M427672 . 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種接線盒，特別係關於以電性連接電 子元件之金屬片作為散熱結構，傳導該電子元件通電時產 生的熱之接線盒。 【先前技術】 太陽能發電模組係藉由接線盒連接複數片太陽能面板 • 所組成。如此的接線盒中係設置二極體等的電子元件連接 於太陽能面板之間以防止逆向電流損傷太陽能面板，然 而，電子元件通電時產生的高熱，除了會影響電子元件本 身，亦會影響太陽能面板的壽命，且亦有安全性的顧慮， 對此，接線盒通常具有散熱結構。 習用接線盒中，通常係對於各導電部施以絕緣處理， 再以另外的金屬製散熱構件與工作中發熱的電子元件導熱 性連結。如此的接線盒中，因金屬製品的採用，成本較高。 ® 又因必須對於各導電部施以絕緣處理，不僅是用於此絕緣 處理中的導熱介面會造成材料的增加，絕緣處理本身亦成 為製程的增加，同樣地導致成本的提高。 【新型内容】 對此，本創作的目的係提供一種接線盒，其係由絕緣 材料所構成，並且以電性連接電子元件的金屬片作為散熱 結構，傳導該電子元件通電時產生的熱，藉此，省略絕緣 3 M427672 處理^料與製程，改善上述成本提高的問題點。 配心、第一側面以及與第-側面相鄰的第I’容置槽 的会属本體上的第二本體；設於底面且包含第貝面，組 -邊緣，：:部― 子元件。认置於各置槽内，與金屬片電性連=電 %伸::邊第二延伸部，自金屬片中相鄰於笛 伸部可自並與第二側面抵接。另外Ϊ 抵接。或第二延伸部延伸出，並心第二延 成’ 態:接線盒係包含:由絕緣持料_ 以;^ 置槽的第—本體，容置槽包含底而科所賴 與第一側面相鄰的第_ _ 、第一侧面 二本體;以及設於=1;:面於第一本體上的第 屬片’立起部係自金屬片立起部以及第三延伸部的金 第li面1第二_第伸出，立起於底面且未抵接於 與第二本體:接:及延伸部係自立起部延伸出，並 連接的電:=，設置於容置槽内，與金屬片電性 伸部=，第三延伸部可對向金屬片或對向底面。第三延 出，奸。底面而形成時，第四延伸部可自第三延伸部延伸 相鄰於與第二側面抵接。另外，第一延伸部可自金属片中 拉立起部且靠近第一側面的邊緣延伸出，並與第一側 ' β另外，上述立起部可為彈性立起部。 -本創作之另-型態的接線盒係包含：由 方=谷置槽的第—本體，容置槽包含底面、第抖所構 以及與第-側面相鄰的第二側面；組第-側面 二本體；以及彼此不接觸地並設於底面的餘;的第 面之邊緣延伸出，並與第___ 屬片罪近第一側 龙兴弟一側面抵接；以及，讯 槽内’與金屬片電性連接的複數個電子元件。於容置 此時更可包含第二延伸部，自並設的該也 外侧的二金屬片之任—者中，相鄰於第—延:片之 二侧面之邊緣延伸出，並與第二側面抵接。第 可包含第三延伸部，自該些第—延伸部之任_ 二’ 或自第二延伸部延伸出，並與第二本體抵接。 、本創作之另-型態的接線盒係包含：由絕緣材料 成’具有纟置槽的第-本體，纟置槽包含底面、第 以及與第-侧面相義第二側面：組配於第_本體上 二本體；以及彼此不接觸地並設於底面的複數個金屬片， 該些金屬片各包含立起部以及第三廷伸部，立起部係自該 些金屬片延伸出，立起於底面且未抵接於第一側面與第二 側面，第三延伸部係自立起部延伸出，並與第二本體抵接。 此時，該些第三延伸部可對向對應延伸出的該金屬片 或對向底面。第三延伸部對向底面而形成時，第四延伸部 可自並設的該些金屬片之外側的二金屬片之任一者中的第 三延伸部延伸出，並與第二側面抵接。另外，第一延伸部 可自金屬片中相鄰於立起部且靠近第一側面之邊緣延伸 出，並與第一側面抵接。另外，上述立起部可為彈性立起 M427672 【實施方式】 圖1係本創作之接線盒一實施型態的示意圖。 型態係㈣於太陽能發電齡中，連接複數太陽能^ 的接線盒為例進行說明。本創作的接線盒咖係由耐 及加工性良好的絕緣材料，例如可由塑膠材料或陶好 等所構成4者’更可採用於塑膠材料或喊材料'齡 铭粉、銅料熱良導騎成的散熱_材料或散熱陶^ 料。為了顧及散熱效果，在可維持充分強度的情況下 線盒100的各部分的厚度以薄層為佳。如圖i所示， 盒100包含第一本體110及第二本體120。第一本體η 具有-容置槽，容置槽包含底面U1、第一側面112a 0 與第一侧面112a相鄰的第二側面112be第二本體12〇 配於第一本體11G上，具體地’第二本體12G細一= 的型態，覆蓋於容置槽的開口。 體 接線盒100中並設有複數個金屬片200，該些金 200係作為接線盒1〇〇中電子元件9〇〇 (例如二極體）的 接疋件，同時亦作為散熱結構。金屬片2〇〇的材質係以雷 阻值小、對於電子元件的連結作業性（例如焊接作業性 良好、並且導熱性佳的材料，例如銅等的材料構成為較佳。 金屬片200可藉由螺絲、鉚釘等的固定件28〇設於底面 本實施型態中，並設的複數個金屬片中，非為二外侧 的金屬片200係包含一第一延伸部221，其係片面狀地從 金屬片200延伸出。第一延伸部221係平面地接觸於底面 ηι以外的其他面。具體地，本實施型態中，第一延伸部 M427672 221係從金屬片200設於底面111的一邊緣，&每 向第一側面 112a延伸’於底面111與第一側面112a交界的位 直·考折立 起’平面地接觸於第一側面112a。而相鄰於笫一 u a ^ 延伸部22i 的相對兩側的金屬片200亦向立起於底面ιη^ A丄的万向彎扣M427672 . V. New description: [New technical field] This is a junction box, especially for the junction box that electrically connects the metal parts of the electronic components as a heat dissipation structure, and conducts heat generated when the electronic components are energized. . [Prior Art] The solar power module is composed of a plurality of solar panels connected by a junction box. Such a junction box is provided with electronic components such as diodes connected between the solar panels to prevent reverse current from damaging the solar panel. However, the high heat generated when the electronic components are energized may affect the solar panel itself and also affect the solar panel. The life expectancy and safety concerns, for this, the junction box usually has a heat dissipation structure. In the conventional junction box, the conductive portions are usually insulated, and the other metal heat dissipating members are thermally coupled to the electronic components that generate heat during operation. In such a junction box, the cost is high due to the use of metal products. ® Because of the need to insulate the conductive parts, not only the thermal interface used in this insulation process will increase the material, but the insulation process itself will also increase the process, which will also lead to an increase in cost. [New content] In this regard, the purpose of the present invention is to provide a junction box which is composed of an insulating material and which is electrically connected to a metal piece of an electronic component as a heat dissipation structure to conduct heat generated when the electronic component is energized. Therefore, the insulation 3 M427672 processing material and process are omitted, and the above-mentioned problem of cost increase is improved. The first side and the first side of the I' accommodating groove adjacent to the first side are the second body on the body; the bottom surface is provided on the bottom surface and includes a scallop, a group-edge, and a:-sub-element. It is placed in each slot and electrically connected to the metal piece = electric extension: the second extension portion is adjacent to the flute portion of the metal sheet and can abut the second side surface. Also Ϊ abut. Or the second extension extends out, and the second extension of the core is in a state: the junction box comprises: the first body of the slot by the insulating material _ _; the accommodating groove comprises the bottom and the first side Adjacent _ _ , first side two bodies; and set at =1;: the first piece erected on the first body is a metal piece rising portion and a third extension part of the gold The second surface of the surface 1 protrudes from the bottom surface and is not abutted to the second body: the connection portion and the extension portion extend from the rising portion, and the connected electricity:= is disposed in the receiving groove, and Metal sheet electrical extension =, the third extension can be opposite the metal sheet or the opposite bottom surface. The third extension, rape. When the bottom surface is formed, the fourth extension portion may extend from the third extension portion adjacent to the second side surface. In addition, the first extension portion may extend from the metal sheet and extend away from the edge of the first side surface, and together with the first side 'β, the rising portion may be an elastic rising portion. - The other-type junction box of the present invention comprises: a first body which is grooved by a square = valley, the receiving groove comprises a bottom surface, a first shaking structure and a second side adjacent to the first side; a side body; and a side of the bottom surface that is not in contact with each other and disposed on the bottom surface; and the edge of the first side extends and abuts on the side of the first side of the first ___ genus; and, in the signal slot A plurality of electronic components electrically connected to the metal piece. In this case, the second extension portion may be further included, and the edge of the two sides of the second extension is extended from the edge of the second side of the sheet, and the second portion The side is abutted. The third extension portion may extend from the second extension portion of the first extension portion or from the second extension portion and abut against the second body. The other-type junction box of the present invention comprises: a first body having an insulating groove formed by an insulating material, the bottom groove including a bottom surface, and a second side opposite to the first side surface: a plurality of metal bodies on the body; and a plurality of metal sheets disposed on the bottom surface in contact with each other, the metal sheets each including a rising portion and a third protruding portion, and the rising portion extends from the metal sheets Starting from the bottom surface and not abutting the first side surface and the second side surface, the third extension portion extends from the rising portion and abuts against the second body. At this time, the third extending portions may oppose the corresponding metal piece or the opposite bottom surface. When the third extending portion is formed opposite to the bottom surface, the fourth extending portion may extend from the third extending portion of the two metal sheets on the outer side of the metal sheets, and abut the second side surface . Additionally, the first extension may extend from the edge of the sheet adjacent the riser and adjacent the first side and abut the first side. In addition, the rising portion can be elastically erected M427672. [Embodiment] FIG. 1 is a schematic view showing an embodiment of the junction box of the present invention. The type system (4) is an example of a junction box connecting a plurality of solar cells in the solar power generation age. The junction box of this creation is made of insulating materials with good resistance to processing, such as plastic materials or ceramics. It can be used in plastic materials or shouting materials. The heat dissipation _ material or heat dissipation material. In order to take into consideration the heat dissipation effect, the thickness of each portion of the wire box 100 is preferably a thin layer while maintaining sufficient strength. As shown in FIG. 1 , the cartridge 100 includes a first body 110 and a second body 120 . The first body η has a accommodating groove, and the accommodating groove includes a bottom surface U1, a first side surface 112a0, and a second side surface 112be adjacent to the first side surface 112a. The second body 12 is coupled to the first body 11G, specifically The second body 12G is in the form of a thin one, covering the opening of the receiving groove. The body junction box 100 is provided with a plurality of metal sheets 200, which are used as the connectors of the electronic components 9 (for example, diodes) in the junction box 1 and also serve as a heat dissipation structure. The material of the metal piece 2 is preferably a material having a small lightning resistance value and a connection workability with respect to an electronic component (for example, a material having good soldering workability and good thermal conductivity, for example, a material such as copper. A fixing member 28 such as a screw or a rivet is disposed on the bottom surface in the present embodiment, and among the plurality of metal sheets, the non-two outer metal sheets 200 include a first extending portion 221 which is flaky The first extending portion 221 is in planar contact with the other surface than the bottom surface η. Specifically, in the embodiment, the first extending portion M427672 221 is provided from the metal sheet 200 on the bottom surface 111. The edge, & each extending toward the first side 112a', is positioned at the boundary between the bottom surface 111 and the first side surface 112a, and is erected 'planarly in contact with the first side surface 112a. Adjacent to the first uniform portion 22i The metal sheet 200 on the opposite sides also faces the universal buckle which is raised on the bottom surface ιη^ A丄
成為立起部230，作為與電子元件900電性連接的 ^ 209»電子元件900係設於相異的金屬片200之間，可藉部 例如，焊接、壓接、插設等習用的組裝法，以端子由 金屬片的連接部209電性連接。上述固定件28〇除了用^ 將金屬片200固設於第一本體11〇之外，如圖i所示亦 可用於將來自接線盒100外部的導線902電性連接於金屬 片200。另外，本實施型態中，第一延伸部221係彎折至 可供固定件280固定的位置而被固定件280固定，但不限 於此，只要可將金屬片200固設於第一本體11〇,金屬片 2〇〇與固定件280之間可為任意的固設型態。 第一本體110係設有連通接線盒内部與外部的通孔 14〇，金屬片200另包含接點270，接點270可位於金屬片 2〇〇的任意位置，將金屬片2〇〇設於接線盒1〇〇時，外部 電路可透過通孔140與接點270電性連接。 電子元件900通電時產生的熱，經由端子傳遞至 連接部209，進而傳遞至金屬片200整體。其熱係藉由金 屬片200與第一本體110底面ill的接觸而自底面ill散 熱至外部，並且藉由片面狀的第一延伸部221與第一侧面 112a的接觸而自第一側面112a散熱至外部。 圖1中係表示設置四個金屬片的接線盒的實施型態， 但因接線盒100與外部導線902的配置位置的關係，二外 側的二金屬片並未包含第一延伸部221。對此，只要顧慮 7 到接線盒與外部導線的配置位置的關係，例如，導線902 並非從圖1所示的位置進入接線盒10〇,而從第一本體11〇 的轉角，或是從與第一延伸部221接觸第一側面Ii2a之相 鄰的一面（即第二侧面112b)進入接線盒1〇〇時，二外側 的二金屬片亦可包含第一延伸部221 (未圖示）。 圓2係本創作之接線盒其他實施型態的示意圖。圖2 與圖1的差異僅在於圖2中二外側的二金屬片2〇〇係包含 第二延伸部222，在此，僅敘述此差異部分，省略整體的 描述。如圖2所示，複數個金屬片2〇〇之中，因二外侧的 金屬片僅與一電子元件900電性連結，第二延伸部222即 可從相對於金屬片200與電子元件900電性連接的邊緣延 伸出，並平面地接觸於底面lu以外的其他面。具體地， 本實施型態中'，二外侧的金屬片2〇〇中，第二延伸部221 係從金屬片200設於底面m的一邊緣，向第二側面ii2b 延伸，於底面111與第二側面112b交界的位置彎折立起， 平面地接觸於第二侧面112b，即相對於金屬片細未與電 子元件900電性連接的一邊緣外側的第二側面112]^而金 屬片20G中相對於第二延伸部222的邊緣亦向立起於底面 110的方向彎折成為立起部23〇,作為與電子元件9⑻電性 連接的連接部209。 電子元件900通電時產生的熱，經由端子9〇1傳遞至 連接部209,進而傳遞至金屬片2〇〇整體。其熱係藉由 屬片200與第一本體11〇底面⑴的接觸而自底面⑴散 熱至外部’並且藉由片面狀的第二延伸部222與第二侧面 112b的接觸而自第二侧面U2b散熱至外部。 圖2中係表示設置複數種金屬片的接線盒的實施型 M427672 態’但因接線盒100與外部導線9〇2的配置位置的關係， 二外側的二金屬片並未包含第—延伸部221。對此，只要 顧慮到接線盒與外部導線的配置位置的關係，例如，導線 902並非從圖2所示的位置進入接線盒1〇〇，而從第一本體 110的轉角的外側進入接線盒1〇〇時，二外侧的二金屬片 不僅可包含第二延伸部222，亦可包含第一延伸部221 (未 圖示）。 圖3係本創作之接線盒其他實施型 態的示意圖，圖4 • 係表示圖3中的散熱結構與蓋體内面（頂面）的位置關係 的不意圖。如圖3所示，金屬片2〇〇設於底面U1的位置 的相對兩側邊緣，分別向立起於底面1U的方向彎折形成 立起部230，之後，將立起的二立起部23〇，以等同於第一 側面112a與第二侧面112b的高度距離，向對向方向彎折， 以略呈矩形通道的型態，形成第三延伸部223。藉由第三 延伸部223平面地接觸於底面以外的其他面，具體地，如 圖4所不，第二延伸部223係以其上面，平面地接觸於第 φ 一本體12〇的内面（頂面）121。立起部230係可作為與電 子元件900電性連接的連接部2〇9，如圖3、圖4所示，本 實施型態中，連接部2〇9為設於立起部23〇的孔洞型態的 連接部，電子元件900係設於相異的金屬片2〇〇之間，以 端子901插通孔洞型態的連接部2〇9，並藉由例如，焊接、 壓接等s用的組襞法與金屬片200電性連接，但連接部2〇9 的型態不限^此’例如’連接部209亦可為狹縫型態的連 接部。為了藉由固定件28〇 (參閱圖將如此的金屬片 200設置於底面111，可於第三延伸部223形成缺口 225， •於組裝金屬片200時，使固定件280、以及用以固設固定 M427672 件的工具通過缺口 225進行組裝作業。 電子元件900通電時產生的熱’經由端子9(Π傳遞至 連接部209，進而傳遞至金屬片200整體。其熱係藉由金 屬片200與接線盒1〇〇底面丨1〇的接觸而自底面11〇散熱 至外部，並且藉由片面狀的第三延伸部223與第二本體120 内面（頂面）121的接觸而自第二本體12〇散熱至外部。 圖3中係表示設置單一種金屬片的接線盒的實施型 態’但若金屬片200已保留與電子元件900連接的連接部 209’以及來自接線盒外部的導線的走線空間乃至與該導線 電性連接的位置，二外側的二金屬片可同時包含上述第一 延伸部221、第二延伸部222、以及第三延伸部223，如圖 5所示。 此時，第一延伸部221與第二延伸部222係從金屬片 200設於底面111的位置的相鄰二邊緣，向立起於底面m 的方向彎折該金屬片，並平面地接觸於其分別靠近的第一 侧面112a與第二侧面U2b。之後，更彎折第二延伸部222 以對向對應延伸出的金屬片，成為第三延伸部223。另外， 金屬片200中相對於第二延伸部222之邊緣亦向立起於底 面111的方向彎折成為立起部230,以作為與電子元件900 電性連接的連接部209,並更向第二延伸部222的方向彎 折成第三延伸部223。 再者’圖5中，非為外侧的金屬片中，除了形成如圖 3所示的型態之外，更可向第一側面112a延伸形成第一延 伸部221，於底面U1與第一側面112a交界的位置彎折立 起，平面地接觸於第一側面112a。 圖3與圖5所示的第三延伸部223係金屬片200立起 M427672 於底面111之後.，再向對向方向彎折立起部230及/或第 二延伸部222，成為上面具有狭縫的第三延伸部223，但不 限於此，例如，如圖7所示，可由第一延伸部221彎折以 形成第三延伸部223，或者，亦可由第二延伸部222或由 立起部230彎折成為第三延伸部223。如此形成的第三延 伸部223上面未具有狹縫，可藉由較大的熱傳導面積，將 熱傳導至第二本體120。此時，為了藉由固定件280將如 此的金屬片200設置於底面111，可於第三延伸部223形成 缺口 225，於組裝金屬片200時，使固定件280、以及用以 固設固定件的工具通過缺口 225進行組裝作業。 圖6係本創作之接線盒其他實施型態的示意圖。圖6 中僅二外側的二金屬片200與圖5中二外側的二金屬片200 型態相異，在此，僅說明此相異之處而省略接線盒整體的 說明。 如圖6所示，二外側的二金屬片200係從金屬片200 設於底面111的位置的相對兩邊緣，分別向立起於底面111 的方向彎折形成立起部230，之後，更將靠近外側的立起 部230向第二側面112b的方向，以第二側面112b的高度 距離，彎折形成對向底面111的第三延伸部223，並且，更 進一步地向底面111的方向，以該立起部230至第二側面 112b之間的距離，彎折此第三延伸部223，形成第四延伸 部224。另外，將遠離第二侧面112b的立起部230向同第 二側面112b的方向，以第二側面112b的高度距離，彎折 形成對向對應延伸出的金屬片的第三延伸部223。藉此， 以同金屬片形成的二個第三延伸部223係以上面平面地接 觸於第二本體120的内面（頂面）121，同金屬片形成的第 11 M427672 四延伸部係平面地接觸於第二侧面112b。如此，即可藉由 更大的接觸面積進行散熱。為了藉由固定件280將如此的 金屬片200設置於底面111 ’可於遠離第二側面112b的第 三延伸部223形成缺口 225，於組裴金屬片200時，使固 定件280、以及用以固設固定件的工具通過缺口 225進行 組裝作業。 以上敘述了複數種類的金屬片’若顧慮改善散熱效果 時’可於一接線盒中應用複數種類的金屬片，如圖1、圖2、 圖5、圖6、圖7所示。但若顧慮生產時的零件管理時，可 僅利用單一種類的金屬片例如圖3所示的金屬片進行生 產。 上述各實施型態以及各圖式係平面狀地彎折金屬片使 各延伸部平面地接觸於底面以外的其他面，但不限於此， 例如，利用金屬本身的彈性，將未彎折的金屬片設置於底 面時’延伸部自然地彈性彎曲變形，平面接觸於第一侧面、 第二側面。如此地形成散熱結構時，雖然金屬片與接線盒 於接線盒的面與面的交界處無法完全平面地接觸而留有圓 弧的間隙’但可省去彎折金屬片的製程步驟，並且，可避 免因彎折精確度的誤差造成延伸部無法接觸到接線盒内面 的情況發生。 另外，繼屬片時亦可不彎折成為與接線盒内面相 同的角度，例如將圖！令所示的第一延伸部221彎折時， 金屬片200不彎折成對應底面與第—側面的夾角之产， 而彎折成大於底面與第-側面的夾角之％度的鈍角义角 度。組裝時，利用金屬片本身的彈性，將呈鈍 的金 屬片設置於底面，此時，第-延伸部自然地彈性弯曲^形， M427672 r此地形成散熱結構時，_ 位時•^/、兀王未彎折的金屬片相較，可減小組裝對 4:=彈！，且可縮小上述未彎折的金屬片與接線 線i的面與面的交界處之間形成的圓弧間隙，並藉 金屬片本身的彈力’平面地接觸於接線盒内面。 再者，如圖8所示，可採用些微高於第一側面、第二 Π高且可彈性變形的彈性立起部231取代立起^ 一制面的延伸部223的位置設定為略高於第一側面、第 面的向度。以第二本體（蓋體）12〇覆蓋容置槽的開 =’内自（頂面）121將先接抵於第三延伸部223，壓抵 彈L立起部231彈性變形，之後’利用第-本體110與第 一體120之間的蓋合結構，例如習用的卡鉤、卡样、 迫费，環、螺栓，或者第一本體110與第二本體120之間 的磨擦力等（未圖示）使第一本體110與第二本體120蓋 合。此時，第三延伸部223即可緊密地接抵於内面（頂面） 12卜雖未圖示，但圖8中所示的彈性立起部231亦可應用 於取代圖5、圖6、圖7中的各立起部230。並且，只要可 彈性變形、不與相異金屬片接觸，且施力使第三延伸部緊 密地接抵於第二本體的内面（頂面），彈性立起部23ι不限 於圖8中所示的型態而可適當地變化。 各圖式中係繪示具有並設四個金屬片的接線盒，但不 限於此，應用時可對應實際的情況設置適當數^的:屬 片。上述各實施型態係以用於太陽能發電模組中，連接複 數片太陽能面板的接線盒為例，接線盒中的電子元件係以 二極體為例進行說明，但秘於此，只要是可藉由複數個 金屬片連接電子元件，將電子元件通電時的熱，藉由延伸 13 M427672 部與接線盒平面地接觸而傳熱，將熱散熱至外部，接線盒 可用於各種電性連接，電子元件亦不限於二極體之被動元 件而亦可為電晶體等的主動元件。 如上所述，本創作的接線盒係由絕緣材料所構成，並 且，僅以金屬片電性連接電子元件並傳導該電子元件通電 時產生的熱，藉此，即可省略絕緣處理的材料與製程，改 善成本提高的問題點。 【圖式簡單說明】 圖1係本創作之接線盒一實施型態的示意圖。 圖2係本創作之接線盒的其他實施型態的示意圖。 圖3係本創作之接線盒的其他實施型態的示意圖。 圖4係表示圖3中的散熱結構與蓋體内面（頂面）的 位置關係的示意圖。 圖5係本創作之接線盒的其他實施型態的示意圖。 圖6係本創作之接線盒的其他實施型態的示意圖。 圖7係本創作之接線盒的其他實施型態的示意圖。 圖8係本創作之接線盒的其他實施型態的示意圖。 【主要元件符號說明】 100 :接線盒 111 :底面 112b :第二側面 121 :内面（頂面） 110 :第一本體 112a :第一側面 120 :第二本體（蓋體） 140 :通孔 M427672 200 :金屬片 209 : 連接部 221 :第一延伸部 222 ： 第二延伸部 223 :第三延伸部 224 ： 第四延伸部 225 :缺口 230 ： 立起部 231 :彈性立起部 270 ： 接點 280 :固定件 900 ： 電子元件 901 :端子 902 ： 導線 15The rising portion 230 is disposed between the dissimilar metal sheets 200 as the electronic component 900 electrically connected to the electronic component 900, and can be assembled by a conventional assembly method such as soldering, crimping, or insertion. The terminals are electrically connected by the connection portion 209 of the metal piece. The fixing member 28 can be used to secure the wire 902 from the outside of the junction box 100 to the metal piece 200, as shown in FIG. In addition, in the embodiment, the first extending portion 221 is bent to a position where the fixing member 280 can be fixed and fixed by the fixing member 280, but is not limited thereto, as long as the metal piece 200 can be fixed to the first body 11 〇, the metal piece 2 〇〇 and the fixing member 280 can be in any fixed configuration. The first body 110 is provided with a through hole 14〇 communicating with the inside and the outside of the junction box. The metal piece 200 further includes a contact 270. The contact 270 can be located at any position of the metal piece 2〇〇, and the metal piece 2 is disposed on the metal piece 2 When the junction box is 1 外部, the external circuit can be electrically connected to the contact 270 through the through hole 140. The heat generated when the electronic component 900 is energized is transmitted to the connection portion 209 via the terminal, and is transmitted to the entire metal piece 200. The heat is radiated from the bottom surface ill to the outside by the contact of the metal piece 200 with the bottom surface ill of the first