JPH11239085A - Guided communication system and its method - Google Patents

Guided communication system and its method

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Publication number
JPH11239085A
JPH11239085A JP5413098A JP5413098A JPH11239085A JP H11239085 A JPH11239085 A JP H11239085A JP 5413098 A JP5413098 A JP 5413098A JP 5413098 A JP5413098 A JP 5413098A JP H11239085 A JPH11239085 A JP H11239085A
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JP
Japan
Prior art keywords
radio
communication
carrier signal
inductive
equipment
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
JP5413098A
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Japanese (ja)
Inventor
Hisahide Narita
尚英 成田
Original Assignee
Bosai Engineering Kk
防災エンジニアリング株式会社
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.)
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Application filed by Bosai Engineering Kk, 防災エンジニアリング株式会社 filed Critical Bosai Engineering Kk
Priority to JP5413098A priority Critical patent/JPH11239085A/en
Publication of JPH11239085A publication Critical patent/JPH11239085A/en
Application status is Pending legal-status Critical

Links

Abstract

PROBLEM TO BE SOLVED: To perform long distance or wide area communication by using guided communication equipment of high frequency use equipment without needing a permission, etc., in communication using the guided communication equipment in radio wave blocked area. SOLUTION: In a communication within a radio wave blocked area, a general radio repeater 4 is connected to a guiding line 2 of high frequency use equipment in the radio wave block area through a guiding converter 3 in appropriate intervals, and each general radio equipment 5 mutually communicates from the repeater 4 in a short distance to the line 2, the repeater 4 and to each general radio equipment 5. This guided communication device has the converter 3 which coverts a carrier signal in a general radio frequency into a carrier signal in a guided communication equipment frequency (below 250 kHz) of a high frequency use equipment that does not need a radio station application without violating radio wave law, guides radio waves with such field strength as is against the radio wave law by using a dedicated connector to the guiding line and also has a function that converts a carrier signal from the guiding line into a general radio frequency carrier signal.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】この発明は電波閉塞地域内において、誘導式通信設備と汎用無線機を結合することにより、長距離乃至広域での通信を可能にした通信方式及びその装置に関するものである。 BACKGROUND OF THE INVENTION In this invention the radio wave obstruction area, by combining the inductive communication facilities and the general-purpose wireless device, to a communication method and apparatus to enable communication over long distances to a wide area .

【0002】 [0002]

【従来の技術】従来免許等のいらいない誘導式通信設備は、トンネル、洞道等の地下構築物内、地上の建築物や構築物内、建物の密集地域内等の電波閉塞地域で使用されている。 BACKGROUND OF THE INVENTION do not need a conventional license, such as inductive communication equipment, tunnel, the underground construction of the sinus tract, etc., ground buildings and constructs within, have been used in radio blockage area of ​​dense area of ​​a building . そして上記場所での誘導式通信設備の使用による通信は、誘導線、又は誘導線化された既設配線の敷設箇所やこれらの近傍箇所等の制限があるため、上記誘導線の敷設が困難な場所や、敷設されていない場所での通信に問題があった。 The communication through the use of inductive communication facility in the location guide wire or inductive for Senka been there laying location and the like these near places limitations of the existing wiring, is difficult to place laying of the guide wire and, there is a communication problem in a place that has not been laid.

【0003】 [0003]

【発明が解決しようとする課題】しかしながらこれらの電波閉塞地域は、上記構築物の規模の拡大とともに広範囲に広がってきて、上記の誘導線だけでは通信距離及び範囲では満足できない状況となっている。 However, these radio occlusion area [0005] is becoming widespread with the expansion of the scale of the construct, just above the guiding line has a situation which can not be satisfied with the communication distance and scope.

