首页 / 国际专利分类库 / 电学 / 发电、变电或配电 / 紧急保护电路装置 / 使用被保护设备的模拟器,对正常非电工作条件的不希望有的变化响应的紧急保护电路装置,例如利用热成像
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 用于混合动车辆或电动车辆的外部主开关 CN201080054870.7 2010-12-02 CN102648107A 2012-08-22 J·默勒
发明涉及一种车辆,尤其是混合动车辆和/或电动车辆,其具有从车辆外部可操作的、用于电压供给的主开关以及安全装置,该安全装置保护主开关不未经授权地被操作。
22 用于原级导体的次级热传感器 CN201110192833.9 2011-07-07 CN102377160A 2012-03-14 瑞安·詹姆斯·莫菲特; 理查德·艾伦·施图德二世
发明提供了一种断路器,其具有与变流器的次级线圈耦合的热传感器,以对将原级电流输送到断路器的原级导体的温度进行建模,该断路器包括:导电元件,它的至少一个部件与输送次级电流的导电体耦合,次级电流来自断路器中的变流器的次级线圈,导电元件的尺寸设定为使得导电元件的热质量对原级导体的发热速率或冷却速率进行建模,所述导电元件的热质量根据包括原级电流与次级电流之比以及导电材料的热容量的函数来确定;以及半导体元件,其连接于导电元件的至少一个部件,并提供跨越半导体元件的pn结的电压,该电压作为导电元件的温度的函数而变化。本发明的断路器简洁、低成本、易于实现,并能实现对热史的记忆。
23 线热模型的参数估计 CN200780029875.2 2007-07-23 CN101507074A 2009-08-12 马雷克·齐马; 彼得·科尔巴; 艾伯特·利尔布克特; 马茨·拉尔森
线或输电导体10的温度T1、电力线的电气量例如通过电力线的电流/或功率通量P,以及电力线的气象量或环境条件例如速W、风向、湿度、太阳辐射S和环境温度Ta之间的关系以电力线热模型的形式建立。连续地测量前述量或变量的值并对所收集的上述量的值进行评估,以便在电力线运行期间更新热模型的模型参数。在本发明的优选实施例中,通过两个可提供来自电力线两端的同步相量值的相量测量单元(PMU)11、11′来确定代表整个线路的平均温度。根据相量值计算电力线的欧姆电阻,根据欧姆电阻可导出平均线路温度。
24 具有过热保护和低误差I2t计算装置的断路器 CN89100388.6 1989-01-24 CN1022008C 1993-09-01 威廉·约翰·墨菲
一种具有过热保护和低误差I2t计算装置的断路器,其中的过热保护电路包括一个恒流源、一个电阻部件和一个晶体管,它们的性能及参数配合适当,当环境温度达到一预定值时,触发电路动作,使断路器跳闸。一个电容器上的充电电流与被保护的线路导体电流的平方成正比,即该电容器上的充电电压与该导体的发热量成正比,当该电压达到一预定值时,就驱动断路器机构使其跳闸。在电容器充电时,该有源记忆装置不起作用,因而不会引起该电容器的充电电流误差。
25 具有过热保护和低误差I2t计算装置的断路器 CN89100388.6 1989-01-24 CN1035392A 1989-09-06 威廉·约翰·墨菲
一种具有过热保护和低误差I2t计算装置的断路器,其中的热保护电路包括一个恒流源、一个电阻部件和一个晶体管,它们的性能及参数配合适当,当环境温度达到一预定值时,触发电路动作,使断路器跳闸。一个电容器上的充电电流与被保护的线路导体电流的平方成正比,即该电容器上的充电电压与该导体的发热量成正比,当该电压达到一预定值时,就驱动断路器机构使其跳闸。在电容器充电时,该有源记忆装置不起作用,因而不会引起该电容器的充电电流误差。
26 차재용 전동 압축기의 제어 장치 KR1020150154038 2015-11-03 KR1020160055065A 2016-05-17 나지마가즈키
차재용전동압축기의제어장치는차재용전동압축기에배열된전동모터를제어및 구동한다. 제어장치는온도파악부, 전류검출부, 임계전류값설정부, 및모터전류제어부를포함한다. 온도파악부는제어장치의온도를파악한다. 전류검출부는전동모터를통하여흐르는전류인모터전류를검출한다. 임계전류값설정부는온도파악부에의해파악된온도장치의온도에따라임계전류값을설정한다. 모터전류제어부는모터전류가임계전류값이하가되도록전류검출부의검출결과에기초하여모터전류를제어한다.
