Short-circuit element and a circuit using the same
First Claim
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1. A short-circuit element comprising:
- an insulating substrate;
a first and a second heat-generating resistors formed on the insulating substrate;
a first and a second electrodes arranged adjacently to each other on the insulating substrate;
a third electrode arranged adjacently to the first electrode on the insulating substrate and electrically connected to the first heat-generating resistor;
a fourth electrode arranged adjacently to the second electrode on the insulating substrate and electrically connected to the second heat-generating resistor;
a first meltable conductor arranged between the first and third electrodes to constitute a current path capable of being blown by a heat generated by the first heat-generating resistor; and
a second meltable conductor arranged between the second and fourth electrodes to constitute a current path capable of being blown by a heat generated by the second heat-generating resistor,wherein the first and second meltable conductors are melted by the heat from the first and second heat-generating resistors and gather on the first and second electrodes to short-circuit the first and second electrodes.
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Accused Products
Abstract
A bypass avoiding only abnormal cells or abnormal electronic components in an electronic appliance having a plurality of battery cells or electronic components is formed to decrease resistance while keeping functionality.
7 Citations
95 Claims
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1. A short-circuit element comprising:
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an insulating substrate; a first and a second heat-generating resistors formed on the insulating substrate; a first and a second electrodes arranged adjacently to each other on the insulating substrate; a third electrode arranged adjacently to the first electrode on the insulating substrate and electrically connected to the first heat-generating resistor; a fourth electrode arranged adjacently to the second electrode on the insulating substrate and electrically connected to the second heat-generating resistor; a first meltable conductor arranged between the first and third electrodes to constitute a current path capable of being blown by a heat generated by the first heat-generating resistor; and a second meltable conductor arranged between the second and fourth electrodes to constitute a current path capable of being blown by a heat generated by the second heat-generating resistor, wherein the first and second meltable conductors are melted by the heat from the first and second heat-generating resistors and gather on the first and second electrodes to short-circuit the first and second electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72)
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73. A short-circuit element circuit comprising:
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a switch; a first fuse connected to one end of the switch; a second fuse connected to the other end of the switch; a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch; and a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch, wherein the switch is short-circuited by meltable conductor of the first and second fuses when the first and second fuses are blown.
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74. A compensation circuit comprising:
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a short-circuit element comprising a switch, a first fuse connected to one end of the switch, a second fuse connected to the other end of the switch, a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch, and a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch, wherein the switch is short-circuited by meltable conductor of the first and second fuses when the first and second fuses are blown; an electronic component; a protective element connected in a current path of the electronic component, which disconnects the electrical connection to the electronic component in the case of an electronic; a protective component which detects an abnormality of the electronic component and outputs an abnormal signal; and a first to third controlling elements which operate in accordance with the abnormal signal from the protective component, wherein both terminals of the electronic component and the protective element are connected to both terminals of the switch in parallel, wherein the first and second heat-generating resistor, and an electric signal input terminal of the protective element are respectively connected to the first to third controlling elements, and wherein, in an abnormal situation of the electronic component, the first to third controlling elements operate in accordance with an abnormal signal from the protective component to disconnect the current path of the electronic component with the protective element and to short-circuit the switch in conjunction with melting of the first and second fuses to form a bypass current path. - View Dependent Claims (75, 76, 77, 78, 79)
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80. A compensation circuit comprising:
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a short-circuit element comprising a switch, a first fuse connected to one end of the switch, a second fuse connected to the other end of the switch, a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch, and a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch, wherein the switch is short-circuited by meltable conductor of the first and second fuses when the first and second fuses are blown; an electronic component; a protective element connected in a current path of the electronic component, which disconnects the electrical connection to the electronic component in the case of an electronic signal; a protective component which detects an abnormality of the electronic component and outputs an abnormal signal; and a first and a second controlling elements which operate in accordance with the abnormal signal from the protective component, wherein both terminals of the electronic component and the protective element are connected to both terminals of the switch in parallel, wherein a terminal of the first heat-generating resistor is connected to the first controlling element, and a terminal of the second heat-generating resistor and an electric signal input terminal of the protective element are connected to the second controlling element, and wherein in an abnormal situation of the electronic component, the first and second controlling elements operate in accordance with an abnormal signal from the protective component to disconnect the current path of the electronic component with the protective element and to short-circuit the switch in conjunction with melting of the first and second fuses to form a bypass current path. - View Dependent Claims (81, 82, 83, 84, 85)
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86. A short-circuit element circuit comprising:
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a switch; a first fuse connected to one end of the switch; a second fuse connected to the other end of the switch; a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch; a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch; and a protective resistor connected to the switch, wherein the switch is short-circuited by meltable conductor of the first and second fuses when the first and second fuses are blown.
