JP6175707B2 - Thermal insulation structure - Google Patents
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- JP6175707B2 JP6175707B2 JP2013042302A JP2013042302A JP6175707B2 JP 6175707 B2 JP6175707 B2 JP 6175707B2 JP 2013042302 A JP2013042302 A JP 2013042302A JP 2013042302 A JP2013042302 A JP 2013042302A JP 6175707 B2 JP6175707 B2 JP 6175707B2
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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
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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Description
本発明は、安くて省エネルギー効果が大きく、しかも内容積も減らすことなく、屋外で使用する自動販売機、コンテナ、自動車車両或いは船舶等に使用する事ができる外装材等基材の遮熱構造を提供するものである。 The present invention provides a heat-insulating structure for base materials such as exterior materials that can be used for vending machines, containers, automobile vehicles, ships, etc., used outdoors, without being cheap and having a large energy-saving effect and reducing the internal volume. It is to provide.
自動販売機、コンテナ等は、外装材の屋外側に遮熱塗装等を施して外部からの熱の侵入を防いでいる。
又、車両等は室内に内装が施されており、建物同様外装材と内装材の間に断熱材或いは遮熱材等の断熱工事等を施工する事により省エネルギーをはかっている。In vending machines, containers, etc., heat shielding coating or the like is applied to the exterior side of the exterior material to prevent intrusion of heat from the outside.
In addition, interiors of vehicles and the like are provided indoors, and energy is saved by constructing a heat insulating material such as a heat insulating material or a heat insulating material between the exterior material and the interior material as in a building.
その為次のような問題があった。
自動販売機は、内部の低温商品貯蔵部と高温商品貯蔵部との間には、ウレタンや真空断熱等を施し断熱施工している。しかし、外装材の室内側については容積が小さくなる為、殆ど断熱施工はされていない。屋外側には、遮熱塗装等が施されているものもあるが、輻射熱に対する反射率も低く、又室内側からの熱には保温効果が低いので、年間を通すと大きな省エネルギー効果は望めないという問題がある。Therefore, there were the following problems.
In the vending machine, between the low-temperature product storage unit and the high-temperature product storage unit inside, urethane, vacuum insulation, or the like is applied for heat insulation. However, since the volume of the interior side of the exterior material is small, almost no heat insulation is applied. Some of the outdoor side has a thermal barrier coating, etc., but the reflectivity to radiant heat is low, and the heat from the indoor side is low, so a large energy saving effect cannot be expected through the year. There is a problem.
コンテナにおいては、全くと言って良いほど断熱工事は施工されていない。これは、自動販売機同様内容積が小さくなる事や、内容物が断熱材等にぶつかると断熱材が破損しやすい事による。 In the container, the heat insulation work is not carried out so that it may be said at all. This is because the internal volume becomes small as in the vending machine, and when the contents hit the heat insulating material, the heat insulating material is easily damaged.
自動車、車両、船舶等に於いては、外装材と内装材との間に遮熱材や断熱材を入れているものもある。しかし、高断熱を期待するには断熱材の厚みや密度を上げる必要があり、結果的には重量が重くなり燃費の低下に繋がる。又、内装材と外装材の間に遮熱材を使用する場合、遮熱材の両面に空気層を設ける必要があり、壁の厚みが厚くなり容積を小さくしてしまう事や、空気層を狭くすると今度は伝導熱が伝わり易く断熱性能が低下すると言う問題がある。
本発明は、これらの問題を解決する為に提案するものである。In some automobiles, vehicles, ships, etc., a heat shielding material or a heat insulating material is inserted between the exterior material and the interior material. However, in order to expect high heat insulation, it is necessary to increase the thickness and density of the heat insulating material. As a result, the weight becomes heavy, leading to a reduction in fuel consumption. In addition, when using a heat shielding material between the interior material and the exterior material, it is necessary to provide an air layer on both sides of the heat shielding material, which may increase the wall thickness and reduce the volume. If it is narrowed, there is a problem that heat conduction is easily transmitted and the heat insulation performance is lowered.
The present invention is proposed to solve these problems.
