KR20190059121A - IoT platform system capable of managing city gas infrastructure - Google Patents

Abstract

The present invention relates to an Internet platform system for managing a city gas infrastructure, and more particularly, to a city gas infrastructure system capable of easily collecting and managing various state information of city gas facilities, To a manageable object Internet platform system.
The object Internet platform system capable of managing the city gas infrastructure of the present invention is a system for managing the city gas infrastructure of the present invention. The object internet platform system can manage data values of temperature, humidity, vibration, tilt, pressure, flow rate, altitude, ; And a communication unit for collecting and acquiring data values measured by the facility and the sensor by the gateway; And a reading unit for analyzing and analyzing the data received from the gateway by the object Internet platform; And a display unit for providing a user interface for grasping the state of the city gas infrastructure based on the analyzed data.

Description

[0001] The present invention relates to an Internet platform system control method capable of managing a city gas infrastructure,

The present invention relates to an Internet platform system for collecting and managing various state information of a city gas facility. More particularly, the present invention relates to a system for collecting and analyzing information on an Internet platform, And to provide a user interface for a city gas infrastructure management system.

In general, the maintenance technology of city gas facilities is being developed from periodic maintenance technology to state-based maintenance technology. In order to develop into future failure prediction technology, IoT-based system capable of collecting and managing various state information of city gas facilities And it is necessary to optimize and develop system technology such as smart sensor, gateway, communication network, platform, predictive analysis technology and application service.

Currently, city gas facilities scattered throughout the country have a problem of low accuracy of work because they are difficult to take immediate action in case of equipment failure due to low continuity and efficiency of facility management due to periodic inspection of site approach. have. In order to cope with such a problem, it is possible to monitor the unstable state of the facility in real time at a low cost by applying the object internet technology, thereby enhancing the quick response power in an emergency and achieving facility management efficiency.

The Internet of Things is a technology that connects sensors and communication functions to various things on the Internet. Devices connected to the network send information gathered through sensors and the like to each other without human intervention, and handle the work themselves. The Internet has not been developed as a single technology, but it has emerged by projecting meaningful intentions (such as marketing using location information and autonomous navigation based on traffic information) to existing technology such as sensors and wired / wireless communication.

oneM2M is a standard consultation body formed by the standardization organizations of various countries for the global Internet standard to define a common platform that can support a variety of Internet application services such as smart home, smart health care, and smart car. . We are studying interoperability between heterogeneous platforms and provide Technical Specification package. LWM2M (Light Weight M2M) defines the application layer communication protocol between the LWM2M server and the LWM2M client in the LWM2M device for M2M or IoT device management. It is a device management standard for supporting various objects Internet devices including small devices. In light of resource-constrained LWM2M devices, we are using the IETF Constrained Application Protocol (CoAP) as a lightweight, concise protocol based on an efficient resource data model.

The city gas facility (facility) disclosed in Korean Patent Laid-Open Publication No. 10-2011-0061190 can be largely classified into a piping, a regulator, a valve, a T / B (test box), a meter, The environmental factors such as earthquake, ground subsidence, and management factors such as electric system, pressure, and gas leakage can be distinguished. At present, such a city gas facility needs a data monitoring, monitoring and monitoring function by introducing a remote monitoring system that measures the operation state of main supply facilities and supply pressure of pipe network such as SCADA (Supervisory Control and Data Acquisition) system .

The object of the present invention is to provide a method and system for obtaining and analyzing information on city gas facilities and surrounding environment by using low power, long distance IoT platform technology based on LWM2M standard, .

According to an aspect of the present invention, there is provided a method for providing a system for object Internet platform, including: a step of receiving status information of a city gas facility and a temperature, humidity, vibration, tilt, Measuring altitude, atmospheric pressure, and data values for metering; And acquiring and acquiring the state information of the facility and the data value measured at the sensor node by the gateway; And analyzing the data received from the gateway by the integrated Internet platform; And providing a user interface capable of grasping the state of the city gas infrastructure based on the analyzed information.