【0004】この発明は、これらの点に鑑みて為されたものであり、誘導式通信設備を用いた電波閉塞地域内の通信において、免許等を要しない、高周波利用設備の誘導式通信設備に無線中継器をつなげ、さらに汎用無線機を用いることにより、長距離乃至広域通信を可能にする誘導式通信方式及び装置を提供し、上記課題を解決するものである。 [0004] The present invention has been made in view of these points, the communication of the radio wave obstruction area using inductive communication facility, do not require a license or the like, the inductive communications equipment of the high frequency utilization facility connect the wireless repeater, further by using a general-purpose radio provides inductive communication method and apparatus which enables long-distance or wide area communication is intended to solve the above problems.

【0005】 [0005]

【課題を解決するための手段】請求項1項の発明は、誘導式通信設備を用いた電波閉塞地域内の通信システムにおいて、当該電波閉塞地域内の高周波利用設備の誘導線に汎用無線中継器を接続し、各汎用無線機から、直近の上記無線中継器、上記誘導線、上記無線中継器、各汎用無線機へと相互通信させる、誘導式通信方式とした。 SUMMARY OF THE INVENTION of claim 1 wherein the invention is inductive in a communication system of a communication radio wave obstruction area using equipment, universal wireless repeater to the induction lines of the high frequency utilization facility of the radio wave obstruction area connect from the generic radio, nearest the wireless repeater, the guide wire, the wireless repeater is mutually communicated to each universal radio and a inductive communication method. なお本明細書の上記誘導線への汎用無線中継器の接続には、回線を物理的に接続する場合と電波を誘導させる形態の場合を含むものである。 Note that the general-purpose wireless repeater connection to the guide wire of the present specification is intended to include those according to induce the waves in the case of physically connecting the line.

【0006】また請求項2項の発明は、汎用無線機を用いた電波閉塞地域内の通信システムにおいて、当該電波閉塞地域内の誘導線に各汎用無線中継器を、誘導式変換器を介して接続し、各汎用無線機から、直近の上記無線中継器、上記誘導線、上記無線中継器、各汎用無線機へと相互通信させる構成とし、上記誘導式変換器は汎用無線周波数のキャリア信号を電波法に抵触せず、無線局申請等を必要としない高周波利用設備の誘導式通信設備周波数(250KHz以下)のキャリア信号に変えて、誘導線に専用の結合器を用いて電波法に抵触しない電界強度で電波を誘導させるとともに、誘導線からのキャリア信号を汎用の無線周波数キャリア信号に変える機能を有する構成とした誘導式通信装置とした。 [0006] The invention of claim 2, wherein, in the communication system in the radio wave obstruction area using a general-purpose radio, each universal wireless repeater to the induction lines of the electric wave obstruction area via the inductive transducer connect from the generic radio, nearest the wireless repeater, the guiding line, the RF repeater, and configured to be mutually communicated to each universal radio, the inductive transducer carrier signal of a general-purpose radio frequency without violating the radio Law, in place of the carrier signal of inductive communication facilities frequency of the high frequency utilization facility which does not require a radio station application such as (250 KHz or less) and does not conflict with the radio Law using a dedicated coupler to guide wire causes induced radio waves field strength, and the inductive communication apparatus that the carrier signal is configured to have a function of changing the generic radio frequency carrier signal from the induction line.

【0007】 [0007]

【発明の実施の形態例】以下この発明の実施の形態例を図に基づいて説明する。 Will be described with reference to FIG PREFERRED EMBODIMENTS Embodiments of the following the invention PREFERRED EMBODIMENTS Embodiments of the Invention. 図1はこの発明の通信装置の概要を示し、地下構築物1内において、専用の誘導線2を設け、この誘導線2に運用範囲毎に誘導式変換器3を設けている。 Figure 1 shows an overview of a communication apparatus of the present invention, in the underground construction 1, only the guide wire 2 is provided in, and the inductive transducer 3 provided for each operational scope in this induction line 2. またこれらの各誘導式変換器3に夫々汎用無線中継器4を接続している。 Also connected respectively universal wireless repeater 4 in the inductive transducer 3 thereof. そして当該地下構築物1内の作業者等は汎用無線機5を用いて、離れた場所にいる作業者に対し通信する場合、当該汎用無線機5から発信すると、直近の汎用無線中継器4でこれを受信し、上記誘導式変換器3を介して誘導線2に当該電波を誘導してのせ、遠隔の誘導式変換器3、汎用無線中継器4を介して汎用無線機5で受信される構成となっている。 The operator or the like of the underground in construct 1 using a general purpose radio 5, when communicating to an operator at a location remote, when transmitted from the general-purpose wireless device 5, which in the most recent generic radio repeater 4 receive, placed by inducing the wave to the induction line 2 via the inductive transducer 3, a remote inductive transducer 3, is received by the general-purpose radio 5 via a universal wireless repeater 4 configuration It has become.

