KR20180086554A - Control system of distributing board - Google Patents

Abstract

The present invention relates to a control system for a distribution board, wherein electric wiring to an operation button and a display lamp installed on an opening/closing door of a distribution board are omitted, thereby simplifying electric wiring, and data path between a transmission unit and a reception unit is configured to be set in controlling the on/off of load imposed by a motor, thereby enhancing operation reliability. For the purpose, an electromagnetic switch for controlling load power such as a motor is disposed inside a distribution board; an operation button and a display lamp are arranged on the opening/closing door of the distribution board in order to turn the electromagnetic switch on or off outside and check if the same operates; a transmission unit is installed on the inside of the opening/closing door of the distribution board to output an IR control signal according to the on/off of the operation button, so that electric wiring among the electromagnetic switch, the operation button, and the display lamp can be omitted; and a reception unit is installed inside the distribution board by corresponding to the transmission unit to receive the IR control signal sent by the transmission unit to turn the electromagnetic switch on or off.

Description

[0001] Control system of distributing board [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control system for a switchboard, and more particularly,

By eliminating the line, it is possible to simplify the electrical wiring of the switchboard and to set the data path between the transmitter and the receiver in the on / off control of the load

Thereby improving the reliability of operation of the switchboard.

Fig. 1 shows a general motor control circuit. As shown in Fig. 1, the power supply is operated by operating the circuit breaker 1

The electromagnetic contactor 3 is energized to close the main contact 3 'so that the electric power is supplied to the motor 4

.

The above-mentioned motor control circuit is implemented in a switchboard of a machine room or a control room, and an ordinary switchboard has MCCB, TOR, MC

And an operation bar provided on the opening and closing door of the switchboard so as to check operation and operation status from the outside,

Electrical wiring is made on the button and indicator.

Next, Figs. 2 to 4 are reference photographs of a conventional power distribution board.

2 (a) is a photograph in which one line is electrically wired in the switchboard, and Fig. 2 (b) shows an operation button and an indicator lamp

Fig. 3 (a) is a photograph in which seven lines are electrically wired in the switchboard, Fig. 3 (b) shows an operation button and an indicator lamp on the switchboard door

This is an electrical wired picture.

Fig. 4 (a) is a photograph in which 12 lines are electrically wired in the switchboard, Fig. 4 (b) shows an operation button and an indicator lamp

FIG. 4C is a photograph in which an operation button and an indicator lamp are provided on the outside surface of the switchgear opening / closing door.

According to the above-described conventional switchboard, in order to check the control of the electromagnetic switch installed in the switchboard and the operation state thereof,

An operation button and an indicator lamp are provided outside the opening and closing door, and the electric wiring is formed between the opening and closing door of the switchgear,

Electric wiring is required from the inside of the door to the opening and closing door, thereby shortening the working time and simplifying the wiring work.

Particularly, as the number of lines in the switchboard increases, a separate duct for the electric wiring is required. If an abnormality occurs in the line, the duct

It is difficult to detect the abnormality and it is extremely difficult to maintain it.

There was a point.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and its object is to provide an apparatus,

The electric wiring in the power distribution board is simplified by omitting the electric wiring of the power transmission path, and the data path

So that the operating reliability can be improved.

It is another object of the present invention to provide a method of detecting an abnormality in a line,

A control system for a switchboard is provided.

As described in detail above, according to the present invention, the electric wiring with the operation button and the indicator provided on the door of the switchboard

To simplify the electrical wiring in the switchboard and to set the data path between the transmitter and receiver in the on / off control of the load (motor).

So that the reliability of operation can be improved.

Especially, even if the line increases in the switchboard, the electric wiring with the operation button and the indicator is omitted, and the presence or absence of abnormality of the line is immediately detected

And it is extremely easy to maintain the operation of the apparatus.

In order to achieve the above-described object, the present invention provides an electronic switch for controlling the load power of a motor, etc.,

In order to check the on / off operation and operation of the electronic switch from outside, an operation button and an indicator lamp are provided outside the switch panel opening / closing door

And is provided on the inner surface of the switchgear door so that electrical wiring between the electronic switchgear, the operation button, and the display can be omitted,

A transmission section for outputting an infrared control signal in accordance with the on / off operation of the operation button;

And a receiving unit for receiving the infrared control signal and turning on / off the electromagnetic switch.

In addition, the transmission unit may include a first dip switch for controlling the transmission of the infrared control signal of a specific band according to the on / off operation of the operation button

And a first indicator for emitting light in red or green according to on / off operation of the operation button,

And a second dip switch for controlling the external control signal so as to be able to receive the external control signal,

And a second indicator lamp for illuminating the display panel.

