KR200283578Y1 - System configuration of Embeded Multi-role Internet Terminal - Google Patents

Abstract

An embedded multi-role internet terminal is disclosed. The embedded Internet multi-function connection device of the present invention is a various connection method for acquiring various user information, such as a wireless modem, serial interface of office and production facility, USB interface of PC camera, NTSC, PAL analog video interface. Digital and analog signal interfaces. In the present invention, by using this information, the various information of various devices in real life can be converged as much as possible. It provides wired / wireless integrated solution through internet such as software / firmware download, short-range wireless access terminal access, video promotion, education, facility management system, bank cash machine monitoring and recording, and security using image or mail.

Description

System Configuration of Embeded Multi-role Internet Terminal

The present invention relates to an embedded Internet multi-function access device, and in particular, to connect various information output from various offline devices in real life, various independent driven information equipment systems and facilities of a production plant that are not easily connected to the Internet through the Internet. An embedded multi-role internet terminal.

Due to the development of hardware technology such as semiconductors and the rapid spread of the Internet, the development of the Internet technology is rapidly progressing globally. As the Internet is widely used as a communication standard, the necessity of internet connection of various information devices other than the PC increases, and accordingly various offline devices By connecting independent devices to the Internet, I can quickly collect, process and share information. By exchanging information between information terminals in this way, the management becomes more powerful and the user can have the effect of speedy, convenience and cost reduction.

At this time, serial communication means are importantly used in industrial equipment and the like as a method of information transmission. However, the collection and processing of serial data requires an industrial PC, which is not efficient in terms of space, cost, and maintenance. The same is true for digital and analog signal input / output information. In addition, various methods of serial communication also require an additional device (converter, etc.) in terms of network configuration and management.

That is, in order to perform the management, monitoring, control, detection, diagnosis, etc. of the offline device, independent drive devices, the following problems are involved.

1. Excessive facility cost based on PC.

2. It requires a lot of maintenance cost due to numerous wiring connections.

3. It is difficult to control remote industrial devices and manage distributed devices.

4. It is difficult to integrate and manage data by separate control for each industrial device.

5. Productivity is reduced due to time lag and high error rate of data collection between workplaces.

6. The integrated management of various user data is handled as a separate management system, making redundant facility investments.

Accordingly, an object of the present invention is to develop a system for accommodating various interfaces (various data, voice) of a user by connecting various target devices to the Internet, which is a standard network, to provide an efficient control system for remotely distributed industrial equipment, and to provide various information. Provide standard Internet equipment for wired and wireless connection, provide light and small connection system that can be easily applied to target devices, provide network management service (NMS) function for diagnosis and maintenance of target devices, integrated management of various information and The company aims to provide an embedded multi-role internet terminal that enables database construction.

In addition, the present invention adopts the open source embedded Linux as a real-time operating system to reduce the unit cost of the product, and to introduce the module concept to flexibly cope with the required user interface capacity, the embedded Internet multifunction to adjust the number of ports per interface Its purpose is to provide an Embedded Multi-role Internet Terminal.

1 is a view showing a concept of operation using the embedded Internet multi-function access device according to the present invention,

2 is a control block diagram of the embedded Internet multi-function access device of the present invention.

Explanation of symbols on the main parts of the drawings

10: EMIT 11: Core Module

12: Ethernet connection 13: Serial communication

14: short-range wireless communication unit 15: digital / analog data unit

16: USB part 17: video connection part

18: MPEG1 processing unit 20: server (gateway)

30: Target device 1 (serial communication unit) 40: Target device 2 (near field wireless communication unit)

50: target device 3 (digital / analog data section)

60: Target device 4 (video connection part-USB, NTSC / PAL)

70: remote host 80: Internet network

90: mobile communication network 100: mobile terminal

The embedded Internet multi-function access device of the present invention for achieving the object of the present invention, the core for generating a transmission control signal for transmitting the processed data at the same time the processing of the input data using the embedded Linux real-time operating program Module 11; It accepts various serial communication standards and inputs and outputs data, processes data transmitted and received using short-range data communication band, processes input digital data or analog data, processes input digital video signal, A user interface having respective interfaces for processing input analog video signals; And an Ethernet unit 12 driven according to the transmission control signal and connected to a server (gateway) 20 through a 10 / 100base-T Ethernet network, which is a network interface, and transmitted to the Internet network 80. It features.

