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JP5684871B2 |
To provide a protective device for a load circuit capable of detecting temperature rise of wire to reliably interrupt the load circuit when a rare short-circuit occurs.When current flowing through a load 4 is increasing, rising temperatu...
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JP2015050903A |
To provide an electromagnetic wave noise detector capable of correctly detecting abnormal electromagnetic waves without complicating a detector configuration and capable of reliably shutting off electrical power for causative electric eq...
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JP2015046543A |
To provide a semiconductor integrated circuit device that detects a temperature with high accuracy and detects overheat in quick response to heating of a transistor.A lead 12 and bonding pads 14, 15 formed on a semiconductor chip 13 are ...
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JP2015042020A |
To quickly notify a worker in a transformer station of occurrence of an earthquake.An earthquake occurrence communication system 1 comprises: a transformer protection device 2 which is a mechanical system protection relay to be activated...
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JP2015023589A |
To obtain a power source for performing failure detection, by normal operation performed by a monitored unit.A monitored unit 102 (information processing unit) is driven by a power source supplied from a power source supply unit 101. A r...
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JP2015019544A |
To provide an electric wire protection device capable of protecting an electric wire without turning off a load even when an overcurrent flows, an electric wire temperature rises, and it is necessary to cut off a current.A electric wire ...
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JP5660358B2 |
A power supply controller includes a switch circuit to be provided between the power source and the power supply path, the switch circuit switches the power supply from the power source to the load between on and off, and a power-supply-...
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JP5651334B2 |
A method and an arrangement for discharging an energy storage system for electrical energy, particularly in a vehicle having a hybrid drive line, by means of a first discharge resistor, wherein a coolant such as carbon dioxide gas is pro...
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JP2015006102A |
To provide a storage battery system capable of ensuring the reliability of a power connector and thus the reliability of the storage battery system while satisfying a request of large power supply.The storage battery system includes: a p...
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JP2015005359A |
To provide means capable of detecting malfunction of a lithium ion battery incorporated into a housing.A periphery of a lithium ion battery (10) according to the invention is sealed by a sealing member (3). The lithium ion battery includ...
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JP2014239562A |
To further improve reliability of a switch device for switching an output destination of generated power.A serial/parallel switching unit 20 performs switching between: connecting a power conditioner 210 with a single output system into ...
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JP5639868B2 |
A load circuit protective device calculates increasing temperature of wire of a load circuit with a first predetermined sampling period (dt1) determined by a clock signal for normal operation when a semiconductor relay (Q1) is on to esti...
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JP5633682B2 |
A controller of a power converter has: an average loss calculator (202) calculating an average loss in a semiconductor device; and a partial temperature variation estimation part (204), while regarding the semiconductor device as a therm...
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JP2014209824A |
To provide an interrupting device of low power consumption capable of calculating the temperature of a wire with high accuracy, by calculating a value close to the actual temperature of the wire, even when calculation of the temperature ...
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JP2014204514A |
To provide an electric wire protection device and an electric wire protection method that reliably protect electric wire from overheating due to the conduction of current even after a processor is reset for electric wire protection.An el...
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JP2014204575A |
To provide an inexpensive shut-off device capable of reliably preventing ignition of an electric wire and capable of being used for a long period of time.In a CPU 63, the temperature difference between ambient temperature of an electric ...
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JP2014525725A |
A controller-based detection system configured to adaptively learn to distinguish between detected light that is indicative of an arc fault event and detected light that is not related to an arc fault event. In particular, the detection ...
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JP5596051B2 |
Method for detecting an electric are in a photovoltaic device by ultrasound, comprising measuring at least one parameter among the amplitude, the duration and the central frequency, of an electrical signal received by an ultrasound senso...
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JP5583155B2 |
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JP5582063B2 |
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JP2014155348A |
To provide an overheat prevention device capable of more accurately preventing erroneous detection of an overheat state caused by external noise.In the case where a temperature detected by correspondent temperature-sensitive diodes 11, 1...
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JP5566611B2 |
To provide electronic equipment enhancing safety when the fuel of a fuel cell leaked by a shock. A cellular phone 1 includes a casing, an electronic circuit mounted on the casing, a fuel cell 40 and a fuel tank 41, an acceleration sensor...
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JP2014140287A |
To provide a highly reliable thermal protection device for protecting an electronic apparatus from an abnormal temperature state as thermal runaway with a simple configuration.The thermal protection device includes: a first switch 41 whi...
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JP5563013B2 |
A system (30) includes an analysis engine (34) and a notification engine (38) for selective notification of a condition (72) of an apparatus (26) monitored by a monitoring device (28). A method executed by the system (30) receives (116) ...
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JP5556902B2 |
An electric power supply system (105) for supplying a load device (180) with driving electric power includes an electric power storage device (110) and an ECU (300). The electric power storage device (110) includes a CID configured to in...
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JP2014132819A |
To provide an overheat protection circuit which protects an electrical apparatus in which life of a temperature dependence switch and/or switching electric power have/has been improved with easy designing and an inexpensive method.An ove...
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JP5537363B2 |
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JP5540455B2 |
There is provided an overheating protection circuit, including a temperature-variable voltage generating unit generating a temperature-variable voltage by adding a temperature-proportional voltage increasing with an increase in temperatu...
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JP2014117142A |
To provide an overheat protection device for a power supply code.The overheat protection device has: a code which includes a transmission wire for transmitting power and a sensor wire for transmitting a signal; a plug attached to one end...
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JP5497196B2 |
An electric power control section includes: a temperature detecting section for detecting temperatures of a battery; and an accumulation counter for accumulating numerical values assigned to the respective temperatures of the battery whi...
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JP5491223B2 |
Provided is a power supply integrated circuit including an overheat protection circuit with high detection accuracy. The overheat protection circuit includes: a current generation circuit including: a first metal oxide semiconductor (MOS...
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JP5480957B2 |
There is provided a protection apparatus for a load circuit, capable of protecting the load circuit by simulating a fuse. A pseudo heat capacity Cth* smaller than a heat capacity of an electric wire used in the load circuit is set, and a...
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JP5473399B2 |
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JP2014064459A |
To provide a protection circuit capable of preventing self-heating in discharging by performing temperature protection on a secondary battery with high precision only when a charger is connected.The protection circuit includes: a series ...
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JP2014054023A |
To provide a simply structured, small-sized, and highly accurate surge protection device (SPD) comprising an exchange recommendation display function or the like, and a management system therefor.An SPD 10 comprises a lightning protectio...
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JP2014054170A |
To provide a power supply device in a house for rapidly stopping power supply from a storage battery when a fire occurs.A power supply device in a house comprises: a storage battery 11 connected to an electric load 5 in the house; a brea...
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JP5443946B2 |
An inverter apparatus 2 includes a direct-current power supply 4, switching elements S and freewheel diodes D which are connected to the direct-current power supple 4, a means which converts a direct current voltage into a predetermined ...
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JP5448861B2 |
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JP5414817B2 |
A circuit protection device and a protection method thereof are provided. The circuit protection device includes a pulse width modulation unit (230) which detects in order for a plurality of current phases of a plurality of transistors (...
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JP5388239B2 |
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JP2013257963A |
To provide a safety device capable of blocking a DC current with stability and with certainty.A safety device 1 comprises: a temperature fuse 432 arranged between a DC power supply 41 and a resistor 22; and a capacitor 437 and a current ...
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JP2013257965A |
To eliminate a need for a control device to simplify a safety device and reduce the cost of the safety device.A safety device 1 is connected between a DC power supply 2 and a heater 3, and comprises: a normal line 5; a commutation line 8...
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JP2013257962A |
To provide a safety device requiring no control device and thereby achieving simplification and inexpensiveness.A commutation device 6 includes a bimetal which directly or indirectly receives heat from a hot-water tank 4 (or a heater 3) ...
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JP2013258797A |
To provide a safety device requiring no control device and thereby achieving simplification and inexpensiveness.A safety device 1 is connected between a DC power source 2 and a heater 3 and includes a normal line 5 connected to the DC po...
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JP5377362B2 |
A protection device protecting a load circuit by shutting off a power thereof depending on an estimated present temperature of a wire provided in the load circuit to connect a load. The protection device has a first temperature estimatio...
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JP5370156B2 |
An electric connection box 10 comprises an FET 32 for connection with a power supply B, a substrate side conduction path 18 connected with the FET 32 and connecting the FET 32 with a load L, a diode element D connected with the substrate...
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JP2013252053A |
To provide a protective device for a load circuit capable of detecting temperature rise of wire to reliably interrupt the load circuit when a rare short-circuit occurs.When current flowing through a load 4 is increasing, rising temperatu...
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JP2013251985A |
To configure so that when abnormality occurs in any one of a plurality of circuits, an abnormal part can be determined with a method capable of performing again electrification without replacing any component, while reducing limitation t...
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JP2013247727A |
To provide a device for discharging an in-vehicle capacitor when an external force by which a vehicle body is deformed is applied so as to discharge the capacitor at a necessary time and not to discharge it at an unnecessary time.An open...
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JP5360613B2 |
To provide an overheat protection circuit and a communication device, capable of securely performing the overheat protection of a device and the cancellation of an overheat cause. An overheat protection circuit 101 is operated by receivi...
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