1278593 九、發明說明： 【發明所屬之技術領域】 /本發明是有關於一種形成有絕熱層之冰箱，且此絕熱 層係由貼附於箱體(cabinet)的絕熱空間内之真空絕熱板及 發泡絕熱材所構成。 【先前技術】 雖然因聚胺甲酸酯(p〇lyurethane)具有低的熱傳導率， ^由於其具有剛性，因此以此來發泡填充可構成外箱及内 相一體化的箱體，而成為習知之冰箱絕熱箱體的絕熱材料 之主流。但是，近來為了使冰箱的絕熱性能更加地提升、 防止熱逸失、降低耗電量，或者薄化絕熱壁的厚度、提升 冰箱之有效容積，有一部份的絕熱材會採用較為實用的真 空絕熱板。 一冰箱所採用之真空絕熱板(51)其基本結構係如圖6所 不，為了抑制材料成本，及易於維持排氣及真空度，而得 到長期的可罪度，並且可以在高的内部壓力下可發揮功 效’會使用連通氣泡構造之樹脂發泡體及無機微粉末、纖 維作為芯材(51a)，以使所形成之微小空間能保持在大氣壓 力之型態。其中，芯材(51a)係由氣體阻障(gas barrier)容器 (51b)所包覆，且此氣體阻障容器(51b)是由合成樹脂與鋁箔 以層豐(laminate film)的方式而形成的。當容器（5ib)因抽氣 而為真空之後，開口（51c)係以熱密封之方式密封起來。 此外’為了避免從芯材(51a)發生漏氣(out_gas)，以及 因氣體會從氣體阻障容器（51b)的密封面及表面進入到内 1278593 部，而使内部壓力上升，進而導致劣化，以及使得真空度 能夠維持。一般還會將鈦、鎂等金屬，鋇•鋰等合金，氧化 銘、氧化轉、沸石等氧化物，活性碳等，由可以用來吸收 水分、氧氣、氮氣等空氣成分、氫氣等氣體的各種物質所 構成之吸附劑(56)—併封入。 、 關於絕熱性能，使用沙來鐵(pearlite)等無機微粉末作 為芯材時，由於微粉末固體本身之壁厚較厚，所以絕熱空 間的容積會變小。此外，如圖7所示，以連續氣泡之樹脂 發泡體作為芯材，由於氣泡胞(cell)有強度的上限，所以真 空絕熱板之熱傳導率有0.005〜0.007W/mk之範圍限制。^ 若要實現0·002W/mK以下之低熱傳導率，則需以纖維徑長 為數微米（μιη)以下之玻璃絨(glass w〇〇l)，且以此材料作為 芯材時，可以形成多數個小空間，並且使得0.002W/mic二 下之低熱傳導率獲得實現。 上述之真空絕熱板係以膠帶、雙面膠、熱融膠接著固 定在冰箱及其各個⑽㈣，且此真统熱_坡覆 50〇/〇以上，甚至更高。而且，當其與硬質的胺甲酸酿發泡 ，並用時’可以強化箱體強度，而使其能保有高的“性 月匕。例如’曰本專利早期公開特2003-28562號。 【發明内容】 【發明欲解決之課題】 然而’當真空絕熱板的披覆率，相對於外箱 :〇%以上’在·慮相對於全部内部面積所能 = 情況下，實際上必簡真空絕驗配置在上面、背== l278593 個門面等，大體為整個面積上。此外，依照所要配置的場 所，可能還必須不合理地配置特殊板形。 所以’由於真空絕熱板的周圍是彼覆在氣體阻障容器 (51b)’、且此氣體阻障容器（5沁)是由合成樹脂與鋁箔以層疊 的方式而形成的。因此，外箱的熱通過氣體阻障容器（51b) 的周圍部分，會向絕熱壁厚的方向傳導，如此一來，這個 部分的絕熱效果會比板子中央部分的絕熱效果差。另外， 因為板子(51)的面積越小，板子全部之平均熱傳導率會越 大，所以多個壁面上含有小門面等的設置，會使得真空絕 熱板的使用效率變低。而且，大量的使用會使成本提高， 而使相對於合計費用之效果會變差。 此外，由於多個壁面的設置會使得真空絕熱板所佔據 之絕熱空間的容積變大，因此會妨礙所注入之胺甲酸酯發 泡體的流動，並且使得未填充部分及孔洞變多，如此會發 生填充效率變差的問題。而且，由於多個壁面的設置會佔 據真空絕熱板之箱體内更多的面積，因此會使得發泡絕熱 材和箱體内面之接觸面積變小。除此之外，關於設置位置 及板子的形狀，會有全部之絕熱箱體其剛性強度比習知差 的疑慮。 另外，雖然在避免於絕熱空間内設置的凹凸構件情況 下，會將真空絶熱板分別設置於面内，但是，如上所述， 真空絕熱板的表面積越小，板子全部的平均熱傳導率會越 大。因此，真空絕熱板會有使用效率變差的缺點。而且， 在使用表面積小的Η的情況下，也同樣會有原本之絕熱效 1278593 果變差的問題。 本發明基於上述之各個觀點的考量，太 於提供-個冰箱，且藉由真空絕熱板在相對二从^:的在 間之有效配置，可以抑制成本提高，並且提升;:敍:巴熱空 且不會有胺甲酸酯發泡體填充性能不佳的、吧…、效率， 的剛性強度可以保持良好。 、’而且箱體 為了解決上述的課題，本發明之冰箱是將作 ，、空絕熱板貼附在冰箱箱體之絕熱空間的内面。立一 ^空絕熱板細玻魏當作芯材，並且對絲體阻障容 :之收納内部進行真空排氣。在剩餘的空間中，係將胺; ，並埋設其中。本發明之特徵在於相 覆率為=外=;〇r真空 【發明效果】 本!X月之冰箱，藉由真空絕熱板的使用，可以發現箱 蚀ίΐ熱效果，並且改善因多個真空絕熱板的設置，而使 ，用真空絕熱板之絕熱性變差的問題。而且，還能降低成 並且使相對於費用之效果提升。此外，還能提升胺甲 -夂酉曰毛泡體的填充效率，且箱體之剛性強度也可以提高。 為讓本毛明之上述和其他目的、特徵和優點能更明顯 董下文特舉較佳實施例，並配合所附圖式，作詳細說 明如下。 【實施方式】 以下係藉由圖式搭配說明本發明之一實施方式，真空 1278593 絕熱板(1)如圖1所示，以及處於真空抽氣狀態的板子如圖 2所示。以具有纖維徑長平均為4μιη之細微玻璃纖維棉狀 物的玻璃絨為芯材（la)，將片狀成形之芯材(la)插入氣體阻 P羊谷為（lb) ’且此氣體阻障容器（ib)的厚度為80〜l〇〇pm， 並且紹箱與合成樹脂以層疊的方式行成袋狀。在這個芯材 插入後’將容器（lb)放置在真空抽氣裝置(2)之基座(3a)上， 並且放置在設置於真空腔室⑺的兩段式之平台（3b)(stage) 上。藉由真空幫浦(3c)抽氣至〇·〇3〜30pa的程度後，在容器 開口處留下20〜50mm的空間，以作為封閉之用。以所留 下之空間的l〇mm的寬度進行熱密封(lc)，以形成容器（lb) 内部會保持在真空減壓狀態之板狀物。 之後藉由開啟腔室(3)，使其與大氣壓產生壓差，而更 進一步壓縮芯材(la)至1/2的程度，以形成最後的厚度為 12mm，縱向、橫向尺寸分別是1400mm、500mm之真空 絶熱板(1)。真空絕熱板(丨）的取出係以鉸鏈部(3d)作為支 軸，將腔至外罩(3e)往如圖所示之箭頭方向來回移動，此 時熱搶封桿(3f)的開放式開口也同樣可以上下移動。 藉由上述方法所形成之真空絕熱板(i)，板子的中央部 刀之熱傳導率可以為〇.〇〇3W/rnk以下，所取出後之真空絕 熱板(1) ’可在其一側面全面性且均一地塗上橡膠系之熱可 所塑性樹脂或是熱融黏著劑(4)。如圖3所示，熱融黏著劑 (4)藉由在處於平板狀態的外箱(6)上方，移動之冰箱配裝線 ^運达機(line conveyer)而供給，並藉由熱融黏著劑的黏 著力，貼附在所形成之平面狀的外箱兩側壁内面之絕熱 1278593 空間侧面。 一此外，真空絕熱板(1)其由冰箱正面之剖面圖如圖4所 不二由縱向之剖面圖如圖5所示。此真空絕熱板(1)係貼附 f薄=板所製之外箱（6)兩側壁(6a)(6b)的内面，且以與外箱 刖後端以及上下端保持一定間隔之方式貼附。其中薄鋼^ 係形^成/外型為直立型冰箱（5)。特別是，從原本平板而以逆 U子形彎曲所得之位於上面（6c) —側端點的轉角折曲部 (6d)，其係藉由如圖3所示之2虛線的彎曲加工，而使真 空絶熱板(1)不與曲形成形工具(forming t〇〇1)(9)接觸。並 且，將板子(1)的端緣接著在距離曲形成形工具(9)之一定距 離間距的位置處，其中此曲形成形工具配置在這個折曲 (6d)。 。 雖然這個結構在單純之回轉彎曲時，真空絕熱板(1) 配置在成形工具(9)上方亦可，但是如圖3所示，使在回轉 彎曲時真空絕熱板(1)和形成工具(9)不接觸的方式在形成 工具（9)上形成凹陷部分（9a)的話，外箱轉角處（折曲 部)(6d) ’與板子（1)可接近到的距離是這個凹陷部分的長 度。