GB947091A - Photoelectric tracking device - Google Patents

Photoelectric tracking device

Info

Publication number
GB947091A
GB947091A GB1803961A GB1803961A GB947091A GB 947091 A GB947091 A GB 947091A GB 1803961 A GB1803961 A GB 1803961A GB 1803961 A GB1803961 A GB 1803961A GB 947091 A GB947091 A GB 947091A
Authority
GB
United Kingdom
Prior art keywords
sun
photo
tube
electric
reflector
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
GB1803961A
Inventor
Leslie Robert Burge Shackleton
Charles Cecil Noaks
Laurence Johnston Flaws
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB1803961A priority Critical patent/GB947091A/en
Publication of GB947091A publication Critical patent/GB947091A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7861—Solar tracking systems

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Photovoltaic Devices (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

947,091. Photo-electric sun tracking. NATIONAL RESEARCH DEVELOPMENT CORPORATION. May 11, 1962 [May 17, 1961], No. 18039/61. Heading H4D. [Also in Division F4] A solar heater, comprising a blackened and flattened tube 11 through which water or air as working fluid flows and is disposed along the focal line of a stainless sheet steel or sheet aluminium cylindrical parabolic reflector 12, is caused to home on to the sun by a scanning arrangement incorporating orthogonally-directional photo-electric receivers 32, 33, see also Figs. 3 and 4 (neither shown), mounted on a shaft to which crank 31, reflector 12 and tube 11 are connected. The photo-cells or phototransistors in receivers 32, 33 control respective motors 22, 27 to stop them when the sun is found, which is then tracked. Red filters may be used to remove interference from sky-or cloud-light. It may be arranged that, when the apparatus has homed on to the sun, motor 22 continues to run at a set speed to cause receiver 33 to follow the sun. The power supply to the motors may be switched on automatically by photo-electric or heat-sensitive means only when solar energy reaches a predetermined level. The reflector aperture may be covered by two nearby transparent and parallel sheets so as to enclose a layer of air, to minimize cooling of tube 11 by convection; and the transparent material reflects infra-red rays to reduce re-radiation from tube 11.
GB1803961A 1961-05-17 1961-05-17 Photoelectric tracking device Expired GB947091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1803961A GB947091A (en) 1961-05-17 1961-05-17 Photoelectric tracking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1803961A GB947091A (en) 1961-05-17 1961-05-17 Photoelectric tracking device

Publications (1)

Publication Number Publication Date
GB947091A true GB947091A (en) 1964-01-22

Family

ID=10105584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1803961A Expired GB947091A (en) 1961-05-17 1961-05-17 Photoelectric tracking device

Country Status (1)

Country Link
GB (1) GB947091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013042086A1 (en) 2011-09-23 2013-03-28 Active Space Technologies, Actividades Aeroespaciais S.A. Passive heat source tracking system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013042086A1 (en) 2011-09-23 2013-03-28 Active Space Technologies, Actividades Aeroespaciais S.A. Passive heat source tracking system

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