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JP4062238B2 - Crime prevention system - Google Patents

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JP4062238B2
JP4062238B2 JP2003379111A JP2003379111A JP4062238B2 JP 4062238 B2 JP4062238 B2 JP 4062238B2 JP 2003379111 A JP2003379111 A JP 2003379111A JP 2003379111 A JP2003379111 A JP 2003379111A JP 4062238 B2 JP4062238 B2 JP 4062238B2
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detection unit
unit
detection
light receiving
side terminal
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JP2005141594A (en
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達司 大野
真治 足立
信諭 門脇
敏裕 田中
大樹 松崎
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Description

本発明は、防犯スペース内への侵入を検出する防犯システムに関するものである。   The present invention relates to a crime prevention system that detects intrusion into a crime prevention space.

従来から、建物の外構フェンスなどの防犯スペースの外縁にめぐらせる防犯システムは、防犯スペースの外縁に沿わせて輻射線（たとえば赤外線）を投光する投光ユニットと投光ユニットからの赤外線を受光する受光ユニットとを防犯スペースの外縁に沿って順に並べて配置し、投光ユニットからの赤外線の受光ユニットでの受光状態に基いて隣接する投光ユニットと受光ユニットとの間を通って防犯スペースに侵入しようとする侵入物の有無を判定し、侵入物が有ることを判定した際には警報などの報知装置を作動させたりして、侵入物を威嚇、撃退するようにしたものが知られている（たとえば特許文献１参照）。しかし、上記防犯システムの設置作業は別体である受光ユニット及び投光ユニットを所定位置にそれぞれ配置していかねばならず、ユニットの配置数の多さによって防犯システムの設置作業は煩雑なものとなっていた。   Conventionally, a crime prevention system that goes around the outer edge of a crime prevention space such as a fence outside a building has received a infrared ray from a light emitting unit that emits radiation (for example, infrared rays) along the outer edge of the crime prevention space and the infrared ray from the light emitting unit. The light receiving units are arranged in order along the outer edge of the security space, and pass through the space between the adjacent light projecting units and the light receiving unit based on the light receiving state of the infrared light receiving unit from the light projecting unit. It is known that the presence or absence of an intruder to invade is determined, and when it is determined that there is an intruder, a warning device such as an alarm is activated to intimidate and repel the intruder. (For example, refer to Patent Document 1). However, the installation work of the security system described above requires that the light receiving unit and the light projecting unit, which are separate bodies, be arranged at predetermined positions, respectively, and the installation work of the security system is complicated due to the large number of units arranged. It was.

しかして、あらかじめ赤外線を発する投光部と投光部が発した赤外線を受光する受光部とを１つの検知ユニット内に収め、この検知ユニットを防犯スペースの外縁にそって順に並べて配置して防犯システムを構成することで、投光ユニットと受光ユニットとが別体の先の防犯システムに比べてユニットの配置数を低減しようとするものが考えられている。   Therefore, the light projecting unit that emits infrared light and the light receiving unit that receives the infrared light emitted by the light projecting unit are housed in one detection unit, and the detection units are arranged in order along the outer edge of the security space. By constructing a system, it is considered that the number of units arranged is reduced compared to a security system in which the light projecting unit and the light receiving unit are separated from each other.

この防犯システムにあっては、投光部と受光部とを有する検知ユニットを防犯スペースの外周に亙るように環状に順に並べて配置した場合には、各検知ユニットの投光部から投光された赤外線を隣接する検知ユニットの受光部に受信させるように配列させることができるのであるが、必要な防犯スペースの形状などから検知ユニットをたとえば直線的など、環状に配置させない場合には、防犯システムの端部に位置する検知ユニットが存在することになる。この防犯システムの端部に位置する検知ユニットの受光部が防犯システムの端部方向を向いている場合には、防犯システムの端部方向には他の検知ユニットが無いことから、この検知ユニットの受光部は当然に投光部からの赤外線を受光できるものではないのであるが、この受光部が投光部からの赤外線を受光しないという事実に基いて赤外線を遮った侵入物が有るという誤った判定をしてしまうものであった。しかして現状では、この防犯システムにあっては、侵入物有無に係る上記の誤った判定を回避するべく、あらかじめ各検知ユニットには受光部の機能停止を行わせる手動スイッチが設けられ、防犯システムの端部に位置した検知ユニットの手動スイッチを施工現場で適宜オフ操作することが行われているが、検知ユニットに手動スイッチを付設することはコスト高を招くものであり、また施工現場での手動スイッチのオフ操作は煩雑で且つ施工ミス発生の恐れもあるのであった。
特開２００２−１５３８０号公報 In this crime prevention system, when the detection units having the light projecting part and the light receiving part are arranged in order in an annular manner so as to extend over the outer periphery of the security space, the light is projected from the light projecting part of each detection unit. Infrared rays can be arranged to be received by the light receiving part of the adjacent detection unit, but if the detection unit is not arranged in a ring shape, for example, linearly due to the shape of the necessary security space, the security system There will be a detection unit located at the end. When the light receiving part of the detection unit located at the end of the security system faces the end of the security system, there is no other detection unit in the direction of the security system. Of course, the light receiving unit is not capable of receiving the infrared light from the light projecting unit, but it is erroneous that there is an intruder that blocks the infrared light based on the fact that this light receiving unit does not receive the infrared light from the light projecting unit. Judgment was made. Therefore, at present, in this crime prevention system, each detection unit is provided with a manual switch for stopping the function of the light receiving unit in advance in order to avoid the erroneous determination regarding the presence or absence of intruders. Although the manual switch of the detection unit located at the end of the sensor is turned off appropriately at the construction site, it is expensive to attach the manual switch to the detection unit. The manual switch-off operation is cumbersome and may cause construction errors.
JP 2002-15380 A

本発明は上記の従来の問題点に鑑みて発明したものであって、防犯システムの端部に位置した検知ユニットの受光部での誤まった判定を確実に無くするようにでき、加えて、検知ユニット配設の施工ミスも無くするようにできる防犯システムを提供することを課題とするものである。   The present invention has been invented in view of the above-described conventional problems, and can reliably eliminate erroneous determinations at the light receiving unit of the detection unit located at the end of the security system. It is an object of the present invention to provide a crime prevention system that can eliminate a construction error in arranging a detection unit.

上記課題を解決するために本発明の請求項１に係る防犯システムは、投光部１及び受光部２と入力側端子３及び送り側端子４とを備えた検知ユニット５を防犯スペースの外縁に沿って複数個間隔をあけて配置し、電源部６からの給電線７を任意の検知ユニット５の入力側端子３に接続し、この検知ユニット５の送り側端子４から送り配線８を隣接する検知ユニット５の入力側端子３に順に接続するようにして各検知ユニット５に給電し、給電された各検知ユニット５の投光部１から輻射線を投光して隣接する検知ユニット５の受光部２でこの輻射線を受光可能にし、投光部１からの輻射線の受光部２での受光状態の検知に基いて隣接する検知ユニット５間を通って防犯スペースに侵入する侵入物の有無を判定するようにした防犯システムにおいて、各検知ユニット５に入力側端子３及び送り側端子４への給電線７または送り配線８の接続の有無を検知する接続検知部９を設け、防犯システムの施工後の初動時における接続検知部９の検知結果と受光部２の検知結果に基いて検知ユニット５の配設位置及び検知ユニット５の配設状態の適否を判定する判定部１０を設け、接続検知部９にて送り側端子４への送り配線８の接続のみを検知すると共に受光部２にて投光部１からの輻射線の受光が無いことを検知したことに基いて判定部１０で検知ユニット５が防犯システムの端部位置にあり且つ検知ユニット５の配設状態が正常であることを判定したときに検知ユニット５の受光部２を機能停止させる制御部１１を設けたことを特徴とする。   In order to solve the above-mentioned problem, the crime prevention system according to claim 1 of the present invention includes a detection unit 5 including a light projecting unit 1, a light receiving unit 2, an input side terminal 3, and a feed side terminal 4 at the outer edge of the crime prevention space. The feeder line 7 from the power supply unit 6 is connected to the input side terminal 3 of an arbitrary detection unit 5, and the feed wiring 8 is adjacent to the feed side terminal 4 of the detection unit 5. Power is supplied to each detection unit 5 so as to be connected to the input-side terminal 3 of the detection unit 5 in order, and radiation is emitted from the light projecting unit 1 of each power-supplied detection unit 5 to receive light from adjacent detection units 5. The presence or absence of an intruder that enters the security space through the adjacent detection units 5 based on the detection of the light reception state at the light receiving unit 2 of the radiation from the light projecting unit 1 by allowing the unit 2 to receive the radiation. In a security system designed to judge In addition, each detection unit 5 is provided with a connection detection unit 9 that detects the presence or absence of the connection of the feeder line 7 or the feed line 8 to the input side terminal 3 and the feed side terminal 4, and the connection detection at the initial operation after the construction of the security system A determination unit 10 is provided for determining whether the arrangement position of the detection unit 5 and the arrangement state of the detection unit 5 are appropriate based on the detection result of the unit 9 and the detection result of the light receiving unit 2. 4, and the detection unit 5 detects the end of the crime prevention system in the determination unit 10 based on the fact that the light reception unit 2 detects only the connection of the feed wiring 8 to the transmission line 4 and does not receive the radiation from the light projecting unit 1. The control unit 11 is provided to stop the function of the light receiving unit 2 of the detection unit 5 when it is determined that the detection unit 5 is in the normal position and the arrangement state of the detection unit 5 is normal.

これによると、検知ユニット５を防犯スペースの外縁に沿って順に配置させると共に各検知ユニット５に給電線７や送り配線８を適宜接続させた防犯システムの施工後において、試運転時など初めて防犯システムに給電させた際に、接続検知部９にて送り側端子４への送り配線８の接続のみを検知すると共に受光部２にて投光部１からの輻射線（たとえば赤外線１３）の受光が無いことを検知した検知ユニット５は、判定部１０によってこの検知ユニット５が防犯システムの端部位置にあり且つ配設状態は正常であることが判定され、この判定部１０の判定を受けて制御部１１によってこの検知ユニット５の受光部２の機能を自動的に停止させるのであり、その後の防犯システムの使用状態で端部に位置した検知ユニット５の受光部２での侵入物有無にかかる誤った判定を確実に無くするようにできる。   According to this, after the construction of the security system in which the detection units 5 are arranged in order along the outer edge of the security space and the power supply lines 7 and the feed wirings 8 are appropriately connected to the detection units 5, the security system will be used for the first time, such as during a trial operation. When power is supplied, the connection detecting unit 9 detects only the connection of the feed wiring 8 to the sending side terminal 4 and the light receiving unit 2 does not receive radiation (for example, infrared rays 13) from the light projecting unit 1. When the detection unit 5 detects this, the determination unit 10 determines that the detection unit 5 is at the end position of the crime prevention system and the arrangement state is normal, and the control unit receives the determination of the determination unit 10 11, the function of the light receiving unit 2 of the detection unit 5 is automatically stopped, and the detection unit 5 of the detection unit 5 located at the end in the subsequent use state of the security system is violated. Possible to eliminate ensures determination incorrect according to the object presence.

また、請求項２に係る防犯システムは、請求項１において、防犯システムの施工後の初動時に、接続検知部９にて送り側端子４への送り配線８の接続のみを検知すると共に受光部２にて投光部１からの輻射線の受光が有ることを検知したことに基いて判定部１０で検知ユニット５が防犯システムの端部位置にあり且つ検知ユニット５の配設状態が異常であることを判定したときに検知ユニット５の配設状態の異常を報知する報知部１２を設けたことを特徴とする。   Further, the crime prevention system according to claim 2 is the light detection unit 2 according to claim 1, wherein the connection detection unit 9 detects only the connection of the feed wiring 8 to the feed side terminal 4 at the initial operation after the construction of the security system. The detection unit 5 is in the end position of the security system in the determination unit 10 based on the detection of the reception of the radiation from the light projecting unit 1 in the state, and the arrangement state of the detection unit 5 is abnormal. When this is determined, a notification unit 12 is provided for notifying abnormality of the arrangement state of the detection unit 5.

これによると、検知ユニット５を防犯スペースの外縁に沿って順に配置させると共に各検知ユニット５に給電線７や送り配線８を適宜接続させた防犯システムの施工後において、試運転時など初めて防犯システムに給電させた際に、接続検知部９にて送り側端子４への送り配線８の接続のみを検知すると共に受光部２にて投光部１からの輻射線（たとえば赤外線１３）の受光が有ることを検知した検知ユニット５は、判定部１０によって防犯システムの端部位置にあり且つ検知ユニット５の配設状態が異常である（施工ミスが有る）ことが判定され、この判定部１０の判定を受けて報知部１２によって検知ユニット５の配設に施工ミスがあることが施工者に報知されるのであり、施工者に防犯システムの中の施工ミスの存在を認識させることができ、施工ミスを認識した施工者によって早期の検知ユニット５の再配設施工を促すことができる。   According to this, after the construction of the security system in which the detection units 5 are arranged in order along the outer edge of the security space and the power supply lines 7 and the feed wirings 8 are appropriately connected to the detection units 5, the security system will be used for the first time, such as during a trial operation. When power is supplied, the connection detection unit 9 detects only the connection of the sending wiring 8 to the sending side terminal 4 and the light receiving unit 2 receives radiation (for example, infrared rays 13) from the light projecting unit 1. The detection unit 5 that detects this is determined by the determination unit 10 to be at the end position of the crime prevention system and the arrangement state of the detection unit 5 is abnormal (there is a construction error). In response, the informing unit 12 notifies the installer that there is a construction error in the arrangement of the detection unit 5, and makes the installer recognize the presence of the construction mistake in the security system. Can, it is possible to prompt a re-arrangement and construction of early detection unit 5 by construction who recognize the construction mistakes.

また、請求項３に係る防犯システムは、請求項１または請求項２において、防犯システムの施工後の初動時に、接続検知部９にて入力側端子３及び送り側端子４の両方に送り配線８または給電線７が接続されたことを検知すると共に受光部２にて投光部１からの輻射線の受光が無いことを検知したことに基いて判定部１０で検知ユニット５が防犯システムの中央位置にあり且つ配設状態が異常であることを判定したときに検知ユニット５の配設状態の異常を報知する報知部１２を設けたことを特徴とする。   Further, the crime prevention system according to claim 3 is the transmission wire 8 according to claim 1 or claim 2, wherein the connection detection unit 9 feeds both the input side terminal 3 and the feed side terminal 4 at the initial operation after the construction of the crime prevention system. Alternatively, the detection unit 5 is connected to the center of the crime prevention system by the determination unit 10 based on the fact that the power supply line 7 is detected and the light reception unit 2 detects that no radiation is received from the light projecting unit 1. It is characterized in that a notification unit 12 is provided for notifying the abnormality of the arrangement state of the detection unit 5 when it is determined that the position and the arrangement state are abnormal.

これによると、検知ユニット５を防犯スペースの外縁に沿って順に配置させると共に各検知ユニット５に給電線７や送り配線８を適宜接続させた防犯システムの施工後において、試運転時などの初めて各検知ユニット５に給電させた際に、接続検知部９にて入力側端子３及び送り側端子４の両方に送り配線８または給電線７が接続されたことを検知すると共に受光部２にて投光部１からの輻射線（たとえは赤外線１３）の受光が無いことを検知した検知ユニット５は、判定部１０によって防犯システムの中央位置にあり且つ検知ユニット５の配設状態が異常である（施工ミスが有る）ことが判定され、この判定部１０の判定を受けて報知部１２によって検知ユニット５の配設状態に施工ミスがあることが施工者に報知されるのであり、施工者に防犯システムの中の施工ミスの存在を認識させることができ、施工ミスを認識した施工者によって早期の検知ユニット５の再配設施工を促すことができる。   According to this, the detection units 5 are sequentially arranged along the outer edge of the crime prevention space and each detection unit is detected for the first time at the time of trial operation after the construction of the crime prevention system in which the power supply line 7 and the feed wiring 8 are appropriately connected to each detection unit 5. When power is supplied to the unit 5, the connection detection unit 9 detects that the feed wiring 8 or the feed line 7 is connected to both the input side terminal 3 and the feed side terminal 4 and emits light at the light receiving unit 2. The detection unit 5 that has detected that no radiation (for example, infrared rays 13) is received from the unit 1 is located at the center position of the security system by the determination unit 10 and the arrangement state of the detection unit 5 is abnormal (construction) In response to the determination of the determination unit 10, the notification unit 12 notifies the installer that there is a construction error in the arrangement state of the detection unit 5. It is possible to recognize the presence of construction errors in the security system may prompt re arrangement construction of early detection unit 5 by the builders that recognized construction mistakes.

本発明の防犯システムは、投光部及び受光部を備えた検知ユニットがその受光部を防犯システムの端部方向に向けて防犯システムの端部位置に配置された場合には、防犯システムの施工後の初動時に、接続検知部にて送り側端子への送り配線の接続のみが検知されると共に受光部にて投光部からの輻射線の受光の無いことが検知され、この接続検知部及び受光部の検知結果を受けて判定部にてこの検知ユニットが防犯システムの端部位置にあり且つ配設状態が正常であることが判定され、この判定部の判定結果を受けて制御部によってこの検知ユニットの受光部の機能を自動的に停止させることができるのであり、その後の防犯システムの使用状態では、防犯システムの端部に位置した検知ユニットの受光部の侵入物有無にかかる誤った判定を確実に無くするようにでき、したがって防犯システムの侵入物検知にかかる確実性を向上させ得るといった利点を有している。更に言うと、従来のように検知ユニットに手動スイッチを設ける必要はなく、手動スイッチ付設に係る検知ユニットのコスト増や手動スイッチの操作に係る施工作業の煩雑化をも回避できる利点も有している。   The security system according to the present invention is configured such that when the detection unit including the light projecting unit and the light receiving unit is arranged at the end position of the security system with the light receiving unit directed toward the end of the security system, At the time of the subsequent initial movement, only the connection of the feed wiring to the feed side terminal is detected by the connection detection unit, and the absence of reception of radiation from the light projecting unit is detected by the light receiving unit. In response to the detection result of the light receiving unit, the determination unit determines that the detection unit is at the end position of the security system and the arrangement state is normal, and the control unit receives the determination result of the determination unit. The function of the light receiving unit of the detection unit can be automatically stopped, and in the subsequent use of the security system, an erroneous determination regarding the presence or absence of an intruder in the light receiving unit of the detection unit located at the end of the security system Reliably it is so eliminated, thus have the advantage of certainty according to intruder detection security system can be improved. Furthermore, there is no need to provide a manual switch in the detection unit as in the prior art, and there is an advantage that it is possible to avoid the increase in cost of the detection unit related to the manual switch installation and the complicated construction work related to the operation of the manual switch. Yes.

