JP2020035132A - Ultrasonic sensing device - Google Patents

Ultrasonic sensing device Download PDF

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JP2020035132A
JP2020035132A JP2018160331A JP2018160331A JP2020035132A JP 2020035132 A JP2020035132 A JP 2020035132A JP 2018160331 A JP2018160331 A JP 2018160331A JP 2018160331 A JP2018160331 A JP 2018160331A JP 2020035132 A JP2020035132 A JP 2020035132A
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ultrasonic
signal
signal processing
abnormality
receiver
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JP6977225B2 (en
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紳策 竹中
Shinsaku Takenaka
紳策 竹中
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Takenaka Engineering Co Ltd
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Abstract

To provide an ultrasonic sensing device which can be promptly installed, eliminate the need of adjustment of an optical axis or the like, and also sense crawl forward.SOLUTION: An ultrasonic sensor 10 comprises: an ultrasonic wave transmitter 11; an ultrasonic wave receiver 12; a transmitting section 13 which drives the ultrasonic wave transmitter; a receiving section 14 which receives a reception signal from the ultrasonic wave receiver; a signal processing section 15 for sensing abnormality on the basis of the signal from the receiving section; and an output section 16 which outputs an alarm signal when abnormality is sensed in the signal processing section. In an ultrasonic sensing device 1, the multiple ultrasonic sensors are connected at a constant interval, can be wound in a rolled shape when stored, and can be spread and installed when used.SELECTED DRAWING: Figure 3

Description

本発明は一時的に使用される場所を臨時に警戒すべき区域において、侵入者を検知するための超音波式検知装置に関するものである。 TECHNICAL FIELD The present invention relates to an ultrasonic detection device for detecting an intruder in an area where temporary use is to be watched temporarily.

従来、侵入者を検知するために投光器と受光器とを対向して設置する赤外線式検知装置を警戒すべき区域の外周に配置し警戒を行っている。
赤外線式検知装置は、一般に特許文献１に記載されているように、投光器と受光器とをそれぞれポールに取り付けて対向させ、検知装置が十分な性能を発揮するためには受光レベルが最大になるように、照準器（例えば特許文献２）を用いて複数の投光部と受光部を上下左右に動かし、それぞれの光軸を調整する必要がある。 2. Description of the Related Art Conventionally, an infrared detection device in which a light emitter and a light receiver are installed facing each other to detect an intruder has been arranged on the outer periphery of an area to be watched for.
In general, as described in Patent Literature 1, an infrared detection device attaches a light emitter and a light receiver to poles to face each other, and the light reception level is maximized for the detection device to exhibit sufficient performance. As described above, it is necessary to move the plurality of light projecting units and the light receiving units up, down, left, and right using an sight (for example, Patent Document 2) to adjust the respective optical axes.

特開２０１０−１５２４２４号公報JP 2010-152424 A 特開２０１０−１５１７４７号公報JP 2010-151747 A

しかしながら、警戒すべき区域は長期に使用される区域だけでなく、イベント会場や自衛隊の移動部隊の野営地などのように一時的に警戒が必要となることがあった。その場合、数百メートル離れていることもある投光部と受光部の光軸調整が必要なため、使用期間の割には設置時間がかかるという問題があった。また、自衛隊の移動部隊の野営地などでは迅速に設置する必要があり、正確な光軸調整ができず、不安定な警戒状態となる可能性があった。また、赤外線の下を匍匐前進された場合、侵入者を検知しない失報状態となる可能性があった。 However, the area to be watched was not only the area used for a long period of time, but also sometimes needed to be temporarily watched, such as at event venues or camps for SDF mobile units. In this case, since the optical axes of the light projecting unit and the light receiving unit, which may be several hundred meters apart, need to be adjusted, there is a problem that it takes a long installation time for the use period. In addition, in the camp of mobile units of the Self-Defense Forces, it was necessary to install the swiftly, and accurate adjustment of the optical axis could not be performed, resulting in an unstable warning state. In addition, when the crawlers move forward under infrared rays, there is a possibility that an unreported state in which an intruder is not detected.

上記課題を解決するために、本発明の超音波式検知装置は、超音波送波器と、超音波受波器と、前記超音波送波器を駆動させる送波部と、前記超音波受波器からの受波信号を受ける受波部と、前記受波部からの信号に基づき異常を検出する信号処理部と、前記信号処理部で異常を検出した時に警報信号を出力する出力部とからなる超音波センサーを、
一定の間隔で複数連結し、
保管時はロール状に巻くことができ、運用時は広げて設置を行えるようにした。 In order to solve the above problems, an ultrasonic detection device of the present invention includes an ultrasonic transmitter, an ultrasonic receiver, a transmitting unit that drives the ultrasonic transmitter, and the ultrasonic receiver. A receiving unit that receives a received signal from a wave receiver, a signal processing unit that detects an abnormality based on a signal from the receiving unit, and an output unit that outputs an alarm signal when the signal processing unit detects an abnormality. Ultrasonic sensor consisting of
Connect multiple at regular intervals,
It can be wound into a roll during storage, and can be spread out for installation during operation.