本発明に係る遮熱構造は、外装材等基材の室内側にアルミホイル等輻射熱に対して高反射率の素材を取り付けた遮熱構造であって、前記アルミホイル等輻射熱に対して高反射率の素材は、輻射熱に対する反射率が９５パーセント以上であり、前記外装材等基材の屋外側が前記アルミホイル等輻射熱に対して高反射率の素材の室内側よりも高温のとき、前記外装材等基材の屋外側から前記アルミホイル等輻射熱に対して高反射率の素材の室内側へ移動する伝導熱を、前記アルミホイル等輻射熱に対して高反射率の素材が有する低放射性能によって少なくし、
前記外装材等基材の屋外側が前記アルミホイル等輻射熱に対して高反射率の素材の室内側よりも低温のとき、前記アルミホイル等輻射熱に対して高反射率の素材の室内側から前記外装材等基材の屋外側への輻射熱を、前記アルミホイル等輻射熱に対して高反射率の素材が有する高反射性能によって前記アルミホイル等輻射熱に対して高反射率の素材の室内側へ反射するように、前記外装材等基材と前記アルミホイル等輻射熱に対して高反射率の素材とを、これらの間に空気層を含まないように密着させたことを特徴とする。
The heat shield structure according to the present invention is a heat shield structure in which a material having high reflectivity with respect to radiant heat such as aluminum foil is attached to the indoor side of a base material such as an exterior material , and is highly reflective with respect to the radiant heat such as aluminum foil. The material of the rate is 95% or more reflectivity with respect to radiant heat, and the exterior material when the outdoor side of the substrate such as the exterior material is hotter than the indoor side of the material with high reflectivity with respect to the radiant heat such as the aluminum foil The conduction heat that moves from the outdoor side of the base material to the indoor side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil is reduced by the low radiation performance of the material with high reflectivity with respect to the radiant heat such as the aluminum foil. And
When the outdoor side of the base material such as the exterior material is at a lower temperature than the indoor side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil, the exterior from the indoor side of the material with high reflectivity with respect to the radiant heat such as the aluminum foil. The radiant heat to the outdoor side of the base material such as a material is reflected to the indoor side of the material having a high reflectivity with respect to the radiant heat such as the aluminum foil by the high reflection performance of the material having a high reflectivity with respect to the radiant heat such as the aluminum foil. as such, a high-reflectance material to the aluminum foil or the like radiant heat and the exterior material such as a substrate, is characterized in that is brought into close contact so as not to include an air layer between them.
また、本発明に係る遮熱構造は、外装材等基材の室内側に厚み０．１ミリメートル程度のポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート等を介してアルミホイル等輻射熱に対して高反射率の素材を取り付けた遮熱構造であって、前記アルミホイル等輻射熱に対して高反射率の素材は、輻射熱に対する反射率が９５パーセント以上であり、前記外装材等基材の屋外側が前記アルミホイル等輻射熱に対して高反射率の素材の室内側よりも高温のとき、前記外装材等基材の屋外側から前記ポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート等を介して前記アルミホイル等輻射熱に対して高反射率の素材の室内側へ移動する伝導熱を、前記アルミホイル等輻射熱に対して高反射率の素材が有する低放射性能によって少なくし、前記外装材等基材の屋外側が前記アルミホイル等輻射熱に対して高反射率の素材の室内側よりも低温のとき、前記アルミホイル等輻射熱に対して高反射率の素材の室内側から前記外装材等基材の屋外側への輻射熱を、前記アルミホイル等輻射熱に対して高反射率の素材が有する高反射性能によって前記アルミホイル等輻射熱に対して高反射率の素材の室内側へ反射するように、前記外装材等基材および前記ポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート等と、前記アルミホイル等輻射熱に対して高反射率の素材とを、これらの間に空気層を含まないように密着させたことを特徴とする。 In addition, the heat shield structure according to the present invention is applied to radiant heat such as aluminum foil on the indoor side of the base material such as an exterior material through a chemical fiber sheet such as polyester or glass having a thickness of about 0.1 mm, or a rubber or resin sheet. A heat-shielding structure with a high-reflectance material attached thereto, and the high-reflectivity material with respect to radiant heat such as the aluminum foil has a reflectivity with respect to radiant heat of 95% or more, and the exterior of the base material such as the exterior material When the side is hotter than the indoor side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil, the polyester or glass or other chemical fiber sheet or rubber or resin sheet is used from the outdoor side of the base material such as the exterior material. The conductive heat that moves to the indoor side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil is reduced by the low radiation performance of the material having high reflectivity with respect to the radiant heat such as the aluminum foil. When the outdoor side of the base material such as the exterior material is at a lower temperature than the indoor side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil, from the indoor side of the material with high reflectivity with respect to the radiant heat such as the aluminum foil. Radiation heat to the outdoor side of the base material such as the exterior material is directed to the indoor side of the material having high reflectivity with respect to the radiant heat such as aluminum foil by the high reflection performance of the material having high reflectivity with respect to the radiant heat such as the aluminum foil. In order to reflect, the base material such as the exterior material and the chemical fiber sheet such as polyester or glass or the sheet made of rubber or resin, and the material having high reflectivity with respect to radiant heat such as the aluminum foil, and the air between them. It is characterized by being closely attached so as not to include a layer .
以下本発明を実施するための最良の形態について説明する。
米国の多くの機関の報告によると、建物を移動する熱の平均７５％は輻射熱である。しかも、天井方向では９３パーセント、壁方向では６５〜８０パーセント、床方向では５０〜７０パーセントが輻射熱であるとされている。
従って、この輻射熱を阻止する事は省エネルギー対策として非常に重要な事である。The best mode for carrying out the present invention will be described below.
According to reports from many US agencies, an average of 75% of the heat moving through buildings is radiant heat. Moreover, 93 percent is radiant heat in the ceiling direction, 65 to 80 percent in the wall direction, and 50 to 70 percent in the floor direction.
Therefore, blocking this radiant heat is very important as an energy saving measure.
この輻射熱を阻止するには、熱源である外装材等基材１や内装材の間にアルミホイル等輻射熱に対して高反射率の素材３を、輻射熱を反射する空間即ち静止空気層を設けて取り付ける事が効果的であるとされている。又、内装材が無い場合は、外装材等基材１の室内側に前記同様アルミホイル等輻射熱に対して高反射率の素材３を、胴縁等を使用し反射空間を設けて施工するのが一般的である。
又、この静止空気層の間隔は、垂直面では３０ミリメートル位、水平面では１００ミリメートル位が良いとされている。In order to prevent this radiant heat, a material 3 having high reflectivity with respect to the radiant heat such as aluminum foil is provided between the base material 1 such as the exterior material, which is a heat source, and the interior material, and a space for reflecting the radiant heat, that is, a still air layer is provided. It is said that it is effective to install. When there is no interior material, a material 3 having a high reflectivity with respect to radiant heat such as aluminum foil is provided on the indoor side of the base material 1 such as an exterior material, and a reflection space is provided using a trunk edge or the like. Is common.
The interval between the still air layers is preferably about 30 millimeters on the vertical plane and about 100 millimeters on the horizontal plane.
屋外で貯蔵や保管用に使用されているコンテナや自動販売機、或いは人や物を輸送する自動車、車両、船舶等も同様、輻射熱の影響を受けているのは至極当然である。しかしながら、貯蔵や保管用或いは輸送等に使用されるものは、如何に内容積を多く利用できるかが非常に重要な課題である。
しかし、前述の遮熱工法は輻射熱を反射させる空間が必要である。例えば、コンテナや自動販売機に施工するには、外装材等基材１の室内側に空気層を設ける胴縁を取り付け、この胴縁に室内側から遮熱材を貼ることになる。この胴縁の間隔は、少なくても３０ミリメートル位は必要で、仮に２０フィートコンテナ全面を遮熱した場合で換算すると２，２立方メートルの容積が減少する事になる。Naturally, containers and vending machines used for storage and storage outdoors, or automobiles, vehicles, ships, etc. that transport people and goods are also affected by radiant heat. However, what is used for storage, storage, transportation, etc., is a very important issue on how much internal volume can be used.
However, the above-described heat shielding method requires a space for reflecting radiant heat. For example, when constructing a container or a vending machine, a body edge provided with an air layer is attached to the interior side of the base material 1 such as an exterior material, and a heat shielding material is attached to the body edge from the interior side. The interval between the barrel edges is required to be at least about 30 millimeters. If converted to the case where the entire surface of the 20-foot container is shielded, the volume of 2,2 cubic meters is reduced.
内装材のある自動車、車両、船舶等は、夏と冬では或いは走行時と停車時とでは、外装材等基材１或いは内装材を通して流れる熱の向きが変わる。つまり、熱は温度の高い方から低い方向に向かって流れるので、夏場は屋外側から室内側へ、冬場は逆に室内側から屋外側に向かって移動する。
従って、遮熱材により輻射熱の反射性能を効率的に利用しようとすると、遮熱材の両面に空気層を設ける必要があり、更に大きな内容積の減少となる。
又、外装材等基材１の室内側に断熱材を施工する場合、断熱材は厚みと密度が重要で内容積を大きくする事は出来ないどころか、性能を上げようとすると更に狭くする事になる。The direction of the heat flowing through the base material 1 such as the exterior material or the interior material changes in summer and winter, or at the time of traveling and when the vehicle is stopped in an automobile, a vehicle, a ship, and the like having the interior material. That is, since heat flows from the higher temperature toward the lower temperature, it moves from the outdoor side to the indoor side in the summer and from the indoor side to the outdoor side in the winter.
Therefore, in order to efficiently use the radiant heat reflection performance by the heat shielding material, it is necessary to provide an air layer on both surfaces of the heat shielding material, which further reduces the internal volume.
In addition, when installing a heat insulating material on the indoor side of the base material 1 such as an exterior material, the thickness and density of the heat insulating material are important and the internal volume cannot be increased. Become.
