KR101859925B1 - a smart eletricity interception system with the function of both remote data acquisiton and the remote control - Google Patents

Abstract

The present invention relates to an intelligent power cutoff system including remote data collection and control functions. The intelligent power cutoff system including remote data collection and control functions according to an embodiment of the present invention includes a sensor unit (110), a processor unit (120), a communication unit (130), a battery unit (140), a servo motor unit (150), and a leakage current cutoff unit (160). The sensor unit (110) includes an internal temperature sensor (111), an internal humidity sensor (112), an external temperature sensor (113), an external humidity sensor (114), and a current measurement sensor (115). Therefore, the present invention can maintain the stability of the system in which an earth leakage circuit breaker is installed and can provide an electric leakage cutoff solution.

Description

[0001] The present invention relates to an intelligent power interruption system having remote data collection and control functions,

More particularly, the present invention relates to a remote situation detection technology based on environment sensor information for analyzing a short circuit situation and cause, an optional information transmission technique based on such a situation, and a master-slave structure And more particularly, to an intelligent power shutdown system having remote data collection and control functions through the establishment of a local appliance network.

Conventional circuit breaker technologies have the function of automatic restoration in the event of a short circuit. However, even if remote control is impossible or remote control is possible, most of them have only power on / off function. (RS-232, RS-485).

In addition, even if wireless communication is used, only Wifi is supported, so it is impossible to install in a region that does not support Wifi, and there is a problem that all the individual devices are connected to the main server and occupy excessive communication bandwidth.

In addition, there is no short-circuit protection solution that provides information on the ambient conditions (humidity, temperature (fire)) that are essential as additional information necessary to identify the cause of the short circuit of the earth leakage breaker.

Patent Literature 10-0990860 ("Leakage circuit breaker capable of checking functions without shutting off the main power supply" and "Leakage function checking method, hereinafter referred to as prior art") discloses a method of detecting a leakage current when a leakage current occurs in a main power line, And the trip coil is operated by the trip coil control unit for outputting the control signal of the earth leakage breaker in accordance with the leakage current detection signal to cut off the power of the main power line and generate an artificial leakage current And a test button for confirming an operating state of the earth leakage breaker, wherein the output circuit of the rectifier circuit and the input terminal of the leakage current detector are provided between the trip coil and the leakage current detector to selectively supply a normal leakage current and an artificial leakage current A function check switching means for outputting the detected voltage to the leakage current detecting unit; A supply current limiting means provided at an output terminal for outputting an artificial leakage current from the device function checking switching means to supply a small amount of current to the trip coil control unit so as not to generate sufficient electromotive force for operating the trip coil; And an operating state checking means for indicating a state in which the function of the earth leakage breaker has been checked by being able to operate at a current set by the current limiting means and checking whether the earth leakage breaker is normally operating in a state in which the main power is not cut off, A circuit breaker capable of performing the function check of the circuit breaker at any time even when the device is normally operating "has been provided.

The prior art and the prior art described above have a problem that the information provided by the existing earth leakage breaker is too limited (there are various causes such as leakage and fire among the causes of the short circuit) in order to comprehensively judge the electric leakage condition. And to provide an intelligent power shutdown system having data acquisition and control functions.

In addition, the prior art and prior art require a separate communication network, or there is a restriction on the installation environment of an existing system that can be remotely monitored only by an already installed Internet network. However, the present invention can overcome this problem, And to provide an intelligent power shutdown system having remote data collection and control functions to predict and inform the situation in advance.

In addition, the present invention collects and refines the surrounding environment and state information of the earth leakage breakers having a non-wide-area communication function in a short distance, transmits it to the central control server by utilizing the wide-area communication function, receives the remote control command, .

In addition, the present invention realizes a leakage current detection function using the environmental sensor information inside / outside the earth leakage breaker and detects a leakage current situation, and detects whether or not a leakage current is blocked by using a permanent magnet attached to a switch of a hall sensor and a conventional earth leakage breaker And an intelligent short circuit protection system for performing the functions of the present invention.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-

The present invention provides an intelligent earth leakage circuit breaker including a sensor unit 110, a processor unit 120, a communication unit 130, a battery unit 140, a servo motor unit 150,

The sensor unit 110 includes an internal temperature sensor 111, an internal humidity sensor 112, an external temperature sensor 113, an external humidity sensor 114, and a current measurement sensor 115 And,

And optionally a leakage detection sensor (118) or a fire monitoring sensor (119).

The present invention also provides an intelligent power shutdown system having a remote data collection and control function including the intelligent electrical circuit breaker (300) including the intelligent earth leakage breaker (100) and the central control server (200).

The present invention is characterized in that the intelligent earth leakage breaker 100 included in the intelligent earth leakage breaker 300 includes the master intelligent earth leakage breaker 101 and one or more slave intelligent earth leakage breakers 100 Provides an intelligent power shutdown system with remote data collection and control functions.

The present invention has a remarkable effect for maintaining the stability of a system in which an earth leakage breaker is installed by monitoring changes in the surrounding environment (leakage, fire, rapid temperature change, humidity change, etc.) at the installation place of each earth leakage breaker at a remote place.

Further, the present invention provides an abundant information for analyzing the cause of leakage, so that it is possible to easily perform a short circuit recovery using a wide area network (LTE) at a remote place without dispatching an article.

In addition, since the present invention uses a wide area network (LTE), an effect of providing a short circuit protection solution which can operate even in a night or wifi shadow area where no Wifi is installed.

1 is a conceptual diagram of an intelligent power shutdown system according to the present invention;
2 is a structural view of an intelligent earth leakage circuit breaker according to the present invention;
3 is a configuration diagram of a sensor unit of an intelligent earth leakage circuit breaker according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

The present invention provides an intelligent power shutdown system having remote data collection and control functions including an intelligent short circuit protection unit (300) and a central control server (200).

The intelligent earth leakage interceptor 300 according to the present invention includes one or more intelligent earth leakage breakers 100 and 101 to transmit sensor information to the central control server 200 do.

Each of the intelligent earth leakage breakers 100 and 101 included in the intelligent electrical leakage blocking unit 300 can individually transmit sensor information received through the sensor to the central control server 200. [

As shown in FIG. 1, the intelligent earth leakage breakers 100 and 101 included in the intelligent earth leakage cutoff unit 300 may be divided into a master intelligent earth leakage breaker 101 and a slave intelligent earth leakage breaker 100.

In the present invention, the master intelligent earth leakage breaker 101 and the slave intelligent earth leakage breaker 100 will be collectively referred to as intelligent earth leakage breakers 100 and 101, respectively.

The master intelligent earth leakage breaker 101 transmits the sensor information to the central control server 200 through a wide area connection (LTE) with the central control server 200.

The slave intelligent earth leakage breaker 110 is connected to the master intelligent earth leakage breaker 101 by a short distance communication method and transmits the sensor information acquired from the slave intelligent earth leakage breaker 100 to the master intelligent earth leakage breaker 101 .

The short-range communication method may be a short-range communication method such as ZigBee communication, Wifi, or Bluetooth.

The master intelligent earth leakage breaker 101 obtains and stores the grasp information in real time from the slave intelligent earth leakage breaker 100 and resampling data gathered every T_ns (normal sample) period previously set by the manager at intervals of t_ns And transmits the summary sensor information to the central control server 200.

If any one of the master intelligent earth leakage breaker 101 or the slave intelligent earth leakage breaker 100 detects an abnormal situation, the transmission period is changed to T_es (emergency sample) and transmitted more frequently. At this time, Collects more dense data at a period of t_es and transmits the collected data to the central control server 200.

The master intelligent earth leakage circuit breaker 101 and / or the slave intelligent earth leakage breaker 100 according to the present invention may include a sensor unit 110, a processor unit 120, a communication unit 130, a battery unit 140, a servo motor unit 150, and an earth leakage blocking unit 160. [

2, the master intelligent earth leakage circuit breaker 101 and / or the slave intelligent earth leakage breaker 100 are basically a circuit / functional module configuration of a separate earth leakage breaker And an intelligent earth leakage blocking module is additionally attached to the existing simple earth leakage breaker.

The sensor unit 110 includes an internal temperature sensor 111, an internal humidity sensor 112, an external temperature sensor 113, an external humidity sensor 114, and a current measurement sensor 115.

The internal temperature sensor 111 and the internal humidity sensor 112 refer to a temperature sensor and a humidity sensor installed to measure the temperature inside the slave intelligent earth leakage breaker 110.

The internal temperature sensor 111 is a conventional sensor for measuring temperature, and transmits the measured temperature information to the processor unit 120.

In addition, the internal humidity sensor 112 refers to a conventional sensor for measuring humidity, and transmits the measured humidity information to the processor unit 120.

The external temperature sensor 113 and the external humidity sensor 114 refer to a temperature sensor and a humidity sensor installed to measure the temperature of the outside of the intelligent earth leakage breaker 100.

The external temperature sensor 113 is a conventional sensor for measuring the temperature and transmits the measured temperature information to the processor unit 120.

The external humidity sensor 114 is a conventional sensor for measuring humidity, and transmits the measured humidity information to the processor unit 120.

The current measurement sensor 115 transmits the leakage current information read by the current sensor 116 connected to the power source side of the earth leakage breaker to the processor unit 120.

However, the present invention is not limited to this, and it is also possible to use the internal and external environmental information (for example, temperature and humidity, as well as a leak detection sensor and a fire detection sensor) And the like.

3, the sensor unit 110 may include a temperature sensor and a humidity sensor as well as a water leakage sensor 118 and a fire alarm sensor 119. The sensor unit 110 may detect the environment information, 120).

The processor unit 120 of the present invention includes an information filter unit 121, a situation prediction detection module 122, a transport packet generation unit 123, and a received packet command interpretation unit 124.

The information filter unit 121 is an apparatus or means for removing noise of environment information (temperature information, humidity information) and leakage current information transmitted from the sensor unit 110. In this way, And sends the removed environment information (temperature information, humidity information) and leakage current information to the situation prediction detection module 122.

The above-described situation prediction detection module 122 means an apparatus or means in which a cause of a short-circuit is detected and a short-circuit pre-prediction is performed.

The situation prediction detection module 122 detects environmental information (temperature information and humidity information) transmitted from the sensor unit 110, leakage current information, battery voltage information for supplying power to the earth leakage breaker at the time of leakage, Based on the information such as information, the leakage current is detected and the leakage current is predicted in advance.

The Load current amount information is measured through the non-contact current sensor 117 connected to only one of the two lines on the power source side and transmitted to the situation prediction detection module 122 described above.

The battery voltage information for supplying power to the leakage current leakage circuit breaker acquired by the situation prediction detection module 122 is acquired on the basis of the voltage information transmitted from the battery unit 140. [

The situation prediction detection module 122 includes an information processing device such as a CPU and an MCU, or an information processing circuit, and may include hardware such as a memory and a program installed therein.

The present invention includes the following items to be grasped in the situation prediction detection module 122 in order to carry out the ground fault detection and the short earth fault pre-prediction in the occurrence of a short circuit.

As described above, the master intelligent earth leakage breaker 101 acquires and stores the grasp information in real time from one or more slave intelligent earth leakage breaker 100, and stores it in the T_ns (normal sample) period preset by the manager in advance Data is resampled at intervals of t_ns, and summary sensor information is sent to the central control server 200.

The transmission packet generation unit 123 of the present invention means an apparatus or means for performing a function of transmitting the summary sensor information acquired from the master intelligent earth leakage breaker 101 and the slave intelligent earth leakage breaker 100 to the central control server 200 do.

The transmission period for sending summary sensor information in the transmission packet generator 123 of the present invention is controlled by the situation prediction detection module 122. [

In the case where the temperature rise of the intelligent earth leakage breaker (100, 101) suddenly occurs, the situation prediction detection module (122) judges the situation to be grasped and transmits it to the central control server (200).

The detection condition of the sudden internal / external temperature rise of the intelligent earth leakage circuit breakers 100 and 101 is determined as an abnormal state (grasping target situation) when a predetermined amount of change per unit time (dTemp or more) or a change in temperature absolute amount (Temp or more) .

If the sudden change in humidity (including leakage) of the intelligent earth leakage breaker 100 or 101 is detected, the situation prediction detection module 122 determines that the situation is the target of detection and transmits it to the central control server 200 do.

The detection conditions of sudden internal and external humidity changes (including leakage) of the intelligent earth leakage circuit breakers 100 and 101 are determined based on the humidity change amount (dHum or more) or the humidity absolute amount change (Hum or more) Target situation).

In the case of the leakage, the leaked water can be detected as the information sensed by the leakage detection sensor 110-1 of the intelligent earth leakage breaker 100,

Generally, in case of leakage, the leakage circuit breaker is turned off, so that the leakage state can be detected by the ON / OFF state of the leakage circuit breaker (leakage when the leakage circuit breaker is OFF).

In addition, when the voltage of the power supply battery 140 of the intelligent circuit breaker 100 or 101 drops below the reference level, it can be grasped as an abnormal state (a state of grasp).

The detection condition can be grasped as a state (grasp target situation) when the preset reference voltage is lower than tV.

Further, in the present invention, when a short circuit condition of the intelligent earth leakage breaker 100 or 101 is detected, the situation prediction detection module 122 determines that the situation is the target of detection and transmits it to the central control server 200.

In the above-described short-circuited state, the permanent magnet 119 is attached to the lever of the existing earth leakage breaker 160 and the hole sensor 118 is attached to the adjacent position to detect the leakage of the lever due to the short circuit.

When the above-mentioned abnormal situation or a short-circuiting condition is detected, the above-described situation prediction detection module 122 transmits the entire information of the intelligent earth leakage breaker collected every T_es cycle as described above, and t_es And transmits more detailed and detailed information to the central control server 200 by resampling.

In the case of the master intelligent earth leakage circuit breaker 101, the information is transmitted to the central control server 200 through the wide area network (LTE communication). In the case of the slave intelligent earth leakage breaker 100, the information is transmitted through the non-wide area communication network (Zigbee) And the information is transmitted to the master intelligent earth leakage breaker 101 in real time.

In this case, the master intelligent earth leakage circuit breaker 101 and the slave intelligent earth leakage breaker 100 have unique information (an earth leakage breaker ID), and together with the unique information, .

The central control server 200 of the present invention receives the identification information transmitted from the master intelligent earth leakage breaker 101 and transmits the received data when the abnormal situation occurs Means a device or means that performs a function of determining whether or not to recover a short circuit by using a breaker ID and determining whether to process an article.

Therefore, the central control server 200 refers to an apparatus or means having a normal server function, and may include hardware such as an information processing device such as an MCU, a CPU, and an electronic circuit, a REM, a memory and a data structure, And an application program for making an information processing decision on the hardware is mounted.

In addition, the central control server 200 has a structure in which an administrator can manage information processing through a terminal.

The terminal described above refers to an apparatus or means that can connect to the central control server 200 by wire or wireless, such as a normal PC, a smart phone, a tablet PC, and a notepad.

The central control server 200 receives environment information (temperature information, humidity information) received from the master intelligent earth leakage circuit breaker 101, leakage current information, battery voltage information for supplying power to the leakage circuit breaker during a leak, Information is used to judge the occurrence of an abnormal situation (such as a short circuit or a short circuit), judge whether or not a short circuit is recovered, and judge whether or not an article is to be dispatched. Function.

The information processing determination such as determination of occurrence of the abnormal situation (short-circuit, short-circuit possible state), determination of whether or not the short-circuit is recovered, and determination of whether the article is dispatched can be implemented by an application program installed in the central control server 200.

The determination of the occurrence of the abnormal condition (the short circuit or the short circuit possible condition) is based on the environmental information (temperature information, humidity information) cumulatively transmitted from the master intelligent earth leakage breaker 101, the leakage current information, If the average data of accumulated information such as battery voltage information and load current information to be supplied are extracted and the error range is preset in the average data and the error range is exceeded, it is judged that an abnormal situation occurs can do.

Of course, the determination of the occurrence of the abnormal condition (leakage or short-circuit possible) may be made based on, for example, leakage current information, battery voltage information for supplying power to the leakage circuit breaker during leakage, load current amount information, The application program can be used to determine the occurrence of an abnormal situation (short-circuit, short-circuit possible).

The present invention allows the administrator to determine whether or not the intelligent earth leakage breaker ID corresponding to the occurrence of an abnormal situation (a short circuit or a short circuit possible state) occurs in the central control server 200, It is possible to do.

In the case where the intelligent earth leakage circuit breaker determines that an abnormal situation occurs (a short circuit or a short circuit is possible) in the above-described central control server 200 according to the present invention, a short circuit recovery command is sent, The received packet command interpreter 124 drives the servo motor 150 module with an arm 151 in the case of a power recovery command so as to raise the electric leakage breaker lever, .

The received packet command analyzing unit 124 of the present invention means an apparatus or means for receiving a command transmitted from the central control server 200 and driving the servo motor unit.

The present invention provides an intelligent power shutdown system having remote data collection and control functions of the above-described configuration and functions.

INDUSTRIAL APPLICABILITY The present invention is a very useful invention in an industry for producing, selling, distributing and researching an apparatus related to an earth leakage breaker.

The sensor unit 110, the processor unit 120, the communication unit 130, the battery unit 140, the servo motor unit 150, the earth leakage blocking unit 160,
An internal temperature sensor 111, an internal humidity sensor 112, an external temperature sensor 113, an external humidity sensor 114, a current measurement sensor 115, an optional leak detection sensor 118, a fire monitoring sensor 119, ,
The master intelligent earth leakage breaker 101, the slave intelligent earth leakage breaker 100,
An intelligent short circuit protection unit 300, a central control server 200,

Claims (4)

A sensor unit 110, a processor unit 120, a communication unit 130, a battery unit 140, a servo motor unit 150, and an electric leakage cutoff unit 160,
The sensor unit 110 includes an internal temperature sensor 111, an internal humidity sensor 112, an external temperature sensor 113, an external humidity sensor 114, and a current measurement sensor 115,
The processor unit 120 includes an information filter unit 121, a situation prediction detection module 122, a transport packet generation unit 123, and a received packet command analysis unit 124,
The information filter unit 121 may transmit the environmental information (temperature information, humidity information) and leakage current information transmitted from the sensor unit 110 to the situation prediction detection module 122,
The situation prediction detection module 122 compares environment information (temperature information, humidity information), leakage current information, and battery voltage information and Load current amount information for supplying power to the earth leakage breaker at the time of leakage, Based on the predicted short-circuit state,
In the determination of the short circuit possibility condition, average data of accumulated information on the received environmental information (temperature information, humidity information), leakage current information, battery voltage information for supplying power to the leakage circuit breaker in case of a short circuit, When the error range is set in advance in the average data and the error range is exceeded,
The transmission packet generating unit 123 performs a function of transmitting the summary sensor information acquired from the master intelligent earth leakage breaker 101 and the slave intelligent earth leakage breaker 100 to the central control server 200,
Wherein the received packet command analyzing unit (124) drives the servo motor (150) module with an arm (151) in case of a power recovery command to raise the electric leakage breaker lever to restore power.
The method according to claim 1,
And a leakage detection sensor (118) or a fire monitoring sensor (119).
An intelligent power shutdown system having a remote data collection and control function including an intelligent earth leakage blocking unit (300) including the intelligent earth leakage breaker (100) of claim 1 or 2 and a central control server (200).
The method of claim 3,
The intelligent earth leakage breaker (100) included in the intelligent earth leakage blocking unit (300) comprises a master intelligent earth leakage breaker (101) and one or more slave intelligent earth leakage breaker (100) And an intelligent power shut-off system.

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