201221882 六、發明說明： 【發明所屬之技術領域】 本發明係有關於使用冑空隔熱材料的冰箱 【先前技術】 近年來’料以冰箱之節能化或省空間化為目的 提尚冰箱之隔熱性能的一手段’逐漸使" N Rij敎Μ台色 的真空隔熱材料。 …、！·生月匕 ’有對隔熱箱體之外箱的表面溫度比外氣溫度更 -的h (例如配置凝結管的部分）、或在外箱之人 入物的部 係藉由在隔熱箱體之外箱與内箱的中門將直 空隔熱材料埋設於獨立氣泡之硬質聚氨基甲酸乙酿二末： 而消除在將真空隔熱材料作成複數層的情況之 :質聚氨基甲酸乙醋泡珠的填充不足等。在這種構成：2 空隔熱材料係具有成為外被材料的金屬箱層薄膜與鋁蒸鍍 層薄膜，並構成為將鋁蒸鍍層薄膜設置於内箱側(例如來： 專利文獻1)。 又，有在一對板之間將隔熱體包裝安裝於—方的板， 而且將發泡隔熱材料填充於兩板間者。在這種構成，隔熱 體包裝係由將金屬箔與塑膠薄膜疊層而成的第丨複合薄 臈對塑膠薄膜施加鋁蒸鍍而成的第2複合薄膜、位於兩 薄膜之間的芯材、及將兩薄膜間降壓而將周圍密封的熱封 斤構成而且，藉由將s亥隔熱體包裝的第2複合薄膜側作 為對外板的安裝面，而可在長期保持隔熱體包裝之内部真 4 201221882 空度，而且可提高隔熱體的隔熱性能（例如參照專利文獻 2)。 ' [專利文獻] [專利文獻1]日本特開2003一 014368號公報（第丄圖、第 3圖） [專利文獻2]日本特公平7_113513號公報（第】圖第$ 圖） 【發明内容】 【發明所欲解決之課題】 可是，在隔熱箱體之外箱與内箱的中間將真空隔熱材 料埋設於獨立氣泡之硬質聚氨基曱酸乙酯泡沬，使將該氧 呂蒸鍍層薄膜面設置於内箱側日夺’因為配置成金屬;:層 溥膜面成為外箱側，所以雖然可保持長期的可靠性，但是 因稱為熱橋之熱的繞入而隔熱性能降低。 又，在將對塑膠薄膜施加鋁蒸鍍而成的第2複合薄臈 側作為對外板的安裝面者，雖然在隔熱性能上係得到改 善’但是具有欠缺長期之可靠性的缺點。 本發明之技術性課題在於作成—面改善隔熱性能一面 亦可確保長期之可靠性。 【解決課題之手段】 —本發明之冰箱係由以下之構成所構成。即’在外箱與 孝目之間具有獨立氣泡之硬質聚氨基甲酸乙酯泡沫、真空 隔熱材料及凝結管的冰箱，其特徵在於： 5 201221882 真空隔熱材料係將芯材密封於外包材料内，並將内部 抽真空’而該外包材料係將具有金屬箔之第1複合薄膜與 具有銘蒸鍍層或氧化鋁蒸鍍層之第2複合薄膜重疊後，對 周緣部熱炫接，而作成袋狀，並具有氣體阻隔性； 凝結管係配置於外箱側； 真空隔熱材料係在使具有鋁蒸鍍層或氧化鋁蒸鍍層之 第2複合薄膜側的面朝向凝結管側之狀態，埋設於獨立氣 泡之硬質聚氨基曱酸乙酯泡沫，而配設於外箱與内箱之間 的中間部。 【發明效果】 在本發明的冰箱，因為朝向凝結管側設置具有導熱係 數低之鋁蒸鍍層或氧化鋁蒸鍍層之第2複合薄膜側的面， 所以可使凝結管之熱不會擴散地向冰箱外排出。 又’因為將真空隔熱材料埋設於獨立氣泡之硬質聚氨 基曱酸乙酉旨泡沐，祐两？ 丈配5又於外箱與内箱間的中間部，所以 真二隔熱材料不會直接垃酿成尸 置接接觸外氣’因為亦無外氣侵入的路 徑，所以可將直咖 ， '二，，、、性斯•之長期的劣化抑制到最低限。 進而’利用埋設真* 具二^熱材料之獨立氣泡的硬質聚氨 基甲酸乙酯泡沫，可你 ^ 了從内側抑制外箱表面的凹凸或起伏， 而可保持外觀的美觀。 進而，即使在冰笳 > $ μ π # 仃尚負載運轉，因來自高溫冷媒 配s的放熱，而冰箱 i ^ ^ w 之表面溫度超過4(TC的情況，亦可將 具二隔熱性能之長期 力化抑制到最低限。 6 201221882 【實施方式】 以下’根據圖示的實施形態說明本發明。 第1圖係表示本發明之實施形態的冰箱之正視的剖面 圖’第2圖係其側視的剖面圖。 本實施形態的冰箱係其隔熱箱體如第1圖及第2圖所 示，以複數層構造配設由鐵板等之金屬所構成的外箱 由ABS樹脂等之合成樹脂所構成的内箱2、用以填充由這 二外箱1與内箱2所开》成的空間之獨立氣泡的硬質聚氨： 甲酉夂乙ga /包冰4、及真空隔熱材料3。在製造隔熱箱體時， 預先將真空隔熱材料3間接地黏貼固定於外箱1後，注入 獨立氣泡之硬質聚氨基甲酸乙酿泡沫4的原料，進行二體 發泡。 /在此，在隔熱箱體之左右側面的真空隔熱材料仏、％ 係如第1圖所示，經由間隔片5a配設於外箱丄，並在外箱 1與内箱2的中間埋設於獨立氣泡之硬f聚氨基甲酸乙醋 >包珠4。 a、又’在隔熱箱體之頂面的真空隔熱材料3c係使用熱熔 勝或雙面膠帶黏貼固定於外箱1。 進而，在隔熱箱體之背面的真空隔熱材料3d係如第2 _所不’經由㈣狀地形成的間隔片5b配設於外箱i，並 閃避散熱用的凝結f 6’在外箱i與内箱2的中間埋設於 獨立氣泡之硬質聚氨基甲酸乙酿泡床4。凝結f 6係配設 :與外箱i的内面接觸’並可經由外们向外部散熱。此 外，在以下的說明’亦有將真空隔熱材料3a,總稱為真 201221882 空隔熱材料3的情況。 真空隔熱材料3係將芯材8插入外包材料内，對内部 抽真空’再將開口部密封’藉此所形成，而該外包材料係 將在塑膠薄膜之間夾住金屬帛，即銘羯所構成之第"复合 薄膜7b、與具有施加銘蒸鍍或氧化紹蒸鍍之塑膠薄膜的第 2複合薄膜7a重疊，再對周緣部進行熱炫接而作成袋狀， 並具有氣體阻隔性。進而 蒸鍵層之第2複合薄膜7a 氣體阻隔性高之鋁箔之第 ’配設成具有鋁蒸鍍層或氧化鋁 側的面位於外箱1側，又，具有 1複合薄膜7b的面位於内箱2 側。此外，關於真空隔熱㈣3的芯材8,在本實施形態 未限定其構成。 在匕所使用之真空隔熱材料3係採用隔熱性能比獨立 氣泡之硬質聚氨基甲酸乙§旨料4高1()倍者。 此外，具有鋁蒸鑛層或氧化紹蒸鍍層之第2複合薄膜 係由作為表面保護層之聚對笨甲酸乙二醇醋層' 氧化銘 蒸鍍層、延伸尼龍層、㉟蒸鍍層或氧化銘蒸鍍層、乙稀— 乙烯醇共聚合體樹脂組成物層及成為熱密封層的低密度聚 乙烯層所構成。 又’在塑膠薄膜之間夾住鋁箔所構成之第"复合薄膜 =係由成為表面保護層之延伸尼龍層、聚對苯甲酸乙二醇 酉旨層、紹蒸鍍層或氧化紹蒸鍍層、㈣及成為熱密封層的 低密度聚乙烯層所構成。 ，此，在外箱1側與内箱2側雙方不使用具有鋁蒸鍍 層或氧化鋁蒸鍍層之第2複合薄膜7a的理由係因為鋁蒸‘ 201221882 層或氧化鋁蒸鍍層在氣體阻隔性差，因為在長期可靠性殘 留不安的緣故。 因此’決定僅在構成外包材料之2個複合薄膜的其中 一方，應用施加蒸鍍的塑膠薄膜。可是，在此情況，應用 於外箱1側與内箱2側之哪一方成為問題。 第3圖係比較構成真空隔熱材料的外包材料之複合薄 膜的各種規格與那些薄膜之對冰箱内的熱侵入量所表示的 圖形，表示在將具有蒸鍍層的第2複合薄膜7a配置於外箱 1側（凝結管6側）的情況、將具有蒸鍍層的第2複合薄膜 7a配置於内箱2側的情況、及將在兩側具有鋁箔之第i複 合薄膜7b配置於兩側的情況之對冰箱内之熱侵入量的計 算結果。 ° 從該結果得知’將具有蒸鍍層的第2複合薄膜7a配置 於外箱1側（凝結管6側）者對冰箱内之熱侵入量比較減 少’即具有節能效果。 在使具有導熱係數高之Μ的第丨複合薄膜7b朝向凝 結管6侧的情況’凝結管6的熱係利用導熱傳至配設於外 箱1與内肖2的中間之真空隔熱材料3的外周，而與冰箱 内的溫差擴大，熱易侵入，而隔熱性能降低。 即’在將具有蒸鍍層之第2複合薄膜7a配置於凝結管 6側的情況，使在外箱i與内箱2 <甲間所配設的真空隔 熱材料3大量地被覆凝結管6，而可犋丨 j侍到更大的節能效果。 因此，在本實施形態使具有菽鑛層 、现甩（第2複合薄膜7a位於 凝結管6側，並使在外箱丨與内箱 々曰ώ i〒間所配設的真空 9 201221882 隔熱材料3被覆凝結管_____ 夕入且+ 人一-难热凝結管υ 王中15°/0作為非被覆部，但是這是考膚 息到例如凝結管δ 的連接。