body 110, and the heat is dissipated from the first side surface 112a by the contact of the sheet-like first extending portion 221 with the first side surface 112a. To the outside. Fig. 1 shows an embodiment of a junction box provided with four metal sheets, but the two outer metal sheets do not include the first extension portion 221 due to the arrangement position of the junction box 100 and the outer conductor 902. In this regard, as long as the relationship 7 to the arrangement position of the junction box and the external wires is concerned, for example, the wire 902 does not enter the junction box 10A from the position shown in FIG. 1, but from the corner of the first body 11〇, or from When the first extending portion 221 contacts the adjacent one side of the first side surface Ii2a (ie, the second side surface 112b) and enters the junction box 1 ,, the two outer metal sheets may also include the first extending portion 221 (not shown). Circular 2 is a schematic diagram of other implementations of the junction box of this creation. 2 differs from FIG. 1 only in that the two outer metal sheets 2 in the outer side of FIG. 2 include the second extending portion 222. Here, only the difference portion will be described, and the overall description will be omitted. As shown in FIG. 2, among the plurality of metal sheets 2, since the two outer metal sheets are electrically connected only to one electronic component 900, the second extension portion 222 can be electrically connected from the metal sheet 200 and the electronic component 900. The edges of the sexual connections extend out and are in planar contact with other faces than the bottom surface lu. Specifically, in the present embodiment, in the two outer metal sheets 2, the second extending portion 221 is provided on the edge of the bottom surface m from the metal sheet 200, and extends to the second side surface ii2b, and the bottom surface 111 and the second surface The position of the boundary of the two side faces 112b is bent and rises, and is in planar contact with the second side face 112b, that is, opposite to the second side face 112 of the outer side of the edge of the metal piece that is not electrically connected to the electronic component 900. The edge of the second extending portion 222 is also bent in a direction rising from the bottom surface 110 to form a rising portion 23A as a connecting portion 209 electrically connected to the electronic component 9 (8). The heat generated when the electronic component 900 is energized is transmitted to the connection portion 209 via the terminal 9〇1, and is transmitted to the entire metal piece 2〇〇. The heat is radiated from the bottom surface (1) to the outside by contact of the base piece 200 with the bottom surface (1) of the first body 11 and is contacted from the second side surface U2b by the contact of the second extending portion 222 of the sheet-like surface with the second side surface 112b. Cool to the outside. 2 shows an embodiment of the junction box in which a plurality of metal sheets are provided. However, due to the arrangement position of the junction box 100 and the outer conductors 9〇2, the two outer metal sheets do not include the first extension portion 221 . In this regard, as long as the relationship between the arrangement position of the junction box and the external wires is concerned, for example, the wire 902 does not enter the junction box 1〇〇 from the position shown in FIG. 2, but enters the junction box 1 from the outside of the corner of the first body 110. In the case of 〇〇, the two outer metal sheets may include not only the second extension portion 222 but also the first extension portion 221 (not shown). Fig. 3 is a schematic view showing another embodiment of the junction box of the present invention, and Fig. 4 is a schematic view showing the positional relationship between the heat dissipation structure of Fig. 3 and the inner surface (top surface) of the cover. As shown in FIG. 3, the metal piece 2 is disposed on opposite side edges of the bottom surface U1, and is bent in a direction rising from the bottom surface 1U to form a rising portion 230, and then the rising two rising portions are formed. 