JP5433770B2 - Commercial radio base station emergency power supply - Google Patents

Commercial radio base station emergency power supply Download PDF

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JP5433770B2
JP5433770B2 JP2012253154A JP2012253154A JP5433770B2 JP 5433770 B2 JP5433770 B2 JP 5433770B2 JP 2012253154 A JP2012253154 A JP 2012253154A JP 2012253154 A JP2012253154 A JP 2012253154A JP 5433770 B2 JP5433770 B2 JP 5433770B2
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博昭 奥田
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奥田電気工業株式会社
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description

本発明は、基地局と移動局との間で通信を行う業務用無線の無線機を備えた基地局電源装置に関し、特に、基地局非常電源装置に関する。   The present invention relates to a base station power supply apparatus provided with a commercial radio for performing communication between a base station and a mobile station, and more particularly to a base station emergency power supply apparatus.

本発明が係わる業務用無線の一例を図４（ａ）、（ｂ）にイメージ図で示す。図４（ａ）の無線システムでは基地局５１とその基地局のエリア内のポータブル無線機５２ａや車載無線機５２ｂが使用される移動局５２との間で通信が行われる。また、図４（ａ）のシステムに比較して、より広範囲のエリアが対象の場合は図４（ｂ）のように高所に設置された制御局６０を通して基地局５１と移動局５２との通信を行う。さらに、各地の制御局（例えば、東京−静岡−名古屋…）をネットワーク化することで全国エリアの通信が可能となる。この基地局５１は、非常電源装置１０と非常電源装置１０に接続されたマイク／スピーカ１８及び送受信アンテナ５１ｂとから構成されている。   An example of business radio according to the present invention is shown in FIGS. 4 (a) and 4 (b) as image diagrams. In the wireless system of FIG. 4A, communication is performed between the base station 51 and the mobile station 52 that uses the portable wireless device 52a and the in-vehicle wireless device 52b in the area of the base station. In addition, compared with the system of FIG. 4A, when a wider area is the target, the base station 51 and the mobile station 52 are connected through the control station 60 installed at a high place as shown in FIG. 4B. Communicate. Further, by networking control stations in various places (for example, Tokyo-Shizuoka-Nagoya ...), nationwide communication is possible. The base station 51 includes an emergency power supply device 10, a microphone / speaker 18 connected to the emergency power supply device 10, and a transmission / reception antenna 51b.

従来の基地局非常電源装置の構成を図３に示す。基地局非常電源装置１０は、商用電源であるＡＣ１００Ｖが停電等で供給されなくなった非常時でも、基地局としての機能を維持できるように、バッテリコントローラ１２とバッテリ１３と無線部１４と内部スピーカ１７と、を備えている。また、商用電源からＡＣ１００Ｖを入力するためのＡＣ入力ケーブル１５と入力した交流電力を直流電力に変換するＡＣ／ＤＣコンバータ１２、直流電力を入力するためのＤＣ入力ケーブル１６とを備えている。ＤＣ入力ケーブル１６は一端に外部のＤＣ電源に接続するためのコネクタ１６ａが取り付けられ、他端には基地局非常電源装置１０のケース２０に固定されているコネクタ１０ｃと勘合するコネクタ１０ｂが取り付けられていて、停電などでＡＣ１００Ｖが使用できない非常時にはコネクタ１０ｂと１０ｃを勘合し接続してＤＣ電力を入力するようになっている。   The configuration of a conventional base station emergency power supply is shown in FIG. The base station emergency power supply 10 has a battery controller 12, a battery 13, a radio unit 14, and an internal speaker 17 so that the function as a base station can be maintained even in an emergency when AC 100 V, which is a commercial power supply, is not supplied due to a power failure. And. Further, an AC input cable 15 for inputting AC 100 V from a commercial power source, an AC / DC converter 12 for converting input AC power into DC power, and a DC input cable 16 for inputting DC power are provided. One end of the DC input cable 16 is attached with a connector 16a for connection to an external DC power source, and the other end is attached with a connector 10b for fitting with a connector 10c fixed to the case 20 of the base station emergency power supply apparatus 10. In an emergency where AC 100V cannot be used due to a power failure or the like, the connectors 10b and 10c are fitted and connected to input DC power.

