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Matches 601 - 650 out of 4,890

Document Document Title
JP2021061731A
To reduce the occurrence of an energized fire at the time of power recovery from a power failure due to a disaster. A cutoff control system 1 is a system capable of shutting off a switch 2 provided in an electric circuit L1 connecting a ...  
JP2021061738A
To provide a circuit protection device. A circuit protection device according to an aspect of the present invention is housed in a case; a resistance heating element, a pair of electrodes provided on both sides of the resistance heating ...  
JP6857838B2
To provide a seismic unit capable of with little restriction in installation direction, and a distribution board including the same.A seismic unit 1 includes: an acceleration sensor 11 for measuring acceleration; a signal processing part...  
JP6854451B2
To also shut down a second cable way in a second management area included in an object area at the time of disaster occurence.A disaster detection system 1 includes a transmission side device 2 provided in a first management area D1 in a...  
JP2021052579A
To provide a circuit protection device. A circuit protection device according to the present invention is housed in a case; a first resistance heating element, a pair of electrodes provided on both sides of the first resistance heating e...  
JP6846244B2
An electric wire protection device includes a voltage adjuster that adjusts voltage on a power source side to be supplied to a load and a controller that includes a temperature calculation part which calculates temperature information of...  
JP2021509217A
The embodiments of the present disclosure relate to power strip control methods and devices. The method is to obtain the current temperature parameters in the ambient environment, to determine the maximum currently available power of the...  
JP2021045034A
To provide a circuit protection device.A circuit protection device according to the invention includes: a case; a negative temperature coefficient thermistor housed in the case and including a resistance heating element, a pair of electr...  
JP2021508911A
The present invention integrates an overcurrent prevention fuse and a signal fuse that can perform functions under various conditions for circuit protection, not only in the situation of overcurrent and circuit short circuit, but also in...  
JP2021040364A
To provide a power supply circuit capable of reducing a heating value of the circuit by suppressing output power without impairing functions of a connected apparatus in the case of overheat of the power supply circuit.The present inventi...  
JP6840426B2
To provide a power supply monitoring system that makes it possible to grasp an operation state of a trunk breaker even from the outside.A power supply monitoring system includes: a trunk breaker 1; first detection means V1 for detecting ...  
JP6838170B2
First to n-th (n is an integer of 2 or more) power conversion devices (U1 to Un) are connected in parallel to a load (52). First to n-th fuses (FS1 to FSn) are provided in first to n-th wirings (W1 to Wn), respectively. Each of the first...  
JP6830220B2
To provide an abnormality determination method, abnormality determination system, program, interruption system, and distribution board for determining the existence of abnormality such as an electric accident following an earthquake.A de...  
JP6830031B2
To provide a seismic sensing interruption system for securely stopping outlet output upon the occurrence of an earthquake, even if the system does not receive external signal for controlling interruption of an outlet unit with an interru...  
JPWO2020075291A1
The EV-PCS has a charge / discharge cable (11) and a plurality of terminals including two or more signal terminals, and is charged with a charge / discharge connector (12) that can connect the charge / discharge cable (11) to an electric...  
JP6825831B2
To provide a power supply unit capable of improving safety while avoiding sudden turning-off of an output when an overheat state occurs.The power supply unit includes: an overcurrent protection circuit for limiting an output current to b...  
JP6822914B2
To improve accuracy of an overheat detection and appropriately perform an overheat protection.An overheat protection circuit 10 includes: a Schottky barrier diode (SBD)D4; a transistor Q2; and a driver IC13 or the like. The Schottky barr...  
JP2021500829A
The present invention relates to a protection circuit (1). The protection circuit (1) includes at least a first field effect transistor (2), a control device (6), and a first temperature sensor (8). The first field effect transistor (2) ...  
JP6808547B2
An electric wire protection device includes a voltage adjusting unit that adjusts voltage of a power source side and supplies the resulting voltage to a load, and a controller that includes a calculation unit configured to compute temper...  
JP2020205717A
To make it possible to reliably prevent secondary damage caused by a secondary battery being energized when a fire breaks out or a fire extinguisher is in operation.In a DC power supply panel 10 having a plurality of secondary batteries ...  
JP2020199915A
To prevent an electrical current from flowing into a living thing even if the living thing touches an on-road contact, in a contact type power supply device.A contact type power supply device 100 that touches a vehicle-side contact of a ...  
JP2020202604A
To protect a power supply line without increasing functions of a slave device in a master/slave type system.In a power supply system which comprises: a battery; a master device to which power is supplied from the battery; and a slave dev...  
JP2020198766A
To provide a power switching system that can cut off a load from a power supply even when an earthquake occurs while a commercial power supply is cut off and the load is operating on a distributed power supply.A power switching system in...  
JP6796464B2
To provide an earthquake sensitive shutoff system capable of immediately shutting off a particular electric circuit if an earthquake sensitive relay senses an earthquake even if the earthquake sensitive relay is in cooperation with a HEM...  
JP6797468B2
To provide a power distribution board for making it possible to externally grasp an operation cause of a trunk breaker such as power distribution abnormality.A power supply monitoring system 1 is made to comprise: a trunk breaker 21; a s...  
JP2020188574A
To provide a thermal protector and a submerged pump, which can suppress complication of the configuration of a device provided with the thermal protector while suppressing automatic resumption of supply of electric power to a load due to...  
JP2020187822A
To provide a storage battery device that can improve convenience.According to an embodiment, there is provided a storage battery device including a housing, a plurality of battery packs, and a line heat detector. The plurality of battery...  
JP6779625B2
The present disclosure discloses an electrical switchgear configured to control an electro-magnet by using the electro-magnet, a critical temperature device, and an electro-magnet control unit without using a bimetal and a mechanical con...  
JP2020178436A
To properly determine an off abnormality of a switch in a switching part in which a first switch and a second switch with reversed orientations of parallelly connected diodes are serially connected.A first switching part SW1 comprises se...  
JP2020167882A
To provide a power distribution device capable of supplying power to a load depending on a peripheral environment.A power distribution device 50 for distributing power of a power supply 1 to a plurality of loads 21 to 23 comprises: a fus...  
JP2020158023A
To provide a vehicle control system capable of compatibly achieve improvement in safety of a vehicle after an emergency stop caused during automatic driving and improvement in continuity of a travel.A control device 15 comprises: an auto...  
JP2020162416A
To provide a household appliance including any circuit arrangement for protection against an undue overheating of a charging and/or discharging control and/or a secondary battery.A circuit arrangement includes: a secondary battery; charg...  
JP6762550B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel, and a junction box ], The occurrence of an electric accident connected with a from fire in an electric power device to whic...  
JP6758221B2
To provide an overcurrent/overheat detection function of a switching element by a simple circuit.In a switching element 106 with a minute value resistance for current detection as a source resistor, overcurrent protection and overheat pr...  
JP6756015B1
[Subject] The vicarious traumatization caused by a rechargeable battery being in an energization state, when a fire breaks out or the fire-extinguishing device is working can be prevented certainly. [Means for Solution] In direct-current...  
JP2020145828A
To reliably prevent a valve of an electrolytic capacitor from opening upon generation of an overpotential of an AC power supply regardless of a situation of a device that operates with a voltage generated by a power supply apparatus.A po...  
JP6748540B2
To provide a semiconductor device capable of performing appropriate operation in accordance with a state of a power supply circuit.A semiconductor device includes: a power supply circuit configured to generate an output voltage to be fed...  
JP2020137352A
To provide a power supply device capable of blocking a semiconductor switch in the case where an application voltage to the semiconductor switch is reduced, and an operation of a protection feature becomes an unstable state.A power suppl...  
JP6738700B2
A driving circuit according to an embodiment includes a driving unit, a first temperature detecting unit, an overheat protecting unit, a second temperature detecting unit, and a failure diagnosing unit. The driving unit supplies a drivin...  
JP6738905B2
The present invention relates to a storage battery device which is provided with: a main circuit storage battery box which is divided into a plurality of device chambers; a plurality of storage battery units which are respectively stored...  
JP6730390B2
[Problem] To simplify circuitry of a charging cable and a safety circuit. [Solution] A charging cable 50 according to the present invention is provided with: a leakage circuit breaker 15 that is connected to a power line 13 between a pow...  
JP2020111882A
To achieve overcurrent protection while miniaturizing a device and improving safety.An electric lock controller 1 for controlling an electric lock 2 includes a power supply circuit 3, a relay 4, a control unit 5, a switching element 6, a...  
JP2020112377A
To detect disconnection of a second power source line in a battery pack including a control unit to be driven by power to be supplied from at least one of the first and second power source lines.A battery pack 1 includes: a first power s...  
JP6725453B2
Methods, systems, and apparatus for a multipoint safety isolation system. The multipoint isolation system includes one or more isolation triggers that connect to multiple low voltage (LV) battery components and multiple high voltage (HV)...  
JP2020108190A
To provide a charger, a control method thereof, and a control program thereof that can suppress an arc discharge that occurs when a terminal body is separated from a charger terminal.A charger 102 charges a mobile terminal 100 with a pre...  
JP6719765B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel, and a junction box ], The occurrence of the electric accident connected with a from fire in the electric power device to wh...  
JP6719764B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel and a junction box ], The occurrence of the electric accident connected with a from fire in the electric power device to whi...  
JP3226515U
[Subject] Various electric power information is used and a smart grid protection system arranged at a power line network which can protect each electric power node in a predetermined field is provided. [Means for Solution] A smart grid p...  
JP6715481B2
To securely intercept power supply to a load after occurrence of an earthquake.A signal processing section 10 outputs an interception signal S1 to a leak current driving section 13 when an earthquake sensing section 11 senses an earthqua...  
JPWO2019021492A1
The 1st field effect transistor (FET1) inserted in the power source line (1), The partial pressure circuit of the 1st fixed resistance (R1) and the positive thermistor (PTC) which were inserted between the power source line (1) and the g...  

Matches 601 - 650 out of 4,890