WO2023162090A1 - 電磁継電器 - Google Patents

電磁継電器 Download PDF

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Publication number
WO2023162090A1
WO2023162090A1 PCT/JP2022/007615 JP2022007615W WO2023162090A1 WO 2023162090 A1 WO2023162090 A1 WO 2023162090A1 JP 2022007615 W JP2022007615 W JP 2022007615W WO 2023162090 A1 WO2023162090 A1 WO 2023162090A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic
contact
unit
power
electromagnetic relay
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.)
Ceased
Application number
PCT/JP2022/007615
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
光浩 飯田
茂生 福城
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.)
System Design Co Ltd
Original Assignee
System Design 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 System Design Co Ltd filed Critical System Design Co Ltd
Priority to PCT/JP2022/007615 priority Critical patent/WO2023162090A1/ja
Priority to JP2022534411A priority patent/JP7300564B1/ja
Priority to CN202280019407.1A priority patent/CN117043906A/zh
Priority to EP22928618.2A priority patent/EP4376042B1/en
Priority to US18/277,370 priority patent/US20250006445A1/en
Publication of WO2023162090A1 publication Critical patent/WO2023162090A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H01H47/22—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
    • 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
    • H01H47/001—Functional circuits, e.g. logic, sequencing, interlocking circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • 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

Definitions

  • the present invention relates to an electromagnetic relay, and more particularly to an electromagnetic relay with a security function that enables energization upon receipt of an external relay energization permission instruction.
  • An electromagnetic relay is a device that uses energization to some terminals of a device as a trigger to control energization to other terminals. It is a device used to
  • Japanese Patent Application Laid-Open No. 2017-79107 exists as a technology related to electromagnetic relays.
  • electromagnetic relays capable of opening and closing the contact device in the event of an abnormality a contact device having a movable contact and a fixed contact, an electromagnet device having a mover provided with a coil and a movable contact, and a power supply unit. , a switch section, and a control section, wherein the power supply section is charged by power supply from a main power supply, and the switch section is inserted into a power supply path from the power supply section to the coil.
  • a structure for opening and closing a power supply path is disclosed.
  • the emergency response (security function) of the relay is a function that cuts off the power supply to fundamentally eliminate unauthorized use. It is considered to be an effective function from the viewpoint of crime prevention, which protects the equipment using the relay from unauthorized operation. Therefore, it has been desired to develop an electromagnetic relay having a security function that can be energized only when an instruction to permit relay energization is received from the outside.
  • the present invention provides an electromagnetic relay, and more particularly, an electromagnetic relay with a security function that enables energization by receiving a relay energization permission instruction from the outside using a remote key or the like. intended to
  • an electromagnetic relay is an electromagnetic relay comprising an electromagnetic portion having an electromagnet, and a contact portion that contacts or separates a movable contact and a fixed contact as the electromagnet is energized.
  • the electromagnetic relay receives a signal from the outside, analyzes the received signal, and determines whether or not to energize the electromagnetic unit based on the analysis result.
  • the configuration includes a power supply switching unit that selects or switches either power to the electromagnetic unit or power to the contact unit to supply power.
  • control unit includes a receiving unit for receiving a signal from an external device, and the receiving unit receives and analyzes an energization permission signal from the external device to determine whether or not to energize the electromagnetic unit. After that, the electromagnetic section is energized.
  • the electromagnetic section has a latching structure including a set coil and a reset coil, and energization of the set coil ensures energization of the electromagnetic section to bring the contact portions into contact, thereby energizing the reset coil. energization of the electromagnetic portion is released, and the contact portions are separated from each other.
  • the present invention has the configuration as described in detail above, it has the following effects. 1. Since the control unit is provided in the electromagnetic relay, it is possible to ensure security by controlling whether or not the electromagnetic unit is energized. In addition, since the power switching unit is provided, the power supply of the control unit can be switched between the electromagnetic unit side and the contact unit side, and the power supply of the control unit can be ensured. 2. Since the control unit is provided with a communication unit, it is possible to perform power supply control by the control unit after receiving a power supply permission signal from an external device. Security can be ensured.
  • the electromagnetic section is provided with the set coil and the reset coil, it is possible to perform latching, eliminating the need to constantly energize the electromagnetic section. 4. Since the contact/separation of the contact portion is controlled by reversing the polarity of the electromagnetic portion, latching can be performed, eliminating the need to constantly energize the electromagnetic portion.
  • FIG. 1 is a conceptual diagram of an electromagnetic relay according to the present invention
  • FIG. 2 is a circuit diagram showing the mechanism of power switching operation
  • FIG. 3 is a circuit diagram of an electromagnetic relay using a latching structure.
  • the electromagnetic relay 1 of the present invention is an electromagnetic relay having a security function that enables switching between energization/non-energization of the contact portion 200 side by controlling the energization of the electromagnetic portion 100 .
  • the electromagnetic part 100 is a member for switching energization/non-energization on the contact part 200 side, and as shown in FIG.
  • the terminals (terminal A and terminal B) of the electromagnetic section 100 are energized, the electromagnet 110 provided between the terminals generates a magnetic force.
  • the contact portion 200 is a member for supplying electric power to the electronic device, and in this embodiment includes a movable contact 210 and a fixed contact 220 as shown in FIG.
  • a magnetic force generated by energizing the electromagnet 110 of the electromagnetic section 100 brings the movable contact 210 into contact with the fixed contact 220, thereby energizing the terminals (terminal C and terminal D) on the contact section 200 side and supplying power to the electronic device. supplied.
  • the electromagnetic part 100 is de-energized, the contact between the movable contact 210 and the fixed contact 220 is released, the de-energization between the terminals CD is de-energized, and the power supply to the electronic device is stopped. Configuration.
  • the electromagnetic relay 1 is configured to include a control section 300, as shown in FIG.
  • the control unit 300 is a member for controlling energization between terminals (terminal A and terminal B) on the electromagnetic unit 100 side.
  • the control unit 300 receives the signal S from the outside and analyzes the signal S.
  • FIG. The control unit 300 analyzes whether the received signal S is a signal that can be authenticated, and if it can be authenticated, starts energization between the terminals (terminal A and terminal B) on the electromagnetic unit 100 side. do.
  • the movable contact 210 comes into contact with the fixed contact 220, and the terminals (the terminals C and D) on the contact portion 200 side are energized, enabling the electronic device to start up.
  • an electronic device equipped with the electromagnetic relay 1 cannot be activated unless the signal S is authenticated, thereby making it possible to maintain security.
  • the electromagnetic relay 1 further includes a power switching unit 400 as shown in FIG.
  • the power switching unit 400 is a member for ensuring the power supply of the control unit 300, and in this embodiment, the power to the control unit 300 is the power to the electromagnetic unit 100 (the power supplied between the terminals on the electromagnetic unit 100 side). power) or power to the contact unit 200 (power applied between terminals on the contact unit 200 side) is selected or switched to supply the power as the power source of the control unit 300 .
  • the power switching unit 400 includes terminals (terminals A and B) on the electromagnetic unit 100 side and terminals (terminals C and D) on the contact unit 200 side. connected to both.
  • the power switching unit 400 acquires power from the terminals on the contact unit 200 side and supplies the control unit 300 with power for exerting the control function. supply. Since this electric power is weak, it does not greatly affect electronic equipment using the electromagnetic relay 1 .
  • the power switching unit 400 acquires power from the terminal on the electromagnetic unit 100 side, thereby supplying the control unit 300 with power for performing the control function.
  • the control unit 300 is configured to include a receiving unit 310 in this embodiment.
  • the receiving unit 310 is a member for receiving a signal emitted by an external device 500 such as a smart phone or a smart key.
  • the reception unit 310 receives and analyzes the energization permission signal from the external device 500 to determine whether or not to energize the electromagnetic unit 100 .
  • the control unit 300 performs control so that the electromagnetic unit 100 is energized when the energization permission signal from the external device 500 is authenticated.
  • communication between the control unit 300 and the external device 500 uses Bluetooth (registered trademark) encrypted communication, and authentication and communication between the control unit 300 and the external device 500 are performed by pairing.
  • Bluetooth registered trademark
  • Wi-Fi wireless fidelity
  • the electromagnetic relay 1 is constantly monitored from a smart key or the like as the external device 500, and if necessary, the smart key from a smartphone or the like is instructed to issue an energization permission signal to the electromagnetic relay 1, and the electromagnetic relay 1 is activated. It is also possible to have a configuration that enables operation. Furthermore, it is also possible to configure the smartphone as the external device 500 to directly instruct the electromagnetic relay 1 to issue an energization permission signal to the electromagnetic relay 1 so that the electromagnetic relay 1 can operate. In any case, strong security can be realized, and it is possible to ensure security that power cannot be supplied without a signal from the authenticated external device 500 .
  • the electromagnetic relay 1 according to the present invention can be used not only for the automobile but also for all kinds of equipment such as machine tools, home appliances, and locking/unlocking of buildings, and the security function can be easily obtained by simply replacing the existing electromagnetic relay. became possible to add.
  • the electromagnetic section 100 can be configured to have a latching structure using a set coil 120 and a reset coil 130 in this embodiment.
  • the set coil 120 By energizing the set coil 120, the energization of the electromagnetic part 100 is ensured and the contact part 200 is brought into contact, and by energizing the reset coil 130, the energization of the electromagnetic part 100 is canceled and the contact part 200 is separated. becomes possible.
  • the drive power source for the electromagnetic relay 1 is obtained from the contact section 200 side, and the control section 300 controls the energization of the set coil 120 and the reset coil 130 .
  • the electromagnetic part 100 has a latching structure that controls contact/separation to/from the contact part 200 by energizing/de-energizing the electromagnetic part 100 by reversing the polarity. is also possible. With the above configuration, it is no longer necessary to constantly supply power to the electromagnetic unit 100 side, which can lead to problems such as unauthorized power loss of the electronic device due to power loss on the electromagnetic unit 100 side, power shortage due to the use of power by the electromagnetic unit 100 side, etc. can be avoided, and it is possible to provide the electromagnetic relay 1 which is highly convenient especially for use in automobiles.

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  • Relay Circuits (AREA)
PCT/JP2022/007615 2022-02-24 2022-02-24 電磁継電器 Ceased WO2023162090A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2022/007615 WO2023162090A1 (ja) 2022-02-24 2022-02-24 電磁継電器
JP2022534411A JP7300564B1 (ja) 2022-02-24 2022-02-24 電磁継電器
CN202280019407.1A CN117043906A (zh) 2022-02-24 2022-02-24 电磁继电器
EP22928618.2A EP4376042B1 (en) 2022-02-24 2022-02-24 Electromagnetic relay
US18/277,370 US20250006445A1 (en) 2022-02-24 2022-02-24 Electromagnetic relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/007615 WO2023162090A1 (ja) 2022-02-24 2022-02-24 電磁継電器

Publications (1)

Publication Number Publication Date
WO2023162090A1 true WO2023162090A1 (ja) 2023-08-31

Family

ID=86900507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/007615 Ceased WO2023162090A1 (ja) 2022-02-24 2022-02-24 電磁継電器

Country Status (5)

Country Link
US (1) US20250006445A1 (https=)
EP (1) EP4376042B1 (https=)
JP (1) JP7300564B1 (https=)
CN (1) CN117043906A (https=)
WO (1) WO2023162090A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7731009B1 (ja) * 2024-06-21 2025-08-28 株式会社システムデザイン セキュリティスイッチ
EP4611017A4 (en) * 2023-12-25 2026-03-04 System Design Corp SAFETY RELAY

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025027680A1 (ja) * 2023-07-28 2025-02-06 株式会社システムデザイン セキュリティリレー

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07326278A (ja) * 1994-06-02 1995-12-12 Mitsubishi Electric Corp 電路異常警報装置および電路異常警報機能付き配線用遮断器
JPH09205734A (ja) * 1996-01-26 1997-08-05 Toshiba Corp 電源回路
US20160358722A1 (en) * 2015-02-05 2016-12-08 Ramasamy Lakshmanan Intelligent wireless and wired control of devices
JP2017079107A (ja) 2015-10-19 2017-04-27 パナソニックＩｐマネジメント株式会社 電磁継電器
CN207381324U (zh) * 2017-09-22 2018-05-18 宁波世通电子科技有限公司 一种智能继电器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801832A (en) * 1969-06-02 1974-04-02 Philips Corp Solid-state relay
JP2003197064A (ja) * 2001-12-27 2003-07-11 Alps Electric Co Ltd 電子機器
JP2013134848A (ja) * 2011-12-26 2013-07-08 Yazaki Corp 車両用ラッチングリレー駆動回路
US20130203365A1 (en) * 2012-02-03 2013-08-08 Delphi Technologies, Inc. Plug-in vehcile security system with a wireless relay
US10211020B2 (en) * 2013-12-28 2019-02-19 Blue Eclipse, Llc Self-powered wireless fuse switch
US10734177B2 (en) * 2017-09-21 2020-08-04 Moxa Inc. Electromagnetic relay device and control method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07326278A (ja) * 1994-06-02 1995-12-12 Mitsubishi Electric Corp 電路異常警報装置および電路異常警報機能付き配線用遮断器
JPH09205734A (ja) * 1996-01-26 1997-08-05 Toshiba Corp 電源回路
US20160358722A1 (en) * 2015-02-05 2016-12-08 Ramasamy Lakshmanan Intelligent wireless and wired control of devices
JP2017079107A (ja) 2015-10-19 2017-04-27 パナソニックＩｐマネジメント株式会社 電磁継電器
CN207381324U (zh) * 2017-09-22 2018-05-18 宁波世通电子科技有限公司 一种智能继电器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4376042A4

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4611017A4 (en) * 2023-12-25 2026-03-04 System Design Corp SAFETY RELAY
JP7731009B1 (ja) * 2024-06-21 2025-08-28 株式会社システムデザイン セキュリティスイッチ
WO2025262932A1 (ja) * 2024-06-21 2025-12-26 株式会社システムデザイン セキュリティスイッチ

Also Published As

Publication number Publication date
EP4376042A1 (en) 2024-05-29
EP4376042A4 (en) 2025-05-14
CN117043906A (zh) 2023-11-10
JP7300564B1 (ja) 2023-06-29
JPWO2023162090A1 (https=) 2023-08-31
US20250006445A1 (en) 2025-01-02
EP4376042B1 (en) 2026-04-08

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