JP4498175B2 - Wireless command device - Google Patents

Description

  The present invention relates to a wireless command device, and more particularly, to a wireless command device that can be used by an electric power company or the like and can intercept sound from a mobile device and sound from a handset of each command console at each command console.

Hot line proximity work, etc. performed by electric power companies are performed by wirelessly exchanging electrical operation requests, work start, interim reports, work completion, restoration operation requests, final reports, etc. About 30 live-line proximity tasks are usually performed on weekdays. In addition, since a plurality of hot-line proximity operations are performed at the same time, the radio call is often congested and waits for a turn.
In addition, power companies have wireless calls for planned power outages, wireless calls for responding to electrical accidents that occur temporarily, disaster recovery due to typhoons, etc., as well as wireless calls related to customer service. Except for a break, the radio is always in use.

Such a wireless call is performed between a wireless device or a mobile device (portable wireless device) mounted on a company-owned vehicle. This wireless device is connected via a wireless base station installed on a mountain, for example. A telephone call is made with a wireless command device (wireless command stand) installed at a business office or the like. In such a wireless command device, for example, nine command consoles are installed in one sales office, and six command consoles are installed on the same floor.
In addition, in such a wireless command device, the transmission contents from the handset of each command console can be transmitted to other command consoles so that the contents transmitted from the handset can be intercepted by other departments due to business needs. Since the built-in circuit is provided, the content transmitted from the handset of the command console installed in a certain section is output by voice from the speakers of the remaining eight command consoles.
Further, in such a wireless command device, a voice signal from the mobile device is also sent to all command consoles via the link circuit, and is output by voice from the speakers of each command console.

FIG. 2 is a block diagram showing a configuration of a conventional wireless command device. The wireless command device 100 includes n command consoles 110 _{1 to} 110 _n , a centralized monitoring control device 120, and n transmission / reception units 170 _{1 to} 170 _n .
Here, each of the command consoles 110 _{1 to} 110 _n includes a handset 111 _{1 to} 111 _n , speakers 112 _{1 to} 112 _n, and a volume adjustment circuit for adjusting the volume of sound output from the speakers 112 _{1 to} 112 _n. 113 _{1 to} 113 _n are provided.

The centralized monitoring controller 120 includes n command console controllers 130 _{1 to} 130 _n , a time division switch (TDSW) 140, a link circuit 150, and n radio controllers 160 _{1 to} 160 _n .
Each command console control unit 130 ₁ to 130 DEG _n, the corresponding command console 110 ₁ to 110 _n analog audio signals from the handset 111 ₁ - 111 _n (hereinafter, referred to as "analog command console audio signal".) The analog / Encoding circuits 131 _{1 to} 131 _{n that} perform digital conversion and then encode (for example, encode into a 400 MHz band SCPC system signal) to convert into a digital audio signal (hereinafter referred to as “digital command desk audio signal”). The digital audio signal (hereinafter referred to as “digital mobile device audio signal”) input from the link circuit 150 is decoded and then converted into digital / analog and converted into an analog audio signal (hereinafter referred to as “analog”). Decoding circuits 132 _{1 to} 132 _n for conversion into “mobile device audio signals”).

The time division switch 140 includes the encoding circuits 131 ₁ to _{1 of the} command console controllers 130 _{1 to} 130 _n.
One of the digital command console audio signals input from 31 _n is selected and output to each of the radio control units 160 _{1 to} 160 _n .
Each wireless control unit 160 ₁ to 160 _n includes a rotating lump circuit 161 ₁ to 161 _n for sending digital command console audio signal inputted from division switch 140 when the respective command console 110 ₁ to 110 _n, the digital command Modulation circuit 162 ₁ which modulates a table voice signal with a carrier wave signal and converts it into a transmission signal
To 162 comprising a _n, and a demodulation circuit 163 ₁ to 163 _n which demodulate a received signal from the base station into digital mobile speech signal.

Link circuit 150, the decoding circuit 132 ₁ to 132 _n of each radio control unit 160 ₁ to 160 digital command input from the _n console audio signals and digital mobile audio signals each command console control unit 130 ₁ to 130 DEG _n Output.
Analog command console audio signal and the analog mobile audio signal is output from the decoding circuit 132 ₁ to 132 _n of each command console control unit 130 ₁ to 130 DEG _n the handset 111 ₁ corresponding command console 110 ₁ to 110 _n ~ is output to 111 _n, the volume adjustment of the corresponding command console 110 ₁ to 110 _n circuit 113 _1-113 speaker 112 ₁ to 1 after the volume has been adjusted by the _n
12 _n is output. As a result, at each of the command consoles 110 _{1 to} 110 _n , the content transmitted from the other command consoles 110 _{1 to} 110 _n and the content transmitted from the mobile device are output by voice from the handsets 111 _{1 to} 111 _n. The sound is output from the speakers 112 _{1 to} 112 _n while the volume is adjusted.

In addition, there exist some which are shown below as a related technique of the radio | wireless command apparatus ( and radio command transmission / reception method ) of this application.
In Patent Document 1 below, in order to simplify the configuration of the digital signal transmitter and to allow all the selection signals of the switching system to be transmitted without being influenced by the station scale, multi-frequency codes are used. Switching between a plurality of digital signal transmitters each having a two-frequency signal source for generating a frequency signal of each digit constituting and a digital signal transmitter connected to transmission of PCM data from the digital signal transmitter to a designated channel The TDSW and the MPU that controls the TDSW are provided. When the DG0 and DG1 numeric strings are sent to CH0, the MPU controls the TDSW, and first connects the digital signal transmitter to CH0 to set DG0. The PCM data of the PB signal to be configured is transmitted, and then the MPU switches and connects CH0 to the digital signal transmitter to configure the PB signal that configures DG1. Controlling the TDSW to deliver PCM data, the inter-station signaling method is disclosed.

Further, in Patent Document 2 below, the main control device performs TDSW control in order to reduce the load on the main control device and to enable large-capacity data transfer between the sub-control devices. By setting different time channels for the A control device and the B control device via the control unit and the TDSW, and connecting the channel K set for the A control device and the channel L set for the B control device, It is connected to the B control device via a time division multiplexed PCM transmission line, and control data can be directly transferred from the A control device to the B control device. A digital switching system is disclosed that is capable of providing high capacity.
Japanese Patent Application Laid-Open No. 7-222221 JP 2000-22826 A

In such a radio command apparatus, the following is required from the operational aspect of business.
(1) There is a case where it is desired to intercept transmission contents from another command console and a case where it is not.
(2) There are cases where it is desired to intercept transmission contents from a mobile device and cases where it is not.
(3) There is a case where it is desirable to intercept the transmission contents from the mobile device but not the transmission contents from other command consoles.
(4) There is a case where the contents transmitted from the mobile device are not desired to be intercepted but the contents transmitted from other command consoles are desired to be intercepted.

However, in the wireless command device 100 shown in FIG. 2, the digital command console audio signal and the digital mobile device audio signal pass through the same link circuit 150, and each command console 110 _{1 to} 110 _n includes because only volume control circuit 113 ₁ to 113 _n for adjusting the volume of sound output from the speaker 112 ₁ to 112 _n is not provided, the volume adjusting circuits 113 ₁ to
113 _n is possible for (1) and (2) above, but (3) and (4) above.
) Is impossible.
For this reason, in order to avoid listening to transmission contents from other command boards and transmission contents from the mobile station, the volume control circuits 113 _{1 to} 113 _n must be operated without being used. Employees on the floor where _{1 to} 110 _n are installed are connected to each speaker 112 ₁ to 1.
There was a problem that other work had to be done while listening to the sound output from 12 _n all day.

  An object of the present invention is to provide a wireless command device capable of arbitrarily selecting whether transmission contents from other command consoles and transmission contents from mobile devices can be intercepted.

The wireless command device of the present invention is a wireless command device ( ₁ ) including a plurality of command consoles (10 ₁ to 10 _n ) and a centralized monitoring control device (20). Handset (11 _{1 to} 11 _n ), speaker (12 _{1 to} 12 _n ), and mobile unit sound volume adjustment circuit (13 _{1 to} 13 _n) for adjusting the sound volume from the mobile unit output from the speaker ) and, a command console for audio volume adjustment circuit for adjusting the sound volume of the sound from the other command console output from the handset and the speaker (14 ₁ to 14 _n), the centralized monitoring and control device, Mobile unit voice link means (32 _{1 to} 32 _n , 51) for sending a mobile unit voice signal from the mobile unit to the mobile unit voice volume control circuit of the plurality of command tables, and the corresponding command table Of the handset Command console audio link means _{(33 1 ~33 n, 52,61 1} ~61 n) for sending a command console audio signal al to the command console for sound volume control circuit of the plurality of command console and a, The mobile device audio volume adjusting circuit is provided between the mobile device audio link means and the speaker, and the command console audio volume adjusting circuit is provided with the command console audio link means and the mobile device. By being provided between the audio volume control circuit and the handset, it is possible to arbitrarily select whether transmission contents of all other command consoles and transmission contents from all mobile devices can be intercepted. It is characterized by.
Here, the mobile unit audio link means includes a plurality of mobile unit audio decoding circuits (32 _{1 to} 32 _n ) respectively connected to the mobile unit audio volume adjustment circuits of the plurality of command consoles, and the mobile unit. A mobile voice link circuit (51 for outputting a mobile voice signal to the plurality of mobile voice decoding circuits
A plurality of command console voice decoding circuits (33 _{1 to} 33 _n ) connected to the command console voice volume adjustment circuit of the plurality of command consoles, respectively, A command console speech link circuit (52) for outputting the command console speech signal to the plurality of command console speech decoding circuits, and a circuit (61) for outputting the command console speech signal to the command console speech link circuit. _{1 to} 61 _n ).
In addition, the mobile device audio volume adjustment circuit is provided between the mobile device audio decoding circuit and the speaker, and the command console audio volume adjustment circuit includes the command console audio decoding circuit and the speaker. It may be provided between the mobile device sound volume adjustment circuit and the handset.

The wireless command device of the present invention has an effect that it can satisfy all the following items required from the operational aspect of business.
(1) When you want to intercept the contents of transmission from all other command consoles and when you do not (2) When you want to intercept the contents of transmission from all mobile devices and when you do not (3) Send from all mobile devices If you want to intercept the content but do not want to intercept the content transmitted from all other command consoles (4) You do not want to intercept the content transmitted from all mobile devices, but the content transmitted from all other command consoles If you want to intercept

  The mobile unit audio signal from the mobile unit and the command unit audio signal from the command console handset are separately selected for the purpose of arbitrarily selecting whether transmission contents from other command boards and transmission contents from the mobile unit can be intercepted. This was realized by sending the data from the link circuit to a separate volume control circuit.

Embodiments of a wireless command device and a wireless command transmission / reception method using the same according to the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a wireless command device 1 according to an embodiment of the present invention includes n command consoles 10 ₁ to 10 ₁ .
10 _n , the centralized monitoring control device 20, and n transmission / reception units 70 ₁ to 70 _n .
Here, each command console 10 ₁ to 10 _n, and the handset 11 ₁ to 11 _n, a speaker 12 ₁
12 _n , mobile device sound volume adjustment circuit 13 _{1 to} 13 _n for adjusting the sound volume from the mobile device output from speakers 12 _{1 to} 12 _n , handset 11 _{1 to} 11 _n and speaker 12 ₁ to other a command console for audio volume control circuit 14 ₁ to 14 _n for adjusting the volume of the sound from the command console is provided for output from the 12 _n.