上記構成の基地局非常電源装置１０は、ＡＣ１００Ｖ、ＤＣ１２／２４Ｖ、あるいはバッテリ１３のいずれかにより無線部１４に電力を供給して動作させることができる。従って、地震、台風その他の非常時でＡＣ１００Ｖが停電した場合でもバッテリにより動作させることができる。また、基地局非常電源装置１０は重量５ｋｇ程度であるので容易に他の場所（例えば、車両等）に移動させて、無線部１４にアンテナ１９、マイク／スピーカ１８を接続すれば移動局と通信を行うことができる。なお、基地局非常電源装置１０を基地局から他の場所に移動させて使用するときは、アンテナは携帯用の小型のアンテナを使用する。   The base station emergency power supply apparatus 10 having the above configuration can be operated by supplying power to the radio unit 14 by any one of AC100V, DC12 / 24V, or battery 13. Therefore, even in the event of an earthquake, typhoon or other emergency, the AC 100V can be operated by a battery. Further, since the base station emergency power supply 10 weighs about 5 kg, it can be easily moved to another location (for example, a vehicle, etc.), and the antenna 19 and the microphone / speaker 18 can be connected to the radio unit 14 to communicate with the mobile station. It can be performed. When the base station emergency power supply apparatus 10 is moved from the base station to another location and used, a small portable antenna is used.

しかしながら、非常時に移動局あるいは他の基地局との交信情報を周囲の人々に知らせるには、交信後にあらためて他の伝達手段を用いて周囲の人々に知らせることが行われている。また、ＤＣ入力ケーブルは通常は使用されないので基地局非常電源装置１０から外されて別の場所に保管されている。従って、非常時に保管場所から出して取り付ける手間がかかり、あるいは保管したＤＣ入力ケーブルが見つからないなどの不具合が起こることもある。   However, in order to inform the surrounding people of communication information with the mobile station or other base stations in an emergency, the surrounding people are again notified by using other transmission means after the communication. Also, since the DC input cable is not normally used, it is removed from the base station emergency power supply 10 and stored in another location. Therefore, it may take time and effort to take it out of the storage location and attach it, or it may cause problems such as the stored DC input cable not being found.

本発明は、上記の問題点を解決するためになされたもので、非常時に特に必要とされる外部スピーカを駆動するためのアンプ部とＤＣ入力ケーブルとが設けられていて異常事態に迅速に対応可能な基地局非常電源装置を提供することを目的とする。   The present invention has been made to solve the above-described problems, and is provided with an amplifier unit and a DC input cable for driving an external speaker that are particularly required in an emergency, and can quickly respond to an abnormal situation. An object is to provide a possible base station emergency power supply.

本発明の基地局非常電源装置は、単一のケース内に組み込まれ、基地局と移動局の無線機との間で送受信する無線部と、電力を蓄えるためのバッテリと、該無線部に駆動電力を供給し該バッテリに充電電力を供給するＤＣバッテリコントローラと、商用電源の交流電力を直流電力に変換して該ＤＣバッテリコントローラに供給するＡＣ／ＤＣコンバータと、該商用電源から交流電力を該ＡＣ／ＤＣコンバータに入力するＡＣ入力ケーブルと、ＤＣ電源から直流電力を該ＤＣバッテリコントローラに入力するＤＣ入力ケーブルと、を備えた業務用無線の基地局非常電源装置において、前記ケース内に外部スピーカを動作させるためのアンプ部を有することを特徴とする。   The base station emergency power supply device of the present invention is incorporated in a single case, and transmits / receives between a base station and a radio of a mobile station, a battery for storing power, and is driven by the radio unit. A DC battery controller that supplies power and supplies charging power to the battery; an AC / DC converter that converts AC power from a commercial power source into DC power and supplies the DC battery controller; and AC power from the commercial power source An industrial wireless base station emergency power supply apparatus comprising: an AC input cable for inputting to an AC / DC converter; and a DC input cable for inputting DC power from a DC power source to the DC battery controller. It has the amplifier part for operating this.

この構成により、本発明の基地局非常電源装置は、外部スピーカを基地局非常電源装置に接続するだけで外部の多数の人に基地局と移動局、あるいは他の基地局との通話内容を同時に知らせることができる。また、基地局のマイクを使用して必要な情報を外部スピーカを通して外部の人々に連絡することができる。   With this configuration, the base station emergency power supply apparatus according to the present invention allows a large number of external people to simultaneously communicate with the base station and the mobile station or other base stations by simply connecting an external speaker to the base station emergency power supply apparatus. I can inform you. In addition, necessary information can be communicated to external people through an external speaker using the microphone of the base station.