以下、本発明を添付図面に示す実施形態に基いて説明する。本例の防犯システムは、図１（ａ）に示すように、投光部１及び受光部２とを備えた検知ユニット５を防犯スペースの外縁に沿って複数個間隔をあけて配置し、投光部１から輻射線（たとえば赤外線１３）を投光して隣接する検知ユニット５の受光部２でこの赤外線１３を受光可能にし、投光部１からの赤外線１３の受光部２での受光状態の検知に基いて隣接する検知ユニット５間を通って防犯スペースに侵入する侵入物の有無を判定するようにした従来の防犯システムを踏襲する防犯システムあるが、検知ユニット５を環状に配置させないことで防犯システムの端部に位置した検知ユニット５においてその受光部２が赤外線１３を受光しないという当然の事実によって誤って侵入物有りの判定をしてしまうといった従来の防犯システムの問題点を解消できたことに大きな特徴を有したものである。以下、詳述する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. In the crime prevention system of this example, as shown in FIG. 1A, a plurality of detection units 5 each having a light projecting unit 1 and a light receiving unit 2 are arranged at intervals along the outer edge of the crime prevention space. A light ray (for example, infrared ray 13) is projected from the light unit 1 so that the infrared ray 13 can be received by the light receiving unit 2 of the adjacent detection unit 5, and the light receiving state of the infrared ray 13 from the light projecting unit 1 at the light receiving unit 2 There is a security system that follows the conventional security system that determines the presence or absence of intruders that enter the security space through the adjacent detection units 5 based on the detection of the detection unit, but the detection unit 5 should not be arranged in a ring In the conventional security system, the detection unit 5 located at the end of the security system will mistakenly determine that there is an intruder due to the fact that the light receiving unit 2 does not receive the infrared rays 13. Those having a major feature that could eliminate the point. Details will be described below.

本例の防犯システムは同構造の複数の検知ユニット５にて構成されている。検知ユニット５には赤外線１３を照射する投光部１及び赤外線１３を受光する受光部２がその対向面に配設されている。詳しくは、検知ユニット５の外面における一側面に投光部１が配設され、この一側面に対向する他側面に受光部２が配設されている。また、検知ユニット５には入力側端子３と送り側端子４とが備えられている。防犯システムを構築すべく複数個の検知ユニット５を間隔をあけて並設した際には、電源部６から延出された給電線７を任意の検知ユニット５の入力側端子３に接続し、この検知ユニット５の送り側端子４に送り配線８を接続し、この送り配線８を隣接する検知ユニット５の入力側端子３に接続し、この検知ユニット５の送り側端子４に更に送り配線８を接続し、この送り配線８を更に隣接する検知ユニット５の入力側端子３に接続させる、といったことを繰り返して各検知ユニット５に送り配線８を接続していき、各検知ユニット５に給電できるようにしている。検知ユニット５はこの給電によって各機能部（投光部１や受光部２や後述する各部）の作動が確保されている。ここで、図１（ａ）の防犯システムでは、電源部６を防犯システムの一端部に配置し、電源部６のある防犯システムの一端部に位置した検知ユニット５の入力側端子３に給電線７を接続し、この検知ユニット５の送り側端子４から送り配線８を防犯システムの他端方向に隣接する検知ユニット５の入力側端子３に接続し、更にこの検知ユニット５の送り側端子４から送り配線８を更に他端方向に隣接する検知ユニット５の入力側端子３に接続するようにしてある。この防犯システムの他端部に位置した検知ユニット５にあっては、その入力側端子３には防犯システムの一端方向に隣接する検知ユニット５の送り側端子４から延出された送り配線８が接続されているものの、防犯システムの他端部の検知ユニット５よりも防犯システムの他端方向には検知ユニット５は配設されていないので、当然、その送り側端子４には送り配線８は接続されていない。このような入力側端子３にのみに送り配線８が接続された検知ユニット５を防犯システムの端部に位置する検知ユニット５といい、入力側端子３及び送り側端子４の両方に送り配線８または給電線７が接続された検知ユニット５を防犯システムの中央位置に位置する検知ユニット５というものとする。なお、図１（ａ）では検知ユニット５は直線的に配置されていて投光部１と隣接する検知ユニット５の受光部２とは対向する位置に配置されているが、投光部１は赤外線１３の照射角度を自在に設定可能にされており、必ずしも投光部１と隣接する検知ユニット５の受光部２とを対向位置に配置させないでも、投光部１からの赤外線１３の照射角度を適宜角度に設定することで、投光部１からの赤外線１３を隣接する検知ユニット５の受光部２にて受光させることができるようになっている。   The crime prevention system of this example is composed of a plurality of detection units 5 having the same structure. In the detection unit 5, a light projecting unit 1 that irradiates infrared rays 13 and a light receiving unit 2 that receives infrared rays 13 are arranged on the opposing surfaces. Specifically, the light projecting unit 1 is disposed on one side surface on the outer surface of the detection unit 5, and the light receiving unit 2 is disposed on the other side surface facing the one side surface. The detection unit 5 includes an input side terminal 3 and a feed side terminal 4. When a plurality of detection units 5 are arranged side by side in order to construct a crime prevention system, the feeder line 7 extended from the power supply unit 6 is connected to the input side terminal 3 of the arbitrary detection unit 5, The feed wiring 8 is connected to the feed side terminal 4 of the detection unit 5, the feed wiring 8 is connected to the input side terminal 3 of the adjacent detection unit 5, and the feed wiring 8 is further connected to the feed side terminal 4 of the detection unit 5. And connecting the feed wiring 8 to each detection unit 5 by repeatedly connecting the feed wiring 8 to the input side terminal 3 of the adjacent detection unit 5 and feeding power to each detection unit 5. I am doing so. In the detection unit 5, the operation of each functional unit (the light projecting unit 1, the light receiving unit 2, and each unit described later) is secured by this power supply. Here, in the crime prevention system of FIG. 1 (a), the power supply unit 6 is arranged at one end of the crime prevention system, and the feeder line is connected to the input side terminal 3 of the detection unit 5 located at one end of the crime prevention system with the power supply unit 6. 7 is connected, and the feed wiring 8 from the feed side terminal 4 of the detection unit 5 is connected to the input side terminal 3 of the detection unit 5 adjacent to the other end direction of the security system, and the feed side terminal 4 of the detection unit 5 is further connected. The feed wiring 8 is further connected to the input side terminal 3 of the detection unit 5 adjacent in the other end direction. In the detection unit 5 located at the other end of the crime prevention system, the input side terminal 3 has a feed wiring 8 extending from the feed side terminal 4 of the detection unit 5 adjacent to the one end direction of the crime prevention system. Although connected, the detection unit 5 is not arranged in the direction of the other end of the security system than the detection unit 5 at the other end of the security system. Not connected. The detection unit 5 in which the feed wiring 8 is connected only to the input side terminal 3 is called the detection unit 5 located at the end of the security system, and the feed wiring 8 is connected to both the input side terminal 3 and the feed side terminal 4. Alternatively, the detection unit 5 to which the feeder line 7 is connected is referred to as the detection unit 5 located at the center position of the security system. In FIG. 1A, the detection unit 5 is linearly arranged and is disposed at a position facing the light receiving unit 2 and the light receiving unit 2 of the adjacent detection unit 5, but the light projecting unit 1 is The irradiation angle of the infrared ray 13 can be freely set, and the irradiation angle of the infrared ray 13 from the light projecting unit 1 is not necessarily arranged at the opposing position between the light projecting unit 1 and the light receiving unit 2 of the adjacent detection unit 5. Is set to an appropriate angle so that the infrared light 13 from the light projecting unit 1 can be received by the light receiving unit 2 of the adjacent detection unit 5.

ところで、本例の防犯システムを構成する検知ユニット５には、入力側端子３及び送り側端子４への給電線７または送り配線８の接続の有無を検知する接続検知部９が設けられている。この接続検知部９は、入力側端子３への給電線７または送り配線８の接続状態を検知する入力側接続検知部９ａと、送り側端子４への送り配線８の接続状態を検知する送り側接続検知部９ｂとを有しており、たとえば図３に示す電気回路で構成される。具体的に、入力側接続検知部９ａは、入力側端子３から送り側端子４を繋ぐ検知ユニット５内の電気回路における入力側端子３近傍の部位に電流検出用の抵抗Ｒ２を配設し、抵抗Ｒ２の前後の電圧差を差動増幅器１４で検出するように構成されている。また、送り側接続検知部９ｂは、入力側端子３から送り側端子４を繋ぐ検知ユニット５内の電気回路における送り側端子４近傍の部位に電流検出用の抵抗Ｒ３を配設し、抵抗Ｒ３の前後の電圧差を差動増幅器１４で検出するように構成されている。図３のＲ１は電気を使用する検知ユニット５の各機能部（投光部１や報知部１２など）の抵抗を示しており、入力側接続検知部９ａの抵抗Ｒ２は検知ユニット５内の電気回路のうち抵抗Ｒ１に給電を行う回路内に配設されているのに対し、送り側接続検知部９ｂの抵抗Ｒ３は検知ユニット５内の電気回路のうち抵抗Ｒ１に給電を行う回路外に配設されている。つまり、入力側接続検知部９ａの抵抗Ｒ２には入力側端子３に電源部６に接続された給電線７や送り配線８が接続されれば電流が流れるのであって、入力側接続検知部９ａは抵抗Ｒ２に流れる電流の有無を検知し、入力側端子３への給電線７または送り配線８の接続の有無を検知するのであり、また、送り側接続検知部９ｂの抵抗Ｒ３には送り側端子４に送り配線８を接続してこの送り配線８が隣接する検知ユニット５に接続されねば電流が流れないのであって、送り側接続検知部９ｂは抵抗Ｒ３に流れる電流の有無を検知し、送り側端子４への送り配線８の接続の有無を検知するのである。そして、この入力側接続検知部９ａ及び送り側接続検知部９ｂの各差動増幅器１４はそれぞれＡ／Ｄ変換器１５（アナログデジタル変換器）を介してマイコンが構成する判定部１０に接続され、判定部１０に接続検知部９の検知結果が入力されるようになっている。 By the way, the detection unit 5 constituting the crime prevention system of the present example is provided with a connection detection unit 9 for detecting whether or not the power supply line 7 or the feed wiring 8 is connected to the input side terminal 3 and the feed side terminal 4. . The connection detection unit 9 includes an input-side connection detection unit 9 a that detects the connection state of the power supply line 7 or the feed wiring 8 to the input-side terminal 3 and a feed that detects the connection state of the feed wiring 8 to the feed-side terminal 4. And a side connection detection unit 9b, which is configured by an electric circuit shown in FIG. Specifically, the input-side connection sensing unit 9a disposed a resistor R 2 for current detection portion of the input-side terminal 3 near the electrical circuit within the detection unit 5 from the input terminal 3 connects the feed terminal 4 and a voltage differential across the resistor R 2 is configured to detect a differential amplifier 14. The feed-side connection sensing portion 9b is disposed a resistor R 3 for current detection to the site of feeding side terminals 4 near the electrical circuit within the detection unit 5 from the input terminal 3 connects the feed terminal 4, resistors The differential amplifier 14 is configured to detect a voltage difference before and after R 3 . R 1 in FIG. 3 indicates the resistance of each functional unit (light projecting unit 1, notification unit 12, etc.) of the detection unit 5 that uses electricity, and the resistance R 2 of the input side connection detection unit 9 a is within the detection unit 5. the contrast is disposed to the resistor R 1 in the circuit for supplying power of the electrical circuit, the power supply to the resistance R 1 of the electrical circuit of a resistor R 3 is in the detection unit 5 of the feeding-side connection detection unit 9b Arranged outside the circuit to be performed. That is, the resistance R 2 of the input-side connection sensing unit 9a comprising than when it is connected to the input terminal 3 the power supply unit 6 feed line 7 and the feed wire 8 connected to the electric current flows, the input-side connection detection unit 9a detects the presence or absence of a current flowing through the resistor R 2, and is to detect the presence or absence of connection of the feed line 7 or the feed line 8 to the input terminal 3, also the resistance R 3 of the feed-side connection detection unit 9b a is no current if have to be connected to the sensing unit 5 to the feed wire 8 connects the wiring 8 feed to the feed terminal 4 is adjacent flow, the presence or absence of current feed-side connection detection unit 9b flowing through the resistor R 3 And the presence or absence of connection of the feed wiring 8 to the feed side terminal 4 is detected. And each differential amplifier 14 of this input side connection detection part 9a and sending side connection detection part 9b is connected to the judgment part 10 which a microcomputer constitutes via A / D converter 15 (analog-digital converter), respectively. The detection result of the connection detection unit 9 is input to the determination unit 10.

図１（ｂ）には検知ユニット５の制御系ブロック図を示すが、このように判定部１０には上記接続検知部９に加えて受光部２が接続されており、受光部２での送信部からの赤外線１３の検知結果が入力されるようになっている。また、判定部１０は報知部１２及び制御部１１を接続させており、判定部１０の判定結果を受けて報知部１２及び制御部１１が適宜作動可能になっている。更に言うと、この制御部１１は受光部２を接続させており、制御部１１で受光部２の制御をできるようになっている。   FIG. 1B shows a control system block diagram of the detection unit 5. In this way, the light receiving unit 2 is connected to the determination unit 10 in addition to the connection detection unit 9, and transmission by the light receiving unit 2 is performed. The detection result of the infrared rays 13 from the unit is input. Moreover, the determination part 10 connects the alerting | reporting part 12 and the control part 11, and the alerting | reporting part 12 and the control part 11 can operate | move suitably according to the determination result of the determination part 10. FIG. Furthermore, the control unit 11 is connected to the light receiving unit 2 so that the control unit 11 can control the light receiving unit 2.

ここで、この判定部１０は、防犯システムの施工後の初動時（防犯システムの施工後における試運転時など初めて各検知ユニット５に給電させた際）において、接続検知部９の検知結果と受光部２の検知結果に基いて検知ユニット５の配設位置及び検知ユニット５の配設状態の適否を判定する機能を有する部位である。具体的に判定部１０は接続検知部９の検知結果と受光部２の検知結果に基いて図２に示すような判定を行うのである。つまり、防犯システムの施工後の初動時に、「入力側端子３のみに給電線７または送り配線８が接続されている」との接続検知部９の検知結果が判定部１０に入力されると、判定部１０では「この判定部１０や接続検知部９を内装した検知ユニット５は防犯システムの端部位置に位置している」（判定１または２）と判定するのであり、一方、「入力側端子３及び送り側端子４の両方に給電線７または送り配線８が接続されている」との接続検知部９の検知結果が判定部１０に入力されると、判定部１０は「この検知ユニット５は防犯システムの中央位置に位置している」（判定３または４）と判定するのである。また同時に、判定部１０は受光部２での隣接する検知ユニット５の送信部からの赤外線１３の受光の有無にかかる検知結果も入力されるのであり、「受光部２には上記赤外線１３の受光が無い」との受光部２の検知結果が判定部１０に入力されると、上記接続検知部９の検知結果に基く判定部１０の判定が判定１または２であった場合には「この検知ユニット５は防犯システムの端部位置に位置し且つ正常に配設されている」との「判定１」の判定が下されるのであり、一方、上記接続検知部９の検知結果に基く判定部１０の判定が判定３または４であった場合には「この検知ユニット５は防犯システムの中央位置に位置し且つ配設に不備有り」との「判定３」の判定が下される。また、「受光部２には上記赤外線１３の受光が有る」との受光部２の検知結果が判定部１０に入力されると、上記接続検知部９の検知結果に基く判定部１０の判定が判定１または２であった場合には「この検知ユニット５は防犯システムの端部位置に位置し且つ配設に不備有り」との「判定２」の判定が下されるのであり、一方、上記接続検知部９の検知結果に基く判定部１０の判定が判定３または４であった場合には「この検知ユニット５は防犯システムの中央位置に位置し且つ正常に配設されている」との「判定４」の判定が下される。   Here, the determination unit 10 detects the detection result of the connection detection unit 9 and the light receiving unit at the initial operation after the installation of the security system (when the power is supplied to each detection unit 5 for the first time such as a trial operation after the installation of the security system). 2 is a part having a function of determining the appropriateness of the arrangement position of the detection unit 5 and the arrangement state of the detection unit 5 based on the detection result of No. 2. Specifically, the determination unit 10 performs the determination as shown in FIG. 2 based on the detection result of the connection detection unit 9 and the detection result of the light receiving unit 2. That is, when the detection result of the connection detection unit 9 that “the feed line 7 or the feed wiring 8 is connected only to the input side terminal 3” is input to the determination unit 10 at the initial operation after the construction of the security system, The determination unit 10 determines that “the detection unit 5 including the determination unit 10 and the connection detection unit 9 is located at the end position of the security system” (determination 1 or 2). When the detection result of the connection detection unit 9 that “the power supply line 7 or the feed wiring 8 is connected to both the terminal 3 and the feed side terminal 4” is input to the determination unit 10, the determination unit 10 reads “This detection unit It is determined that “5 is located at the central position of the security system” (determination 3 or 4). At the same time, the determination unit 10 also receives a detection result regarding whether or not the infrared ray 13 is received from the transmission unit of the adjacent detection unit 5 in the light receiving unit 2. When the detection result of the light receiving unit 2 that “there is no” is input to the determination unit 10, if the determination of the determination unit 10 based on the detection result of the connection detection unit 9 is determination 1 or 2, “this detection The determination of “determination 1” that “the unit 5 is located at the end position of the crime prevention system and is normally disposed” is made, while the determination unit based on the detection result of the connection detection unit 9 When the determination of 10 is determination 3 or 4, the determination of “determination 3” that “the detection unit 5 is located at the center position of the crime prevention system and is insufficiently arranged” is made. When the detection result of the light receiving unit 2 that “the light receiving unit 2 receives the infrared ray 13” is input to the determination unit 10, the determination of the determination unit 10 based on the detection result of the connection detection unit 9 is performed. In the case of the determination 1 or 2, the determination of “determination 2” that “the detection unit 5 is located at the end position of the crime prevention system and is poorly arranged” is made. If the determination of the determination unit 10 based on the detection result of the connection detection unit 9 is determination 3 or 4, "This detection unit 5 is located at the center position of the security system and is normally disposed" A determination of “determination 4” is made.

このとき、判定部１０で「この検知ユニット５は防犯システムの端部位置に位置し且つ正常に配設されている」（判定１）と判定された検知ユニット５は、図１（ａ）のＡで示す検知ユニット５である。この検知ユニット５は、防犯システムの端部位置に位置すると共に防犯システムの端部方向に受光部２を向けて配設されているのであり、防犯システムの端部方向には他の検知ユニット５が無いことから、この検知ユニット５の受光部２は当然に投光部１からの赤外線１３を受光できるものではない。ところで、従来の防犯システムでは、防犯システムの端部位置に配設された検知ユニット５の防犯システムの端部方向に向く受光部２が投光部１からの赤外線１３を受光しないという事実に基いて赤外線１３を遮った侵入物が有るという誤まった判定をしてしまうのであったが、本例の防犯システムでは下記のように上記誤まった判定の回避が図られている。   At this time, the detection unit 5 determined by the determination unit 10 as “this detection unit 5 is located at the end position of the security system and is normally disposed” (determination 1) is shown in FIG. A detection unit 5 indicated by A. The detection unit 5 is located at the end position of the security system and is disposed with the light receiving unit 2 facing the end direction of the security system. The other detection unit 5 is positioned in the end direction of the security system. Therefore, the light receiving unit 2 of the detection unit 5 cannot naturally receive the infrared rays 13 from the light projecting unit 1. By the way, in the conventional crime prevention system, the light receiving part 2 of the detection unit 5 arranged at the end position of the crime prevention system facing the edge part of the crime prevention system does not receive the infrared rays 13 from the light projecting part 1. However, in the crime prevention system of the present example, the erroneous determination is avoided as follows.

つまり、本例の防犯システムでは、上記判定部１０が「この検知ユニット５は防犯システムの端部位置に位置し且つ正常に配設されている」（判定１）と判定したときには、この判定を受けた制御部１１によって検知ユニット５の受光部２の機能を停止させる制御が自動的に施されるようになっている。なお、この制御部１１による受光部２の機能停止は防犯システムの施工後の初動時の時点から以後継続して為されるのである。このように、本例の防犯システムにあっては、各検知ユニット５の判定部１０の判定によって必要に応じて制御部１１で自動的に受光部２の機能停止が行われるようにされているので、従来の防犯システムの問題であった防犯システムの端部に位置した検知ユニット５の受光部２が赤外線１３を受光しないという事実によって誤って侵入物有りの判定をしてしまうといったことを確実に無くするようにされているのであり、更に言うと、従来のように検知ユニット５に手動スイッチを設ける必要はなく、手動スイッチ付設に係る検知ユニット５のコスト増や手動スイッチの操作に係る施工作業の煩雑化をも回避されているのである。   That is, in the security system of this example, when the determination unit 10 determines that “the detection unit 5 is located at the end position of the security system and is normally disposed” (determination 1), this determination is made. Control which stops the function of the light-receiving part 2 of the detection unit 5 by the received control part 11 is automatically performed. In addition, the function stop of the light receiving unit 2 by the control unit 11 is continuously performed from the time of the initial movement after the construction of the security system. Thus, in the crime prevention system of this example, the function of the light receiving unit 2 is automatically stopped by the control unit 11 as necessary by the determination of the determination unit 10 of each detection unit 5. Therefore, it is certain that the presence of the intruder is erroneously determined by the fact that the light receiving unit 2 of the detection unit 5 located at the end of the security system, which has been a problem of the conventional security system, does not receive the infrared rays 13. In addition, there is no need to provide a manual switch on the detection unit 5 as in the prior art, and the construction related to the increase in the cost of the detection unit 5 associated with the manual switch and the operation of the manual switch. Work complexity is also avoided.

なお、この図１（ａ）は正常に施工された防犯システムの全体図であるが、Ｅで示す検知ユニット５の判定部１０では「この検知ユニット５は防犯システムの中央位置に位置し且つ正常に配設されている」（判定４）という判定がされている。   Although FIG. 1A is an overall view of a normally installed security system, the determination unit 10 of the detection unit 5 indicated by E indicates that “this detection unit 5 is located at the center position of the security system and is normal. (Determination 4) is determined.

また、判定部１０で「この検知ユニット５は防犯システムの端部位置に位置し且つ配設に不備有り」（判定２）と判定された検知ユニット５には、たとえば図４のＢで示す検知ユニット５などがある。なお、この図４に示す防犯システムは、図１の正常に施工された防犯システムに比べて検知ユニット５の投光部１及び受光部２を逆向きにする施工ミスが犯されている状態のものである。また、判定部１０で「この検知ユニット５は防犯システムの中央位置に位置し且つ配設に不備有り」（判定３）と判定された検知ユニット５には、たとえば図４のＣで示す検知ユニット５や図５のＤで示す検知ユニット５などがある。この図５に示す防犯システムは、図４同様に施工ミスが犯されている状態のものであり、具体的には、ある検知ユニット５の投光部１の赤外線１３の照射方向が隣接する検知ユニット５の受信部の方向に向いていないといった施工ミスが犯されている状態のものである。このように検知ユニット５の判定部１０で判定２，３の判定がされると、少なくともこの検知ユニット５の近辺で何らかの施工ミスが有ることが判定されるものである。そして、本例の検知ユニット５では、判定２，３にあるように判定部１０で「検知ユニット５の配設に不備有り」という判定がされると報知部１２にて施工ミスが有ることが施工者に報知されるようになっている。ここで、報知部１２にはたとえば警報や音声、発光など施工者に異常を認識させる適宜の手段が用いられる。このように本例の防犯システムにあっては、判定部１０及び報知部１２によって防犯システムのなかで施工ミスのある場所を即座に施工者に認識させて検知ユニット５の再配設施工を促すことができるのであり、防犯システムの施工後の初動時という早期にすばやく検知ユニット５の再配設施工を行わせて検知ユニット５の配設の施工ミスを解消させることも図られているのである。   In addition, the detection unit 5 determined by the determination unit 10 as “this detection unit 5 is located at the end position of the crime prevention system and has an inadequate arrangement” (determination 2) includes, for example, the detection indicated by B in FIG. There are unit 5 and the like. In addition, the crime prevention system shown in FIG. 4 is in a state in which a construction error is made in which the light projecting unit 1 and the light receiving unit 2 of the detection unit 5 are reversed in comparison with the security system normally constructed in FIG. It is. Further, the detection unit 5 determined by the determination unit 10 as “this detection unit 5 is located at the center position of the crime prevention system and has insufficient arrangement” (determination 3) includes, for example, the detection unit indicated by C in FIG. 5 and the detection unit 5 indicated by D in FIG. The crime prevention system shown in FIG. 5 is in a state in which a construction error has been committed as in FIG. 4, and specifically, a detection unit in which the irradiation direction of the infrared rays 13 of the light projecting unit 1 of a certain detection unit 5 is adjacent. 5 is a state in which a construction error such as not being directed to the receiving unit 5 has been committed. As described above, when the determination unit 10 of the detection unit 5 makes the determinations 2 and 3, it is determined that there is some construction error at least in the vicinity of the detection unit 5. In the detection unit 5 of this example, if the determination unit 10 determines that “the arrangement of the detection unit 5 is insufficient” as in the determinations 2 and 3, there may be a construction error in the notification unit 12. The installer is notified. Here, for the notification unit 12, for example, an appropriate means for causing the installer to recognize the abnormality such as an alarm, voice, or light emission is used. Thus, in the crime prevention system of this example, the determination unit 10 and the notification unit 12 promptly recognize the place where there is a construction error in the crime prevention system and prompt the re-installation of the detection unit 5. It is also possible to quickly re-install the detection unit 5 as soon as the first movement after the installation of the security system, thereby eliminating the installation error in the installation of the detection unit 5. .

なお、図２では特に図示はしないが、接続検知部９にて入力側端子３及び送り側端子４のいすれにも給電線７または送り配線が接続されていないことを検知した際には、給電線７または送り配線８が断線しているなどの理由が考えられ、つまり当然に検知ユニット５の配設に不備を有しているので、判定部１０は「配設に不備有り」という判定を下し、報知部１２にて施工ミスが有ることが施工者に報知されるようになっているのは言うまでもない。   Although not particularly illustrated in FIG. 2, when the connection detection unit 9 detects that the feed line 7 or the feed line is not connected to any of the input side terminal 3 and the feed side terminal 4, The reason is that the power supply line 7 or the feed wiring 8 is broken. That is, since the detection unit 5 is naturally inadequate, the determination unit 10 determines that there is an inadequate arrangement. Needless to say, the informing unit 12 is informed that there is a construction error.

本発明の実施の形態の例の防犯システムであり、（ａ）は防犯システム全体の概略構成図であり、（ｂ）は検知ユニットの制御系のブロック図である。It is a security system of the example of embodiment of this invention, (a) is a schematic block diagram of the whole security system, (b) is a block diagram of the control system of a detection unit. 同上の判定部による各種判定を説明する説明図である。It is explanatory drawing explaining the various determinations by the determination part same as the above. 同上の接続検知部の回路図である。It is a circuit diagram of the connection detection part same as the above. 防犯システムの施工ミスの例を説明する概略構成図である。It is a schematic block diagram explaining the example of the construction mistake of a security system. 防犯システムの施工ミスの他例を説明する概略構成図である。It is a schematic block diagram explaining the other example of the construction mistake of a security system.

符号の説明Explanation of symbols

１ 投光部
２ 受光部
３ 入力側端子
４ 送り側端子
５ 検知ユニット
６ 電源部
７ 給電線
８ 送り配線
９ 接続検知部
１０ 判定部
１１ 制御部
１２ 報知部
１３ 赤外線 DESCRIPTION OF SYMBOLS 1 Light emission part 2 Light reception part 3 Input side terminal 4 Feeding side terminal 5 Detection unit 6 Power supply part 7 Feeding line 8 Feeding wiring 9 Connection detection part 10 Judgment part 11 Control part 12 Notification part 13 Infrared rays

Claims (3)

投光部及び受光部と入力側端子及び送り側端子とを備えた検知ユニットを防犯スペースの外縁に沿って複数個間隔をあけて配置し、電源部からの給電線を任意の検知ユニットの入力側端子に接続し、この検知ユニットの送り側端子から送り配線を隣接する検知ユニットの入力側端子に順に接続するようにして各検知ユニットに給電し、給電された各検知ユニットの投光部から輻射線を投光して隣接する検知ユニットの受光部でこの輻射線を受光可能にし、投光部からの輻射線の受光部での受光状態の検知に基いて隣接する検知ユニット間を通って防犯スペースに侵入する侵入物の有無を判定するようにした防犯システムにおいて、各検知ユニットに入力側端子及び送り側端子への給電線または送り配線の接続の有無を検知する接続検知部を設け、防犯システムの施工後の初動時における接続検知部の検知結果と受光部の検知結果に基いて検知ユニットの配設位置及び検知ユニットの配設状態の適否を判定する判定部を設け、接続検知部にて送り側端子への送り配線の接続のみを検知すると共に受光部にて投光部からの輻射線の受光が無いことを検知したことに基いて判定部で検知ユニットが防犯システムの端部位置にあり且つ検知ユニットの配設状態が正常であることを判定したときに検知ユニットの受光部を機能停止させる制御部を設けたことを特徴とする防犯システム。   A plurality of detection units including a light projecting unit, a light receiving unit, an input side terminal, and a transmission side terminal are arranged at intervals along the outer edge of the security space, and a power supply line from the power source unit is input to any detection unit. Power is supplied to each detection unit by connecting to the input terminal of the adjacent detection unit in order from the feed side terminal of this detection unit to the input side terminal of the adjacent detection unit. The radiation light is projected so that the light can be received by the light receiving part of the adjacent detection unit, and it passes between adjacent detection units based on the detection of the light receiving state at the light receiving part of the radiation from the light projecting part. In a security system that determines the presence or absence of intruders that enter the security space, each detection unit is equipped with a connection detection unit that detects the presence or absence of connection of the power supply line or the feed wiring to the input side terminal and the feed side terminal. A detection unit is provided for determining the appropriateness of the arrangement position of the detection unit and the arrangement state of the detection unit based on the detection result of the connection detection unit and the detection result of the light receiving unit at the initial operation after the construction of the security system. The detection unit detects the end of the crime prevention system based on the detection of only the connection of the feed wiring to the feed terminal at the sensor and the absence of reception of radiation from the light projecting part at the light receiver. A crime prevention system comprising a control unit that stops the function of the light receiving unit of the detection unit when it is determined that the detection unit is in the normal position and the arrangement state of the detection unit is normal. 防犯システムの施工後の初動時に、接続検知部にて送り側端子への送り配線の接続のみを検知すると共に受光部にて投光部からの輻射線の受光が有ることを検知したことに基いて判定部で検知ユニットが防犯システムの端部位置にあり且つ検知ユニットの配設状態が異常であることを判定したときに検知ユニットの配設状態の異常を報知する報知部を設けたことを特徴とする請求項１記載の防犯システム。   Based on the fact that the connection detection unit detects only the connection of the feed wiring to the sending side terminal and the light receiving unit detects that the radiation light is received from the light projecting unit at the initial operation after the installation of the security system. The determination unit is provided with an informing unit for notifying the abnormality of the arrangement state of the detection unit when it is determined that the detection unit is at the end position of the security system and the arrangement state of the detection unit is abnormal. The crime prevention system according to claim 1, wherein 防犯システムの施工後の初動時に、接続検知部にて入力側端子及び送り側端子の両方に送り配線または給電線が接続されたことを検知すると共に受光部にて投光部からの輻射線の受光が無いことを検知したことに基いて判定部で検知ユニットが防犯システムの中央位置にあり且つ配設状態が異常であることを判定したときに検知ユニットの配設状態の異常を報知する報知部を設けたことを特徴とする請求項１または２記載の防犯システム。   At the initial operation after the installation of the security system, the connection detection unit detects that the feed wiring or the feed line is connected to both the input side terminal and the feed side terminal, and the light receiving unit detects the radiation from the light projecting unit. A notification for notifying the abnormality of the arrangement state of the detection unit when the determination unit determines that the detection unit is in the center position of the security system and the arrangement state is abnormal based on detection of no light reception The crime prevention system according to claim 1 or 2, wherein a section is provided.
JP2003379111A 2003-11-07 2003-11-07 Crime prevention system Expired - Fee Related JP4062238B2 (en)

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