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公开(公告)号：US07333315B2
公开(公告)日：2008-02-19
申请号：US11139599
申请日：2005-05-31
IPC分类号： H02H5/04
CPC分类号： H01M2/34 , H01M10/42 , H01M10/425 , H01M10/46 , H01M2200/103 , H02J7/0031
摘要： A secondary battery device 1 including multiple protective circuits U1-U3 connected in parallel and each having two fuses fa, fb connected in series, wherein a terminal tc of each heater h is connected to a switch element 4 via rectifier element D1-D3. Even if a potential difference is generated between terminals tc, no residual current flows because any one of the rectifier elements D1-D3 is reverse-biased.
摘要翻译： 并联连接的多个保护电路U 1 -U 3 3的二次电池装置1分别具有两个保险丝f 1， b 串联连接，其中每个加热器h的端子t C通过整流元件D 1〜D 3连接到开关元件4 。 即使在端子t C c之间产生电位差，也不会流过剩余电流，因为整流元件D 1〜N 3 3中的任何一个为 反向偏置。
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公开(公告)号：US20050221164A1
公开(公告)日：2005-10-06
申请号：US11139599
申请日：2005-05-31
CPC分类号： H01M2/34 , H01M10/42 , H01M10/425 , H01M10/46 , H01M2200/103 , H02J7/0031
摘要： A secondary battery device 1 including multiple protective circuits U1-U3 connected in parallel and each having two fuses fa, fb connected in series, wherein a terminal tc of each heater h is connected to a switch element 4 via rectifier element D1-D3. Even if a potential difference is generated between terminals tc, no residual current flows because any one of the rectifier elements D1-D3 is reverse-biased.
摘要翻译： 并联连接的多个保护电路U 1 -U 3 3的二次电池装置1分别具有两个保险丝f 1， b 串联连接，其中每个加热器h的端子t C通过整流元件D 1〜D 3连接到开关元件4 。 即使在端子t C c之间产生电位差，也不会流过剩余电流，因为整流元件D 1〜N 3 3中的任何一个为 反向偏置。
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公开(公告)号：US07535332B2
公开(公告)日：2009-05-19
申请号：US10538754
申请日：2003-12-05
IPC分类号： H01H85/08 , H01H85/044
CPC分类号： H01H85/046 , H01H2085/466
摘要： A protective element has a heat-generating member and a low-melting metal member on a substrate, in which the low-melting metal member is blown out by the heat generated by the heat-generating member, wherein at least two strips of low-melting metal member are provided as the low-melting metal member, for example, between the pair of electrodes that pass current to the low-melting metal member, so that the lateral cross section of at least part of the low-melting metal member is substantially divided into at least two independent cross sections. This protective element has a shorter and more consistent operating time. It is preferable here to provide at least two strips of low-melting metal member between the pair of electrodes that pass current to the low-melting metal member. It is also preferable to provide one strip of low-melting metal member having a slit in its center, between the pair of electrodes that pass current to the low-melting metal member.
摘要翻译： 保护元件在基板上具有发热部件和低熔点金属部件，其中低熔点金属部件被发热部件产生的热量吹出，其中至少两条低熔点金属部件， 作为低熔点金属构件，例如在通过电流流向低熔点金属构件的一对电极之间设置熔融金属构件，使得至少部分低熔点金属构件的横截面为 基本分为至少两个独立横截面。 该保护元件具有更短和更一致的操作时间。 这里优选的是在一对电极之间提供至少两条低熔点金属部件，这些电极将电流传递到低熔点金属部件。 还优选在一对电极之间提供一条在其中心具有狭缝的低熔点金属构件条，该电极将电流传递到低熔点金属构件。
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公开(公告)号：US20070159138A1
公开(公告)日：2007-07-12
申请号：US10598924
申请日：2005-09-06
申请人： Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
发明人： Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
IPC分类号： H02J7/00
CPC分类号： H02H7/18 , H01H2085/466 , H02J7/0026 , H02J2007/0039 , Y02T10/7055
摘要： A protection circuit is provided. The protection circuit protects a battery pack from overcurrents and overvoltages using sensing means and a protection device having a heating resistor and a fuse element provided on a circuit board. This protection circuit allows for sharing a protection device regardless of the current rating and the voltage rating of the battery pack, thereby being manufactured at low costs. A protection circuit protects a battery pack having serially connected rechargeable batteries from overcurrents and overvoltages. The protection circuit includes a protection device having heating resistors and fuse elements provided on a circuit board, and sensing means for detecting an overvoltage across any of the batteries in the battery pack and switching a current flowing into the heating resistor. The protection circuit allows the sensing means in an overvoltage condition to switch on the current flowing through the heating resistor. This allows the voltage across a predetermined number of the serially connected batteries in the battery pack to be applied to the heating resistor, thereby causing the heating resistor to generate heat and the fuse element to be melted.