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87. A compensation circuit comprising:
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a short-circuit element comprising a switch, a first fuse connected to one end of the switch, a second fuse connected to the other end of the switch, a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch, a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch, and a protective resistor connected to the switch; an electronic component; a protective element connected in a current path of the electronic component, which disconnects the electrical connection to the electronic in the case of an electronic signal; a protective component which detects an abnormality of the electronic component and outputs an abnormal signal; and a first to third controlling elements which operate in accordance with the abnormal signal from the protective component, wherein both terminals of the electronic component and the protective element are connected to both terminals of the switch in parallel, wherein the first and second heat-generating resistor, and an electric signal input terminal of the protective element are respectively connected to the first to third controlling elements, and wherein, in an abnormal situation of the electronic component, the first to third controlling elements operate in accordance with an abnormal signal from the protective component to disconnect the current path of the electronic component with the protective element and to short-circuit the switch in conjunction with melting of the first and second fuses to form a bypass current path. - View Dependent Claims (88, 89, 90)
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91. A compensation circuit comprising:
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a short-circuit element comprising a switch, a first fuse connected to one end of the switch, a second fuse connected to the other end of the switch, a first heat-generating resistor connected to the other end of the first fuse opposite to the end connected to the switch, a second heat-generating resistor connected to the other end of the second fuse opposite to the end connected to the switch, and a protective resistor connected to the switch, wherein the switch is short-circuited by meltable conductor of the first and second fuses when the first and second fuses are blown; an electronic component; a protective element connected in a current path of the electronic component, which disconnects the electrical connection to the electronic component in the case of an electronic signal; a protective component which detects an abnormality of the electronic component and outputs an abnormal signal; and a first and a second controlling elements which operate in accordance with the abnormal signal from the protective component, wherein both terminals of the electronic component and the protective element are connected to both terminals of the switch in parallel, wherein a terminal of the first heat-generating resistor is connected to the first controlling element, and a terminal of the second heat-generating resistor and an electric signal input terminal of the protective element are connected to the second controlling element, and wherein in an abnormal situation of the electronic component, the first and second controlling elements operate in accordance with an abnormal signal from the protective component to disconnect the current path of the electronic component with the protective element and to short-circuit the switch in conjunction with melting of the first and second fuses to form a bypass current path. - View Dependent Claims (92, 93, 94)
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95. A mounting member in which a short-circuit element is mounted onto a mounting target, the short-circuit element comprising:
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an insulating substrate; a first and a second heat-generating resistors formed on the insulating substrate; a first and a second electrodes arranged adjacently to each other on the insulating substrate; a third electrode arranged adjacently to the first electrode on the insulating substrate and electrically connected to the first heat-generating resistor; a fourth electrode arranged adjacently to the second electrode on the insulating substrate and electrically connected to the second heat-generating resistor; a first meltable conductor arranged between the first and third electrodes to constitute a current path capable of being blown by a heat generated by the first heat-generating resistor; a second meltable conductor arranged between the second and fourth electrodes to constitute a current path capable of being blown by a heat generated by the second heat-generating resistor; and a first external connecting electrode continuous with the first electrode formed on the same surface as the first and second electrodes, and a second external connecting electrode continuous with the second electrode, wherein the first electrode is connected to the mounting target via the first external connecting terminal connected to the first external connecting electrode, and the second electrode is connected to the mounting target via the second external connecting terminal connected to the second external connecting electrode, and wherein a combined resistance of the first external connecting terminal and the second external connecting terminal is lower than a conduction resistance between the first and second external connecting electrodes when the first meltable conductor is melted by the heat from the first and second heat-generating resistors and gathers on the first and second electrodes to short-circuit the first and second electrodes.
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Specification