201241858 六、發明說明： 【發明所屬之技術領域】 本發明係關於保護電氣裝置的保護裝置，更詳言之，係關 於一種保護裝置，其係保護電氣裝置所含之電氣元件(electric element)或電路。例如係關於在二次電池般之電氣裝置内，流 經過剩電流(excess current)之情形，將該電流之流動予以斷路 (breaking)的保護裝置，亦即係關於過剩電流保護元件 (overcurrent protective element) ° 【先前技術】 在圓筒型鋰離子二次電池之充電或放電時，有過剩電流流 經之情形，作為使該電流之流動予以斷路之保護裝置，係使用 溫度熔化元件、電流熔化元件、聚合物PTC元件等。其中， 聚合物PTC元件，因可組裝於二次電池之封口板而配置，故 由特別是以許多二次電池而構成的電池組(battery pack)變成小 巧之觀點觀之，相當有用。 但是’市售的PTC元件，並無法進行大電流(例如20A電 流)的通電。又，PTC元件，在異常被排除而使溫度降低時， 雖具有成為低電阻的回歸性(resettability)，但是此種回歸性， 會因用途而有產生問題之情形。例如，以多並聯使用的圓筒型 鐘離子二次電池單元(secondary battery cell)方面，於使用pTC 元件之情形，只要不將使用PTC元件的已短路電池單元移除， 則該電池單元持續發熱，結果就會有電池單元破裂的可能4。 吾人考慮此種問題’在圓筒型鐘離子二次電池單元方面， 有提案例如在封口板内側使用間隔件以替代PTC元件者昭 lif專利文獻υ。但是，在使用間隔件之情形，被認為有I 法確保對過剩電流的防護之問題。 ^ [先前技術文獻] [非專利文獻] [非專利文獻 l]Matsushita Technical J0umal v〇1 52 Ν〇 4 201241858201241858 VI. Description of the Invention: [Technical Field] The present invention relates to a protection device for protecting an electrical device, and more particularly to a protection device for protecting an electrical element contained in an electrical device or Circuit. For example, in the case of a secondary battery-like electrical device, in the case where an excess current flows, a protection device that breaks the flow of the current, that is, an overcurrent protective element ° [Prior Art] When a cylindrical lithium ion secondary battery is charged or discharged, there is a case where an excess current flows, and as a protection device for breaking the flow of the current, a temperature melting element and a current melting element are used. , polymer PTC components, etc. Among them, since the polymer PTC element is disposed in the sealing plate of the secondary battery, it is quite useful from the viewpoint that the battery pack composed of many secondary batteries becomes small. However, the commercially available PTC element cannot be energized with a large current (e.g., 20 A current). In addition, when the abnormality is excluded and the temperature is lowered, the PTC element has a resettability which is low in resistance, but such a regression property may cause problems due to use. For example, in the case of a cylindrical battery cell used in multiple parallel connection, in the case of using a pTC element, the battery unit continues to heat up as long as the short-circuited battery unit using the PTC element is not removed. As a result, there is a possibility that the battery unit will rupture. In view of such a problem, in the case of a cylindrical bell-ion secondary battery unit, there is a proposal to use a spacer on the inside of the sealing plate instead of the PTC element. However, in the case of using spacers, it is considered that there is a problem in the method of ensuring protection against excess current. ^ [Prior Art Literature] [Non-Patent Literature] [Non-Patent Document l] Matsushita Technical J0umal v〇1 52 Ν〇 4 201241858
Aug. 2006 pp31-35 【發明内容】 [發明欲解決課題]Aug. 2006 pp31-35 [Summary of the Invention] [Inventive Problem to Solve]
一因此’本發明欲解決之課題係提供一種保護裝置，其 經較大的餘，啊可提供騎剩較之防護。 "LTherefore, the subject to be solved by the present invention is to provide a protection device which, after a large margin, provides protection against riding. "L
[解決課題之手段] 在第了要點方面，本發明係提供一種保護裝置，其係具有： 門口^狀兀件，其以絕緣性樹脂所形成，並具有至少1個貫通 導電性金屬薄層，其位於層狀元件之各主表面之位置上； 熔線層(fose layer)，其位於決定該至少一個貫通開口部的 側面上之位置，並將導電性金屬薄層予以電性連接。 ，第二要點方面，本發明提供__種電氣裝置，例如二 ^ ’係具有上述及後述般之本發明之保護裝置^更詳言之 / j _種―欠電池單元、將其加雜合而成的二次電池單元組 件或二次電池組(secondary battery peek；)。 本發明之保護裝置具有以絕緣性樹脂所形成之芦 =:該層狀元件具有至少丨個貫通開口部。該開口部係&著層 件之厚度方向延伸，*貫通層狀元件，垂直於其厚度方二 向的剖面形狀並無特別限定，不過較佳為 ，正方形、菱形、長方形、橢圓形。貫通開口部 二個。亦即為1個或2個以上，例如可為2個、3個、4;固、 具m目麟魏置㈣权髓程度付射選擇。在 f有1個貫通開口部之情形，I通開口部較佳為位 構成層狀元件的絕緣性樹脂，只要是具有電性絕雜的樹 201241858 ，則，無特別限定。可例示例如聚乙烯 、聚丙烯、聚碳酸酯、 ^系樹脂等樹脂。特佳可使用聚乙烯或聚氟化亞乙烯般之樹 脂，此種樹脂，具有與使用於聚合物PTC元件的聚合物相同 之^軟性，可組裝本發明之保護裝置於二次電池之封口板以替 代聚合物PTC元件’又—般絲在電氣裝置方面可信賴並使 用的觀點觀之較有利。在其他祕，可將本發明之保護裝置替 代以上述二次電池單元封口板内側所使用的間隔件，進行元件 使用/在此情形，保護裝置可作為墊圈使用。 該層狀元件具有在其各主表面上，亦即在其兩側之主表面 上所配，的導電性金屬薄層。該金屬薄層，只要是具有導電性 的，屬薄層(例如厚度為〇 1μηι至左右之層），則無特別 限定，例如可由銅、鎳、鋁、金等金屬構成。 導電性金屬薄層位於各主表面上之位置的層狀元件，係例 t藉由將構成層狀元件的絕緣性麟，與構齡屬薄層的金 屬1片（或金屬f|)一起同時擠壓，獲得在金屬薄片（或金屬羯） 之巧夾持絕緣性樹脂狀態之擠壓物，而製造。在其他態樣，也 y藉由以例如鍵方式得到絕緣性樹脂之層狀物，將該層狀物 夾持於金屬薄片（或金屬箔）之間，將該等一體地熱壓合 ^e_compressionbonding)而獲得壓接物，來製造。此種擠壓 物(或壓接物），係在兩側之絲面具有導電性金屬薄層、許多 ，緣性樹脂之層狀元件鄰接而集合的狀態，將擠壓物(或壓接 切出成為預定形狀及尺寸，而可獲得在各主表面上具 電性薄層的單一層狀元件。 再者’在其他態樣，亦可藉由在絕緣性樹脂之層狀元件 ^導，性金屬之織，*在齡m表面上形成導電性金屬薄 ^該情形，亦是較佳為獲得上述般集合狀態之物，其後分 割成為個別的層狀元件。 a想ΐ此’在練之情形’層狀元件係藉由在其主表面將其他 屬a，特佳為金屬箔’例如與上述相同，進行擠壓或埶壓人， 而預先使其他金屬層密接層狀元件特佳。在此情形，在該其°他 201241858 鑛ίΐΐ性金屬薄層而形成較佳。如此，藉由 利ί接於層狀元件的其他金屬層密接的觀點觀 面具有鎳羯作為其tit保元件之兩侧主要 線可同時形成導電性金屬薄输 圖ΐ 自置正之上輪=察巧元件之情形的 主表面之雜 i大方ϊτ/學上為線對稱及/或點 ^方形、長方形、菱形、環狀(尤其是圓環狀，所謂炸甜圈狀） 步，2狀^件較佳為概’特佳為圓雜。在環狀之情 ，之貫通開口部。又，層狀元件係在決定=的二： 物其中間部）’具有追加的貫通開口部， 層狀i件具形之貫通開口部。因此， !發明之保護裝置，具有位於決定此種貫通開口部之至少 1個的側面上位置·線層。雜線層，雜連接在位於 導^_ 料，同—％ 之功此在自一主表面上之導電性金屬薄層朝向另一主 2電性金屬薄層，過剩電流正要流經之情形，^ 熔線層之結果，熔線聽融因而打開電路，而使此= 々以丨L動予以斷路。此種熔線層係形成於決定至少丨個 部的側面上。更詳言之，只要可紐連接兩側之 層’則亦可在此種側面之至少-部分形線層，不過較;^ 201241858 遍及此種側面之全體而形成。形成方法並無特別限定，特佳為 進行導電性金屬之鍍敷(例如電鍍或化學鍍敷），例如藉由鍍鎳 而形成者。熔線層之厚度可藉由鍍敷條件來控制，不過例如 0.001 至 0.02mm 較佳。 在設置一個侧面上具有熔線層的貫通開口部之情形，層狀 元件係圓形或其他適當的原來無孔之平板形狀，較佳為在其中 心部(如平面形狀為圓形(亦即圓板狀)之層狀元件般，此種中心 為存在之情形)設置貫通開口部（亦稱為「中心貫通開口 部」）。此結果，層狀元件嚴格而言具有環狀之形狀。流經具 有此種環狀形狀之層狀元件之一主表面之導電性金屬薄層之 電流，係朝向貫通開口部之一端部流動，其後通過溶線層，自 貫通開口部之另一端部呈輻射狀流動經過層狀元件另一主 面之導電性金屬薄層上。 如此在層狀元件設置一個貫通開口部的態樣，相較於詳細 說明於後賴置複數㈣關，之祕，雛為在環狀元件 ^中心部，設置更大的貫賴口部作為巾心貫通開口部，在該 貝通開口部之側面上設置、熔線層。此種保護裝置，因電阻值可 變小，故在大容量電流(較佳為較2〇A大的電流，例如3〇至 40A或較其更大的電流，例如鳳)流經之情形可適當使用。 又’因僅設置-個貫通開口部’故保護裝置之製造較簡單。 _在較佳的態樣，層狀元件係如後述之第二圖或第四圖所 ^係以内側周30及外側周34戶斤決定的圓環狀。決定層狀元 件之内側周的圓之直徑，例如為6至1Gmm，決定其 圓之直徑’較佳為例如13〜17mm。以3G S 4GA電流流經之情 護ΐί而言，較佳為内側周之圓之直經例如為6.5mm， 熔線層之厚度例如為〇.〇imm。 在設置複數個貫通開口部之情形，較佳為配置貫通開口 .以使通過祕元件的紐盡可能均_驗各貫通開口部 之炼線層。例如，在具有中心貫通開口部的 周狀部分㈣卩’ 201241858 3t)r’ 複數個具有相同剖面形狀及尺寸的貫通開ϋ部(亦 宗n邊貫通開口部」)亦可’在該情形，較佳為相對於決 間隔圓中心，以等角度設置貫通開口部。例如設置 此的从女個貫通開口部。但是’因應保護裝置之使用條件，層 亦可僅具有一個周邊貫通開口部。因此’周狀貫通開口 4之數目可為例如1至6。 環狀之層狀元件的内側周之圓，亦即，中心貫通開 邻之直徑與其他貫通開口部，亦即，周邊貫通開σ 同或更小之情形下’在決社種中心貫通開 ._ 亦可6免置熔線層。相反地，中心貫通開口部之咅 φ 邊貫通開σ部之剖面圓直徑之情形下’在決定 〜貫I，口部之側面上，以不設置熔線層較佳。 否在中心貫通開σ部設置熔線層，係由流經設置於 t ίίί貫賴ϋ部的鱗狀電流實質上是否等量來 之’在中心貫通開口部具有較周邊貫通開口部更 俘鳟：di情形’在中心貫通開口部設置熔線層時，流經 产v:-於„*實質上大部分易於流經其炼線層，電流難以 :·、！认具有更小的圓形剖面的其他貫通開口部之熔 層，故在其他貫綱口部設置職^之意義不大。、’· 戸仙在I個較佳態樣’層狀元件伽外_及關周所決定之 、^一= #以内侧面決定貫通開口部作為中心、貫通開口部， f一步，其他貫通開口部係貫通層狀元件之内部，亦即，貫通 決定層狀元件的_周及外側周之間( ί緣性樹脂之料)，碎树崩邊貫通I部即;；因1[Means for Solving the Problem] In terms of the first aspect, the present invention provides a protection device comprising: a door-like member formed of an insulating resin and having at least one thin layer of a conductive metal. It is located at each main surface of the layered element; a fuse layer is located on a side surface defining the at least one through opening, and electrically connects the conductive metal thin layer. In a second aspect, the present invention provides an electric device, for example, a protective device of the present invention described above and described later, more specifically, a j_a type of under-battery unit, and a hybrid battery unit thereof A secondary battery unit assembly or a secondary battery pack (secondary battery peek;). The protective device of the present invention has a reed formed of an insulating resin. The layered element has at least one through opening. The opening portion & the layer member extends in the thickness direction, and the layered member penetrates the layered member. The cross-sectional shape perpendicular to the thickness direction is not particularly limited, but is preferably a square, a rhombus, a rectangle, or an ellipse. Two through openings. That is, it is one or two or more, for example, it can be two, three, four; solid, with m mesh Lin Wei set (four) right to the extent of the choice of radiation. In the case where f has one through-opening portion, the one-pass opening portion is preferably an insulating resin constituting the layered element, and is not particularly limited as long as it is an electrically insulating tree 201241858. For example, a resin such as polyethylene, polypropylene, polycarbonate, or a resin can be exemplified. It is particularly preferable to use a polyethylene or a polyvinylidene fluoride-like resin having the same softness as the polymer used for the polymer PTC element, and the protective device of the present invention can be assembled in the sealing plate of the secondary battery. It is advantageous to replace the polymer PTC element's view that the wire can be trusted and used in electrical equipment. In other cases, the protective device of the present invention may be replaced with a spacer used inside the sealing plate of the above secondary battery unit for component use/in