本発明は、外装材等基材１の室内側にアルミホイル等輻射熱に対して高反射率の素材３を空気層も作らず密着させて取り付けるものである。これにより、外装材等基材１を通過する伝導熱を阻止、更にアルミホイル等輻射熱に対して高反射率の素材３の室内側から放射される輻射熱をも削減するものである。ここで外装材等基材１とは、太陽が直接当る面に使用される素材を指し、自動販売機等では外側の金属製のケースであり、車両等では外装パネルである。 In the present invention, the material 3 having a high reflectivity with respect to the radiant heat such as aluminum foil is attached to the interior side of the base material 1 such as the exterior material without making an air layer. This prevents conduction heat passing through the base material 1 such as an exterior material, and further reduces radiant heat radiated from the indoor side of the material 3 having a high reflectivity with respect to radiant heat such as aluminum foil. Here, the base material 1 such as an exterior material refers to a material used for a surface directly hit by the sun, which is an outer metal case in a vending machine or the like, and an exterior panel in a vehicle or the like.
即ち、屋外からの熱は、一端外装材等基材１に吸収させ伝導熱とし、この伝導熱を阻止するものである。従って、従来型の遮熱工法が遮熱材表面で輻射熱を反射させるのとでは全く異なるものである。 That is, the heat from the outside is absorbed by the base material 1 such as the exterior material to be the conduction heat, and this conduction heat is blocked. Therefore, the conventional heat shield method is completely different from reflecting radiant heat on the surface of the heat shield.
本発明に使用するアルミホイル等輻射熱に対して高反射率の素材３はアルミホイルが多く、通常輻射熱に対する反射率が９５パーセント以上のものが好ましい。勿論、反射率が高ければ高いほど効果は大きい。
又、厚みは僅か５〜１５ミクロン程度である。勿論、高反射率であれば外装材等基材１にアルミ等の蒸着でも良い。The material 3 having high reflectivity with respect to radiant heat, such as aluminum foil, used in the present invention is often aluminum foil, and preferably has a reflectivity with respect to radiant heat of 95% or more. Of course, the higher the reflectivity, the greater the effect.
The thickness is only about 5 to 15 microns. Of course, vapor deposition of aluminum or the like may be performed on the base material 1 such as the exterior material as long as the reflectance is high.
外装材等基材１は金属製が多いが、金属とアルミホイル等輻射熱に対して高反射率の素材３を接触して使用すると電食を起こし、アルミホイル等輻射熱に対して高反射率の素材３が腐食してしまう事がある。そこでこれを防止する為、外装材等基材１とアルミホイル等輻射熱に対して高反射率の素材３の間にポリエステルやガラス等化学繊維シート或いはゴムシート樹脂製シート等２が取り付けられている。これら、ポリエステルやガラス等化学繊維シート或いはゴムシート樹脂製シート等２の厚みも０．１ミリメートル程度で、アルミホイル等輻射熱に対して高反射率の素材３を合わせても、全体の厚みは０．１〜０．２ミリメートル程度である。従って、コンテナや車両等の内容積を狭くする事は全くない。又、この電食防止層は、塗装皮膜などで電気を通しにくいものであれば他の素材でも良い。 The base material 1 such as an exterior material is often made of metal, but if it is used in contact with a metal 3 and a material 3 having high reflectivity with respect to radiant heat such as aluminum foil, it causes electric corrosion, and has high reflectivity with respect to radiant heat such as aluminum foil. The material 3 may corrode. Therefore, in order to prevent this, a chemical fiber sheet such as polyester or glass or a rubber sheet resin sheet 2 is attached between a base material 1 such as an exterior material and a material 3 having high reflectivity against radiant heat such as aluminum foil. . The thickness of the chemical fiber sheet such as polyester or glass or the rubber sheet resin sheet 2 is also about 0.1 mm, and even if the material 3 having high reflectivity with respect to radiant heat such as aluminum foil is combined, the total thickness is 0. .About 1 to 0.2 millimeters. Therefore, the inner volume of the container, vehicle, etc. is never reduced. In addition, this electrolytic corrosion prevention layer may be made of other materials as long as it is difficult to conduct electricity with a coating film or the like.
本発明を詳しく説明する。
貯蔵や輸送を目的に使用されている自動販売機、コンテナ、自動車、車両或いは船舶等は、年間を通して屋外で使用されている。
屋外側が室内側より高い温度の場合、屋外側から伝達される伝導熱、対流熱そして輻射熱は、これら設備や車両等の外装材等基材１に吸収され、伝導熱の形態を取って外装材等基材１内を室内側に移動し、外装材等基材１の室内側表面から再び伝導熱、対流熱、輻射熱の形態をとって室内に伝達される。
又、屋外側が室内側より低い温度の場合、前述の逆の流れを取って室内側から屋外側に熱伝達される。The present invention will be described in detail.
Vending machines, containers, automobiles, vehicles or ships used for storage and transportation are used outdoors throughout the year.
