DE2236744B2 - Accurate moving coil instrument mechanism - has linear characteristic and is simply constructed and easily adjusted after assembly - Google Patents

Accurate moving coil instrument mechanism - has linear characteristic and is simply constructed and easily adjusted after assembly

Info

Publication number
DE2236744B2
DE2236744B2 DE19722236744 DE2236744A DE2236744B2 DE 2236744 B2 DE2236744 B2 DE 2236744B2 DE 19722236744 DE19722236744 DE 19722236744 DE 2236744 A DE2236744 A DE 2236744A DE 2236744 B2 DE2236744 B2 DE 2236744B2
Authority
DE
Germany
Prior art keywords
moving coil
simply constructed
assembly
easily adjusted
linear characteristic
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.)
Granted
Application number
DE19722236744
Other languages
German (de)
Other versions
DE2236744A1 (en
DE2236744C3 (en
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 filed Critical
Priority to DE19722236744 priority Critical patent/DE2236744C3/en
Priority claimed from DE19722236744 external-priority patent/DE2236744C3/en
Publication of DE2236744A1 publication Critical patent/DE2236744A1/en
Publication of DE2236744B2 publication Critical patent/DE2236744B2/en
Application granted granted Critical
Publication of DE2236744C3 publication Critical patent/DE2236744C3/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
    • G01R5/02—Moving-coil instruments
    • G01R5/04—Moving-coil instruments with magnet external to the coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

The accurate, simply constructed and adjusted moving coil instrument basic mechanism uses a soft iron core and a permanent ring magnet. The design gives a linear accurate characteristic and is an improvement on previous mechanisms. A central vertical axle (14) carries a hollow cylindrical soft iron core (16, 17), its associated moving coil, and an instrument indicating pointer (12), the whole arrangement is spring loaded by a helical hair spring (13). Outside this, a permanent cylindrical ring magnet (15), a clamp ring (22) and a casing (26) are mounted. The setting up of the mechanism to give maximum positive deflection at the correct input voltage, is briefly described.
DE19722236744 1972-07-26 Moving coil structure with a soft iron core Expired DE2236744C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722236744 DE2236744C3 (en) 1972-07-26 Moving coil structure with a soft iron core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722236744 DE2236744C3 (en) 1972-07-26 Moving coil structure with a soft iron core

Publications (3)

Publication Number Publication Date
DE2236744A1 DE2236744A1 (en) 1974-02-07
DE2236744B2 true DE2236744B2 (en) 1976-07-15
DE2236744C3 DE2236744C3 (en) 1977-03-03

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852418A1 (en) * 1978-12-04 1980-06-12 Neuberger Messinstrumente Two=part mounting frame for moving coil instrument - has interlocking L=shaped plastics frame elements providing pivot mountings for coil frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852418A1 (en) * 1978-12-04 1980-06-12 Neuberger Messinstrumente Two=part mounting frame for moving coil instrument - has interlocking L=shaped plastics frame elements providing pivot mountings for coil frame

Also Published As

Publication number Publication date
DE2236744A1 (en) 1974-02-07

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee