| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | Relay drive circuit | US11638365 | 2006-12-14 | US20070146959A1 | 2007-06-28 | Manabu Morita |
| A potential of an end of the coil is inputted to a plate-OFF detecting portion which detects OFF-tendency in which a plate of a relay is about to get apart from a head of a core of the relay. When the OFF-tendency is detected, a coil current for supplying a coil of the relay is set to a first current value with which a plate of an electromagnetic relay is drawn and a movable contact of the relay comes in contact with a fixed contact of the relay. When an external disturbance ends, the coil current is returned to a second current value, which is smaller than the first current value, so that the movable contact and the fixed contact are kept in contact with each other. | ||||||
| 22 | ELECTRICAL ASSEMBLY | US16271045 | 2019-02-08 | US20190242156A1 | 2019-08-08 | Cristian Gheorghe SCHLEZINGER |
| There is provided an electrical assembly comprising of a latching device including a latching member configured to be positionable in a first position and a second position, the latching device further including an actuator configured to selectively move the latching member between the first and second positions and an operating state detection unit configured to detect an abnormal operating state of the latching device; and a controller configured to selectively drive the actuator to move the latching member to a selected one of the first and second positions in response to the detection of the abnormal operating state. | ||||||
| 23 | Self-learning relay turn-off control system and method | US14835917 | 2015-08-26 | US09754744B2 | 2017-09-05 | Lili Wan; Daxing Hu |
| An exemplary embodiment is disclosed of a relay turn-off control system for use with an alternating-current (AC) signal input. The system may include a relay, a relay current load sensor connected to the relay, and a rectifier circuit connected to the relay current load sensor and having an output. A microprocessor may be connected to the rectifier circuit output. The microprocessor may be configured to set a relay turn-off signal output time based on an empirically determined duration time for the relay to turn-off and further based on determining a zero-cross period via use of a modulo operation. | ||||||
| 24 | ARC ENERGY REDUCTION METHOD AND APPARATUS FOR MULTI-PHASE SWITCHING DEVICES | US14976098 | 2015-12-21 | US20170178847A1 | 2017-06-22 | Kevin M. Jefferies; Benjamin W. Edwards; Matthew L. White; Alan Freeman; Richard Karl Weiler |
| A three phase switching device and method for reducing arc energy and contact erosion during the opening and closing of electrical contacts, the device having one electromagnet and one armature. The device and method permits the closing of all three phases at calculated target points immediately prior to their current zero crossing by controlling the velocity at which the armature travels during the opening and closing process. | ||||||
| 25 | Relay controller | US12994970 | 2009-05-29 | US08680717B2 | 2014-03-25 | Mitsuaki Morimoto; Eiichiro Oishi |
| Provided is a relay controller which can shorten the time from turning off a switching element until turning off a relay compared with what is conventionally possible. The relay controller comprises a relay switch in which a contact point connects a power supply to a load, and a coil is connected to the power supply; a first switching element which is connected in series to the coil; a regenerative current circuit which is connected in parallel to the coil and includes a second switching element and a diode which is connected in series to the second switching element; a first switching element control unit which turns on the relay switch by PWM control of the first switching element and turns off the relay switch by stopping the PWM control of the first switching element, and a second switching element control unit which turns on the second switching element when the first switching element is PWM-controlled and turns off the second switching element when the PWM control of the first switching element is stopped. | ||||||
| 26 | DRIVER CIRCUIT FOR AN ELECTRIC VEHICLE AND A DIAGNOSTIC METHOD FOR DETERMINING WHEN A FIRST VOLTAGE DRIVER IS SHORTED TO A HIGH VOLTAGE AND A SECOND VOLTAGE DRIVER HAS A LOW ELECTRICAL CURRENT FLOWING THERETHROUGH | US13537236 | 2012-06-29 | US20140001832A1 | 2014-01-02 | Craig William Grupido |
| A driver circuit and a diagnostic method are provided. The driver circuit includes a first voltage driver, a second voltage driver, and a microprocessor. The microprocessor generates a first pulse width modulated signal to induce the first voltage driver to output a second pulse width modulated signal to energize a contactor coil. The microprocessor sets a first diagnostic flag equal to a first value if a first filtered voltage value is greater than a first threshold value. The microprocessor sets a second diagnostic flag equal to a second value if a first filtered current value is less than a threshold value. The microprocessor stops generating the first pulse width modulated signal to de-energize the contactor coil if the first and second diagnostic flags are set equal to the first and second values, respectively. | ||||||
| 27 | Method for Predicting the Usability of a Relay or a Contactor | US13877800 | 2011-09-01 | US20130278269A1 | 2013-10-24 | Armin Steck; Ralf Piscol |
