KR102477164B1 - Leakage current smart monitoring system - Google Patents

Abstract

The present invention relates to a smart leakage current monitoring system and, more specifically, to a smart leakage current monitoring system which monitors leakage current in real time, compensates for the leakage current, and manages related actions systematically and collectively. To this end, the smart leakage current monitoring system comprises: a monitoring unit detecting leakage current occurring in electronic equipment and a compensation current compensated through a compensator operating according to the leakage current; a data processing unit integrating the leakage current and the compensation current at regular intervals to generate time-specific leakage information for the electronic equipment; and a communication unit integrating identification information of the electronic equipment with the time-specific leakage information to transmit the integrated information to a control server using the LoRaWAN standard.

Description

Leakage current smart monitoring system {LEAKAGE CURRENT SMART MONITORING SYSTEM}

The present invention relates to a leakage current smart monitoring system, and more particularly, to a leakage current smart monitoring system capable of monitoring leakage current in real time, compensating for leakage current, and systematically and integrally managing measures for the leakage current.

In the distribution panel, a circuit breaker to prevent leakage and wires connected from the circuit breaker to the outlet are installed. When there is a short circuit in electric devices connected to electric wires or outlets, the electricity is completely cut off by the earth leakage breaker.

However, there are situations in which an electronic device must continue to operate even when a short circuit occurs. In addition, it is necessary to systematically manage leaking electricity in such a current leakage situation.

The present invention is to solve the above problems, its purpose is to provide a smart monitoring device. More specifically, it is to provide a smart monitoring device capable of monitoring leakage current in real time, compensating for leakage current, and systematically and integratedly managing measures for it.

A leakage current smart monitoring system according to an embodiment of the present invention for achieving the above object includes a monitoring unit for detecting a leakage current generated in electronic equipment and a compensation current compensated through a compensator operating according to the leakage current; A data processing unit that integrates the leakage current and the compensating current at regular intervals to generate hourly leakage amount information for the electronic equipment, and integrates the identification information of the electronic equipment into the hourly leakage amount information and transmits it to the control server through a lora network It includes a communication unit that

In an embodiment, the leakage amount information for each time is a current value obtained by adding the leakage current and the compensating current.

In the embodiment, the control server creates a monitoring management screen for each cumulative graph created by accumulating the hourly leakage amount information hourly, daily, and monthly, the hourly leakage amount information, and the identification information, and provides a web page service. .

In an embodiment, the data processing unit selectively activates an emergency power supply module for supplying emergency current for checking whether or not there is a communication problem with respect to the communication unit based on the magnitude of the leakage current, and the emergency power supply module It is a module to convert AC power into a current value of a certain size and supply it for a certain period of time.

In an embodiment, the emergency power supply module includes a power supply device having one side connected to an AC power line, a large-capacity capacitor having one side connected to the communication unit, and an overcharge switching circuit disposed between the power supply device and the large-capacity capacitor. do.

In an embodiment, the control server compares whether the sum of the leakage current and the compensation current is greater than or equal to a predetermined value, a detection unit that individually detects each current information for the leakage current and the compensation current from the leakage amount information for each time. A comparator, if the sum is greater than or equal to a predetermined value, a judging unit that determines whether there is a difference between the sum of the leakage current and the compensating current and the leakage amount information for each time period, and a NULL value for each current information, compared through the comparator and a diagnosis unit for diagnosing state information on any one of the electronic equipment and the communication unit based on the comparison result and the determination result determined through the determination unit.

In an embodiment, when the diagnosis unit diagnoses any one of the electronic equipment and the communication unit as abnormal, it provides the identification information, the status information, and the monitoring management screen to the manager terminal.

In an embodiment, the diagnostic unit transmits instruction information for instructing risk processing to the requesting company terminal and the manager terminal when the information on the amount of leakage per hour corresponds to predetermined risk information, and at the same time, an alarm through an alarm device connected to the communication unit. do.

According to the leakage current smart monitoring system according to an embodiment of the present invention, there is an advantage in systematically managing leakage current when leakage current occurs.

In addition, when the monitoring module is stolen, the control server detects it and strengthens security.

1 is a block diagram showing the configuration of a leakage current smart monitoring system 1000 device according to an embodiment of the present invention.
2A is an embodiment of the leakage current smart monitoring system 1000 of FIG. 1, FIG. 2B is a schematic diagram illustrating the inside of the leakage current smart monitoring system 1000 of FIG. 2A, and FIG. 2C is an emergency power supply of FIG. 2B. This is an embodiment of the supply module 210.
3(A) and 3(B) are examples of monitoring management screens provided by the control server 500 of FIG. 1 .
4 is a block diagram for explaining the control server 500 of FIG. 1 in detail.
FIG. 5 is an embodiment for explaining a diagnosis operation of the diagnosis unit 540 of FIG. 3 .

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention.

However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

In this specification, redundant descriptions of the same components are omitted.

In addition, in this specification, when a component is referred to as being 'connected' or 'connected' to another component, it may be directly connected or connected to the other component, but another component in the middle It should be understood that may exist. On the other hand, in this specification, when a component is referred to as 'directly connected' or 'directly connected' to another component, it should be understood that no other component exists in the middle.

In addition, terms used in this specification are only used to describe specific embodiments and are not intended to limit the present invention.

Also, in this specification, a singular expression may include a plurality of expressions unless the context clearly indicates otherwise.

In addition, in this specification, terms such as 'include' or 'having' are only intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more It should be understood that the presence or addition of other features, numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Also in this specification, the term 'and/or' includes a combination of a plurality of listed items or any item among a plurality of listed items. In this specification, 'A or B' may include 'A', 'B', or 'both A and B'.

Figure 1 is a block diagram showing the configuration of a leakage current smart monitoring system 1000 device according to an embodiment of the present invention, Figure 2a is an embodiment of the leakage current smart monitoring system 1000 of Figure 1, Figure 2b is a conceptual diagram illustrating the inside of the leakage current smart monitoring system 1000 of FIG. 2A, FIG. 2C is an embodiment of the emergency power supply module 210 of FIG. 2B, and FIGS. 3 (A) and 3 (B) are examples of monitoring management screens provided by the control server 500 of FIG. 1 .

1 to 3 (B), the leakage current smart monitoring system 1000 may include a monitoring unit 100, a data processing unit 200, and a communication unit 300.

First, the monitoring unit 100 may detect a leakage current generated in the electronic equipment 1 and a compensating current compensated through the compensator 10 operating according to the leakage current in real time.

Here, the electronic equipment 1 may mean various types of electronic devices and systems used in smart cities, smart factories, smart farms, smart homes, EMS, and the like.

At this time, as shown in FIG. 2A, the compensator 10 is connected in parallel to the AC power lines 2 and 3 supplied to the electronic equipment 1 through dividers to shield, absorb, and reduce leakage current. It may consist of a plurality of as.

Specifically, as shown in FIG. 2B, the monitoring unit 100 uses a sensor module CT disposed on one of the AC power lines 2 and 3 (eg, 3) to determine the leakage current and Compensation current can be sensed.

Next, the data processing unit 200 may integrate the leakage current and compensation current detected through the monitoring unit 100 at regular intervals to generate time-specific leakage amount information for the electronic equipment 1 .

Here, the leakage amount information for each time may be a current value obtained by adding the leakage current and the compensation current.

Next, the communication unit 300 may integrate the identification information of the electronic equipment 1 into the hourly leakage amount information generated through the data processing unit 200 and transmit it to the control server 500 through a lora network.

Here, the identification information may include equipment location information, manager information, contact information, and equipment information.

At this time, the control server 500, as shown in FIGS. 3 (A) and 3 (B), accumulates each hourly, daily, and monthly leakage amount information, each accumulated graph, hourly leakage amount information, and identification information into one. It can be created as a monitoring management screen, and serviced as a web page to each terminal (31, 32) accessed through a specific website.

Depending on the embodiment, the data processing unit 200 may selectively activate the emergency power supply module 210 for supplying emergency current to check whether there is a communication failure with respect to the communication unit 300 based on the magnitude of the leakage current. have.

Here, the emergency power supply module 210 is a module for converting AC power into DC to a current value of a certain size and supplying it for a certain period of time. ) may be included.

As shown in FIG. 2C, the emergency power supply module 210 includes a power supply unit (SMPS) having one side connected to an AC power line, a large-capacity capacitor (SUPER CAP) connected to the power supply unit (SMPS), and a communication unit 300 ) and the overcharge switching circuit 211 disposed between the large-capacity capacitor (SUPER CAP).

Hereinafter, the configuration of the present invention and its effects will be described in more detail through specific examples and comparative examples. However, these examples are for explaining the present invention in more detail, and the scope of the present invention is not limited to these examples.

FIG. 4 is a block diagram for explaining the control server 500 of FIG. 1 in detail, and FIG. 5 is an embodiment for explaining the diagnosis operation of the diagnosis unit 540 of FIG. 3 .

Referring to FIGS. 1 to 5 , the control server 500 may include a detection unit 510 , a comparison unit 520 , a determination unit 530 and a diagnosis unit 540 .

First, the detection unit 510 may individually detect each current information about the leakage current and the compensation current from the leakage amount information for each time transmitted through the communication unit 300 .

Next, the comparator 520 may compare whether the calculated sum of the leakage current detected by the detector 510 and the compensation current is greater than or equal to a predetermined value.

Next, when the calculated sum of the leakage current and the compensation current is greater than or equal to a preset value, the determination unit 530 may determine whether there is a difference between the sum of the leakage current and the compensation current and the leakage amount information per time.

Next, the diagnosis unit 540 determines the 'NULL' value for each current information detected through the detection unit 510, the comparison result through the comparison unit 520, and the judgment result determined through the determination unit 530. Based on, it is possible to diagnose the status information for any one of the electronic equipment 1 and the communication unit 300.

Specifically, the diagnosis unit 540 may diagnose the electronic equipment 1 and the communication unit 300 as being in a normal state when the sum of the leakage current and the compensation current and the leakage amount information for each time have the same value and are equal to or greater than a predetermined value. . For example, as described in FIG. 5 , when the sum of the leakage current and the compensation current is 3A and the leakage amount information per time is 3A, the diagnosis unit 540 is in a normal state with respect to the electronic equipment 1 and the communication unit 300. can be diagnosed with

In addition, the diagnosis unit 540 diagnoses the electronic equipment 1 as an abnormal state when the sum of the leakage current and the compensation current is less than a predetermined value, and the sum of the leakage current and the compensation current and the leakage amount information for each time are different values. can do. For example, as described in (A) of FIG. 5, when the sum of the leakage current and the compensation current is OA and the leakage amount information per hour is 3.1A, the diagnostic unit 540 determines the electronic equipment 1 to be in an abnormal state. can be diagnosed with

In addition, the diagnosis unit 540 may diagnose the communication unit 300 as an abnormal state when the leakage amount information for each time confirmed through the detection unit 510 is detected as a 'NULL' value. For example, as described in (B) of FIG. 5 , when the leakage amount information for each time is a 'NULL' value, the communication unit 300 may be diagnosed as an abnormal state.

According to an embodiment, the diagnostic unit 540, when diagnosed as an abnormal state for any one of the electronic equipment 1 and the communication unit 300, the corresponding identification information of the electronic equipment 1 to the manager terminal 32, Status information and monitoring management screen can be provided.

According to another embodiment, when the hourly leakage amount information corresponds to predetermined risk information, for example, fire, the diagnosis unit 540 provides instruction information for instructing the client company terminal 31 and the manager terminal 32 to handle risk. At the same time, an alarm control signal may be transmitted to the leakage current smart monitoring system 1000 through a network so that an alarm can be issued through an alarm device (not shown) connected to the communication unit 300.

Although representative embodiments of the present invention have been described in detail above, those skilled in the art will understand that various modifications are possible to the above-described embodiments without departing from the scope of the present invention. . Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, and should be defined by not only the claims to be described later, but also those equivalent to these claims.

100: monitoring unit
200: data processing unit
300: communication department
500: control server
1000: leakage current smart monitoring system

Claims (8)

a monitoring unit that detects a leakage current generated in electronic equipment and a compensating current compensated by a compensator operating according to the leakage current;
a data processing unit integrating the leakage current and the compensating current at regular intervals to generate time-dependent leakage amount information for the electronic equipment; and
A communication unit for integrating the identification information of the electronic equipment into the hourly leakage amount information and transmitting it to a control server through a lora network;
The leakage amount information for each time is a current value obtained by adding the leakage current and the compensation current, the leakage current smart monitoring system. delete According to claim 1,
The control server creates a monitoring management screen for each accumulated graph, the hourly leakage amount information, and the identification information created in the hourly, daily, and monthly accumulation of the hourly leakage amount information and services the leak current smart monitoring as a web page. system. According to claim 1,
The data processing unit selectively activates an emergency power supply module for supplying emergency current to check whether there is a communication problem with respect to the communication unit based on the magnitude of the leakage current,
The emergency power supply module is a module for converting AC power into a current value of a certain size and supplying it for a certain time, leakage current smart monitoring system. According to claim 4,
The emergency power supply module includes a power supply device having one side connected to an AC power line, a large-capacity capacitor connected to the communication unit on the other side, and an overcharge switching circuit disposed between the power supply device and the large-capacity capacitor Leakage current smart monitoring system. According to claim 3,
The control server includes a detection unit that individually detects each current information about the leakage current and the compensation current from the time-specific leakage amount information;
a comparator which compares whether the sum of the leakage current and the compensating current is equal to or greater than a preset value;
a determination unit determining whether there is a difference between the sum of the leakage current and the compensation current and the leakage amount information for each time period when the sum is equal to or greater than a preset value; and
Based on the NULL value for each current information, the comparison result compared through the comparison unit, and the determination result determined through the determination unit, a diagnostic unit for diagnosing state information on any one of the electronic equipment and the communication unit. , leakage current smart monitoring system. According to claim 6,
When the diagnostic unit diagnoses any one of the electronic equipment and the communication unit as an abnormal state, the leakage current smart monitoring system provides the identification information, the status information, and the monitoring management screen to a manager terminal. According to claim 6,
The diagnosis unit transmits instruction information for instructing risk processing to the requester terminal and the manager terminal when the leakage amount information for each time corresponds to preset risk information, and at the same time alerts through an alarm device connected to the communication unit, leakage current smart. monitoring system.

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