JP2569259Y2 - Ultrasonic detector for security - Google Patents
Ultrasonic detector for securityInfo
- Publication number
- JP2569259Y2 JP2569259Y2 JP1990085995U JP8599590U JP2569259Y2 JP 2569259 Y2 JP2569259 Y2 JP 2569259Y2 JP 1990085995 U JP1990085995 U JP 1990085995U JP 8599590 U JP8599590 U JP 8599590U JP 2569259 Y2 JP2569259 Y2 JP 2569259Y2
- Authority
- JP
- Japan
- Prior art keywords
- wave
- sound
- unit
- transmitting
- signal
- 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 - Fee Related
Links
Landscapes
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は家屋や各種施設への無断侵入者を検知し、警
報を発する装置に関する。[Detailed description of the invention] <Industrial application field> The invention relates to a device that detects an unauthorized intruder into a house or various facilities and issues an alarm.
〈従来の技術〉 家屋や各種施設への無断侵入者を検知し警報を発する
ところの超音波検知装置は、通常外部音源から発信され
る音波を受波して電気信号に変換する受波器と、この変
換された音波の識別及び計測を行う制御部と、この音波
に基づいて制御部から出力された信号により警報信号を
出力する警報出力部とから構成されている。<Conventional technology> An ultrasonic detection device that detects an unauthorized intruder in a house or various facilities and issues an alarm usually includes a receiver that receives a sound wave transmitted from an external sound source and converts it into an electric signal. A control unit that identifies and measures the converted sound wave, and an alarm output unit that outputs an alarm signal based on a signal output from the control unit based on the sound wave.
斯かる装置は、無断侵入者が侵入しやすい窓や扉近く
の天井面や壁面に固設される。Such a device is fixed to a ceiling or a wall near a window or a door where an unauthorized intruder easily enters.
そして侵入者がガラス等を破損，破壊する際に生ずる
ところの音波を受波器によって受波し、上述の如く警報
を発するものである。The sound wave generated when the intruder breaks or breaks the glass or the like is received by the receiver, and an alarm is issued as described above.
〈考案が解決しようとする課題〉 しかしながら、無断侵入者は不可測的に侵入する為、
この種の検知装置は常に通電状態にしておく必要があ
る。<Problem to be solved by the invention> However, since an unauthorized intruder intrudes inadvertently,
This type of detection device needs to be always energized.
上述の如く常時通電状態にした場合には、装置の動作
不良や故障等を見過ごし、又発見しても実際に無断侵入
者が侵入した後であっりして警報器としての役割を十分
果たし得ない場合がある。When the power is always turned on as described above, operation failure or failure of the device can be overlooked, and even if it is found, it can play a sufficient role as an alarm after the unauthorized intruder actually enters. May not be.
一方斯かる装置は、上述した如く天井面や壁面に固設
される為、その受波器に塵埃等が蓄積しやすく、又室内
の修繕，改築等に際して壁仕上げ材が張り付いたり、ペ
ンキ等が塗着されたりして受波器の機能を著しく低下さ
せてしまい、通電状態にも拘わらず外部音源からの音波
が受波不能となることもある。On the other hand, such a device is fixed to a ceiling surface or a wall surface as described above, so that dust or the like easily accumulates in the receiver, and a wall finishing material is stuck to the room when the room is repaired or renovated, or paint or the like is applied. Or the like, the function of the receiver is remarkably reduced due to the application of sound waves, and the sound wave from the external sound source may not be received irrespective of the energized state.
又この種の検知装置は、通常所定の周期でメンテナン
スや動作検査が行われる。受波器の機能を検査する場合
は、超音波発生装置等の検査機器を超音波検知装置の近
傍まで搬入しなければならない。しかもこれらのメンテ
ナンス，検査の作業に要する人員や操作にかかる時間等
多くの労力，時間が費やされる。In this type of detection device, maintenance and operation inspection are usually performed at a predetermined cycle. When inspecting the function of the receiver, an inspection device such as an ultrasonic generator must be carried into the vicinity of the ultrasonic detector. In addition, a lot of labor and time, such as personnel required for the maintenance and inspection work and time required for operation, are consumed.
