JPH0415663U - - Google Patents

Info

Publication number
JPH0415663U
JPH0415663U JP5678790U JP5678790U JPH0415663U JP H0415663 U JPH0415663 U JP H0415663U JP 5678790 U JP5678790 U JP 5678790U JP 5678790 U JP5678790 U JP 5678790U JP H0415663 U JPH0415663 U JP H0415663U
Authority
JP
Japan
Prior art keywords
ultrasonic
signal
ultrasonic waves
waves
invading object
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
JP5678790U
Other languages
Japanese (ja)
Other versions
JP2505275Y2 (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 JP1990056787U priority Critical patent/JP2505275Y2/en
Publication of JPH0415663U publication Critical patent/JPH0415663U/ja
Application granted granted Critical
Publication of JP2505275Y2 publication Critical patent/JP2505275Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (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図は本考案の一実施例を示す全体の構成図
、第２図は超音波送受波器の外観図、第３図は本
実施例における侵入物体側の超音波送受波ユニツ
トの具体例を示す回路ブロツク図、第４図は作業
車の侵入物体に対する超音波送受波器の指向性を
示す説明図である。 尚図中、１はパワーシヨベル（作業車）、２は
旋回部、３ａ〜３ｆは超音波送受波器、５は制御
ユニツト、６は作業者（侵入物体）、７は警報ブ
ザー、８は超音波送受波ユニツト、５１は発振回
路、５４は信号処理回路、５５は警報器、５６は
停止制御部、８１は超音波受波器、８３は信号処
理回路、８４は発振回路、８６は超音波送波器で
ある。 Fig. 1 is an overall configuration diagram showing an embodiment of the present invention, Fig. 2 is an external view of the ultrasonic transducer, and Fig. 3 is a specific example of the ultrasonic transducer unit on the invading object side in this embodiment. FIG. 4 is an explanatory diagram showing the directivity of the ultrasonic transducer with respect to an intruding object on the working vehicle. In the figure, 1 is a power shovel (work vehicle), 2 is a rotating part, 3a to 3f are ultrasonic transducers, 5 is a control unit, 6 is a worker (intruding object), 7 is a warning buzzer, and 8 is an ultrasonic wave. Transmission/reception unit, 51 is an oscillation circuit, 54 is a signal processing circuit, 55 is an alarm, 56 is a stop control section, 81 is an ultrasonic receiver, 83 is a signal processing circuit, 84 is an oscillation circuit, 86 is an ultrasonic transmitter. It is a wave device.

Claims (1)

【実用新案登録請求の範囲】 建設用作業車に当該建設用作業車を中心にして
所定半径の警報検知エリアがカバーできるように
所定の角度間隔で外方に向け放射状に、かつ、方
向調整可能に配列した複数の超音波送受波器と、 前記超音波送受波器に発振信号を加えることに
より所定周波数の超音波を発生させる発振手段と
、 前記建設用作業車の警報検知エリア内に侵入す
る侵入物体が携帯するものであつて、前記超音波
送受波器からの超音波を受信する超音波受波器を
有すると共に、超音波受信時に動作する報知手段
及び前記超音波送受波器と異なる周波数の超音波
を発する超音波送波器を有する侵入物体用超音波
送受波ユニツトと、 前記各超音波送受波器が、前記侵入物体側の超
音波送波器からの超音波信号を受信した時の信号
に基づいて侵入物体を検知し監視する制御手段と
、 を備えたことを特徴とする建設用作業車の作業領
域監視装置。[Scope of Claim for Utility Model Registration] A construction vehicle capable of radially adjusting the direction outward at predetermined angular intervals so as to cover an alarm detection area of a predetermined radius around the construction vehicle. a plurality of ultrasonic transducers arranged in a row; oscillation means for generating ultrasonic waves of a predetermined frequency by applying an oscillation signal to the ultrasonic transducers; The invading object carries an ultrasonic wave receiver that receives ultrasonic waves from the ultrasonic wave transducer, and a notification means that operates when receiving ultrasonic waves and a frequency different from that of the ultrasonic wave transducer. an invading object ultrasonic transducer unit having an ultrasonic transmitter that emits ultrasonic waves, and when each of the ultrasonic transducers receives an ultrasonic signal from the ultrasonic transmitter on the invading object side; A work area monitoring device for a construction work vehicle, comprising: a control means for detecting and monitoring an intruding object based on a signal from the above.
JP1990056787U 1990-05-29 1990-05-29 Work area monitoring device for construction vehicles Expired - Lifetime JP2505275Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990056787U JP2505275Y2 (en) 1990-05-29 1990-05-29 Work area monitoring device for construction vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990056787U JP2505275Y2 (en) 1990-05-29 1990-05-29 Work area monitoring device for construction vehicles

Publications (2)

Publication Number Publication Date
JPH0415663U true JPH0415663U (en) 1992-02-07
JP2505275Y2 JP2505275Y2 (en) 1996-07-24

Family

ID=31580927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990056787U Expired - Lifetime JP2505275Y2 (en) 1990-05-29 1990-05-29 Work area monitoring device for construction vehicles

Country Status (1)

Country Link
JP (1) JP2505275Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021241652A1 (en) * 2020-05-29 2021-12-02 日立建機株式会社 Work machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511597A (en) * 1978-07-06 1980-01-26 Ciba Geigy Ag Novel phosphonite*its manufacture and stabilized organic material containing it
JPS60250275A (en) * 1984-05-25 1985-12-10 Yoshiharu Taniguchi Discrimination method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511597A (en) * 1978-07-06 1980-01-26 Ciba Geigy Ag Novel phosphonite*its manufacture and stabilized organic material containing it
JPS60250275A (en) * 1984-05-25 1985-12-10 Yoshiharu Taniguchi Discrimination method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021241652A1 (en) * 2020-05-29 2021-12-02 日立建機株式会社 Work machine
KR20220130815A (en) * 2020-05-29 2022-09-27 히다찌 겐끼 가부시키가이샤 working machine
US12110662B2 (en) 2020-05-29 2024-10-08 Hitachi Construction Machinery Co., Ltd. Work machine

Also Published As

Publication number Publication date
JP2505275Y2 (en) 1996-07-24

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