GB2538840B - An improved safety switching device - Google Patents

An improved safety switching device

Info

Publication number
GB2538840B
GB2538840B GB1604512.2A GB201604512A GB2538840B GB 2538840 B GB2538840 B GB 2538840B GB 201604512 A GB201604512 A GB 201604512A GB 2538840 B GB2538840 B GB 2538840B
Authority
GB
United Kingdom
Prior art keywords
switching device
improved safety
safety switching
improved
switching
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.)
Active
Application number
GB1604512.2A
Other versions
GB201604512D0 (en
GB2538840A (en
Inventor
Farrah Mabruk
Bagley Matthew
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.)
MECHAN CONTROLS PLC
Original Assignee
MECHAN CONTROLS PLC
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 MECHAN CONTROLS PLC filed Critical MECHAN CONTROLS PLC
Priority to GB1604512.2A priority Critical patent/GB2538840B/en
Publication of GB201604512D0 publication Critical patent/GB201604512D0/en
Publication of GB2538840A publication Critical patent/GB2538840A/en
Application granted granted Critical
Publication of GB2538840B publication Critical patent/GB2538840B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9502—Measures for increasing reliability
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9505—Constructional details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/945—Proximity switches
    • H03K2217/95—Proximity switches using a magnetic detector
    • H03K2217/958—Proximity switches using a magnetic detector involving transponders
GB1604512.2A 2016-03-17 2016-03-17 An improved safety switching device Active GB2538840B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1604512.2A GB2538840B (en) 2016-03-17 2016-03-17 An improved safety switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1604512.2A GB2538840B (en) 2016-03-17 2016-03-17 An improved safety switching device

Publications (3)

Publication Number Publication Date
GB201604512D0 GB201604512D0 (en) 2016-05-04
GB2538840A GB2538840A (en) 2016-11-30
GB2538840B true GB2538840B (en) 2017-06-28

Family

ID=55968453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1604512.2A Active GB2538840B (en) 2016-03-17 2016-03-17 An improved safety switching device

Country Status (1)

Country Link
GB (1) GB2538840B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7122851B2 (en) 2018-04-13 2022-08-22 株式会社キーエンス safety switch
JP7010755B2 (en) * 2018-04-13 2022-01-26 株式会社キーエンス Safety door switch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2385182A (en) * 2002-02-06 2003-08-13 Mechan Controls Ltd Safety switching device for a machine guard
GB2407126A (en) * 2003-09-06 2005-04-20 R W L Consultants Ltd Magnetic safety interlock and monitoring circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2385182A (en) * 2002-02-06 2003-08-13 Mechan Controls Ltd Safety switching device for a machine guard
GB2407126A (en) * 2003-09-06 2005-04-20 R W L Consultants Ltd Magnetic safety interlock and monitoring circuit

Also Published As

Publication number Publication date
GB201604512D0 (en) 2016-05-04
GB2538840A (en) 2016-11-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20171102 AND 20171108