KR102684470B1 - Communication performance verification system of sensing devices for real-time monitoring of railway distribution lines - Google Patents

Abstract

The present invention relates to a communication performance verification system of a sensing device for real-time monitoring of railroad distribution lines. More specifically, the communication performance of a sensing device that transmits environmental information collected by sensing railroad distribution lines to a distribution line monitoring device in real time. This is about a communication performance verification system of a sensing device for real-time monitoring of railway distribution lines that can verify.

Description

Communication performance verification system of sensing devices for real-time monitoring of railway distribution lines}

The present invention relates to a communication performance verification system of a sensing device for real-time monitoring of railroad distribution lines. More specifically, the communication performance of a sensing device that transmits environmental information collected by sensing railroad distribution lines to a distribution line monitoring device in real time. This is about a communication performance verification system of a sensing device for real-time monitoring of railway distribution lines that can verify.

As the deterioration of railway facilities worsens, maintenance work is underway, but the improvement performance is unable to keep up with the speed of deterioration, and maintenance costs are expected to increase rapidly in the future.

Major facilities subject to monitoring around railways include offshore underground power cables, offshore power facility connection boxes, and essential multi-use mechanical facilities within the station. In these cases, there is a high risk of a major accident occurring if abnormal detection and prevention fails.

In particular, in the case of power facilities, 80% of failures occur at power cable connection points (contact points, connection box busbars, etc.), so the need for constant monitoring of this is very high.

Therefore, there is a need for a sensing device that can transmit collected data to a monitoring system without data loss and a system that can verify the performance of the sensing device.

The present invention was created in response to this need, and the purpose of the present invention is to develop a railway distribution line that can verify the communication performance of a sensing device that senses the railway distribution line and transmits environmental information collected in real time to a distribution line monitoring device. The purpose is to provide a communication performance verification system of sensing devices for real-time monitoring.

To achieve the above object, the communication performance verification system of a sensing device for real-time monitoring of railway distribution lines according to the present invention is installed at predetermined intervals of the railway distribution lines, and senses the railway distribution lines in real time to provide environmental information. A sensing device that generates and transmits it to a distribution line monitoring device; and a performance verification device that verifies communication performance of the sensing device.

In addition, the sensing device includes a sensor module that collects environmental information about the state of the railroad distribution line; and a communication module that transmits environmental information collected by the sensor module to a relay unit.

Additionally, the environmental information may include at least one of partial discharge data, vibration data, temperature data, current data, and voltage data.

In addition, the communication module is characterized in that it collects environmental information through the sensor module and the SPI protocol, and transmits the environmental information to the relay unit through the OneM2M protocol.

In addition, the communication module collects environmental information through the sensor module and the Ethernet protocol, and transmits the environmental information to the relay unit through the OneM2M protocol.

In addition, the performance verification device includes the steps of connecting a sensing device and setting the sensor module to SLAVE to verify the SPI protocol communication performance of the sensing device; Setting the communication module to MASTER; Operating the SPI linked service; Transmitting a packet from a sensor module; and performing a step of checking whether the packet is identical to the packet received from the simulator of the communication module.

Additionally, the performance verification device is characterized in that, if the packets are not the same, it determines the communication module to be faulty.

In addition, the performance verification device includes the steps of connecting a communication module to a first PC and a UTP cable to verify the Ethernet protocol communication performance of the sensing device; Constructing a PING packet by entering the terminal device IP in the CMD window; Starting a PING program and transmitting it to the Ethernet port of the communication module; and performing a step of checking whether the data count transmitted from the PING program matches the count of the received data.

Additionally, the performance verification device is characterized in that, if the counts do not match, the communication module is determined to be malfunctioning.

In addition, the performance verification device includes the steps of connecting an optical cable to port SFP1 of the communication module to verify the optical Ethernet protocol communication performance of the sensing device; Connecting the first PC to the SFP1 port of the communication module through an optical-UTP converter; Connecting an optical cable to SFP port 2 of the communication module; Connecting a second PC to the SFP2 port of the communication module through an optical-UTP converter; It is characterized by performing a step of checking whether the data count transmitted between the first PC and the second PC matches the count of the received data.