The centralized monitoring control device 20 includes n command console controllers 30 ₁ to 30 _n , a time division switch (TDSW) 40, a mobile unit voice link circuit 51, a command console voice link circuit 52, and n pieces. Wireless control units 60 _{1 to} 60 _n .
30 ₁ to 30 _n each command console control unit, the handset 11 ₁ of the corresponding command console 10 ₁ to 10 _n ~
Encoding circuits 31 _{1 to} 31 _n that perform analog / digital conversion on the analog command table voice signal from 11 _n and then encode it (for example, encode it into a 400 MHz band SCPC system signal) to convert it into a digital command table voice signal. Mobile voice decoding circuits 32 _{1 to} 32 _n for decoding digital mobile voice signals input from the mobile voice link circuit 51 and then converting them into analog / mobile voice signals by digital / analog conversion; And a command console speech decoding circuit 33 _{1 to} 33 _n for decoding a digital command console speech signal input from the command console speech link circuit 52 and then converting the digital command / analog to an analog command console speech signal. Prepare.

Time division switch 40, the command console control unit 30 ₁ to 30 _n of the encoding circuit 31 ₁ to 31 _n digital command console each radio control unit 60 _through 603 select one of the audio signals input from the _n Output to.
Each wireless control unit 60 ₁ to 60 _n includes a rotating lump circuit 61 ₁ to 61 _n for sending digital command console audio signal inputted from division switch 40 when the respective command console 10 ₁ to 10 _n, the digital command Modulation circuits 62 _{1 to} 62 _n that modulate a table voice signal with a carrier wave signal and convert it to a transmission signal, and transmission and reception units 70 ₁ to 70 _n , respectively, demodulate reception signals from base stations connected by radio or wire. Demodulator circuits 63 _{1 to} 63 _n for converting into digital mobile unit voice signals.
Each transceiver 70 ₁ to 70 _n is a transmission signal input from the modulation circuit 62 ₁ through 62 _n of the corresponding radio control unit 60 ₁ to 60 _n, and transmits to the mobile station via a base station connected to The reception signal transmitted from the mobile station via the connected base station is received and output to the demodulation circuits 63 _{1 to} 63 _n of the corresponding radio control units 60 _{1 to} 60 _n .

The mobile device voice link circuit 51, the radio controller 60 _through 603 each command console controller digital mobile audio signals inputted from _n 30 ₁ to 30 _n mobile audio decoding circuit 32 ₁ to 32 _n Output to.
Command console audio link circuit 52, a command console audio decoding circuit 33 ₁ ~ 33 _n for each radio control unit 60 ₁ to 60 _n each command the digital command console audio signal inputted from the console control unit 30 ₁ to 30 _n Output to.

The analog mobile unit audio signals output from the mobile unit audio decoding circuits 32 _{1 to} 32 _{n of the} command console control units 30 ₁ to 30 _n are sent to the corresponding handset 11 _{1 to} 11 _n of the command consoles 10 ₁ to 10 _n. In addition to being output, the sound volume is adjusted by the mobile device sound volume adjustment circuits 13 _{1 to} 13 _{n of} the corresponding command consoles 10 ₁ to 10 _n and then output to the speakers 12 _{1 to} 12 _n .
In addition, the analog command console voice signals output from the command console voice decoding circuits 33 _{1 to} 33 _{n of the} command console control units 30 ₁ to 30 _n are the volume of the command console voice of the corresponding command consoles 10 ₁ to 10 _n. in after the volume has been adjusted by the adjustment circuit 14 ₁ to 14 _n, is output to the handset 11 ₁ to 11 _n corresponding command console 10 ₁ to 10 _n, corresponding command console 10 ₁ to 10 _n mobile unit After the sound volume is adjusted by the sound volume adjusting circuits 13 _{1 to} 13 _n , the sound is output to the speakers 12 _{1 to} 12 _n .