According to the embodiment of the present invention, the object Internet platform can be configured according to the international standard LWM2M. The CoAP, adopted by LWM2M, is a protocol created to support the Internet communication of simple electronic devices. It is designed to control devices such as low-power sensors, switches, and valves in a standard Internet environment, so it can support limited resources of Internet connections like WSN (Wireless Sensor Network) nodes. In addition, since CoAP uses HTTP, application architecture is easy to apply and UDP multicast is supported, which can reduce the overhead in the object Internet platform, city gas facility, and sensor node environment.

According to an aspect of the present invention, the LWM2M-based object Internet platform can process standardized data frames by receiving the analog and digital data of the city gas facility and the sensor node, and can process the city gas facility, the sensor node, the gateway, It can support 128-bit AES encryption for security.

According to another aspect, the city gas facility, the sensor node, and the gateway may include a short-range communication module such as Bluetooth or Wi-Fi for communication.

According to another aspect of the present invention, there is provided a method of transmitting data wirelessly using a LoRa (Long Range), NB-IoT (Narrowband-IoT) or Wi-SUN (Wireless Smart Utility Network) communication module capable of low- can do.

According to another aspect, the Internet platform is configured as a server software architecture with a scale-out function, so that a scalable LWM2M-capable large-capacity server solution can be constructed, and a loadbalancer supporting UDP is configured to form the PUB / SUB of the Redis DSM Server . ≪ / RTI > This architectural structure is capable of improving processing performance and capacity through the addition of server hardware, and can accommodate more than 10,000 clients in real time. It also allows for large database extensions, scalability for large HTTP connections, and scale for large-scale CoAP connections.

According to another aspect, it is possible to provide an API capable of complicated devices and gas safety management control, communication, and the like.

Table 1 below defines the functions to be provided in the object Internet platform system.

Classification function DashBoard Device information, map confirmation Organizations Organize, edit, delete Users User Information Management Products Product registration (device, firmware update) MyDevice Verify Device Information MyPage Confirm your own information, modify Alerts Alarm alarm Object Definitions Object, Resource, and Resource templates Log Verify Logging

According to an embodiment of the present invention, an Internet platform system for objects capable of managing a city gas infrastructure includes a temperature sensor, a humidity sensor, a vibration sensor, a temperature sensor, A measurement unit for measuring a data value for metering; And a communication unit for collecting and acquiring data values measured by the facility and the sensor by a gateway; And a reading unit for analyzing and analyzing the data received from the gateway by the object Internet platform; And a display unit for providing a user interface for grasping the state of the city gas infrastructure based on the analyzed information.

According to the embodiments of the present invention, it is easy to collect and manage various state information of the city gas facility, and it is possible to respond to a failure or an accident immediately. In addition, remote meter reading of city gas meters is possible, and it is possible to utilize wide range of gas usage data in combination with weather data as demand prediction and load prediction system.

According to the embodiments of the present invention, the Internet platform of objects can analyze and manage the situation information in real time with the safety management and balance system, and can apply it to the public monitoring and observation of dangerous goods and facilities, It can be used as anti-jamming technology.

According to the embodiments of the present invention, there is an advantage that it can be applied to national industrial facilities such as electric power and water supply.

1 is a flow diagram illustrating an object Internet platform system capable of managing a city gas infrastructure, in accordance with an embodiment of the present invention.
Figure 2 is a block diagram of an object Internet platform system capable of managing a city gas infrastructure based on the international standard LWM2M in one embodiment of the present invention.
FIGS. 3 to 7 illustrate an operation of an object Internet platform system capable of managing a city gas infrastructure according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when a part is referred to as " including " an element, it does not exclude other elements unless specifically stated otherwise. Also, the terms " part, " " module, " and the like described in the specification mean units for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

According to the embodiment of the present invention, it can be operated according to the Light Weight Machine to Machine (LWM2M) device management standard, which is the international standard for Internet of Things.

Also, it is possible to receive the analog and digital data of the city gas facility and the sensor node and process it into a standardized data frame.

FIG. 1 is a flow chart showing an Internet platform system for objects capable of managing a city gas infrastructure according to an embodiment of the present invention. FIG. 2 is a block diagram illustrating an object for managing a city gas infrastructure according to an embodiment of the present invention A block diagram of an Internet platform system.

2, the object Internet platform system capable of managing the city gas infrastructure according to the embodiment of the present invention includes a measuring unit 2000, a communication unit 3000, a reading unit 4000, a display unit 5000, ). ≪ / RTI >

According to an embodiment of the present invention, the measurement unit 2000 may include a city gas facility 2100 and a sensor node 2200.

At this time, the city gas facility 2100 may include a valve 2110, a MOV 2120, a regulator 2130, a pipe 2140, an AMI 2150, a rectifier 2160, May include temperature 2210, humidity 2220, vibration 2230, and tilt 2240 sensors. The state information 100 of the city gas facility and the state of the city gas infrastructure for the sensor information 200 can be precisely diagnosed in real time using the measuring unit 2000. The measurement unit 2000 can also transmit data to the gateway 3100 through the Bluetooth wireless communication module 3110 and the Wi-Fi 3120 module.

The gateway 3100 is connected to the object Internet platform (Internet Protocol) 4000 using the LoRa (Long Range), NB-IoT (Narrowband-IoT) or Wi-SUN (Wireless Smart Utility Network) communication module capable of low- Data can be wirelessly transmitted to the base station 4100.

According to an embodiment of the present invention, the communication unit 3000 may include a gateway 3100. The gateway 3000 includes a Bluetooth 3110, a Wi-Fi 3120, a LoRa 3130, an NB-IoT 3140 ), And a Wi-SUN (3150) module.

According to an embodiment of the present invention, the reading unit 4000 may include the object Internet platform 4100. [ The object Internet platform 4100 can collectively analyze and analyze data received from the gateway 3100.

The display unit 5000 may display a user interface through which the administrator can grasp the state of the city gas infrastructure based on the information analyzed by the reading unit 4000.

According to the above-described configuration, the object Internet platform system capable of managing the city gas infrastructure acquires state information from the city gas facility 2100 and surrounding sensor 2200 nodes in the measuring unit 2000, The analyzing unit 4100 analyzes the data in the object Internet platform 4100 as the reading unit 4000 and provides the analyzed data to the manager 5100 in the application 5100 of the display unit 5000 have.

DashBoard Provides a list and map function that can display all devices connected to the map. You can check brief information of each device through the pop-up UI. If you select the desired device from the list, detailed map information about the selected device can be obtained. In the Dashboard Data, you can see the information defined in the products productsettings of the devices of the selected product. It is easy to locate each facility (valve 2110, MOV 2120, regulator 2130, pipe 2140, AMI 2150, rectifier 2160) when applied to the management of the city gas infrastructure.

Organizations You can see the list of organizations, and the ability to register, modify, and delete organizations. With OrganizationID, you can view, register, modify, and delete a list of users in your organization. When applied to urban gas infrastructure management, it is possible to organize and manage facilities and sensors in the same district or region.

Users You can see the information of users and users according to the authority of the logged in person. You can also see a list of devices managed by the user. Manpower management is easy when applied to city gas infrastructure management.

Products SystemManager and OrganizationManager can register the Product. SystemManager displays a list of all products with top level permissions, OrganizationManager lists the products in the organization, and ProductManager displays the list of its products. You can add an agency or add a ProductManager to another function. The privileges of ProductManager and above can register the device, SystemAdmin / OrganizationManager and ProductManager show all device list in the product, and DeviceOwner shows only the list of owned devices. Change Owner, Add Device, Specify Deviceowner, Firmware Update by Device, or Update All Device Firmware. When applying to the management of city gas infrastructure, it is possible to set the task sharing and access authority by dividing the manager 's grade.

MyDevice Provides the ability to view the list of devices specified on the MyDevice screen when designated as the person in charge of the device and the person in charge of the product. Click DeviceID or DeviceName to view the device information page. If designated as device manager or product manager, you can see the device list and map specified on the MyDevice screen. It provides Device basic information, Object list, Expert mode display function. When applying to city gas infrastructure management, information and location of equipment can be confirmed.

MyPage User can check and modify information. When applying to city gas infrastructure management, user's information can be checked and modified.

Alerts In the export mode of the device information, you can specify the monitoring range of the object, compare the change value of the object in the Control List with the monitoring value, and register the registered list in the Alert list Function. When applied to urban gas infrastructure management, it is possible to respond immediately to abnormal operation of facilities, and it is possible to grasp sudden situation quickly.

Object Definitions You can register, modify, and delete Object, Resource, and Resource templates. When applying to city gas infrastructure management, it is possible to register work subjects, work contents, and precautions.

Log You can see recorded log. Log level filtering is done. When you apply to city gas infrastructure management, you can check past work history.

According to the embodiment of the present invention, the valve 2110 can monitor the flow rate, pressure, gas leakage, and open / close by analyzing the usage amount and flow, and the MOV 2120 analyzes the type of vibration occurrence, And the pressure regulator 2130 can automatically control the supply pressure by analyzing the pressure of the regional valve. The pipeline 2140 can sense the ambient vibration to prevent gas leakage and damage to the coating damage. The AMI 2150 can analyze the consumption of the consumer to enable remote meter reading, and the rectifier 2160 can analyze Automatic control is available to prevent corrosion.

As described above, according to the embodiments of the present invention, the object Internet platform system can easily collect and manage various state information of city gas facilities, respond promptly in the event of a failure / accident, The advantage is that it can be applied.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

100: City gas facility status information 200: Sensor information
300: Gateway aggregation 400: Internet platform analysis of things
500: Display end-user application
1000: LWM2M 1100: CoAP
2000: Measuring section 2100: Facility
2110: valve 2120: MOV
2130: Regulator 2140: Piping
2150: AMI 2160: Rectifier
2200: sensor 2210: temperature
2220: Humidity 2230: Vibration
2240: slope 2250: pressure
2260: Flow 2270: Altitude
2280: Pressure 2290: Metering
3000: communication unit 3100: gateway
3110: Bluetooth 3120: Wi-Fi
3130: LoRa 3140: NB-IoT
3150: Wi-SUN 4000:
4100: Things Internet platform 5000: Display
5100: Application

Claims (6)

Measuring a data value of peripheral information from a sensor node to determine an operation state of the city gas facility and a temperature, a humidity, a vibration, a slope, a pressure, a flow rate, an altitude, And collecting measured data values at the sensor node; And analyzing the data received from the gateway by the integrated Internet platform; And providing a user interface capable of grasping the state of the city gas infrastructure based on the analyzed information.
The method according to claim 1,
Wherein the city gas facility comprises at least one of a valve, an MOV, a regulator, piping, AMI, and a rectifier. The method according to claim 1,
And the analog and digital data of the city gas facility and the sensor node are received and processed into a standardized data frame. The method according to claim 1,
Wherein the data obtained through the object Internet platform is stored and managed in a database. The method according to claim 1,
The city gas facility, the sensor node and the gateway communicate with each other using Bluetooth, Wi-Fi, and a low-power, long-distance communication module of the LoRa, NB-IoT, and Wi-SUN between the gateway and the Internet platform server. The Internet platform system comprising: The method according to claim 1,
The object Internet platform system has a function of checking and manipulating DashBoard, Organizations, Users, Products, MyDevice, MyPage, Alerts, Object Definitions and Log of the end user.

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