EP4394835A1 - Procédé de commande d'économie d'énergie pour contacteur - Google Patents

Procédé de commande d'économie d'énergie pour contacteur Download PDF

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Publication number
EP4394835A1
EP4394835A1 EP22877801.5A EP22877801A EP4394835A1 EP 4394835 A1 EP4394835 A1 EP 4394835A1 EP 22877801 A EP22877801 A EP 22877801A EP 4394835 A1 EP4394835 A1 EP 4394835A1
Authority
EP
European Patent Office
Prior art keywords
contactor
coil
full
energy
diode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22877801.5A
Other languages
German (de)
English (en)
Other versions
EP4394835A4 (fr
Inventor
Leping NING
Yong Jiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Quanning Electrical Appliance Co Ltd
Original Assignee
Nanjing Quanning Electrical Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Quanning Electrical Appliance Co Ltd filed Critical Nanjing Quanning Electrical Appliance Co Ltd
Publication of EP4394835A1 publication Critical patent/EP4394835A1/fr
Publication of EP4394835A4 publication Critical patent/EP4394835A4/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • 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
    • 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
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator
    • 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
    • H01H47/226—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 for bistable relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • 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
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/18—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for introducing delay in the operation of the relay

Definitions

  • the energy-saving control method further includes an energy-saving control circuit.
  • the energy-saving control circuit includes a full-bridge driver chip U1 for controlling the function of the contactor KM, the energy storage circuit connected to the control power supply, a voltage-stabilizing circuit connected to the energy storage circuit and configured to send an input voltage to the full-bridge driver chip U1 after voltage stabilization, a voltage signal detection and regulation circuit, a three-stage inverter connected to the voltage signal detection and regulation circuit, a pull-in delay regulation circuit for generating a pull-in voltage and a contactor KM connecting delay, and a release delay regulation circuit for controlling a release voltage and a contactor KM disconnecting delay.
  • the pull-in delay regulation circuit and the release delay regulation circuit are both connected to the three-stage inverter.
  • An input terminal of the inverter U2B is connected to an output terminal of the inverter U2A, and an input terminal of the inverter U2A is connected to a positive electrode of the control power supply through a resistor R4 and a resistor R5, and both terminals of the resistor R5 are connected in parallel with a capacitor C3 and a Zener diode DW1.
  • the energy storage circuit includes an energy storage capacitor C1 for storing electric energy, the energy storage capacitor C1 is connected to the control power supply through a buffer resistor R8, and the control power supply is used to charge the energy storage capacitor C1.
  • Step of disconnecting the contactor is as follows: when the control power supply is turned off, the energy storage circuit discharges to provide released electric energy to the coil 4 of the contactor KM.
  • the released electric energy outputs a pulse with opposite polarity to a pull-in voltage of the coil 4 of the contactor KM via a full-bridge drive control circuit, the full-bridge driver U1, after the full-bridge driver chip U1 receives a power-off signal of a voltage signal detection and regulation circuit, an input voltage of the energy storage circuit is sent into the coil 4 after polarity switching.
  • the full-bridge driver chip U1 outputs a reverse pulse voltage signal, and the coil 4 of the contactor KM generates a magnetic force in a direction opposite to that of an existing magnetic force to disconnect the main loop contact 1 of the contactor KM.
  • the direction of the magnetic force of the magnetic field is reversed, and the action mechanism 2 of the contactor KM acts towards a direction opposite to the direction when pulling in, making the main loop contact 1 of the contactor KM disconnected.
  • the main circuit contact 1 of the contactor KM is kept in a disconnected state under the action of a release permanent magnet 3.
  • the energy-saving control method further includes an energy-saving control circuit.
  • the energy-saving control circuit includes a full-bridge driver chip U1 for controlling the function of the contactor KM, the energy storage circuit connected to the control power supply, a voltage-stabilizing circuit connected to the energy storage circuit and configured to send an input voltage to the full-bridge driver chip U1 after voltage stabilization, a voltage signal detection and regulation circuit connected to the control power supply and configured for the detection and regulation and filtering overvoltage protection of an input voltage signal, a three-stage inverter connected to the voltage signal detection and regulation circuit, a pull-in delay regulation circuit for generating a pull-in voltage and a contactor KM connecting delay, and a release delay regulation circuit 6 for controlling a release voltage and a contactor KM disconnecting delay.
  • the pull-in delay regulation circuit and the release delay regulation circuit 6 are both connected to the three-stage inverter.
  • the three-stage inverter includes an inverter U2A, an inverter U2B, and an inverter U2C connected in series.
  • the energy storage capacitor C1 is charged by the energy storage circuit, and meanwhile, the coil 4 of the contactor KM generates an attractive magnetic force after receiving a pulse voltage signal, making the action mechanism 2 of the contactor KM connected under the combined action of the attractive magnetic force generated by the coil 4 of the contactor KM and the attractive magnetic force of the pull-in permanent magnet 5, and a signal is sent to the full-bridge driver chip U1 through the pull-in delay regulation circuit.
  • the full-bridge driver chip U1 after receiving the signal, controls to turn off a voltage of the coil 4 of the contactor KM, the coil 4 of the contactor KM loses power, and the main loop contact 1 of the contactor KM is kept in a connected state under the action of the pull-in permanent magnet 5.
  • step of disconnecting the contactor when the control power supply is turned off, after the full-bridge driver chip U1 receives a power-off signal of the voltage signal detection and regulation circuit, an electric energy voltage of the energy storage capacitor C1 in the energy storage circuit is sent into the coil 4 of the contactor KM after polarity switching, the coil (4) of the contactor KM generates a magnetic force in an opposite direction of an existing magnetic force, i.e., a reverse magnetic force, which makes the contact KM break away from the attractive magnetic force of the pull-in permanent magnet 5 to be disconnected.
  • the action mechanism 2 of the contactor KM is attached to the release permanent magnet 3, the main loop contact 1 of the contactor KM is disconnected, and then a signal is sent by the release delay regulation circuit 6 to the full-bridge driver chip U1 to make the coil 4 of the contactor KM lose power, and the main loop contact 1 of the contactor KM is kept in a disconnected state under the action of the release permanent magnet 3.
  • the positive electrode of the control power supply is further connected to a diode D1, the diode D1 is further connected to a VBB pin of the full-bridge driver chip U1 to provide a working voltage for the coil 4 of the contactor KM.
  • the diode D1 When the control power supply is turned off, the diode D1 is reversely cut off, and the output terminal of the inverter U2C outputs a high electrical level signal to the full-bridge driver chip U1, and the full-bridge driving chip U1 outputs a voltage after polarity switching.
  • the control power supply is powered on, a positive electrode voltage provides a power supply voltage for the VBB pin of the full-bridge driver chip U1 via the diode D1, i.e., the working voltage of the coil 4 of the contactor KM, and meanwhile, the energy storage capacitor C1 is charged through the buffer resistor R8.
  • a voltage with a regulated voltage of 5V formed through voltage division by the resistor R1 and the Zener diode DW2 is connected to an analog voltage input Vref pin of U1.
  • the positive electrode of the control power supply is connected to an input terminal of the inverter U2A of the three-stage inverter formed by the inverter U2A, the inverter U2B, and the inverter U2C connected in series after being connected to the resistor R4 and the resistor R5 for voltage division.
  • the output terminal of the inverter U2B acquires an electrical level signal synchronous with the input, and the output terminal of the U2C acquires an electrical level signal having a phase opposite to that of the input terminal of the inverter U2A, is connected to the IN1 pin of the full-bridge driver chip U1, and is connected to the IN2 pin of the full-bridge driver chip U1 through the resistor R6.
  • a truth table of the full-bridge driver chip U1 is shown in Table 1.
  • Table 1 Truth table IN1 IN2 OUT1 OUT2 Function 0 1 L H Pull-in 1 0 H L Release 0 0 Z Z Hold
  • the OUT1 pin of the full-bridge driver chip U1 outputs a power supply voltage with positive polarity
  • the OUT2 pin of the full-bridge driving chip U1 outputs a power supply voltage with negative polarity.
  • the coil 4 of the contactor KM is energized and is kept closed under the action of the permanent magnet.
  • the output terminal of the inverter U2B is connected to the base electrode of the triode V1 after being connected to the resistor R2 and the resistor R3 in series for voltage division, so as to charge the capacitor C2.
  • the threshold depends on the charging time of the C2, the electrical level of the IN2 pin of the full-bridge driver chip U1 is pulled down, and according to the truth table of the full-bridge driver chip U1, the OUT1 pin and the OUT2 pin of the full-bridge drive pin U1 output high resistance, the coil 4 of the contactor KM loses power, and the current of the coil 4 is zero.
  • the contactor is kept in a pull-in state all the time by a permanent magnet, and the current of the coil 4 of the contactor KM is zero, in this case, the coil of the contactor KM has zero power consumption.
  • the total energy consumption of a voltage-division resistor, a voltage-stabilizing tube and a chip in the line in this state is about 0.2 W, while the holding power of the general contactor is about 10 W-30 W, and compared with the power consumption of 0.2 W, it may be considered that the coil 4 of the contactor KM is in a micro-power consumption state.
  • the release characteristics, i.e., release voltage values, of the power supply voltage in the slow drop process can be regulated by adjusting a resistance ratio of the resistor R2 and the resistor R3.
  • the pull-in characteristics, i.e., pull-in voltage values, of the power supply voltage in the slow rising process can be regulated by adjusting a resistance ratio of the resistor R4 and the resistor R5.
  • the Zener diode DW1 is used for preventing the inverter from being damaged when the power supply voltage rises or is debugged.
  • the diodes D2, D3, D4 and D5 can absorb back electromotive force generated when the coil of the contactor KM works, and the resistor R7 is a current-limiting protection sampling resistor.
  • a transformer is arranged at an input terminal of the AC-DC conversion circuit.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
EP22877801.5A 2021-10-08 2022-08-04 Procédé de commande d'économie d'énergie pour contacteur Pending EP4394835A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111168468.8A CN113611572B (zh) 2021-10-08 2021-10-08 一种接触器的节能控制方法
PCT/CN2022/110370 WO2023056777A1 (fr) 2021-10-08 2022-08-04 Procédé de commande d'économie d'énergie pour contacteur