〈課題を解決するための手段〉 本考案の防犯用超音波検知装置は、上記の課題を解決
する為に成されたもので、外部音源から生じる音波のう
ち特定の周波数の音波を受波して電気信号に変換する第
１の受波部と、前記外部音源から生じる音波のうち前記
第１の受波部が受波する音波とは異なる周波数の音波を
受波して電気信号に変換する第２の受波部と、前記第１
の受波部が受波する周波数と略等しい周波数の音波を送
波する第１の送波部と、前記第２の受波部が受波する周
波数と略等しい周波数の音波を送波する第２の送波部
と、予め設定されたスケジュールに従って前記第１およ
び第２の送波部に音波を送波させるとともに、前記第１
および第２の送波部に音波を送波させていないときに前
記第１および第２の受波部の両方から電気信号を得ると
検出信号を出力し、前記第１および第２の送波部の両方
に音波を送波させたときに前記第１および第２の受波部
の両方から電気信号が得られなければ異常信号を出力す
る制御部と、該制御部が出力する検出信号が入力される
と警報信号を出力し、前記制御部が出力する異常信号が
入力されると前記検出信号の場合とは異なる警報信号を
出力する警報出力部とからなることを特徴とするもので
ある。<Means for Solving the Problem> The crime prevention ultrasonic detection device of the present invention is made to solve the above problem, and receives a sound wave of a specific frequency among sound waves generated from an external sound source. A first wave receiving unit that converts the sound wave into an electric signal, and receives a sound wave having a frequency different from that of the sound wave received by the first wave receiving unit among the sound waves generated from the external sound source, and converts the sound wave into an electric signal. A second wave receiving unit;
A first transmitting unit that transmits a sound wave having a frequency substantially equal to the frequency received by the receiving unit, and a second transmitting unit that transmits a sound wave having a frequency substantially equal to the frequency received by the second receiving unit. Transmitting a sound wave to the first and second transmitting units according to a preset schedule;
And when an electric signal is obtained from both the first and second receiving units when no sound wave is transmitted to the second transmitting unit, a detection signal is output, and the first and second transmitting units are output. A control unit that outputs an abnormal signal if an electric signal is not obtained from both the first and second receiving units when a sound wave is transmitted to both of the units; and a detection signal output by the control unit. And an alarm output section for outputting an alarm signal when input, and outputting an alarm signal different from the detection signal when an abnormal signal output from the control section is input. .
〈作用〉 上記構成の防犯用超音波検知装置によれば、第１およ
び第２の受波部が正常な働きを維持していれば、第１お
よび第２の送波部のそれぞれが音波を送波したときに、
第１および第２の受波部からは電気信号が得られる。よ
って、制御部は、第１および第２の送波部に音波を送波
させていないときに第１および第２の受波部の両方から
電気信号を得ると、外部音源が音波を発したと判定し、
また、第１および第２の送波部に音波を送波させたとき
に第１および第２の受波部の両方から電気信号が得られ
なければ、第１の送波部と第２の受波部とのいずれか一
方または両方が正常な検出機能を発揮していないと判定
する。そして、制御部は、それぞれの場合に応じた警報
信号を警報出力部に出力させる。<Operation> According to the security ultrasonic detection device having the above-described configuration, if the first and second wave receiving units maintain a normal function, each of the first and second wave transmitting units emits a sound wave. When transmitting,
An electric signal is obtained from the first and second wave receiving units. Therefore, when the control unit obtains an electric signal from both the first and second receiving units when the first and second transmitting units do not transmit the sound wave, the external sound source emits the sound wave. Is determined,
In addition, when an electric signal is not obtained from both the first and second receiving units when sound waves are transmitted to the first and second transmitting units, the first transmitting unit and the second transmitting unit It is determined that one or both of the wave receiving units do not exhibit a normal detection function. Then, the control unit causes the alarm output unit to output an alarm signal corresponding to each case.
したがって、この防犯用超音波検知装置では、予め設
定されたスケジュールに従って第１および第２の送波部
に音波を送波させることによって、第１および第２の受
波部の検出機能を定期的に確認でき、しかも第１および
第２の受波部が正常な検出機能を発揮している場合と外
部音源が音波を発した場合とを混同してしまうことがな
い。Accordingly, in this security ultrasonic detection device, the first and second wave transmitting units transmit sound waves in accordance with a preset schedule, thereby periodically detecting the first and second wave receiving units. In addition, the case where the first and second wave receiving units perform the normal detection function and the case where the external sound source emits a sound wave are not confused.
〈実施例〉 次に図面に基づき本考案の防犯用超音波検知装置を詳
細に説明する。<Embodiment> Next, the security ultrasonic detection device of the present invention will be described in detail with reference to the drawings.
