CN101832001A - Self-temperature-adjusting phase-change energy storage plate - Google Patents
Self-temperature-adjusting phase-change energy storage plate Download PDFInfo
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- CN101832001A CN101832001A CN 201010140496 CN201010140496A CN101832001A CN 101832001 A CN101832001 A CN 101832001A CN 201010140496 CN201010140496 CN 201010140496 CN 201010140496 A CN201010140496 A CN 201010140496A CN 101832001 A CN101832001 A CN 101832001A
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Abstract
The invention belongs to the field of building materials, relates to a building or decoration plate with the functions of energy storage, heat insulation and automatic indoor temperature adjustment, and particularly discloses a self-temperature-adjusting phase-change energy storage plate. The utility model provides a self-temperature-regulating phase change energy storage plate, includes the honeycomb panel, the honeycomb panel includes bottom plate, high thermal conductivity's panel and presss from both sides the honeycomb sandwich layer that belongs to more between panel and bottom plate, sealed bonding between panel, bottom plate and the honeycomb sandwich layer forms a plurality of independent sealed phase change units each other in the honeycomb panel, the phase change unit intussuseption is filled with phase change material. The beneficial effects of the invention are as follows: the honeycomb plate has the original advantages of the honeycomb plate, and meanwhile, the phase change material can be effectively packaged, so that the durability of the phase change material is improved; the high heat conductivity of the metal honeycomb core layer and the panel can be utilized, so that the phase change material can rapidly exchange heat with the external environment, the utilization efficiency of phase change heat is improved, and the honeycomb structure is simple to process and low in cost.
Description
Technical field
The invention belongs to building material field, relate to a kind of have energy storage, constant temperature function, the building or the decorative boards of temperature action in the conditioning chamber specifically disclose a kind of self temperature regulating phase-change energy storage plate automatically.
Background technology
The environmental protection society of low-carbon type is the main flow of our times development.At building field, select energy-saving material for use with heat insulation effect, for keeping the constant of temperature in the building, promote energy-saving and emission-reduction, the protection environment has important function.But traditional heat insulating material, its heat capacity is lower, can only can not transform energy by the mode energy storage of sensible heat, therefore, is a kind of power save mode of passive type.How on the basis that ensures heat insulating effect, relying on the performance of architecture-self to adjust interior temperature automatically, reduce heating and air conditioning energy consumption, is the effective way that further improves energy-saving effect.
The phase-change accumulation energy constructional materials is made of phase change material (PCMs) and building charge material matrix, has excellent energy storage and releasability; Compare the common building heat insulating material, have higher heat capacity and thermal inertia.When phase change material microenvironment temperature of living in was lower than transformation temperature, phase change material was condensed into solid-state by liquid state, formed heat release; When phase change material microenvironment temperature of living in was higher than transformation temperature, phase change material formed heat absorption by the solid-state liquid state that is molten into.By storing of this energy, reach the maintenance room temperature, the purpose of energy-saving and emission-reduction.
At present, the method that phase change energy storage technology is applied to building energy saving field has two kinds, a kind of is that phase change material is combined with heat insulating material, utilize suction, the exothermic character of phase change material, intercept flowing of hot-fluid, play the effect of additional " thermal resistance ", increase the thermal inertia of heat insulating material simultaneously, and realize incubation and thermal insulation function jointly with heat insulating material; Another kind is to have made full use of the phase change material sensitiveness of variation of ambient temperature to external world, when using it for indoor environment, the variation of indoor environment temperature will trigger phase change material and undergo phase transition, thereby absorb heat to the environment heat release or from environment, play the temperature damping action, reach the purpose of automatic adjusting interior temperature.Before a kind of method since the restriction of the position of using and environment for use, make the reversible process of phase change material be restricted, thereby influenced its actual energy-saving effect; Then a kind of method, owing to directly apply to the interior space, by choosing of transformation temperature, can in long use, keep the reversibility of phase transition process, by this regulating action, can slow down the fluctuation of interior temperature, prolong the retention time of indoor comfort temperature, thereby reduce air-conditioning or heating system number of run, play automatic adjusting interior temperature, the purpose that cuts down the consumption of energy.Therefore, this kind method has more application prospect in building energy saving field.
The phase-change accumulation energy material is used as the automatic temperature-control material, removes and should solve present ubiquitous leakage problems, also must solve the key issues such as utilization rate problem, durability and applicability of the heat of transformation simultaneously:
1, the leakage problems of phase change material.During phase change material generation solid-liquid phase change, usually the seepage phenomenon can take place, and then the effusion matrix material, surrounding air environment polluted.At present, the normal method that adopts is the phase change cells method, promptly utilizes encapsulation technologies such as microcapsules technology, packaging technique, sol-gel technique or porous mass absorption, prepares phase-change energy-storage units earlier, and then this element is applied in the common building materials goes.Yet said method has only solved the infiltration problem of phase-change energy-storage units body, but can not avoid the phase change cells body with common building materials, particularly when mixing, because of breaking that wearing and tearing cause with cement mortar; Simultaneously, when phase-change energy-storage units is introduced common building materials, also can produce many adverse effects to the mechanical property of composite material.
2, the utilization rate problem of the heat of transformation.At present the phase change material that uses in building energy saving field is generally organic phase change material, and self coefficient of thermal conductivity is lower, makes that phase-change material is inhaled, rate of heat release is slower, and the utilization rate of the heat of transformation reduces greatly; Particularly adopt the influence of the energy-storage composite material that canned method obtains particularly evident to some; In addition, the wall material in some encapsulating materials such as the phase-change microcapsule is generally high-molecular organic material, and coefficient of thermal conductivity is lower, can form additional thermal resistance, is unfavorable for conducting heat, and greatly reduces the utilization rate of the heat of transformation equally.Often adopts at present the powder that adds high thermal conductivity in phase-change material, for example Al powder, C powder etc. improve the thermal conductivity of system, yet this method exist the powder because of adding that sedimentation easily takes place, thereby influence shortcomings such as thermal conductivity and increase cost.
3, the durability of phase-change accumulation energy constructional materials and applicability problem.
At present, the phase-change accumulation energy constructional materials that uses methods such as microcapsules technology, packaging technique, sol-gel technique or porous mass adsorption technology to obtain, phase-change energy-storage mortar for example, in long-term use, encapsulating material also can lose original function because of reasons such as degraded, aging or breakages, therefore exist phase change material to pass through encapsulating material, to the risk of external migration; The energy-storage composite material that utilizes canned method to obtain more in addition, very poor with the compatibility of common building materials, the mounting process complexity.
Summary of the invention
The objective of the invention is defective, provide a kind of effective encapsulation, efficiency of utilization height, self temperature regulating phase-change energy storage plate durable in use, easy to use, with low cost at above-mentioned existing technology.
The technical scheme taked of the present invention is to achieve these goals: self temperature regulating phase-change energy storage plate, comprise cellular board, described cellular board comprise base plate, the high thermal conductivity of high permeability resistant panel, be clipped in the metal beehive sandwich layer between panel and the base plate, described base plate and seal bond between plate and the honeycomb sandwich layer, in cellular board, form the phase change cells of some sealings independently of one another, all or part of phase-changing energy storage material that is filled with in the described phase change cells.
Described phase-changing energy storage material is phase-change accumulation energy material or composite phase-change energy storage material.
The transformation temperature of described phase-changing energy storage material is 16～30 degrees centigrade.
Described phase-change accumulation energy material is the mixture of organic phase-change ergastic substances, inorganic-phase variable ergastic substances or organic phase-change ergastic substances and inorganic-phase variable ergastic substances.
Described organic phase-change ergastic substances is paraffin, carboxylic acid, ester or polyalcohol, and described inorganic-phase variable ergastic substances is a crystalline hydrate salt.
Described composite phase-change energy storage material is the compound that described phase-change accumulation energy material and porous inorganic particulate are compounded to form.
Described panel is aluminium sheet, corrosion resistant plate, color steel or stone material plate.
Described base plate is aluminium sheet, corrosion resistant plate, color steel, Aluminiumplastic composite panel or the macromolecule sheet material with high permeability resistant.
Described macromolecule sheet material comprises melamine plate, polyvinyl chloride (PVC) plastic plate, poly (methyl methacrylate) plate or polycarbonate plate.
Described honeycomb sandwich layer is the aluminium honeycomb core layer.
Compared with prior art, beneficial effect of the present invention shows as:
1, the present invention, is filled into phase-change material in the honeycomb of cellular board and makes as carrier with original cellular board, and encapsulation is convenient, and processing is simple, and is with low cost, do not influence the function of use of cellular board simultaneously;
2, honeycomb sandwich layer of the present invention, has high thermal conductivity, it is divided into numerous smaller units bodies by network structure with phase change material in cellular board, these cell cubes are actually numerous independently little radiators, each radiator, the heat of transformation can be delivered to surface material fast, and carry out exchange heat by the surface material and the environment of high-termal conductivity, quickened the suction of phase-change material jointly, rate of heat release, the transformation rate and the heat utilization efficiency of phase-change material have effectively been improved, thereby slow down the fluctuation of interior temperature, prolong the retention time of indoor comfort temperature, reduce air-conditioning or heating system number of run, play automatic adjusting interior temperature, the purpose that cuts down the consumption of energy.
3, base plate of the present invention and panel are metal, stone material or macromolecule sheet material, have excellent impermeability, can effectively stop infiltration and the migration of phase change material in long-term use, ensure the safety of IAQ (indoor air quality).
4, the present invention has the original intensity height of cellular board, big, the Stability Analysis of Structures of rigidity simultaneously; Sound insulation, heat insulation, fire prevention, shockproof function are outstanding; Outward appearance is straight, color is various, elegance is bright and clean, durable in use; Ornamental strong, advantage such as easy for installation, quick can be used as construction hanging board or decoration, especially is suitable for furred ceiling, floor and the inner wall decoration of interior decoration.
Description of drawings
Fig. 1 is the structural representation of self temperature regulating phase-change energy storage plate;
Fig. 2 is the structural representation of the cross section of honeycomb sandwich layer.
The positive six prismatic phase change cells of 1-panel 2-base plate 3-honeycomb sandwich layer 4-phase change cells 5-.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Self temperature regulating phase-change energy storage plate is made up of cellular board and the phase-change material in the phase change cells that is filled in cellular board.Cellular board by panel 1, the base plate 2 of high thermal conductivity and be clipped in panel 1 and base plate 2 between honeycomb sandwich layer 3 form, seal bond between panel 1, base plate 2 and the honeycomb sandwich layer 3 forms the phase change cells 4 of some sealings independently of one another in cellular board.Fill the row phase-changing energy storage material in the phase change cells 4, phase-changing energy storage material comprises the phase-change accumulation energy materials such as mixture of organic phase-change accumulation energy material, inorganic-phase variable ergastic substances or organic phase-change ergastic substances and inorganic-phase variable ergastic substances; Also comprise the composite phase-change energy storage material that phase-change accumulation energy material and porous inorganic particulate are compounded to form.The organic phase-change ergastic substances is generally selected for use and is organic compounds such as paraffin, carboxylic acid, ester, polyalcohol, and the inorganic-phase variable material is generally selected for use and is the crystalline hydrate salts substances, as Na
2SO
410H
2O, CaCl
26H
2O etc.The transformation temperature of selected phase-changing energy storage material should be between 16～30 degrees centigrade, preferably between 18～25 degrees centigrade.Panel 1 is preferably the material of high thermal conductivities such as aluminium sheet, corrosion resistant plate, color steel, stone material plate or high thermal conductivity, base plate 2 can be selected the high permeability resistant material for use according to the building needs, the capable high permeability resistant sheet material of tool is generally selected aluminium sheet, corrosion resistant plate, color steel, Aluminiumplastic composite panel or macromolecule sheet material, and macromolecule sheet material comprises melamine plate, polyvinyl chloride (PVC) plastic plate, poly (methyl methacrylate) plate or polycarbonate plate etc.The honeycomb sandwich layer is preferably the aluminium honeycomb core layer.The thickness of panel 1 and base plate 2 can be according to the requirement adjustment of use occasion, and its thickness is generally 0.5～2mm, and panel is slightly thicker than base plate.Phase change cells is preferably positive hexagon 5, advantages such as positive hexagon is easy to fold, flexible and processing.