At this time, the core module 11, the micro-controller to process the data input from the user interface; A memory in which an embedded Linux program and a corresponding program constituting the user interface are stored, and a temporary storage of data input and output is performed; And an Ethernet controller for outputting a network control signal for controlling the Ethernet unit 12. The user interface may include a serial communication unit 13 configured to accommodate various serial communication standards including RS232, RS422, and RS485 and set in accordance with a standard of a target device; A short-range wireless communication unit 14 that uses a short-range data communication band within a range of 350 MHz to 470 MHz, and has a maximum output within a range of 5 mW to 10 mW, and which can connect at least one or more wireless clients which are themselves wireless hosts; A digital / analog data unit 15 for collecting and transferring digital data and analog data input and output between the core module 11 and the corresponding target device; A USB unit 16 which performs half-duplex communication and transfers an encoded image signal for output of digital data including a PC camera to the core module 11 through serial communication; And an image connection unit 17 which converts an analog image signal including NTSC and PAL into an RGB signal and generates 20 to 40 frames of video data per second through a process of compressing the same by an MPEG1 processor 18. .

On the other hand, the Ethernet unit 12 uses a 10 / 100base-T Ethernet network as a network interface, the network can be extended to a plurality of embedded Internet multi-function access device through the Ethernet network coupled with the Ethernet unit 12, The user interface may be configured such that at least one or more interfaces capable of inputting and outputting specific data may be further combined by introducing a module concept.

Here, the Internet network 80 combined with the Ethernet network, using an open network to remotely monitor the target device (30, 40, 50, 60) from the remote host 70 of the remote site, control, meter reading, etc. The connection is configured to be performed, and when the mail or alarm processing is required through the user information, the connection is configured to enable the sending of the message to the preset mobile terminal 100 through the Internet network 80 and the mobile communication network 90.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a view showing a concept of operation using the embedded Internet multi-function access device according to the present invention. Referring to Figure 1, Embedded Multi-role Internet Terminal (hereinafter referred to as EMIT 10) is a network interface to the server (gateway) 20 through a 10 / 100base-T Ethernet network as a network interface. Connected to the user interface, the target device 1 (30) for serial communication (RS232, RS422, RS485), the target device 2 (40) for transmitting and receiving short-range wireless data, digital and analog data (DI, DO) , Target device 3 (50) through which AI and AO are transmitted, and target device 4 (60) through which image (analog / digital) data (NTSC, PAL / RGB) are transmitted.

Each EMIT 10 is based on IP (Internet Protocol), and can be extended to a plurality of EMITs 10 through an Ethernet network, and each user interface can be expanded and adjusted by introducing a module concept.

By using an open network, the remote host 70 is configured to remotely monitor, control, and read the target devices 30, 40, 50, and 60 from the remote site. In addition, when a mail or alert processing is required through the user information, a message can be sent to the mobile terminal 100 preset through the Internet network 80 and the mobile communication network 90.

Therefore, the EMIT 10 described in the present invention is capable of integrated management through an open network by integrating and receiving various user information.

2 is a control block diagram of the embedded Internet multi-function access device of the present invention. Referring to FIG. 2, the configuration of the EMIT 10 includes a core module 11 in which a real-time operating program (embedded Linux) and an application program are embedded, and a target module providing various user interfaces.

The core module 11 is composed of a microcontroller, a program (embedded Linux) and data memory, and an Ethernet controller (10 / 100base-T).

The serial communication unit 13 of the user interface can accommodate various serial communication standards (RS232, RS422, RS485) can be set according to the specifications of the target device, the transmission speed can accommodate up to 230Kbps.

The short range wireless communication unit 14 uses a short range data communication band of 424 MHz, and the maximum output power is 10 mW. The EMIT 10 becomes a wireless host and can connect up to 16 wireless clients. For reliability of wireless communication, the core module 11 performs bit coding and performs a packet / subpacket function.

The digital / analog data unit 15 collects input digital and analog data (DI, Analog Input: AI) and transmits them to the core module 11, and digital and analog data (Digital Output: DO) from the core module. , Analog Output: AO) is received and output to target device 3 (50).

The USB (Universal Serial Bus) unit 16 conforms to USB Revision 1.0 and performs half-duplex communication at a transmission speed of up to 12Mbps. The USB unit of the present invention transfers the image signal encoded from a PC camera or the like to the core module 11 through serial communication.

