KR20120027913A - A active distributing board and method for diagnosing the same - Google Patents

Abstract

PURPOSE: An active distribution board and a diagnosing method thereof are provided to display the condition state of a distribution board in an LED by using a unique algorithm index(synthesis quality). CONSTITUTION: A distribution board has first to fourth space parts divided into a top and bottom space and a front and rear space. A distribution board body(110) includes a door(115) formed in either a front or a rear side. An automatic switch in a faulty section is formed in the first space part. A transformer is formed in the second space part. A power off controller includes a main circuit breaker and a distribution circuit breaker A power fuse and a lightning arrester are formed on a top part of the fourth space part. A potential transformer is formed in a lower part of the lightning arrester and the power fuse. An exponential algorithm part is placed on a fixed position inside the distribution panel body. A signal transforming part changes various information obtained from the exponential algorithm part into an analog signal. A display part(230) selectively emits the colors of RGB(Red,Green,Blue) according to information transformed from the signal transforming part.

Description

Breathing switchboard and diagnosis method {a active distributing board and method for diagnosing the same}

The present invention relates to a switchgear, and more particularly, to a breathing switchgear and a diagnostic method thereof so that the state of the switchgear can be easily grasped at night.

In general, the switchgear is a power supply device that converts extra high pressure to low pressure and supplies power for apartments, buildings, schools, factories, ports, etc., and usually has a capacity of about 100 ~ 2000kW.

Most switchgear equipment includes a transformer, an optimal operation controller and a power monitoring controller of the transformer, and is made of a high and low pressure unit of a single enclosure having a multilayer structure to block external moisture or foreign substances and to facilitate construction. do.

1 is an external view showing a general switchgear.

As shown in FIG. 1, a general switchgear includes an enclosure base 10, a pair of doors 12 provided with a viewing window 11 for viewing the inside of the enclosure base 10, and the enclosure base 10. It is configured on the bottom of the forklift is configured to include an insertion hole 13 is inserted into the foot.

The power monitoring controller installed inside the switchgear configured as described above processes the sensing values of the temperature sensor and the current voltage sensor to extract information such as operating temperature, load rate, phase loss, power factor, harmonic rate, and unbalance rate of the high voltage transformer. The administrator is informed via an LCD display mounted on the power monitoring controller.

That is, in the switchgear according to the prior art, the voltage, current, power amount, power factor, and the like are collected and analyzed through a digital instrument, and the load ratio thereof is displayed, and the value can be known only by approaching the limit of the digital display window size.

Therefore, when using an analog instrument in a switchgear according to the prior art, voltage, current, power factor, power, etc. are shown through the instrument, but the value can only be known when approaching.

The present invention is to solve the above problems by using a unique algorithm index (composite quality) to indicate the condition of the switchboard by the LED to be visible at night from the outside of the switchboard easily so that you can easily know the condition of the switchboard from a distance The purpose is to provide a breathing switchgear and a diagnostic method thereof.

Breathing switchgear according to the present invention for achieving the above object is a switchboard body installed on the ground and having an internal space, the door is configured to open and close the side of the switchboard body, and various kinds installed inside the switchboard body An electrical device and a predetermined position inside the switchboard body have an exponential algorithm for obtaining information such as internal fire index, power condition, output attenuation and line quality, and converts various information obtained from the exponent algorithm into an analog signal. And a display unit configured on a signal converting unit and an outer surface of the switchboard body to selectively emit colors of R, G, and B according to information converted from the signal converting unit.

In addition, the diagnostic method of the breathing switchgear according to the present invention for achieving the above object comprises the steps of obtaining information such as fire index, power condition, output attenuation and line quality inside the switchboard; Converting the obtained various information into an analog signal; And comparing the converted value of the analog signal with a reference value and selectively emitting the colors of R, G, and B according to the comparison result.

Breathing switchgear according to the present invention and its diagnostic method has the following effects.

That is, the condition of the switchboard can be easily identified from a distance by displaying the condition of the switchboard with LEDs so that the condition of the switchboard can be easily seen at night or at a distance from the outside of the switchboard.

1 is an external view showing a general switchgear
Figure 2 is a perspective view showing a breathing switchboard according to the present invention
Figure 3 is a schematic diagram showing the internal configuration of the breathing switchgear according to the present invention
Figure 4 is a block diagram schematically showing a breathing switchgear according to the present invention
5 to 9 are screens showing the integrated quality index, fire index, power condition index, power attenuation index and line quality index in the display panel in the breathing switchgear according to the present invention, respectively
10 is a flow chart showing a method for diagnosing breathing switchgear according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail the breathing switchgear and the diagnostic method according to the present invention.