When the outdoor side is at a higher temperature than the indoor side, the conduction heat, convection heat, and radiant heat transmitted from the outdoor side are absorbed by the base material 1 such as the exterior material of these facilities and vehicles, etc. The inside of the base material 1 moves to the indoor side, and is transmitted from the surface of the base material 1 such as the exterior material to the room again in the form of conduction heat, convection heat, and radiant heat.
When the outdoor side is at a lower temperature than the indoor side, heat is transferred from the indoor side to the outdoor side by taking the reverse flow described above.
本発明は、外装材等基材１の室内側にアルミホイル等輻射熱に対して高反射率の素材３を、空気層を作らず密着して取り付けてある。
仮に、外装材等基材１とアルミホイル等輻射熱に対して高反射率の素材３との間に空気があると、外装材等基材１の室内側表面から放射された輻射熱は空気を過熱、この熱はやがてアルミホイル等輻射熱に対して高反射率の素材３に伝達され、この表面から室内へと移動する事になる。従って、空気を極力排除することが重要である。
即ち、一般的な断熱材と全く異なるのは、熱を蓄積する空気を含まないように施工していることにもある。In the present invention, a material 3 having a high reflectivity with respect to radiant heat such as aluminum foil is attached in close contact with the interior side of the base material 1 such as an exterior material without forming an air layer.
If there is air between the base material 1 such as the exterior material and the material 3 having high reflectivity with respect to the radiant heat such as aluminum foil, the radiant heat radiated from the indoor side surface of the base material 1 such as the exterior material overheats the air. This heat is eventually transmitted to the material 3 having high reflectivity with respect to the radiant heat such as aluminum foil, and moves from the surface to the room. Therefore, it is important to eliminate air as much as possible.
That is, it is completely different from a general heat insulating material in that it is constructed so as not to include air that accumulates heat.
外装材等基材１の屋外側から室内側に外装材等基材１を通して移動した伝導熱は、ポリエステルやガラス等化学繊維シート或いはゴムシート樹脂製シート２に伝達、更にアルミホイル等輻射熱に対して高反射率の素材３に到達この表面で阻止される。従来から、遮熱材は輻射熱を反射させると言われて来たが、ここでは伝導熱を反射して阻止しているように思われる。 The conduction heat that has moved through the base material 1 such as the exterior material from the outdoor side of the base material 1 such as the exterior material is transmitted to the chemical fiber sheet such as polyester or glass or the rubber sheet resin sheet 2, and further to the radiant heat such as aluminum foil. The high reflectivity material 3 is reached and blocked by this surface. Conventionally, it has been said that the heat shielding material reflects radiant heat, but here it seems to reflect and block conduction heat.
物質の輻射熱に対する反射率と放射率の和は壱である事は周知の事実である。即ち、反射率の高い物質は放射率が低いということである。アルミホイル等輻射熱に対して高反射率の素材３は９７〜９８パーセントの反射率を持っているので、放射率は僅か２〜３パーセントということになる。
即ち、アルミホイル等輻射熱に対して高反射率の素材３を室内側に使用する事により、屋外側が室内側より温度が高い場合はこの低放射性能も利用でき更に熱移動を少なくする事が出来るのである。It is a well-known fact that the sum of the reflectivity and emissivity of a material to radiant heat is insignificant. That is, a highly reflective material has a low emissivity. Since the material 3 having high reflectivity with respect to radiant heat such as aluminum foil has a reflectivity of 97 to 98%, the emissivity is only 2 to 3%.
That is, by using the material 3 having high reflectivity with respect to the radiant heat such as aluminum foil on the indoor side, when the outdoor side has a higher temperature than the indoor side, this low radiation performance can be used and the heat transfer can be further reduced. It is.
逆に、屋外側が室内側のより低い温度の場合、アルミホイル等輻射熱に対して高反射率の素材３が室内側に有るので、今度はアルミホイル等輻射熱に対して高反射率の素材３の高反射性能を利用する事が出来る。即ち、保温性が高まる事となる。 Conversely, when the outdoor side is at a lower temperature on the indoor side, the material 3 having high reflectivity with respect to radiant heat such as aluminum foil is present on the indoor side. High reflection performance can be used. That is, the heat retention is increased.
自動販売機を例に説明する。
自動販売機は、冷たい飲み物を保管する低温部と暖かい飲み物を保管する高温部の二つの層に分かれているのが一般的である。低温部の温度は１〜６℃、高温部は５２〜５８℃位で使用されている。これを、東京地区をベースに考えてみる。
東京の冬場の気温は７℃、夏場は２７℃くらいである。即ち、熱は熱い方から冷たい方への考え方に照らし合わせてみると、年間を通して高温部は内側から屋外側に、一方低温部は屋外側から自動販売機の内側に向かって熱移動していることが解かる。
屋外からの伝導熱や対流熱或いは輻射熱は、自動販売機の内側に向かって移動し外装材等基材１に吸収される。この熱は、外装材等基材１を伝導熱の形態をとり移動、外装材等基材１の室内側表面から再び伝導熱、対流熱及び輻射熱の形態をとり内部に伝達される。
本発明は、外装材等基材１の内側にアルミホイル等輻射熱に対して高反射率の素材３を密着して取り付けたものである。これにより、外装材等基材１を屋外側から内部に移動する伝導熱の多くがアルミホイル等輻射熱に対して高反射率の素材３に阻止され、自動販売器内部に移動する熱量を大幅に削減することが出来る。勿論、アルミホイル等輻射熱に対して高反射率の素材３は放射率が非常に低く、低温部への熱移動が非常に少なくなり、冷却効率を大幅に向上させることが出来る。
一方、高温部からは屋外側に向かって熱移動するが、この熱の大半は輻射熱の為、アルミホイル等輻射熱に対して高反射率の素材３によって内部に反射され、高温部の保温効果が非常に向上する。A vending machine will be described as an example.
The vending machine is generally divided into two layers, a low temperature part for storing cold drinks and a high temperature part for storing warm drinks. The temperature of the low temperature part is 1 to 6 ° C, and the high temperature part is used at 52 to 58 ° C. Consider this based on the Tokyo area.
The temperature in Tokyo in winter is 7 ° C and in summer it is around 27 ° C. In other words, the heat is moving from the inside to the outside through the year, while the low temperature is moving from the outside to the inside of the vending machine. I understand that.
Conductive heat, convection heat or radiant heat from the outside moves toward the inside of the vending machine and is absorbed by the base material 1 such as an exterior material. This heat is transferred in the form of conduction heat through the base material 1 such as the exterior material, and is transmitted to the inside again in the form of conduction heat, convection heat and radiation heat from the indoor surface of the base material 1 such as the exterior material.
In the present invention, a material 3 having a high reflectivity with respect to radiant heat such as aluminum foil is attached to the inside of a base material 1 such as an exterior material. As a result, most of the conduction heat that moves the base material 1 such as the exterior material from the outdoor side to the inside is blocked by the material 3 that has high reflectivity with respect to radiant heat such as aluminum foil, and the amount of heat that moves inside the vending machine is greatly increased. It can be reduced. Of course, the material 3 having a high reflectivity with respect to the radiant heat such as aluminum foil has a very low emissivity, and the heat transfer to the low temperature portion is very small, so that the cooling efficiency can be greatly improved.
On the other hand, heat is transferred from the high temperature part toward the outdoor side, but most of this heat is radiant heat, so it is reflected to the inside by the material 3 having high reflectivity with respect to radiant heat such as aluminum foil, and the heat retention effect of the high temperature part is obtained. Very improved.
コンテナの場合について説明する。
コンテナは内部で熱を発生する設備等が無いので、年間を通して熱は屋外側から室内側へと移動する。これは、自動販売機と同様、屋外側からの外装材等基材１に伝達された熱は伝導熱の形態をとって内部に移動する。外装材等基材１の内側にアルミホイル等輻射熱に対して高反射率の素材３を密着して取り付けることにより、外装材等基材１を屋外側から内部に移動する伝導熱の多くがアルミホイル等輻射熱に対して高反射率の素材３に阻止されること、及び輻射熱の放射率が少なくなる事によりコンテナ内の温度上昇を抑えることが出来る。The case of a container will be described.
Since containers do not have facilities that generate heat internally, heat moves from the outdoor side to the indoor side throughout the year. As in the vending machine, the heat transmitted from the outdoor side to the base material 1 such as the exterior material takes the form of conduction heat and moves to the inside. By attaching the material 3 having high reflectivity against the radiant heat such as aluminum foil to the inside of the base material 1 such as the exterior material, most of the conduction heat that moves the base material 1 such as the exterior material from the outdoor side to the inside is made of aluminum. The increase in temperature in the container can be suppressed by being blocked by the material 3 having high reflectivity with respect to radiant heat such as foil and by reducing the emissivity of radiant heat.
本発明の商品を製造するには、アルミホイル等輻射熱に対して高反射率の素材３にポリエステルやガラス等化学繊維シート或いはゴムシート樹脂製シート等２を溶着又は接着する。更に、この接着又は溶着されたシートを、外装材等基材１にポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート２面が密着するように再度接着又は溶着する。この様に、外装材等基材１と一体化されたシートは薄いので、従来どおり外装材等基材１の成型機にかけて簡単に加工することが出来る。 In order to manufacture the product of the present invention, a chemical fiber sheet such as polyester or glass or a rubber sheet resin sheet 2 or the like is welded or bonded to a material 3 having high reflectivity against radiant heat such as aluminum foil. Further, the adhered or welded sheet is adhered or welded again so that the surface 1 of the chemical fiber sheet such as polyester or glass or the rubber or resin sheet 2 is in close contact with the base material 1 such as the exterior material. Thus, since the sheet | seat integrated with the base materials 1, such as an exterior material, is thin, it can be simply processed with the molding machine of the base materials 1 such as an exterior material as usual.