因此板子（1)的表面積會變大，而使得絕熱效率可以提 升。 因此，藉由貼附在外箱内面，並以曲狀成形而成為箱 形之真空絕熱板(1)，能防止因回轉折曲的真空絕熱板與成 形工具接觸而破損的問題。 真空絕熱板接著之後，藉由後續之工程，將上面與兩 側面形成逆U字形之折曲外箱（6)，與底面板及背面板共同 1278593 -己置而成為一箱型，並藉由密封處理與形成儲藏室之内箱 p組合。相對於内外箱之間的殘存空間，藉由由聚胺甲酸 酯所構成的發泡絕熱材之發泡工程，形成具有上述内外箱 ⑹(7)^真空絕熱板⑴一體之接著固定、剛性之絕熱箱體。 士當上述真空絕熱板（1)與冰箱外箱（6)之間存有空間 時j會使得外箱外表面壁不平，不僅不美觀連箱體剛性也 會變弱。此外，在絕熱空間一側，為了避免因胺甲酸酯液 體的流動受阻，而使得聚胺甲酸酯發泡體絕熱材產生未 填充之部分，進而造成空洞形成，而使得絕熱性能變差， 當上述之真空絕熱板(1)的冰箱外箱在固定接著之際，必須 要格外注意避免在外箱内面平坦處產生間隙。 因此’由於真空絕熱板(1)的表面較少有凹凸部分及彎 曲部分，即較為平滑，所以在進行接著時，與外箱内面之 固定的熱融接著劑(4)之間不會產生間隙，而能確實地密 著。此外，由於在貼附有板子（丨)之絕熱空間一側沒有凹凸 部分，所以胺甲酸酯液體可以平順地流動，並以不會形成 孔洞的方式填充。最後，所構成之箱體能夠保有良好的絕 熱性能’且藉由發泡絕熱材(8)和内箱（7)及外箱（6)以及真 空絕熱板(1)之間強固地密著性，可以構成具有剛性的箱體 (5)。 因此’相對於外箱（6)的表面積，真空絕熱板⑴的彼覆 率為25% ’與習知使用胺曱酸酯發泡體絕熱材之相同容量 的冰箱比較’耗電置約減少15%以上之效果。由於在個別 設置的兩側壁處具有大的平板狀面積，所以真空絕熱板(！） 12 1278593 為單一最大面積之板體，所以上述之絕熱效率會提高。 此外，箱體之剛性試驗結果，相較於習知其剛性提升， 這是因為具有大面積、構造堅硬之真空絕熱板(1)著密地配 置在外箱（6)兩側壁之垂直方向，所以能夠發揮補強的作 用。 另外，真空絕熱板之披覆率15〇/0,與前述相同之比較 試驗的結果，相對於習知，能夠得到節省4%電力的效果， 而其箱體剛性大致上也沒有變差。此外，披覆率為54%之 省電效果，具有比習知大24%以上之效果，箱體之剛性試 · 驗，相較習知之物也沒有比較差之結果。 由上述結果可知，真空絕熱板之披覆率小於15%，無 法得到省電及剛性面之效果，反之，雖然披覆率大於5〇% 可以得到省電的效果，但是相對於披覆率為25%，以板子 之使用量來說，並沒有得到省電效果。反之，箱體之剛性， - 會因板子之披覆面積太多，而使剛性強度變差，進而使得 整個因使用咼價之真空絕熱板所花費的費用，得到較差的 效果。 相對地，在本發明中，以玻璃絨(la)作為芯材，且其 板子中央部的熱傳導率為〇·〇〇3w/mK以下之真空絕熱板 (1)，其在相對於冰箱箱體(5)之外表面積的披覆率為#2〇% 以上的情況下，相對於習知之胺甲酸酯發泡體，真空絕熱 板的使用可以發現絕熱效果提咼且剛性變強。此外，在披 覆率為50%以下’對於防止在多數個真空絕熱板的配置之 情況下的效率變差，可以獲得最高效率之絕熱效果，因此 13 1278593 成本效率(cost effectiveness)會變高。而且，由於避免使用 不必要之板子，所以胺甲酸酯發泡體(8)不會有填充的障 礙’因此能夠抑制未填充部分及孔洞的發生。因此，藉由 具有箱體剛性之真空絕熱板的設置可以使得效果提升。 另外，在熱傳導率超過〇.〇〇3W/mk的情況下，為了確 保上述之絕熱性能，並達到減少電力消耗之效果，必須增 加板子披覆率。此時，箱體的剛性及成本、胺甲酸酯發泡 體的填充性能會變得無法維持。 此外，雖然真空絕熱板並不限於配置在外箱内面， 但是用於冷凍循環的凝縮管等高溫管係不設置在配置有高 溫絕熱板(1)的同一平面上。如上述先前技術的說明，外箱 (6)的熱會穿過板子(1)之氣體阻絕容器（lb)的周圍部分，向 絕熱壁厚的方向傳導。因此，當設置面存在有高溫管時， 為了使藉由從管子之熱傳導不會大幅降低絕熱效果，在非 必要的情況下，不要在附近配置高溫材料。 在上述實施例中，係以真空絕熱板以熱密封接著劑(4) 之貼附方式來說明，但非用以限定接著的方式，其也可以 疋以雙面膠帶緊密貼附，此時係全面性地貼附黏著用的膠 帶，並且相對於箱體面均一性且緊密地黏著。 / 另外，相對於真空絕熱板(1)之箱體内面的位置，並不 限於上述實施例之外箱（6)兩侧面。其也可以使用於平板狀 之上壁内面及其他片狀的背面板或是冰箱門内面等比較大 的面積上，而且其設置容易，並且能得到良好的絕熱效果。 相對於殘留空間，雖然胺甲酸酯發泡體(8)的填充性能也可 14 1278593 以保持，並且確保其剛性，但是不在機械室周圍設置形狀 複雜的底板及冷媒壓縮機，就無法得到上述的優點。 此外，所使用之真空絕熱板⑴並不限於家用冰箱，業 務用及展示箱（sh〇W-Case)、販賣機等需要絕熱箱體之構件 亦同樣適用。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何熟習此技藝者，在不脫離本發明之精神 和範圍内，當可作些許之更動與潤飾，因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。 【產業利用性】 、本發明因為絕熱性能提升，可以減少電力消耗，或者 因為儲藏室容積擴大，而使得設置有真统熱板之冰箱的 絕熱效率提升，而且可崎低成本。 【圖式簡單說明】 圖 之剖面示ir本㈣之—触實施綱—種真空絕熱板 圖2是圖1之真空絕熱板在抽氣真空狀態之示 立疋°又置另圖1之真空絕熱板之外箱成形狀態的剖 圖4是設置有圖 之剖面示意圖。1278593 IX. Description of the invention: [Technical field to which the invention pertains] / The present invention relates to a refrigerator formed with a heat insulating layer, which is a vacuum insulation panel attached to a heat insulating space of a cabinet and Foamed insulation material. [Prior Art] Although the polypyrene has a low thermal conductivity, because of its rigidity, foaming and filling can constitute a casing in which the outer casing and the inner phase are integrated, and become The mainstream of the insulation material of the refrigerator insulation box. However, in order to further improve the thermal insulation performance of the refrigerator, prevent heat loss, reduce power consumption, or thin the thickness of the heat insulating wall and increase the effective volume of the refrigerator, a part of the heat insulating material adopts a practical