this case, the protective device may be used as a gasket. The layered member has a thin layer of conductive metal disposed on each of its major surfaces, i.e., on the major surfaces on either side thereof. The thin metal layer is not particularly limited as long as it is electrically conductive, and is a thin layer (e.g., a layer having a thickness of 〇1μηι to the left and right). For example, it may be made of a metal such as copper, nickel, aluminum or gold. A layered element having a thin layer of conductive metal on each major surface, by way of example, by simultaneously insulating the insulating layer constituting the layered element with a sheet of metal of a thin layer of age (or metal f|) It is produced by extruding and obtaining an extrudate in a state in which an insulating resin is sandwiched between a metal foil (or a metal crucible). In other aspects, y is obtained by, for example, bonding a layer of an insulating resin, sandwiching the layer between metal foils (or metal foils), and integrally thermocompression bonding ^e_compressionbonding ) to obtain a crimp, to manufacture. Such an extrudate (or a crimping material) has a thin layer of a conductive metal on both sides of the silk surface, and a plurality of layers of the edge resin are adjacent to each other, and the extrudate is cut (or crimped) By forming a predetermined shape and size, a single layered element having an electrically thin layer on each major surface can be obtained. Further, in other aspects, it can also be controlled by a layered element in an insulating resin. Metal weave, * forming a thin conductive metal on the surface of the age m. In this case, it is preferable to obtain the above-mentioned aggregated state, and then divide it into individual layered elements. In the case where the layered element is extruded or pressed in the same manner as described above by using another genus a, particularly preferably a metal foil, on the main surface thereof, it is preferable to make the other metal layer adhere to the layered member in advance. In this case, it is preferable to form a thin layer of the metal layer of the 201241858 mineral. Thus, the viewpoint of the adhesion of the other metal layers connected to the layered member has nickel ruthenium as the side of the tan protection element. The main line can simultaneously form a thin conductive pattern of conductive metal. In the case of the upper wheel = the surface of the component, the main surface of the surface is 大 / 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学 学It is preferable that the two-pieces are generally 'excellently rounded. In the case of a ring, the opening is penetrated. Further, the layered element is in the middle of the determination = two: the middle portion of the object has an additional through opening The layered i-piece has a through-opening. Therefore, the protective device of the invention has a position/line layer on the side surface that determines at least one of the through openings. The impurity layer is connected to the conductive material, and the excess current is flowing through the thin layer of conductive metal on one main surface toward the other main metal thin metal layer. , ^ As a result of the fuser layer, the fuser melts and opens the circuit, so that this = 々L move to open. Such a fuse layer is formed on the side that determines at least one of the portions. More specifically, as long as the layers on both sides of the link can be connected to at least the partial line layer of such a side, it is formed over the entire side of the side. The formation method is not particularly limited, and it is particularly preferable to perform plating (for example, electroplating or electroless plating) of a conductive metal, for example, by nickel plating. The thickness of the fuse layer can be controlled by plating conditions, but for example, 0.001 to 0.02 mm is preferable. In the case where a through-opening having a fuse layer on one side is provided, the layered element is circular or other suitable original non-porous flat plate shape, preferably at its central portion (eg, the planar shape is circular (ie, In the case of a layered element of a disk shape, such a center is present, and a through opening (also referred to as a "central through opening") is provided. As a result, the layered member strictly has a ring shape. The current flowing through the conductive metal thin layer on one of the main surfaces of the layered element having such an annular shape flows toward one end portion of the through opening portion, and then passes through the solvolysis layer from the other end portion of the through opening portion. Radially flows through a thin layer of conductive metal on the other major side of the layered element. In this way, a layered element is provided with a through-opening portion, and compared with the detailed description, the complex is applied to the rear (4), and the secret is set at the center of the annular member. The core passes through the opening, and a fuse layer is provided on the side surface of the beacon opening. Such a protection device may have a small resistance value, so that a large-capacity current (preferably a current larger than 2 A, for example, 3 〇 to 40 A or a larger current such as a phoenix) may flow through. Use as appropriate. Further, since only one through-opening portion is provided, the manufacture of the protective device is relatively simple. In a preferred embodiment, the layered element is an annular shape determined by the inner circumference 30 and the outer circumference 34 as shown in the second or fourth figure to be described later. The diameter of the circle defining the inner circumference of the layered member is, for example, 6 to 1 Gmm, and the diameter of the circle is determined to be, for example, 13 to 17 mm. For the case where the current is 3G S 4GA, it is preferable that the straight circumference of the inner circumference is, for example, 6.5 mm, and the thickness of the fuse layer is, for example, 〇.〇imm. In the case where a plurality of through openings are provided, it is preferable to arrange the through openings so that the cores passing through the secret elements are as uniform as possible. For example, in the circumferential portion (four) 卩 '201241858 3t) r' having a central through-opening portion, a plurality of through-opening portions (also referred to as n-side through-opening portions) having the same cross-sectional shape and size may be used in this case. It is preferable to provide the through-opening at equal angles with respect to the center of the circle. For example, this is provided from the female through opening portion. However, the layer may have only one peripheral through opening portion depending on the conditions of use of the protective device. Therefore, the number of the circumferential through openings 4 can be, for example, 1 to 6. The circle of the inner circumference of the annular layered element, that is, the diameter of the center through the adjacent opening and the other through opening, that is, the case where the surrounding penetration σ is the same or smaller, the case is opened at the center of the social society. Can be 6 free fuse layer. On the other hand, in the case where the φ φ of the center through opening portion penetrates the diameter of the cross-sectional circle of the σ portion, it is preferable that the fuse layer is not provided on the side surface of the opening portion. Whether the fuse layer is provided in the center through the σ portion, and the scaly current flowing through the 设置 ί 实质上 实质上 实质上 实质上 实质上 实质上 实质上 实质上 实质上 ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' :di case 'When a fuse layer is placed in the center through opening, the flow through the production v:- „* is substantially easy to flow through the line layer, and the current is difficult: ·, !! has a smaller circular section The other melt-through layer that penetrates the opening, so it is of little significance to set up the position in other joints. '· 戸 在 in a preferred aspect 'layered elements gamma outside _ and Guan Zhou determined, ^一=# The inner side defines the through-opening as the center and the through-opening, f one step, and the other through-opening penetrates the inside of the layered element, that is, through between the _perimeter and the outer circumference of the layered element ( ί The material of the edge resin), the broken tree edge passes through the I part;
