GB2209075B - Relay contact check circuit - Google Patents

Relay contact check circuit

Info

Publication number
GB2209075B
GB2209075B GB8825585A GB8825585A GB2209075B GB 2209075 B GB2209075 B GB 2209075B GB 8825585 A GB8825585 A GB 8825585A GB 8825585 A GB8825585 A GB 8825585A GB 2209075 B GB2209075 B GB 2209075B
Authority
GB
United Kingdom
Prior art keywords
relay contact
check circuit
contact check
circuit
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.)
Expired
Application number
GB8825585A
Other versions
GB2209075A (en
GB8825585D0 (en
Inventor
Gregory Ernest Jones
Barry Leonard Price
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.)
British Gas PLC
Original Assignee
British Gas 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
Priority claimed from GB8520185A external-priority patent/GB2179179B/en
Application filed by British Gas PLC filed Critical British Gas PLC
Priority to GB8825585A priority Critical patent/GB2209075B/en
Publication of GB8825585D0 publication Critical patent/GB8825585D0/en
Publication of GB2209075A publication Critical patent/GB2209075A/en
Application granted granted Critical
Publication of GB2209075B publication Critical patent/GB2209075B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Regulation And Control Of Combustion (AREA)
GB8825585A 1985-08-12 1988-08-12 Relay contact check circuit Expired GB2209075B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8825585A GB2209075B (en) 1985-08-12 1988-08-12 Relay contact check circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8520185A GB2179179B (en) 1985-08-12 1985-08-12 Improvements in or relating to burner control systems
GB8825585A GB2209075B (en) 1985-08-12 1988-08-12 Relay contact check circuit

Publications (3)

Publication Number Publication Date
GB8825585D0 GB8825585D0 (en) 1988-12-07
GB2209075A GB2209075A (en) 1989-04-26
GB2209075B true GB2209075B (en) 1989-10-18

Family

ID=26289648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825585A Expired GB2209075B (en) 1985-08-12 1988-08-12 Relay contact check circuit

Country Status (1)

Country Link
GB (1) GB2209075B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108182855B (en) * 2018-02-05 2023-08-22 柳州铁道职业技术学院 Speed-up turnout control circuit and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065923A (en) * 1979-11-09 1981-07-01 Honeywell Inc Monitoring burner control circuitry
GB2130749A (en) * 1982-09-30 1984-06-06 Fuji Heavy Ind Ltd Diagnostic system for an internal combustion engine
GB2130750A (en) * 1982-09-30 1984-06-06 Fuji Heavy Ind Ltd Diagnostic system for an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065923A (en) * 1979-11-09 1981-07-01 Honeywell Inc Monitoring burner control circuitry
GB2130749A (en) * 1982-09-30 1984-06-06 Fuji Heavy Ind Ltd Diagnostic system for an internal combustion engine
GB2130750A (en) * 1982-09-30 1984-06-06 Fuji Heavy Ind Ltd Diagnostic system for an internal combustion engine

Also Published As

Publication number Publication date
GB2209075A (en) 1989-04-26
GB8825585D0 (en) 1988-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920812