KR20070047748A - A control device for various kind of driving machine - Google Patents

Abstract

The present invention relates to a control device for a variety of drive devices, and as a single MC panel, it is possible to easily drive a variety of drive devices connected to it to simplify the configuration and to efficiently use as well as to reduce the driving cost It relates to a multi-driving device control device for.

To this end, by integrating the integrated circuits that drive the various driving schemes in one MC panel and switching the driving method as a driving method switching switch, even one MC panel drives the driving devices of various driving methods. It is to provide a multi-driving device control device that can be made.

MC panel, local panel, desk panel, driving device.

Description

A control device for various kind of driving machine}

1 is a configuration diagram installed control device according to the present invention

2 is a front view of the control panel of the desk panel control apparatus according to the present invention

Figure 3 is a control panel front panel configuration of the MC panel control apparatus according to the present invention

Figure 4 is a control panel rear panel configuration of the MC panel control apparatus according to the present invention

5 is a control flow chart of the desk panel control apparatus according to the present invention

6 is a control flow chart of the MC panel control apparatus according to the present invention

7 is a control flowchart of a local panel control apparatus according to the present invention;

<Description of the symbols for the main parts of the drawings>

1a, 1b, 1c: driving elements 2a, 2b, 2c: MC panel (conventional)

3: MC panel 4: Driving switch

5: MC panel control panel 6: Data display unit

7: MC panel operation mode lamp 8: Local panel operation mode lamp

9: operation mode selection button 10: MC panel forward rotation operation button

11: MC panel operation stop button 12: MC panel reverse rotation operation button

13: MC panel forward rotation operation mode display lamp 14: MC panel operation stop mode display lamp

15: MC panel reverse operation mode display lamp 16a, 16b, 16c: Local panel

17: Local panel forward run mode button 18: Local panel run stop mode button

19: Local panel reverse run mode button 20: Local panel forward run mode display lamp

21: Local panel operation stop display lamp 22: Local panel reverse rotation operation mode display lamp

23: Electronic over current relay reset button

24: Fault status display lamp of electronic over current relay (EOCR)

25: lamp for electric current setting status 26: desk panel

27: communication mode setting button 28: communication number UP button

29: Communication number down button 30 ~ 44: Components of the back of the MC panel

45: central information processor 46: automatic drive operation mode lamp

47: desk panel operation mode lamp 48: desk panel control panel

The present invention relates to a control device for a variety of drive devices, and as a single MC panel, it is possible to easily drive a variety of drive devices connected to it to simplify the configuration and to efficiently use as well as to reduce the driving cost It relates to a multi-driving device control device for.

Local panels are installed in various places of the industrial site along with driving devices such as motors, and the MCC panel (MCC Panel), which is a kind of switchboard for controlling the driving devices, is installed in the machine room or the electric room of the site. ) Is installed, and the central control room has a desk panel (De or Panel) is installed, each panel is wired or wirelessly controlled remotely, when the command from the central control room desk panel MC panel Through the driving device connected to each local panel will be driven according to the command.

MCC Panel (MCC Panel) that can control the driving devices connected to the local panel (Local Panel) and the local panel (Local Panel) installed in several places of the site with a plurality of driving devices each having a different driving method ), The MC panel (MCC Panel: Motor Control Center) and the local panel (Local Panel) by controlling the driving system of the drive device as a desk panel (Desk Panel) installed in the central control room.

For example, in the case of a water purification plant, a motor that operates when a water gate is opened, a water pump motor that raises water, and the like are provided, and a type of switchgear that controls driving of a driving element such as the motor is an MC panel.

The driving device controlled by the MC panel has different driving methods depending on the output and the use, even if the driving device has the same function.The types of the driving methods are direct start, reactor start, and forward / reverse. There are starting, Y-delta, etc., and the MC panel suitable for each driving method must be separately provided to drive each driving device that changes the driving method.

In the industrial field, each driving device having a different driving method is installed as described above. In order to drive each driving device, it is necessary to provide separate MC panels for each driving device. When the panels are provided, there is a problem in that the maintenance cost is very high and is very complicated.

The present invention has been made to solve the above problems, it is possible to easily drive a variety of drive elements connected to it as a single MC panel to simplify the configuration to be used efficiently as well as driving cost The purpose is to reduce costs.

To this end, the present invention aggregates the integrated circuits for driving the various driving schemes in one MC panel and can switch the driving method as a driving method switching switch, so that a single MC panel can be used for various driving methods. It is intended to provide a multiple driving device control device capable of driving a driving device, and will be described in more detail in the configuration of the invention.

In order to achieve the above object, the present invention will be described in more detail based on the accompanying drawings.