卩等’儘量提高被覆率較佳。 依此方式，在本實施形態’配置於外箱 置空隔熱材料3之具有蒸鍍層的第2複合薄膜h配 置m 6側。可是’在具有蒸錄層的第2複合薄膜h 與凝結管6之間，因為獨立氣泡 、 .,,._ 匕心峴負象虱基曱酸乙酯泡 所以具有蒸鑛層之第2複合薄膜k係可比直接 =固疋於隔熱箱體頂面的真空隔熱材料3。保持低溫，而 可確保長期的可靠性。 自以上’在本實施形態’在凝結管6埋設於獨立氣泡 之硬質聚氨基甲酸乙酯泡沫4上 ” 丄糟由使配置於外箱1盥 内箱2之中間的真空隔熱材料 ’、 為鍍層的第2複合 厚膜7a朝向凝結管6側，而可更有效地節能。 又，在本實施形態’因為配置於外箱i與内箱2之中 間的真空隔熱材料3埋設於獨立氣泡之硬質聚氨基甲酸乙 酯泡洙4 ’所以配置於外箱！ q ^ w , 相z之中間的真空隔熱 材科3之性繼的原因之氣體或水分在周圍幾乎不存 在。因此，可最低限地抑制真空隔熱性能之長期的劣化， 而可確保可靠性。 自以上之效果，可藉降低 ,,,,^ /L _ ) 7相巧之熟入而實現冰 相的卽能化，及實現確保長期的可靠性。 此外，雖然在此列舉將直介 俨夕…，高 真 材料3配置於隔熱箱 體之左右側面、頂面及背面的例子加以說明，但是不必依 10 201221882 此方式王面性地配置真空隔熱材料 看僅配置凝結管6之面覆蓋凝結管6的方二置相2側 配置凝結管6之其他的式§又置，而在未 卸未6又置，廷些其他的面例如接田 般使用之發泡苯乙埽等的隔熱材 如、用 隔熱材料的使用量減少，而可降低耗費因此，“之真空 圖 圖 圖式簡單說明】 第1圖係表示本發 明之實施形態的冰箱之正視的剖 第2圖係表示本發明之實施形態的冰箱 面 之側視的剖面 第3圖係比較構成真空隔熱材料的外包材料之複合 圖形 膜的各種規格盥那此^ _ ’、二7專膜之對冰箱内的熱侵入量所表示的 【主要元件符號說明】 1外箱、 2内箱、 3a 3b、3c、3d真空隔熱材料、 獨立氣/包之硬質聚氨基甲酸乙酯泡沫、 5a、5b間隔片、 6凝結管、 7a第2複合薄膜、 7 b第1複合薄膜、 11 201221882201221882 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a refrigerator using a hollow insulation material. [Prior Art] In recent years, it has been proposed to increase the space of the refrigerator by the purpose of energy saving or space saving of the refrigerator. A means of thermal performance 'gradually make' N Rij's vacuum insulation. ...,! · 生月匕 'has the surface temperature of the box outside the heat insulation box more than the temperature of the outside air (for example, the part where the condensation tube is disposed), or the part of the person who is in the outer box is in the heat insulation box The middle door of the outer box and the inner box of the inner box is embedded in the rigid polyurethane of the independent air bubble. The elimination of the vacuum insulation material is made into a plurality of layers: the polyurethane vinegar Insufficient filling of the beads. In the above-described configuration, the air-insulating material is a metal-clad layer film and an aluminum-deposited film which are externally-coated materials, and the aluminum-deposited film is provided on the inner casing side (for example, Patent Document 1). Further, there is a case in which a heat insulator is packaged between a pair of plates, and a foaming heat insulating material is filled between the two plates. In this configuration, the heat insulator package is a second composite film in which a second composite film of a metal foil and a plastic film is laminated with a metal film, and a core material between the two films is applied. And a heat seal which reduces the pressure between the two films and seals the periphery, and the second composite film side of the shai heat insulator is used as the mounting surface of the outer plate, so that the heat insulation package can be maintained for a long period of time. The inside is true 4 201221882, and the heat insulation performance of the heat insulator can be improved (for example, refer to Patent Document 2). [Patent Document] [Patent Document 1] Japanese Laid-Open Patent Publication No. 2003-014368 (Picture No. 3, FIG. 3) [Patent Document 2] Japanese Patent Publication No. Hei 7-113513 (Patent) FIG. [Problem to be Solved by the Invention] However, in the middle of the heat insulating box, the vacuum heat insulating material is embedded in the rigid polyethyl phthalate foam of the closed cells in the middle of the heat insulating box, so that the oxygen lyophilized layer is deposited. The film surface is disposed on the inner box side because it is arranged in a metal; the layered film surface becomes the outer box side, so although long-term reliability can be maintained, the heat insulation performance is lowered due to the heat called the heat bridge. . In addition, the side of the second composite thin crucible in which aluminum is vapor-deposited on the plastic film is used as the mounting surface of the outer panel, and the heat insulating performance is improved, but the reliability of long-term reliability is lacking. The technical object of the present invention is to improve the heat insulating performance while ensuring long-term reliability. [Means for Solving the Problem] The refrigerator of the present invention is constituted by the following constitution. That is, a refrigerator having a rigid polyurethane foam with a closed bubble between the outer box and the filial piety, a vacuum heat insulating material, and a condensation tube, wherein: 5 201221882 vacuum heat insulating material seals the core material in the outer covering material And vacuuming the inside, and the outer covering material overlaps the first composite film having the metal foil and the second composite film having the vapor deposited layer or the alumina deposited layer, and then heats the peripheral portion to form a bag shape. And the gas barrier property; the condensed pipe system is disposed on the outer casing side; and the vacuum heat insulating material is embedded in the state in which the surface of the second composite film side having the aluminum vapor deposition layer or the alumina vapor deposition layer is directed toward the condensation tube side. The hard polyurethane foam of the bubble is disposed at an intermediate portion between the outer box and the inner box. [Effect of the Invention] In the refrigerator of the present invention, since the surface of the second vapor deposition layer having a low thermal conductivity or the second composite film side of the alumina vapor deposition layer is provided toward the condensation tube side, the heat of the condensation tube can be prevented from being diffused. Discharge outside the refrigerator. In addition, because the vacuum insulation material is embedded in the independent bubble, the rigid polyurethane bismuth citrate is used for the purpose of foaming. The matching 5 is in the middle between the outer box and the inner box, so the real two insulating materials will not be directly brewed into the body to contact the outside air 'because there is no path of intrusion of outside air, so you can put straight coffee, ' The long-term deterioration of the second, the, and sex is suppressed to the minimum. Further, by using a rigid polyurethane foam which is embedded with a double bubble of a thermal material, it is possible to suppress the unevenness or undulation of the surface of the outer casing from the inside while maintaining the appearance of the appearance. Furthermore, even in the case of hail > $ μ π # 负载 load operation, due to the exothermic heat from the high-temperature refrigerant