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JP2023136163A |
To provide a relay derive controller capable of driving a relay, while suppressing an increase in cost and scale (size and weight).A relay derive controller for connecting a battery installed in a vehicle with an external power supply co...
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JP7349475B2 |
A relay control circuit is configured to control opening and closing of a contact of a non-latch relay that includes the contact and a coil configured to operate the contact. The relay control circuit includes: a low-voltage power supply...
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JP7347006B2 |
A protective device includes a relay having a contact that opens and closes a current path of a cell, and a control device that controls the relay. The control device executes a reduction processing of reducing a contact resistance of th...
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JP2023130247A |
To enable abnormality of equipment connected to a relay to be sensed without using information acquired from an equipment side, thereby enabling the abnormality of the equipment to be indirectly predicted.An abnormality sensing device co...
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JP7347038B2 |
To stably operate a relay switch that is provided to a power line of a motor.A door ECU having a function of a motor control device includes a relay switch 61 that is provided to a power line 55 connecting a motor 10 to a driving circuit...
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JP7346597B2 |
The disclosure relates to a method for predicting the failure of an elementary relay having a switch for switching a load contact of a load circuit and an excitation coil for actuating the switch. The method may include exciting the exci...
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JP3243785U |
The present invention provides a relay protection platen that is easy to control. A relay protection platen includes a platen mechanism 100, a connection mechanism 200, and a throw-and-retract mechanism 300. The platen mechanism includes...
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JP2023129668A |
To provide a power contact point electrode plasma therapy circuit.The power contact point electrode plasma therapy circuit includes a pair of terminals adapted to connect to a pair of switchable contact point electrodes of a power contac...
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JP2023127189A |
To provide a relay control device which can be used in common independent of a relay characteristic as a driving object.Driving circuits 21 to 23 perform power conduction to driving coil of relays 81 to 83 provided at a path for supplyin...
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JP7341048B2 |
A welding detection device includes a first circuit including a detection element, a first circuit power supply, and a second circuit. The first circuit is connected to a first line connecting a power supply and a main relay and a second...
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JP2023124360A |
To provide a contact monitoring device for monitoring a contact state of an external electric apparatus, in which, even when there is occurrence of an oxide film at a mechanical contact of the external electric apparatus, electricity con...
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JP7331585B2 |
To facilitate installation by standardizing for a plurality of types of loads.A wiring accessory according to an embodiment includes a contact switching circuit composed of contact switching elements that are arranged on a power supply p...
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JP7327853B2 |
A power contact electrode plasma therapy circuit includes a pair of terminals adapted to be connected to a set of switchable contact electrodes of a power contact. A plasma ignition detector is configured to detect an electrical paramete...
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JP2023109221A |
To provide a relay apparatus management system that makes it possible to efficiently handle a relay apparatus.Provided is a relay management system by a control device for a work machine the drive of which is controlled. The relay appara...
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JP7323019B2 |
To obtain a relay control device capable of driving a relay circuit even when power supply from one of a commercial power source and an operating device is interrupted, and reducing current consumption of the operating device.A relay cir...
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JP2023104642A |
To provide a relay control device capable of directly monitoring the temperature inside a relay without increasing the number of components.A relay control device 1 is configured to control the drive of a relay 2 that opens and closes co...
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JP7312294B1 |
A technology for a relay control device that achieves further power saving is provided. A relay control device (1) includes a charge pump circuit (10) that generates a voltage lower than the rated voltage of a DC polarized control relay ...
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JP7300564B1 |
[Theme] Provided is an electromagnetic relay having a security function that enables energization by receiving a relay energization permission instruction from the outside using a remote key or the like. [Solution] An electromagnetic rel...
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JP2023086351A |
To eliminate icing on a mechanical relay contact with a simple configuration.A relay device includes a mechanical relay, and a switching unit that switches the voltage applied to a coil of the mechanical relay between a first voltage and...
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JP7291218B2 |
The invention relates to a control circuit (200) for controlling a bistable relay (102), the bistable relay (102) having a first switching state and a second switching state. The control circuit (200) can be powered by a supply voltage a...
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JP2023078539A |
To properly cope with freezing occurring in a contact point of a relay.A processor of a controller executes the steps of: determining whether freezing generation condition that is a condition where freezing occurs at a contact point of a...
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JP7288513B2 |
Even when a power supply relay cannot be turned off and when power supply to a microcomputer is normally cut off, fixing of the power supply relay is detected. An electronic control device 100 according to an aspect of the present invent...
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JP2023074098A |
To provide a technique for improving certainty of abnormality detection in a control device for a relay.A control device 10 is a device for controlling a relay 20. The control device 10 comprises a control element 12, a monitoring circui...
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JP7259812B2 |
To provide a circuit control device suppressing the occurence of malfunction in a control part.A circuit control device comprises: a main relay switch 4a in which a power source 1 of a vehicle is connected to one contact point; a main re...
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JP2023053715A |
To provide a contactor failure determination device capable of appropriately determining a failure of a contactor provided in a vehicle.A vehicle contactor failure determination device is provided with a detection device capable of detec...
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JP2023053714A |
To provide a contactor failure determination device capable of appropriately determining a failure of a contactor provided in a vehicle.A vehicle contactor failure determination device includes a detection device capable of detecting inc...
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JP7252412B2 |
The present invention provides a coil driving device comprising: an input voltage sensing unit for sensing an input voltage; a switch unit configured to make a switching operation to supply a driving current to a coil; a PWM circuit unit...
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JP2023042382A |
To provide a protection system for an electromagnetic relay for preventing conduction failure of a contact point due to freezing of the electromagnetic relay with a simple configuration.A protection system 10 for an electromagnetic relay...
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JP2023042353A |
To provide a control method for an electromagnetic relay which cancels a conduction defect of a contact caused by an obstacle such as icing of the electromagnetic relay or duct in simple configuration, and a control device.In a control m...
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JP7243153B2 |
To provide a contact lifetime diagnosis device for an electric apparatus capable of diagnosing the lifetime of a contact with high accuracy and in a short time.The present invention relates to a device for diagnosing the lifetime of a co...
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JP7232068B2 |
A power supply system includes a power source, a relay, a switch, and a controller. The relay is interposed between the power source and a load. The switch is configured to be coupled to the load in a state where the switch allows or dis...
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JP7226307B2 |
[Problem] A new and improved arc suppression device is provided that allows for reduction in power consumption in a semiconductor at a time of power shutoff by reducing power consumption of a current-limiting circuit that is used for sup...
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JP2023019569A |
To execute safety processing even when a primary side and a secondary side of a transformer included in a relay drive circuit are short-circuited.A relay drive circuit (10) drives a relay (90) including a coil unit (91) and a contact por...
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JP7218659B2 |
A power supply system includes a power storage device, a positive electrode-side relay, a negative electrode-side relay, a power control unit that includes a capacitor configured to be pre-charged in response to a system start request an...
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JP7205401B2 |
To determine the failure of a relay even when equipment operating with the DC power source is stopped.A relay failure determination device (3) comprises: a resistance circuit (4) which has a first series circuit (41) made of two resistor...
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JP7204000B2 |
A coil drive device energizes an operation coil to close an electromagnetic contactor. A rectifier outputs, to a power supply line, an input voltage obtained by full-wave rectification of an AC voltage supplied from a main power source. ...
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JP7203242B2 |
There is provided a solenoid device in which a fixed wall and a supporting wall having a protruding portion are provided in a flange portion of a bobbin, in which a surge absorption device is held in a space between the supporting wall a...
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JP2023002348A |
To provide a relay control circuit capable of reducing a loss of a relay compared with the conventional art.A relay (RL1) comprises a contact (FO1) and a coil (CO1) that actuates the contact (FO1). One end of the coil (CO1) is connected ...
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JP7199573B2 |
An electromagnetic coil drive circuit (3) is provided with: a first switching element (41) disposed between a high-potential-side first power line (36) and a low-potential-side second power line (37) with an electromagnetic coil (5) ther...
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JP7196804B2 |
To provide a disconnection part operation device of a solid insulation switchgear for which a mechanical clutch mechanism is made unnecessary.In a disconnection operation, a switchgear is moved to a disconnection position side by rotatio...
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JP2022190500A |
To provide a relay that can render a reduced capacitance of a capacitor externally recognizable, and an electromagnetic switch including the same.A relay includes a capacitor, an output unit that outputs a trip signal to intercept a curr...
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JP7195229B2 |
To provide a controller for performing initial charging on a load.A controller of an embodiment includes a first relay, where a first feedline and a second feedline are provided so as to connect a power supply side terminal with a load s...
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JP7185768B2 |
The disclosure relates to an electromagnetic relay module, comprising a first circuit branch comprising a first capacitor and a first relay connected in series with the first capacitor, a second circuit branch comprising a second capacit...
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JP7185763B2 |
The disclosure relates to an electromagnetic relay that comprises a yoke and an armature. The armature may be swivellably arranged on the yoke, have an open position and a contact position in relation to the yoke, and configured to be at...
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JP7184523B2 |
A circuit arrangement comprises: an electronic switch; at least one relay including a relay coil; a shunt resistor; a voltage supply device to supply an operating voltage to the at least one relay, wherein the electronic switch, the rela...
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JP2022180164A |
To suppress generation of a ripple current while suppressing power consumption of a relay drive device.A relay drive device 20 drives a plurality of relays 70 having switches 72 and coils 74 that drive them. The relay drive device 20 inc...
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JP7182079B2 |
Provided is a circuit assembly including: a main relay that is to be electrically connected between a load and a battery; a pre-charge circuit connected in parallel with the main relay; and a heat transfer member, wherein the pre-charge ...
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JP7180005B2 |
Provided are a relay drive circuit and an air conditioner, wherein the relay drive circuit comprises: a drive control module for outputting a pulse drive signal; a switch module, wherein a controlled end of the switch module is connected...
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JP7176621B2 |
A battery control apparatus includes: an MCU configured to include a first control terminal, a first sensing terminal connected to a first node, a second control terminal, a third control terminal, a second sensing terminal connected to ...
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JP2022171081A |
To provide a technique capable of reducing leakage magnetic flux in electrical equipment without increasing the size of the electrical equipment.Electrical equipment includes a first relay including a first electromagnet, and a second re...
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