KR102547157B1 - Remote Power Control System Using a IoT Terminal - Google Patents

Abstract

The present invention relates to a remote power control system using an IoT terminal, and even if a communication failure occurs on a main line, it is possible to remotely cut off/supply power to line termination equipment, network terminals, sensors, etc. using an IoT terminal connected to an LTE IoT network. It is about a system that can control and restore lines.
More specifically, the present invention is connected to the Internet 300 and the LTE IoT network 400 and the control module 200 located at the headquarters; Branch line termination equipment 120 connected to the Internet 300 and communicating with the control module 200; and is located at a branch and is connected to the LTE IoT network 400 and the branch line termination equipment 120, and controls the power provided to the branch line termination equipment 120, the branch network terminal 130 or the sensor 140. Including, but, when an Internet communication failure occurs between the control module 200 and the branch line termination equipment 120, the IoT terminal 100 and the control module 200 are connected to the LTE IoT network 400 Provides a remote power control system using an IoT terminal that establishes a recovery line through

Description

Remote Power Control System Using a IoT Terminal}

The present invention relates to a remote power control system using an IoT terminal, and even if a communication failure occurs on a main line, it is possible to remotely cut off/supply power to line termination equipment, network terminals, sensors, etc. using an IoT terminal connected to an LTE IoT network. It is about a system that can control and restore lines.

In general, when performing work between the headquarters having a central server or control module and remote branches (brunch), it is practically unreasonable to place IT managers in multiple branches. it is common

In addition, it is common to reduce line costs by using a single line regardless of use without separating lines for business use and lines dedicated to remote system management. will manage

However, in this case, since the internet line, which is cheaper than the dedicated line, is mainly used, there is a problem in that the service provision level is low and the probability of failure is high.

Referring to FIG. 1, when communication through the main line is not established between the control module of the head office and the circuit terminating equipment of the remote branch, it is difficult for the IT manager of the head office to remotely access and process the branch, so it is difficult to accurately identify the fault condition. , it takes time to process the failure, and it is difficult to quickly determine whether the reason why communication is not established is due to a line problem or a problem with equipment located at a branch.

In addition, since a repair engineer from the technical support center has to visit the branch in person to handle it, there is a disadvantage in that labor costs and expenses are additionally incurred, as well as time required for troubleshooting due to travel time.

Furthermore, when the remote access program malfunctions, the IT manager cannot remotely manage the branch office, and if the TCP/IP communication-related information such as the IP address of the branch office is changed, the remote access is disconnected, the system cannot be initialized, and power supply is not available. The scope of management through remote access, such as /blocking, is significantly limited.

The present invention, which was made to solve the above-mentioned problems of the prior art, when communication through the main line between the control module of the head office and the remote branch is not established, the branch line termination equipment and branch network using the auxiliary line and the IoT terminal An object of the present invention is to provide a remote power control system that controls supply/cut-off of power to a terminal or sensor.

In addition, the present invention forms a recovery network between the head office and the branch even if communication through the main line between the control module of the head office and the remote branch is not established, and data generated from branch line termination equipment, branch network terminals or sensors, etc. Another object is to provide a remote power control system capable of transmitting and receiving.

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

The present invention is designed to solve the problems of the prior art described above, the control module 200 connected to the Internet 300 and the LTE IoT network 400 and located at the headquarters; Branch line termination equipment 120 connected to the Internet 300 and communicating with the control module 200; and is located at a branch and is connected to the LTE IoT network 400 and the branch line termination equipment 120, and controls the power provided to the branch line termination equipment 120, the branch network terminal 130 or the sensor 140. Including, but, when an Internet communication failure occurs between the control module 200 and the branch line termination equipment 120, the IoT terminal 100 and the control module 200 are connected to the LTE IoT network 400 Provides a remote power control system using an IoT terminal that establishes a recovery line through

In the present invention, the IoT terminal 100 includes at least two or more plug connectors 107 to which a plug of a power supply cord is coupled; At least two or more USB ports 108 that can be connected to the branch network terminal 130 or the sensor 140; and a serial port 109 connecting the branch line termination equipment 120 and serial communication.

In the present invention, the IoT terminal 100 preferably includes a Wi-Fi communication module and a Bluetooth communication module to communicate with the branch network terminal 130 or the sensor 140.

In the present invention, the IoT terminal 100 includes an IoT interface unit 103 connected to the LTE IoT network 400; a remote access interface unit 101; and serial interface units 104a and 104b connected to the branch line termination equipment 120 through serial communication.