Additionally, the performance verification device is characterized in that, if the counts do not match, the communication module is determined to be malfunctioning.

The communication performance verification system of a sensing device for real-time monitoring of railroad distribution lines according to the present invention has the effect of verifying the communication performance of a sensing device that senses railroad distribution lines and transmits environmental information collected in real time to a distribution line monitoring device. There is.

The problems to be solved by the present invention are not limited to those mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

Figure 1 is a block diagram of a communication performance verification system of a sensing device for real-time monitoring of a railway distribution line according to an embodiment of the present invention.
Figure 2 is an exemplary diagram of a communication performance verification system of a sensing device for real-time monitoring of a railway distribution line according to an embodiment of the present invention.
Figure 3 is a block diagram of a sensing device according to an embodiment of the present invention.
Figure 4 is a schematic diagram of a sensing device according to an embodiment of the present invention.
Figure 5 is an exemplary diagram of a communication module in one embodiment of the present invention.
Figure 6 is a block diagram of a performance verification device according to an embodiment of the present invention.
Figure 7 is an exemplary SPI protocol performance verification result according to an embodiment of the present invention.
Figure 8 is an example of Ethernet protocol performance verification results according to an embodiment of the present invention.
Figure 9 is an exemplary optical Ethernet protocol performance verification result according to an embodiment of the present invention.

The above objects, other objects, features and advantages of the present invention will be easily understood through the following preferred embodiments related to the attached drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and so that the spirit of the present invention can be sufficiently conveyed to those skilled in the art.

When an element, component, device, or system is referred to herein as including a component consisting of a program or software, even if explicitly stated, that element, component, device, or system is intended to include a component consisting of a program or software. It should be understood as including hardware necessary for execution or operation (e.g., memory, CPU, etc.) or other programs or software (e.g., operating system or drivers required to run hardware, etc.).

Additionally, when an element (or component) is implemented, unless otherwise specified, it should be understood that the element (or component) may be implemented in any form of software, hardware, or software and hardware.

Additionally, the terms used in this specification are for describing embodiments and are not intended to limit the present invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, 'comprises' and/or 'comprising' does not exclude the presence or addition of one or more other elements.

Additionally, in this specification, terms such as 'unit' and 'device' may be intended to refer to the functional and structural combination of hardware and software driven by or for driving the hardware. For example, the hardware here may be a data processing device including a CPU or other processor. Additionally, software driven by hardware may refer to a running process, object, executable, thread of execution, program, etc.

Hereinafter, specific technical details to be implemented in the present invention will be described in detail with reference to the accompanying drawings.

Each configuration shown in the drawing indicates that it can be separated functionally and logically, and does not necessarily mean that each configuration is divided into a separate physical device or written in a separate code. Experts will be able to make inferences easily.

Figure 1 is a block diagram of a communication performance verification system of a sensing device for real-time monitoring of a railway distribution line according to an embodiment of the present invention, and Figure 2 is a sensing system for real-time monitoring of a railway distribution line according to an embodiment of the present invention. This is an exemplary diagram of a device communication performance verification system. As shown in Figures 1 and 2, the communication performance verification system of a sensing device for real-time monitoring of railway distribution lines according to the present invention includes a sensing device 100, a distribution line monitoring device 200, and a performance verification device 300. It can be included.

The sensing device 100 is installed at predetermined intervals on the railroad distribution line, senses the railroad distribution line in real time, generates environmental information, and transmits it to the distribution line monitoring device 200, as shown in FIG. 3. It may further include a sensor module 110 and a communication module 120. Figure 3 is a block diagram of a sensing device according to an embodiment of the present invention.

The sensor module 110 may correspond to a data collection device that is directly attached to the railroad distribution line or installed and operated near the railroad distribution line. That is, the sensor module 110 may be implemented by including various sensors depending on the installation location, measurement target, and purpose.