既設の設備や車両等では、室内側から接着剤等で外装材等基材１の表面にポリエステルやガラス等化学繊維シート或いはゴムシート樹脂製シート等２を溶着又は接着、更に室内側にアルミホイル等輻射熱に対して高反射率の素材３を接着剤等により貼れば良い。ただ、この場合も外装材等基材１とアルミホイル等輻射熱に対して高反射率の素材３との間に空気が巻き込まれないように充分注意する必要がある。 In existing facilities and vehicles, a chemical fiber sheet such as polyester or glass or a rubber sheet resin sheet 2 or the like is welded or adhered to the surface of the base material 1 such as an exterior material with an adhesive or the like from the indoor side, and further an aluminum foil on the indoor side What is necessary is just to stick the raw material 3 of high reflectivity with an adhesive agent etc. with respect to equal radiant heat. However, in this case as well, it is necessary to pay sufficient attention so that air is not caught between the base material 1 such as the exterior material and the material 3 having high reflectivity against the radiant heat such as aluminum foil.
以下本発明の実験例を示すが、本発明は、これらの実験に限定されるものではなく、前記特許請求の範囲に逸脱しない限り、どの様に構成してもよい。 Experimental examples of the present invention will be shown below, but the present invention is not limited to these experiments, and may be configured in any manner without departing from the scope of the claims.
図１に示す遮熱構造の実施例は、外装等基材１の裏面側にポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート、更にその外側にアルミホイルを接着又は溶着した３層構造である。 The embodiment of the heat shield structure shown in FIG. 1 has a three-layer structure in which a chemical fiber sheet such as polyester or glass or a rubber or resin sheet is attached to the back side of the base material 1 such as an exterior, and an aluminum foil is bonded or welded to the outside. is there.
＜鉄板遮熱照射試験＞
基材である３枚のガルバニウム鋼板に、１枚目は何もしない遮熱未施工板、２枚目は熱源側に遮熱材ＴＨＢ−ＣＸ（０．１ミリメートル）を貼った板、３枚目は熱源の反対側に遮熱材ＴＨＢ−ＣＸ（０．１ミリメートル）を貼った板である。この試験に使用するＴＨＢ−ＣＸは、反射率９８パーセントで７ミクロンの厚みのアルミホイルに、ポリエステル不織布厚さ０．１ミリメートルを熱溶着したものである。<Iron plate thermal insulation irradiation test>
Three sheets of galvanium steel plates that are the base material, the first sheet is a heat-shielded non-processed plate, the second sheet is a heat-shielding material THB-CX (0.1 mm) pasted on the heat source side, three sheets The eye is a plate in which a heat shielding material THB-CX (0.1 mm) is pasted on the opposite side of the heat source. The THB-CX used in this test is obtained by thermally welding a polyester non-woven fabric thickness of 0.1 mm to an aluminum foil having a reflectivity of 98 percent and a thickness of 7 microns.
〔実験方法〕
２２℃の室温の環境で、遠赤外線ヒーター１０００Ｗの前に３枚の試験体を一列に並べ、同一条件にて照射した。温度測定は、遮熱未施工の熱源側温度▲１▼を基準とし、接触タイプのサーモレコーダーにより１０℃刻みで測定した。これを基に、３つの試験体の裏側温度をサーモグラフィーで同時に測定した。
▲２▼は▲１▼の裏側の温度で、両面共遮熱していないガルバニウム鋼板の熱源側と反対の裏側を測定したものである。
▲３▼は、ガルバニウム鋼板の熱源側に遮熱材を貼ったもので、測定は熱源側と反対の裏側である。
▲４▼は、ガルバニウム鋼板の熱源側と反対側の裏側に遮熱材を貼ったもので、測定は熱源側と反対の裏面の温度である。本発明の遮熱構造である。〔experimental method〕
In a 22 ° C. room temperature environment, three test specimens were arranged in a line in front of the far-infrared heater 1000 W and irradiated under the same conditions. The temperature was measured in increments of 10 ° C. with a contact type thermo recorder based on the heat source side temperature {circle around (1)} without heat shielding. Based on this, the backside temperatures of the three specimens were measured simultaneously by thermography.
(2) is the temperature on the back side of (1), and is measured on the back side opposite to the heat source side of the galvanium steel sheet that is not thermally shielded on both sides.
(3) is a galvanium steel sheet with a heat shielding material attached to the heat source side, and the measurement is on the back side opposite to the heat source side.