In the present invention, the IoT terminal 100 is connected to at least one branch network terminal 130 or at least one sensor 140 through wireless communication, and the branch network terminal 130 or sensor 140 detects and It is preferable to provide the formed data to the control module 200 through the LTE IoT network 400.

In the present invention, it is preferable that the branch network terminal 130 includes a CCTV, a Wi-Fi router, and a wireless phone, and the sensor 140 includes a temperature and humidity sensor and an ultrasonic distance sensor.

In the present invention, the IoT terminal 100 is connected to at least one or more slave IoT terminals 110 that provide power to at least one or more branch network terminals 130 or at least one or more sensors 140 through wireless communication, and the It is preferable to control the slave IoT terminal 110 to provide or cut off power to the branch network terminal 130 or the sensor 140 .

In the present invention, when the Internet failure occurs, the control module 200 provides management data to the IoT terminal 100 through the LTE IoT network 400, and the IoT terminal 100 is transferred to the branch line termination equipment 120. Preferably, the management data is transmitted.

In the present invention, the IoT terminal 100 is connected to the branch line termination equipment through serial communication, and the serial communication is preferably any one of RS-232, RS-422, RS-485, and UART.

In the present invention, the LTE IoT network 400 is preferably any one of LTE CAT.M, LTE NB-IoT and LTE-M networks.

According to the remote power control system using the IoT terminal of the present invention, when communication through the main line is not established due to Internet failure between the headquarters control module and the remote branch, branch line termination equipment using the auxiliary line and the IoT terminal, There is an effect of controlling power provision/blocking to a branch network terminal or sensor.

In addition, according to the present invention, even if communication through the main line between the control module of the head office and the remote branch is not established, a recovery network between the head office and the branch is formed to generate branch line termination equipment, branch network terminals or sensors, etc. It has the effect of sending and receiving data.

According to the present invention, a cost-effective backup communication system is provided without interruption of service even when a failure occurs in a main Internet line or a failure in a branch network terminal.

The effects of 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.

1 is an exemplary view showing a state of recovery when a main line failure occurs by the prior art.
2 is a configuration diagram of a remote power control system using an IoT terminal according to an embodiment of the present invention.
3 is a detailed configuration diagram of an IoT terminal according to an embodiment of the present invention.
4 is an internal configuration diagram of an IoT terminal according to an embodiment of the present invention.
5 is an exemplary diagram showing the appearance of a remote control method using an IoT terminal and an independent control method of an IoT terminal according to an embodiment of the present invention.
6 is an exemplary diagram illustrating a state in which a line is restored through a secondary line in case of failure of a primary line by a remote power control system using an IoT terminal according to an embodiment of the present invention.
7 is an exemplary diagram illustrating communication with a sensor using an IoT terminal according to an embodiment of the present invention.
8 is an exemplary diagram illustrating a state in which power supplied to a branch network terminal is controlled using an IoT terminal and a slave IoT terminal according to an embodiment of the present invention.
9 is an exemplary view showing communication with a branch network terminal using an IoT terminal according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention, so various alternatives can be made at the time of this application. It should be understood that there may be equivalents and variations.

2 is a configuration diagram of a remote power control system using an IoT terminal according to an embodiment of the present invention.

The present invention relates to a control module 200 connected to the Internet 300 and the LTE IoT network 400 and located at the head office, and branch line termination equipment connected to the Internet 300 and communicating with the control module 200 ( 120) and is located at a branch and connected to the LTE IoT network 400 and the branch line termination equipment 120, the branch line termination equipment 120, branch network terminal 130 or sensor 140 Power provided to It may be configured to include the IoT terminal 100 for controlling.

The control module 200 and the branch line termination equipment 120 are connected to the Internet 300, and the control module 200 is normally connected to the branch network terminal 130 through the branch line termination equipment 120. And it performs a function of managing and controlling the sensor 140 .

However, in the present invention, when an Internet communication failure occurs between the control module 200 and the branch line termination equipment 120, the control module 200 is connected to the IoT terminal 100 through the LTE IoT network 400. and establish a recovery line.

The branch line termination equipment 120 is located at a branch remote from the head office and communicates with the control module 200 of the head office through the Internet 300. The branch line termination equipment 120 may be connected to a branch network terminal 130 or a sensor 140 located at each branch, and the control module 200 may connect the branch network terminal 130 through the branch line termination equipment 120. ) or the operation of the sensor 140, data collection, power supply/cutoff, etc. may be controlled.