第１図は、当該検知装置１の構成概略図を示す図であ
る。すなわち超音波検知装置１は超音波受波部11すなわ
ち受波器と、この受波器からの信号を識別・計測する為
の制御部12と、制御部12で識別・計測された信号に応じ
て警報信号を出力する警報出力部13と、この警報信号に
より警報表示を行う警報器14とから成る。更に上記超音
波受波部11の近傍には、超音波送波部15すなわち送波器
が設けられ、この送波器は制御部12に接続した発振部16
によって、図示しない外部音源から発信される音波の周
波数と略等しい周波数の音波（疑似音波）を発信するも
のである。FIG. 1 is a diagram showing a schematic configuration diagram of the detection device 1. As shown in FIG. That is, the ultrasonic detecting apparatus 1 includes an ultrasonic wave receiving unit 11, that is, a wave receiver, a control unit 12 for identifying and measuring a signal from the wave receiver, and a signal identified and measured by the control unit 12. An alarm output unit 13 for outputting an alarm signal by an alarm and an alarm device 14 for displaying an alarm based on the alarm signal. Further, in the vicinity of the ultrasonic wave receiving unit 11, an ultrasonic wave transmitting unit 15, that is, a wave transmitter is provided. The wave transmitting unit 15 is connected to an oscillation unit 16 connected to the control unit 12.
Thus, a sound wave (pseudo sound wave) having a frequency substantially equal to the frequency of a sound wave transmitted from an external sound source (not shown) is transmitted.
次に超音波送波部15による本装置の点検作業を説明す
る。Next, an inspection operation of the present apparatus by the ultrasonic wave transmitting unit 15 will be described.
先ず発振部16によって、外部音源から発信される音波
の周波数と略等しい周波数が発信され、超音波送波部15
により疑似音波として放出される。この記事音波は超音
波受波部11によって受波され、電気信号に変換されて制
御部12に入力される。この制御部12ではその信号を識別
・計測し、これによって超音波送波部15によって放出さ
れたことが確認される。すなわち制御部12への入力条件
が満たされた場合は、超音波受波部11は正常に機能して
いると判定される。First, the oscillator 16 transmits a frequency substantially equal to the frequency of the sound wave transmitted from the external sound source.
Are emitted as pseudo sound waves. The article sound wave is received by the ultrasonic wave receiving unit 11, converted into an electric signal, and input to the control unit 12. The control unit 12 identifies and measures the signal, thereby confirming that the signal has been emitted by the ultrasonic wave transmitting unit 15. That is, when the input condition to the control unit 12 is satisfied, it is determined that the ultrasonic wave receiving unit 11 is functioning normally.
一方制御部12での識別・計測によって超音波受波部11
が正常に機能していないと判定されると、上記超音波送
波部15から超音波受波部11への入力条件が満たされてお
らず、超音波受波部11に異常が生じたと判定される。こ
の判定によって制御部12から警報出力部13に異常信号が
発せられて、この警報出力部13からは超音波受波部11が
正常に機能している場合とは異なる警報信号が警報器14
へ出力される。On the other hand, the ultrasonic receiving unit 11
If it is determined that is not functioning properly, it is determined that the input conditions from the ultrasonic transmitting unit 15 to the ultrasonic receiving unit 11 are not satisfied, and that an abnormality has occurred in the ultrasonic receiving unit 11. Is done. By this determination, an abnormal signal is issued from the control unit 12 to the alarm output unit 13, and an alarm signal different from that when the ultrasonic wave receiving unit 11 is functioning normally is output from the alarm output unit 13.
Output to
斯かる点検作業においては、警報器14は無断侵入者が
起こした音に対して行う警報と別のもので、例えば単に
ランプを点滅させるものでよい。In such an inspection operation, the alarm 14 is different from an alarm that is issued for a sound generated by an unauthorized intruder, and may be, for example, simply a blinking lamp.
尚、上記超音波送波部15による疑似音波の放出は、図
示しない内蔵タイマーによって発振部16を制御し、一定
時間例えば７時間毎に作動させればよい。The emission of the pseudo acoustic wave by the ultrasonic wave transmitting unit 15 may be performed by controlling the oscillating unit 16 by a built-in timer (not shown) and operating the oscillating unit 16 every predetermined time, for example, every 7 hours.
第２図は、超音波受波部11と超音波送波部15の配置状
態を説明する図である。FIG. 2 is a diagram illustrating an arrangement state of the ultrasonic wave receiving unit 11 and the ultrasonic wave transmitting unit 15.
すなわちケース本体10に対して一対の受波器11a,11b
を有する超音波受波部11と、同一対の送波器15a,15bか
ら成る超音波送波部15を各々対向状態に設けたものであ
る。That is, a pair of receivers 11a, 11b
An ultrasonic wave receiving unit 11 having the above-mentioned structure and an ultrasonic wave transmitting unit 15 including the same pair of transmitters 15a and 15b are provided in opposition to each other.