Figure 2 is a perspective view showing a breathing switchgear according to the present invention, Figure 3 is a schematic diagram showing the internal configuration of the breathing switchgear according to the present invention.

As shown in FIG. 2 and FIG. 3, the breathing switchboard 100 according to the present invention includes first and second spaces divided into upper and lower spaces. A switchboard body (110) having a fourth space portion (111? 114), and having doors (115, 116) formed at both front and rear sides thereof, a failure section automatic switch (120) formed at the first space portion (111), and A power cut-off control unit 140 having a transformer 130 formed in the second space part 112, a parking short circuit 141 and a wiring breaker 142 formed on the front of the third space part 113, and the first 4 is composed of a power fuse 150 formed in the upper portion of the 114 and the arrester 160 and the instrument transformer 170 formed in the lower portion.

Supporting the switchboard body 110 has a base plate 118 that is seated on the ground, the door is configured on one side of the high-pressure chamber and low-pressure chamber doors 115,116 formed in the switchboard body 110 is a high pressure of the two-door opening and closing type The door which is a seal door 115 and the other side is the low pressure chamber door 116.

 The high pressure chamber door 115 and the low pressure chamber door 116 are each provided with a see-through window 161 for internal viewing, and an internal fire index inside the switchboard body 110 to correspond to the see-through window 161. The display unit 119 is configured to obtain information such as power condition, output attenuation, and line quality.

A lower portion of the base plate 118 is formed with a predetermined size and includes a forklift insertion hole 181 into which the foot of the forklift is inserted.

The first and second space parts 111 and 112 and the third space part 113 are divided into partition walls 117 having a predetermined thickness so as to distinguish between the high pressure side and the low pressure side. It is formed to reduce noise.

In addition, the input side of the failure section automatic switchgear 120 through the insulating connecting member 190 and the fixing member 191 formed in the upper portion of the switchboard body 110 from the inlet 110a formed at the front lower side of the switchboard body 110. It is connected to the terminal.

In addition, a connection cable is connected to an output side terminal of the failure section automatic switch 120 through a lightning arrester 160, a current-limiting power fuse 150, and a transformer transformer current transformer. Is installed to be applied.

In addition, the flexible bus bar 131 is installed on the low pressure side of the transformer 130 so as to be connected to the parking terminal 140 to drop the special high voltage electricity applied from the KEPCO side.

In a predetermined position inside the switchboard body 110, an index algorithm unit 210 and various information obtained from the index algorithm unit 210 for obtaining information such as an internal fire index, power condition, output attenuation, and line quality are analogized. Signal conversion unit 220 for converting the signal is configured, the outer surface of the switchboard body 110 for selectively emitting the colors of R, G, B according to the information converted from the signal conversion unit 220 The display unit 230 is configured.

Here, the fire index refers to a factor that can cause a fire that can occur in the switchgear, it is expressed in%, the fire index factors such as transformer temperature, phase loss, overcurrent, load rate, leakage current, junction temperature, overvoltage, etc. The mean value is divided by 7 and the average value is lower.

The power condition refers to the quality of the power, and is expressed in%, and the factors that improve the quality of the power are 7 which are added by exponentially calculating voltage, overcurrent, frequency, power factor, load factor, unbalance factor, and distortion factor. It is the average value divided by, and the higher the average value is, the better.

The output attenuation refers to the output of the transformer, and is expressed in%. Factors that improve the output of the transformer include exponentially adding efficiency, power factor, TR loss rate, load unbalance, distortion, voltage, and TR temperature. The average value divided by eight is the higher the average value is better.

The line quality refers to the quality of the power coming from the output of the transformer, and is expressed in%, and factors such as SADI, Sag, Sell, power factor, voltage fluctuation rate, distortion rate, and load unbalance rate are indexed. The mean value is divided by seven and the average value is higher.

This unique algorithm (general quality) is a product made by our technicians, and it is the world's first technology, which simply compresses and converts it into a single signal so that it can be seen as LED lighting on the outside of the switchboard. Says technology.

Here, the display unit 119 formed corresponding to the see-through window 119 includes a multi-element measurement including voltage, current, and power, a control function using input and output contacts, an alarm function, a voltage, current waveform measurement function, and a harmonic calculation function. An intelligent digital power measurement controller with multiple touch screen output screens with incident waveform measurement functions is constructed.

Digital graphic board with screen operation function, data measurement function, information integration function, monitoring function, operation function, unattended operation function, information storage function, alarm information storage function, web based power monitoring service using the digital power measurement controller Wireless data transmission device for the device, a speaker for outputting the operation state of the digital graphics board-based switchgear system as a voice signal, the screen touch type image for outputting the operation state of the digital graphics board-based switchgear system as an image signal There is a storage space to store the history information of the transformer including output means, internal and external monitoring function of the switchgear system, accessor shooting function, notification function, equipment capacity, contract power, wiring method, insulation material type and line voltage. Each is composed.

In addition, a QR code (not shown) may be attached to an outer surface of the switchboard body 110, and the QR code may be photographed using a smartphone to automatically access the corresponding site to obtain various information.

Figure 4 is a block diagram schematically showing a breathing switchgear according to the present invention.

As shown in FIG. 4, an exponential algorithm 210 for obtaining information such as a fire index, power condition, output attenuation, and line quality in the switchboard, and digital signals, which are various pieces of information obtained from the exponent algorithm 210, are obtained. Is converted into an analog signal, and a display unit 230 that emits the colors of R, G, and B according to the information converted from the signal converter 220.

Here, the value converted into the analogue signal is an index value and includes a comprehensive quality index, a fire index, a power condition, an output attenuation index, and a switchboard line quality index.

In this case, the display unit 230 displays one of red, green, and blue colors according to the information of the signal converter 220, and is converted into an analog value according to the information of the signal converter 220. If the value is larger than the preset reference value, the red light is emitted; if the value is within the reference value, the light is emitted green; if the value is smaller than the reference value, the light is emitted from the outside of the display unit 230 while emitting blue light. You can check the status of the switchboard.

For example, the display unit 230 is configured on the outer surface of the upper end of the switchboard body and emits red when the index value according to the information obtained from the index algorithm unit 210 is 70 or more, and green and less than 40 to 70. If it is less than 40, it can emit blue, and the status of the switchboard can be determined by the color emitted even in a distant manager or a dark environment.

5 to 9 are screens showing a composite quality index, a fire index, a power condition index, an output attenuation index, and a line quality index in a breathing switchgear according to the present invention, respectively.

As shown in Figs. 5 to 9, a button selected from among buttons for selecting a plurality of indices (for example, comprehensive quality, fire index, power condition, output attenuation, SSP line) on one side of the screen. It shows the comprehensive status of the corresponding item, shows the multiple indexes on the other side, and the menu shows the sub-index of the selected item when each index is selected.

Data can be viewed in detail when an item whose borders are displayed in blue is selected. The exponent is calculated by a predetermined algorithm and is expressed by a minimum value of 0 and a maximum value of 100.

In addition, each index value is expressed in%, and when each screen is touched, a desired screen can be viewed.

10 is a flow chart illustrating a method for diagnosing breathing switchboard according to the present invention.

In the diagnostic method of the breathing switchboard according to the present invention, as shown in FIG. 10, information such as fire index, power condition, output attenuation, and line quality inside the switchboard are obtained (S201).

Subsequently, the digital signal which is the obtained various information is converted into an analog signal (S220).

In addition, the color values of R, G, and B are selectively emitted according to the comparison result by comparing the value converted into the analog signal and the reference value (S230).

Here, the value converted into the analog signal is an index value, and includes a comprehensive quality index, a fire index, a power condition, an output attenuation index, and a switchboard line quality index.

In addition, any one of red, green, and blue colors is displayed according to the comparison result. When the value converted into the analog value is larger than a preset reference value, the red light is emitted and the color value is within the range of the reference value. In the case of less than the reference value, the green light is emitted, while the blue light is emitted and the color emitted from the outside can be checked to determine whether the switchboard is abnormal.

On the other hand, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the technical spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

210: exponential algorithm 220: signal converter
230: display unit

Claims (5)

A switchboard body installed on the ground and having an internal space;
A door configured to open and close at a side of the switchboard body,
Various electrical devices installed inside the switchboard body;
The predetermined position inside the switchboard body has an exponential algorithm for obtaining information such as an internal fire index, power condition, output attenuation, and line quality;
A signal converter for converting various types of information obtained from the exponential algorithm into an analog signal,
And a display unit configured on an outer surface of the switchboard body to selectively emit colors of R, G, and B according to information converted from the signal converter. According to claim 1, wherein each of the doors are configured for see-through windows, and corresponding to the see-through window inside the switchboard body to obtain information such as internal fire index, power condition, output attenuation and line quality Breathing switchgear characterized in that the display unit is configured. The breathing switchboard according to claim 1, wherein the display unit is configured at an upper end of the switchboard body in which the door is formed. The breathing switchgear of claim 1, further comprising a QR code attached to an outer surface of the switchboard body. Obtaining information such as a fire index, power condition, output attenuation, and line quality inside the switchboard;
Converting the obtained various information into an analog signal;
And comparing the converted value of the analog signal with a reference value and selectively emitting the colors of R, G, and B according to a comparison result.

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