That is, in the present invention, the branch line termination equipment 120 can communicate with the control module 200 of the head office through the Internet 300, which is the main line, and the person in charge of managing the control module 200 of the head office is normally Through the Internet 300, which is a management line, it will be possible to inspect the state of branch line termination equipment 120 located in a plurality of branches and perform regular management tasks.

The branch line termination equipment 120 communicates with the head office control module 200 through the Internet 300 if there is no failure in the Internet 300, which is the main line. However, according to the needs of the invention, the branch line termination equipment 120 and the head office control module 200 may transmit and receive encrypted data through a virtual private network (VPN).

In the present invention, failure may occur in one or more of the Internet 300, which is the main line, the branch line termination equipment 120, and the slave line termination equipment connected to the branch line termination equipment 120. When such a failure occurs, the branch line termination equipment 120 detects communication failure with the control module 200 of the head office and informs the control module 200 of the head office to establish a recovery line between the control module 200 and the IoT terminal 100. do.

The IoT terminal 100 builds a headquarters control module 200 and a recovery line through the LTE IoT network 400. Here, the LTE IoT network 400 is a low-speed communication network of up to 1 Mbps and cannot provide the entire service performed through the Internet 300, which is the main line. may have sufficient bandwidth to provide

In one embodiment, the IoT terminal 100 may operate the restored line through the LTE IoT (400) network in an always-connected state. Therefore, in the present invention, it is possible to quickly replace the network providing the service in case of Internet line failure, thereby preventing service interruption and providing continuous service.

The LTE IoT network 400 may have any one of LTE CAT.M, LTE NB-IoT and LTE-M standards, and can access each of them with a single link and a dual link, and LTE Cat-M and LTE It may be possible to access the NB-IoT standard network through a dual link.

The IoT terminal 100 may be connected to at least one branch line termination equipment 120 through serial communication, wherein any one of RS-232, RS-422, RS-485, and UART may be applied to the serial communication. And, as illustrated in FIG. 2 , branch network terminals 130 such as CCTVs, Wi-Fi routers, and wireless phones may be connected to branch line termination equipment 120 .

In addition, the branch line termination equipment 120 can communicate with the head office control module 200 through the Internet network 300, which is the main line, when there is no communication failure, and can transmit encrypted data according to the needs of the invention. can transmit and receive. That is, the head office control module 200 can perform daily management by receiving encrypted data or transmitting encrypted data to the branch line termination equipment 120 .

On the other hand, when a communication failure occurs between the head office control module 200 and the branch line termination equipment 120, the control module 200 is connected to the IoT terminal 100 connected to the LTE IoT network 400, but the branch line termination equipment (120) and the headquarters control module 200 may establish a recovery line for transmitting and receiving management data and recovery data through a detour tunnel formed through the LTE IoT network 400.

In this case, the sensor 140 including the branch network terminal 130, such as a CCTV, Wi-Fi router, and wireless phone, a temperature and humidity sensor 141, and an ultrasonic distance sensor 142, manages data from the control module 200. According to the control command of the IoT terminal 100 receiving the power is supplied or cut off through wireless communication or serial communication.

In addition, the data obtained from the branch network terminal 130 and the sensor 140 to which power is supplied are collected by the IoT terminal 100, and the IoT terminal transmits to the control module 200 so that the person in charge of the control module of the head office Remote control of various equipment at the branch becomes possible.

That is, the IoT terminal 100 is connected to at least one or more branch network terminals 130 or at least one or more sensors 140 through wireless communication, and the branch network terminals 130 or sensors 140 detect and form the form. One data may be provided to the control module 200 through the LTE IoT network 400.

As such, the present invention establishes a recovery line using an LET IoT network with low line cost in case of a communication failure of the main line, thereby enabling the IoT terminal 100 that performs remote power control and smart hub functions to perform various devices located at branches. to enable remote power control.

That is, the IoT terminal 100 performs a console server function to remotely access various devices of the branch, and when the branch network terminal 130 or sensor 140 fails or fails, the IoT terminal 100 The functions of the branch network terminal 130 or the sensor 140 may be restored by resetting and re-driving the power supply in .

In addition, the IoT terminal 100 is connected to a plurality of slave IoT terminals 110 and transmits a power control command, thereby establishing a control system for integrated control of multiple points and multiple locations.

