GB1219168A - Improvements in or relating to wheel axle detectors - Google Patents

Improvements in or relating to wheel axle detectors

Info

Publication number
GB1219168A
GB1219168A GB53052/68A GB5305268A GB1219168A GB 1219168 A GB1219168 A GB 1219168A GB 53052/68 A GB53052/68 A GB 53052/68A GB 5305268 A GB5305268 A GB 5305268A GB 1219168 A GB1219168 A GB 1219168A
Authority
GB
United Kingdom
Prior art keywords
detector
pulse
output
amplifier
wheel
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
GB53052/68A
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of GB1219168A publication Critical patent/GB1219168A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/16—Devices for counting axles; Devices for counting vehicles
    • B61L1/163—Detection devices
    • B61L1/164—Mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/02—Electric devices associated with track, e.g. rail contacts
    • B61L1/025—Electric devices associated with track, e.g. rail contacts actuated by variation of resistance or by piezoelectricity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

1,219,168. Wheel detector. SUMITOMO ELECTRIC INDUSTRIES Ltd. 8 Nov., 1968 [10 Nov., 1967], No. 53052/68. Heading B7N. [Also in Division G1] The pressure of a passing train wheel acts on piezo-electric element 5, 17 to stop a cricuit, including the element and a feedback amplifier 18, from oscillating. The output from the circuit is applied via buffer amplifier 19, cable 20, amplifier 21 to a detector 22 and thence to a pulse shaper 23 which produces a pulse output each time the oscillator stops as a wheel passes the detector. Continuous output from the pulse shaper indicates a fault in the apparatus. The pulses may be extended to form a single train present pulse, Figs. 5a, 5b (not shown) or a number of detectors may be provided spaced apart by a known amount, Figs. 6a, 6b (not shown), which provide timing information from which vehicle acceleration can be obtained. As shown a pair of elements 5 are provided clamped between rail head 2 and foot 4 on either side of rail web 16 and above a rail sleeper or tie 1.
GB53052/68A 1967-11-10 1968-11-08 Improvements in or relating to wheel axle detectors Expired GB1219168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7196567 1967-11-10

Publications (1)

Publication Number Publication Date
GB1219168A true GB1219168A (en) 1971-01-13

Family

ID=13475679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53052/68A Expired GB1219168A (en) 1967-11-10 1968-11-08 Improvements in or relating to wheel axle detectors

Country Status (3)

Country Link
US (1) US3581084A (en)
FR (1) FR1604585A (en)
GB (1) GB1219168A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166551A (en) * 1984-10-18 1986-05-08 Sharp Kk Microwave oven with capacitive weighing device

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791283A (en) * 1972-11-13 1973-05-14 Acec PEDAL, IN PARTICULAR RAILWAY PEDAL.
DE2640971A1 (en) * 1976-09-11 1978-03-16 Philips Patentverwaltung METHOD FOR DETECTING AND DISPLAYING DIRECTION OF ROAD-BASED VEHICLES
DE2850792A1 (en) * 1978-11-23 1980-06-04 Siemens Ag MICROPHONE AMPLIFIER, ESPECIALLY FOR TELEPHONE SYSTEMS
AU522709B2 (en) * 1980-09-22 1982-06-24 Sundstrand Data Control, Inc. Accelerometer protective structure
US5129606A (en) * 1991-03-07 1992-07-14 Jdr Systems Corporation Railway wheel sensors
US5174216A (en) * 1991-03-13 1992-12-29 Miller Electronics Digital sound reproducing system for toy trains with stored digitized sounds recalled upon trackside triggering
DE4207516A1 (en) * 1992-03-10 1993-09-16 Gerd R Dipl Ing Wetzler METHOD FOR GENERATING LOAD-RELATED SWITCHING SIGNALS ON RAILWAY RAILWAYS
US5628479A (en) * 1995-12-12 1997-05-13 Harmon Industries, Inc. Vital wheel detector
DE10152380A1 (en) * 2001-10-28 2003-06-26 Pieper Siegfried Device for detecting forces and changes on wheels of rail vehicles
MX2007000578A (en) * 2004-07-16 2007-03-30 Lynxrail Corp Apparatus for detecting hunting and angle of attack of a rail vehicle wheelset.
US20060076461A1 (en) * 2004-10-12 2006-04-13 General Electric Company System and method for self powered wayside railway signaling and sensing
US8310070B2 (en) * 2008-06-16 2012-11-13 General Electric Company Method and system for generating electricity
TW201213638A (en) * 2010-09-24 2012-04-01 Foxsemicon Integrated Tech Inc Rail
CN102101484A (en) * 2010-12-27 2011-06-22 深圳思量微系统有限公司 Novel unit structure for monitoring track axle
CN102101486A (en) * 2010-12-27 2011-06-22 深圳思量微系统有限公司 Wireless passive sensing unit for track axle counting monitoring
CN102146807A (en) * 2011-01-14 2011-08-10 深圳思量微系统有限公司 Unit structure for monitoring microseism of coal mining roof
CA2945840A1 (en) * 2013-04-15 2014-10-23 Kinergypower International Corp. Railroad kinetic energy harnessing apparatus
CN103935383B (en) * 2014-04-16 2016-03-02 北京全路通信信号研究设计院集团有限公司 Train speed measuring method and device
JP2016213089A (en) * 2015-05-11 2016-12-15 株式会社オートネットワーク技術研究所 Heat shrinkable tube fixture, manufacturing method for wire with heat shrinkable tube and wire with heat shrinkable tube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558563A (en) * 1948-10-29 1951-06-26 Gen Electric Piezoelectric strain gauge
US2755384A (en) * 1954-04-22 1956-07-17 Hoffman Electronics Corp Crystal-controlled transistor oscillators or the like
US2906865A (en) * 1955-04-13 1959-09-29 Westinghouse Air Brake Co Vehicle weighing means
US2966582A (en) * 1957-01-11 1960-12-27 Wachtel Kurt Railroad signalling
US3086109A (en) * 1960-01-18 1963-04-16 Charles G Kaehms Train wheel proximity detector
US3469116A (en) * 1965-05-04 1969-09-23 Nippon Electric Co Pulse timer circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166551A (en) * 1984-10-18 1986-05-08 Sharp Kk Microwave oven with capacitive weighing device

Also Published As

Publication number Publication date
DE1808242B2 (en) 1972-09-21
US3581084A (en) 1971-05-25
DE1808242A1 (en) 1969-11-27
FR1604585A (en) 1971-12-06

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