【0008】また図2はこの発明の通信装置に使用する上記誘導式変換器3の構成を示す。 [0008] FIG. 2 shows the structure of the inductive transducer 3 for use in a communication device of the present invention. 上記無線中継器4から入った無線周波数のキャリア信号は、変調回路6において、発振回路7で作られた誘導式通信設備の周波数を取り込み、MHzを、電波法に抵触せず、無線局申請等を必要としない高周波利用設備の誘導式通信設備周波数のKHzに変換する。 Carrier signal of the radio frequency that has entered from the radio relay 4, the modulation circuit 6, captures the frequency of the inductive communication facility made of oscillator circuit 7, a MHz, without conflict with the Radio Law, the radio station application such as It is converted into KHz inductive communication facilities frequency of the high frequency utilization facility which is not required. この変換後の信号を増幅器8により誘導線2への結合レベルに増幅し、結合器9にて誘導線2へ電波を誘導させる構成となっている。 The conversion after the signal is amplified to a level of binding to the induction line 2 by the amplifier 8, and has a configuration to induce a wave to the induction line 2 at coupler 9. また誘導線2からの誘導式通信設備周波数のキャリア信号は、結合器10により当該変換器3に取り込み、復調回路11において、発振回路12で作られた無線周波数を取り込み、KHzをMHzに変換する。 The carrier signal of inductive communication facility frequencies from the induction line 2, the coupler 10 taken into the converter 3, the demodulation circuit 11, takes in the radio frequency made by the oscillation circuit 12, converts the KHz to MHz . この信号を増幅器13 The signal amplifier 13
により無線中継器4の入力レベルに増幅し、当該中継器4に入力させる構成となっている。 Was amplified by the input level of the radio repeater 4 has a configuration to be input to the repeater 4.

【0009】なお上記実施の形態例では、誘導線2を地下構築物1内で新たに敷設したが、これに限らず、トンネル等の地下構築物内や、地上の建築物、構築物内、建物の密集地域内に既に敷設されている電灯線等の既設線を誘導線として使用しても良い。 [0009] Note that in the embodiment the examples, the guide wire 2 newly laid in the underground construction 1 is not limited thereto, and the underground construction such as tunnels, ground buildings, the construction of built-up it may be used existing lines of power line or the like is already laid in the region as a guide wire. また無線中継器4を誘導線2に接続するのに、上記実施の形態例では誘導式変換器3を用いて接続くしているが、他の適宜の方法で接続してもよい。 Further to connect the wireless repeater 4 to guide wire 2, in the embodiment of the embodiment has a comb connected with inductive transducer 3, but may be connected by other suitable methods. またこの誘導式変換器の構造も上記実施の形態例に限るものではない。 Also not limited to embodiments of the above-described structure of the inductive transducer.

【0010】 [0010]

【発明の効果】請求項1項の発明は、トンネル、洞道、 [Effect of the Invention] The invention of claim 1 wherein the tunnel, Horado,
地下構築物、建物の密集地域等の電波閉塞地域において、汎用無線機相互の通信を、汎用無線中継機相互を誘導線により接続したことにより、従来の汎用無線機相互による約300m〜400mの通信範囲に比べ、極めて長い距離及び広範囲での相互通信を可能にした。 Underground construction, in radio occlusion regions up area of ​​a building, the communication of the general-purpose radio mutually by connecting the guiding line the generic radio repeater mutual communication range of about 300m~400m by conventional general-purpose radio mutually compared with, allowing intercommunication at very long distances and a broad range.

【0011】また請求項2項の発明は、上記請求項1項の効果に加え、汎用無線中継器と誘導線との接続に誘導式変換器を用いることにより、汎用無線周波数のキャリア信号を誘導式通信設備周波数のキャリア信号に変えたり、誘導線からのキャリア信号を汎用無線周波数のキャリア信号に変換する機能を有し、上記誘導式通信装置の効果をより確実にするものである。 [0011] The invention of claim 2, wherein, in addition to the effect of the claim 1, wherein, by using the inductive transducer for connection to the guide wire and the universal wireless repeater, inducing a carrier signal of a general-purpose radio frequency has changing the carrier signal of formula communication facility frequencies, a function of converting the carrier signal from the induction line carrier signals of the generic radio frequencies, is to secure the effect of the inductive communication device.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】この発明の実施の形態例の概略構成図である。 1 is a schematic configuration diagram of a embodiment of the present invention.

【図2】この発明に使用する誘導式変換器の概略構成図である。 2 is a schematic diagram of an inductive transducer for use in the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 地下構築物 2 誘導線 3 誘導式変換器 4 汎用無線中継器 5 汎用無線機 6 変調回路 7 発振回路 8 増幅器 9 結合器 10 結合器 11 復調回路 12 発振回路 13 増幅器 1 underground construct 2 induction line 3 inductive transducer 4 universal wireless repeater 5 generic radio 6 modulating circuit 7 oscillator 8 amplifier 9 coupler 10 coupler 11 demodulation circuit 12 the oscillation circuit 13 amplifier

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 電波閉塞地域内の通信システムにおいて、当該電波閉塞地域内の高周波利用設備の誘導線に適宜間隔で汎用無線中継器を接続し、各汎用無線機から、 1. A communication system in the radio wave obstruction area, connecting the universal wireless repeater at appropriate intervals to the induction lines of the high frequency utilization facility of the radio wave obstruction area from the general-purpose radio,
    直近の上記無線中継器、上記誘導線、上記無線中継器、 Nearest the wireless repeater, the guide wire, the wireless repeater,
    各汎用無線機へと相互通信させることを特徴とする、誘導式通信方式。 Characterized in that to each other communicate with each generic radio, inductive communication method.
  2. 【請求項2】 電波閉塞地域内の通信システムにおいて、当該電波閉塞地域内の高周波利用設備の誘導線に各汎用無線中継器を、誘導式変換器を介して接続し、各汎用無線機から、直近の上記無線中継器、上記誘導線、上記無線中継器、各汎用無線機へと相互通信させる構成とし、上記誘導式変換器は、汎用無線周波数のキャリア信号を、免許等を要しない高周波利用設備の誘導式通信設備周波数のキャリア信号に変えて専用結合器を用いて上記誘導線に電波を誘導させるとともに、誘導線からのキャリア信号を汎用無線周波数のキャリア信号に変える機能を有する構成としたことを特徴とする、誘導式通信装置。 2. A communication system in radio occlusion area, each universal wireless repeater to the induction lines of the high frequency utilization facility of the radio wave obstruction area connected via the inductive transducer from the generic radio, nearest the wireless repeater, the guiding line, the RF repeater, and configured to be mutually communicated to each universal radio, the inductive transducer, a carrier signal of a generic radio frequency, does not require a high frequency utilization license, etc. using a dedicated coupler in place of the carrier signal of inductive communication facilities frequency equipment along with inducing a radio wave in the inductive lines and configured to have a function of changing a carrier signal from the induction line carrier signals of the generic radio frequency characterized in that, inductive communication device.
JP5413098A 1998-02-20 1998-02-20 Guided communication system and its method Pending JPH11239085A (en)

Priority Applications (1)

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Publications (1)

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