尚、上記超音波送波部15による疑似音波の放出は、図
示しない内蔵タイマーによって発振部16を制御し、一定
時間例えば７時間毎に作動させればよい。The emission of the pseudo acoustic wave by the ultrasonic wave transmitting unit 15 may be performed by controlling the oscillating unit 16 by a built-in timer (not shown) and operating the oscillating unit 16 every predetermined time, for example, every 7 hours.
第２図はは、超音波受波部11と超音波送波部15の配置
状態を説明する図である。FIG. 2 is a diagram illustrating an arrangement state of the ultrasonic wave receiving unit 11 and the ultrasonic wave transmitting unit 15.
すなわちケース本体10に対して一対の受波器11a,11b
を有する超音波受波部11と、同一対の送波器15a,15bか
ら成る超音波送波部15を各々対向状態に設けたものであ
る。That is, a pair of receivers 11a, 11b
An ultrasonic wave receiving unit 11 having the above-mentioned structure and an ultrasonic wave transmitting unit 15 including the same pair of transmitters 15a and 15b are provided in opposition to each other.
尚、受波器11a,11bは指向性を有するため、各々検知
域へ指向性を持つよう受波器の取付角度が調整されてい
る。Since the receivers 11a and 11b have directivity, the mounting angles of the receivers are adjusted so that each has directivity to the detection area.
この場合受波器11aと送波器15aは、例えば周波数25KH
z用のもので、又受波器11bと送波器15bは同50KHz用のも
のとして夫々構成し、２つの受波器の受波周波数等を比
較分析することにより、ノイズによる誤報が生じなくな
る。よってガラス等の破損，破壊時に生じる広範囲の音
波を確実に受波することが可能となる。In this case, the receiver 11a and the transmitter 15a have a frequency of 25 KH, for example.
For z, the receiver 11b and the transmitter 15b are each configured for the same 50KHz, and by comparing and analyzing the reception frequencies of the two receivers, false reports due to noise do not occur. . Therefore, it is possible to reliably receive a wide range of sound waves generated when the glass or the like is damaged or broken.
又第３図は、ケース本体10において夫々一個の受波器
11と送波器15を設けたものである。この場合は、受波器
11と送波器15は例えば25KHz乃至50KHzの幅の周波数に対
応できる様構成することができる。更には図示はしない
が、ケース本体略中央に受波器と送波器を併置して設け
ることも可能である。FIG. 3 shows a case where one receiver
11 and a transmitter 15 are provided. In this case, the receiver
The transmitter 11 and the transmitter 15 can be configured so as to be compatible with a frequency of, for example, 25 KHz to 50 KHz. Further, although not shown, a receiver and a transmitter can be provided side by side substantially at the center of the case body.
〈考案の効果〉 以上の様に本防犯様超音波検知装置は、受波部の近傍
に備えられた送波部が、予め設定されたスケジュールに
従ってガラス等の被破壊物の破損，破壊時に生じる音波
と略等しい周波数の音波を送波することにより、被破壊
物の破損，破壊の発生と混同することなく受波部の異常
を発見するものであり、次の実用的効果が得られる。<Effects of the Invention> As described above, in the crime-prevention-like ultrasonic detection device, the transmitting unit provided near the receiving unit is generated when a breakable object such as glass breaks or breaks according to a preset schedule. By transmitting a sound wave having substantially the same frequency as the sound wave, an abnormality in the wave receiving portion can be found without being confused with the breakage or breakage of the object to be destroyed, and the following practical effects can be obtained.
定期的に受波部を点検できるので、本検知装置の異
常発生を早期に発見でき、防犯効果を高めることができ
る。Since the wave receiving unit can be inspected periodically, it is possible to detect the occurrence of an abnormality in the detection device at an early stage, and to enhance the crime prevention effect.
受波部の異常を検査する為の検査機器を装置の近く
まで運ぶ必要がなく、検査，メンテナンスを極めて簡単
に行うことができる。There is no need to carry inspection equipment for inspecting the abnormality of the wave receiving unit to the vicinity of the device, so that inspection and maintenance can be performed extremely easily.
特別に検査員を必要とせず、しかも検査の為の時間
を費やすことがないのでメンテナンスに要するコストを
大幅に低減できる。Since no special inspector is required and no time is spent for inspection, the cost required for maintenance can be greatly reduced.