また、本発明の基地局非常電源装置の前記ＤＣ入力ケーブルは、前記基地局非常電源装置に取り付けられ、常時前記ＤＣバッテリコントローラに電気的に接続されていることが望ましい。   In addition, it is preferable that the DC input cable of the base station emergency power supply device of the present invention is attached to the base station emergency power supply device and is always electrically connected to the DC battery controller.

本構成では、ＡＣ１００Ｖが使用される通常時にもＤＣ入力ケーブルはケースに接続されているので非常時にあらためて保管場所から取り出して基地局非常電源装置に取り付ける手間がいらず、必要に応じて使用できるので、緊急時に迅速に対応できる。   In this configuration, the DC input cable is connected to the case even during normal operation when AC100V is used, so there is no need to take it out of the storage location and attach it to the base station emergency power supply unit. Respond quickly in an emergency.

本発明の基地局非常電源装置によれば、外部スピーカを駆動するアンプ部が設けられていて移動局や他の基地局との通信内容を同時に外部スピーカを通して周囲の人々に伝達することができる。また、この基地局非常電源装置を必要な情報を連絡するためのセンタ（基地局）からの連絡手段として用いることができる。さらに、ＤＣ入力ケーブルが常時接続されていて直ちに直流電源に接続できるので、非常時に迅速に対応できる。   According to the base station emergency power supply apparatus of the present invention, an amplifier unit for driving an external speaker is provided, and the contents of communication with a mobile station and other base stations can be simultaneously transmitted to surrounding people through the external speaker. Further, this base station emergency power supply can be used as a communication means from a center (base station) for communicating necessary information. Furthermore, since the DC input cable is always connected and can be immediately connected to the DC power supply, it can respond quickly in an emergency.

本発明による基地局非常電源装置の一実施形態を示すブロック図である。It is a block diagram which shows one Embodiment of the base station emergency power supply apparatus by this invention. 本発明による基地局非常電源装置の一実施形態を示す外観図であり、（ａ）は前面正面図、（ｂ）は裏面正面図、（ｃ）は平面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is an external view which shows one Embodiment of the base station emergency power supply device by this invention, (a) is a front elevation view, (b) is a back elevation view, (c) is a top view. 従来の基地局非常電源装置のブロック図である。It is a block diagram of the conventional base station emergency power supply device. （ａ）、（ｂ）本発明が係わる業務用無線の一例を図示した説明図である。(A), (b) It is explanatory drawing which illustrated an example of the business radio | wireless concerning this invention.

以下、本発明の実施の形態について、図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１のブロック図及び図２（ａ）、（ｂ）、（ｃ）の外観図に本発明の基地局非常電源装置の構成を示す。図に示すように、この実施形態の基地局非常電源装置１は、ＡＣ／ＤＣコンバータ１１、ＤＣバッテリコントローラ１２、バッテリ１３、無線部１４、内部スピーカ１７、ＡＣ入力ケーブル１５、ＤＣ入力ケーブル１６Ａ、アンプ部３０、とから構成されている。また、基地局非常電源装置１の電源スイッチ１２ａ、電源表示ランプ１２ｂ、バッテリ表示ランプ１２ｃ、バッテリ残量メータ１２ｄがケース２０に固定され、ＤＣバッテリコントローラ１２に接続されている。内部スピーカ１７の音量は、図２（ａ）に示すようにケース２０前面に音量調整ツマミ１７ａが設けられているが図１のブロック図では図示を省略している。
なお、図４の従来の基地局非常電源装置１０と同じ部分については、同一の符号を使用している。 The configuration of the base station emergency power supply apparatus of the present invention is shown in the block diagram of FIG. 1 and the external views of FIGS. 2 (a), 2 (b), and 2 (c). As shown in the figure, the base station emergency power supply device 1 of this embodiment includes an AC / DC converter 11, a DC battery controller 12, a battery 13, a radio unit 14, an internal speaker 17, an AC input cable 15, a DC input cable 16A, And an amplifier unit 30. Further, the power switch 12 a, the power display lamp 12 b, the battery display lamp 12 c, and the battery remaining amount meter 12 d of the base station emergency power supply device 1 are fixed to the case 20 and connected to the DC battery controller 12. The volume of the internal speaker 17 is provided with a volume adjustment knob 17a on the front surface of the case 20 as shown in FIG. 2A, but is not shown in the block diagram of FIG.
In addition, the same code | symbol is used about the same part as the conventional base station emergency power supply device 10 of FIG.