口部(1個广及貫通層狀元件之本體部分 T 口部(對應於上述周邊貫通開，卜 W V個貫通開 r亦即在線甘層係存在於決定周邊貫通開口部之側面 (’、p J)上。中心貫通開口部之直徑與周邊貫通開口部之直 201241858 ΐίϋΐ差中心貫通開口部存在溶線層之情形，在預 周邊貫通開σ部之轉層同等的電流流經 :㈣之直徑i周可在 之娜線層’有遠較周邊貫通^口 於周;ri:二^ 通置r態:環=::= 部。圍配置成為周狀的複數個周邊貫通開口 數層層;，有複 2可控制_S置之電阻值。基本± 目’ Π此則：值：相反地，當數“少時 地改變保置電阻值之優點。 有〜易且精密 部：：二形狀狀元r中開口 ，個周邊貫通開口部之情形中例如=:==存在 ;亦即’在決定内側周之圖形例如圓之中 二中：， ^ 4 i )^Ztt I' T l2〇°^ 3 ^ 90〇 存在9個、:^在在^/曰1隔45°存在8個、間隔奶。 13〜17mme以則QA電流流經之情形之保護裝置=為= 201241858 佳為例如設置直徑0.6mm之周邊書诵M a 厚度例如O.mmrn者。㈣貫通開口部4個，熔線層之 另外，在任意之態樣方面，貫通開口部，其 即L層狀元件之厚度方向的剖面之形狀)較佳為^开/，' 不過亦可具有任-種適當的其他剖面形狀，通常較佳；且^ ，面。在其他態樣’亦可為正方形、長方形、菱形為以 等。，此情形，上述直徑，係對應於其他剖面形狀之當量直徑 (equilibrium diameter) ° 在設置於決定貫通開D部之側面(或周面)上的熔線層具 有以下功能：在將層狀元件之兩側主絲雜連接之 f流欲自-主表面朝向另-主表面流動之情形，在過剩電流 集中地流經熔線層之結果，由於熔線層熔融，而使此種電流流 動斷路。構成此種熔線層的材料係導電性材料，尤其是導 金屬層。較佳為例如以銅、鎳、鋁、金等金屬之薄層形成熔線 層者。熔線層特佳為藉由鍍敷構成其之金屬而形成者。、 因此，選擇：貫通開口部之剖面形狀、貫通開口部大小 常為直徑)及沿著層狀元件厚度方向的貫通開口部之長度、熔 線之材料及熔線層厚度、以及貫通開口部之數目及配置等各種 因素’以因應所假定的過剩電流量進行熔融，並且如預定方式 來選擇其數值等。該選擇只要是熟悉該項技藝人士，關於該^ 因素，例如可以嘗試錯誤(trial and error)方式實施。 Λ 在一較佳態樣，導電性金屬薄層及熔線層，藉由導電性金 屬之鍍敷’更佳為藉由鍍鎳而一體地形成。在該情形，藉由將 具有貫通開口部的層狀元件以此種金屬鑛敷，將該等層同時且 —體地形成故較有利。亦即，熔線層及導電性金屬薄層，可以 相同種類之金屬形成。以鍍敷法而言，可使用電鍍或化學錄敷 法。 在特佳之態樣’係在層狀元件之主表面與導電性金屬薄層 之間，存在預先密接於層狀元件的金屬箔，較佳為鎳箱。在^ 情形，形成作為鍍敷層之導電性金屬薄層可密接於金屬箱，^ 201241858 二果則有經由金屬洎使導電性金屬薄層堅固地結合於元 件的優點。 本發明之保護裝置’為了要保護應予保護的電路或構成該 ^路的電氣元件’且為了將第】電氣元件(例如二次電池)與作 為其他電氣元件之第2電氣元件(例如充電器)予以電性地直接 或間接連接，而位於該等間之位置，其結果，一導電性金屬薄 層與第1電歲元件直接或間接地接觸，另一導電性金屬薄層則 與第2電氣元件直接或間接地接觸。因此，本發明之保護裝 置，以及具有藉由該保護裝置而電性連接的電路及/或電氣元 件之電氣裝置亦由本發明提供。 [發明之效果] 本發明之保遵裝置’在層狀元件兩側之主表面上具有導電 性金屬薄層，由於熔線層電性連接該等金屬薄層而可^大電流 流經，同時在過剩電流流經之情形，過剩電流集中地流經熔^ 層，結果，使熔線層熔融而電路斷路，藉此可將過剩電流之流 動斷路。 【實施方式】 參照圖式，更詳細說明本發明之保護裝置。第一圖表示 發明之保護裝置之-祕，表示以沿著其厚度方向的剖面圖的 示意圖(切剖面係將現出部分以A表示），又第二圖係將第一圖 所示保護裝置，以平面圖（亦即，在第一圖方面，自其上方以 箭頭B表示，觀察保護裝置時之態樣)表示之示意圖 圖示的保護裝置1〇係以絕緣性樹脂所形成，至少有一個 貫通開口部，在圖示的態樣，具有圓環狀層狀元件16，層狀 元件16具有剖面圓形之中心貫通開口部12及剖面圓形之周 貫通開口部14這二個貫通開口部。保護裝置1〇又具有位&層 狀元件16兩側之主表面18及2〇上之位置的導電性金屬薄^ 22及24。另外，在圖示的態樣，在層狀元件丨6與導電性金 薄層22及24之間，存在其他金屬層26及28。 201241858 在圖示的態樣，在決定中心貫通開 相 3〇上，亦即在圓環内側之側面上並 U圓 “間;周層f4= -個i線層4G的周邊貫通開口部μ，僅 相反側設置此種周邊ϊ通可^方向在 周圍，間隔180。設置2個周邊貫通開口部二= J 3^12 ^ ^ =特，6〜8個具有熔線層的周邊貫通開口部 Ϊ可，例如將間隔120。3個、間隔90。4個、間隔6〇ϋ $ J間隔45。8個具有熔線層的周邊貫通開口部以等角度 1外’在圖示的態樣，因中心貫通 ΤΛΙΖ^ 之側面上設置炫線層二另外依^J’f圓環内側周30 保讀步署㈣洛f 在某些態樣，可以在要配置 位於電氣裝置。例如：藉*在二次電池單 可將保護裝置定位於封口板。 貝卿口邛而 ΐ9ηΛ其他態樣’層狀元件16亦可無具有中心貫通開口部 開口邙’層:二板形狀)’而僅具有至少-個周邊貫通 開口，14，而该周邊貫通開口部14具有熔線層4〇。 ίο, 圖’本發明之進一步其他態樣之保護裝置 、第圖帛―圖同樣地表示。另外，就與第一圖及第 12 201241858 件’係相同符號。在圖示的態樣，層狀元件 if有f第：：圖之保護裝置1G所具有的周邊貫通開口部H， ^具有中〜讀開口部12 ’該中心貫賴口部12具有熔線層 【實施例1】 保護ίί 第t圖所示本發明之保護裝置。因此，製造 戶斤且;其僅具有麟層4G，並無第三圖之保護裝置10, 圍&等32。但，周邊貫通開σ部14係在中心0之周 圍以等角度形成4個成為周狀。 η 對廡ίί#準，緣性樹脂之薄片（聚乙稀製，厚度G.3mm， “他义3其：彳:咖_度，m，對應 S :獲得將_貼於‘:樹 的^(對應於導紐金層22及24)m為 之保護沖切出圓環狀元件，獲得本發明 9〇。之預定處。 貫通孔位於圓環狀元件中心周圍間隔 所得圓環狀元件之外側周圓w #古尸& ic 圓30之直徑(亦即，中心34之直徑為15職’内側周 環狀元件在作為f 口°卩之錄)為6.4mm。該圓 有執行作為其他^屬/ϋ，樹脂層16之兩側主表面，具 本體部分36之中^八^功能的鎳’在圓環狀部分之 圓環狀元件，在3四個周邊貫通開口部14。又’ 敷層，在決定周^貫通/門”、、導電性金屬薄層22及24之鑛 線層40功能的錢<層通開口敎内側周*上，具有執行作為熔 預定電流(2GA)流自^導電性金屬薄層22使 乃導電性金屬薄層24,測定1〇分鐘後保 13 201241858 濩裝置之導電性金屬薄層22之表面溫度上升。又，測定作為 保護裝置之熔線之電流斷路時間(亦即，1〇〇A電流流經^ 炫線層炼斷(fiising)為止之時間）。 結果，表面溫度上升在任意處亦為1〇ΐ以下，又， 斷路時間係0.1秒以下。 【實施例2】 製造第三圖及第四圖所示本發明之保護裝置。因此，製造 保護裝置1G，，其不具周邊貫通開口部，而在中心貫通開 ^周圍僅具树線層32。另外，在製造方法方面，除了將相 田;^中心貫通開口部的開口部形成於壓接物後，藉由鍍敷處理 匕成炼線層，其後’沖切出圓環狀元件，藉此獲得保護裝置 以外，其他則與實施例1同樣地實施。中、 立 直徑為6.5mm，熔線層之厚度輕lmm。T貫補口狀 —在所得本發明之保護裝置，自一導電性金屬薄層22使預 〜4〇Α)流到另一導電性金屬薄層24，測定10分鐘後 之導電性金屬薄層22之表面溫度上升。又，測定作 ί ίίί之熔線之電流斷路時間(亦即，100Α電流流經 時，熔線層熔斷為止之時間）。 斷面溫度上升在減處均為贼以下，又，電流 斷路時間約0.1秒。 經，村知’本發明之賴裝置，可蚊大電流流 署古供對過機流之防護。因此，在本發明之保護裝 士 + &，在將可穩態(Steady State)流動之電流值予以極端地增 肺雜子二找料元方面，亦可利用 圈^夕=封°板_墊圈，料錄鋼材料實施_而成的墊 成之n Γ °在雜形’保縣置®料簡雜樹脂所形 ί 藉由樹脂之彈性而提高作為墊圈之功能。因 特徵。、可提供一種墊圈，其具有上述本發明保護裝置之 201241858 【圖式簡單說明】 以沿著其厚度方向的剖面 第一圖表示本發明之保護裝置 圖之示意圖。 第二圖表示第一圖所示保護裝置的平面圖之示音圖。 第三圖表示本發明其他態樣之保護裝置，以沿著“ 向的剖面圖之示意圖。 、又 第四圖表示第三圖所示保護裝置的平面圖之示意圖。 