effectiveness, can better keep the uniformity of transformation rate, this has the energy-storage system of strict restriction significant to heat accumulation or heat release time.
2. by selecting the foam copper of different apertures, different voidages, and select the phase-change material of different melting points and rationally mate, can improve the utilization rate of isothermal, accuracy of temperature control and the phase-change material of phase-change accumulation energy device.This point has significant application value in the occasion (as some precision instrument room) to the temperature control requirement strictness.
3. utilize and have the foam copper of bigger serface microcellular structure as framework material, because the effect of the capillary force of microcellular structure, liquid phase-change material is difficult to overflow from micropore, thereby break away from the upper surface heat-transfer area in the time of can avoiding phase-change material under the gravity effect, to solidify and cause its rate of heat transfer and efficient to reduce greatly, guarantee energy-storage property and stability of structure.
Beneficial effect and application
Phase-change thermal storage is to comprise China's countries in the world policy guidance and the environmental protection and energy saving technical development project of supporting energetically, and foam copper-phase-change material energy storage device is improving system effectiveness, guaranteeing aspect energy-storage property and the structural stability its special advantages is arranged.Foam copper-phase-change material energy storage device mainly contains the application of the following aspects aspect environmental protection and energy saving:
Solar heat stores
Solar energy is huge energy treasure-house, has cleanliness without any pollution, takes characteristics easily.But the solar radiation that arrives earth surface be subjected to geography, round the clock with the regular influence that changes such as season, and the restriction of enchancement factor such as sexual intercourse rain or shine, its radiation intensity constantly changes, and has significant thin property, discontinuity and unstability.Heat supply or electric supply installation are stable to be moved incessantly in order to keep, and just needs energy storage device storage of solar energy, when the solar energy deficiency, discharge again, thus satisfied production and the life continuous and stable needs of supplying of energy.Nearly allly be used for heating, hot-water supply, production process and all need heat energy storage with the solar energy equipment of heat etc.Foam copper-phase-change material energy storage device is the effective means that keeps various solar-heatings or the operation of electric supply installation continous-stable.
Power peak regulation and electric heating waste heat store
Adopt foam copper-phase-change material energy storage device can solve the peak load needs economically in power plant, fill and lead up the demand low ebb, it is very convenient to regulate unit load in the buffering accumulated energy mode.Adopt the energy storage device can fuel savings, reduce the initial cost and the fuel cost of power plant, improve the operational efficiency of unit and improve the service condition of unit, thereby improve the on-road efficiency of power plant and improve the utilization rate of power plant, reduce exhaust pollution, improve environment.Foam copper-phase-change material energy storage device is because its special advantages, can play a great role aspect the power peak regulation of power station, wind power plant, thermal power plant, solar power station and nuclear power station and the storage of electric heating waste heat.
Building air conditioning and heating energy
Foam copper-phase-change material combining structure embedded wall, the roof of building or make brick, watt etc. structural member, extremely wide application prospect is being arranged aspect the building energy conservation air-conditioning.For example, this new structure can be used for storing solar energy in winter, but at the cold of apotheca outer circulation at the night in summer moving air, can save the energy that is used for room conditioning greatly like this.In addition, utilize advantages such as foam copper-phase-change material energy storage device system effectiveness height, thermal storage performance and Stability Analysis of Structures, can realize precise dose control between some precision equipments.For example, be foam copper-phase-change material combining structure embedding wall of 25 ℃ with fusion temperature, thereby can store the heat energy of the sun and keep indoor temperature by phase-change material fusing heat absorption by day at 25 ℃; Descend because of temperature to night, the building release heat, phase-change material can be cooled to below 25 ℃, and will solidify and discharge latent heat of phase change, and latent heat of solidification can stop that temperature descends in the equipment room, so just plays the effect of interior environment temperature between stabilizing equipment.Be that foam copper-phase-change material combining structure has the self adaptation temperature adjustment function.