(4) is a heat shield material pasted on the back side opposite to the heat source side of the galvanium steel plate, and the measurement is the temperature of the back side opposite to the heat source side. It is the heat insulation structure of the present invention.
〔結果〕
〔結果〕
〔グラフ１〕
[Graph 1]
〔考察〕
（イ）本発明の、熱源側にアルミホイル等輻射熱に対して高反射率の素材を貼った板▲４▼は、遮熱未施工板▲２▼の裏面温度が７７．５℃になっても２６．９℃と５０．６℃も低く明らかに高い断熱性能を持っていることが解かる。
（ロ）遮熱材を熱源側に取り付けた従来型の表面遮熱板▲３▼と、本発明の▲４▼とを比較（▲３▼−▲４▼）しても、高温になればなるほど本発明▲４▼の効果が大きい事がわかる。
（ハ）遮熱未施工板▲１▼への照射温度が低温の場合、熱源側が裏面より低い温度であるが、５０℃を境に照射側の方が高くなる傾向がある事がわかる。[Discussion]
(I) The plate (4) of the present invention, which is made of a material having a high reflectivity against radiant heat such as aluminum foil on the heat source side, has a back surface temperature of 77.5 ° C. of the unheat-insulated plate (2). 26.9 ° C. and 50.6 ° C. are clearly low and have high heat insulation performance.
(B) Even if a comparison is made between the conventional surface heat shield plate (3) with the heat shield material attached to the heat source side (3) and (4) of the present invention ((3)-(4)), It can be seen that the effect of the present invention (4) is great.
(C) It can be seen that, when the irradiation temperature to the heat shielded unfinished plate {circle around (1)} is low, the heat source side is lower than the back surface, but the irradiation side tends to be higher at 50 ° C. as a boundary.
１ 外装材等基材
２ ポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート等
３ アルミホイル等輻射熱に対して高反射率の素材1 Base materials such as exterior materials 2 Chemical fiber sheets such as polyester and glass or rubber and resin sheets 3 Materials such as aluminum foil that have high reflectivity against radiant heat
Claims (2)
前記金属製基材の外側が前記アルミホイル等輻射熱に対して高反射率の素材の表面側よりも高温のとき、前記アルミホイル等輻射熱に対して高反射率の素材が有する輻射熱の低放射性能によって、前記金属製基材の外側から伝導して前記アルミホイル等輻射熱に対して高反射率の素材の表面から放射される熱が抑えられ、
且つ、
前記金属製基材の外側が前記アルミホイル等輻射熱に対して高反射率の素材の表面側よりも低温のとき、前記アルミホイル等輻射熱に対して高反射率の素材が有する輻射熱の高反射性能によって、前記アルミホイル等輻射熱に対して高反射率の素材の表面側から前記金属製基材への輻射熱が遮熱されるように、
前記電食防止層を、
前記金属製基材と前記アルミホイル等輻射熱に対して高反射率の素材との間に空気層が存在しないように該金属製基材ならびにアルミホイル等輻射熱に対して高反射率の素材と密着させた、
ことを特徴とする遮熱構造。 A heat-shielding structure in which a material with high reflectivity for radiant heat, such as aluminum foil, is attached to the inner surface of a metal substrate via an electrolytic corrosion prevention layer ,
When the outer side of the metallic substrate is hotter than the surface side of the material having high reflectivity with respect to the radiant heat such as the aluminum foil, the low radiation performance of the radiant heat possessed by the material with high reflectivity with respect to the radiant heat such as the aluminum foil By this, the heat radiated from the surface of the material with high reflectivity against the radiant heat such as the aluminum foil conducted from the outside of the metal base material is suppressed,
and,
When the outside of the metallic substrate is at a lower temperature than the surface side of the material having high reflectivity with respect to radiant heat such as the aluminum foil , the high reflectivity performance of radiant heat possessed by the material with high reflectivity with respect to the radiant heat such as aluminum foil By, so that the radiant heat from the surface side of the material having a high reflectivity to the radiant heat such as the aluminum foil is shielded from heat,
The electric corrosion prevention layer,
The metal substrate and the aluminum foil, such as a material having high reflectivity with respect to radiant heat, and the metal substrate, and aluminum foil, such as a material with high reflectivity, with respect to radiant heat, are in close contact with each other. Let
Heat insulation structure characterized by that.
厚み０．１ミリメートル程度のポリエステルやガラス等化学繊維シート或いはゴムや樹脂製シート等である、
ことを特徴とする請求項１に記載の遮熱構造。 The electric corrosion prevention layer is
It is a chemical fiber sheet such as polyester or glass having a thickness of about 0.1 mm, or a rubber or resin sheet .
The heat shield structure according to claim 1, wherein:
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