JPH087796Y2 - Portable centralized remote monitoring and control equipment for substations - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a centralized far-distance monitoring and control apparatus for a substation for electric railways, for example, in a multi-drop type centralized far-distance monitoring and control system using DC pulse transmission. ,
The present invention relates to a portable centralized distant monitoring control device for a substation that is carried to an arbitrary substation and performs centralized monitoring control when a control station device or a communication line fails to control the substation.

[Prior Art] In a centralized supervisory control system for a substation for an electric railway, when a failure occurs in a control station device, conventionally, a device called a moving distance control device (for a control station) is used. This moving distance control device is composed of a control panel (operation panel) and a relay panel in the distance control system.

[Problems to be Solved by the Invention] However, the above conventional device has the following drawbacks.

(1) The conventional device has a large outer shape and weighs about 100k.
It is large, and it requires a car to be divided and carried.

(2) The remote control group and the substations that belong to that group are fixed, and when a single device is used to monitor and control substations in multiple groups, the operation handle or fault indicator is used or not used each time. Need to be classified, and so on.

The present invention solves the above-mentioned conventional drawbacks, and provides a centralized distant monitoring control device for a substation that can be easily carried and that can easily monitor and control a plurality of substations. To aim.

[Means for Solving Problems] In order to achieve the above-mentioned object, the device of the present invention is (1)
An alternative device to the central control station in a substation centralized remote monitoring control system for controlling a plurality of substations organized into one or a plurality of groups by one central control station, and having the function of the control station as a micro controller. A centralized distant monitoring control unit composed of a computer, a memory card in which a card is prepared for each of the organized groups and which stores a remote control signal corresponding to the substation and equipment, and information of the memory card is read. A memory card reading device to be passed to the centralized remote monitoring controller, a keyboard for inputting operation signals to the central remote monitoring controller, and a transmission / reception code provided between the central remote monitoring controller and the communication line of the centralized control system. A transmission / reception circuit for transmitting and receiving data, a liquid crystal display unit that is connected to the centralized distant monitoring control unit and displays the status of substation equipment, and a mobile phone that collectively stores the above-mentioned components. It is possible to control the target substation by connecting the device to a communication line at any substation and reading the memory card corresponding to the controlled remote control group by the memory card reading device. A portable centralized remote monitoring and control device for a substation, characterized in that (2) the memory card stores information about the substation and equipment belonging to the group and the type of failure in a single-line connection diagram, By connecting the device to a communication line at an arbitrary substation and reading the memory card corresponding to the controlled remote control group by the memory card reading device, the single line connection diagram is displayed on the liquid crystal display unit. It is a portable centralized remote monitoring and control device for a substation, characterized in that the operating status of the equipment and the failure status of the equipment are displayed on the figure.

[Operation] The transmission / reception circuit is connected to the communication line of the centralized control system, the memory card of the corresponding group is set in the memory card reader, and the key operation is performed with the keyboard to monitor the equipment status on the LCD display unit screen and the substation Control equipment.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a system block diagram showing the basic configuration of the device of the present invention. Reference numeral 1 is a centralized distant supervisory control unit configured by a microcomputer (MPU) for the functions of a control station in a substation centralized control system, and is programmed by a CPU. It controls the memory, interrupt control circuit, and timer circuit, and receives the interfaces of the printer, keyboard, circuit control, and clock circuit.

Reference numeral 2 denotes a memory card reading device that reads information from the memory card and transfers the information to the centralized distant monitoring control unit 1. The memory card inserted in the reading device 2 includes substations and substations belonging to the group for each centralized control group configuration. The distance control signal corresponding to the device is stored.

Reference numeral 3 is a keyboard for inputting operation signals, which is used to perform various operations related to centralized control such as selection of relevant substations and relevant equipment, operation contents, and execution of control.

Reference numeral 4 is a transmission / reception circuit that directly transmits / receives a transmission / reception code to a communication line of the centralized control system.
It is a line controller that connects the MPU and the transmission / reception circuit 4.

Further, 5 is a liquid crystal display unit for displaying a single-line connection diagram of the substation and the states of various devices, by which the operation contents and the result by the keyboard 3 can be confirmed.
Reference numeral 7 denotes an LCD controller that converts a signal from the MPU into a signal to be displayed on the liquid crystal display unit 6.

Further, 8 is a printer for printing and recording various information such as time, substation name, device name, control / display contents, and electric energy, etc. relating to remote monitoring control of the substation. It is a printer controller that controls the signal from the MPU to a signal compatible with the printer for printing and recording.

In addition, 10 is the control power supply DC100V DC24V, DC5V required for the device
It is a power supply conversion device that converts into a stable power supply.

The device of the present invention has necessary and sufficient functions as a centralized far-distance monitoring device by combining the above-mentioned respective parts. The device of the present invention collectively stores the above-mentioned parts in a portable box and makes it convenient to carry. 2 is an external view of the device of the present invention, and FIG. 3 is an operation panel. As shown in the figure, the device of the present invention is housed in an attache case type portable box 11.
The liquid crystal display unit 6 is provided on the lid side 12 of the device, the basic components are housed in the main body 13, and the operation panel 14 is provided on the upper surface of the main body 13 to facilitate the operation and handling. That is, the operation panel 14, as shown in detail in FIG.
Power supply, memory card, line power supply, line connection terminal,
A printer unit, a switch, various keys and the like are arranged, and a power conversion device 1 shown in FIG.
0, various controllers 5, 7, 9, printer 8, transmission / reception circuit 4
Also, the centralized remote monitoring control unit 1 and the like are housed.

Then, connecting lines of the centralized control system are connected to the line connection terminals of the transmission / reception circuit 4 of the device of the present invention, the corresponding memory card is inserted into the memory card reading device 2, and the liquid crystal display unit 6 is connected to the substation with a single line wiring diagram. Is displayed and a predetermined control is performed by operating a key on the keyboard 3.
FIG. 4 shows a concrete application example of the device of the present invention. This is a multi-drop type remote control system using DC pulse transmission.In order to maintain and secure the function of supervisory control when the communication line is disconnected at the nearest point of the control station, the device of the present invention is brought into the ass controlled station and connected. By doing a
In ss, an example of performing monitoring control by this device is shown.

[Effect of the Invention] As described above, the device of the present invention is configured by applying the arithmetic circuit of the computer by digitizing the logic circuit of the control station, and the entire device is integrated and stored in the portable box. This makes it convenient to carry and extremely easy to handle.

Also, using the memory card created for each distance group,
Since the selection of the group is performed by replacing the memory card, the control operation becomes easy and the range of applying the device of the present invention to the centralized control system can be expanded.

Further, by displaying a single-line connection diagram of each substation on the liquid crystal display screen, it is possible to achieve a great practical effect such that it is possible to easily monitor the status of substation equipment and operate the equipment while viewing the screen.

[Brief description of drawings]

FIG. 1 is a system block diagram showing the configuration of an embodiment of the device of the present invention, FIG. 2 is an external view of an embodiment of the device of the present invention, FIG. 3 is a front view of an operation panel of the device of the present invention, and FIG. It is an explanatory view of use of the device of the present invention. 1 ... Centralized remote monitoring unit (MPU) 2 ... Memory card reader 3 ... Keyboard 4 ... Transmission / reception circuit 6 ... Liquid crystal display unit 11 ... Portable box

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-58-107033 (JP, A) JP-A-58-39195 (JP, A) JP-A-61-58438 (JP, A) Actual development Sho-57- 10010 (JP, U)

Claims (2)

[Scope of utility model registration request] 1. An apparatus substituting for the central control station in a substation centralized remote monitoring control method for controlling a plurality of substations organized into one or a plurality of groups by one central control station. A centralized distant monitoring control unit having a function of a microcomputer, a memory card in which a card is prepared for each of the organized groups and which stores a remote control signal corresponding to the substation and equipment, and the memory card It is provided between the memory card reader that reads the information of the above and passes it to the remote monitoring control unit, the keyboard that inputs the operation signal to the central remote monitoring control unit, and the communication line between the central remote monitoring control unit and the central control system. A transmission / reception circuit that transmits and receives transmission / reception codes, a liquid crystal display unit that is connected to the centralized remote monitoring control unit and displays the status of substation equipment, and the above components are collectively stored. A portable box that is equipped with a portable box, is connected to the communication line at an arbitrary substation, and the memory card reading device reads the memory card corresponding to the controlled remote control group, thereby controlling the target substation. A portable centralized remote monitoring and control device for substations, which enables 2. The memory card stores information about substations and equipment belonging to the group and the type of failure in a single-line connection diagram, and connects this device to a communication line at any substation to control a controlled object. By reading the memory card corresponding to the group by the memory card reading device, the single line connection diagram is displayed on the liquid crystal display unit, and the operating state of the device and the failure state of the device are displayed on the diagram. The portable centralized remote monitoring and control device for a substation according to claim 1.