アンプ部３０は、図１に示すようにアッテネータ（ＡＴＴ）３１、ＶＯＸ回路３２、外部スピーカ駆動アンプ３３、外部スピーカ音量調整部３３ａ、アンプ電源制御回路３４、アンプ入力制御回路３５、外部制御回路３６とから構成されている。外部スピーカ駆動アンプ３３の出力はケースに設けられた外部スピーカ接続のためのコネクタ（ジャック）３３Ｃに接続されている。また、外部制御回路３６は外部制御機器を接続するためのコネクタ３６Ｃに接続されている。   As shown in FIG. 1, the amplifier unit 30 includes an attenuator (ATT) 31, a VOX circuit 32, an external speaker drive amplifier 33, an external speaker volume adjustment unit 33a, an amplifier power supply control circuit 34, an amplifier input control circuit 35, and an external control circuit 36. It consists of and. The output of the external speaker drive amplifier 33 is connected to a connector (jack) 33C for external speaker connection provided on the case. The external control circuit 36 is connected to a connector 36C for connecting an external control device.

この実施形態の基地局非常電源装置１の動作は以下のようになる。
ＡＣ１００Ｖ、ＤＣ１２Ｖ／２４Ｖ、あるいはバッテリのいずれかの電力により基地局非常電源装置１を動作させることができる。ＡＣ１００Ｖの入力が確保されている時は入力したＡＣ１００ＶをＡＣ／ＤＣコンバータ１１でＤＣ電圧に変換し、ＤＣバッテリコントローラ１２に入力し、ＤＣバッテリコントローラ１２で電圧を＋１２Ｖとして無線部１４及びアンプ部３０に供給する。また、ＡＣ１００Ｖが停電等で供給できない時は、ＤＣ入力ケーブル１６ＡによりＤＣ１２Ｖ（またはＤＣ２４Ｖ）をＤＣバッテリコントローラ１２に入力し、＋１２Ｖとして無線部１４及びアンプ部３０に供給する。このように外部の交流電源あるいは直流電源から電力を入力しているときには、無線部１４及びアンプ部３０に電力（＋１２Ｖ）を供給すると共にバッテリ１３を充電することができる。 The operation of the base station emergency power supply device 1 of this embodiment is as follows.
The base station emergency power supply device 1 can be operated by any one of AC 100 V, DC 12 V / 24 V, or battery power. When the input of AC 100V is secured, the input AC 100V is converted into a DC voltage by the AC / DC converter 11 and input to the DC battery controller 12, and the DC battery controller 12 sets the voltage to + 12V and the radio unit 14 and the amplifier unit 30. To supply. When AC100V cannot be supplied due to a power failure or the like, DC12V (or DC24V) is input to the DC battery controller 12 through the DC input cable 16A and supplied to the radio unit 14 and the amplifier unit 30 as + 12V. As described above, when power is input from the external AC power source or DC power source, power (+12 V) can be supplied to the wireless unit 14 and the amplifier unit 30 and the battery 13 can be charged.

ＡＣ１００Ｖ、ＤＣ１２Ｖ／２４Ｖがともに確保できないときには、バッテリ１３の電力によりＤＣバッテリコントローラ１２から＋１２Ｖを無線部１４及びアンプ部３０に供給して非常時の基地局非常電源装置１を動作させる。本実施形態のバッテリ１３は満充電の状態から約２０時間基地局非常電源装置１を動作させることが可能である。   When neither AC 100 V nor DC 12 V / 24 V can be secured, +12 V is supplied from the DC battery controller 12 to the radio unit 14 and the amplifier unit 30 by the power of the battery 13 to operate the emergency base station emergency power supply device 1. The battery 13 of this embodiment can operate the base station emergency power supply device 1 for about 20 hours from a fully charged state.

