JPS6313586B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a remote monitoring and control device that can simultaneously control the same type of controlled equipment installed at a plurality of controlled stations.

2. Description of the Related Art Conventionally, a remote monitoring and control device that monitors and controls lighting equipment and power systems of a plurality of controlled stations from a remote control center has been configured, for example, as shown in FIG. 1. As shown in Figure 1, the control center has a master station device 1.
A plurality of controlled devices 2-11 to 2- installed in these controlled locations are provided at a plurality of controlled stations.
1M, ..., 2-N1 to 2-NM (In addition, when indicating an arbitrary controlled device, it is expressed as controlled device 2.)
corresponding to slave station devices 3-1 to 3-N (in addition, when indicating an arbitrary slave station device, it is expressed as slave station device 3).
is provided.

The master station device 1 is the slave station device 3 of a plurality of controlled stations.
-1 to 3-N, the control device 4,
It is composed of a designation input circuit 5, a control input circuit 6, a parallel-to-serial conversion circuit 7, and conversion circuits 8-1 to 8-N. The control operation device 4 has a device address field that specifies the slave station device 3 corresponding to the controlled device 2 to be controlled, and a device to specify the controlled device 2 to be controlled, by pressing a push button switch, for example. It outputs an individual designation signal A1 consisting of an address part and a control signal B1 indicating the control content of the controlled device 2 which is the controlled object, for example, on/off.The individual designation signal A1 is given to the designation input circuit 5. , control signal B1 is applied to the control input circuit 6. The designation input circuit 5 converts the individual designation signal A1 given from the control operator 4 into an individual designation code A2 necessary for transmitting it to the controlled station. Further, the control input circuit 6 converts the control signal B1 given from the control operator 1 into a control code B2 necessary for transmitting it to the controlled station. The parallel-to-serial conversion circuit 7 inputs the individual designation code A2 and control code B2 output from the designation input circuit 5 and the control input circuit 6, and converts the synchronization data word C and designation/control data word D as shown in FIG. The serial code E is converted into a word-structured serial code E, and the serial code E is cyclically outputted until a confirmation signal indicating that the serial code E has been received is given from the slave station device 3. The synchronization data word C causes each of the slave station devices 3-1 to 3-N to start receiving the synchronization data word C. Further, the designation/control data word D includes an individual designation code A2 and a control code B2.
It is composed of. The modulation circuits 8-1 to 8
-N inputs the serial code E cyclically output from the parallel-to-serial conversion circuit 7 and modulates this serial code E, and the modulation signal is sent to the modulation circuits 8-1 to 8-1.
Slave station device 3 of the controlled station corresponding to 8-N respectively
-1 to 3-N.

The slave station devices 3-1 to 3-N receive the transmission signal given from the master station device 1, and if they confirm the reception, they give a confirmation signal to the master station device 1 and send the controlled device 2 to the controlled device 2 by the received signal. They each have the same configuration. Therefore, the configuration will be explained using the slave station device 3-1 as an example. The slave station device 3-1 includes a demodulation circuit 9, a serial-to-parallel conversion circuit 10, an individual designation detection circuit 11, and an AND circuit 1
2-1 to 12-M (when indicating an arbitrary AND circuit, it is expressed as AND circuit 12), control signal output circuits 13-1 to 13-M (when indicating an arbitrary control signal output circuit) The control signal output circuit 13 is comprised of a control signal output circuit 13). The demodulating circuit 9 inputs the modulated signal transmitted from the modulating circuit 8 and demodulates this modulated signal, and the demodulated signal is given to the serial-to-parallel converter circuit 10. This serial-to-parallel conversion circuit 10 converts the demodulated signal given from the demodulation circuit 9 into parallel codes of the individual designation code A2 and the control code B2.The individual designation code A2 is given to the individual designation detection circuit 11, and the control code B2 is applied to AND circuits 12-1 to 12-M. The individual designation detection circuit 11 is connected to each slave station device 3-1.
A unique device address corresponding to ~3-N is stored in advance, and when the individual designation code A2 is given from the serial-parallel conversion circuit 10, the device address of this individual designation code is compared with the stored device address. And only when both match, AND circuit 12-1
12-M, a "1" signal is given to the AND circuit 12 designated by the device address section of the individual designation code A2. Control signal output circuit 13-1~
13-M inputs the control code B2 through the AND circuit 12 to which the "1" signal is given from the individual designation detection circuit 11 among the AND circuits 12-1 to 12-M to which the control code B2 is given. This control code B2 is then converted into a control signal B1, and this control signal B1 is given to the controlled device 2.

In the remote monitoring and control device configured as described above, when the addresses and control contents of any slave station device 3 and controlled device 2 are set by button operation of the control device 4 of the master station device 1, the device to be controlled is Individual designated signal A1 corresponding to controlled equipment in control center
is applied to the designation input circuit 5, and a control signal B1 indicating the control content is applied to the control input circuit 6.
Individual designation signal A1 and control signal B1 are converted into individual designation code A2 and control code B2 by designation input circuit 5 and control input circuit 6, respectively. This individual designation code A2 and control code B2 are converted into a serial code E shown in FIG. 2 by a parallel-serial conversion circuit 7, and this serial code E is
-Slave station device 3 of the controlled station modulated by N-
1 to 3-N. This transmitted modulated signal is received by slave station devices 3-1 to 3-N, demodulated by each demodulation circuit 9, and then serial to parallel conversion circuit 1.
given to 0. The demodulated signal given to the serial-parallel conversion circuit 10 is converted into a parallel code of an individual designation code A2 and a control code B2, the individual designation code A2 is given to the individual designation detection circuit 11, and the control code B2 is sent to an AND circuit 12- 1 to 12-M. The device address of the individual designation code A2 given to the individual designation detection circuit 11 is compared with the stored device address, and only when the two match, "1" is sent to the AND circuit 12 corresponding to the device address of the individual designation code A2.
A signal is given. AND circuit 12-1 to 12-
Since control code B2 is given to M first,
The AND condition is satisfied in the AND circuit 12 to which the "1" signal is applied from the individual designation detection circuit 11, and the control code B2 is applied to the control signal output circuit 13 via the AND circuit 12. Control code B2 is output circuit 1
3, it is converted into a control signal B1 and given to the controlled device 2. Therefore, this controlled device 2 is controlled by the control signal B1.

On the other hand, when performing the same control on the same type of controlled devices 2 in each control center, the control operation device 4 is operated to first transfer the control from the master station device 1 to the slave station device 3-1, for example. A second device that controls a specific controlled device.
As shown in the figure, when a word-structured signal is cyclically transmitted and a reception confirmation signal is given from this slave station device 3-1, the control operator 4 is operated again to send the slave station device 3-2. Sends the specified signal to the cycle. In this way, when the reception confirmation signal is given, the control device 4 is operated to sequentially give a signal to the next slave station device, thereby controlling the same type of controlled devices 2 in the same manner. Therefore, in this case, by repeatedly operating the control device 4,
All individual designation signals A1 and control signals B1 for multiple controlled devices must be designated,
This increased the amount of time required for operators to operate the system, causing problems in operation and monitoring.

On the other hand, there is a remote monitoring and control device that collectively controls the same type of controlled devices in the same manner as shown in FIG. FIG. 3 is shown in correspondence with FIG. 1, and the same parts as in FIG. 1 are given the same reference numerals, and the explanation of those parts will be omitted.

As shown in FIG. 3, the master station device 14 of the control center is
Control operating device 15, designated input circuit 5, control input circuit 6, scanning circuit 16, parallel-to-serial conversion circuit 7, modulation circuit 8
-1 to 8-N. Control operator 1
5 is the same type of controlled equipment 2 in multiple controlled stations.
When controlling the same type of devices all at once, a batch designation signal A1a that specifies the same type of controlled devices 2 is outputted, and its control signal B1 is also output, and the controlled devices of any controlled station are specified. In the case of control, the system outputs an individual designation signal A1 that designates a specific controlled station and controlled equipment and its control signal B1, and the individual designation signal A1 or collective designation signal A1a is sent to the designation input circuit 5. The control signal B1 is applied to the control input circuit 6. The collective designation signal A1a has a device address section. The scanning circuit 16 converts the individual designation code A1 or the collective designation signal A1a into the individual designation code A2 or the collective designation code A2a by the designation input circuit 5.
and the control code B2 obtained by converting the control signal B1 by the control input circuit 6, and input the collective designation code A2.
If you input a, the controlled station equipment 17-1~
17-N respectively, and scan to add a device address part to these device address parts to create individual designation codes A2-1 to A2-N and add a control code B2. However, when the individual designation code A2 is input, the individual designation code A2 and the control code B2 are output as a set, and the output is given to the parallel-to-serial conversion circuit 7.

On the other hand, slave station devices 17-1 to 1 of multiple controlled stations
7-N have the same configuration. Therefore, explanation will be given by taking the slave station device 17-1 as an example. The slave station device 17-1 includes a demodulation circuit 9, a serial-to-parallel conversion circuit 10, a distribution circuit 18, and a control signal output circuit 13.
-1 to 13-N. The distribution circuit 18 inputs the plurality of individual designation codes A2, A2-1 to A2-N and control code B2 output from the serial-parallel conversion circuit 10, and inputs the individual designation code A2 or A2-1 with the matching device address. The control code B2 corresponding to ~A2-N is given to the output circuit 13 corresponding to the controlled device specified by the device address.

In the remote monitoring and control device configured in this manner, when controlling the same type of controlled equipment at multiple controlled stations at once, the collective designation signal A1a is used.
and operates the control operator 15 so that the control signal B1 is output. As a result, the batch designation signal A1
a is converted into a collective designation code A2a by the designation input circuit 5, control signal B1 is converted into a control code B2 by the control input circuit 5, and designation code A2a and control code B2 are given to the scanning circuit 16. The designation code A2a and the control code B2 are scanned by the scanning circuit 16, and device address parts corresponding to the controlled devices 17-1 to 17-N are sequentially created.
A device address portion is added to these device address portions to create individual designation codes A2-1 to A2-N, which are applied to the parallel-to-serial conversion circuit 7 together with the control code B2. The individual designation codes A2-1...A2-N and the control code B2 given to the parallel-to-serial conversion circuit 7 are the fourth
It is converted into a serial code F formed of words by a synchronization data word C and designation/control data words D-1 to D-N as shown in the figure. This serial code F
is modulated by modulation circuits 8-1 to 8-N and transmitted to slave station devices 17-1 to 17-N of the controlled station. The modulated signals given to the slave station devices 17-1 to 17-N are given to the distribution circuit 18 via the demodulation circuit 9 and the serial-to-parallel conversion circuit 10. The distribution circuit 18 extracts a specific designation code with a matching device address from the supplied individual designation code, and supplies the control code B2 to the output circuit 13 designated by the device address of the individual designation code. The control code B2 given to the output circuit 13 is converted into a control signal B1, and the control code B2 is sent to the controlled device 2.
given to. In this way, controlled devices of the same type are collectively controlled in the same way.

However, in this conventional example, as shown in Fig. 4, it is necessary to create the designation/control data words D-1 to D-N for the number of controlled stations, which requires a long control operation time. Ta.

This invention was made based on the above circumstances, and its purpose is to output a collective designation signal that designates the same type of controlled equipment of a plurality of slave station devices from a master station device, and to We provide a highly reliable remote monitoring and control device that can perform batch control operations in a short time by receiving a batch designation signal at each slave station device and giving the control signal to the controlled devices all at once. It's about sharing.

An embodiment of the present invention will be described below with reference to FIG. FIG. 5 is shown in correspondence with FIG. 1, and the same parts as in FIG. 1 are given the same reference numerals, and the explanation of those parts will be omitted.

As shown in FIG. 5, the master station device 19 of the control station includes a control operation device 20, a specified input circuit 21, a control input circuit 6, a parallel-to-serial conversion circuit 22, and a modulation circuit 8-1.
~8-N. The control operating device 20 outputs a collective designation signal A1b in addition to outputting an individual designation signal A1 and a control signal B1. This collective designation signal A1b is a signal for collectively designating the same type of controlled equipment 2 in all control stations. The designation input circuit 21 receives the individual designation signal A1 or the batch designation signal A output from the control device 20.
1b and the individual designation code A2 or collective designation code A2 necessary to transmit these to the controlled station.
b. The parallel-to-serial conversion circuit 22 is
Individual designation code A2 or collective designation code A2 output from designation input circuit 21 and control input circuit 6
b and control code B2, and input the individual designation code A.
2 is input, it is converted into a serial code E with a word structure as shown in Figure 2, and when a batch designation code A2b is input, it is converted into a synchronization data word C and a designation/control data word G as shown in Figure 5. The serial code H is converted into a word-structured serial code H, and is output cyclically until a confirmation signal indicating that the serial code E or H has been received from the controlled station is given.

On the other hand, slave station devices 23-1 to 2 of multiple controlled stations
3-N has the same configuration as described above, so the description will be given using the slave station device 23-1 as an example. This slave station device 23-1 includes a demodulation circuit 9, a series-parallel circuit 1
0, Individual designation detection circuit 24, Collective designation detection circuit 2
5, OR circuit 26-1 to 26-M, AND circuit 2
7-1~27-M, control signal output circuit 13-1~
13-M. In addition, when indicating an arbitrary OR circuit or AND circuit, OR circuit 26,
It is expressed as an AND circuit 27. Individual designation detection circuit 24
is the individually specified code A2 or the collective specified code A2b converted into a parallel code by the serial-parallel conversion circuit 10.
is input, and when the individual designation code A2 is given, the device address of this individual designation code A2 is compared with the address of the slave station device, and if they are equal, the OR circuit 26
A "1" signal is given to the AND circuit 27 via the OR circuit 26 corresponding to the device address of the individual designation code A2 among -1 to 26-M. The batch signal detection circuit 25 detects the individual designation code A2 or the batch designation code A2b output from the serial-parallel conversion circuit 10.
is input, and when the batch designation code A2b is given, a "1" signal is given to the AND circuit 27 via the OR circuit 26 corresponding to the controlled device 2 specified by the device address of the batch designation code A2b. be.

Therefore, in the remote monitoring and control device configured as described above, when controlling the same type of controlled equipment at multiple controlled stations at once, the control operator 20 is operated to send the collective designation signal A1b and Outputs control signal B1. The batch designation signal A1b is converted into a batch designation code A2b by the designation input circuit 21, and is applied to the parallel-to-serial conversion circuit 22. The control signal B1 is converted into a control code B2 by the control input circuit 6 and is applied to the parallel-to-serial conversion circuit 22. The above-mentioned collective designation code A2b and control code B2 are converted by the parallel-to-serial conversion circuit 22 into a serial code having a word structure as shown in FIG.
-N and is applied to demodulation circuits 9 of slave station devices 23-1 to 23-N of a plurality of controlled stations. The modulated signal applied to the demodulation circuit 9 is demodulated and applied to the serial-to-parallel conversion circuit 10. These demodulation circuits are collectively specified by the serial-parallel conversion circuit 10.
b and the control code B2, and the collective designation code A
2b is given to the individual designation detection circuit 24 and the batch designation detection circuit 25, and the control code B2 is given to AND circuits 27-1 to 27-M. Since the individual designation circuit 24 does not have a function of detecting the collective designation code A2b, the output is a "0" signal. When the collective designation detection circuit 24 detects the collective designation code, the OR circuit 26 corresponds to the controlled device 2 designated by the device address.
A "1" signal is given to the AND circuit 27 via the AND circuit 27.
Since the AND circuit 27 to which the "1" signal is given has previously been given the control code B2 from the serial-parallel conversion circuit 10, the AND condition is satisfied, and the control code B2 is passed through the AND circuit 27 to each slave station device 23- 1-23
-N output circuit 13. This control code B2 is converted into a control signal B1 by the output circuit 13, and is given to the same type of controlled equipment 2 at each controlled station. Therefore, the same type of controlled equipment at each controlled station is controlled all at once.

On the other hand, when controlling the controlled device 2 corresponding to each slave station device 23, the control operator 20 is operated to apply the individual designation signal A1 and the control signal B1 to the designation input circuit 21 and the control input circuit 6. It is converted into a serial code E having a word structure as shown in FIG. 2 by the parallel-to-serial conversion circuit 22, and is applied to each slave station device 23-1 to 23-N via the modulation circuits 8-1 to 8-N. The codes given to each slave station device 23-1 to 23-N are given to a serial-to-parallel conversion circuit 10 through a demodulation circuit 9. The demodulated parallel code is sent to the serial-to-parallel conversion circuit 1
0, it is converted into an individual designation code A2 and a control code B2, and the control code B2 is input to the AND circuits 27-1 to 27.
-M, and the individual designation code A2 is given to the individual designation detection circuit 24 and the batch designation detection circuit 25. It is determined whether the device address of the individual designation code A2 given to the individual designation detection circuit 24 designates the controlled device, and if so, a “1” signal is sent through the OR circuit 26 designated by the device address. The signal is applied to the AND circuit 27. The AND circuit 27 to which the “1” signal is applied has a serial-to-parallel conversion circuit 10
Since the control code B2 is given from the
2 is applied to the output circuit 13. This control code B
2 is converted into a control signal B1 by the output circuit 13 and given to the controlled device 2. Therefore, the controlled device 2 operates, for example, on and off. On the other hand, since the collective designation detection circuit 25 does not have a function of detecting the individual designation code A1, the output is a "0" signal.

Therefore, according to this embodiment, the master station device outputs a collective designation signal that designates the same type of controlled devices of the slave station device, and the slave station device receives this collective designation signal and performs the collective designation. Since control signals are given to the controlled devices all at once, there is no need to repeatedly operate the control device as in the conventional example shown in Figure 1, and the number of slave station devices is reduced as shown in Figure 4. There is no need to reserve only data words,
The transmitted signal becomes shorter as shown in FIG. Therefore, the control operation time is shortened, the command speed can be increased, and the reliability is high.

It should be noted that this invention is not limited to the above-mentioned embodiments, and it goes without saying that various modifications can be made without departing from the gist of the invention.

As explained above, according to the present invention, it is possible to provide a highly reliable remote monitoring and control device that can perform collective control operations in a short time.

[Brief explanation of the drawing]

1 and 3 are block diagrams showing the configuration of a conventional remote monitoring and control device, and FIGS. 2 and 4 are diagrams showing the word structure of a transmission signal of the remote monitoring and control device in FIGS. 1 and 3. , FIG. 5 is a block diagram showing the configuration of a remote monitoring and control device according to an embodiment of the present invention, and FIG. 6 is a diagram showing the word structure of a transmission signal of the remote monitoring and control device of FIG. 5. 2-11~2-1M,...,2-N1~2-NM
...Controlled equipment, 6...Control input circuit, 8-1 to 8-
N...Modulation circuit, 9...Demodulation circuit, 10...Serial to parallel conversion circuit, 13-1 to 13-M...Control signal output circuit, 1
9... Master station device, 20... Control operator, 21... Designated input circuit, 22... Parallel to serial conversion circuit, 23-1 to 23-
N... Slave station device, 24... Individual designation detection circuit, 25...
Batch specification detection circuit.

Claims (1)

[Claims] 1. In a remote monitoring and control device that sends and receives signals between a control center and a plurality of controlled stations to monitor and control a plurality of controlled devices installed corresponding to each of the controlled stations, the control station a control operation device that individually designates each of the controlled devices as a control target or collectively designates all of the same type of controlled devices in each of the controlled stations as a control target, and sets the control contents of the control target; , a master station device including a transmitting device that outputs the control target set by the control operator and its control contents as a set of transmission signals is provided, and each of the controlled stations is provided with a transmitter that outputs the control target and its control contents as a set of transmit signals, a receiving device that receives the transmitted signal and separates the received signal into a control object designation signal indicating the control object and a control signal indicating the control content; A collective designation detection device that detects whether the signal is a collective designation signal that collectively designates all of the same type of controlled equipment in each controlled station as a control target, and the control target designation signal controls each of the controlled equipment. an individual designation detection device that detects whether the control target designation signal is an individual designation signal that is individually designated as a target; The slave station device is provided with an output device that outputs the control signal to the controlled equipment designated by the collective designation signal or the individual designation signal when the individual designation signal is detected. A remote monitoring and control device.