vacuum insulation board. . The vacuum insulation panel (51) used in a refrigerator has the basic structure as shown in Fig. 6. In order to suppress the material cost and to easily maintain the exhaust gas and the vacuum degree, long-term guilt is obtained, and the internal pressure can be high. In the next step, the resin foam and the inorganic fine powder and the fiber as the core material (51a) of the connected bubble structure are used, so that the formed minute space can be maintained at atmospheric pressure. Wherein, the core material (51a) is covered by a gas barrier container (51b), and the gas barrier container (51b) is formed by a synthetic resin and an aluminum foil in a laminate film. of. After the container (5ib) is evacuated due to pumping, the opening (51c) is sealed in a heat sealed manner. In addition, in order to prevent air leakage (out_gas) from the core material (51a) and the gas from entering the inner surface of the gas barrier container (51b) from the sealing surface and the surface of the 1279953, the internal pressure is increased and the deterioration is caused. And to enable the vacuum to be maintained. Generally, metals such as titanium and magnesium, alloys such as lanthanum and lithium, oxides such as oxidized, oxidized, and zeolite, activated carbon, and the like can be used for absorbing various air components such as moisture, oxygen, nitrogen, and hydrogen. The adsorbent (56) consisting of the substance - is enclosed. Regarding the heat insulating property, when an inorganic fine powder such as pearlite is used as the core material, since the wall thickness of the fine powder solid itself is thick, the volume of the heat insulating space becomes small. Further, as shown in Fig. 7, the resin foam of the continuous cell is used as the core material, and since the cell has an upper limit of the strength, the thermal conductivity of the vacuum plate has a range of 0.005 to 0.007 W/mk. ^ To achieve a low thermal conductivity of 0·002 W/mK or less, glass wool (glass w〇〇l) having a fiber diameter of several micrometers or less is required, and when this material is used as a core material, a majority can be formed. A small space and a low thermal conductivity of 0.002 W/mic is achieved. The above vacuum insulation board is fixed to the refrigerator and its respective (10) (4) by tape, double-sided tape, hot melt glue, and the heat is more than 50 〇 / 〇 or even higher. Moreover, when it is foamed with a hard urethane, it can be used to strengthen the strength of the box, so that it can maintain a high "sexual sputum. For example, "Japanese Patent Laid-Open Publication No. 2003-28562. 】 【The subject to be solved by the invention】 However, when the coverage rate of the vacuum insulation panel is relative to the outer box: 〇% or more, the vacuum insulation configuration is actually required. In the upper, back == l278593 facades, etc., generally the entire area. In addition, depending on the location to be configured, it may be necessary to unreasonably configure a special shape. So 'because the vacuum insulation board is surrounded by gas barrier The barrier container (51b)' and the gas barrier container (5沁) are formed by laminating synthetic resin and aluminum foil. Therefore, the heat of the outer case passes through the surrounding portion of the gas barrier container (51b). Conducting in the direction of the adiabatic wall thickness, the heat insulation effect of this part will be worse than that of the central part of the board. In addition, because the area of the board (51) is smaller, the average thermal conductivity of the board will be the same. Large, so the arrangement of small walls and the like on a plurality of walls may make the use efficiency of the vacuum insulation panel low. Moreover, a large amount of use will increase the cost, and the effect with respect to the total cost will be deteriorated. The arrangement of the plurality of walls causes the volume of the heat insulating space occupied by the vacuum insulation panel to become large, thereby hindering the flow of the injected urethane foam, and the unfilled portions and the holes are increased, so that filling occurs. The problem of poor efficiency. Moreover, since the arrangement of a plurality of wall surfaces occupies more area in the casing of the vacuum insulation panel, the contact area between the foamed insulation material and the inner surface of the tank is made smaller. Regarding the position of the installation and the shape of the board, there is a concern that the rigidity of the entire heat insulating box is inferior to the conventional one. Further, in the case of avoiding the uneven member provided in the heat insulating space, the vacuum heat insulating plates are respectively disposed on In-plane, however, as mentioned above, the smaller the surface area of the vacuum insulation panel, the greater the average thermal conductivity of the board. Therefore, the vacuum insulation panel will have The use efficiency is inferior. Moreover, in the case of using a crucible having a small surface area, there is also a problem that the original adiabatic effect 1279953 is deteriorated. The present invention is based on the above considerations, and is too much to provide a refrigerator. And by the effective arrangement of the vacuum insulation panel in the relative two, the cost improvement can be suppressed, and the lifting can be improved;: the heat is not hot and the urethane foam filling performance is not good. In order to solve the above problems, the refrigerator of the present invention is to be used, and the hollow heat insulating plate is attached to the inner surface of the heat insulating space of the refrigerator case. ^The air insulation plate is used as the core material, and the inside of the storage body is vacuum-exhausted. In the remaining space, the amine is embedded and embedded therein. The invention is characterized by Rate = external =; 〇r vacuum [invention effect] This X month refrigerator, through the use of vacuum insulation panels, can find the effect of box corrosion, and improve the installation of multiple vacuum insulation panels, Vacuum insulation board Problem of poor insulation. Moreover, it can be reduced and the effect relative to the cost can be improved. In addition, the filling efficiency of the amine-armor foam can be improved, and the rigidity of the box can also be improved. The above and other objects, features and advantages of the present invention will become more apparent. [Embodiment] Hereinafter, an embodiment of the present invention will be described by way of a drawing, a vacuum 1278593 heat insulating plate (1) as shown in Fig. 1, and a vacuum evacuated plate as shown in Fig. 2. The core material (la) having a fine glass fiber cotton having an average fiber length of 4 μm is used as a core material (la), and the sheet-shaped core material (la) is inserted into the gas barrier P sheep valley as (lb) ' and the gas resistance is The barrier container (ib) has a thickness of 80 to 1 pm, and the storage box and the synthetic resin are stacked in a bag shape. After the core material is inserted, the container (lb) is placed on the base (3a) of the vacuum pumping device (2), and placed in a two-stage platform (3b) provided in the vacuum chamber (7). on. After the vacuum pump (3c) is evacuated to a level of 3 to 30 Pa, a space of 20 to 50 mm is left at the opening of the container for sealing. The heat sealing (lc) is carried out at a width of l〇mm of the space left to form a plate in which the inside of the container (lb) is maintained in a vacuum reduced state. Then, by opening the chamber (3), a pressure difference is generated from the atmospheric pressure, and the core material (la) is further compressed to a degree of 1/2 to form a final thickness of 12 mm, and the longitudinal and lateral dimensions are respectively 1400 mm. 500mm vacuum insulation board (1). The vacuum insulation board (丨) is taken out by the hinge part (3d) as a fulcrum, and the cavity to the outer cover (3e) is moved back and forth in the direction of the arrow as shown in the figure, and the open opening of the heat sealing rod (3f) is at this time. It is also possible to move up and down. According to the vacuum insulation panel (i) formed by the above method, the thermal conductivity of the central portion of the board can be less than 〇.3W/rnk, and the vacuum insulation panel (1) after removal can be comprehensively on one side thereof. Sexually and uniformly coated with a rubber-based thermoplastic resin or a hot-melt adhesive (4). As shown in Fig. 3, the hot melt adhesive (4) is supplied by moving the refrigerator assembly line above the outer box (6) in a flat state, and is adhered by heat fusion. The adhesion of the agent is attached to the insulating side of the inner side of the two side walls of the formed outer casing. In addition, the vacuum insulation panel (1) is a cross-sectional view of the front side of the refrigerator as shown in Fig. 4, and a longitudinal sectional view is shown in Fig. 5. The vacuum insulation panel (1) is attached to the inner surface of the two side walls (6a) (6b) of the outer casing (6) of the outer casing, and is attached at a certain interval from the rear end and the upper and lower ends of the outer casing. Attached. Among them, the thin steel ^ is formed into a vertical type refrigerator (5). In particular, the corner bent portion (6d) located at the upper (6c)-side end point which is bent from the original flat plate in the inverse U sub-shape is processed by the two-line bending as shown in FIG. The vacuum insulation panel (1) is not brought into contact with a forming tool (9). And, the end edge of the board (1) is then at a position spaced apart from the curved forming tool (9), wherein the curved forming tool is disposed at this flex (6d). . Although the structure is simply bent and bent, the vacuum insulation panel (1) may be disposed above the forming tool (9), but as shown in Fig. 3, the vacuum insulation panel (1) and the forming tool (9) are formed during the rotary bending. When the recessed portion (9a) is formed on the forming tool (9) in a non-contact manner, the distance at which the outer box corner (bending portion) (6d) 'closes to the board (1) is the length of the recessed portion. Therefore, the surface area of the board (1) becomes large, so that the adiabatic efficiency can be improved. Therefore, the vacuum insulation panel (1) which is attached to the inner surface of the outer casing and formed into a box shape by a curved shape can prevent the vacuum insulation panel which is bent and bent from coming into contact with the forming tool and being damaged. After the vacuum insulation panel is followed by the subsequent engineering, the upper and the two sides are formed into a reverse U-shaped bent outer box (6), and the bottom panel and the back panel are collectively 127993 - and are placed into a box type, and by The sealing process is combined with the inner box p forming the storage compartment. With respect to the remaining space between the inner and outer casings, the inner and outer casings (6) (7) and the vacuum insulation panels (1) are integrally fixed and rigid by the foaming process of the foamed heat insulating material composed of polyurethane. Insulation box. When there is space between the above vacuum insulation board (1) and the refrigerator outer box (6), j will make the outer surface of the outer box uneven, not only unsightly, but also the rigidity of the box will be weak. In addition, on the side of the heat insulating space, in order to prevent the polyurethane resin liquid from being blocked due to the flow of the urethane liquid, the unfilled portion of the polyurethane foam insulating material is generated, thereby causing void formation, which deteriorates the heat insulating property. When the outer casing of the refrigerator of the above-mentioned vacuum insulation panel (1) is fixed, it is necessary to pay special attention to avoid a gap in the flat surface of the outer casing. Therefore, since the surface of the vacuum insulation panel (1) has less uneven portions and curved portions, that is, it is smooth, there is no gap between the heat-melting adhesive (4) fixed to the inner surface of the outer casing when the subsequent step is performed. And can be surely sealed. Further, since there is no uneven portion on the side of the heat insulating space to which the board is attached, the urethane liquid can flow smoothly and is filled in such a manner that no holes are formed. Finally, the constructed casing can maintain good thermal insulation performance' and strong adhesion between the foamed insulation material (8) and the inner box (7) and the outer box (6) and the vacuum insulation panel (1) It can constitute a rigid case (5). Therefore, the ratio of the vacuum insulation panel (1) to the surface area of the outer casing (6) is 25%. 'Compared with the conventional refrigerator using the same capacity of the amine phthalate foam insulation material', the power consumption reduction is reduced by 15 More than % effect. Since the vacuum heat insulating plate (!) 