【主要元件符號說明】 10、10, 保護元件 12 中心貫通開口部 14 周邊貫通開口部 16 層狀元件 18'20 主表面 22'24 導電性金屬薄層 26'28 其他金屬層 30 内側周 32 熔線層 34 外側周 36 本體部分 38 側面 40 熔線層The mouth portion (one T-port portion of the body portion of the wide and penetrating layer-like element (corresponding to the periphery of the above-mentioned periphery), the WV through-opening r, that is, the on-line glyce layer exists on the side that determines the peripheral through-opening portion (', p J). The diameter of the center through-opening is the same as the diameter of the peripheral through-opening. The hole is formed in the through-opening at the center of the hole. The current flows through the transition layer of the pre-peripheral σ-opening: (4) diameter i Zhou can be in the line of the Zhina's farther than the surrounding through the mouth; ri: two ^ through the r state: ring =:: = part. The surrounding arrangement is a plurality of peripheral perforated openings; There is a complex 2 to control the resistance value of _S. Basic ± 目 ' Π 则 : : : : : : : : : : 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值 值In the case where the opening is in r, and the periphery is open through the opening, for example, =:== exists; that is, 'in the figure that determines the inner circumference, for example, among the circles: ^ 4 i ) ^ Ztt I' T l2 〇 ° ^ 3 ^ 90〇 exists in 9 , : ^ There are 8 in the ^ / 曰 1 interval 45 °, interval milk. 13 ~ 17mme so that QA current flows through Protective device = = 201241858 For example, it is possible to set a thickness of 0.6 mm in the periphery of the book, such as O.mmrn. (4) Four through-opening portions, and the fuse layer, in any aspect, through the opening The shape of the cross section in the thickness direction of the L-layered element is preferably ^, or 'but may have any other suitable cross-sectional shape, which is generally preferred; and ^, surface. In other aspects' It may be a square, a rectangle, a diamond, or the like. In this case, the diameter corresponds to an equivalent diameter of the other cross-sectional shape, and is disposed on a side (or a peripheral surface) of the through-D portion. The fuse layer has the following function: in the case where the f-flow of the main filaments on both sides of the layered element is to flow from the main surface toward the other-main surface, the excess current flows through the fuse layer intensively due to the result The fuse layer is melted to cause such current to flow and break. The material constituting the fuse layer is a conductive material, particularly a conductive metal layer, preferably formed of a thin layer of a metal such as copper, nickel, aluminum or gold. The fuser layer. The fuser layer is especially good The metal is formed by plating, and therefore, the cross-sectional shape of the through-opening, the diameter of the through-opening is always the diameter, and the length of the through-opening along the thickness direction of the layered element, and the fuse line. Various factors such as the thickness of the material and the fuse layer, and the number and arrangement of the through openings are melted in accordance with the amount of excess current assumed, and the value is selected as a predetermined method. The selection is as long as it is familiar to the skilled person. Regarding the factor, for example, a trial and error method can be implemented. Λ In a preferred embodiment, the conductive metal thin layer and the fuse layer are plated by a conductive metal, preferably by plating. Nickel is integrally formed. In this case, it is advantageous to form the layered elements having the through openings with such a metal ore, and to form the layers simultaneously. That is, the fuse layer and the conductive metal thin layer can be formed of the same kind of metal. In the case of plating, electroplating or chemical recording can be used. In a particularly preferred aspect, a metal foil which is in close contact with the layered member is present between the main surface of the layered member and the conductive metal thin layer, and is preferably a nickel case. In the case of ^, a thin layer of a conductive metal formed as a plating layer can be adhered to the metal case, and the second layer has the advantage that the conductive metal thin layer is firmly bonded to the element via the metal crucible. The protection device of the present invention 'in order to protect the circuit to be protected or the electrical component constituting the circuit' and to use the first electrical component (for example, a secondary battery) and the second electrical component (for example, a charger) as other electrical components Or electrically connected directly or indirectly to the position of the space, as a result, a thin layer of conductive metal is in direct or indirect contact with the first electric age element, and the other thin layer of conductive metal is