The production of heat energy will be adjusted at any time with the variation of demand in the constructure heating system, so the effect of energy storage seems more important.By foam copper-phase-change material energy storage device, can reduce the design power of energy conversion device and secondary energy transmission system (regional heat distribution pipe network), because in 1 year, have only short a period of time to need maximum heating power.In view of China progressively carries out the peak and valley time electrovalence policy, foam copper-phase-change material energy storage device can be played a great role in the electric power peak load shifting of building heating in winter, summer refrigeration.For example, in the process of electrothermal heating and hot-water supply, can arrive peak absences to the electricity consumption arrangement of time, thereby reduce operating cost.After adopting energy storage device, do not have the operation at part load situation, the conversion efficiency of energy improves.Heating boiler is because the fluctuation of demand causes boiler start/ stop frequent, and then the energy loss of shutdown process is very big.After adopting foam copper-phase-change material energy storage device, increase system's heat storage capacity effectively, can satisfy the requirement of fluctuating load within the specific limits, thereby reduced the frequency of boiler start/ stop, reduced energy consumption.
Foam copper-its basic structural unit of phase-change material energy storage member can adopt multiple packing forms such as board-like and tubular type.
Foam copper-phase-change material combining structure embedded wall, the ceiling (roof) of building or make brick, watt, structural member such as plate, can build up operating room cool in summer and warm in winter or dwelling house, extremely wide application prospect is arranged at building air conditioning aspect energy-conservation.
Fig. 4 (a), 4 (b), 4 (c) according to of the present invention-individual embodiment, adopt brick that foam copper-phase-change material is made, watt and the board member schematic diagram.In Fig. 4 (a)-Fig. 4 (c), label 41 expression foam coppers, 42 expression phase-change materials, 43 expression encapsulation.
In member of the present invention shown in Figure 4, foam copper 41 and phase-change material 42 are encapsulated in by within the encapsulation 43 that constitutes such as copper coin; The thickness of this copper coin is for example 1-3mm; Also can adopt plastics, plasterboard or other suitable non-Heat Conduction Material maybe should encapsulate a part of 43 according to fabric structure or actual needs as the encapsulation 43 of foam copper and phase-change material.The supporting role of the foam copper of encapsulation within 43 can guarantee made brick, watt, board member has enough intensity.
Brick of the present invention as shown in Figure 4, watt, board member can adopt welding or the method for glueing joint is made.For example, in one embodiment, evenly be coated with solder(ing) paste at the inner surface of copper shell 43, foam copper 41 skewers of machine-shaping are gone into or are pressed in the housing 43 again, be packaged into one and be placed in the thermostatic oven, make foam copper 41 and copper coin housing 43 integrally welded through the pressurization of heating.Then, adopt high-vacuum apparatus that the foam copper device that is obtained is vacuumized, perfusion fluid phase-change material 42 seals it again after reaching the certain vacuum degree, thereby obtains the energy storage member that employing foam copper-phase-change material as shown in Figure 4 is made into.
In Fig. 5 (a)-Fig. 5 (c), the board-like energy storage device of label 54 expressions, 55 expression air-conditionings, 56 indication equipments, between 57 indication equipments, 58 expression Movable sunshade (heat insulation) plates.
Fig. 5 (a) and Fig. 5 (b) are respectively board-like foam copper-phase-change material energy storage device (energy storage plate) and embed building roof and wall this interior of building is carried out the thermoregulator schematic diagram that is provided with.Can be used for storing solar energy (phase-change material heat absorption fusing) daytime that is arranged on winter of this novelty, evening, phase-change material condensation heat release can improve indoor temperature; On daytime in summer, phase-change material can absorb the room air heat melts, reduce indoor temperature, but the cold of apotheca outer circulation at night moving air can be saved the energy that is used for room conditioning so greatly.