27 차재용 전동 압축기의 제어 장치 KR1020150154038 2015-11-03 KR101749819B1 2017-06-21 나지마가즈키
차재용전동압축기의제어장치는차재용전동압축기에배열된전동모터를제어및 구동한다. 제어장치는온도파악부, 전류검출부, 임계전류값설정부, 및모터전류제어부를포함한다. 온도파악부는제어장치의온도를파악한다. 전류검출부는전동모터를통하여흐르는전류인모터전류를검출한다. 임계전류값설정부는온도파악부에의해파악된온도장치의온도에따라임계전류값을설정한다. 모터전류제어부는모터전류가임계전류값이하가되도록전류검출부의검출결과에기초하여모터전류를제어한다.
28 과온 보호 장치 및 저에러 I²t 계산기를 구비한 회로 차단기 KR1019890000738 1989-01-25 KR100135422B1 1998-06-15 윌리엄존머피
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29 회전 전기 기계 내 스테이터 및 로터의 온도를 실시간 추정하기 위한 방법 KR1020127011255 2010-08-31 KR1020120083443A 2012-07-25 크래머필리프; 마우렐파스칼
본 발명은 회전 전기 기계(30) 내 스테이터(36) 및 로터(38)의 온도를 실시간으로 추정하기 위한 방법에 관한 것으로서, 상기 스테이터(36) 및/또는 로터(38)는 적어도 하나의 대응하는 전기 전도체 권선(40, 44)을 지지하고, 상기 스테이터 및 로터의 온도(θ s , θ r )는 열저항(R th - sr , R th - exts , R th - extr ), 스테이터(36)의 열용량(C s ), 로터(38)의 열용량(C r )을 이용하여 적어도 하나의 방정식의 해를 구함으로써 상기 방법의 각각의 반복 중 디지털 컴퓨터를 이용하여 추정된다. 상기 방법은, 추정 방법의 각각의 반복 시에, 각각의 요소(36, 38)의 상기 열저항(R th - sr , R th -exts , R th - extr ) 및 열용량(C s , C r )이, 앞선 반복 중 추정된 스테이터(36) 및 로터(38)의 온도에 기초하여 연산된다.
30 온도보상 기능을 갖는 직류 전동기 과전류 검출장치 KR1019950019296 1995-07-03 KR100145614B1 1998-10-01 김용호; 조현민
이 발명은 온도보상 기능을 갖는 직류 전동기 과전류 검출장치에 관한 것으로, 전동기에 흐르는 전류신호를 동작온도에 따라 보상하여, 해당하는 전압신호로 바꾸어 출력하는 신호변환수단과, 상기 신호변환수단으로부터 입력되는 신호를 일정한 기준전압과 비교하여 과전류를 검출한 다음, 그 값을 적분하여 출력하는 신호적분수단과, 상기 신호적분수단으로부터 입력된 신호를 일정한 기준전압과 비교하여, 기준전압보다 클 경우에 과전류가 흐르고 있음을 판단하여 신호를 출력하는 과전류 판단수단으로 이루어져 있으며, 직류 전동기에 흐르는 과전류를 검출하는 데 있어서, 전동기가 동작하는 온도의 여부에 상관없이, 초기 시동에 의한 순간적인 과전류나, 동작 중이라도 발생하는 순간적인 과전류, 그리고 기계적인 마찰력의 증가로 인한 미약� � 과전류의 경우를 실제적인 전동기 구속에 의해 나타나는 과전류와 정확하게 구분함으로써, 기계장치가 구속되어 있을 때에는 초기 강제 동작을 하지 않고, 적은 용량의 커패시터를 사용하여 노이즈 및 순간 과부하에 대해 오동작하지 않고 정확하게 동작하며, 실제의 구속에 의한 큰 과전류에 대하여 빠르게 동작하는 온도보상 기능을 갖는 직류 전동기 과전류 검출장치를 제공하도록 한 것이다.
31 전기열동계전기 및 적절한 열소자 KR1019900000013 1990-01-03 KR1019920003956B1 1992-05-18 질레보랑; 쟈끄베르다; 실비게; 기로데로; 이자벨뤼벵
내용 없음.
32 CONTROL DEVICE AND METHOD FOR OPERATING AN ELECTRICAL MACHINE DRIVEN BY AN INVERTER PCT/EP2012052566 2012-02-15 WO2012139792A3 2013-05-23 HEIDRICH TORSTEN; HIRSCH MICHELE; KRETSCHMER MARKUS; GAAB STEFAN; DJONGA CHRISTIAN; WERNER TOBIAS; HEEB MICHAEL
The invention relates to a method for operating an electrical machine (1) controlled by an inverter (2), wherein the inverter (2) comprises half-bridge branches (10-U, 10-V, 10-W) having power components in the form of controllable power switching elements (3) and power diodes (4) respectively connected in parallel therewith, wherein each of the half-bridge branches (10-U; 10-V; 10-W) is arranged on a separate semiconductor module (11-U; 11-V; 11-W), which are arranged jointly on a baseplate (12), wherein the phase currents (l_U, l_V, l_W) flowing through the half-bridge branches (10-U, 10-V, 10-W), the voltages present at the power components and temperatures (t_Sens_U, t_Sens_V, t_Sens_W) on the semiconductor modules (11-U, 11-V, 11-W) are determined, from the current (l_U; l_V; l_W) respectively flowing at a power component and from the voltage respectively present a power loss (P) is calculated for each of the power components, from the power losses (P) a relevant temperature swing (Deltat; Deltat_Sens) is determined for each of the power components and for temperature sensors (13-U, 13-V, 13-W) serving to determine the temperatures on the semiconductor modules, a temperature (TempCooler) of the baseplate (12) is determined from the determined temperatures (t_Sens_U, t_Sens_V, t_Sens_W) on the semiconductor modules (11-u, 11-V, 11-W) and the determined temperature swings (Deltat_Sens) at the temperature sensors (13-U, 13-V, 13-W), and a torque or a power of the electrical machine (1) is determined in a manner dependent on the determined temperature swings (Deltat) and the determined temperature (TempCooler) of the basplate (12).
33 ENERGY VALIDATION ARRANGEMENT FOR A SELF-POWERED CIRCUIT INTERRUPTER PCT/US9618576 1996-11-14 WO9718611A3 1997-09-25 CARTER MICHAEL BARON; PLEMMONS ROGER ALAN; RODGERS BARRY NOEL; PHILLIPS TIMOTHY BRIAN; HORNE GEORGE MARSHALL
A self-powered circuit interrupter arrangement for interrupting current in a circuit path uses a current-blocking component to ensure that an insufficient amount of accumulated power for actuating interruption of the circuit path is not misused in an unwarranted attempt to interrupt the current path. The arrangement includes a current inducer circuit for providing a current signal having a magnitude corresponding to the current in the circuit path; a power supply operating from the current signal provided by the current inducer and providing a voltage signal of a predetermined value relative to common; a solenoid mechanism having a coil through which current from the power supply passes to cause interruption of the current in the circuit path; a trip command circuit, responsive to a fault in the circuit path and including an overload detector, for sending an electrical signal commanding that the circuit path be interrupted; an electrical latch actuated in response to both the electrical signal from the trip command circuit and the voltage signal exceeding a predetermined value, the electrical latch arranged in series with the coil between the power supply and common and including a first terminal coupled to the trip command circuit and a second terminal coupled to the power supply; and a prevention circuit constructed and arranged to prevent one of the electrical signal from the trip command circuit or the voltage signal from engaging the electrical latch until the voltage signal exceeds the predetermined value. A number of alternative arrangements for overcoming problems with self-powering a circuit interrupter are also described. 00000
34 METHOD FOR THE OVERLOAD OPERATION OF A SEMICONDUCTOR SWITCH OF AN ELECTRIFIED MOTOR VEHICLE AND MEANS FOR IMPLEMENTING SAID METHOD PCT/EP2014050837 2014-01-16 WO2014135294A3 2014-12-31 RICHTER MARTIN; TOBIAS CHRISTOPH; KOLLER OLIVER DIETER
The invention relates to a method (10) for operating a motor vehicle with an electric power supply that has at least one semiconductor switch which is loaded with load events on the basis of at least one load-influencing factor during the operation of the motor vehicle and for which a service life/load relationship (21) is specified, said relationship indicating a nominal service life (22) for a nominal load (23). A nominal load component which corresponds to at least one point in time (24-26) within the nominal service life (22) can be ascertained for the at least one point in time (24-26) using the relationship. For the at least one point in time (24-26), the method (10) has the steps of ascertaining (11-16) an actual load of the at least one semiconductor switch on the basis of a determination of prior load events at the at least one point in time (24-26), ascertaining the nominal load component corresponding to the at least one point in time (24-26) using the specified service life/load relationship (21), comparing (17) the actual load and the nominal load component at the at least one point in time, and reducing the at least one load-influencing factor if the actual load exceeds the nominal load component at the at least one point in time (24-26) by more than a specified tolerance value. The invention likewise relates to means for implementing the method.
35 車載用電動圧縮機の制御装置 JP2014227143 2014-11-07 JP6303986B2 2018-04-04 名嶋 一記
36 給電制御装置 JP2015236933 2015-12-03 JP2017103963A 2017-06-08 澤野 峻一; 杉沢 佑樹; 小田 康太; 眞瀬 佳祐
【課題】スイッチをオフからオンに切替えた直後において突入電流が電線を流れることを許容しつつ、過電流による電線の発煙及び発火を確実に防止することができる給電制御装置を提供する。
【解決手段】制御回路21は、電線12の中途に設けられたスイッチ20をオン又はオフに切替える。これにより、電線12を介した給電が制御される。電流出回路22は、電線12を流れる電流に応じた電流を抵抗回路23に出力する。抵抗回路23では、抵抗R1に、抵抗R2及びキャパシタC1の直列回路が並列に接続されている。制御回路21は、抵抗回路23の両端間の両端電圧値が基準電圧値以上である場合、スイッチ20をオフに切替える。
【選択図】図1
37 電線保護装置 JP2014106260 2014-05-22 JP6128055B2 2017-05-17 長濱 崇裕
38 車両用インバータの保護装置 JP2015546207 2013-11-07 JPWO2015068240A1 2017-03-09 圭一 榎木
インバータの素子を過熱から保護するとともに、ドライバビリティの悪化を防止することができる車両用インバータの保護装置を得る。インバータの各素子温度から最大素子温度を演算する最大素子温度演算部と、最大素子温度に応じた出制限値を算出し、今回の出力制限値が前回の出力制限係数よりも小さければ、今回の出力制限係数に今回の出力制限値を設定し、今回の出力制限値が前回の出力制限係数以上であれば、前回の出力制限係数からあらかじめ定められた所定値を加算して今回の出力制限係数に設定する素子温度出力制限係数演算部を備える。
39 過電流検出回路 JP2015522697 2014-05-27 JPWO2014199816A1 2017-02-23 正志 赤羽
スイッチング素子(Q)に流れる電流に比例した電圧を生成する電流検出抵抗(3)と、この電流検出抵抗(3)を介して検出される電圧と参照電圧生成回路(4)にて生成した参照電圧(Vtmp)とを比較して前記スイッチング素子(Q)に流れる過電流を検出する比較器(5)とを具備する。特に前記参照電圧生成回路(4)は、温度特性の異なる2種類の抵抗(R1、R2)を直列に接続して基準電圧(Vreg)を抵抗分割する第1の抵抗分圧回路(11)と、温度特性の等しい抵抗(R3、R4)を直列に接続して前記基準電圧(Vreg)を抵抗分割する第2の抵抗分圧回路(12)と、これらの第1および第2の抵抗分圧回路(11、12)の各分圧出電圧の差電圧に応じて前記参照電圧(Vtmp)を生成する計装アンプ(13)とを備える。
40 Protection apparatus for current flowing circuit JP2012098895 2012-04-24 JP2013229964A 2013-11-07 NAKAMURA YOSHIHIDE; MARUYAMA AKINORI; IKUTA YOSHINORI; UEDA KEISUKE
PROBLEM TO BE SOLVED: To provide a protection apparatus for a current flowing circuit capable of appropriately switching a control circuit for controlling driving and stopping of a load into a sleep mode.SOLUTION: A protection apparatus comprises: a semiconductor relay circuit 11 for switching conduction to/from interruption of a current flowing circuit; a control circuit 12 for outputting a switching command signal to the semiconductor relay circuit 11 in response to an input signal; and a current sensor for detecting current flowing through the current flowing circuit. The control circuit 12 comprises: a sleep timer control section 22 for measuring lapse time after off when the semiconductor relay circuit 11 determines that the load RL is in an off-state; and a sleep control section 23 for switching the control circuit 12 into the sleep mode when determined that a predetermined time lapses at the sleep timer.
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