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公开(公告)号：US20190066953A1
公开(公告)日：2019-02-28
申请号：US15766848
申请日：2016-10-05
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Yoshihiro YONEDA , Koichi MUKAI , Kazuyuki SAKAKIBARA
Abstract: A switch device capable of safely opening or short-circuiting an electrical circuit in response to an abnormality such as wetting with water or liquid leaking from a battery is provided. The device includes a conductor connected to an external circuit, and a reaction part including a liquid-soluble material which opens the conductor and the external circuit and which dissolves on contacting a liquid entering the device interior to electrically connect the conductor and the external circuit.
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公开(公告)号：US20160049272A1
公开(公告)日：2016-02-18
申请号：US14779464
申请日：2014-04-24
Applicant: DEXERIALS CORPORATION
Inventor： Chisato KOMORI , Koichi MUKAI , Kazutaka FURUTA , Toshiaki ARAKI , Koji EJIMA , Takashi FUJIHATA
IPC: H01H37/34
CPC classification number: H01H37/34 , H01H37/761 , H01H2085/0283
Abstract: To spread flux evenly across the entire surface of a rectangular meltable conductor, a protective element includes: an insulating substrate; a heat-generating resistor disposed on the insulating substrate; a first and a second electrodes laminated onto the insulating substrate; a heat-generating element extracting electrode overlapping the heat-generating resistor in a state electrically insulated therefrom and electrically connected to the heat-generating resistor on a current path between the first and the second electrodes; a rectangular meltable conductor laminated between the heat-generating element extracting electrode and the first and the second electrodes for interrupting a current path between the first electrode and the second electrode by being melted by heat; and a plurality of flux bodies disposed on the meltable conductor; wherein the flux bodies are disposed along the heat-generating resistor.
Abstract translation: 为了将通量均匀地扩散到矩形可熔融导体的整个表面上，保护元件包括：绝缘基板; 设置在绝缘基板上的发热电阻器; 层压在绝缘基板上的第一和第二电极; 发热元件提取电极，与发热电阻体的电绝缘状态重叠，并与第一和第二电极之间的电流路径上的发热电阻电连接; 层叠在所述发热元件提取电极与所述第一和第二电极之间的矩形可熔融导体，用于通过热熔化来中断所述第一电极和所述第二电极之间的电流通路; 以及设置在所述可熔接导体上的多个焊剂体; 其中所述通量体沿着发热电阻器设置。
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公开(公告)号：US20220069367A1
公开(公告)日：2022-03-03
申请号：US17414626
申请日：2019-10-25
Applicant: DEXERIALS CORPORATION
Inventor： Yuji KIMURA , Chisato KOMORI , Koichi MUKAI
Abstract: Provided are a protecting device and a battery pack capable of preventing floating of a blowout member, preventing deformation of a meltable conductor, and maintaining predetermined current capacity and blowout properties. The protecting device 1 includes: a meltable conductor 2; and a blowout member 4 connected to one surface of the meltable conductor 2, wherein the blowout member 4 includes: an insulating substrate 3; and a deformation suppressing electrode 5 formed on a front surface 3a connected to the meltable conductor 2 of the insulating substrate 3 and connected to the meltable conductor 2 to suppress deformation of the meltable conductor 2.
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公开(公告)号：US20170236667A1
公开(公告)日：2017-08-17
申请号：US15045842
申请日：2016-02-17
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Takashi FUJIHATA , Koichi MUKAI
CPC classification number: H01H85/046 , H01H37/761 , H01H2037/046
Abstract: A protective element includes: an insulating substrate; a heat-generating element formed on the insulating substrate; first and second electrodes formed on side edges of a front surface of the insulating substrate; first and second connecting terminals provided on the back surface of the insulating substrate and being continuous with the electrodes; through-holes penetrating the front and back surfaces of the insulating substrate to connect the electrodes to the connecting terminals respectively; a heat-generating element extracting electrode electrically connected to the heat-generating element; and a meltable conductor laminated on a region extending from the heat-generating element extracting electrode to the electrodes and to be melted by heat to interrupt the current path between the electrodes; wherein the through-holes are formed at a central portion of the side edges of the insulating substrate on which the electrodes are formed.
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公开(公告)号：US20200321175A1
公开(公告)日：2020-10-08
申请号：US16910661
申请日：2020-06-24
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Yoshihiro YONEDA , Koichi MUKAI , Kazuyuki SAKAKIBARA
Abstract: A switch device capable of safely opening or short-circuiting an electrical circuit in response to an abnormality such as wetting with water or liquid leaking from a battery is provided. The device includes a conductor connected to an external circuit, and a reaction part including a liquid-soluble material which opens the conductor and the external circuit and which dissolves on contacting a liquid entering the device interior to electrically connect the conductor and the external circuit.
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Patent Agency Ranking
公开(公告)号：US20170236666A1
公开(公告)日：2017-08-17
申请号：US15045686
申请日：2016-02-17
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Takashi FUJIHATA , Koichi MUKAI
CPC classification number: H01H37/34 , H01H85/0241 , H01H2085/0283
Abstract: A protective element includes: a rectangurarly shaped insulating substrate; a heat-generating element formed on the insulating substrate; first and second electrodes laminated on a surface of the insulating substrate; first and second connecting terminals provided on a back surface of the insulating substrate and being continuous with the first and second electrodes; a heat-generating element extracting electrode provided on a current path between the first and the second electrodes and electrically connected to the heat-generating element; and a meltable conductor laminated on a region extending from the heat-generating element extracting electrode to the first and second electrodes and to be melted by heat to interrupt the current path between the first electrode and the second electrodes; wherein at least one of the corner portions of the insulating substrate is chamfered.
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公开(公告)号：US20170236665A1
公开(公告)日：2017-08-17
申请号：US15045584
申请日：2016-02-17
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Takashi FUJIHATA , Koichi MUKAI
CPC classification number: H01H37/04 , H01H37/34 , H01H37/761 , H01H85/046 , H01H2037/046
Abstract: In a protective circuit substrate having a circuit substrate and a protective element, the protective element including: an insulating substrate; a heat-generating element; first and second electrodes laminated on the insulating substrate; a first and second connecting terminals provided on one side edge of a mounting surface to be mounted to the circuit substrate, the first connecting terminals being continuous with the first and second electrodes; a heat-generating element extracting electrode provided in a current path between the first and second electrodes and electrically connected to the heat-generating element; and a meltable conductor provided between the first and second electrodes, wherein the circuit substrate includes a region for mounting the protective element in which no electrode pattern other than a connecting electrode to the protective element is provided.
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公开(公告)号：US20180301302A1
公开(公告)日：2018-10-18
申请号：US15766951
申请日：2016-10-05
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Yoshihiro YONEDA , Koichi MUKAI , Kazuyuki SAKAKIBARA
Abstract: A switch device capable of safely opening an electrical circuit in response to an abnormality such as wetting with water or liquid leaking from a battery. The device includes a first conductor connected to an external circuit and having a relatively high ionization tendency, and a second conductor arranged close to the first conductor and having a relatively low ionization tendency which is lower than that of the first conductor, a reaction part which electrically corrodes the first conductor is formed by a liquid between the first and second conductors.
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公开(公告)号：US20180294118A1
公开(公告)日：2018-10-11
申请号：US15766853
申请日：2016-10-05
Applicant: DEXERIALS CORPORATION
Inventor： Yuji FURUUCHI , Yoshihiro YONEDA , Koichi MUKAI , Kazuyuki SAKAKIBARA
Abstract: A switch device capable of safely opening or short-circuiting an electrical circuit in response to an abnormality such as wetting with water or liquid leaking from a battery is provided. The device includes first and second conductors connected to an external circuit, and a reaction part including an insulating material which changes state on contact with a liquid, the first and second conductors being electrically connected or disconnected by the insulating material changing state on contact with the liquid.
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公开(公告)号：US20160071680A1
公开(公告)日：2016-03-10
申请号：US14888337
申请日：2014-05-01
Applicant: DEXERIALS CORPORATION
Inventor： Koichi MUKAI , Kanna MIYAZAKI
CPC classification number: H01H85/08 , H01H37/761 , H01H85/0047 , H01H85/0065 , H01H85/046 , H01H85/06 , H01H2037/768 , H01M2/34 , H01M2200/103
Abstract: A protective element achieves oxide film removing functionality in a flux enabling quick melting of a meltable conductor even when the heating temperature of a heating element is raised rapidly. Protective element includes an insulating substrate, heat-generating resistor laminated onto the insulating substrate, insulating member covering the heat-generating resistor, first and second electrode laminated onto the insulating substrate, heat-generating element extracting electrode laminated onto the insulating member so as to overlap the heat-generating element and electrically connected to the heat-generating element on a current path between the first and second electrodes, meltable conductor which is laminated above the heat-generating element extracting electrode between the first and second electrode which interrupts the current path between the first and second electrode by melting due to heat, and oxide film removing material for removing oxide film generated on the meltable conductor, the oxide film removing material having a plurality of different activation temperatures.
Abstract translation: 保护元件即使当加热元件的加热温度快速升高时，也能够在熔剂中实现氧化膜去除功能，从而能够快速熔化可熔化导体。 保护元件包括绝缘基板，层叠在绝缘基板上的发热电阻，覆盖发热电阻的绝缘部件，层叠在绝缘基板上的第一和第二电极，层叠在绝缘部件上的发热元件抽出电极， 与第一和第二电极之间的电流路径上的发热元件重叠并与第一和第二电极之间的电流路径电连接，在第一和第二电极之间层叠在发热元件提取电极之上的可熔融导体，其中断电流路径 在第一和第二电极之间由于热而熔化，以及用于除去在可熔融导体上产生的氧化膜的氧化物膜去除材料，所述氧化物膜去除材料具有多个不同的活化温度。
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