アンプ部３０では、無線部１４からの音声信号がアッテネータ３１を介して外部スピーカ駆動アンプ３３に入力し増幅され、外部スピーカ接続端子である外部スピーカジャック３３Ｃに出力している。外部スピーカジャック３３Ｃに外部スピーカ４０を接続すれば基地局と移動局との交信状況を外部スピーカ４０から伝達することができる。また、マイク／スピーカ１８から外部スピーカ４０を通して様々の連絡をすることができる。外部スピーカ４０の音量調整は、ケース２０に固定され、外部スピーカ駆動アンプ３３に接続されている外部スピーカ音量調整部３３ａのツマミを回転させて調節する（図２（ａ）参照）。ツマミを反時計方向に回転させ音量を絞りこめば外部スピーカの音を消すことも可能である。この外部スピーカ駆動アンプ３３の出力は１０Ｗである。   In the amplifier unit 30, the audio signal from the wireless unit 14 is input to the external speaker drive amplifier 33 via the attenuator 31, is amplified, and is output to the external speaker jack 33C which is an external speaker connection terminal. If the external speaker 40 is connected to the external speaker jack 33C, the communication status between the base station and the mobile station can be transmitted from the external speaker 40. Various communications can be made from the microphone / speaker 18 through the external speaker 40. The volume of the external speaker 40 is adjusted by rotating the knob of the external speaker volume adjusting unit 33a fixed to the case 20 and connected to the external speaker drive amplifier 33 (see FIG. 2A). It is also possible to turn off the sound of the external speaker by turning the knob counterclockwise to reduce the volume. The output of the external speaker drive amplifier 33 is 10W.

なお、上記の無線部１４からの音声信号のレベルをもとに、ＶＯＸ回路３２により外部スピーカ駆動アンプ３３への電力の供給をＯＮ／ＯＦＦするアンプ電源制御回路３４、外部スピーカ駆動アンプ３３への音声信号入力をＯＮ／ＯＦＦするアンプ入力制御回路３５、外部制御機器の動作を制御する外部制御回路３６の制御を行っている。コネクタ３６Ｃに接続され制御される外部制御機器はフラッシングライト、ブザー及び構内放送機器の外部入力ＯＮ／ＯＦＦ回路などである。   It should be noted that, based on the level of the audio signal from the wireless unit 14 described above, the VOX circuit 32 turns on / off the power supply to the external speaker drive amplifier 33 and the power supply control circuit 34 to the external speaker drive amplifier 33 Control is performed by an amplifier input control circuit 35 for turning on / off the audio signal input and an external control circuit 36 for controlling the operation of the external control device. External control devices connected to and controlled by the connector 36C include a flashing light, a buzzer, and an external input ON / OFF circuit of a local broadcasting device.

ＤＣ入力ケーブル１６Ａは、常時、基地局非常電源装置１に接続されてＤＣバッテリコントローラ１２に電気的につながっている。ＤＣ入力ケーブル１６Ａは通常は使用されないので基地局非常電源装置１裏面のケーブルクランプ（不図示）に巻き付けてあり、非常時に引き延ばし先端のコネクタ（シガレットプラグ）１６ａを車両等のシガライタジャックに接続するようになっている。しかし、装置内にリールを設け通常使用しないときはリールに巻き込み保管しておき、非常時にリールから引き出して使用するようにしてもよい。   The DC input cable 16 </ b> A is always connected to the base station emergency power supply device 1 and is electrically connected to the DC battery controller 12. Since the DC input cable 16A is not normally used, the DC input cable 16A is wound around a cable clamp (not shown) on the back of the base station emergency power supply device 1 and is extended in an emergency so that the connector (cigarette plug) 16a at the tip is connected to a cigarette lighter jack such as a vehicle It has become. However, when a reel is provided in the apparatus and is not normally used, the reel may be wound and stored and used by being pulled out from the reel in an emergency.

１：基地局非常電源装置（本発明の一実施形態）
１０：基地局非常電源装置（従来例） ３０：アンプ部
１１：ＡＣ／ＤＣコンバータ ３１：アッテネータ
１２：ＤＣバッテリコントローラ ３２：ＶＯＸ回路
１３：バッテリ ３３：外部スピーカ駆動アンプ
１４：無線部 ３４：アンプ電源制御回路
１５：ＡＣ入力ケーブル ３５：アンプ入力制御回路
１６、１６Ａ：ＤＣ入力ケーブル ３６：外部制御回路
１７：内部スピーカ ４０：外部スピーカ
１８：マイク／スピーカ ５１：基地局
１９：アンテナ ５２：移動局
２０：ケース ６０：制御局 1: Base station emergency power supply (one embodiment of the present invention)
10: Base station emergency power supply device (conventional example) 30: Amplifier unit 11: AC / DC converter 31: Attenuator 12: DC battery controller 32: VOX circuit 13: Battery 33: External speaker drive amplifier 14: Radio unit 34: Amplifier power supply Control circuit 15: AC input cable 35: Amplifier input control circuit 16, 16A: DC input cable 36: External control circuit 17: Internal speaker 40: External speaker 18: Microphone / speaker 51: Base station 19: Antenna 52: Mobile station 20 : Case 60: Control station

