CN1216632A - 电感负载控制装置 - Google Patents
电感负载控制装置 Download PDFInfo
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- CN1216632A CN1216632A CN97194039A CN97194039A CN1216632A CN 1216632 A CN1216632 A CN 1216632A CN 97194039 A CN97194039 A CN 97194039A CN 97194039 A CN97194039 A CN 97194039A CN 1216632 A CN1216632 A CN 1216632A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1844—Monitoring or fail-safe circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
- H01H47/325—Energising current supplied by semiconductor device by switching regulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F2007/1888—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings using pulse width modulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
- H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Relay Circuits (AREA)
- Dc-Dc Converters (AREA)
Abstract
感应电荷控制装置,特别是电磁铁线圈的控制装置,包括与线圈串联的电子斩波开关并由脉冲宽度调制器控制,和一个也与线圈串联连接的断路开关,变压器(20)具有两个次级绕组,其中一个次级绕组连接到调制器(11),另一个次级绕组通过由断路信号偏置的开关(25)连接到断路晶体管(T2)的栅断。
Description
本发明涉及电感负载控制装置,特别涉及电磁铁线圈,其与再生二极管(recuperation diod)连接,该装置包括与线圈串联的电子斩波开关(chopperswitch)并由脉冲宽度调制器按照测试线圈电流的器件供给的信号控制。
这种形式的线圈控制装置是已知的。用脉冲宽度调制器控制开关,并允许用高电流,如信号电流对线圈起始供电,以闭合电磁铁的磁路,之后,采用较低的维持电流恰好足以保持磁路闭合。而且,已知脉冲宽度调制器用来自直流电源或主系统的直流电压电路供电。
在这种装置中,有时需要电磁铁的磁路的快速断路;而事实上,在斩波晶体管截止后,通过再生二极管在线圈中连续流动的无负荷运行的电流造成缓慢断路。因此,用已知方法,作为快速断路或快速衰减的公知的第二晶体管与线圈串联或并联连接,并由断路控制电路(例如,参见文献DE,42271657)控制。
本发明的目的是,在相对于线圈引出端电压而浮动的电压上允许在宽的电源电压范围上控制快速断路的晶体管(rapid opening transistor)
按照本发明,脉冲宽度调制器的电源电路是具有两个次级绕组的变压器,两个次级绕组中的一个连接到脉冲宽度调制器,而另一个利用由断路信号控制的断路开关连接到断路晶体管的栅极。断路开关最好是光晶体管,当它断路时会使快速断路晶体管栅极的电容放电。
用包括具有至少一个阈值的直流电源电压比较器的电路控制是有利的,比较器的输出通过具有低电平起始-停止信号输入的逻辑元件连接到信号/保持定时器元件和断路定时器装置。
以下参考附图对本发明的非限定实施例进行说明,以解释如何实施本发明。
图1是按照本发明的用于接触器线圈的控制装置的电路方框图;
图2是图1所示装置的断路晶体管控制的实施例的一个例子;
所示装置用于控制电磁铁接触器线圈B,或,可以控制按转换连接方式组合的两个相互耦合的接触器的线圈。它包括与线圈串联连接的斩波晶体管T1,晶体管T1与低电位点之间例如是0伏,还包括快速断路晶体管T2也与线圈串联。晶体管T2与高电位线之间为V+。再生二极管D并联于串联连接的线圈B和晶体管T2。晶体管T1和T2最好是有关MOS晶体管的绝缘栅晶体管,也可是绝缘栅双极晶体管,已知的IGBT也能使用。按照一种改变的方式,在晶体管与连接到二极管D的点之间的线圈B直接连接到V+线和与线圈串联的晶体管T2。按照另一种改变的方式,晶体管T2和二极管D串联,线圈B与T2和D并联。
斩波晶体管T1连接到作为控制电路10的一部分的脉冲调制器电路11的输出。流入线圈B中的电流的传感器12通过峰值电流检测器13连接到电路11。构成或组装到电路11的元件是通用元件故不需要进行详细说明。晶体管T1和T2是N-沟通MOS晶体管或IGBT。
该装置一方面具有电源和控制端14,它给各电子电路供电,并用没画出的接触器确定接触器的起始和停止,另一方面,它还有指令端15,它能用低电平信号S确定接触器的起始和停止,例如,它可由工业总线或适当的控制器,如可编程逻辑控制器产生。电源和控制端14通过滤波器16连接到整流器17,其输出连接到V+电位,此后,称作直流电位,该直流电位连接到晶体管T2,控制电路10和变压器20。
按照本发明,变压器20有两个次级绕组21和22(见图2)。绕组21和22分别通过导体23和24连接到控制电路10以对其供电,并连接到孤立的控制断路开关25;开关25例如,光晶体管25由控制器10通过导体26进行控制,以使晶体管T2导通或不导通,它使线圈供电或不供电。导体26连接到断路指令电路27,该电路27包括由导体23把电压加到控制电路10的模拟或数字比较器28。逻辑元件29一方面接收比较器28的输出信号、另一方面用端子15把信号S加到电路10;逻辑元件29的输出一方面连接到信号/保持定时器30a该定时器30a连接到调制器11,另一方面连接到断路延迟器30b上,导体26连接到断路延迟器30b上。断路延迟器30b,例如,RC型,允许调节晶体管T2的截止延迟。因而,延迟电磁铁衰减时间。
由图2可见设有光部件25的晶体管T3,当T3截止时,允许晶体管T2的栅电容放电。齐纳二极管Z与T2并联以对T2保护。
控制电路10可以是具有输入31的微控制器以选择组装接触器的线圈的额定值。微控制器也可以是具有输入26和输出26的设备,以控制按转换连接方式相互组成两个接触器的线圈。
该装置的操作说明如下。
假设线圈B开始没有供电,因此,接触器的电磁铁的磁路断开,没画出的开关闭合使磁路闭合,它连接到端子14,于是端子14给T2的漏极、控制电路10和变压器20加直流电压V+。电路10使断路开关25的晶体管导通,因此,断路晶体管T2的栅极编置,引起T2导通,因为T1也导通,线圈B由信号电流供电,之后,当脉冲宽度调制器11开始工作时,保持电流低于信号电流。
组装到端子14上的开关断开使磁路断开。因此,电路的电源电压从其V+电平下降。当它达到比较器28的阈值时,延迟器30把具有预定延迟的信号加到光晶体管25使光晶体管25截止。T2的栅极放电,T2截止。由此电磁铁迅速衰减。通过转换加到端子15的低电平信号S也能得到同样的快速断路操作。
Claims (5)
1.用于对电感负载特别是对电磁铁线圈进行控制的装置,它连接到再生二极管,包括:
一个电子斩波开关,其与线圈串联并由脉冲宽度调制器按照测试线圈电流的装置供给的信号控制;
脉冲宽度调制器,其由直流电压电源电路供电并包括在控制电路中;
快速断路电子开关,其由与线圈串联或与线圈并联的绝缘栅晶体管组成并由控制电路提供的断路信号控制;
其特征是,脉冲宽度调制器(11)的电源供给电路(20)是具有两个次级绕组的变压器,其中一个绕组(21)连接到脉冲宽度调制器,另一绕组(22)利用由断路信号控制的断路开关(25)连接到断路晶体管(T2)栅极。
2.按照权利要求1的装置,其特征是,断路开关(25)是光晶体管。光晶体管的断路导致快速断路晶体管(T2)的栅电容放电。
3.按照权利要求1的装置,其特征是,断路开关(25)是由带有至少一个阈值的直流电源电压的比较器(28)控制的,比较器的输出通过逻辑元件(29)连接到信号/保持定时器(30a)和断路延迟器(30b),该逻辑元件(29)具有用于低电平控制信号(S)的输入。
4.按照权利要求1的装置,其特征是,断路晶体管(T2)可以被并联。
5.按照权利要求1的装置,其特征是,控制电路(10)是微控制器,微控制器具有用于选择接触器线圈的额定值的输入(31),而且,输入和输出是由以转换连接组成的两个接触器的线圈引起的。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR96/05404 | 1996-04-25 | ||
FR9605404A FR2748167B1 (fr) | 1996-04-25 | 1996-04-25 | Dispositif de commande d'une charge inductive |
Publications (1)
Publication Number | Publication Date |
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CN1216632A true CN1216632A (zh) | 1999-05-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97194039A Pending CN1216632A (zh) | 1996-04-25 | 1997-04-24 | 电感负载控制装置 |
Country Status (14)
Country | Link |
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US (1) | US6031708A (zh) |
EP (1) | EP0909451B1 (zh) |
JP (1) | JP2000509201A (zh) |
KR (1) | KR20000010556A (zh) |
CN (1) | CN1216632A (zh) |
AU (1) | AU722585B2 (zh) |
BR (1) | BR9709185A (zh) |
CA (1) | CA2252622A1 (zh) |
CZ (1) | CZ341498A3 (zh) |
DE (1) | DE69702314T2 (zh) |
ES (1) | ES2147447T3 (zh) |
FR (1) | FR2748167B1 (zh) |
PL (1) | PL329524A1 (zh) |
WO (1) | WO1997040509A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101946411A (zh) * | 2008-09-01 | 2011-01-12 | 日立汽车系统株式会社 | 电磁负载电路的故障诊断装置 |
CN102792592A (zh) * | 2010-03-09 | 2012-11-21 | 矢崎总业株式会社 | 用于电磁感应负载的控制装置 |
CN104136758A (zh) * | 2012-01-31 | 2014-11-05 | 法国大陆汽车公司 | 通过脉冲宽度调制来操控电感负载 |
CN104577959A (zh) * | 2013-10-15 | 2015-04-29 | 三菱电机株式会社 | 感应性负载的供电控制装置 |
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FR2770944B1 (fr) * | 1997-11-13 | 1999-12-17 | Schneider Electric Sa | Dispositif de commande pour bobine d'electroaimant |
JP2003045718A (ja) * | 2001-07-27 | 2003-02-14 | Honda Motor Co Ltd | ソレノイド駆動回路 |
US9130602B2 (en) * | 2006-01-18 | 2015-09-08 | Qualcomm Incorporated | Method and apparatus for delivering energy to an electrical or electronic device via a wireless link |
US8447234B2 (en) | 2006-01-18 | 2013-05-21 | Qualcomm Incorporated | Method and system for powering an electronic device via a wireless link |
US9774086B2 (en) * | 2007-03-02 | 2017-09-26 | Qualcomm Incorporated | Wireless power apparatus and methods |
US9124120B2 (en) | 2007-06-11 | 2015-09-01 | Qualcomm Incorporated | Wireless power system and proximity effects |
FR2919421B1 (fr) * | 2007-07-23 | 2018-02-16 | Schneider Electric Industries Sas | Actionneur electromagnetique a au moins deux bobinages |
JP5697979B2 (ja) * | 2007-08-09 | 2015-04-08 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | ワイヤレスに電力供給および充電するためのシステムおよび方法 |
KR20100063756A (ko) * | 2007-09-13 | 2010-06-11 | 퀄컴 인코포레이티드 | 무선 전력 자기 공진기로부터 산출된 전력의 최대화 |
CN101828300A (zh) * | 2007-09-17 | 2010-09-08 | 高通股份有限公司 | 用于无线能量转移的发射器和接收器 |
EP2208279A4 (en) * | 2007-10-11 | 2016-11-30 | Qualcomm Inc | WIRELESS POWER TRANSFER USING MAGNETO-MECHANICAL SYSTEMS |
US8629576B2 (en) * | 2008-03-28 | 2014-01-14 | Qualcomm Incorporated | Tuning and gain control in electro-magnetic power systems |
DE102008023626B4 (de) | 2008-05-15 | 2016-11-10 | Infineon Technologies Ag | Relaissteuerung zur Steuerung eines Erregerstromes eines Relais |
US8773836B2 (en) | 2008-05-15 | 2014-07-08 | Infineon Technologies Ag | Relay controller |
US20090299918A1 (en) * | 2008-05-28 | 2009-12-03 | Nigelpower, Llc | Wireless delivery of power to a mobile powered device |
EP2149890B1 (en) * | 2008-07-31 | 2014-12-24 | ABB Technology AG | A single coil actuator for low and medium voltage applications. |
US8520356B2 (en) | 2009-05-14 | 2013-08-27 | Michael Lenz | Relay controller for defined hold current for a relay |
TWI493832B (zh) * | 2012-06-28 | 2015-07-21 | Optromax Electronics Co Ltd | 負載控制裝置 |
US9601267B2 (en) | 2013-07-03 | 2017-03-21 | Qualcomm Incorporated | Wireless power transmitter with a plurality of magnetic oscillators |
CN105448597B (zh) * | 2014-08-05 | 2018-09-07 | 泰科电子(上海)有限公司 | 一种连接器及接触器组件 |
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EP3220406B1 (en) | 2016-03-14 | 2018-10-03 | ABB S.p.A. | A coil actuator for lv or mv applications |
CN106024521B (zh) * | 2016-07-05 | 2019-02-05 | 广州金升阳科技有限公司 | 一种接触器线圈控制电路 |
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1996
- 1996-04-25 FR FR9605404A patent/FR2748167B1/fr not_active Expired - Fee Related
-
1997
- 1997-04-24 CA CA002252622A patent/CA2252622A1/fr not_active Abandoned
- 1997-04-24 KR KR1019980708407A patent/KR20000010556A/ko not_active Application Discontinuation
- 1997-04-24 AU AU27783/97A patent/AU722585B2/en not_active Ceased
- 1997-04-24 CN CN97194039A patent/CN1216632A/zh active Pending
- 1997-04-24 PL PL97329524A patent/PL329524A1/xx unknown
- 1997-04-24 CZ CZ983414A patent/CZ341498A3/cs unknown
- 1997-04-24 DE DE69702314T patent/DE69702314T2/de not_active Expired - Fee Related
- 1997-04-24 BR BR9709185A patent/BR9709185A/pt unknown
- 1997-04-24 EP EP97921876A patent/EP0909451B1/fr not_active Expired - Lifetime
- 1997-04-24 JP JP9537798A patent/JP2000509201A/ja active Pending
- 1997-04-24 ES ES97921876T patent/ES2147447T3/es not_active Expired - Lifetime
- 1997-04-24 WO PCT/FR1997/000733 patent/WO1997040509A1/fr not_active Application Discontinuation
-
1998
- 1998-12-22 US US09/147,177 patent/US6031708A/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101946411A (zh) * | 2008-09-01 | 2011-01-12 | 日立汽车系统株式会社 | 电磁负载电路的故障诊断装置 |
CN101946411B (zh) * | 2008-09-01 | 2013-10-30 | 日立汽车系统株式会社 | 电磁负载电路的故障诊断装置 |
CN102792592A (zh) * | 2010-03-09 | 2012-11-21 | 矢崎总业株式会社 | 用于电磁感应负载的控制装置 |
CN104136758A (zh) * | 2012-01-31 | 2014-11-05 | 法国大陆汽车公司 | 通过脉冲宽度调制来操控电感负载 |
US10020727B2 (en) | 2012-01-31 | 2018-07-10 | Continental Automotive France | Control of an inductive load by pulse width modulation |
CN104577959A (zh) * | 2013-10-15 | 2015-04-29 | 三菱电机株式会社 | 感应性负载的供电控制装置 |
CN104577959B (zh) * | 2013-10-15 | 2017-04-05 | 三菱电机株式会社 | 感应性负载的供电控制装置 |
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Publication number | Publication date |
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WO1997040509A1 (fr) | 1997-10-30 |
US6031708A (en) | 2000-02-29 |
EP0909451A1 (fr) | 1999-04-21 |
CZ341498A3 (cs) | 1999-02-17 |
AU722585B2 (en) | 2000-08-10 |
CA2252622A1 (fr) | 1997-10-30 |
DE69702314T2 (de) | 2000-12-14 |
KR20000010556A (ko) | 2000-02-15 |
JP2000509201A (ja) | 2000-07-18 |
AU2778397A (en) | 1997-11-12 |
FR2748167A1 (fr) | 1997-10-31 |
DE69702314D1 (de) | 2000-07-20 |
BR9709185A (pt) | 1999-08-10 |
PL329524A1 (en) | 1999-03-29 |
EP0909451B1 (fr) | 2000-06-14 |
FR2748167B1 (fr) | 1998-06-05 |
ES2147447T3 (es) | 2000-09-01 |
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