Publications (2)

Publication Number Publication Date
EP4394835A1 true EP4394835A1 (fr) 2024-07-03
EP4394835A4 EP4394835A4 (fr) 2025-09-17

Family

ID=78310746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22877801.5A Pending EP4394835A4 (fr) 2021-10-08 2022-08-04 Procédé de commande d'économie d'énergie pour contacteur

Country Status (3)

Country Link
EP (1) EP4394835A4 (fr)
CN (1) CN113611572B (fr)
WO (1) WO2023056777A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113611572B (zh) * 2021-10-08 2022-02-01 南京全宁电器有限公司 一种接触器的节能控制方法
CN114415580B (zh) * 2022-03-31 2022-06-14 南京全宁电器有限公司 一种无弧分断交流电路的控制方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447494A (en) * 1973-03-22 1976-08-25 Gen Electric Co Ltd Electric circuit arrangements for energising electromagnetic relays
JPS61128437A (ja) * 1984-11-26 1986-06-16 松下電工株式会社 電磁接触器
DE19641188C1 (de) * 1996-09-24 1998-01-08 Siemens Ag Schaltungsanordnung zur Energieversorgung eines Schaltgerät-Magnetantriebs
CN2483827Y (zh) * 2001-02-11 2002-03-27 林李杰 自保持节能型停电自动释放式交流接触器
CN101587799B (zh) * 2008-05-22 2013-02-13 旭丽电子(广州)有限公司 继电器驱动模块及应用该继电器驱动模块的电子装置
CN101441956B (zh) * 2008-10-31 2011-03-23 上海电科电器科技有限公司 一种低压开关电器电磁铁控制电路
DE102011080226B4 (de) * 2011-08-01 2024-01-25 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit einem Stromverteiler und einem Steuergerät
CN102709118B (zh) * 2012-06-14 2014-05-07 浙江大学 一种交流接触器的节能器
CN102842461A (zh) * 2012-08-13 2012-12-26 华通机电股份有限公司 储能式节能交流接触器
EP3185272A1 (fr) * 2015-12-22 2017-06-28 ABB Schweiz AG Dispositif d'installation d'un système de commande d'un relais bistable
CN112435892A (zh) * 2019-08-10 2021-03-02 胡春生 一种磁保持操作机构智能控制器
CN210200635U (zh) * 2019-08-10 2020-03-27 胡春生 一种磁保持操作机构智能控制器
CN112397343B (zh) * 2020-10-28 2023-10-20 温州大学 一种交流接触器及其抗晃电的智能电子控制装置
CN113611572B (zh) * 2021-10-08 2022-02-01 南京全宁电器有限公司 一种接触器的节能控制方法
CN113871250B (zh) * 2021-10-08 2025-05-13 南京全宁电器有限公司 一种高效节能的接触器控制电路

Also Published As

Publication number Publication date
EP4394835A4 (fr) 2025-09-17
WO2023056777A1 (fr) 2023-04-13
CN113611572B (zh) 2022-02-01
CN113611572A (zh) 2021-11-05

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