3 is a detailed configuration diagram of an IoT terminal according to an embodiment of the present invention.

In the present invention, the IoT terminal 100 includes at least two plug connectors 107 to which plugs of power supply cords are coupled, and at least two plug connectors 107 that can be connected to the branch network terminal 130 or sensor 140. It may be configured to include the above USB port 108 and the serial port 109 connecting the branch line termination equipment 120 and serial communication.

The plug connector 107 is coupled with a plug of a power supply cord connected to a power supply unit (not shown), and supplies power to the IoT terminal 100. The IoT terminal 100 receives power and supplies or cuts off power to the branch line termination equipment 120, the branch network terminal 130, or the sensor 140 according to the control command of the control module 200.

When the plug of the power supply cord is coupled to the plug connector 107 of the IoT terminal 100, an active state can be displayed through an LED indicator, and preferably AC 220V (60Hz) power is input. can

The USB port 108 of the IoT terminal 100 is coupled with the USB cord of the branch line termination equipment 120, the branch network terminal 130, and the sensor 140 to supply or block power to them, and the control module ( 200), it will be possible to supply/disconnect power to each device according to the recovery data or control command.

As described above, the IoT terminal 100 may be interconnected with the branch line termination equipment 120 through serial communication, and the serial communication may be any one of RS-232, RS-422, RS-485, and UART. can

In the present invention, the IoT terminal 100 and the branch line termination equipment 120 can control the branch network terminal 130 and the sensor 140 through serial communication, and the IoT terminal 100 collects data by wire or wirelessly. One data can be provided to the branch line termination equipment 120 as well as the control module 200 .

The IoT terminal 100 transmits and receives data transmitted from the branch line termination equipment 120, the branch network terminal 130, and the sensor 140 through the headquarters control module 200 and the recovery line (bypass tunnel). can

Meanwhile, the IoT terminal 100 may include a Wi-Fi module 106b and a Bluetooth module 106c, and may communicate with the sensor 140 interlocked wirelessly. This will be described later in detail.

In addition, the IoT terminal 100 may have a serial port 109, which is to be able to interwork with the remotely controlled branch network terminal 130 and the sensor 140 by wire if necessary. . The serial port 109 may function as a serial console port.

4 is an internal configuration diagram of an IoT terminal according to an embodiment of the present invention, and FIG. 9 is an exemplary diagram showing communication with a branch network terminal using the IoT terminal according to an embodiment of the present invention.

In the present invention, the IoT terminal 100 is connected to the IoT interface unit 103 connected to the LTE IoT network 400, the remote access interface unit 101 and the branch line termination equipment 120 through serial communication. It may be configured to include serial interface units 104a and 104b.

That is, the IoT terminal 100 includes an IoT interface unit 103 connected to the LTE IoT network 400, a remote access interface unit 101, and a serial interface unit connected to at least one branch line termination equipment 120 ( 104a, 104b), a TCP/IP stack 102, a VPN interface unit 106a, a Wi-Fi module 106b, and a Bluetooth module 106c.

The serial interface units 104a and 104b may be connected to one or more branch line terminating equipment 120, and receive recovery data from the control module 200 when the Internet 300, which is the main line, fails, so that the branch line terminating equipment 120 ) can be provided. As one embodiment, the serial interface units 104a and 104b may apply any one of RS-232, RS-422, RS-485 and UART.

In the present invention, the encryption unit 105 may perform a function of encrypting management data and/or recovery data to be transmitted through a detour tunnel between the control module 200 and the IoT terminal 100. In addition, according to the needs of the invention, the VPN interface unit 106a may perform a function of transmitting encrypted data according to a VPN protocol by performing communication with the LTE IoT network 400.

As described above, when a failure occurs in any one of the branch line termination equipment 120 and the Internet 300, the IoT terminal 100 establishes a recovery line (bypass tunnel) through the LTE IoT 400 network. In one embodiment, the IoT terminal 100 is connected to the LTE IoT network 400 through the LTE IoT interface unit 103 and is connected to the headquarters control module 200 through the LTE IoT network 400. The headquarters control module 200 transmits recovery data or management data through such a recovery line.

According to the needs of the present invention, the encryption unit 105 may encrypt provided data. The encryption unit 105 may encrypt recovery data and/or management data using any one or more of IPsec, MS-CHAP, and RC4 technologies. Encrypted data may be provided to the VPN interface unit 106a, which transmits it according to a defined protocol. In addition, according to the needs of the invention, the VPN interface unit 106a may establish a detour tunnel using any one protocol among PPTP, L2TP, OpenVPN, SSTP, and IKEv2, and transmit encrypted data.

The control module 200 of the head office can connect to the IoT terminal 100 through a remote access interface 101 such as HTTP, HTTPS, telnet, and secure shell (SSH). In another embodiment, the control module 200 may transmit to or receive from the IoT terminal 100 through Internet Control Message Protocol (SNMP) and Internet Control Message Protocol (ICMP). Further, according to the needs of the invention The headquarters control module 200 may transmit or receive an error message to the IoT terminal 100 through Internet Control Message Protocol (SNMP).

The operation of the IoT terminal 100 having the above configuration is as follows. The control module 200 is connected to the IoT terminal 100 by protocols such as HTTP, HTTPS, Telnet, SSH, ICMP, SNMP, etc., and the control module 200 is connected to the IoT terminal 100, branch line termination equipment ( 120) and branch network terminals 130 may be selected and connected.

As such, in the present invention, the IoT terminal 100 can perform an IoT server function and provide a manager access function through a Web-user interface (UI). The manager of the control module 200 accesses the IoT terminal 100 to perform configuration inquiry and setting, log and event inquiry, network management function through SNMP, and control module for connectivity check. It may be possible to provide a response to an ICMP request sent from a remote access device.

Meanwhile, the IoT terminal 100 may further include a Wi-Fi module 106b and a Bluetooth module 106c as wireless communication modules. The IoT terminal 100 wirelessly connects to a plurality of sensors 140 through Wi-Fi or Bluetooth, obtains various sensing data, and transmits them to the control module 200. can

5 is an exemplary view showing appearances of a remote control method using an IoT terminal and an independent control method of an IoT terminal according to an embodiment of the present invention.

5 (a) shows a remote control method by the control module 200. When an abnormality is detected in a device such as a branch network terminal 130 or a sensor 140, the control module 200 of the head office resets power. It is possible to take a method of transmitting a command, supplying power to the corresponding device again after a certain period of time after the IoT terminal 100 cuts off power to drive the corresponding branch network terminal 130 or sensor 140 again.

On the other hand, (b) of FIG. 5 shows an independent control method by the IoT terminal. In order to check the status of the branch network terminal 130 or the sensor 140 in the IoT terminal 100, a failure check is periodically performed. And, when there is no response from the equipment to check for failure, the power supply is cut off to the corresponding branch network terminal 130 or sensor 140, and after a certain period of time, the power is applied again to restart, such power cut/supply operation A method of reporting the result to the control module 200 may be taken.

In the present invention, it is preferable to check the failure of the IoT terminal 100 for the branch network terminal 130 or the sensor 140 connected to the serial port 109 .

7 is an exemplary view showing communication with a sensor using an IoT terminal according to an embodiment of the present invention.

In the present invention, the IoT terminal 100 may be configured to communicate with the branch network terminal 130 or the sensor 140 by including a Wi-Fi communication module and a Bluetooth communication module.

That is, the IoT terminal 100 may include a wireless communication module, for example, a Wi-Fi module 106b and a Bluetooth module 106c, and is wirelessly connected to a plurality of sensors 140 using the same, thereby providing data can send and receive

In the present invention, the Wi-Fi module 106b can be equipped with a standard WiFi communication function of the 802.11 series, and the Bluetooth module 106c can have a low-power Bluetooth (BLE) built-in.

Referring to FIG. 7 , the IoT terminal 100 is connected to the temperature and humidity sensor 310 through wireless communication. The temperature and humidity sensor 141 may detect the temperature and humidity of the installed place and provide them to the IoT terminal 100 wirelessly.

In one embodiment, according to the needs of the invention, the temperature and humidity sensor 141 is installed at a distance of 10 to 50 cm from the location where the IoT terminal 100, branch line termination equipment 120, or branch network terminal 130 is installed. It may be attached or installed, and may be installed in another location within the branch.

The IoT terminal 100 may provide the temperature and humidity data detected through serial communication or wireless communication to the IoT terminal 100, and the IoT terminal 100 may transmit the temperature and humidity data to the headquarters control module through a recovery line (bypass tunnel). (200) can be provided. In addition, the IoT terminal 100 may provide temperature and humidity data to the branch line terminating equipment 120 through serial communication, and the branch line terminating equipment 120 stores it, and the Internet 300, which is the main line, is reopened. Then, the temperature and humidity data can be provided to the control module 200 of the head office through the Internet.

In the illustrated embodiment, the IoT terminal 100 is connected to the ultrasonic distance sensor 142 through wireless communication. The ultrasonic distance sensor 142 is a type of motion sensor, and may detect motions of a human body and/or an object at an installed place and provide the motions to the IoT terminal 100 wirelessly. For example, the ultrasonic distance sensor 142 may be installed at a distance of 10 to 50 cm from the location where the IoT terminal 100, the branch line termination equipment 120, or the branch network terminal 130 is installed, or may be installed attached thereto. and may be installed at other locations within the branch, such as at the entrance.

The IoT terminal 100 may provide operation data to the headquarters control module 200 through a recovery line. In addition, the IoT terminal 100 may provide operation data to the branch line termination equipment 120 through serial communication or wireless communication, and the branch line termination equipment 120 is connected to the Internet 300, which is the main line when Internet communication failure is removed. ) It is possible to provide operation data to the headquarters control module 200 through.

In the above embodiments, the IoT terminal 100 may be connected to other sensors such as a fine dust sensor, an air quality measurement sensor, and an infrared sensor other than the temperature and humidity sensor 141 and the ultrasonic distance sensor 142 through a wireless or serial port. And, the detected data of each sensor can be provided to the control module 200 of the head office.

As such, the IoT terminal 100 of the present invention provides an IoT router function, and has the advantage of being able to easily transfer information collected from various sensors to the headquarters control module 200. In addition, it is possible to prepare the basis for immediate action through branch environment monitoring such as unmanned branch fire monitoring through the control module 200, and it will be possible to build an infrastructure in preparation for the appearance of various IoT sensors.

8 is an exemplary diagram illustrating how to control power supplied to a branch network terminal using an IoT terminal and a slave IoT terminal according to an embodiment of the present invention.

In the present invention, the IoT terminal 100 is connected to at least one or more slave IoT terminals 110 that provide power to at least one or more branch network terminals 130 or at least one or more sensors 140 through wireless communication, and the The slave IoT terminal 110 may be controlled to supply or block power to the branch network terminal 130 or the sensor 140 .

The slave IoT terminal 110 may receive a control command from the IoT terminal 100 through wireless communication. The slave IoT terminal 110 receiving the control command may supply or block power to the branch network terminal 130 or sensor 140 interlocked with the slave IoT terminal 110 through wireless communication or serial communication according to the control command. there is.

That is, at least one or more slave IoT terminals 110 capable of performing the same function as the IoT terminal 100 can be driven to be connected through wireless communication, where Wi-Fi communication or Bluetooth communication can be applied. can

At this time, the IoT terminal 100 directly connected to the LTE IoT network 400 plays the role of a master, and other IoT terminals operate as slaves, which are installed over a wide range This is to efficiently manage the branch network terminals 130 or sensors 140 and overcome the limitation on the number of physical outlets.

That is, in the present invention, power supply/cutoff of the branch network terminal 130 or sensor 140 connected to the USB port 108 of the IoT terminal is controlled, and the USB port 108 and the serial port provided in the IoT terminal ( 109), it is possible to efficiently control power supply/cut-off of more branch network terminals 130 or sensors 140.

6 is an exemplary diagram illustrating a state in which a line is restored through a secondary line when a main line fails by a remote power control system using an IoT terminal according to an embodiment of the present invention.

According to the present invention, even if a communication failure occurs between the main line and / or the headquarters control module 200 and the branch line termination equipment 120, the LTE IoT network 400 is connected to the IoT terminal 100 and the headquarters control module 200 Since a recovery line (bypass tunnel; emergency recovery equipment management communication path) is established between them, stable management is possible.

In this way, the IoT terminal 100 can perform a remote console server function by incorporating a dedicated emulator S/W therein, and can access the console by connecting a serial port to the console port of the controlled point device.

That is, with the above remote console function, i) the remote power control system of the present invention can distinguish between main line and equipment failure, enabling immediate action, ii) management of remote equipment through the LET IoT network even in the event of a main line failure iii) Even in the case of information errors related to TCP/IP communication, such as remote access program malfunction and IP address change, necessary measures can be taken by remote access, and iv) Management tasks performed only in console mode, such as system initialization and IP change, can be performed remotely. There are advantages to doing it with

In addition, according to the present invention, an emergency recovery system is provided, in which the control module performs remote management of branch equipment through a normal main line, but establishes an emergency recovery system using a cost-effective LET IoT line with a remote console access function, When communication with various equipment is impossible, remote console access through the LET IoT network has the advantage of being able to determine the exact cause of whether it is a line problem or a equipment problem.

Although the present invention has been described in relation to specific embodiments of the present invention, this is only an example and the present invention is not limited thereto. Those skilled in the art to which the present invention belongs may change or modify the described embodiments without departing from the scope of the present invention, and within the scope of equivalents of the technical spirit of the present invention and the claims to be described below Many modifications and variations are possible.

10: Technical support center
100: IoT terminal
101: remote access interface unit
102: TCP/IP stack
103: LTE IoT interface unit
104a, 104b: serial interface unit
105: encryption unit
106a: VPN interface unit
106b: Wi-Fi module
106c: Bluetooth module
107: plug connector
108: USB port
109: serial port
110: slave IoT terminal
120: branch line termination equipment
121: Headquarters line termination equipment
130: branch network terminal
140: sensor
141: temperature and humidity sensor
142: ultrasonic distance sensor
200: control module
300: internet
400: LTE IoT network

Claims (10)

A control module 200 connected to the Internet 300 and the LTE IoT network 400 and located at the headquarters;
Branch line termination equipment 120 connected to the Internet 300 and communicating with the control module 200; and
Located at a branch and connected to the LTE IoT network 400 and branch line termination equipment 120, controlling power provided to the branch line termination equipment 120, branch network terminal 130 or sensor 140 Including; IoT terminal 100,
When an Internet communication failure occurs between the control module 200 and the branch line termination equipment 120, the IoT terminal 100 and the control module 200 establish a recovery line through the LTE IoT network 400,
When the Internet failure occurs, the control module 200 provides management data to the IoT terminal 100 through the LTE IoT network 400, and the IoT terminal 100 transmits the management data to the branch line termination equipment 120. send,
The IoT terminal 100,
Equipped with a Wi-Fi communication module and a Bluetooth communication module to communicate with the branch network terminal 130 or sensor 140,
It is connected to at least one branch network terminal 130 and at least one sensor 140 through wireless communication, and transmits data formed by detection by the branch network terminal 130 and sensor 140 to the LTE IoT network 400. provided to the control module 200 through
The branch network terminal 130 includes a CCTV, a Wi-Fi router, and a wireless phone,
The sensor 140 includes an ultrasonic distance sensor and an infrared sensor installed apart from the branch network terminal, but the sensor 140 is the IoT terminal 100, the branch line termination equipment 120 or the branch network terminal 130 ) is installed at a distance of 10 to 50 cm from the installed position,
The IoT terminal 100,
IoT interface unit 103 connected to the LTE IoT network 400; a remote access interface unit 101; Serial interface units 104a and 104b connected to the branch line termination equipment 120 through serial communication; At least two or more plug connectors 107 to which plugs of power supply cords are coupled; At least two or more USB ports 108 that can be connected to the branch network terminal 130 or the sensor 140; And a serial port 109 connecting the branch line termination equipment 120 and serial communication;
The IoT terminal 100,
It is connected to at least one slave IoT terminal 110 that provides power to at least one branch network terminal 130 and at least one sensor 140 through wireless communication, and controls the slave IoT terminal 110 to control the branch. Provide or block power to the network terminal 130 and the sensor 140,
The IoT terminal 100,
In order to check the status of the branch network terminal 130 or sensor 140, the branch network terminal 130 or sensor 140 periodically checks for faults, and when the branch network terminal 130 or sensor 140 does not respond to the fault check, the corresponding branch network terminal 130 Alternatively, the sensor 140 cuts off the power supply, re-applies the power after a certain period of time, and re-drives it, and transmits information about the result of power cut-off and supply operation to the control module 200 Using an IoT terminal characterized in that Remote power control system.
delete delete delete delete delete delete delete The method of claim 1, wherein the IoT terminal 100 is connected to the branch line termination equipment through serial communication, wherein the serial communication is any one of RS-232, RS-422, RS-485 and UART. Remote power control system using IoT terminal.
According to claim 1,
The LTE IoT network 400 is a remote power control system using an IoT terminal, characterized in that any one of LTE CAT.M, LTE NB-IoT and LTE-M networks.

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