JPH02149685U - - Google Patents

Info

Publication number
JPH02149685U
JPH02149685U JP5898589U JP5898589U JPH02149685U JP H02149685 U JPH02149685 U JP H02149685U JP 5898589 U JP5898589 U JP 5898589U JP 5898589 U JP5898589 U JP 5898589U JP H02149685 U JPH02149685 U JP H02149685U
Authority
JP
Japan
Prior art keywords
time
transmitter
receiver
optical signal
distance
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.)
Pending
Application number
JP5898589U
Other languages
Japanese (ja)
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 JP5898589U priority Critical patent/JPH02149685U/ja
Publication of JPH02149685U publication Critical patent/JPH02149685U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第３図は本考案による超音波衝突
防止装置の一実施例を示し、第１図はブロツク図
、第２図、第３図は衝突防止装置を取付けたクレ
ーンを示し、第２図は平面図、第３図は第２図の
側面図、第４図および第５図はそれぞれ従来の超
音波衝突防止装置の一例を示し、第４図はブロツ
ク図、第５図は衝突防止装置を取付けたクレーン
の平面図である。 ５：マイコン、９：レール、１０，１１：クレ
ーン、１６：送波器、１７：受波器、１８：投光
器、１９：受光器。 1 to 3 show an embodiment of the ultrasonic collision prevention device according to the present invention, FIG. 1 is a block diagram, FIGS. 2 and 3 show a crane equipped with the collision prevention device, and FIG. The figure is a plan view, Figure 3 is a side view of Figure 2, Figures 4 and 5 each show an example of a conventional ultrasonic collision prevention device, Figure 4 is a block diagram, and Figure 5 is a collision prevention device. FIG. 2 is a plan view of the crane with the device attached. 5: microcomputer, 9: rail, 10, 11: crane, 16: transmitter, 17: receiver, 18: emitter, 19: receiver.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一定の軌道に沿つて走行する２台の走行物体の
一方に取付けられ所定周波数の超音波信号を投射
する送波器と、他方の走行物体に取付けられ前記
送波器の投射する超音波信号を受波する受波器と
、この受波器側に設けられ光信号を投光する投光
回路と、前記送波器側に設けられ前記投光回路が
投光する光信号を受光する受光回路と、前記光信
号により前記送波器から送波し前記受波器が受波
するまでの時間計測の開始タイミングと同期を取
り前記時間を計測する時間計測手段と、この時間
計測手段が計測した時間から前記走行物体間の距
離を算出する距離算出手段とを設け、この距離算
出手段が算出した距離が所定値以内になると前記
走行物体を停止させることを特徴とする超音波衝
突防止装置。 A transmitter is attached to one of two running objects traveling along a fixed trajectory and projects an ultrasonic signal of a predetermined frequency, and a transmitter is attached to the other running object and projects an ultrasonic signal projected by the transmitter. A receiver that receives waves, a light emitter circuit provided on the receiver side that emits an optical signal, and a light receiver circuit that is provided on the transmitter side and receives the optical signal emitted by the light emitter circuit. and a time measuring means for measuring the time in synchronization with the start timing of measuring the time from when the optical signal is transmitted from the transmitter to when the wave is received by the receiver, and the time measuring means measures the time. An ultrasonic collision prevention device comprising: distance calculating means for calculating the distance between the running objects from time, and stopping the running objects when the distance calculated by the distance calculating means falls within a predetermined value.
JP5898589U 1989-05-22 1989-05-22 Pending JPH02149685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5898589U JPH02149685U (en) 1989-05-22 1989-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5898589U JPH02149685U (en) 1989-05-22 1989-05-22

Publications (1)

Publication Number Publication Date
JPH02149685U true JPH02149685U (en) 1990-12-20

Family

ID=31585081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5898589U Pending JPH02149685U (en) 1989-05-22 1989-05-22

Country Status (1)

Country Link
JP (1) JPH02149685U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012030950A (en) * 2010-07-30 2012-02-16 Sumitomo Heavy Ind Ltd Image generation system
JP2017071455A (en) * 2015-10-05 2017-04-13 東芝三菱電機産業システム株式会社 Collision prevention device of cargo crane

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222091A (en) * 1985-07-22 1987-01-30 Nippon Kooteingu Kk Distance measuring method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222091A (en) * 1985-07-22 1987-01-30 Nippon Kooteingu Kk Distance measuring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012030950A (en) * 2010-07-30 2012-02-16 Sumitomo Heavy Ind Ltd Image generation system
JP2017071455A (en) * 2015-10-05 2017-04-13 東芝三菱電機産業システム株式会社 Collision prevention device of cargo crane

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