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WO/2021/014619A1 |
This slow-release relay circuit (10) comprises a power storage circuit (20) that is connected in parallel with a relay (RY1) comprising a coil, a discharge circuit (30) that discharges the charge of the power storage circuit (20), and a ...
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WO/2021/008790A1 |
The invention relates to a device that is provided with an individual emergency switch-off function and comprises an energy source for providing electric energy, a load which can be supplied with energy via the energy source, a first swi...
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WO/2021/003148A1 |
In some embodiments, a controller is configured to be operably coupled to a series of safety relays. Each safety relay is coupled to a machine from a plurality of machines. The controller is configured to receive a signal indicative of a...
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WO/2020/254198A1 |
A switch disconnector with current detection is provided. The disconnector comprises a switch, the switch comprising: a first, fixed, contact terminal of a first conductor, a second, fixed, contact terminal of a second conductor, and a m...
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WO/2020/252561A1 |
The present disclosure provides a cascode switching element comprising two or more electronic switching devices connected in series. The devices having an input terminal, an output terminal, and a control terminal that operates between a...
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WO/2020/248357A1 |
Provided in the present invention is a system for opening and closing a drive contactor in a power supply circuit, comprising a mains input end, a master control gateway, a contactor, an electrical appliance, and a switch, the master con...
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WO/2020/239471A1 |
The invention relates to a method (200) for predicting the failure of an elementary relay (100) having a switch (101) for switching a load contact (102) of a load circuit (103) and an excitation coil (104) for actuating (105) the switch ...
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WO/2020/230547A1 |
This drive control device for a solenoid saves energy and reduces thermal risk due to temperature rise. The drive control device 100 is configured for drive control of a solenoid which has a solenoid main body 22A that attracts a movab...
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WO/2020/229128A1 |
The invention relates to a switch assembly comprising a switch (17) and a drive system for the switch (17), said drive system (2) containing: - a motor (12) for driving the switch (17); - a controller (1) with a power section (11) for su...
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WO/2020/216825A1 |
A protected switch (1) comprises first (10) and second (11) electromechanical relays with guided contacts, each including an electromagnet (101, 111) and electrical contacts (102, 103, 104, 105, 112, 113, 114). A first contact (105) of t...
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WO/2020/218091A1 |
Provided is a circuit structure 10, which includes: a main relay 14 electrically connected between a load 16 and a battery; a precharge circuit 30 connected in parallel with the main relay 14; and a heat transfer member 44. The precharge...
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WO/2020/208074A1 |
The present invention relates to a method for closing the contacts of an electrical switching device during a switch-on process, the electrical switching device having an electromechanical drive with a coil and with an armature, which ca...
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WO/2020/194328A1 |
The present subject matter provides an auto diagnostic security alarm system in a saddle type vehicle (100). The present subject matter specifically provides a system which prevent an unauthorized user access of the vehicle. It further p...
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WO/2020/196465A1 |
This protection system includes a first positive potential terminal, a second positive potential terminal, a first relay which is opened or closed by a first contacting portion and a second contacting portion coming into contact with or ...
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WO/2020/182115A1 |
A relay device and a drive circuit therefor, wherein the drive circuit comprises a relay switch circuit (10) and a temperature feedback circuit (20). The relay switch circuit has a relay drive circuit, and the temperature feedback circui...
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WO/2020/172924A1 |
A control method and a control device (100). The control device (100) is connected to an external load (200), and comprises: a power module (120); a microcontroller unit (110) for receiving an input command, a power control output termin...
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WO/2020/166435A1 |
This driving circuit (101), which drives an inductive load (41) having a coil (41a), comprises: a first switch (SW1) that switches an electrification state between a power source (Vcc) and a first end among the first end and a second end...
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WO/2020/165763A1 |
The present invention relates to a power supply and control circuit (20) of a coil or of a solenoid that can receive in input alternating or direct current with variable voltage and possibly also frequency, said circuit comprising a mult...
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WO/2020/158577A1 |
A relay device 1 is provided with a coil section 10, a fixed contact 21, a spring 31, a movable contact 33, and a drive circuit 50. The drive circuit 50 performs control such that when the fixed contact 21 and the movable contact 33, whi...
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WO/2020/158576A1 |
This relay device 1 comprises a coil section 10, a fixed contact 21, a moving contact 33, and a spring 31. The coil section 10 generates an electromagnetic force that moves the moving contact 33 toward the fixed contact 21 by energizatio...
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WO/2020/151178A1 |
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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WO/2020/137260A1 |
This relay state prediction device (10) comprises: a voltage value acquisition part (22) that, moment by moment, measures a detected voltage that has been detected from the ends of a shunt resistor; a voltage value difference calculation...
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WO/2020/130859A1 |
Intrinsically-safe electronic safety relay consists of an electronic relay (EP) connected through galvanic signals isolation system (UIGS) with two microcontrollers (MK1) and (MK2), which are connected with at least one serial communicat...
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WO/2020/129518A1 |
The relay state determination device (10) according to the present invention is provided with: a voltage value acquisition unit (22) that momently measures detected voltage detected from both ends of a shunt resistor (9); a voltage value...
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WO/2020/121768A1 |
Provided is a relay state determination device which is capable of determining, with good precision, whether a relay has deteriorated. The relay state determination device (10) comprises a voltage value acquisition unit (22), a contact p...
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WO/2020/114247A1 |
Disclosed in the present invention is a control circuit for a contactor, comprising a voltage detection circuit and a duty cycle control circuit. The voltage detection circuit first reduces a bus voltage to an appropriate range by means ...
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WO/2020/098799A1 |
A relay holding circuit and a battery management system. The relay holding circuit comprises a high voltage isolated power supply (101), a power supply driving module (102), and a microprocessor of a battery management system. The high v...
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WO/2020/099100A1 |
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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WO/2020/090923A1 |
A semiconductor device including a battery-side first terminal, an inverter circuit-side second terminal, and a transistor. The semiconductor device is configured so as to permit the supply of current from the first terminal to the secon...
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WO/2020/079998A1 |
Provided is an electromagnetic switching control device in which a control unit is able to predict a near-future value of an operation coil current and perform control so that the current does not fall short of a holding current threshol...
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WO/2020/070516A1 |
A proximity sensor assembly (10). The assembly (10) comprises an electronic circuit (12). The electronic circuit (12) comprises a first terminal (14) and a second terminal (16). Respective first and second pathways (18, 20) are provided ...
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WO/2020/070234A1 |
The invention relates to a method for testing a disconnection point (12) of a photovoltaic inverter (1) and to a photovoltaic inverter (1) of this type. According to the invention, in a testing mode, an auxiliary voltage (U_Lx) is applie...
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WO/2020/063871A1 |
Disclosed are a driving circuit, method and apparatus for a relay, a storage medium and an electronic apparatus. The driving circuit comprises a first voltage control circuit (11), and an output end of the first voltage control circuit (...
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WO/2020/061689A1 |
Disclosed is a system for remotely controlling a starter of a vehicle. The system comprises a wireless-enabled reporting device having a radiofrequency transceiver for communicating with a remote computing device executing an application...
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WO/2020/053764A1 |
A circuit for controlling an input current, the circuit includes a first input port configured to receive the input current. A current detector detects an input current value of the input current and generates a control signal indicative...
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WO/2020/052947A1 |
The invention relates to an electromagnetic relay module (100) comprising a first circuit branch (119) having a first capacitor (115) and a first relay (103) connected in series with the first capacitor (115), a second circuit branch (12...
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WO/2020/052945A1 |
The invention relates to an electromagnetic relay (100), wherein the relay (100) comprises a yoke (601) and an armature (602) which is swivellably arranged on the yoke (601) and having has an open position and a contact position in relat...
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WO/2020/042473A1 |
Disclosed in the present application are a driver circuit, a switch control circuit, and a cooking appliance. The driver circuit comprises a driving signal input end, a high voltage end, a low voltage end, and at least two switch branche...
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WO/2020/043515A1 |
The invention relates to a switching device (100) comprising at least one stationary contact (2, 3), a movable contact (4), an armature (5), a permanent magnet (17), and a solenoid-operated switch (19), wherein the movable contact can be...
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WO/2020/036900A1 |
A solenoid control circuit (100) makes measurements during operation to determine the state of a solenoid (L1) and provides for rapid re-energization of a solenoid (L1) upon detection of a dropout condition. A method of controlling the s...
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WO/2020/035171A1 |
x A hybrid relay (1) comprises an electromechanical part (10) with a movable contact (103), a solid state relay (11) and a control unit (2) for applying a drive signal (S',S") to the drivable coil (101) of the electromechanical part. A m...
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WO/2020/034665A1 |
A coil control circuit of a contactor, comprising a freewheeling control circuit and a coil driving circuit. The coil driving circuit comprises an MOS transistor T1 and a PWM generator U3 for driving the MOS transistor T1. The drain of t...
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WO/2020/020555A1 |
A method (800) for controlling a relay (1) is described, wherein the relay (1) comprises a movable anchor (3) and a coil (2) which is configured to exert a force onto the anchor (3) subject to a coil current (200) at a control port (4), ...
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WO/2020/008019A1 |
The invention relates to appliance circuit breakers having intelligent limit-value determination. In a training phase, the appliance circuit breaker is adjusted for a certain appliance and for the load behavior thereof. In a subsequent m...
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WO/2020/001054A1 |
The present invention relates to the technical field of power supply and discloses a power supply circuit control module, comprising a circuit breaker, a filter and an alternating current contactor connected in sequence, and further comp...
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WO/2019/234211A1 |
The invention relates to a circuit breaker (1) with a monitoring device (Ü) having an electronic switch (S1) and a mechanical changeover switch (S2), wherein the mechanical changeover switch (S2) has a first connection (NC), a second co...
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WO/2019/202030A1 |
The invention relates to a battery management system (1), in particular for a rail vehicle, which comprises an system battery (12), a bus bar arrangement (14), a battery protection switch (10) for the controllable connection of the syste...
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WO/2019/196523A1 |
An auxiliary power supply circuit and a contactor applying same. The auxiliary power supply circuit comprises a contactor coil, a transformer, a fly-wheel diode on the primary side of the transformer, and a switching circuit on the secon...
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WO/2019/182688A1 |
An industrial process field device (100) includes an active component (111), a latching relay (120), a controller (110), a relay drive (122), and a reset circuit (140). The active component may be a sensor configured to sense a process p...
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WO/2019/181531A1 |
This relay circuit (10A) is provided with: a relay (11) having a coil (11A) and a contact portion (11B) for turning on/off the supply of power to a load (LD) operating by receiving the supply of power from a DC power supply (B) by the en...
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