| A method for predicting the usability of a relay or a contactor is described herein. A current flowing through the relay or the contactor and/or a voltage applied to the relay or the contactor is measured repeatedly, and the measured values are transmitted to an observation unit. The observation unit makes a prediction relating to the usability of the relay or of the contactor on the basis of the measured values and a model. Furthermore described are an observation unit and a battery which are configured to carry out the method according to the disclosure. | ||||||
| 28 | Automatically configuring vacuum contactor | US11844879 | 2007-08-24 | US07593211B2 | 2009-09-22 | David Scott S. Maclennan; Reginald Albert A. Drake |
| A controller for a vacuum contactor or the like measures barometric pressure and provides a short impedance characterizing pulse to the coils of the vacuum contactor coils to assess proper operating conditions of the coils and to check for coil or sensor faults. | ||||||
| 29 | AUTOMATICALLY CONFIGURING VACUUM CONTACTOR | US11844879 | 2007-08-24 | US20090052107A1 | 2009-02-26 | David Scott S. Maclennan |
| A controller for a vacuum contactor or the like measures barometric pressure and provides a short impedance characterizing pulse to the coils of the vacuum contactor coils to assess proper operating conditions of the coils and to check for coil or sensor faults. | ||||||
| 30 | MEASUREMENT OF ANALOG COIL VOLTAGE AND COIL CURRENT | US11617048 | 2006-12-28 | US20080156791A1 | 2008-07-03 | Dale Finney; Adil Jaffer; Zhihong Mao; William Premerlani; Mark Adamiak |
| The measurement of analog coil voltage and coil current during the energizing of the circuit breaker coil that is connected to the output contact of a protective circuit breaker relay in order to detect an incipient failure of the circuit breaker mechanism | ||||||
| 31 | Relay drive circuit | US11638365 | 2006-12-14 | US07359175B2 | 2008-04-15 | Manabu Morita |
| A potential of an end of the coil is inputted to a plate-OFF detecting portion which detects OFF-tendency in which a plate of a relay is about to get apart from a head of a core of the relay. When the OFF-tendency is detected, a coil current for supplying a coil of the relay is set to a first current value with which a plate of an electromagnetic relay is drawn and a movable contact of the relay comes in contact with a fixed contact of the relay. When an external disturbance ends, the coil current is returned to a second current value, which is smaller than the first current value, so that the movable contact and the fixed contact are kept in contact with each other. | ||||||
| 32 | Electronic interlock for electromagnetic contactor | US023012 | 1993-02-25 | US5539608A | 1996-07-23 | Rick A. Hurley; Mark E. Innes; Parker A. Bollinger, Jr. |
| An electrical contactor has first and second contacts movably mounted to engage for achieving continuity in an electrical circuit, via an electromagnet and armature defining a magnetic circuit with an air gap that closes in a first position of the contactor and opens in a second position of the contactor. A controller switches an alternating current voltage to the coil of the electromagnet during a timed portion of each AC half cycle, and senses the current level in the coil in a feedback loop. The controller adjusts the voltage-on time to achieve a predetermined average current as needed for accelerating the armature or coasting during a closing operation, for holding the armature in place when closed, etc. In order to sense whether the contactor is presently open or closed, the controller monitors and stores the phase angle between the previous voltage zero crossing and the time of voltage turn-on. When the inductance of the magnetic circuit including the electromagnet and armature changes rapidly due to opening or closing of the air gap between them, the controller detects a corresponding variation in the phase angle. The controller is preferably a microprocessor, programmed to normalize the phase angle over a range of coil drive voltages. The microprocessors of a number of such contactors can communicate in order to effect coordinated operations. | ||||||
| 33 | 継電器又は接触器の動作能力を予測する方法 | JP2013532097 | 2011-09-01 | JP5654687B2 | 2015-01-14 | ステック、アルミン; ピスコル、ラルフ |
| 34 | Relay control device | JP2008143293 | 2008-05-30 | JP5162335B2 | 2013-03-13 | 充晃 森本; 英一郎 大石 |
| 35 | Relay control device | JP2008143293 | 2008-05-30 | JP2009289689A | 2009-12-10 | MORIMOTO MITSUAKI; OISHI EIICHIRO |
| PROBLEM TO BE SOLVED: To provide a relay control device can shorten the time from switching off a switch element to switching off a relay more than a conventional one. SOLUTION: In the relay control device 1, a second switch element 9 is switched off at the time of stopping a PWM control to a first switch element 7. COPYRIGHT: (C)2010,JPO&INPIT | ||||||
| 36 | Relay driving circuit | JP2006260573 | 2006-09-26 | JP2007200859A | 2007-08-09 | MORITA MANABU |
| <P>PROBLEM TO BE SOLVED: To provide a relay driving circuit capable of restraining an electromagnetic relay from being switched off by an external disturbance, and reducing power consumption. <P>SOLUTION: A potential on the low end side of a coil 4a is inputted to a plate-OFF detecting portion 16, and OFF-tendency in which a plate is about to get apart from the head of a core is detected based on the change of this potential. When the OFF-tendency is detected, the coil is fully energized to momentarily change a current Ir passed to the coil 4a to the maximum value, and when the external disturbance ends, the coil current is again returned to a holding current. Thereby, the electromagnetic relay 4 can be prevented from being accidentally switched off by a sudden external disturbance without continuing to pass a holding current having a magnitude taking into consideration the external disturbance. Accordingly, the electromagnetic relay 4 is restrained from being switched off by the external disturbance, and the relay driving circuit 1 capable of reducing power consumption can be obtained. <P>COPYRIGHT: (C)2007,JPO&INPIT | ||||||
| 37 | Electronic interlock device for electromagnetic contactor | JP5323494 | 1994-02-24 | JPH076678A | 1995-01-10 | RITSUKU ARAN HAAREI; MAAKU EDOMONDO AINESU; PAAKAA EI BORINGAA JIYUNIA |
| PURPOSE: To sense an open or closed state of an electromagnetic contact by monitoring inductance of a magnetic circuit changing according to a clearance between an armature and a coil forming an electromagnetic circuit. CONSTITUTION: A controller 62 makes an armature 24 accelerate or coast when a contact is closed, and also adjusts a voltage applying time to a coil 23 so that a fixed current to hold the armature 24 in the position when a contact is closed can be required. To sense whether a contactor is at an open position or a closed position, the controller 62 monitors and memorizes a phase angle between a previous voltage zero crossing point 80 and a voltage applying start point. When inductance of a magnet circuit is suddenly changed due to opening or closing a clearance between the armature 24 and a coil, the controller 62 detects corresponding movement of the phase angle to compare the stored data. | ||||||
| 38 | 전기 차량을 위한 구동 회로 및 제1 전압 구동부가 고 전압으로 단락되고 제2 전압 구동부에 저 전류가 흐를 때를 결정하기 위한 진단 방법 | KR1020137025695 | 2013-06-27 | KR101473388B1 | 2014-12-16 | 그루피도,크레이그윌리엄 |
| 본발명은구동회로및 진단방법을개시한다. 상기구동회로는제1 전압구동부, 제2 전압구동부및 마이크로프로세서를포함한다. 상기마이크로프로세서는커넥터코일을활성화시키는제2 펄스폭이변조된신호를출력하기위해상기제1 전압구동부를유도하는제1 펄스폭이변조된신호를출력한다. 제1 필터된전압값이제1 임계값보다큰 경우, 상기마이크로프로세서는제1 진단플래그를제1 값으로설정한다. 제2 필터된전류값이제2 임계값보다큰 경우, 상기마이크로프로세서는제2 진단플래그를제2 값으로설정한다. 상기제1 및제2 진단플래그가각각제1 값및 제2 값으로설정된경우, 상기마이크로프로세서는상기커넥터코일을비활성화시키도록상기제1 펄스폭이변조된신호의출력을중단한다. | ||||||
| 39 | 전기 차량을 위한 구동 회로 및 제1 전압 구동부가 고 전압으로 단락되고 제2 전압 구동부에 저 전류가 흐를 때를 결정하기 위한 진단 방법 | KR1020137025695 | 2013-06-27 | KR1020140039172A | 2014-04-01 | 그루피도,크레이그윌리엄 |
| The present invention discloses a driver circuit and a diagnostic method. The driver circuit includes a first voltage driver, a second voltage driver, and a microprocessor. The microprocessor generates a first pulse-width modulated signal inducing the first voltage driver to output a second pulse-width modulated signal energizing a contactor coil. The microprocessor sets a first diagnostic flag equal to a first value if a first filtered voltage value is greater than a first threshold value. The microprocessor sets a second diagnostic flag equal to a second value if a second filtered current value is greater than a second threshold value. The microprocessor stops generating the first pulse-width modulated signal to de-energize the contactor coil if the first and second diagnostic flags are set equal to the first and second values, respectively. [Reference numerals] (117) Vehicle control unit; (170) Microprocessor; (90) Inverter; (91) Electric motor | ||||||
| 40 | SPULENANORDNUNG SOWIE DAMIT GEBILDETER ELEKTROMECHANISCHER SCHALTER BZW. MEßUMFORMER | EP15724320.5 | 2015-05-27 | EP3155628A1 | 2017-04-19 | BRUNNER, Adrian; BRUDERMANN, Matthias; WERLE, Christoph |
| The invention relates to a coil arrangement comprising an electric coil (10) and an armature (20) that can be moved between a first end position (I) and a second end position (II), an electronic switch (30) that can be switched between at least two switching states, a control and monitoring circuit (40) for generating a switching signal (ctrl) actuating the electronic switch (30), and an operating circuit (50) for providing an operating voltage (UN), and a current measuring signal (IM) representing a time curve of an electric current flowing in a coil circuit formed by means of the coil. The control and monitoring circuit (40) is further configured to carry out an inspection of the coil (10) using the current measuring signal (IM), namely, to determine whether an inductance L of the coil (10) shows a dependence on a time curve of the switching signal (ctrl), or a time curve that is corresponding to the time curve of the switching signal, for example. The electro-mechanical switch (100), in turn, comprises a first switching contact (101) that can be moved between a first switching position (i) and a second switching position (ii), a second switching contact (102), and a coil arrangement according to the invention for actuating the switching contact (101), whereas apart from such an electro-mechanical switch (100), the measurement transducer (Tr) also comprises a measurement circuit for receiving at least one pickup signal (s1) that is dependent upon a physical or chemical measurement variable, and/or represents a time curve of said measurement variable (x). | ||||||
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