KR20080100715A - Intelligent power protection system - Google Patents

Abstract

An intelligence electricity protective gear protecting the electric power source system of the load installation like the power supply unit for the digital device is provided to reduce the unnecessary human factor of the managing personnel and the material factor of waste and to enhance the management efficiency including the digital communications equipment etc. by providing the method for remote controlling unitively a plurality of intelligence electricity protective gear. An intelligence electricity protective gear comprises the followings: the surge protection unit(400) which discharges the brain surge to the ground in case the induced lightning due to the lightning stroke is flowed in the common electricity supplied to the power supply unit(20); the surge protection part blocking the residual brain surge passing through the surge protection unit(100); the surge counter section passing measuring the size of the surge current flowing toward the ground(500) through the surge protection unit; the high frequency filter part filtering the high frequency included in the common electricity passing through the surge protection part(200); the intelligent auto recovery electric leakage interception part(300) On/OFF the supply of the common electricity by watching the leak / excess current / low voltage of the use power source of the common electricity and load terminal(30) passing through the high frequency filter part.

Description

Intelligent power protection system

1 is a circuit diagram of an intelligent power protection device according to the present invention.

Figure 2 is a schematic diagram showing an application example of a power protection system using an intelligent power protection device according to the present invention.

3 is a block diagram of an intelligent automatic recovery earth leakage breaker constituting the intelligent power protection device according to the present invention.

4 is a block diagram of a surge counter unit constituting an intelligent power protection device according to the present invention.

*** Explanation of symbols for main parts of drawing ***

10: intelligent power protection device 20: power supply means

30: load stage 50: integrated operation server

60: repeater 70: network

100: multi-shield lightning protection unit 200: high frequency filter unit

300: intelligent automatic recovery earth leakage breaker 301: power supply control unit

302: voltage / current detector 303: first operation processor

304: overcurrent / leakage current detection unit 305: first data communication unit

400: surge protection unit 500: surge counter

501: surge measurement unit 502: LCD display unit

503: second operation processing unit 504: counter adjustment button

505: second data communication unit 600: grounding unit

The present invention relates to an intelligent power protection device, and more particularly, to an intelligent power protection device for protecting a power system of a digital device such as various communication equipment and a power system of such a load facility and supplying stable power. will be.

In general, in order to stably supply power supplied from a power supply source to a load stage, various types of power protection devices are provided.

However, the conventional power protection device is not intelligent because it is not managed automatically or integrated.

Therefore, the monitoring and operation of each individual equipment is not done systematically by a certain principle or standard, but by manual and arbitrary judgment of management personnel, which is the most important power supply system in the operation of digital equipment such as communication equipment. Protection and operation of the system is not working well.

On the other hand, recent digital communication equipments require more stable power supply than conventional analog devices, and lightning surge, overcurrent, leakage current, input voltage drop, and switch operation are caused by lightning. Due to the weakness of resistance to surge voltage due to the weakness, the existing power supply protection device is insufficient to adequately protect the power supply system for digital communication equipment.

 Accordingly, the present invention has been made to solve these problems, the purpose of which is to intelligent and multi-purpose to ensure that the protection and operation of the most important power supply system in the operation of digital devices, such as communication equipment can be made smoothly The present invention provides an intelligent power protection device for constructing a remote monitoring and remote control system applying power protection device configuration and data communication.

In addition, another object of the present invention is to stabilize the power supply system, such as digital devices, to enhance the protection function, to enhance the performance of the management to intelligentize the protection of each individual power system and to integrate the individual power system protection through the data communication network It provides an intelligent power protection device that can be managed to enable standardized management principles and efficient control.

The present invention for achieving the above object;

A surge protection unit for discharging the lightning surge to the ground unit when an induced lightning strike due to lightning strikes the commercial power supplied from the power supply unit; Lightning protection unit for blocking the remaining brain surge through the surge protection unit; A surge counter unit for measuring the magnitude of the surge current flowing through the surge protection unit to the ground unit; A high frequency filter unit for filtering high frequencies included in the commercial power supply through the lightning protection unit; It is characterized by consisting of; intelligent automatic recovery earth leakage cut-off unit for monitoring the leakage current / over current / low voltage of the commercial power supply and the power supply used through the high frequency filter unit to turn on / off the supply of commercial power.

In this case, the intelligent automatic recovery earth leakage breaker; A voltage / current detector for measuring the voltage and current of the commercial power supply passing through the high frequency filter unit, an overcurrent / leakage current detector for detecting the overcurrent and the leakage current of the power supply used by the load stage, and the voltage / current detector and the overcurrent / leakage current And a first operation processing unit for comparing and calculating data measured by the detection unit, and a power supply control unit for inputting and blocking commercial power supplied to the load terminal by receiving a control signal from the first operation processing unit.

In addition, the intelligent automatic recovery earth leakage breaker; After the commercial power is cut off through the power supply control part by analyzing the short circuit occurrence / over current (short) occurrence / low voltage occurrence in the first calculation processor, the first calculation processor receives a minute current at a predetermined number of time periods from the power supply. It flows to the bottom to verify the circuit of the load stage, and when the integrity of the circuit of the load stage is confirmed, it is characterized in that the commercial power supply immediately.

The apparatus may further include a first data communication unit configured to transmit data measured by the voltage / current detector and the overcurrent / leakage current detector, and a control signal of the power supply control unit to an integrated operation server, and the measurement transmitted through the first data communication unit. The data is transmitted to the integrated operation server through a repeater and a network, and the first data communication unit receives a control signal for controlling the power supply controller from the integrated operation server.

On the other hand, the surge counter unit is a surge measuring unit for measuring the surge current value passing through the surge protection unit, a second operation processing unit for calculating the surge current information measured by the surge measurement unit, and the surge calculated by the second operation processing unit Characterized in that the LCD display for displaying the current information.

The apparatus may further include a second data communication unit configured to transmit the surge current information processed by the second operation processor to an integrated operation server, and the measurement data transmitted through the second data communication unit may be transmitted through a repeater and a network. Characterized in that the transmission to the integrated operation server.

With reference to the accompanying drawings, an intelligent power protection device according to the present invention will be understood by the embodiments described in detail below.

At this time, Figure 1 is a circuit diagram of an intelligent power protection device according to the present invention, Figure 2 is a schematic diagram showing an application example of a power protection system using an intelligent power protection device according to the present invention, Figure 3 4 is a configuration diagram of an intelligent automatic recovery earth leakage breaker constituting the intelligent power protection device according to the present invention, and FIG. 4 is a configuration diagram of a surge counter unit configuring the intelligent power protection device according to the present invention.

First, according to FIG. 1, the intelligent power protection device 10 according to the present invention is a multi-shielding lightning shield of the multi-shielding method to block the brain surge flows into the power introduced from the power supply means 20 for supplying commercial power The surge protection unit 400 and the surge protection unit 400 for discharging the induced lightning due to lightning from the commercial power supplied from the power supply means 20 to the ground unit 600 which is the earth ground, and the surge protection unit ( Surge counter 500 for measuring the magnitude of the surge (serge) flowing through the 400 to the ground unit 600, and issues a recording and alarm, and the commercial power supplied from the power supply means 20 The high frequency filter unit 200 filtering the high frequency and the short circuit, overcurrent, low voltage, etc. of the used power of the load stage 30 are monitored, and on / off supply of commercial power supplied to the load stage 30 under remote control. Intelligent automatic recovery earth leakage cut-off unit 300 (ON / OFF) It is made.

The intelligent power protection device 10 according to the present invention having such a configuration includes a surge counter part 500 and an intelligent automatic recovery earth leakage blocking unit 300 constituting the intelligent power protection device 10 as shown in FIG. 2. In order to monitor the operation of a plurality of intelligent power protection device 10 by transmitting the control and monitoring data to the integrated operation server (50).

In this case, the intelligent power protection device 10 is a data to ensure that the signal transmitted from the intelligent power protection device 10 is transmitted in a stable state size to transmit data to the integrated operating server 50 located at a long distance. It is transmitted via the repeater 60 which is a communication repeater.

Of course, the repeater 60 is installed and operated in a one-to-one match with the intelligent power protection device 10, the digital surveillance data transmitted through the repeater 60 is finally integrated through the network 70 operation server Transmitted to 50, it is possible to integrally monitor and manage the information on the monitoring and control status of each intelligent power protection device (10).

On the other hand, the integrated operation server 50 not only receives, monitors and manages data such as voltage, current, overcurrent, short circuit, low voltage generation of commercial power measured by the intelligent power protection device 10, but also remotely commercially. It is also preferable to perform ON / OFF (by-pass) control of the power supply.

Hereinafter, each component of the intelligent power protection device according to the present invention will be described in more detail.

Surge introduced into the commercial power supplied from the power supply means 20 is discharged to the protective ground part 600 through the surge protection part 400, and the residual brain surge voltage and current in the multi-shield lightning protection part 100 Is prevented in triplicate by the multiple shielding film.

As such, the commercial power in the state where the residual brain surge voltage and current are removed passes through the high frequency filter unit 200. The high frequency filter unit 200 discharges electromagnetic wave noise of the commercial power introduced to the ground to load the load stage 30. This prevents malfunction of the equipment on the side.

In addition, the surge protection unit 400 discharges the lightning surge voltage and current to the ground unit 600 when an induced lightning due to a lightning strike flows into the commercial power input side.

On the other hand, the intelligent automatic recovery earth leakage breaker 300 continuously measures the voltage and current with respect to the incoming commercial power supply, and if the overcurrent, leakage, low voltage of the load stage 30 is measured in an abnormal state, the load stage Immediately shut off the commercial power supplied to (30), and in particular, when there is no abnormality after inspecting the circuit by injecting a weak current into the load stage 30 for a specified inspection time and a specified number of times when an overcurrent or a short circuit occurs. It will be automatically restored by input.

The intelligent automatic recovery earth leakage breaker 300 is a voltage / current detection unit 302 for measuring the voltage and current of the commercial power when the commercial power is passed through the high frequency filter unit 200 as shown in FIG. And the data measured by the overcurrent / leakage current detector 304 for detecting the overcurrent and the leakage current of the power supply used by the load stage 30 and the voltage / current detector 302 and the overcurrent / leakage current detector 304. The first operation processing unit 303 and the commercial power supplied to the load stage 30 by receiving a control signal from the first operation processing unit 303 to analyze by calculating the short circuit occurrence / over current (short) generation / low voltage generation An integrated operation server 50 that integrates and cuts off the power supply control unit 301, the data measured by the voltage / current detection unit 302 and the overcurrent / leakage current detection unit 304, and the control signals of the power supply control unit 301. Consisting of a first data communication unit 305 to transmit .

Accordingly, the voltage and current values of the commercial power measured by the voltage / current detector 302 are transmitted to the first operation processor 303 and transmitted to the integrated operation server 50 through the first data communication unit 305. do.

The overcurrent / leakage current detection unit 304 detects the overcurrent and the leakage current of the power supply used by the load terminal 30 and transmits the result to the first operation processing unit 303 to provide the voltage / current detection unit 302. Comparing with the voltage and current value measured by the instructing operation to the power supply control unit 301.

At this time, the power supply control unit 301 is composed of a semiconductor device does not generate a spark (SPARK) when turned on / off (ON / OFF) has the advantage that can be used safely in the field with flammable gas.

On the other hand, when the supply of commercial power to the load stage 30 is interrupted by the first operation processor 303 due to overcurrent, leakage, low voltage, etc., the first operation processor 303 supplies the load stage 30 with the set time and number of times. When there is no abnormality in the test, the commercial power is supplied to the load stage 30 by controlling and restoring the power supply control unit 301.

In addition, the data monitored and controlled by the first operation processor 303 through the first data communication unit 305 is transmitted to the integrated operation server 50 and transmitted to the operator side, and the operator has a measurement area in a specific region. Alternatively, it is possible to determine whether to recover the intelligent power protection device 10 according to the present invention installed in a device such as a specific digital device, and set a predetermined recovery condition to the first operation processing unit 303 so as to operate automatically. Operation is also possible.

In addition, the surge counter 500 includes a surge history such as the magnitude of an external surge current measured in real time, a surge application time (for example, year / month / day / hour / minute / second), and the number of times of surge application. Create and store data.

As shown in FIG. 4, the surge counter 500 includes a surge measurement unit 501 for measuring a surge current value passing through the surge protection unit 400, and a surge current measured by the surge measurement unit 501. The second operation processing unit 503 for calculating surge current information such as the size, occurrence time, and the number of occurrences, and the size, occurrence time, and number of occurrences of the surge generation information in the second operation processing unit 503. In the LCD display unit 502 for displaying the surge current information that has been recorded and processed on the display, a counter adjustment button 504 for adjusting the display mode of the LCD display unit 502, and the second operation processor 503. The second data communication unit 505 is configured to transmit the calculated surge current information to the integrated operation server 50.

Therefore, the second operation processor 503 records the magnitude of the surge current, the time of occurrence, and the number of occurrences of the surge current, and transmits the record to the integrated operation server 50 through the second data communication unit 505.

Hereinafter, an operation process of the intelligent power protection device 10 according to the present invention will be described in detail with reference to FIGS. 1 to 4.

The intelligent power protection device 10 according to the present invention is installed between the power supply means 20 and the load end 30 to be installed and operated at a power input terminal, especially a digital device, the repeater 60 and the like. Through the monitoring data transmission to the integrated operation server 50 or receives a control signal.

That is, the intelligent power protection device 10 surges the brain to the grounding part 600 through the surge protection part 400 when induction lightning or the like occurs due to lightning when commercial power is turned on in the power supply means 20. In this way, the surge is measured and recorded by the surge counter part 500 at the time of discharge.

In this case, the surge counter unit 500 generates surge current information on the surge history such as the magnitude of the external surge current measured in real time, the surge application time, the number of surges applied, and the like. It is transmitted to the integrated operation server 50 through. At this time, the information of the second data communication unit 505 is transmitted to the integrated management server 50 via the network 70 through the repeater 60 which is a data communication repeater and is integratedly managed by the integrated management server 50.

On the other hand, the commercial power in the state where the surge protection is first removed from the surge protection unit 400 is the high-frequency filter unit 200 in a state in which the residual surge voltage and current is removed from the multi-shield lightning protection unit 100 As it goes through, it filters the high frequencies included in commercial power.

The commercial power passing through the high frequency filter unit 200 supplies the commercial power to the load terminal 30 via the intelligent automatic recovery earth leakage blocking unit 300.

At this time, the intelligent automatic recovery earth leakage cut-off unit 300 measures the voltage and current of the commercial power supplied from the surge protection unit 400 with the voltage / current detection unit 302, the over current / leakage current detection unit 304 The overcurrent and the leakage current of the load-side used power source to be measured are processed by the first arithmetic processing unit 303 and transmitted to the integrated operation server 50.

On the other hand, the first operation processing unit 303 is a power supply control unit in the event of normal or abnormal based on the overcurrent, leakage current, low voltage data measured by the voltage / current detection unit 302 and the overcurrent / leakage current detection unit 304 The control signal is applied to the 301 to control the operation of turning on and off the commercial power.

Then, once the used power input to the load stage 30 is cut off due to overcurrent, short circuit, low voltage, etc., the first operation processor 303 inputs a weak current for a set time and number of times, and performs a test. If there is no abnormality, a control signal is applied to the power supply control unit 301 to restore the circuit of the load stage 30 to supply commercial power.

On the other hand, the overcurrent, leakage current, low voltage information and the control information applied to the power supply control unit 301 measured by the first operation processing unit 303 of the intelligent automatic recovery earth leakage blocking unit 300 is the first data communication unit 305. It is transmitted to the integrated operation server 50 through the operator, the operator can determine whether to recover the intelligent power protection device 10 and the power system according to the present invention, the first operation to determine the predetermined recovery conditions It can be stored in the processing unit 303 and can be operated for automatic operation.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited thereto, and the scope of the present invention extends to the scope of the present invention to be substantially equivalent to the embodiment of the present invention. Various modifications can be made by those skilled in the art without departing from the scope of the present invention.

As described above, according to the present invention, it is possible to automate the work performed by the on-site dispatch of the operation and maintenance personnel of the existing direct operation personnel, and in particular, to induce a stable supply of power when the load stage is made of important digital communication equipment. There is an advantage.

In addition, by providing a method for integrated remote management of a number of intelligent power protection devices using the integrated operation server, there is an effect of reducing unnecessary human and material waste factors of the operation personnel and increase the operational efficiency of digital communication equipment.

Claims (9)

A surge protection unit for discharging the lightning surge to the ground unit when an induced lightning strike due to lightning strikes the commercial power supplied from the power supply unit; Lightning protection unit for blocking the remaining brain surge through the surge protection unit; A surge counter unit for measuring the magnitude of the surge current flowing through the surge protection unit to the ground unit; A high frequency filter unit for filtering high frequencies included in the commercial power supply through the lightning protection unit; Intelligent automatic recovery earth leakage blocking unit for monitoring the leakage current / over current / low voltage of the commercial power supply and the power supply used in the load stage through the high-frequency filter unit on / off the supply of commercial power. The method of claim 1, The intelligent automatic recovery earth leakage breaker; A voltage / current detector for measuring the voltage and current of the commercial power supply passing through the high frequency filter unit, an overcurrent / leakage current detector for detecting the overcurrent and the leakage current of the power supply used by the load stage, and the voltage / current detector and the overcurrent / leakage current Intelligent power supply comprising a first operation processing unit for comparing and calculating the data measured by the detection unit, and a power supply control unit for inputting and blocking commercial power supplied to the load terminal by receiving a control signal from the first operation processing unit Protection. The method of claim 2, The intelligent automatic recovery earth leakage breaker; After the commercial power is cut off through the power supply control part by analyzing the short circuit occurrence / over current (short) occurrence / low voltage occurrence in the first calculation processor, the first calculation processor receives a minute current at a predetermined number of time periods from the power supply. Intelligent power protection device, characterized in that flows to the bottom to verify the circuit of the load stage and to supply commercial power immediately when the integrity of the circuit of the load stage is confirmed. The method of claim 3, wherein And a first data communication unit configured to transmit data measured by the voltage / current detector and the overcurrent / leakage current detector, and a control signal of the power supply controller to an integrated operation server. The method of claim 4, wherein Intelligent power protection device, characterized in that the measurement data transmitted through the first data communication unit is transmitted to the integrated operation server through a repeater and a network. The method of claim 4, wherein And the first data communication unit receives a control signal for controlling the power supply control unit from the integrated operation server. The method of claim 1, The surge counter unit includes a surge measurement unit for measuring a surge current value passing through the surge protection unit, a second operation processor for calculating the surge current information measured by the surge measurement unit, and surge current information computed by the second operation processor. Intelligent power protection device, characterized in that consisting of an LCD display to display. The method of claim 7, wherein And a second data communication unit configured to transmit the surge current information calculated by the second operation processor to an integrated operation server. The method of claim 8, And the measurement data transmitted through the second data communication unit is transmitted to the integrated operation server through a repeater and a network.

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