Thus, in each of the command consoles 10 ₁ to 10 _n , the contents transmitted from the other command consoles 10 ₁ to 10 _n and the content transmitted from the mobile device are respectively adjusted in volume, and the handsets 11 _{1 to} 11 _n and the speakers are adjusted. The sound is output from 12 _{1 to} 12 _n .

Next, the operation (wireless command transmission / reception method) of the wireless command device 1 according to the present embodiment will be described.
First, the operation of the wireless command device 1 for sending a voice command from the handset 11 ₁ of FIG. 1 shown uppermost command console 10 _1.
When personnel issue a voice command from the handset 11 _first command console 10 _1, analog command console audio signal outputted from the handset 11 ₁ includes an analog / digital conversion by the encoding circuit 31 ₁ of the command console control unit 30 ₁ After being encoded, it is converted into a digital command desk voice signal. The digital command console audio signal, when selected by the split switch 40, it is output for example to the radio control unit 60 _1.

The digital command console audio signal input to the wireless control unit 60 ₁ is modulated by a carrier wave signal by the modulation circuit 62 ₁ , converted into a transmission signal, and then output to the transmission / reception unit 70 ₁ .
It is transmitted to the mobile station via the transceiver unit 70 ₁ and connected to the base station.

The digital command console audio signal input to the radio control unit 60 _1, times included circuit 61 ₁ after being outputted to the command console audio link circuit 52 by the command console of the command console control unit 30 ₁ to 30 _n By being output to the voice decoding circuits 33 _{1 to} 33 _n , it is converted into an analog command desk voice signal. Each analog command console audio signal is adjusted in volume by the command console audio volume adjustment circuits 14 _{1 to} 14 _n of the corresponding command console 10 ₁ to 10 _n and then the corresponding command console 10 _1.
To 10 _n handsets 11 _{1 to} 11 _n , respectively, and corresponding command console 1
The sound volume is adjusted by the sound volume adjustment circuits 13 _{1 to} 13 _n for the mobile device voices 0 ₁ to 10 _n and then output to the speakers 12 _{1 to} 12 _n , respectively.

Thereby, for example, the person in charge at the lowermost command console 10 _n shown in FIG. 1 does not want to intercept the transmission content from the other command consoles 10 ₁ to 10 _n-1, or the transmission content from the mobile device is I want to intercept, when the transmission contents from the command console 10 ₁ do not want to intercept, by maximally reducing the amplitude of the analog command console audio signal by a command console 10 _n command console for sound volume control circuit 14 _n of The voice indicating the content transmitted from the command console 10 ₁ can be prevented from being output from the handset 11 _n and the speaker 12 _n .

Next, FIG. 1 illustrates the command console 1 a received signal from the mobile station received by the uppermost receiving portion 70 ₁
The operation of the wireless command device 1 when sending to 0 ₁ to 10 _n will be described.
The received signal from the mobile device received by the transmission / reception unit 70 ₁ is demodulated by the demodulation circuit 63 ₁ of the radio control unit 62 ₁ and converted into a digital mobile device voice signal, and then output to the mobile device voice link circuit 51. Is done.

The digital mobile unit voice signal is output to the mobile unit voice decoding circuits 32 _{1 to} 32 _n of the command console control units 30 ₁ to 30 _{n by} the mobile unit voice link circuit 51, thereby converting the digital mobile unit voice signal into an analog mobile unit voice signal. Converted. Each analog mobile audio signal is output respectively to the handset 11 ₁ to 11 _n corresponding command console 10 ₁ to 10 _n, corresponding command console 10 ₁ to 10 _n mobile voice for volume control circuit 13 ₁ After the volume is adjusted by ˜13 _n , the sound is output to speakers 12 ₁ ˜12 _n , respectively.

Thereby, for example, the person in charge at the lowermost command console 10 _n shown in FIG. 1 does not want to intercept the transmission content from the mobile device or does not want to intercept the transmission content from the mobile device. If the contents transmitted from the consoles 10 ₁ to 10 _n-1 are to be intercepted, the amplitude of the analog mobile device audio signal is minimized by the mobile device audio volume adjustment circuit 13 _n of the command console 10 _n to move The sound indicating the content transmitted from the machine can be prevented from being output from the speaker 12 _n .

  As described above, the wireless command device of the present invention can be used as a wireless command device capable of intercepting the voice from the mobile device and the voice from the handset of each command console at each command console.

It is a block diagram which shows the structure of the radio | wireless command apparatus by one Example of this invention. Example 1 It is a block diagram which shows the structure of the conventional radio | wireless command apparatus.

DESCRIPTION OF SYMBOLS 1 Radio command apparatus 10 ₁ to 10 _n Command console 11 _{1 to} 11 _n Handset 12 _{1 to} 12 _n Speaker 13 _{1 to} 13 _n Mobile device sound volume adjustment circuit 14 _{1 to} 14 _n Command console sound volume adjustment circuit 20 Centralized monitoring Controllers 30 ₁ to 30 _n Command console controller 31 _{1 to} 31 _n Encoding circuit 32 _{1 to} 32 _n Mobile device speech decoding circuit 33 _{1 to} 33 _n Command console speech decoding circuit 40 Time division switch (TDSW)
51 Mobile device voice link circuit 52 Command console voice link circuit 60 _{1 to} 60 _n Wireless control unit 61 _{1 to} 61 _n wrap-around circuit 62 _{1 to} 62 _n modulation circuit 63 _{1 to} 63 _n demodulation circuit 70 ₁ to 70 _n Part

Claims (3)

A wireless command device (1) comprising a plurality of command consoles (10 ₁ to 10 _n ) and a centralized monitoring control device (20),
Each of the plurality of command consoles includes a handset (11 _{1 to} 11 _n ) and a speaker (12 ₁
To 12 _n ), a mobile device sound volume adjustment circuit (13 _{1 to} 13 _n ) for adjusting the sound volume from the mobile device output from the speaker, and other commands output from the handset and the speaker and a command console for audio volume adjustment circuit for adjusting the sound volume of the sound from the console (14 ₁ ~14 _n),
Mobile unit voice link means (32 _{1 to} 32 _n , 51) for the centralized monitoring control device to send a mobile unit audio signal from the mobile unit to the mobile unit audio volume control circuit of the plurality of command consoles. If, corresponding the command console the command console audio link means for sending a command console audio signal to the command console for sound volume control circuit of the plurality of command consoles from the handset (33 ₁ ~33 _n, 52 of, 61 _{1 to} 61 _n ) ,
The mobile device audio volume adjusting circuit is provided between the mobile device audio link means and the speaker, and the command console audio volume adjusting circuit is provided with the command console audio link means and the mobile device. By being provided between the sound volume adjustment circuit and the handset, it is possible to arbitrarily select whether transmission contents of all other command consoles and transmission contents from all mobile devices can be intercepted.
A wireless command device. The mobile station voice link means, and the plurality of the plurality of mobile stations the audio decoding circuit connected to each of the mobile station for speech volume control circuit command console (32 ₁ ~32 _n), the mobile station speech signal A mobile unit voice link circuit (51) for outputting the mobile unit voice decoding circuit to the plurality of mobile unit voice decoding circuits,
The command console audio link means, and the plurality of the plurality of command consoles speech decoding circuit connected to each of the command console for sound volume control circuit command console (33 ₁ ~ 33 _n), the command console audio signal Is output to the plurality of command console voice decoding circuits, and a wrap circuit (61 _{1 to} 61 _n ) for outputting the command desk voice signal to the command console voice link circuit. With
The wireless command device according to claim 1. The mobile device audio volume adjustment circuit is provided between the mobile device audio decoding circuit and the speaker,
The command console audio volume adjustment circuit is provided between the command console audio decoding circuit, the mobile device audio volume adjustment circuit, and the handset.
The wireless command device according to claim 2.

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