The video connection unit 17 converts the input analog video signals NTSC and PAL into RGB signals and sends them to the MPEG1 processing unit 18. The MPEG1 processor 18 receives RGB signals and generates 30 frames of video data per second through MPEG1 compression. The generated video data is read by the core module 11 via the data bus (32 bits).

The above-described various user information is collected and processed by the core module 11 through the serial and parallel data buses, and then transmitted to the Internet network 80 through the Ethernet unit 12. At this time, the EMIT 10 is connected to the server (gateway) 20 through a 10 / 100base-T Ethernet network as a network interface, and serial (RS232, RS422, RS485) 30 as a user interface, and short-range wireless data. 40, digital and analog data (DI, DO, AI, AO) 50, video (analog / digital) data (NTSC, PAL / RGB), and the like are connected and transmitted.

As described above, the embedded Internet multi-function access device according to the present invention, by real-time monitoring of the user information on the server or remote host can be integrated and remotely managed multiple locations remotely, in particular the image information from the user information It can be effectively used for remote monitoring, security, etc.

In the future, it is expected that the development of the network will be a quantum leap forward in terms of transmission speed and performance.

According to the present invention, the communication medium of the target equipment can be accommodated as a single equipment, which can reduce the facility cost for constructing a separate network, reduce the labor cost by reducing the manpower of the target equipment, and diagnose the failure of the intelligent equipment. It can be repaired at minimum time and cost with the function, and the maintenance rate can be reduced by reducing the failure rate by the simplification of the system, and it is possible to reduce maintenance time, quickly and accurately manage the database and change the facility to improve productivity. It helps.

The present invention is not limited to the above-described embodiment, it will be apparent that many modifications are possible by those skilled in the art within the technical idea of the present invention.

Claims (8)

A core module 11 generating a transmission control signal for transmitting the processed data while simultaneously processing the input data using the embedded Linux real-time operating program; It accepts various serial communication standards and inputs and outputs data, processes data transmitted and received using short-range data communication band, processes input digital data or analog data, processes input digital video signal, A user interface having respective interfaces for processing input analog video signals; And An Ethernet unit 12 driven according to the transmission control signal and connected to a server (gateway) 20 through a 10 / 100base-T Ethernet network, which is a network interface, and transmitted to the Internet network 80; Embedded Internet multifunction access device, characterized in that made, including. The method of claim 1, wherein the core module 11, A microcontroller for processing data input from a user interface; A memory in which an embedded Linux program and a corresponding program constituting the user interface are stored, and a temporary storage of data input and output is performed; And Embedded Ethernet multi-function access device, characterized in that consisting of; Ethernet controller for outputting a network control signal for the control of the Ethernet unit 12. The method of claim 1, wherein the user interface, A serial communication unit 13 configured to accommodate various serial communication standards including RS232, RS422, and RS485 and set according to the standard of the target device; A short-range wireless communication unit 14 that uses a short-range data communication band within a range of 350 MHz to 470 MHz, and has a maximum output within a range of 5 mW to 10 mW, and which can connect at least one or more wireless clients which are themselves wireless hosts; A digital / analog data unit 15 for collecting and transferring digital data and analog data input and output between the core module 11 and the corresponding target device; A USB unit 16 which performs half-duplex communication and transfers an encoded image signal for output of digital data including a PC camera to the core module 11 through serial communication; An image connection unit 17 which converts an analog image signal including NTSC and PAL into an RGB signal and generates 20 to 40 frames per second of video data by compressing the same by an MPEG1 processor 18; Embedded Internet multifunction access device, characterized in that made, including. The apparatus of claim 1, wherein the Ethernet unit 12 uses a 10 / 100base-T Ethernet network as a network interface. The embedded Internet multi-function access device according to claim 1, wherein the network is extended to a plurality of embedded Internet multi-function access devices through an Ethernet network coupled with the Ethernet unit (12). The apparatus of claim 1, wherein at least one interface capable of inputting and outputting specific data may be further combined by introducing a module concept. According to claim 1, Internet network 80 is coupled to the Ethernet network using an open network to remotely monitor the target device (30, 40, 50, 60) from the remote host 70, Embedded Internet multifunction access device, characterized in that the connection configuration to perform the meter reading. The mobile terminal 100 of claim 1, wherein the Internet network 80 coupled to the Ethernet network is configured through the Internet network 80 and the mobile communication network 90 when mail or alarm processing is required through user information. Embedded Internet multifunction access device, characterized in that the connection is configured to enable sending messages to.