distribution s, the surface temperature of the refrigerator i ^ ^ w exceeds 4 (in the case of TC, it can also have two thermal insulation properties) [Embodiment] The present invention will be described below with reference to the embodiments shown in the drawings. Fig. 1 is a cross-sectional view of a refrigerator according to an embodiment of the present invention. In the refrigerator of the present embodiment, as shown in Fig. 1 and Fig. 2, the outer casing made of a metal such as an iron plate in a plurality of layers is made of ABS resin or the like. The inner box 2 made of synthetic resin is used to fill the hard polyurethane of the space formed by the two outer boxes 1 and the inner box 2: the armor ga ga / ice pack 4, and vacuum heat insulation Material 3. When the heat insulating box is manufactured, the vacuum heat insulating material 3 is indirectly adhered and fixed to the outer box 1, and the raw material of the rigid polyurethane foam 4 which is a closed cell is injected, and the two-body foaming is carried out. Here, the vacuum insulation material on the left and right sides of the heat insulating box is As shown in Fig. 1, the spacers 5a are disposed in the outer box 丄, and the hard f-ethylene glycol vinegar of the closed cells is embedded in the middle of the outer box 1 and the inner box 2. The vacuum heat insulating material 3c on the top surface of the heat insulating box is fixed to the outer box 1 by heat fusion or double-sided tape. Further, the vacuum heat insulating material 3d on the back surface of the heat insulating box is the second. The spacer 5b formed in the (four) shape is disposed in the outer casing i, and condenses the condensation f 6' for heat dissipation in the middle of the outer box i and the inner box 2, and is embedded in the rigid bubble of the rigid bubble. Bed 4. Condensation f 6 system: It is in contact with the inner surface of the outer box i and can be radiated to the outside through the outside. In addition, in the following description, the vacuum insulation material 3a is also collectively referred to as the true 201221882 air insulation. In the case of the material 3. The vacuum heat insulating material 3 is formed by inserting the core material 8 into the outer covering material, vacuuming the inside and sealing the opening portion, and the outer covering material sandwiches the metal between the plastic films.帛, that is, the first part of the composition of the "composite film 7b, with the application of the name evaporation or oxidation The second composite film 7a of the plated plastic film is overlapped, and the peripheral portion is thermally spliced to form a bag shape, and has gas barrier properties. Further, the second composite film 7a of the vapor-bonded layer is the first aluminum foil having high gas barrier properties. The surface having the aluminum vapor-deposited layer or the alumina side is located on the outer case 1 side, and the surface having the one composite film 7b is located on the inner case 2 side. Further, the core material 8 of the vacuum heat insulating (four) 3 is in this embodiment. The vacuum insulation material 3 used in the crucible is one-times higher than the hard polyurethane polyurethane material 4 of the closed cell. In addition, it has an aluminum vapor layer or oxide. The second composite film of the vapor-deposited layer is made of a poly(p-formic acid glycol vinegar layer) as a surface protective layer, an oxidized vapor-deposited layer, an extended nylon layer, a 35-evaporated layer or an oxidized vapor-deposited layer, and an ethylene-vinyl alcohol copolymer resin. The composition layer and the low-density polyethylene layer serving as a heat seal layer are composed. 