Claims (2)

ケースと、該ケース内に組み込まれ基地局と移動局の無線機との間で送受信する無線部と、該ケース内に組み込まれ電力を蓄えるためのバッテリと該無線部に駆動電力を供給し該バッテリに充電電力を供給するＤＣバッテリコントローラと商用電源の交流電力を直流電力に変換して該ＤＣバッテリコントローラに供給するＡＣ／ＤＣコンバータと該商用電源から交流電力を該ＡＣ／ＤＣコンバータに入力するＡＣ入力ケーブルとからなる基地局電源装置と、を有する移動容易な業務用非常時対応無線装置において、
前記ケース内に、前記無線部からの音声信号の出力を増幅して外部スピーカを動作させるための、前記ＤＣバッテリコントローラから供給される電力で駆動される外部スピーカ駆動アンプ部を有し、該アンプ部が通話内容を外部の多数の人に伝達できる程度に増幅するものであることを特徴とする移動容易な業務用非常時対応無線装置。 A case, a radio unit incorporated in the case and transmitting and receiving between the base station and the radio of the mobile station, a battery incorporated in the case for storing electric power, and driving power to the radio unit to supply the power A DC battery controller that supplies charging power to the battery and an AC / DC converter that converts AC power of the commercial power source into DC power and supplies the DC battery controller, and AC power from the commercial power source is input to the AC / DC converter. In an emergency mobile radio device for business use having a base station power supply device comprising an AC input cable,
The amplifier includes an external speaker drive amplifier unit that is driven by power supplied from the DC battery controller for amplifying the output of the audio signal from the wireless unit and operating the external speaker. An emergency mobile radio device for business use, characterized in that the unit amplifies the content of the call to such an extent that it can be transmitted to many external people . ケースと、該ケース内に組み込まれ基地局と移動局の無線機との間で送受信する無線部と、該ケース内に組み込まれ電力を蓄えるためのバッテリと該無線部に駆動電力を供給し該バッテリに充電電力を供給するＤＣバッテリコントローラと商用電源の交流電力を直流電力に変換して該ＤＣバッテリコントローラに供給するＡＣ／ＤＣコンバータと該商用電源から交流電力を該ＡＣ／ＤＣコンバータに入力するＡＣ入力ケーブルとからなる基地局電源装置と、を有する移動容易な業務用非常時対応無線装置において、
前記ケース内に、前記無線部からの音声信号の出力を増幅して外部スピーカを動作させるための、前記ＤＣバッテリコントローラから供給される電力で駆動される外部スピーカ駆動アンプ部を有し、該アンプ部が通話内容を外部の多数の人に伝達できる程度に増幅するものであり、
前記ケース内に、前記外部スピーカ駆動アンプ部への音声信号入力をＯＮ／ＯＦＦするアンプ入力制御回路、又は、フラッシングライト若しくはブザーの外部制御機器の動作を制御する外部制御回路を有することを特徴とする移動容易な業務用非常時対応無線装置。 A case, a radio unit incorporated in the case and transmitting and receiving between the base station and the radio of the mobile station, a battery incorporated in the case for storing electric power, and driving power to the radio unit to supply the power A DC battery controller that supplies charging power to the battery and an AC / DC converter that converts AC power of the commercial power source into DC power and supplies the DC battery controller, and AC power from the commercial power source is input to the AC / DC converter. In an emergency mobile radio device for business use having a base station power supply device comprising an AC input cable,
The amplifier includes an external speaker drive amplifier unit that is driven by power supplied from the DC battery controller for amplifying the output of the audio signal from the wireless unit and operating the external speaker. Department amplifies the call content to a large number of external people,
The case includes an amplifier input control circuit for turning on / off an audio signal input to the external speaker drive amplifier unit, or an external control circuit for controlling an operation of an external control device such as a flashing light or a buzzer. Easy-to-move business-use emergency radio equipment.
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