FR2148029A1 - Ir sensor - for monitoring the temp of generators - Google Patents

Ir sensor - for monitoring the temp of generators

Info

Publication number
FR2148029A1
FR2148029A1 FR7226822A FR7226822A FR2148029A1 FR 2148029 A1 FR2148029 A1 FR 2148029A1 FR 7226822 A FR7226822 A FR 7226822A FR 7226822 A FR7226822 A FR 7226822A FR 2148029 A1 FR2148029 A1 FR 2148029A1
Authority
FR
France
Prior art keywords
inclusions
wavelength
sensor
antimonide
lens
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
FR7226822A
Other languages
French (fr)
Other versions
FR2148029B1 (en
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2148029A1 publication Critical patent/FR2148029A1/en
Application granted granted Critical
Publication of FR2148029B1 publication Critical patent/FR2148029B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/041—Mountings in enclosures or in a particular environment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
    • G01J5/22—Electrical features thereof
    • G01J5/24—Use of specially adapted circuits, e.g. bridge circuits
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/045—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a thermal radiation sensor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0852—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load directly responsive to abnormal temperature by using a temperature sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/046—Materials; Selection of thermal materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

Remote heat sensor has an IR photocell in a housing thermostatically kept at e.g. 70 degrees C, and may be mounted wherever convenient. The IR has a wavelength of approx. 8 mu and is focussed on the photoresistor by a lens doublet, one lens being made of CaFe and the other of indium antimonide, with an antireflective coating of silica. The photosensor is made of a semiconductor, pref. Indium antimonide, filled with inclusions of an eutectic material consisting of parallel needles spaced at intervals = the wavelength of the I.R. The crystalline needles have a higher electrical conductivity than the matrix. The inclusions may consist of nickel antimonide or FeSe, CoAs, CrSb, CrAs or MnSb.
FR7226822A 1971-07-30 1972-07-26 Ir sensor - for monitoring the temp of generators Granted FR2148029A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712138336 DE2138336C3 (en) 1971-07-30 1971-07-30 Arrangement for the contactless detection of the temperature radiation of an infrared heater

Publications (2)

Publication Number Publication Date
FR2148029A1 true FR2148029A1 (en) 1973-03-11
FR2148029B1 FR2148029B1 (en) 1977-01-14

Family

ID=5815379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226822A Granted FR2148029A1 (en) 1971-07-30 1972-07-26 Ir sensor - for monitoring the temp of generators

Country Status (5)

Country Link
BE (1) BE786904A (en)
CA (1) CA968181A (en)
DE (1) DE2138336C3 (en)
FR (1) FR2148029A1 (en)
IT (1) IT963376B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685717A1 (en) * 1994-06-03 1995-12-06 Land Instruments International Limited Improvements relating to radiation thermometers
EP2551656A1 (en) * 2011-07-28 2013-01-30 ABB Technology AG Temperature measuring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685717A1 (en) * 1994-06-03 1995-12-06 Land Instruments International Limited Improvements relating to radiation thermometers
US5655837A (en) * 1994-06-03 1997-08-12 Land Instruments International Limited Radiation thermometers
EP2551656A1 (en) * 2011-07-28 2013-01-30 ABB Technology AG Temperature measuring device

Also Published As

Publication number Publication date
FR2148029B1 (en) 1977-01-14
DE2138336A1 (en) 1973-02-08
DE2138336C3 (en) 1976-01-02
DE2138336B2 (en) 1975-05-07
CA968181A (en) 1975-05-27
BE786904A (en) 1972-11-16
IT963376B (en) 1974-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse