KR200359366Y1 - System for a convergence system of PCS and Radio Frequency terminal remote observation control employing such terminals - Google Patents

Abstract

The present invention relates to a remote control monitoring communication system using a short range wireless terminal device and a private wireless network (PCS).

The present invention provides a communication system for monitoring and controlling a site, comprising: a sensor input / output unit for inputting data sensed from various sensors installed in a device and outputting a signal for controlling an actuator installed in the device, and storing the input data A data storage unit for controlling and determining and controlling data of a station apparatus through a short range wireless communication network, and a wireless data transmitting and receiving unit for transmitting to a comprehensive operating room using a private wireless communication network;

A sensor input / output desk for inputting or outputting a desk through a sensor input / output unit of the short-range wireless terminal device, a comparison unit capable of selecting and setting data from a repeater;

It is composed of a data processing unit for processing data in accordance with the operating program including a communication desk for transmitting and receiving data while communicating with the external system.

Description

System for a convergence system of PCS and Radio Frequency terminal remote observation control employing such terminals}

The present invention relates to a remote control and monitoring communication system using a short range radio station device and a private wireless network (PCS) station device, and in particular, to use a wireless station device in a remote control and monitoring communication system and to transmit it through a wired repeater in a certain range. By using wired and wireless system connection in a zone where it is difficult to install and operate a wired communication device, it is convenient to install and operate a communication system in a remote monitoring area.

In general, due to the development of communication technology, a system for remotely monitoring and controlling an object is also developing day by day.

This remote control monitoring communication system can be used for remote inspection of electricity, water, and gas in general households, as well as traffic and environment in areas where monitors in various fields such as tunnels, rivers, dams, bridges, ports, lighthouses, and alpine areas are difficult to reside. It monitors and controls forest fires.

However, in the conventional remote control monitoring system, since the connection means of the communication such as the remote control monitoring device and the general operation room are connected by wire, the wired communication is installed in the alpine region, the lighthouse, or the dam or bridge area. Many problems have arisen that are difficult to manage.

In addition, recently, due to the difficulty in installing a wired communication facility, wireless station equipment or repeaters have been installed at each site of the monitoring area, but this has a disadvantage in that a high cost is required.

Therefore, the present invention for solving such a problem is to install a short-range wireless end station at the site of monitoring and control, and transmit it to the general operation room through a used private wireless network (PCS), whereby In addition to facilitating the installation, operation, and management of the communication device, the purpose is to reduce the installation cost of the communication device and improve the communication system efficiency.

1 is a schematic view showing a remote control and monitoring communication system using a short range wireless terminal device and a private wireless network terminal device of the present invention

Figure 2 is a block diagram showing a remote control and monitoring communication system using a short range wireless terminal device and a private wireless network terminal device of the present invention

3 is a flowchart of an operation program of a short range wireless terminal device of the present invention.

4 is a flowchart of an operation program of the wireless repeater of the present invention.

5 is a flowchart of a server operating program of a remote monitoring control system including a short range wireless terminal device and a private wireless repeater according to the present invention.

* Explanation of Signs of Major Parts of Drawings *

10: wireless station device 11: sensor input and output unit

12: key input unit 14: wireless data transmission and reception unit

15: sensor input / output desk 16: data processing unit

17: data display unit 20: wireless repeater

21: wireless data receiving unit 22: data storage unit

23: historical data storage unit 24: data comparison unit

25: data threshold setting unit 26: data confirmation unit

27: private network transmission unit 30: general operation room system

31: wireless data transceiver 32: database server

The present invention is a communication system to monitor and control the site,

A sensor input / output unit for inputting data sensed from various sensors installed in the device and outputting a signal for controlling an actuator installed in the device, a data storage unit for storing the input data, and a short-range wireless communication network A wireless data transmission / reception unit for determining and controlling data and transmitting the data to a general operation room using a private wireless communication network;

A sensor input / output desk for inputting or outputting a desk through a sensor input / output unit of the short range wireless terminal device, a comparison unit capable of selecting and setting data from a repeater;

Characterized in that it comprises a data processor for processing data in accordance with the operating program including a communication desk for transmitting and receiving data while communicating with the external system.

1 is a schematic diagram showing a remote control and monitoring communication system using a short range wireless terminal device and a private wireless network terminal device of the present invention, Figure 2 is a remote control using a short range wireless terminal device and a private wireless network terminal device of the present invention 3 is a configuration diagram illustrating a surveillance communication system, and FIG. 3 is a flowchart of an operation program of the short range wireless terminal device of the present invention, FIG. 4 is a flowchart of an operation program of a wireless repeater of the present invention, and FIG. This is a flowchart of a server operation program of a remote monitoring control system including a private wireless repeater.

Hereinafter, with reference to the accompanying drawings, the configuration and operation effects according to the present invention in detail as follows.

As shown in FIG. 1, the present invention transmits a plurality of field short-range wireless terminal devices 10 and data received from the short-range wireless terminal device 10 to be installed at a site of a remote monitoring target to a comprehensive operation room. Wireless repeater 20 and a comprehensive operating system 30 to remotely monitor and control according to the received data.

The on-site short-range wireless terminal device 10 has a sensor input and output unit 11 for outputting the data for the control of the actuators installed in the device and the data sensed from the various sensors installed in the device, and the administrator short-range wireless terminal device in the field Key input unit 12 for directly operating the wireless communication device and setting the operating conditions and communication environment of the short-range wireless terminal device, a data storage unit 13 for storing the input data, and an external device through a wireless communication network. Wireless data transmission and reception unit 14 for transmitting and receiving data to and from the system, a sensor input and output desk 15 for inputting or outputting data through the sensor input and output unit 11, and the wireless data transmission and reception unit 14 is selected To process the data according to an operating program including a communication desk for transmitting or receiving data while communicating with the external system A processing unit 16 and a data display unit 17 configured to display data output from the data processing unit 16 are formed.

The wireless repeater 20 may include a short range wireless data receiver 21 for receiving data input and output from the short range wireless terminal device, and a data storage unit for storing data transmitted to the short range wireless data receiver 21. (22), past data storage section 23 for comparing and storing the stored data and the past data, a data comparing section 24 for comparing the stored data with the past data, and a change in arbitrary data by the user. And a data threshold setting unit 25 for setting a case in which a predetermined value is out of a predetermined range from the data transmitted from the short-range wireless terminal device, and a data checking unit for checking a condition in the threshold setting unit. (26) and a private network (PCS) transmission unit 27 for transmitting to the general operation room via a private radio when the comparison condition is confirmed.

Comprehensive operation room system 30 is equipped with a server-based operating program for remote monitoring and control in a web-based server, a private wireless network for the control and monitoring system connected directly to the Internet via a single station device capable of wireless communication and connected to the Internet And a wireless data transmission / reception unit 31 for wirelessly communicating with a terminal capable of wireless communication by connecting to the mobile terminal, and a database server 32 for storing and providing data collected or processed through the control and monitoring system.

Hereinafter, the operation and effect according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the sensor input / output unit remotely controls one or more sensors such as meter reading sensors of various instruments such as electricity meters and water meters, and various actuators installed in a target device and a circuit for inputting signals detected by the sensors. It is composed of the output circuit of control signal which can make the necessary data collection and remote control.

The image data input unit is added to collect image data that can monitor a state of a facility or a situation such as a forest fire by photographing a specific place or a facility installed at the place, for example, a small communication unit coupled to a short range wireless terminal device. One or more cameras or separate CCD cameras may be provided.

The key input unit is provided in the form of several operation buttons or keypads to allow the administrator to directly operate the short range wireless terminal device in the field and to set operating conditions and communication environment of the short range wireless terminal device.

The administrator can operate the key input unit to set a data input period for reading data from the sensor input / output unit input terminal, operation and display conditions of the input data, and a communication environment.

The data display portion is a display element such as an LCD for displaying data output from the data processing portion.

The data storage unit stores data that is processed or processed in the data processing unit, as well as data necessary for the operation of the station apparatus, such as an operation program thereof, and preferably uses a nonvolatile memory.

The data processing unit uses a processing mechanism of a microcomputer and mounts an operation program as shown in FIG.

The power management unit, the battery and the charging unit are for mobility and stable operation. The power management unit and the battery are provided to check the voltage of the power management unit and the power supply to each station apparatus, and if necessary, the charging unit is controlled to charge the battery from an external power source. .

The short-range wireless data transceiver consists of a wireless communication module that modulates and demodulates data according to the short-range wireless communication protocol. The private wireless repeater uses a short-range wireless data transceiver that receives data from the short-range wireless terminal device through the short-range wireless communication protocol. After comparing the values in the data storage section and the values in the comparator section with the user-set comparison section, or after comparing the thresholds, it is decided whether to send the data to the general operation room, and then remote monitoring control through the private wireless data transmission / reception section. Is connected to the system.

When the power of the short-range wireless terminal device configured as described above is turned on, the terminal itself is initialized by the terminal device operating program shown in FIG. 2, and then a model for generating a desk for each module is performed. All six desks are created in the mode desk. The functions of each desk are as follows.

I / O Desk: Periodically reads actual measured values from the input terminals of the sensor input / output unit and image data input / output unit of the terminal, processes them in a simple calculation process, and continuously updates them in the designated storage location in the data storage unit. When the data is received from the relay device, the data is analyzed and the updated data is output to the transmission buffer or the command is output to the output terminal in the sensor input / output unit according to the command required by the system.

Keypad Desk: Performs the function of each key operated through the key input unit.

Display desk: performs a function of displaying the given data on the data display screen according to the function set through the key input unit.

Wireless transmission desk: Decodes data received wirelessly from a supervisory control system, which is an upper system, and temporarily stores the data in the reception buffer of the wireless data transmission / reception unit.

Power management desk: checks the voltage of the battery through the power management unit and performs a function to charge the battery by driving the charging unit when a predetermined potential or less.

The operation of a short range wireless station apparatus driven by such an operation program can be classified into two types, one for remote meter reading and the other for remote control.

When the power of the private wireless repeater configured as described above is turned on, the initialization of the repeater itself is first performed by the wireless repeater operation program as shown in FIG. 3, and then a desk for generating a desk for each module is performed. All six desks are created in the mode desk. The functions of each desk are as follows.

Comparison desk: Compares the data in the short-range wireless data storage unit of the repeater with the value of the threshold data storage unit and if it meets the conditions to deliver to the private wireless reception desk to deliver to the general operation room.

Short-range wireless transmission desk: This function transmits the data temporarily stored in the transmission buffer of the wireless data transmission and reception to the short-range wireless terminal device.

Short-range wireless reception desk: Decodes data received wirelessly from a comprehensive operating room, which is an upper system, and temporarily stores the data in a reception buffer of the wireless data transceiver.

Private wireless transmission desk: This function transmits the data temporarily stored in the buffer stored from the data comparator to the wireless modem.

Private radio reception desk: Decodes data received wirelessly from a comprehensive operation room, which is an upper system, and temporarily stores the data in the reception buffer of the radio data transmission / reception unit.

Power management desk: checks the voltage of the battery through the power management unit to perform a function to charge the battery by driving the charging unit below a certain potential.

The operation of the short-range wireless terminal device driven by such an operation program is divided into two types, one for remote meter reading and the other for remote control.

First, as an example of the remote meter reading, the data detected by the meter sensor attached to the various instruments of the remote control monitoring site is input to the data processing unit through the sensor input and output unit, and then stored and managed in a designated place in the data storage unit. do.

In the data collection process, the input terminal of the sensor input / output unit is periodically checked by the data processing unit of the terminal itself, and data is inputted from the input terminal. .

In addition, the data processing unit of the short-range wireless terminal device periodically checks the reception buffer of the wireless data transmitter and receiver according to the communication environment setting state, checks whether data is received from the private wireless repeater, and if the data is received, the received data After the analysis, the general operation room requests the command.

If the received data is a command for requesting the stored field data, the data stored in the current data storage unit is taken and temporarily stored in the transmission buffer of the wireless data transmission / reception unit of the terminal, and then the wireless repeater uses a private wireless network. The operator of the server, the operator server displays the status on each terminal screen.

There are two methods of data processing wirelessly transmitting data from such a short range wireless terminal device to the general operation room. A polling method for periodically sending a data request command from the general operation room, and the wireless station device itself. Is an event driven method that detects the change in the value of the input terminal of each sensor and automatically transmits the data to the general operation room when it meets the set condition.

For example, for remote control, first select the desired control pointer from the operator of the operation room or the authorized user computer connected to the operation room server through the Internet, and execute the control command. The data transmission / reception unit transmits data informing the control command from the data transmission / reception unit to the wireless data transmission / reception unit of the selected short-range wireless terminal device via the private wireless network and the private wireless repeater.

At this time, the data processing unit of the short-range wireless terminal device analyzes the control command of the general operation room, transmits it to the sensor I / O unit, and outputs the control signal to the set port of the output terminal to perform the control command.

Comprehensive operation room system is equipped with a server operation program for remote monitoring and control on a web-based server, and connects a wireless monitoring-enabled terminal station and a control and monitoring system connected directly to the Internet through an intranet to a private wireless network. A wireless data transmission and reception unit for wirelessly communicating with a terminal capable of wireless communication and a database server for storing and providing data collected or processed through the control and monitoring system.

The server operating program mounted on the control and monitoring system performs a system initialization as shown in FIG. 4, and then generates a graphic user interface desk and a communication desk. The Graphical User Interface Desk provides a variety of solutions to collect and process data from the terminal to build a database, and to control or monitor the location of the devices installed in each terminal through the terminal.

The communication desk provides a communication solution for data collection and monitoring or remote control by wired or wireless communication according to the communication environment of each terminal for data communication with the terminal.

By providing a solution through the Internet, the monitoring control system can select a wireless station device to collect, analyze, and control data through the solution provided by the monitoring control system from an authorized user computer connected to the Internet. do.

As described above, the present invention takes advantage of short-range wireless facilities and private wireless networks and applies them as a system that is advantageous to the field situation, and uses short-range wireless terminal devices for each station device, and collects and processes data on site. By transmitting the filtered data through the private wireless network by communicating with the relay system, the data transmitted from the relay system can be processed into a desired form in the monitoring and control system and output to the screen or printer. Rather, it can be reported to the upper system administration by telephone function.

In addition, when the sensor failure or abnormality of the terminal is received, the on-site situation is transmitted to monitor the situation occurring on the site periodically or when desired by the operator.

In addition, only authorized users who are connected to the Internet can control the situation of the site from anywhere, additionally receive the image data and send it to the upper level, so that it can be easily used when an image is needed on the site. The system can be built at a cost, which is an economical and efficient design.

Claims (4)

In the communication system to monitor and control the site, A sensor input / output unit for inputting data sensed from various sensors installed in the device and outputting a signal for controlling an actuator installed in the device; A data storage unit for storing the input data; A wireless data transmission / reception unit for judging and controlling data of a station apparatus through a short range wireless communication network and transmitting to a comprehensive operating room using a private wireless communication network; A sensor input / output desk for inputting or outputting a desk through a sensor input / output unit of the short range wireless terminal device; A comparator that selects and sets data in the repeater, A data processing unit for processing data in accordance with an operating program including a communication desk for transmitting and receiving data while communicating with the external system, Remote control and monitoring communication system using a short-range wireless terminal device and a private wireless network terminal device characterized in that the configuration The method of claim 1, A remote control and monitoring communication system using a short range wireless terminal device and a private wireless network station device, characterized by forming an image data input unit for acquiring image data of a device or the station station installed therein and inputting the image data to the data processing unit. The method of claim 1, A battery for supplying power to each of the station apparatus and the repeater; A short-range wireless terminal device comprising a charging unit for charging the battery and a power management unit for checking the battery voltage to drive the charging unit when the battery voltage is lower than a predetermined voltage, and an operating program having a power management desk for controlling the power management unit; Remote Control and Surveillance Communication System Using Private Wireless Network Station The method according to any one of claims 1 to 3, A plurality of wireless terminal devices and wireless repeaters, Graphical user interface desk that collects and analyzes data from the terminal to a web-based server connected to the Internet, and provides a solution for controlling devices at each site through a single station device. The monitoring control system is equipped with an operating program including a communication desk for providing a solution for providing, a database server for storing and providing data collected and processed from the station apparatus through the monitoring control system, and the control and monitoring system Remote control and monitoring communication system using a short range wireless station device and a private wireless network station device equipped with a wireless communication means for transmitting and receiving data by wirelessly connecting to a wireless station device and a repeater.