23〇, the third extension portion 223 is formed by bending in a direction opposite to the height of the first side 112a and the second side 112b in a direction of a slightly rectangular passage. The third extending portion 223 is in planar contact with the other surface than the bottom surface. Specifically, as shown in FIG. 4, the second extending portion 223 is in contact with the inner surface of the first φ-body 12〇. Face) 121. The rising portion 230 can be used as a connecting portion 2〇9 electrically connected to the electronic component 900. As shown in FIG. 3 and FIG. 4, in the present embodiment, the connecting portion 2〇9 is provided in the rising portion 23〇. In the connection portion of the hole type, the electronic component 900 is disposed between the different metal pieces 2〇〇, and the terminal 901 is inserted into the connection portion 2〇9 of the hole type, and is, for example, welded, crimped, etc. The group method is electrically connected to the metal piece 200, but the type of the connection portion 2〇9 is not limited. For example, the connection portion 209 may be a slit type connection portion. To form a notch 225 in the third extending portion 223 by means of the fixing member 28 (refer to the arrangement of the metal piece 200 on the bottom surface 111), the fixing member 280 and the fixing member are fixed when the metal piece 200 is assembled. The tool for fixing the M427672 piece is assembled through the notch 225. The heat generated when the electronic component 900 is energized is transmitted to the connection portion 209 via the terminal 9 (and transmitted to the entire metal piece 200. The heat is transmitted through the metal piece 200 and the wiring). The bottom surface of the case 1 is cooled by heat from the bottom surface 11 to the outside, and is contacted from the second body 12 by the contact of the sheet-like third extending portion 223 with the inner surface (top surface) 121 of the second body 120. Heat dissipation to the outside. Fig. 3 shows an embodiment of a junction box in which a single metal piece is provided. 'But if the metal piece 200 has retained the connection portion 209' connected to the electronic component 900 and the wiring space from the wires outside the junction box And even at the position electrically connected to the wire, the two outer metal sheets may simultaneously include the first extending portion 221, the second extending portion 222, and the third extending portion 223, as shown in FIG. 5. At this time, the first Delay The portion 221 and the second extending portion 222 are bent from the adjacent two edges of the metal sheet 200 at the position of the bottom surface 111, and are bent in a direction rising from the bottom surface m, and are in planar contact with the first adjacent ones thereof. The side surface 112a and the second side surface U2b. Thereafter, the second extension portion 222 is bent to face the metal piece extending correspondingly to become the third extension portion 223. In addition, the edge of the metal piece 200 relative to the second extension portion 222 The rising portion 230 is bent in a direction rising from the bottom surface 111 as a connecting portion 209 electrically connected to the electronic component 900, and is bent into a third extending portion 223 in the direction of the second extending portion 222. In addition, in FIG. 5, in addition to the form shown in FIG. 3, the non-outer metal piece may further extend toward the first side surface 112a to form a first extending portion 221 on the bottom surface U1 and the first side surface. The position of the junction of 112a is bent and rises, and is in planar contact with the first side surface 112a. The third extension portion 223 shown in Fig. 3 and Fig. 5 is formed by the metal piece 200 rising from M427672 behind the bottom surface 111, and then bent in the opposite direction. The upper portion 230 and/or the second extending portion 222 has a slit on the upper surface The third extending portion 223 is not limited thereto. For example, as shown in FIG. 7 , the first extending portion 221 may be bent to form the third extending portion 223 , or may be bent by the second extending portion 222 or by the rising portion 230 . The third extension portion 223 is formed without a slit thereon, and heat can be conducted to the second body 120 by a large heat conduction area. At this time, in order to be fixed by the fixing member 280 The metal piece 200 is disposed on the bottom surface 111, and the notch 225 can be formed in the third extending portion 223. When the metal piece 200 is assembled, the fixing member 280 and the tool for fixing the fixing member are assembled through the notch 225. Fig. 6 is a schematic view showing another embodiment of the junction box of the present invention. In Fig. 6, only the two outer metal sheets 200 are different from the two outer metal sheets 200 in Fig. 5. Here, only the differences will be described, and the description of the entire junction box will be omitted. As shown in FIG. 6, the two outer metal sheets 200 are bent from the opposite edges of the metal sheet 200 at the bottom surface 111 to form the rising portion 230 in the direction of the bottom surface 111, and then, The rising portion 230 near the outer side is bent toward the second side surface 112b, and the third extending portion 223 of the opposite bottom surface 111 is bent at a height distance of the second side surface 112b, and further toward the bottom surface 111, The distance between the rising portion 230 and the second side surface 112b bends the third extending portion 223 to form a fourth extending portion 224. Further, the rising portion 230 away from the second side surface 112b is bent in the direction of the second side surface 112b, and is bent at a height distance of the second side surface 112b to form a third extending portion 223 which is opposed to the corresponding metal piece. Thereby, the two third extending portions 223 formed with the metal sheets are in planar contact with the inner surface (top surface) 121 of the second body 120, and are in planar contact with the eleventh M427672 four extension portions formed by the metal sheets. On the second side 112b. In this way, heat can be dissipated by a larger contact area. In order to provide such a metal piece 200 to the bottom surface 111 ′ by the fixing member 280, a notch 225 can be formed on the third extending portion 223 away from the second side surface 112b. When the metal sheet 200 is assembled, the fixing member 280 is used, and The tool for fixing the fixing member is assembled by the notch 225. As described above, a plurality of types of metal sheets 'when the heat dissipation effect is improved' can be applied to a plurality of metal sheets in a junction box, as shown in Figs. 1, 2, 5, 6, and 7. However, if you are concerned about parts management during production, you can use only a single type of metal sheet such as the metal sheet shown in Figure 3. Each of the above embodiments and each of the drawings partially bends the metal piece in a planar manner so that each of the extending portions is in planar contact with the other surface than the bottom surface, but is not limited thereto. For example, the unbending metal is utilized by the elasticity of the metal itself. When the sheet is disposed on the bottom surface, the extension portion is naturally elastically bent and deformed, and the plane is in contact with the first side surface and the second side surface. When the heat dissipating structure is formed in this way, although the metal piece and the junction box cannot be completely planarly contacted at the interface between the surface and the surface of the junction box, a gap of a circular arc is left, but the manufacturing process of bending the metal piece can be omitted, and It can avoid the situation that the extension cannot contact the inner surface of the junction box due to the error of bending accuracy. In addition, the sub-pieces may not be bent to the same angle as the inner surface of the junction box, for example, the figure! When the first extending portion 221 is bent, the metal piece 200 is not bent into an angle corresponding to the angle between the bottom surface and the first side surface, and is bent to an obtuse angle which is greater than the angle between the bottom surface and the first side. . When assembling, the blunt metal piece is placed on the bottom surface by utilizing the elasticity of the metal piece itself. At this time, the first extension portion is naturally elastically bent, and when the M427672 r is formed into a heat dissipation structure, _ bit time • ^/, 兀Compared with the unfolded metal piece of the king, the assembly can be