第１図は、本考案に係る超音波検知装置の構成図、 第２図は、受波器と送波器の配置状態を示す図、 第３図は、他の配置状態を説明する図である。 １……超音波検知装置,11……超音波受波部（受波器）,
12……制御部,13……警報出力部,14……警報器,15……
超音波送波部（送波器）,16……発振器。FIG. 1 is a configuration diagram of the ultrasonic detection device according to the present invention, FIG. 2 is a diagram illustrating an arrangement state of a receiver and a transmitter, and FIG. 3 is a diagram illustrating another arrangement state. is there. 1 ... Ultrasonic detector, 11 ... Ultrasonic wave receiver (receiver),
12 ... Control unit, 13 ... Alarm output unit, 14 ... Alarm, 15 ...
Ultrasonic wave transmitter (transmitter), 16 ... Oscillator.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−23298（ＪＰ，Ａ) 特開 昭62−293400（ＪＰ，Ａ) 特開 平２−171997（ＪＰ，Ａ) 特公 昭57−9009（ＪＰ，Ｂ２) 特公 昭59−19396（ＪＰ，Ｂ２) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-23298 (JP, A) JP-A-62-293400 (JP, A) JP-A-2-171997 (JP, A) 9009 (JP, B2) JP-B-59-19396 (JP, B2)
Claims (1)
数の音波を受波して電気信号に変換する第１の受波部
と、 前記外部音源から生じる音波のうち前記第１の受波部が
受波する音波とは異なる周波数の音波を受波して電気信
号に変換する第２の受波部と、 前記第１の受波部が受波する周波数と略等しい周波数の
音波を送波する第１の送波部と、 前記第２の受波部が受波する周波数と略等しい周波数の
音波を送波する第２の送波部と、 予め設定されたスケジュールに従って前記第１および第
２の送波部に音波を送波させるとともに、前記第１およ
び第２の送波部に音波を送波させていないときに前記第
１および第２の受波部の両方から電気信号を得ると検出
信号を出力し、前記第１および第２の送波部の両方に音
波を送波させたときに前記第１および第２の受波部の両
方から電気信号が得られなければ異常信号を出力する制
御部と、 該制御部が出力する検出信号が入力されると警報信号を
出力し、前記制御部が出力する異常信号が入力されると
前記検出信号の場合とは異なる警報信号を出力する警報
出力部と からなることを特徴とする防犯用超音波検知装置。A first wave receiving unit that receives a sound wave of a specific frequency among sound waves generated from an external sound source and converts the sound wave into an electric signal; and the first wave receiving unit among sound waves generated from the external sound source. A second receiver for receiving a sound wave having a frequency different from that of the sound wave received and converting the sound wave into an electric signal; and transmitting a sound wave having a frequency substantially equal to the frequency received by the first wave receiver. A first transmitting unit that transmits a sound wave having a frequency substantially equal to a frequency received by the second receiving unit; and a first transmitting unit that transmits a sound wave having a frequency substantially equal to a frequency received by the second receiving unit. And transmitting electric waves from both the first and second wave receiving units when the first and second wave transmitting units do not transmit sound waves. And the detection signal is output, and when sound waves are transmitted to both the first and second transmitting units, A control unit that outputs an abnormal signal if an electric signal is not obtained from both the first and second wave receiving units; and outputs a warning signal when a detection signal output by the control unit is input; And an alarm output unit that outputs an alarm signal different from the detection signal when the abnormal signal output by the ultrasonic sensor is input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990085995U JP2569259Y2 (en) | 1990-08-15 | 1990-08-15 | Ultrasonic detector for security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990085995U JP2569259Y2 (en) | 1990-08-15 | 1990-08-15 | Ultrasonic detector for security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443281U JPH0443281U (en) | 1992-04-13 |
| JP2569259Y2 true JP2569259Y2 (en) | 1998-04-22 |
Family
ID=31635402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990085995U Expired - Fee Related JP2569259Y2 (en) | 1990-08-15 | 1990-08-15 | Ultrasonic detector for security |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2569259Y2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579009A (en) * | 1980-06-18 | 1982-01-18 | Furukawa Electric Co Ltd | Method of producing crosslinked polyolefin insulated power cable |
| JPS5919396A (en) * | 1982-07-26 | 1984-01-31 | 富士通株式会社 | Communication device containing trestle structure |
| JPS6123298A (en) * | 1984-07-11 | 1986-01-31 | セコム株式会社 | Electronic alarm |
| JPH0827870B2 (en) * | 1986-06-12 | 1996-03-21 | 綜合警備保障株式会社 | Infrared type intruder detector |
| JPH02171997A (en) * | 1988-12-26 | 1990-07-03 | Seiichi Miyazaki | Sensor failure detector |
-
1990
- 1990-08-15 JP JP1990085995U patent/JP2569259Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443281U (en) | 1992-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |