JP7077034B2 - Heat storage material - Google Patents

Heat storage material Download PDF

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JP7077034B2
JP7077034B2 JP2018018127A JP2018018127A JP7077034B2 JP 7077034 B2 JP7077034 B2 JP 7077034B2 JP 2018018127 A JP2018018127 A JP 2018018127A JP 2018018127 A JP2018018127 A JP 2018018127A JP 7077034 B2 JP7077034 B2 JP 7077034B2
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heat storage
storage material
container
heat
substance
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JP2019135425A (en
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治樹 酒寄
鉄也 山口
直達 矢野
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三光ライト工業株式会社
株式会社ヤノ技研
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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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Description

この発明は蓄熱資材に係り、特に、昼間に太陽熱を蓄積しておき、夜間にこれを放出する機能を備えた蓄熱資材に関する。 The present invention relates to a heat storage material, and more particularly to a heat storage material having a function of storing solar heat in the daytime and releasing it at night.

この種の蓄熱資材に関しては、すでに数々の先行例が存在しており、例えば特許文献１及び２においては、対向配置された一対の面部材よりなる扁平形状のカプセル容器本体内に、塩化カルシウム水和物と水との混合物よりなる蓄熱物質を収納した蓄熱カプセルが開示されている。
このような蓄熱カプセルを多数用意し、ボルト等を介して相互に連結したものを温室に配置しておくことにより、昼間は太陽熱を吸収して温室内温度が過昇温することを防止できると共に、夜間には昼間の中に吸熱・蓄熱しておいた太陽熱を放出することにより、加温燃料費を節約することができる。 There are already many prior examples of this type of heat storage material. For example, in Patent Documents 1 and 2, calcium chloride water is contained in a flat capsule container body composed of a pair of face members arranged to face each other. A heat storage capsule containing a heat storage substance composed of a mixture of Japanese and water is disclosed.
By preparing a large number of such heat storage capsules and arranging them connected to each other via bolts or the like in the greenhouse, it is possible to absorb the solar heat during the daytime and prevent the temperature inside the greenhouse from overheating. By releasing the solar heat that has been absorbed and stored during the daytime at night, the heating fuel cost can be saved.

特開２００５－３４５０８１号公報Japanese Unexamined Patent Publication No. 2005-34581 特開２００７－１４７１６５号公報Japanese Unexamined Patent Publication No. 2007-147165

このような蓄熱資材には貫通孔が設けられており、フックに引っ掛けたり、ボルトやワイヤ等を介して相互に連結したりすることにより、比較的広い温室内に多数の蓄熱資材を効率的に配置することができるように工夫されている。
しかしながら、個々の蓄熱資材の蓄熱効率を向上させることができれば、設置個数を徒に増やすことなく、さらなる加熱燃料費の節約が可能となる。
この発明は、このような視点に立ち、既存の蓄熱資材の蓄熱効率を向上させ得る技術の実現を目的として案出された。 Such heat storage materials are provided with through holes, and by hooking them on hooks or connecting them to each other via bolts, wires, etc., a large number of heat storage materials can be efficiently stored in a relatively large greenhouse. It is devised so that it can be placed.
However, if the heat storage efficiency of each heat storage material can be improved, it is possible to further save the heating fuel cost without increasing the number of installations.
From this point of view, the present invention was devised for the purpose of realizing a technique capable of improving the heat storage efficiency of existing heat storage materials.

すなわち、請求項１に記載した蓄熱資材は、容器内に蓄熱物質を封入した蓄熱資材であって、上記容器の表面に、近赤外線吸収物質を配置したことを特徴としている。 That is, the heat storage material according to claim 1 is a heat storage material in which a heat storage substance is enclosed in a container, and is characterized in that a near infrared ray absorbing substance is arranged on the surface of the container.

また、請求項２に記載した蓄熱資材は、請求項１の蓄熱資材であって、上記近赤外線吸収物質が、フタロシアニンを含有するものであることを特徴としている。 The heat storage material according to claim 2 is the heat storage material according to claim 1, and is characterized in that the near-infrared absorbing substance contains phthalocyanine.

請求項３に記載した蓄熱資材は、請求項１または２の蓄熱資材であって、上記容器の表面に、近赤外線吸収物質を混練した樹脂フィルムをラッピングしたことを特徴としている。 The heat storage material according to claim 3 is the heat storage material according to claim 1 or 2, characterized in that a resin film kneaded with a near-infrared absorbing substance is wrapped around the surface of the container.

請求項４に記載した蓄熱資材は、請求項１または２の蓄熱資材であって、上記容器の表面に、近赤外線吸収物質を含む塗料を塗布した樹脂フィルムをラッピングしたことを特徴としている。 The heat storage material according to claim 4 is the heat storage material according to claim 1 or 2, characterized in that a resin film coated with a paint containing a near-infrared absorbing substance is wrapped around the surface of the container.

請求項５に記載した蓄熱資材は、請求項１または２の蓄熱資材であって、上記容器の表面に、近赤外線吸収物質を含む塗料を塗布したことを特徴としている。 The heat storage material according to claim 5 is the heat storage material according to claim 1 or 2, characterized in that a paint containing a near-infrared absorbing substance is applied to the surface of the container.

請求項６に記載した蓄熱資材は、請求項１または２の蓄熱資材であって、上記容器の表面に、近赤外線吸収物質を混練した樹脂材よりなるジャケットを装着したことを特徴としている。 The heat storage material according to claim 6 is the heat storage material according to claim 1 or 2, characterized in that a jacket made of a resin material kneaded with a near-infrared absorbing substance is attached to the surface of the container.

請求項７に記載した蓄熱資材は、請求項１～６の蓄熱資材であって、上記容器の表面の一部に、植物育成用の発光色素を含む物質を配置したことを特徴としている。 The heat storage material according to claim 7 is the heat storage material according to claims 1 to 6, characterized in that a substance containing a luminescent dye for plant growth is arranged on a part of the surface of the container.

この発明に係る蓄熱資材の場合、蓄熱資材の容器の表面にフタロシアニン等の近赤外線吸収物質を配置しているため、昼間には近赤外線吸収物質が太陽熱を効率的に吸収し、容器内の蓄熱物質の温度も上昇する。この結果、夜間において高い温度で放熱することが可能となり、暖房の燃料消費量を大幅に抑制することができる。 In the case of the heat storage material according to the present invention, since the near-infrared absorbing substance such as phthalocyanine is arranged on the surface of the container of the heat storage material, the near-infrared absorbing substance efficiently absorbs the solar heat in the daytime and the heat storage in the container. The temperature of the substance also rises. As a result, heat can be dissipated at a high temperature at night, and the fuel consumption for heating can be significantly suppressed.

図１(a)は、この発明に係る蓄熱資材10の平面図であり、図１(b)は、そのＡ－Ａ断面図である。
この蓄熱資材10は、ポリエチレン等の合成樹脂よりなる比較的扁平な形状をした容器12内に、塩化カルシウム水和物と水との混合物等よりなる蓄熱物質14を充填してなる。 1 (a) is a plan view of the heat storage material 10 according to the present invention, and FIG. 1 (b) is a sectional view taken along the line AA.
The heat storage material 10 is formed by filling a container 12 having a relatively flat shape made of a synthetic resin such as polyethylene with a heat storage substance 14 made of a mixture of calcium chloride hydrate and water or the like.

容器12の前側面16には、蓄熱物質14を充填するための穴を塞ぐキャップ18が嵌装されている。
また、容器12の上面から下面に向けて複数の貫通孔20が形成されており、この貫通孔20にボルトやロープ、フック等を挿通することにより、他の蓄熱資材10や設置対象物との連結がなされる。 A cap 18 for closing a hole for filling the heat storage substance 14 is fitted on the front side surface 16 of the container 12.
Further, a plurality of through holes 20 are formed from the upper surface to the lower surface of the container 12, and by inserting bolts, ropes, hooks, etc. through the through holes 20, the heat storage material 10 and the object to be installed can be used. The connection is made.

容器12の上面には、矩形状凹部22が形成されている。
また容器12の上面には、表面積を広げる目的で複数本の波状凸部24が、相互に一定の間隔をおいて平行するように形成されている。 A rectangular recess 22 is formed on the upper surface of the container 12.
Further, on the upper surface of the container 12, a plurality of wavy convex portions 24 are formed so as to be parallel to each other at regular intervals for the purpose of increasing the surface area.

つぎに、この蓄熱資材10の表面に近赤外線吸収物質を配置させる方法について説明する。
まず、図２(a)に示すように、蓄熱資材10の容器12の表面に対し、コロナ放電を用いた粗面化処理を施す。 Next, a method of arranging a near-infrared absorbing substance on the surface of the heat storage material 10 will be described.
First, as shown in FIG. 2A, the surface of the container 12 of the heat storage material 10 is subjected to a roughening treatment using a corona discharge.

つぎに、図２(b)に示すように、容器12の上面及び下面に、吸熱フィルム34と接着シート36との積層体38を配置させ、図示しないラッピング装置を介して、加熱収縮及び真空吸引を用いたラッピング処理を施す。
この結果、容器12の上面、下面及び側面には、吸熱フィルム34が配置される。
上記のように、事前に容器12の表面に対してはコロナ放電による粗面化処理が施されているため、吸熱フィルム34との間で高い密着性が実現される。 Next, as shown in FIG. 2B, a laminate 38 of the endothermic film 34 and the adhesive sheet 36 is arranged on the upper surface and the lower surface of the container 12, and heat shrinkage and vacuum suction are performed via a wrapping device (not shown). The wrapping process using is performed.
As a result, the endothermic film 34 is arranged on the upper surface, the lower surface, and the side surface of the container 12.
As described above, since the surface of the container 12 is roughened by corona discharge in advance, high adhesion to the endothermic film 34 is realized.

上記の吸熱フィルム34は、例えば、ポリカーボネートシート30の裏面に、フタロシアニン等を含む近赤外線吸収色素塗料32を塗布したものよりなる。
ただし、適当な合成樹脂材にフタロシアニン等の近赤外線吸収色素を混練させた材料で吸熱フィルム34を形成することもできる。 The endothermic film 34 is made of, for example, a polycarbonate sheet 30 coated with a near-infrared absorbing dye paint 32 containing phthalocyanine or the like on the back surface.
However, the endothermic film 34 can also be formed by kneading a suitable synthetic resin material with a near-infrared absorbing dye such as phthalocyanine.

この吸熱フィルム34によってラッピングされた蓄熱資材10を温室内に設置しておくと、昼間には吸熱フィルム34の近赤外線吸収物質が太陽熱を効率的に吸収し、蓄熱資材10の表面温度を従来の蓄熱資材に比べて数％上昇させることが可能となる。
この結果、容器12内の蓄熱物質14の温度も上昇するため、その分、夜間において高い温度で放熱することが可能となり、暖房の燃料消費量を大幅に抑制することができる。 When the heat storage material 10 wrapped by the heat absorption film 34 is installed in the greenhouse, the near-infrared absorbing substance of the heat absorption film 34 efficiently absorbs the solar heat in the daytime, and the surface temperature of the heat storage material 10 is changed to the conventional one. It can be increased by several percent compared to heat storage materials.
As a result, the temperature of the heat storage substance 14 in the container 12 also rises, so that heat can be dissipated at a high temperature at night, and the fuel consumption for heating can be significantly suppressed.

図３は、容器12の表面に吸熱フィルム34をラッピングした蓄熱資材10（対策品）と、容器12の表面に吸熱フィルム34をラッピングしていない従来の蓄熱資材（未対策品）の表面温度を、時系列に沿って測定した結果を示すグラフである。
図示の通り、外気温の上昇に伴い、それぞれの表面温度は上昇していくが、日差しが強まる10時～15時の間において、対策品は未対策品に対して常に高い温度が記録されており、ピーク時には両者間に３℃以上の温度差が生じている。 FIG. 3 shows the surface temperatures of the heat storage material 10 (countermeasure product) in which the endothermic film 34 is wrapped on the surface of the container 12 and the conventional heat storage material (unmeasured product) in which the endothermic film 34 is not wrapped on the surface of the container 12. , It is a graph which shows the result of measurement along the time series.
As shown in the figure, the surface temperature of each rises as the outside air temperature rises, but the temperature of the countermeasure product is always higher than that of the unmeasured product between 10:00 and 15:00 when the sunlight is strong. At the peak, there is a temperature difference of 3 ° C or more between the two.

上記においては、容器12の上面及び下面の両方に吸熱フィルム34をラッピングする例を示したが、この発明はこれに限定されるものではない。
例えば、上面または下面の何れか一方については、吸熱フィルム34の代わりに、ポリカーボネートシートの裏面に植物育成用の発光色素塗料を塗布した光放射フィルムをラッピングするように構成してもよい。
この場合、吸熱フィルム34を配置した面に太陽光が当たり、反対面が栽培植物側に向くように蓄熱資材10を設置することにより、熱エネルギーの吸収率向上効果と植物育成の促進効果が同時に得られる。
上記の「発光色素塗料」は、例えば、ナノフタロシアニン系、金属錯体系、ホウ素錯体系の塗料が該当する。 In the above, an example of wrapping the endothermic film 34 on both the upper surface and the lower surface of the container 12 has been shown, but the present invention is not limited thereto.
For example, on either the upper surface or the lower surface, instead of the endothermic film 34, a light emitting film coated with a luminescent dye paint for growing plants may be wrapped on the back surface of the polycarbonate sheet.
In this case, by installing the heat storage material 10 so that the surface on which the endothermic film 34 is arranged is exposed to sunlight and the opposite surface faces the cultivated plant side, the effect of improving the absorption rate of heat energy and the effect of promoting plant growth are simultaneously achieved. can get.
The above-mentioned "luminescent dye paint" corresponds to, for example, nanophthalocyanine-based, metal complex-based, and boron complex-based paints.

図４は、この発明の他の実施形態として、蓄熱資材10の容器12の上面及び下面に、フタロシアニン等の近赤外線吸収色素を含む吸熱塗料40を吹き付け等よって直接塗布し、吸熱層を形成する例を示している。 As another embodiment of the present invention, FIG. 4 shows that the endothermic paint 40 containing a near-infrared absorbing dye such as phthalocyanine is directly applied to the upper surface and the lower surface of the container 12 of the heat storage material 10 by spraying or the like to form an endothermic layer. An example is shown.

この場合も上記と同様、容器12の表面には事前にコロナ放電を用いた表面粗面化処理が施されている。
また、上面または下面の何れか一方については、近赤外線吸収色素の代わりに植物育成用の発光色素を含む塗料を塗布するように構成してもよい。 In this case as well, the surface of the container 12 is previously subjected to a surface roughening treatment using corona discharge, as described above.
Further, either the upper surface or the lower surface may be configured to be coated with a paint containing a luminescent dye for growing plants instead of the near-infrared absorbing dye.

図５及び図６は、蓄熱資材10の表面に、吸熱ジャケット50を装着する様子を示す斜視図である。 5 and 6 are perspective views showing how the heat absorbing jacket 50 is attached to the surface of the heat storage material 10.

吸熱ジャケット50は、ポリカボネート等の合成樹脂材に、フタロシアニン等の近赤外線吸収色素を混練した素材よりなり、蓄熱資材10の上面を覆う面積及び形状を備えた平面部52と、蓄熱資材10の前側面16及び後側面53に係合される４つの湾曲爪部54を備えている。 The heat absorption jacket 50 is made of a material obtained by kneading a synthetic resin material such as polycarbonate with a near-infrared absorbing dye such as phthalocyanine, and has a flat surface portion 52 having an area and a shape covering the upper surface of the heat storage material 10 and a front surface of the heat storage material 10. It comprises four curved claws 54 that engage the side surface 16 and the rear side surface 53.

吸熱ジャケット50の平面部52には、蓄熱資材10の上面に形成された矩形状凹部22に対応する矩形状凸部55と、波状凸部24に対応する複数の波状凹部56が形成されている。
また吸熱ジャケット50の平面部52には、蓄熱資材10に形成された貫通孔20と連通する複数の貫通孔58が形成されている。 The flat surface portion 52 of the heat absorbing jacket 50 is formed with a rectangular convex portion 55 corresponding to the rectangular concave portion 22 formed on the upper surface of the heat storage material 10 and a plurality of wavy concave portions 56 corresponding to the wavy convex portion 24. ..
Further, a plurality of through holes 58 communicating with the through holes 20 formed in the heat storage material 10 are formed in the flat surface portion 52 of the heat absorption jacket 50.

この吸熱ジャケット50の各湾曲爪部54を、蓄熱資材10の前側面16及び後側面53に係合することにより、図６に示すように、吸熱ジャケット50は蓄熱資材10の上面に装着される。
図示は省略したが、吸熱ジャケット50の平面部52と、蓄熱資材10の上面との間には適当な接着剤が塗布されているため、両者間の密着性が確保されている。 By engaging each curved claw portion 54 of the heat absorbing jacket 50 with the front side surface 16 and the rear side surface 53 of the heat storage material 10, the heat absorbing jacket 50 is mounted on the upper surface of the heat storage material 10 as shown in FIG. ..
Although not shown, an appropriate adhesive is applied between the flat surface portion 52 of the endothermic jacket 50 and the upper surface of the heat storage material 10, so that the adhesion between the two is ensured.

この発明に係る蓄熱資材を示す平面図及び断面図である。It is a plan view and a sectional view which shows the heat storage material which concerns on this invention. 蓄熱資材の表面に近赤外線吸収物質を塗布した吸熱フィルムをラッピングする例を示す断面図である。It is sectional drawing which shows the example of wrapping the endothermic film which coated the near infrared ray absorbing substance on the surface of the heat storage material. この発明に係る蓄熱資材の効果を示すグラフである。It is a graph which shows the effect of the heat storage material which concerns on this invention. 蓄熱資材の表面に近赤外線吸収物質を直に塗布する例を示す断面図である。It is sectional drawing which shows the example which applies the near infrared ray absorbing substance directly to the surface of a heat storage material. 蓄熱資材の表面に近赤外線吸収物質を含有する吸熱ジャケットを装着する様子を示す斜視図である。It is a perspective view which shows the appearance of attaching the endothermic jacket containing the near infrared ray absorbing substance to the surface of the heat storage material. 蓄熱資材の表面に近赤外線吸収物質を含有する吸熱ジャケットを装着した状態を示す斜視図である。It is a perspective view which shows the state which attached the endothermic jacket containing the near infrared ray absorbing substance to the surface of the heat storage material.

10 蓄熱資材
12 容器
14 蓄熱物質
16 容器の前側面
18 キャップ
20 貫通孔
22 矩形状凹部
24 波状凸部
30 ポリカーボネートシート
32 近赤外線吸収色素塗料
34 吸熱フィルム
36 接着シート
38 積層体
40 吸熱塗料
50 吸熱ジャケット
52 平面部
53 容器の後側面
54 湾曲爪部
55 矩形状凹部
56 波状凹部
58 貫通孔 10 Heat storage material
12 container
14 Thermal storage substance
16 Front side of container
18 cap
20 through hole
22 Rectangular recess
24 Wavy convex part
30 Polycarbonate sheet
32 Near infrared absorption pigment paint
34 Endothermic film
36 Adhesive sheet
38 Laminate
40 Endothermic paint
50 endothermic jacket
52 Plane part
53 Rear side of the container
54 Curved claws
55 Rectangular recess
56 Wavy recess
58 Through hole

Claims (2)

容器内に蓄熱物質を封入した蓄熱資材であって、
上記容器の表面には、表面積を広げるための複数本の波状凸部が形成されており、
予め粗面化処理が施された上記容器の上面または下面の何れか一方の面に、近赤外線吸収物質を含む吸熱フィルムと接着シートの積層体が、ラッピング処理によって密着配置されると共に、他方の面には植物育成用の発光色素塗料を塗布した光放射フィルムがラッピングされていることを特徴とする蓄熱資材。 It is a heat storage material in which a heat storage substance is enclosed in a container.
A plurality of wavy protrusions for increasing the surface area are formed on the surface of the container.
A laminate of a heat-absorbing film containing a near-infrared absorbing substance and an adhesive sheet is closely arranged by a wrapping treatment on either the upper surface or the lower surface of the container which has been previously roughened, and the other surface. A heat storage material characterized in that a light emitting film coated with a luminescent dye paint for growing plants is wrapped on the surface. 上記近赤外線吸収物質が、フタロシアニンを含有するものであることを特徴とする請求項１に記載の蓄熱資材。 The heat storage material according to claim 1, wherein the near-infrared absorbing substance contains phthalocyanine.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000018864A (en) 1998-06-30 2000-01-18 Kubota Corp Thermal storage capsule
JP2014009258A (en) 2012-06-28 2014-01-20 Adeka Corp Near-infrared ray absorbent, and near-infrared ray absorbing composition
WO2014024732A1 (en) 2012-08-10 2014-02-13 リケンテクノス株式会社 Solar heat storage system and agricultural and horticultural house equipped with same

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Publication number Priority date Publication date Assignee Title
JPS54134103U (en) * 1978-03-07 1979-09-18
JPS58102166U (en) * 1981-12-29 1983-07-12 昭和アルミニウム株式会社 solar heat storage device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000018864A (en) 1998-06-30 2000-01-18 Kubota Corp Thermal storage capsule
JP2014009258A (en) 2012-06-28 2014-01-20 Adeka Corp Near-infrared ray absorbent, and near-infrared ray absorbing composition
WO2014024732A1 (en) 2012-08-10 2014-02-13 リケンテクノス株式会社 Solar heat storage system and agricultural and horticultural house equipped with same

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