本発明の検知装置は超音波式であるため、赤外線式とは異なり、光軸調整が不要であり、地面や床に置くだけで設置でき、設置時間の短縮につながる。また、ロール状で保管できるため、可搬性に優れている。また、広げるだけで設置が可能であるため、設置、撤収にかかる時間が短く、一時的な警戒区域に使用するのに便利である。また、地面から検知エリアができているため、侵入者が匍匐前進をしても検知することができ、失報になることはない。 Since the detection device of the present invention is of the ultrasonic type, unlike the infrared type, it does not require optical axis adjustment and can be installed simply by placing it on the ground or the floor, leading to a reduction in installation time. Also, since it can be stored in a roll, it is excellent in portability. In addition, since installation is possible simply by spreading, the time required for installation and withdrawal is short, which is convenient for use in a temporary security area. Further, since the detection area is formed from the ground, even if the intruder moves forward by crawling, it can be detected, and there is no unreporting.

本発明の超音波式検知装置の実施形態の警戒状態を示した図である。It is the figure which showed the alert state of embodiment of the ultrasonic detection apparatus of this invention. 本発明の超音波式検知装置の実施形態の第１の保管状態を示した図である。It is a figure showing the 1st storage state of an embodiment of an ultrasonic type detecting device of the present invention. 本発明の超音波式検知装置の実施形態のブロック図である。It is a block diagram of an embodiment of an ultrasonic detection device of the present invention. 本発明の超音波式検知装置の実施形態の第２の保管状態を示した図である。It is a figure showing the 2nd storage state of an embodiment of an ultrasonic type detecting device of the present invention.

図３は本発明の超音波式検知装置の実施形態のブロック図である。
超音波式検知装置１には複数の超音波センサー１０を備えている。各超音波センサーは超音波送波器１１、超音波受波器１２、送波部１３、受波部１４、信号処理部１５、出力部１６で構成されている。 FIG. 3 is a block diagram of an embodiment of the ultrasonic detection device of the present invention.
The ultrasonic detection device 1 includes a plurality of ultrasonic sensors 10. Each ultrasonic sensor includes an ultrasonic transmitter 11, an ultrasonic receiver 12, a transmitting unit 13, a receiving unit 14, a signal processing unit 15, and an output unit 16.

送波部１３において、超音波送波器１１から超音波を送波させるための信号を発生させ、侵入者により反射した超音波を超音波受波器１２で受波し、超音波受波器１２からの受波信号を受波部１４で増幅、検波を行う。信号処理部１５において、受波部１４からの信号に応じて異常を検出し、異常を検出した時に出力部１６から警報信号を出力する。 In the transmitting unit 13, a signal for transmitting an ultrasonic wave is generated from the ultrasonic transmitter 11, and the ultrasonic wave reflected by the intruder is received by the ultrasonic receiver 12, and the ultrasonic receiver The reception signal from the amplifier 12 is amplified and detected by the reception unit 14. The signal processing unit 15 detects an abnormality according to the signal from the wave receiving unit 14, and outputs an alarm signal from the output unit 16 when the abnormality is detected.

図１は本発明の超音波式検知装置の実施形態の警戒状態を示した図である。
超音波式検知装置１は、複数の超音波センサー１０が柔軟性のある材料２０で長手方向に一定間隔で連結された構成となっている。また、各超音波センサー１０は上部が検知エリアＡを構成するように配置されている。各超音波センサー１０の間隔は、侵入者が超音波センサー１０と超音波センサー１０の間のどこを通っても検知エリアＡを通ることになる間隔とすることが望ましい。 FIG. 1 is a diagram showing an alert state of an embodiment of the ultrasonic detection device of the present invention.
The ultrasonic detection device 1 has a configuration in which a plurality of ultrasonic sensors 10 are connected at regular intervals in a longitudinal direction with a flexible material 20. In addition, each ultrasonic sensor 10 is arranged so that the upper portion forms a detection area A. The interval between the ultrasonic sensors 10 is desirably set so that the intruder passes through the detection area A regardless of where the intruder passes between the ultrasonic sensors 10.

この構成により、超音波式検知装置１は、地面や床に置くだけで警戒状態となり、赤外線式検知装置とは異なり、光軸調整が不要であり、設置時間の短縮につながる。また、地面から検知エリアができているため、侵入者が匍匐前進をしても失報になることはない。 With this configuration, the ultrasonic detection device 1 is placed in the alert state only by placing it on the ground or the floor. Unlike the infrared detection device, the optical axis adjustment is not required, and the installation time is shortened. In addition, since the detection area is formed from the ground, there is no unreporting even if the intruder moves forward.

図２は、本発明の超音波式検知装置の実施形態の第１の保管状態を示した図である。柔軟性のある材料２０を使用しているため、不使用時はロール状に巻いて保管が可能である。ロール状で保管できるため可搬性に優れている。また、ロール状から広げるだけで警戒状態にできるため、迅速に設置、撤収を行うことができる。 FIG. 2 is a diagram showing a first storage state of the embodiment of the ultrasonic detection device of the present invention. Because the flexible material 20 is used, it can be stored in a roll when not in use. Excellent portability because it can be stored in roll form. In addition, since it is possible to be alert just by spreading from a roll, installation and withdrawal can be performed quickly.

また、上述の実施形態では、送波器と受波器とを個別としたが、ひとつで送波器と受波器を兼用できる素子を使用してもよい。また、図１では検知エリアＡを超音波式検知装置の真上方向に存在させているが、斜め方向に角度を付けて存在させてもよい。また、図２では円状に巻いているが、四角など他の形状で巻いてもよい。また、上述の実施形態では、超音波センサーを柔軟性のある材料で連結を行っていたが、柔軟性のない材料としてもよく、その場合は、図４のように超音波検知装置を単一または複数の超音波センサーごとに折れる構造とし、多角形の形状で巻いて保管してもよい。 Further, in the above-described embodiment, the transmitter and the receiver are individually provided, but an element which can serve as both the transmitter and the receiver may be used. Further, in FIG. 1, the detection area A is present directly above the ultrasonic detection device, but may be present at an angle in an oblique direction. In addition, although it is wound in a circular shape in FIG. In the above-described embodiment, the ultrasonic sensors are connected with a flexible material. However, the ultrasonic sensors may be made of a non-flexible material. In this case, as shown in FIG. Alternatively, it may be configured to be broken for each of a plurality of ultrasonic sensors, and may be wound and stored in a polygonal shape.

以上、本発明の実施形態を説明したが、上述の実施形態は例として提示したものであり、発明の範囲は、これに限定するものではなく、その他の様々な形態で実施されることが可能であり、特許請求の範囲に記載された発明の範囲とその均等の範囲に含まれるものである。 The embodiment of the present invention has been described above. However, the above-described embodiment is presented as an example, and the scope of the invention is not limited to this, and can be implemented in other various forms. , And are included in the scope of the invention described in the claims and the equivalents thereof.

１・・・超音波式検知装置
１０・・・超音波センサー
１１・・・超音波送波器
１２・・・超音波受波器
１３・・・送波部
１４・・・受波部
１５・・・信号処理部
１６・・・出力部
２０・・・柔軟性のある材料
Ａ・・・検知エリア DESCRIPTION OF SYMBOLS 1 ... Ultrasonic type detection apparatus 10 ... Ultrasonic sensor 11 ... Ultrasonic wave transmitter 12 ... Ultrasonic wave receiver 13 ... Transmitting part 14 ... Receiving part 15 ..Signal processing section 16 ... Output section 20 ... Flexible material A ... Detection area

Claims (2)

超音波送波器と、超音波受波器と、
前記超音波送波器を駆動させる送波部と、
前記超音波受波器からの受波信号を受ける受波部と、
前記受波部からの信号に基づき異常を検出する信号処理部と、
前記信号処理部で異常を検出した時に警報信号を出力する出力部とからなる超音波センサーを、
一定の間隔で複数連結し、
保管時はロール状に巻くことができ、運用時は広げて設置を行うことができることを特徴とする超音波式検知装置。 An ultrasonic transmitter, an ultrasonic receiver,
A transmitting unit that drives the ultrasonic transmitter,
A receiving unit that receives a received signal from the ultrasonic receiver,
A signal processing unit that detects an abnormality based on a signal from the wave receiving unit,
An ultrasonic sensor comprising an output unit that outputs an alarm signal when an abnormality is detected in the signal processing unit,
Connect multiple at regular intervals,
An ultrasonic detection device characterized in that it can be wound in a roll shape during storage, and can be spread out and installed during operation. 前記超音波センサーを、柔軟性のある材料により、一定の間隔で複数連結した請求項１に記載の超音波式検知装置。 The ultrasonic detecting device according to claim 1, wherein a plurality of the ultrasonic sensors are connected at a predetermined interval by a flexible material.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000329842A (en) * 1999-05-17 2000-11-30 Hitachi Ltd Ultrasonic transducer
JP2001073594A (en) * 1999-09-01 2001-03-21 Oga Kensetsu Kk Sensor buried outer structure constituent member and sensor buried outer structure structural body
US20050024208A1 (en) * 2003-07-28 2005-02-03 Maki Melvin C. Compact security sensor system
JP2007192649A (en) * 2006-01-19 2007-08-02 Toshiba Corp Three-dimensional ultrasonic inspecting apparatus
JP2014089142A (en) * 2012-10-31 2014-05-15 Toshiba Corp Ultrasonic water level measuring device and ultrasonic water level measurement method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000329842A (en) * 1999-05-17 2000-11-30 Hitachi Ltd Ultrasonic transducer
JP2001073594A (en) * 1999-09-01 2001-03-21 Oga Kensetsu Kk Sensor buried outer structure constituent member and sensor buried outer structure structural body
US20050024208A1 (en) * 2003-07-28 2005-02-03 Maki Melvin C. Compact security sensor system
JP2007192649A (en) * 2006-01-19 2007-08-02 Toshiba Corp Three-dimensional ultrasonic inspecting apparatus
JP2014089142A (en) * 2012-10-31 2014-05-15 Toshiba Corp Ultrasonic water level measuring device and ultrasonic water level measurement method

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