the second Electrical components are in direct or indirect contact. Accordingly, the protective device of the present invention, as well as electrical devices having electrical and/or electrical components electrically coupled by the protective device, are also provided by the present invention. [Effects of the Invention] The protective device of the present invention has a thin layer of a conductive metal on the main surfaces on both sides of the layered member, and a large current flows through the fuse layer to electrically connect the thin layers of the metal, and at the same time In the case where an excess current flows, the excess current flows intensively through the fusion layer, and as a result, the fuse layer is melted and the circuit is broken, whereby the flow of the excess current can be broken. [Embodiment] A protection device of the present invention will be described in more detail with reference to the drawings. The first figure shows the secret of the protective device of the invention, showing a schematic view of a cross-sectional view along its thickness direction (the cut-off section shows the existing part in A), and the second figure shows the protective device shown in the first figure. The protective device 1 shown in the schematic view (that is, in the aspect of the first figure, indicated by the arrow B from above, the state in which the protective device is observed) is formed of an insulating resin, at least one The through-opening portion has an annular layer-like element 16 in the illustrated embodiment, and the layer-shaped element 16 has two through-opening portions, a center through-opening portion 12 having a circular cross section, and a circumferential through-opening portion 14 having a circular cross section. . The protective device 1 has a conductive metal thin film 22 and 24 on the major surfaces 18 and 2 on both sides of the layered component 16 . Further, in the illustrated embodiment, other metal layers 26 and 28 are present between the layered element 丨6 and the conductive gold thin layers 22 and 24. 201241858 In the illustrated embodiment, the opening is opened in the center of the determination center, that is, on the side of the inner side of the ring and the U circle "between; the peripheral layer f4 = the periphery of the i-line layer 4G penetrates the opening portion μ, Only the opposite side is provided with such a peripheral pass. The direction is around, and the interval is 180. Two peripheral through openings are provided. Two = J 3^12 ^ ^ = special, 6 to 8 peripheral through openings having a fuse layer Ϊ For example, the interval may be 120. 3, the interval is 90. 4, and the interval is 6 〇ϋ $ J interval 45. The 8 peripheral through-opening portions having the fuse layer are at an equal angle of 1 'in the illustrated aspect, because The center is connected to the side of the ΤΛΙΖ^ on the side of the sleek line. The other is based on the inner circumference of the ring. The rest of the circumference of the ring is guaranteed. In some aspects, it can be placed in the electrical device. For example: borrow * in two The secondary battery can position the protection device on the sealing plate. The other elements of the layered element 16 may also have no central opening opening layer : 'layer: two plate shape)' and only have at least one The peripheral through opening 14 is formed, and the peripheral through opening portion 14 has a fuse layer 4〇. ίο, Figure 'The invention is further The protection device of the other aspects is shown in the same figure as the figure. In addition, the same symbols are used as in the first figure and the 12th 201241858. In the illustrated aspect, the layer element if has f:: The peripheral through-opening H of the protection device 1G of the figure has a middle-to-read opening 12'. The center-through opening 12 has a fuse layer. [Embodiment 1] Protection ίί Protection of the present invention shown in FIG. Therefore, the manufacturer has only a layer of 4G, and there is no protection device 10 of the third figure, and the same as 32. However, the peripheral through-opening σ portion 14 is formed at an equal angle around the center 0. 