'The composite film consisting of the aluminum foil sandwiched between the plastic films is composed of an extended nylon layer that is a surface protective layer, a polyethylene terephthalate layer, a vaporized layer or a vaporized layer. (4) A low-density polyethylene layer that becomes a heat seal layer. Here, the reason why the second composite film 7a having an aluminum vapor-deposited layer or an alumina vapor-deposited layer is not used on both the outer case 1 side and the inner case 2 side is because the aluminum vapor-201221882 layer or the alumina vapor-deposited layer has poor gas barrier properties because The reason for the long-term reliability remains uneasy. Therefore, it was decided to apply a vapor-deposited plastic film only to one of the two composite films constituting the outer covering material. However, in this case, which of the outer case 1 side and the inner case 2 side is applied is a problem. Fig. 3 is a graph showing the various specifications of the composite film constituting the outer covering material of the vacuum heat insulating material and the heat intrusion amount of the film in the refrigerator, showing that the second composite film 7a having the vapor deposited layer is disposed outside. In the case of the tank 1 side (the side of the condensation tube 6), the case where the second composite film 7a having the vapor deposition layer is disposed on the inner casing 2 side, and the case where the i-th composite film 7b having the aluminum foil on both sides is disposed on both sides The calculation result of the amount of heat intrusion in the refrigerator. From the result, it is known that the second composite film 7a having the vapor deposition layer is disposed on the outer casing 1 side (the side of the condensation tube 6), and the amount of heat intrusion in the refrigerator is relatively reduced, which means that the energy saving effect is obtained. In the case where the second composite film 7b having a high thermal conductivity is directed toward the side of the condensation tube 6, the heat of the condensation tube 6 is transferred to the vacuum heat insulating material 3 disposed between the outer box 1 and the inner shaft 2 by heat conduction. The outer circumference, while the temperature difference with the refrigerator is enlarged, the heat is easy to invade, and the heat insulation performance is lowered. In other words, when the second composite film 7a having the vapor deposition layer is disposed on the side of the condensation tube 6, the vacuum heat insulating material 3 disposed between the outer box i and the inner box 2 < And can help the greater energy saving effect. Therefore, in the present embodiment, the tantalum layer and the current crucible are provided (the second composite film 7a is located on the side of the condensation tube 6 and the vacuum is provided between the outer box and the inner box). 