In being provided with shown in Fig. 5 (c), to be embedded in the inwall of heat insulation good building wall by the board-like energy storage device 54 that the energy storage member that foam copper-phase-change material of the present invention is made is formed, daytime, energy storage device 54 absorbs heat descended room temperature when being higher than the phase transition temperature of energy storage device 54 when indoor temperature; Night, energy storage device 54 release heat rose room temperature when being lower than phase transition temperature when room temperature.In the big area of day and night temperature, fluctuations in indoor temperature is reduced, strengthen residence comfort, save the power consumption of room air conditioner 55 simultaneously.
Foam copper-phase-change material combining structure also can be encapsulated in the cylindrical tube housing, makes the energy storage pipe component.As shown in Figure 6, in an embodiment of energy storage pipe component of the present invention, foam copper 61 and phase-change material 62 are encapsulated in the cylindrical shell 63.In a specific embodiment of the present invention, this cylindrical shell is copper shell preferably, and its thickness is for example 1-3mm; Also can adopt the part of the plastics of good heat conductivity as shell 63 or shell 63.The preparation method of this energy storage pipe component is identical with the preparation method of making as shown in Figure 4 brick, watt member.For example, adopting under the situation of copper pipe as encapsulating housing, can coat solder(ing) paste at the copper pipe inwall earlier, foam copper 61 is squeezed into cylindrical copper pipe, be placed in the thermostatic oven again and heat, make foam copper 61 and cylindrical, copper shell 63 integrally welded, and then adopt vavuum pump that it is vacuumized, reach perfusion fluid phase-change material 62 behind the certain vacuum degree, and seal.
Fig. 7 has represented to adopt between a typical communication apparatus of energy storage pipe component 74 of the present invention 77 temperature control system, wherein, label 74 expression energy storage pipe components, 75 expression airconditions, 76 indication equipments, between 77 indication equipments, 78 expression tilted supporters, 79 expression fans, 710 expression heat-insulating buildings.Lost efficacy or the refrigerating capacity of aircondition 75 when not enough at the aircondition 75 of equipment room, foam copper-phase-change material energy storage the pipe component 74 that is installed on the equipment 76 top bearing diagonal framves begins the fusing heat absorption, thereby can accurately control indoor temperature near the fusion temperature of phase-change material, and can save the power consumption of aircondition 75.
Also 77 temperature control principle between communication apparatus shown in Figure 7 can be used for (as between constant temperature workshop, computer and laboratory etc.) between public place (as library, office building and market etc.) and miscellaneous equipment.As being that foam copper-phase-change material energy storage pipe support of 25 ℃ is placed on indoor suitable place with fusion temperature, keep indoor temperature at 25 ℃ by phase-change material fusing heat absorption (being equivalent to store solar thermal energy) by day; Descend because of temperature to night, the building release heat, phase-change material can be cooled to below 25 ℃, and will solidify and discharge latent heat of phase change, and latent heat of solidification can stop indoor temperature to descend, and plays the effect of stablizing temperature in office or the room like this.Be that this foam copper-phase-change material energy storage pipe has the self adaptation temperature adjustment function.As everyone knows, cool breeze that the air-conditioning room air conditioner directly blows out and air-conditioner operation noise can make the people feel very ill, and the self adaptation temperature adjustment function that utilizes the energy storage pipe solves office and room air temperature is regulated problem, can improve indoor accuracy of temperature control and comfort level, reduce temperature fluctuation, can reach energy-conservation again and reduce the effect of air conditioner influence of noise time, this is simple a, very attractive and the air-conditioning solution of the novelty of broad prospect of application is arranged beyond doubt.