12 1278593 is a single largest-area plate body at a plurality of side walls provided separately, the above-described adiabatic efficiency is improved. In addition, the rigidity test result of the box is higher than the conventional one, because the vacuum insulation board (1) having a large area and a rigid structure is densely disposed in the vertical direction of the two side walls of the outer box (6), so Can play a reinforcing role. Further, the coverage of the vacuum insulation panel was 15 〇/0, and as a result of the comparison test as described above, it was possible to obtain an effect of saving 4% of electric power with respect to the conventional one, and the rigidity of the casing was not substantially deteriorated. In addition, the drape rate is 54% of the power-saving effect, which is 24% more than the conventional one. The rigidity test of the box is not as bad as the conventional one. It can be seen from the above results that the coverage of the vacuum insulation panel is less than 15%, and the effect of power saving and rigid surface cannot be obtained. On the contrary, although the coverage ratio is greater than 5〇%, the power saving effect can be obtained, but the coverage ratio is relatively high. 25%, in terms of the amount of board used, did not get power saving effect. On the contrary, the rigidity of the box, - due to the too large coating area of the board, the rigidity strength is deteriorated, and the cost of the entire vacuum insulation board due to the use of the price is obtained, resulting in a poor effect. In contrast, in the present invention, a glass wool (la) is used as a core material, and a thermal insulation plate (1) having a thermal conductivity of a central portion of the plate of 〇·〇〇3w/mK or less is opposed to the refrigerator case. (5) When the coverage ratio of the outer surface area is #2% or more, the use of the vacuum insulation panel with respect to the conventional urethane foam can be found to increase the heat insulation effect and increase the rigidity. Further, in the case where the coverage is 50% or less, the efficiency of the most efficient vacuum insulation panel is prevented from deteriorating, and the heat efficiency of the highest efficiency can be obtained, so that the cost efficiency of 13 1278593 becomes high. Moreover, since the unnecessary plate is avoided, the urethane foam (8) does not have a barrier to filling, and thus the occurrence of unfilled portions and voids can be suppressed. Therefore, the effect can be improved by the arrangement of the vacuum insulation panel having the rigidity of the casing. Further, in the case where the thermal conductivity exceeds 〇.〇〇3 W/mk, in order to secure the above-described heat insulating performance and to achieve the effect of reducing power consumption, it is necessary to increase the board coverage ratio. At this time, the rigidity and cost of the casing and the filling performance of the urethane foam become unsustainable. Further, although the vacuum insulation panel is not limited to being disposed on the inner surface of the outer casing, the high temperature piping such as the condensation tube used for the refrigeration cycle is not disposed on the same plane on which the high temperature insulation panel (1) is disposed. As explained in the above prior art, the heat of the outer casing (6) passes through the surrounding portion of the gas barrier container (lb) of the plate (1), and is conducted in the direction of the thickness of the insulating wall. Therefore, when a high temperature pipe is present on the installation surface, in order to prevent the heat conduction