For example, when the sensor module 110 is directly attached to a line, it may include a vibration sensor, a temperature sensor, a current sensor, an optical sensor, an acceleration sensor, and a PD (Partial Discharge) sensor to measure the line condition. When installed on the ground, the sensor module 110 may further include a noise sensor, a humidity sensor, etc. Meanwhile, of course, the sensor module 110 may be installed underground or in the sky. That is, the environmental information collected through the sensor unit may include at least one of partial discharge data, vibration data, temperature data, current data, or voltage data.

The communication module 120 is configured to transmit environmental information collected by the sensor module 110 to the relay unit 10, collects environmental information through the sensor module 110 and the SPI protocol, and uses the OneM2M protocol. The environmental information can be transmitted to the relay unit 10 through the environmental information, or the environmental information can be collected through the sensor module 110 and the Ethernet protocol, and the environmental information can be transmitted to the relay unit 10 through the OneM2M protocol, which is This is because it may vary depending on the form of the sensing device 110, which will be described later.

In addition, the sensing device 100 may be connected to a network with other sensor units 100 as well as the relay unit 10 or the gateway unit 20, and the sensing device 100 stores sensor data collected from various sensors. It can be implemented including memory and an energy harvesting module to operate without power.

The relay unit 20 may transmit data received from the sensing device 100 to another relay unit 10 or the gateway unit 20. To this end, it may be implemented including a wireless communication module and may be implemented including modules for receiving and transmitting data. The relay unit 10 may be installed on the ground or on the ground raised by a predetermined height from the ground, and may be installed at a wider spacing than the spacing between the sensing devices 100.

For example, when the sensing devices 100 are arranged at intervals of 500-1,000 m, the relay units 10 may be installed at intervals of 1,000 m or more.

The gateway unit 20 may correspond to a device that receives and integrates data from the sensing device 100 or the relay unit 10, and can perform preprocessing and analysis operations on the sensing information through its own analysis module as needed. You can. The gateway unit 20 may be implemented by including independently implemented modules in duplicate through a redundant design.

That is, the gateway unit 20 can operate using one module in a normal situation, and can operate using two modules simultaneously in an emergency situation, or by replacing it with another module in the event of a failure. The gateway unit 20 may operate in conjunction with the distribution line monitoring device 200 when its own ability for analysis is limited.

Meanwhile, the sensing device 100, relay unit 10, and gateway unit 20 may operate in connection with various wireless communication networks for data transmission. For example, wireless communication networks may include LTE-R, CDMA, Lora, WiFi-Halow, WiBro, etc.

Additionally, the sensing device 100 can be installed in two types (popular type and precision type), as shown in FIGS. 4 and 5. Figure 4 is a diagram showing an embodiment of a sensing device according to an embodiment of the present invention, and Figure 5 is a diagram showing an embodiment of a communication module according to an embodiment of the present invention. As shown in FIGS. 4 and 5A, when the sensing device 100 is installed as a popular type, the communication module 120 of the constant sensing device 100 receives environmental information from the sensor module 110 through the SPI protocol. Collects and transmits the environmental information to the relay unit 10 through the OneM2M protocol. In addition, as shown in FIGS. 4 and 5b, when the sensing device 100 is installed as a precision type, the communication module 120 of the constant sensing device 100 receives information from the sensor module 110 through the Ethernet protocol. Environmental information is collected and the environmental information is transmitted to the relay unit 10 through the OneM2M protocol.

The distribution line monitoring device 200 is configured to receive environmental information in real time from the sensing device 100 in conjunction with the sensing device 100, and analyzes it through a pre-learned artificial intelligence algorithm to provide analysis result information. It may be a configuration that creates.

The performance verification device 300 is configured to be connected to the sensing device 100 to verify the communication performance of the sensing device 100, and a manager or inspector can connect to the sensing device 100 to verify communication performance. By connecting, the communication performance of the sensing device 100 can be verified. To this end, the performance verification device 300 may further include a UTP cable 310, an optical cable 320, an optical-UTP converter 330, a first PC 340, and a second PC 350, as shown in FIG. 6. there is. Figure 6 is a block diagram of a performance verification device according to an embodiment of the present invention.

Each of the components 100, 200, or 300 may include at least one processor. At least one processor may be an application specific integrated circuit (ASIC), a digital signal processor (DSP), a programmable logic device (PLD), a field programmable gate array (FPGA), a central processing unit (CPU), a graphic processing unit (GPU), or a microprocessor. It may be implemented with a controller (microcontroller) and/or microprocessor, etc. Each component 100, 200, or 300 may further include memory. Memory includes flash memory, hard disk, SSD (Solid State Disk), RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), and PROM (Programmable Read Only). Memory), Electrically Erasable and Programmable ROM (EEPROM), Erasable and Programmable ROM (EPROM), and/or embedded multimedia card (eMMC).

Additionally, each component (100, 200, or 300) may be connected through a network, where the network refers to a connection structure that allows information exchange between each node, such as a plurality of terminals and servers. This network Examples include a local area network (LAN), a wide area network (WAN), the World Wide Web (WWW), a wired and wireless data network, a telephone network, and a wired and wireless television network. Examples of wireless data communication networks include 3G, 4G, 5G, 3rd Generation Partnership Project (3GPP), 5th Generation Partnership Project (5GPP), Long Term Evolution (LTE), World Interoperability for Microwave Access (WIMAX), and Wi-Fi. , Internet, LAN (Local Area Network), Wireless LAN (Wireless Local Area Network), WAN (Wide Area Network), PAN (Personal Area Network), RF (Radio Frequency), Bluetooth network, NFC ( Near-Field Communication) network, satellite broadcasting network, analog broadcasting network, DMB (Digital Multimedia Broadcasting) network, etc. are included, but are not limited to these.

Hereinafter, the communication performance verification method through the communication performance verification system of the sensing device for real-time monitoring of railway distribution lines according to the present invention configured as described above will be described with reference to FIGS. 7 to 9.

First, the performance verification device 300 connects to the sensing device 100 and sets the sensor module 110 to SLAVE in order to verify the SPI protocol communication performance of the sensing device 100, and the communication module 120 The steps of setting to MASTER, activating the SPI linked service, transmitting a packet from the sensor module 110, and checking whether the packet is the same as the one received from the simulator of the communication module 120 can be performed.

Figure 7 is an example of the SPI protocol performance verification results according to an embodiment of the present invention. As shown in Figure 7, if the packets are the same, the communication module 120 can be judged to be normal or have good communication performance. And if the packets are not the same, it may be determined that the communication module 120 is broken or that communication performance is poor.

Next, the performance verification device 300 connects the communication module 120 to the first PC 340 and the UTP cable 310 to verify the Ethernet protocol communication performance of the sensing device 100, and CMD Steps of configuring a PING packet by entering the terminal device IP in the window, starting the PING program and transmitting it to the Ethernet port of the communication module 120, and checking whether the data count transmitted from the PING program matches the count of the received data. You can follow the steps.

Figure 8 is an example of the results of Ethernet protocol performance verification according to an embodiment of the present invention. As shown in Figure 8, if the counts match, the communication module 120 can be judged to be normal or have good communication performance. If the counts do not match, it may be determined that the communication module is broken or that communication performance is poor.

Finally, the performance verification device 300 includes the step of connecting the optical cable 320 to the SFP1 port of the communication module 120 to verify the optical Ethernet protocol communication performance of the sensing device 100, and the communication module ( Connecting the first PC 340 to the SFP port 120 and the optical-UTP converter 330 and connecting the optical cable 320 to the SFP port 2 of the communication module 120. Connecting the second PC (350) through the SFP port number 2 and the optical-UTP converter (340) and checking whether the data count transmitted between the first PC (340) and the second PC (350) matches the count of the received data. You can follow the steps:

Figure 9 is an exemplary diagram of the results of optical Ethernet protocol performance verification according to an embodiment of the present invention. As shown in Figure 9, if the counts match, the communication module 120 is judged to be normal or communication performance is good. If the counts do not match, it may be determined that the communication module is broken or that communication performance is poor.

Therefore, as described above, through the communication performance verification system of the sensing device for real-time monitoring of railroad distribution lines according to the present invention, the user can sense the railroad distribution line and transmit the collected environmental information to the distribution line monitoring device in real time. It has the effect of verifying communication performance.

In the above, even though all the components constituting the embodiment of the present invention have been described as being combined or operated in combination, the present invention is not necessarily limited to this embodiment. That is, as long as it is within the scope of the purpose of the present invention, all of the components may be operated by selectively combining one or more of them. In addition, although all of the components may be implemented as a single independent hardware, a program module in which some or all of the components are selectively combined to perform some or all of the combined functions in one or more pieces of hardware. It may also be implemented as a computer program having. The codes and code segments that make up the computer program can be easily deduced by a person skilled in the art of the present invention. Such a computer program can be stored in a computer-readable storage medium and read and executed by a computer, thereby implementing embodiments of the present invention.

Meanwhile, although the preferred embodiments have been described and illustrated to illustrate the technical idea of the present invention, the present invention is not limited to the configuration and operation as shown and described, and does not deviate from the scope of the technical idea. Without limitation, those skilled in the art will understand that many changes and modifications can be made to the present invention. Accordingly, all such appropriate changes, modifications and equivalents should be considered to fall within the scope of the present invention. Therefore, the true scope of technical protection of the present invention should be determined by the technical spirit of the attached registration claims.

10: Relay unit
20: gateway unit
100: Sensing device
110: sensor module
120: communication module
200: Distribution line monitoring device
300: Performance verification device
310: UTP cable
320: optical cable
330: Optical-UTP converter
340: 1st PC
350: 2nd PC

Claims (9)

A sensing device installed at predetermined intervals on a railroad distribution line to sense the railroad distribution line in real time, generate environmental information, and transmit it to a distribution line monitoring device; and
It includes a performance verification device that verifies the communication performance of the sensing device,
The sensing device is,
A sensor module that collects environmental information about the state of the railway distribution line; and
a communication module that transmits environmental information collected by the sensor module to a relay unit;
Including,
The communication module is,
Collects environmental information through the sensor module and SPI protocol or Ethernet protocol,
A communication performance verification system of a sensing device for real-time monitoring of railway distribution lines, characterized in that the environmental information is transmitted to a relay unit through the OneM2M protocol.

delete According to paragraph 1,
The environmental information above is,
A communication performance verification system of a sensing device for real-time monitoring of a railway distribution line, comprising at least one of partial discharge data, vibration data, temperature data, current data, or voltage data.

delete delete According to paragraph 1,
The performance verification device is,
To verify the SPI protocol communication performance of the sensing device,
Connecting the sensing device and setting the sensor module to SLAVE;
Setting the communication module to MASTER;
Operating the SPI linked service;
Transmitting a packet from a sensor module; and
Checking whether the packet received from the simulator of the communication module is the same;
A communication performance verification system of a sensing device for real-time monitoring of railway distribution lines.
According to clause 6,
The performance verification device is,
A communication performance verification system of a sensing device for real-time monitoring of a railway distribution line, characterized in that if the packets are not the same, the communication module is determined to be faulty.
According to paragraph 1,
The performance verification device is,
To verify the Ethernet protocol communication performance of the sensing device,
Connecting the communication module to the first PC with a UTP cable;
Constructing a PING packet by entering the terminal device IP in the CMD window;
Starting a PING program and transmitting it to the Ethernet port of the communication module; and
Checking whether the data count transmitted from the PING program matches the count of the received data;
A communication performance verification system of a sensing device for real-time monitoring of railway distribution lines.
According to clause 8,
The performance verification device is,
A communication performance verification system of a sensing device for real-time monitoring of a railway distribution line, characterized in that if the count does not match, the communication module is determined to be faulty.

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