Processing of the present invention is very simple, and only need adjust slightly in the manufacturing procedure of original cellular board gets final product.Specific practice is: honeycomb sandwich layer 3 sealings with moulding earlier are bonded on the base plate 2, fill phase-changing energy storage material then in phase change cells, panel 1 are covered again, and seal bonding getting final product with honeycomb sandwich layer 3.From manufacturing procedure as can be seen, the present invention adds corresponding phase-change material in the cellular unit of original cellular board, make panel 1, base plate 2 realize bonding the getting final product of sealing simultaneously with honeycomb sandwich layer 3, so easy making process, with low cost, but the adding of phase-change material makes cellular board can effectively utilize the performance of phase-change material phase-change accumulation energy, play the effect of building being regulated automatically temperature, overcome many shortcomings of utilizing phase-change material energy storage insulation in the prior art.The present invention prepares simply, and is practical, effective, has fabulous market application foreground.
The present invention when use installing, preferably with panel 1 towards indoor direction, so that from the covert energy storage plate of temperature adjustment and indoorly carry out interchange of heat.The present invention can be used as construction hanging board or decoration, especially is suitable for furred ceiling, floor and the inner wall decoration of interior decoration.
Above-described embodiment, the present invention specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (10)
1. self temperature regulating phase-change energy storage plate, comprise cellular board, described cellular board comprise the panel of base plate, high thermal conductivity and be clipped in panel and base plate between the metal beehive sandwich layer, it is characterized in that: seal bond between described base plate, panel and the honeycomb sandwich layer, in cellular board, form the phase change cells of some sealings independently of one another, all or part of phase-changing energy storage material that is filled with in the described phase change cells.
2. self temperature regulating phase-change energy storage plate according to claim 1 is characterized in that: described phase-changing energy storage material is phase-change accumulation energy material or composite phase-change energy storage material.
3. self temperature regulating phase-change energy storage plate according to claim 1 is characterized in that: the transformation temperature of described phase-changing energy storage material is 16～30 degrees centigrade.
4. self temperature regulating phase-change energy storage plate according to claim 1 is characterized in that: described panel is aluminium sheet, corrosion resistant plate, color steel or stone material plate.
5. self temperature regulating phase-change energy storage plate according to claim 1 is characterized in that: described sole is aluminium sheet, corrosion resistant plate, color steel, Aluminiumplastic composite panel or the macromolecule sheet material with high permeability resistant.
6. self temperature regulating phase-change energy storage plate according to claim 1 is characterized in that: described honeycomb sandwich layer is the aluminium honeycomb core layer.
7. self temperature regulating phase-change energy storage plate according to claim 2 is characterized in that: described phase-change accumulation energy material is the mixture of organic phase-change ergastic substances, inorganic-phase variable ergastic substances or organic phase-change ergastic substances and inorganic-phase variable ergastic substances.
8. self temperature regulating phase-change energy storage plate according to claim 2 is characterized in that: described composite phase-change energy storage material is the compound that described phase-change accumulation energy material and porous inorganic particulate are compounded to form.
9. self temperature regulating phase-change energy storage plate according to claim 5 is characterized in that: described macromolecule sheet material comprises melamine plate, polyvinyl chloride (PVC) plastic plate, poly (methyl methacrylate) plate or polycarbonate plate.
10. self temperature regulating phase-change energy storage plate according to claim 7 is characterized in that: described organic phase-change ergastic substances is paraffin, carboxylic acid, ester or polyalcohol, and described inorganic-phase variable ergastic substances is a crystalline hydrate salt.
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| CN102677860A (en) * | 2011-03-10 | 2012-09-19 | 中国建筑材料科学研究总院 | Phase change energy storage temperature regulation energy-saving floor |
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