Also energy storage pipe component 84 can be concentrated and be placed in a special heat accumulation (cold) chamber 88, as shown in Figure 8.In Fig. 8, label 84 expression energy storage pipe components, 85 expression airconditions, 86 indication equipments, between 87 indication equipments, expression heat accumulation (cold) chambers 88,89 expression fans, 810 expression heat-insulating buildings, 811 expression circulating fans, 812 expression temperature controllers, 813 expression insulated wall.This heat accumulation (cold) chamber 88 can be used for industrial waste heat reclaims, and also can be used for aircondition 85 (as the central air-conditioning) electric power " peak load shifting " of building.For example: in the low power consumption time in winter (as night), by the energising heating, make the phase-change material fusing of the energy storage pipe component in heat accumulation (cold) chamber 88, and peak of power consumption time (as working by day the time), the phase-change material of the energy storage pipe component 84 in heat accumulation (cold) chamber 88 solidifies release latent heat, by the ringing of fan 89, can make workplace 87 interior air be heated and maintain in the allowable temperature scope.Mechanism is just in time opposite in heat accumulation in summer (cold) chamber, pass through the ringing of fan 89 by day, can make the hot-air in the workplace 87 enter heat accumulation (cold) chamber 88 and be cooled (phase-change material fusing heat absorption), can be at night by introducing the indoor and outdoor cold air, or, the phase-change material in heat accumulation (cold) chamber 88 is solidified by aircondition 85 refrigeration.Like this, heat accumulation (cold) chamber 88 can be alleviated the power consumption of aircondition 85 at peak Elapsed Time greatly.
In one embodiment of the invention, energy storage pipe (plate) embed the floor and and solar water heater be used in combination the high-efficiency multi-function device of formation indoor heating, refrigeration and hot-water supply.The schematic diagram of such multi-function device as shown in Figure 9.In Fig. 9, label 94 expression energy storage pipes (plate), 95 expression solar water heaters, 96 expression heat exchange heat preservation storage water tank, 97 expression shower, 98 expression kitchen hot water, 99 representation module water-supply-pipes, 910 representation module water-delivery pumps, 911 expression heat collector water-delivery pumps, 912 expression heat collector water-supply-pipes, 913 expression non-heating season hot water electricity concurrent heatings.Energy storage pipe (plate) 94 is laid in underfloor.In the winter time, the hot water that is installed in roof or the outdoor solar water heater 95 is transported under the floor through conduit (and/or heat exchange heat preservation storage water tank 96), the energy storage pipe (plate) 94 of flowing through, make the phase-change material fusing in the energy storage pipe (plate) 94, and the thermal energy storage of hot water got up, when indoor temperature was lower than phase-change material fusion temperature (as 23 ℃), it was indoor heating that energy storage pipe (plate) will discharge heat energy.
Can cut off the delivering hot water to underfloor pipeline by the gauge tap (not shown) summer when not needing to carry out heating, solar water heater can be brought into play the function of conventional hot-water supply like this.
Figure 10 (a) has shown a kind of energy storage pipe combination heating floor module 104 that the water delivery conduit is combined into one with energy storage device of the device that can be used for Fig. 9; Label 104 representation modules wherein, 101 expression foam coppers, 102 expression phase-change materials, pipe in 106 expressions, 107 expression outer tubes.Pipe 106 can be used for by hot water in the copper of this energy storage pipe 105 (its structure is seen Figure 10 (b)), is provided with foam copper 101-phase-change material 102 between pipe 106 and the copper outer tube 107 in copper.Interior pipe and outer tube also can adopt the metal material of aluminium and other good heat conductivity to make, the two ends of interior pipe 106 are furnished with the standard pipe thread jointing, by the floor heating module 104 that a plurality of this form energy storage pipes 105 are formed, has flexible, the easy advantage of installation.
As a same reason, carry out Chu Leng with cold water by energy storage pipe (plate), also can reach same temperature retention time, really accomplish cool in summer and warm in winterly, the energy-saving efficiency of building is improved greatly in summer.
Multifunction system has the efficiency height, operating cost is low, installation is easy, Environmental Safety, long service life and only need advantage such as seldom maintenance.Flexible, convenient, the reliable and economy of multifunction system makes it can be widely used in various new, old building such as dwelling house, market and industry.