摘要翻译： 提供保护电路。 保护电路使用感测装置和具有加热电阻器和设置在电路板上的保险丝元件的保护装置来保护电池组免于过电流和过电压。 该保护电路允许共享保护装置，而与电池组的电流额定值和额定电压无关，从而以低成本制造。 保护电路保护具有串联的可充电电池的电池组免受过电流和过电压的影响。 保护电路包括具有加热电阻器和设置在电路板上的保险丝元件的保护装置，以及用于检测电池组中的任何电池的过电压以及切换流入加热电阻器的电流的检测装置。 保护电路允许感测装置处于过压状态，以接通流经加热电阻器的电流。 这允许将电池组中预定数量的串联电池的电压施加到加热电阻器，从而使加热电阻器产生热量并使熔丝元件熔化。
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公开(公告)号：US07679330B2
公开(公告)日：2010-03-16
申请号：US10598924
申请日：2005-09-06
申请人： Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
发明人： Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
IPC分类号： H02J7/00
CPC分类号： H02H7/18 , H01H2085/466 , H02J7/0026 , H02J2007/0039 , Y02T10/7055
摘要： A protection circuit is provided, which protects a battery pack from overcurrents and overvoltages using sensing means and a protection device having a heating resistor and a fuse element provided on a circuit board. This protection circuit allows for sharing a protection device regardless of the current rating and the voltage rating of the battery pack, thereby being manufactured at low costs.
摘要翻译： 提供保护电路，其使用感测装置和具有加热电阻器和设置在电路板上的熔丝元件的保护装置来保护电池组免于过电流和过电压。 该保护电路允许共享保护装置，而与电池组的电流额定值和额定电压无关，从而以低成本制造。
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公开(公告)号：US07163757B2
公开(公告)日：2007-01-16
申请号：US10262232
申请日：2002-10-01
CPC分类号： H01M10/425 , H01M10/42 , H02H7/18
摘要： A secondary battery with high safety is provided. A heater and a diode are connected in series, and a thermistor is connected in parallel with thus formed series circuit. A fuse is connected in series with thus formed parallel circuit to form a protective circuit, which is attached to an accumulator to complete a secondary battery. In the case of overcharging, the accumulator generates heat so that the thermistor heats up to increase the resistance value. As a result, the current pass through the heater, which generates heat to break the fuse. In the case of short circuit, the diode is reverse-biased and no current passes through the heater so that the fuse does not break.
摘要翻译： 提供了高安全性的二次电池。 串联连接加热器和二极管，并且将热敏电阻与这样形成的串联电路并联连接。 保险丝与这样形成的并联电路串联连接，形成一个保护电路，该保护电路连接到蓄电池以完成二次电池。 在过充电的情况下，蓄能器产生热量，使得热敏电阻加热以增加电阻值。 结果，电流通过加热器，其产生热量以断开保险丝。 在短路的情况下，二极管是反向偏置的，没有电流通过加热器，因此保险丝不会断开。
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公开(公告)号：US06917505B2
公开(公告)日：2005-07-12
申请号：US10240649
申请日：2002-01-17
CPC分类号： H01M2/348 , H01H2085/466 , H01M2/34 , H01M2200/103 , H01M2200/106 , H02H7/18 , H02H9/026
摘要： A protective circuit for a secondary battery is formed with a heater and a thermistor that are connected in parallel, and a main fuse is connected in series with the parallel circuit. In a secondary battery equipped with this protective circuit, a charging/discharging current passes through the protective circuit and is limited by the operation of the thermistor when the voltage applied during abnormal conditions is relatively low. On the other hand, the current will cause the main fuse to blow when the voltage during abnormal conditions is high.
摘要翻译： 二次电池的保护电路由并联的加热器和热敏电阻形成，并且主熔丝与并联电路串联连接。 在配备该保护电路的二次电池中，当异常状态下施加的电压相对较低时，充电/放电电流通过保护电路并受到热敏电阻的操作的限制。 另一方面，当异常情况下的电压高时，电流会导致主保险丝熔断。
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公开(公告)号：US06462318B2
公开(公告)日：2002-10-08
申请号：US09851998
申请日：2001-05-10
申请人： Yuji Furuuchi , Masami Kawazu
发明人： Yuji Furuuchi , Masami Kawazu
IPC分类号： H05B102
CPC分类号： H01L23/62 , H01L2924/0002 , H01L2924/09701 , H01L2924/00
摘要： A protective element contains a heat-generating member and a low melting metal member on a substrate. The low melting metal member is caused to blow out by the heat generated by the heat-generating member. The number of locations on the low melting metal member which are able to blow out is larger than the number of locations which are supposed to blow out so that the protective element is endowed with a “fail-safe” function.
摘要翻译： 保护元件在基板上包含发热元件和低熔点金属元件。 使低熔点金属构件被发热构件产生的热量吹出。 能够吹出的低熔点金属构件上的位置的数量大于应该吹出的位置的数量，使得保护元件具有“故障保护”功能。
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公开(公告)号：US06566995B2
公开(公告)日：2003-05-20
申请号：US09845334
申请日：2001-05-01
申请人： Yuji Furuuchi , Masami Kawazu
发明人： Yuji Furuuchi , Masami Kawazu
IPC分类号： H01H8508
CPC分类号： H01L23/5256 , H01H85/463 , H01H2085/466 , H01L2924/0002 , H01L2924/09701 , H01L2924/3011 , H01L2924/00
摘要： A protective element contains a heat-generating member and a low melting metal member on a substrate, in which the low melting metal member is molten by the heat generated by the heat-generating member and flows onto electrodes, which causes the low melting metal member to blow out, Formula (1) below is satisfied: (cross-sectional area of the low melting metal member)/(surface area of the blowout-effective electrode)≦0.15 (1) Alternatively, Formula (2) below is satisfied: 2.5≦(inter-electrode distance)/(cross-sectional area of the low melting metal member)≦30 (2) wheren the inter-electrode distance is defined as the distance between two electrodes, among the low melting metal member electrodes onto which the molten low melting metal member flows, which are adjacent to each other with the low melting metal member interposed therebetween.
摘要翻译： 保护元件在基板上包含发热部件和低熔点金属部件，其中低熔点金属部件被发热部件产生的热量熔化并流向电极，这导致低熔点金属部件 要满足以下公式（1）：或者，满足以下公式（2）：其中，电极间距离被定义为两个电极之间的距离，在低熔点金属构件电极中熔融低熔点 金属构件流动，彼此相邻，低熔点金属构件插入其间。
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公开(公告)号：US06351361B1
公开(公告)日：2002-02-26
申请号：US09549203
申请日：2000-04-13
申请人： Masami Kawazu , Hisaya Tamura , Norikazu Iwasaki
发明人： Masami Kawazu , Hisaya Tamura , Norikazu Iwasaki
IPC分类号： H01H8504
CPC分类号： H01H85/463 , H01H2085/466
摘要： An electrical current protection device capable of highly safe and rapid shutoff or suppression of electric current is disclosed. In addition to internal electrical current protection capabilities, external environmental triggers are also provided. The current protection device may include substrate-based thermal metallic fuse, PTC current-suppressing protection, thermal heat elements, integrated-circuit based voltage-drop detector, an FET-based current switch, and an external detector for environmental sensing and trigger.
摘要翻译： 公开了一种能够高度安全和快速地关断或抑制电流的电流保护装置。 除了内部电流保护功能外，还提供外部环境触发器。 电流保护装置可以包括基于基板的热金属保险丝，PTC电流抑制保护，热电元件，基于集成电路的电压降检测器，基于FET的电流开关和用于环境感测和触发的外部检测器。
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