effect from being greatly reduced by heat conduction from the pipe, it is not necessary to dispose the high temperature material in the vicinity. In the above embodiment, the vacuum insulation panel is attached by means of a heat-sealing adhesive (4), but it is not limited to the subsequent manner, and it can also be closely attached by double-sided tape. Adhesive tape is fully attached and adhered uniformly and tightly to the surface of the case. Further, the position of the inner surface of the casing relative to the vacuum insulation panel (1) is not limited to the two sides of the casing (6) other than the above embodiment. It can also be used on a relatively large area such as a flat upper surface of the flat plate and other sheet-like back panels or the inner surface of the refrigerator door, and it is easy to set up and can provide a good heat insulating effect. With respect to the residual space, although the filling performance of the urethane foam (8) can be maintained at 14 1278593 and the rigidity is ensured, the above-mentioned complicated bottom plate and refrigerant compressor are not disposed around the machine chamber, and the above-mentioned The advantages. Further, the vacuum insulation panel (1) to be used is not limited to a domestic refrigerator, and a member requiring a heat insulating box such as a business and display case (sh〇W-Case) or a vending machine is also applicable. While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application. [Industrial Applicability] The present invention can reduce power consumption due to an increase in heat insulating performance, or increase the heat insulating efficiency of a refrigerator provided with a true hot plate due to an increase in the volume of the storage compartment, and can be low in cost. [Simple diagram of the diagram] The section of the diagram shows the ir (4) - the implementation of the scheme - a vacuum insulation panel. Figure 2 is the vacuum insulation of the vacuum insulation panel of Figure 1 in the state of the vacuum and the vacuum insulation of Figure 1. FIG. 4 is a cross-sectional view showing a state in which the outer casing of the plate is formed.
1之真空絕熱板之冰箱由其正面所得 圖5是圖4之縱向剖面示意圖。 圖疋‘知一種真空絕熱板之基本構造的剖面示意 15 1278593 圖7是有關於芯材之真空度與熱傳導率之比較關係 圖。 【主要元件符號說明】 1、51 :真空絕熱板 la、 51a :芯材 lb、 51b :氣體阻絕容器 lc、 51c :熱密封 2:真空抽氣裝置 3:真空腔室 3a ·基座 3b :平台 3c :真空幫浦 3d :鉸鏈部 3e :腔室外罩 3f :熱密封桿 4:熱融黏著劑 5 :冰箱 6 :外箱 6a、6b :侧面部 6c :上面 6d :折曲部 7 :内箱 8:發泡絕熱材 9:曲形成形工具 16 1278593 9a:具有可移動處之凹陷部 56 :吸附劑 17The refrigerator of the vacuum insulation panel of 1 is obtained from the front side thereof. Fig. 5 is a longitudinal sectional view of Fig. 4. Figure 疋 'Knowledge of the basic structure of a vacuum insulation panel 15 1278593 Figure 7 is a graph showing the relationship between the degree of vacuum and the thermal conductivity of the core material. [Main component symbol description] 1, 51: Vacuum insulation panel la, 51a: Core material lb, 51b: Gas barrier container lc, 51c: Heat seal 2: Vacuum suction device 3: Vacuum chamber 3a • Base 3b: Platform 3c: vacuum pump 3d: hinge portion 3e: chamber outer cover 3f: heat sealing rod 4: hot melt adhesive 5: refrigerator 6: outer case 6a, 6b: side portion 6c: upper surface 6d: bent portion 7: inner box 8: Foamed insulation material 9: Curved forming tool 16 1278593 9a: recessed portion 56 with movable portion: adsorbent 17