In addition, as some embodiments of the present invention, foam copper-phase-change material energy storage member can also play a significant role in other extensive fields, and these fields comprise:
Transportation insulation (constant temperature) control of ■ serum (slurry), vaccine and other biological products comprises constant temperature transport vehicle, ship, case, bag;
The temperature control of communication conversion equipment, radar and other monitoring and implement that ■ is outdoor or open-air;
Some military posts of ■, the long-term and interim work station of geological prospecting and other field work, the adjustment and the control of the observation station of aspects such as astronomy, meteorology, earthquake etc.;
The high density of ■ Aero-Space and other high-tech area a middle or short term or interruption work, the heat radiation of high-power electronic device.
Claims (9)
1. energy storage member is characterized in that comprising:
The encapsulation of heat conduction (43,63,106,107); And
Be arranged on the foam copper-phase-change material device within the described encapsulation, described foam copper-phase-change material device comprises:
Foam copper (41,61,101), and
Be filled in the phase-change material (42,62,102) in the described foam copper.
2. according to the energy storage member of claim, at least a portion of wherein said encapsulation is a copper coin.
3. according to the energy storage member of claim 2, it is characterized in that welding together with soldering processes between described copper coin and the described foam copper.
4. according to the energy storage member of claim 2, it is characterized in that bonding together with heat-conducting glue between described copper coin and the described foam copper.
5. according to the energy storage member of claim, the part of wherein said encapsulation is non-Heat Conduction Material.
6. room temperature regulation device comprises:
Solar thermal collector, the solar energy heating that is used to utilize it to absorb flows through its water;
A heat exchange heat preservation storage water tank;
The heat collector water-supply-pipe, it has constituted closed circuit between described heat exchange heat preservation storage water tank and described solar thermal collector for heated water in described solar thermal collector;
It is characterized in that further comprising:
A foam copper-phase-change material apparatus module (104), this module comprises at least one energy storage member, this energy storage component comprises:
The encapsulation of heat conduction (43,63,106,107); And
Be arranged on the foam copper-phase-change material device within the described encapsulation, described foam copper-phase-change material device comprises:
Foam copper (41,61,101), and
Be filled in the phase-change material (42,62,102) in the described foam copper,
Water in the wherein said heat exchange heat preservation storage water tank is by a root module water-supply-pipe described foam copper-phase-change material apparatus module of flowing through.
7. according to the room temperature regulation device of claim 6, wherein said energy storage member comprises:
Pipe (106) in the heat conduction,
Heat conduction outer tube (107)
Be encapsulated in the foam copper 101 and the phase-change material (102) of managing in the heat conduction between (106) and the heat conduction outer tube (107),
The water of the described module water-supply-pipe of process is managed (106) in described heat conduction and is flow through.
8. according to the room temperature regulation device of claim 7, pipe (106) and heat conduction outer tube (107) all are copper pipes in the wherein said heat conduction.
9. according to the room temperature regulation device of claim 7, pipe (106) and heat conduction outer tube (107) all are aluminum pipes in the wherein said heat conduction.
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| CNU2007201744813U CN201107006Y (en) | 2007-09-28 | 2007-09-28 | Foam copper-phase-changing material accumulated energy element and temperature control device using the same |
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| CNU2007201744813U CN201107006Y (en) | 2007-09-28 | 2007-09-28 | Foam copper-phase-changing material accumulated energy element and temperature control device using the same |
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| ITBS20090142A1 (en) * | 2009-07-30 | 2011-01-31 | Uni Degli Studi Brescia | SOUL AND THERMOREGULATOR PANEL FOR THE IMPLEMENTATION AND / OR SCREENING OF STRUCTURAL ELEMENTS, IN PARTICULAR OF MACHINING MACHINES, CONTROL OR MEASUREMENT |
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