3 coated condensate tube _____ 夕入++人一- 难热凝结管υ 中中15°/0 as the non-covered part, but this is the connection of the skin to the condensing tube δ. 卩 etc. In this manner, in the second embodiment, the second composite film h having the vapor deposition layer disposed on the outer box vacant heat insulating material 3 is disposed on the m 6 side. However, the second composite film h having the vapor recording layer is provided. Between the condensate tube 6, because the independent bubble, ., , _ 匕 岘 岘 虱 虱 虱 曱 曱 所以 所以 所以 所以 所以 所以 所以 所以 所以 所以 所以 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第The vacuum insulation material 3 on the top surface is kept at a low temperature to ensure long-term reliability. From the above 'in this embodiment', the condensation tube 6 is embedded in the rigid polyurethane foam 4 of the closed cells. The vacuum heat insulating material ' disposed in the middle of the outer box 1 盥 inner box 2 is the second layer of the plating layer The thick film 7a is directed toward the condensation tube 6 side, and energy can be more effectively saved. In the present embodiment, the vacuum heat insulating material 3 disposed between the outer box i and the inner box 2 is embedded in the rigid polyamino group of the closed cells. Ethyl formate foam 4' is therefore placed in the outer box! q ^ w , the vacuum insulation material in the middle of the phase 3 is the same as the gas or moisture in the vicinity. Therefore, it can be suppressed to the minimum. The long-term deterioration of the vacuum insulation performance ensures the reliability. From the above effects, the reduction of the ice phase can be achieved by reducing the hardness of the ice insulation, and ensuring the realization of the ice phase. Long-term reliability. In addition, although the example in which the high-material 3 is disposed on the left and right sides, the top surface, and the back surface of the heat insulating box is described here, it is not necessary to comply with the method of 10 201221882. The vacuum insulation material is disposed, and only the surface of the condensation tube 6 is disposed to cover the second phase of the condensation tube 6 and the other side of the condensation tube 6 is disposed, and the other is not removed. For example, a heat insulating material such as foamed styrene used in the field For example, the use of the heat insulating material is reduced, and the cost can be reduced. Therefore, the vacuum diagram of the embodiment of the present invention is a front view showing the present invention. The cross-sectional view of the side view of the refrigerator surface of the embodiment is a comparison of the various specifications of the composite pattern film of the outer covering material constituting the vacuum heat insulating material, and the heat intrusion into the refrigerator in the case of the film [Main component symbol description] 1 outer box, 2 inner box, 3a 3b, 3c, 3d vacuum insulation material, independent gas / bag of rigid polyurethane foam, 5a, 5b spacer, 6 condensation tube , 7a second composite film, 7 b first composite film, 11 201221882