The receiving section is provided with a relay for opening and closing the contact of the electromagnetic switch based on the second dip switch section,

And an emergency switch for operating the vehicle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a control system for a switchboard according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 5 is a diagram illustrating an example of a control system for a switchboard according to the present invention, and FIG. 6 is a block diagram of a control system for an switchboard according to the present invention.

As shown in FIG. 5, the embodiment of the present invention is applied to the operation and control of a load, the operation of a motor, and the like in the switchboard 10

A wiring breaker, a relay, an electromagnetic switch 3, and the like are sequentially electrically wired, and when receiving the infrared control signal, the contact of the electromagnetic switch 3

And a receiving unit 30 for turning on / off the receiving unit.

On the switchboard opening / closing door 11, there are provided an operation button for on / off-controlling the operation of the load, and an on / off signal

And a transmitting unit 20 for transmitting the infrared control signal to the receiving unit 30 is provided.

Thus, the electric wiring between the electromagnetic switch 3 in the switchboard 10 and the operation button on the switchboard opening and closing door 11 can be omitted,

When a plurality of circuits are arranged in the circuit board 10, the receiving unit 30 and the transmitting unit 20 are provided for each circuit,

Next, FIG. 6 is a block diagram of a control system for an electric distribution panel according to the present invention.

As shown in the figure, the transmission unit 20 includes a first power supply unit 21 for receiving 220 volts and supplying power to the transmission side,

An operation button 22 for transmitting a line control signal and an infrared light emitting section 23 and an operation state according to on /

A first indicator lamp 24 for controlling the operation of the operation button 22, and an infrared control signal of a specific band in accordance with the on / off operation of the operation button 22

The first dip switch portion 25 is provided.

The receiver 30 includes a second power supply 31 for receiving 220 volts and supplying power to the receiver,

An infrared light receiving unit 32 for receiving an external control signal, a second display lamp 33 for displaying an operation state according to infrared ray reception,

A second DIP switch portion 34 for controlling the DIP switch 34 to receive the infrared control signal of the predetermined band,

An output terminal 35 for opening and closing the contact of the instantaneous electromagnetic switch 3 is provided.

According to the above technical arrangement, when the operation button 22 is depressed, the first display lamp 24 is turned on in red, and the load (for example, a motor or the like)

And the infrared control signal of the specific band set by the first dip switch unit 25 is outputted from the infrared ray emitting unit 23

.

When the infrared control signal of the specific band set by the second dip switch portion 34 is received via the infrared light receiving portion 32, the second indicator lamp 33

The operation state of the load side is displayed, and the output terminal 35 closes the contact of the electromagnetic switch 3,

Circle is supplied.

That is, it is possible to transmit and receive infrared control signals of a specific band by the dip switch portion composed of the IC chip and the dip switch,

To be operated by an external control signal.

Therefore, by operating the first and second dip switch positions 25a and 35b of the first and second dip switch portions 25 and 34 and operating only in a specific band of infrared control signals

Locking prevents multiple lines from being interfered with each other.

On the other hand, in the first dip switch 25a, the infrared control signal of a specific band is transmitted through the infrared light emitting part 23 by the first IC chip 25b

And the second dip switch 34a is for interrupting the infrared control signal of the specific band by the second IC chip 35b

Thus, it is possible to implement various means for switching the internal circuit of the IC chip.

The output terminal 35 is connected to the electromagnetic switch 3 and the front switch 3 so as to be able to open and close the contact of the electromagnetic switch 3 based on the second dip switch 34. [

A relay 35a connected in a mirror and an emergency switch 36 for manually operating the relay 35a in an emergency are provided.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments,

Without departing from the spirit of the present invention claimed in the claims, any person skilled in the art to which the invention belongs

Various variations will be possible.

Claims (1)

An electromagnetic switch for interrupting a load power source such as a motor is installed in the switchboard, and the electromagnetic switch is turned on /
The control system for an electric power distribution board having an operation button and an indicator on the switchboard opening / closing door so as to confirm whether or not the operation of the switchboard is open or closed is provided on the inside surface of the switchboard door so as to omit the electric wiring between the electromagnetic switch, Prize
A transmission unit for outputting an infrared control signal in accordance with an on / off operation of the base operation button,
And a control unit which is installed in the switchboard in correspondence with the transmission unit and receives the infrared control signal of the transmission unit,
And a receiving unit electrically connected to the electromagnetic switch so that the electronic switch can be turned on.

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