reduced to 4:=! And the arc gap formed between the unbent metal piece and the interface between the face and the surface of the wire i can be reduced, and the inner surface of the junction box is planarly contacted by the elastic force of the metal piece itself. Furthermore, as shown in FIG. 8, the position of the extending portion 223 which is slightly higher than the first side surface and the second side height and elastically deformable may be set to be slightly higher than the position of the extending portion 223 of the standing surface. The first side, the first dimension. Covering the opening of the accommodating groove with the second body (cover) 12 = = 'inner (top surface) 121 will be firstly abutted against the third extending portion 223, pressing the elastic L rising portion 231 elastically deformed, and then 'utilizing a cover structure between the first body 110 and the first body 120, such as a conventional hook, a card, a charge, a ring, a bolt, or a friction between the first body 110 and the second body 120 (not The first body 110 is capped with the second body 120. At this time, the third extending portion 223 can be closely contacted to the inner surface (top surface). Although not shown, the elastic rising portion 231 shown in FIG. 8 can also be applied instead of FIG. 5 and FIG. Each of the rising portions 230 in Fig. 7 . Moreover, the elastic rising portion 23 is not limited to the one shown in FIG. 8 as long as it is elastically deformable, does not come into contact with the dissimilar metal piece, and is biased to closely contact the third extending portion against the inner surface (top surface) of the second body. The type can be changed as appropriate. In the drawings, a junction box having four metal sheets is provided, but the present invention is not limited thereto, and an appropriate number of pieces can be set corresponding to an actual situation when applied. The above embodiments are exemplified by a junction box for connecting a plurality of solar panels in a solar power generation module. The electronic components in the junction box are described by taking a diode as an example, but as long as it is By connecting a plurality of metal pieces to the electronic component, the heat when the electronic component is energized is heat-transferred by extending the surface of the M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M The element is also not limited to the passive element of the diode but may be an active element such as a transistor. As described above, the junction box of the present invention is composed of an insulating material, and only the metal piece is electrically connected to the electronic component and conducts heat generated when the electronic component is energized, whereby the insulating processed material and the process can be omitted. To improve the problem of cost increase. [Simple description of the drawing] Fig. 1 is a schematic view of an implementation form of the junction box of the present invention. Figure 2 is a schematic illustration of another embodiment of the junction box of the present invention. Figure 3 is a schematic illustration of another embodiment of the junction box of the present invention. Fig. 4 is a view showing the positional relationship between the heat dissipation structure of Fig. 3 and the inner surface (top surface) of the cover. Figure 5 is a schematic illustration of another embodiment of the junction box of the present invention. Figure 6 is a schematic illustration of another embodiment of the junction box of the present invention. Figure 7 is a schematic illustration of another embodiment of the junction box of the present invention. Figure 8 is a schematic illustration of another embodiment of the junction box of the present invention. [Description of main component symbols] 100: junction box 111: bottom surface 112b: second side 121: inner surface (top surface) 110: first body 112a: first side 120: second body (cover) 140: through hole M427672 200 : metal piece 209 : connecting portion 221 : first extending portion 222 : second extending portion 223 : third extending portion 224 : fourth extending portion 225 : notch 230 : rising portion 231 : elastic rising portion 270 : contact 280 : Fixing member 900 : Electronic component 901 : Terminal 902 : Conductor 15