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JP5092878B2 |
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JP5083175B2 |
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JP5075372B2 |
To increase charging/discharging currents of a battery pack in which a microcomputer restorably performs protection such as cutting off charging/discharging currents by turning off the FET interposed in the charging/discharging path to a...
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JP5073733B2 |
A forced discharge mechanism for a storage battery for forcibly establishing conduction between a pair of power transport paths that are respectively connected to a positive electrode terminal and a negative electrode terminal of the sto...
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JP5073204B2 |
An overvoltage protection device is adopted, which is provided with a conductive polymer that runs away thermally when the resistance value becomes V<2>/P or higher, given that the power consumption when actuated is P and the voltage of ...
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JP5057928B2 |
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JP2012196087A |
To prevent explosion and firing of a varistor due to a short circuit current in a short circuit failure state of the varistor, and to suppress damages of a protection target device even when power is supplied again in the short circuit f...
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JP5030429B2 |
To blow out a fuse surely by a heating resistor even if the voltage of a battery in a pack battery varies sharply. The protective element 2 comprises a low melting point metal 5 which is blown out upon heating, and a resistor 4 thermally...
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JP2012175794A |
To enable a failure diagnosis for a power converter more easily.The present invention is a failure diagnosis method for a power converter 2 that diagnoses a failure in the power converter 2 disposed with a transformer 4 for a converter o...
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JP2012161232A |
To provide a battery pack capable of cutting off electrical connection between battery modules, when an impact sensor for air bag, an impact sensor or a moisture sensor detects damage to the battery pack, by making a battery control sect...
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JP4985189B2 |
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JP2012124982A |
To provide a protection device for a load circuit that can reduce power consumption after a semiconductor relay Q1 is turned off.When the semiconductor relay Q1 is on, a temperature rise of the load circuit is computed at a sampling peri...
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JP2012513738A |
Method for detecting an electric arc in a photovoltaic device by ultrasound, characterized in that it comprises the following steps: measuring (E1) at least one parameter among the amplitude of the signal, the duration of the signal and ...
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JP2012115010A |
To provide an electrical device preventing accidents caused by deterioration occurring due to long term use.An electrical device 1A having a main body function part 2 operated by power supplied from an external power source 7, has: a pow...
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JP4953249B2 |
To continue charging while a failure such as deterioration and expansion of a battery is reduced even if a battery temperature rises. A protection operation control part (protection operation control IC) 245 detects an overcharge state, ...
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JP2012100418A |
To suppress leakage at flooding.A charge apparatus for an electric vehicle includes a flood sensor 6 for detecting flooding of a stand body 1, and a control section 7 for remote-controlling a remote control breaker 200 to de-energize a r...
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JP2012065520A |
To provide a protective relay capable of reducing a difference between an actual load temperature and a load temperature recorded on the protective relay without using a temperature sensor and the like even when a control power supply of...
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JP2012060879A |
To provide a high-speed accident determination device and a method in an electric power system, which determines whether an accident occurs or not at a very rapid speed.The accident determination device comprises: a current transformer w...
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JP4899917B2 |
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JP4885594B2 |
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JP2012039803A |
To provide an electronic circuit which has a function to protect an IC element from excessive current due to latchup.An electronic circuit comprises: an IC element having a terminal connecting to a power source voltage and a terminal con...
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JP2012029545A |
To provide an overcurrent shut-off apparatus capable of performing a highly accurate overcurrent shut-off, and an overcurrent detection element used for the same.An overcurrent shut-off apparatus 10 includes: a heating part 21 disposed i...
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JP2012029488A |
To provide a portable electronic apparatus preventing exothermic heat caused by failure of an electronic circuit and the like and improving safety and workability for failure analysis by recording fault factors.A portable electronic appa...
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JP4864373B2 |
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JP2012016259A |
To provide effective thermal protection for elements by estimating a temperature exceeding the maximum value of pulsating temperatures even in a transient state of average temperature, not just in a saturated state of average temperature...
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JP2012501043A |
A surge protector includes a thermal separating device and an error display, and at least two first protection elements, particularly disk-shaped varistors (7), and at least one second protection element, particularly a gas arrester (9),...
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JP2011244592A |
To provide a drive controller of single phase induction motor capable of correctly recognizing open operation of a thermal protector.A drive controller of single phase induction motor comprises: first voltage monitoring means (15) that m...
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JP4823975B2 |
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JP4818847B2 |
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JP4812699B2 |
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JP2011205776A |
To provide an electronic device, an electronic device system, and a program which can detect failure certainly and easily even when failure due to high temperature occurs in the power system of an electronic device.When a sign of failure...
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JP2011199930A |
To provide an outlet including a shutoff function that can shut off electricity at the occurrence of vibration, and can be handled easily.The outlet including a shutoff function includes a plug cap 11 insertable into an existing outlet 1...
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JP4776251B2 |
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JP4770446B2 |
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JP4762044B2 |
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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JP2011160569A |
To provide a system interconnecting generator for preventing fires that occur due to the heat generated or short-circuiting of electrical component.The system interconnecting generator 1 boosts DC power generated in a solar battery by a ...
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JP2011147250A |
To measure a temperature of a semiconductor switching element with high accuracy.The heat generated at the semiconductor switching element 2 is transferred to a conductor layer L7 through a conductor layer L1, a base material conductor l...
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JP4727587B2 |
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JP2011122853A |
To analyze a frequency of an audio signal generated from a consumer apparatus, and estimate a failure and an abnormality as a precursor of the consumer apparatus.An apparatus failure evaluation system is equipped with: an audio measureme...
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JP4708338B2 |
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JP2011115030A |
To provide a forced discharge mechanism, along with a safety switch device of a storage battery, capable of improving a safety property without using an electrical control configuration when abnormal states such as a water leak or the li...
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JP4687743B2 |
A battery pack includes at least one secondary battery, a fuse, and a control section. The fuse is configured to cut off charge or discharge current of the secondary battery upon detection of an abnormality of the secondary battery. The ...
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JP2011101557A |
To protect a power conditioner of a photovoltaic power generation system from direct lightning damage.This power conditioner protection device 1 is installed on the roof of a dwelling house H, detects thunder light and the lightning dama...
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JP2011097812A |
To accurately estimate the temperature of other switching elements, based on temperature detected from one switching element regardless of in what operation mode an inverter is.An inverter device 2 is equipped with: a direct-current powe...
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JP4680609B2 |
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JP4679281B2 |
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JP4672219B2 |
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JP2011078297A |
To provide a circuit protective device and its method.By detecting a first temperature of a first circuit by means of a temperature detection unit, it is determined whether the first temperature exceeds a temperature threshold. When the ...
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JP2011059402A |
To provide a display device using light-emitting diodes (LEDs), which endures a serge voltage from an AC input and thermal stress, while assuring stable illuminance.In the display device using an LED including: a rectifying circuit 2 for...
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JPWO2009048052A1 |
電気接続箱１０は、電源Ｂに接続されるＦＥ
Ｔ３２と、ＦＥＴ３２に接続されて、ＦＥＴ
３２と負荷Ｌとを接続する基板側導電路１８
と、基板側導電路１８に対して電気的に...
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