Short-circuit element and a circuit using the same
First Claim
Patent Images
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 fifth electrode arranged adjacently to the fourth electrode;
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 fifth electrodes through the fourth electrode to constitute a current path, in which the current path between the second and fourth electrodes and between the fourth and fifth electrodes are 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.
1 Assignment
0 Petitions
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.
2 Citations
69 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 fifth electrode arranged adjacently to the fourth electrode; 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 fifth electrodes through the fourth electrode to constitute a current path, in which the current path between the second and fourth electrodes and between the fourth and fifth electrodes are 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)
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57. A short-circuit element circuit comprising:
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a switch; a first fuse connected to one end of the switch; a first heat-generating resistor connected to an open end of the first fuse; a second and a third fuses serially connected to an open end of the switch; and a second heat-generating resistor connected to a connecting point of the second and the third fuses, wherein the second and the third fuses are blown by a heat generated by the second heat-generating resistor, and wherein the first fuse is blown by a heat generated by the first heat-generating resistor, and the switch is short-circuited by meltable conductor of the first fuse.
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58. 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 first heat-generating resistor connected to an open end of the first fuse, a second and a third fuses serially connected to an open end of the switch, and a second heat-generating resistor connected to a connecting point of the second and the third fuses, wherein the second and the third fuses are blown by a heat generated by the second heat-generating resistor, and the first fuse is blown by a heat generated by the first heat-generating resistor, and the switch is short-circuited by meltable conductor of the first fuse; an electronic component; 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 the second and third fuses are serially connected to the electronic component to constitute a current path, wherein the connecting point of the switch and the first fuse is bypassed to an open end of the electronic component, wherein the first controlling element is connected to an open end of the first heat-generating resistor, wherein the second controlling element is connected to an open end of the second heat-generating resistor, 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 and to short-circuit the switch in conjunction with melting of the first fuse to form a bypass current path. - View Dependent Claims (59, 60, 61, 62, 63)
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64. A short-circuit element circuit comprising:
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a switch; a first fuse connected to one end of the switch; a first heat-generating resistor connected to an open end of the first fuse; a protective resistor connected to a connecting point of the switch and the first fuse; a second and a third fuses serially connected to an open end of the switch; and a second heat-generating resistor connected to a connecting point of the second and the third fuses, wherein the second and the third fuses are blown by a heat generated by the second heat-generating resistor, and wherein the first fuse is blown by a heat generated by the first heat-generating resistor, and the switch is short-circuited by meltable conductor of the first fuse.
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65. 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 first heat-generating resistor connected to an open end of the first fuse, a protective resistor connected to a connecting point of the switch and the first fuse, a second and a third fuses serially connected to an open end of the switch, and a second heat-generating resistor connected to a connecting point of the second and the third fuses, wherein the second and the third fuses are blown by a heat generated by the second heat-generating resistor, and the first fuse is blown by a heat generated by the first heat-generating resistor, and the switch is short-circuited by meltable conductor of the first fuse; an electronic component; 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 the second and third fuses are serially connected to the electronic component to constitute a current path, wherein an open end of the protective resistor is bypassed to an open end of the electronic component, wherein the first controlling element is connected to an open end of the first heat-generating resistor, wherein the second controlling element is connected to an open end of the second heat-generating resistor, 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 and to short-circuit the switch in conjunction with melting of the first fuse to form a bypass current path. - View Dependent Claims (66, 67, 68)
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69. 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 fifth electrode arranged adjacently to the fourth electrode; 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 fifth electrodes through the fourth electrode to constitute a current path, in which the current paths between the second and fourth electrodes and between the fourth and fifth electrodes are 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