4 pieces become Zhou. η 对 庑ίί# quasi-, thin resin sheet (polyethylene, thickness G.3mm, "heyi 3 its: 彳: coffee _ degrees, m, corresponding S: get _ stickers The ': tree ^ (corresponding to the guide gold layers 22 and 24) m is protected by punching out the annular element to obtain the predetermined position of the present invention. The through hole is located around the center of the annular element. The outer circumference of the annular element w #古尸& ic circle 30 diameter (that is, the diameter of the center 34 is 15 jobs 'inside circumference ring element It is 6.4 mm as the f port. The circle has the main surface on both sides of the resin layer 16 as the other genus/ϋ, and the nickel in the body portion 36 is in the shape of a ring. A part of the annular element passes through the opening portion 14 in three peripheral portions. The thickness of the layer 4 of the layer 4 of the conductive metal layers 22 and 24 is determined by the coating layer. The layered opening 敎 on the inner circumference* has a conductive metal which is subjected to a predetermined current (2GA) flow from the conductive metal thin layer 22 to be a conductive metal thin layer 24, and is measured for 1 minute and then protected by a 201241858 device. The surface temperature of the thin layer 22 rises. Further, the current interruption time of the fuse as the protection means (i.e., the time until the current flows through the splicing layer) is measured. As a result, the surface temperature rise is also 1 〇ΐ or less at any place, and the disconnection time is 0.1 second or less. [Embodiment 2] The protection device of the present invention shown in the third and fourth figures is manufactured. Therefore, the protective device 1G is manufactured so as not to have a peripheral through-opening portion, and only the tree-line layer 32 is provided around the center. Further, in terms of the manufacturing method, the opening portion of the center through opening portion is formed in the pressure-bonding material, and then the plating layer is formed by plating, and then the annular element is punched out. Other than the protective device, the other was carried out in the same manner as in the first embodiment. The medium and vertical diameters are 6.5 mm, and the thickness of the fuse layer is lightly 1 mm. T-stitching--in the protective device of the present invention, a pre-four layer of a conductive metal layer 22 is passed to another thin layer of conductive metal 24, and a thin layer of conductive metal is measured after 10 minutes. The surface temperature of 22 rises. Also, the current interruption time of the fuse line (i.e., the time until the fuse layer is blown when 100 Torr of current flows) is measured. The temperature rise of the section is below the thief, and the current interruption time is about 0.1 second. According to the village, the device of the present invention can be used to protect the flow of the aircraft. Therefore, in the protection device of the present invention, the current value of the steady state (Steady State) flow can be extremely increased in the aspect of the lungs and the second element. The gasket, the material of the material recorded in the material, is formed into a n Γ ° in the shape of the hybrid 'Baoxian ® 料 简 简 ί ί 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉Due to characteristics. A gasket can be provided which has the above-described protective device of the present invention. 201241858 [Schematic description of the drawings] is a cross-sectional view along the thickness direction. The first figure shows a schematic view of the protective device of the present invention. The second figure shows a sound map of a plan view of the protection device shown in the first figure. The third figure shows a protection device according to another aspect of the present invention, which is a schematic view of a cross-sectional view along the direction of the direction, and a fourth diagram showing a plan view of the protection device shown in the third figure. [Explanation of main component symbols] 10. 10, protective element 12 central through opening portion 14 peripheral through opening portion 16 layered element 18'20 main surface 22'24 conductive metal thin layer 26'28 other metal layer 30 inner circumference 32 fuse layer 34 outer circumference 36 body portion 38 side 40 fuse layer