1 is a configuration diagram in which the control device according to the present invention is installed, FIG. 2 is a front view of a control panel front part of a desk panel control device according to the present invention, and FIG. 3 is a front view of a control panel front part of an MC panel control device according to the present invention. 4 is a block diagram of a control panel rear part of the MC panel control apparatus according to the present invention, FIG. 5 is a control flow diagram of the desk panel control apparatus according to the present invention, FIG. 6 is a control flow diagram of the MC panel control apparatus according to the present invention. 7 is a control flow chart of a local panel control apparatus according to the present invention, the present invention is a drive element control device, even if the driving method of the various drive elements (1a, 1b, 1c) installed in the field is different, respectively, each driving method It is characterized by being able to be driven by only one MC panel (MCC Panel) 3 without having to provide separate MC panels (2a, 2b, 2c) (MCC panel: Motor Control Center). Seen for this Myung has integrated an integrated circuit capable of driving several driving elements 1a, 1b, 1c into one MC panel 3 and forming a drive type switching switch 4 on the MC panel 3 to drive the drive. When the method switching switch 4 is set in accordance with the driving method of the driving elements 1a, 1b, and 1c to be driven, the driving elements 1a, 1b, and 1c driven by various driving methods are one MC panel ( It is configured to be driven by 3).

More specifically, as shown in the configuration of the MC panel control panel 5 of FIG. 4, the data display unit 6 and the MC panel operation mode lamp 7 in which data or numerical values are displayed are displayed. The local panel operation mode lamp 8 is formed, and an operation mode selection button 9 for selecting one of the two operation modes is formed, and the drive elements 1a and 1b in the MC panel 3 are formed. Forward driving mode display lamp 13, driving stop mode display lamp 14, together with forward running button 10, driving stop button 11, reverse running button 12 capable of driving, 1c. ), A reverse rotation mode display lamp 15 is formed.

In addition, the forward rotation operation mode button 17 of the local panels 16a, 16b, and 16c is formed together with the operation stop button 18 and the reverse rotation operation mode button 19, together with the local panels 16a and 16b. 16c, the forward rotation operation mode display lamp 20, the operation stop mode display lamp 21, and the reverse rotation operation mode display lamp 22 are formed.

In addition, the reset button 23 for resetting the electronic overload relays (EOCR) in the MC panel 3 and the electronic overcurrent relays of the driving elements 1a, 1b and 1c A fault state display lamp 24 of the EOCR, and an electric starting circuit current setting state display lamp 25 for indicating that the electronic overcurrent relay (EOCR) current is in a set state are formed.

In addition, when there are two sites under one central control unit, one MC panel 3 is installed at each site. In this case, two MC panels 3 are connected to one desk panel 26. In the case of control, a communication mode setting button 27 for communicating with a specific MC panel 3, an UP button 28 for selecting a communication number when setting the communication mode, and a down for selecting a communication number ) Is formed together with the button 29.

As shown in FIG. 5, the rear portion of the MC panel 3 having the front portion formed as described above includes a terminal block 30 for receiving a fault state of the electronic overcurrent relay (EOCR) from the outside, and an air electric circuit breaker (ACB): The terminal block 31 for receiving the ON state of the air circuit breaker (VCB) / vacuum circuit breaker (VCB), and the OFF state of the air circuit breaker (ACB) / vacuum breaker (VCB) Terminal block (32) for receiving input, terminal block (33) for receiving fault status of overcurrent relay (OCR) of air circuit breaker (ACB) / vacuum electric circuit breaker (VCB), air electric circuit breaker (ACB) / vacuum electric circuit breaker ( Terminal block 34 for receiving the fault condition of the overcurrent ground fault relay OCGR of the VCB, terminal block 35 for outputting the contact of output A for driving the driving devices 1a, 1b, and 1c, and driving device 1a. Terminal block 36 for outputting the contact of output B for driving 1b, 1c, and driving elements 1a, 1b, 1c Terminal block 37 for outputting the contact of output C for copper, terminal block 38 for outputting the ON control of the air circuit breaker (ACB) / vacuum circuit breaker (VCB), air circuit breaker ( ACB) / terminal block 39 for outputting the contact of the OFF control of the vacuum circuit breaker (VCB), the contact of the fault state of the overcurrent relay (OCR) of the air circuit breaker (ACB) / vacuum circuit breaker (VCB) Terminal block 40 for outputting the fault, terminal block 41 for outputting the contact point of the fault state of the overcurrent ground fault relay (OCGR) of the air circuit breaker (ACB) / vacuum circuit breaker (VCB), terminal block for inputting the driving power (42), a current transformer (CT) connection terminal block 43 for measuring current values of the drive elements 1a, 1b, 1c, in particular, drive elements 1a, 1b, 1c of various driving schemes. Drive type switching switch 44 is formed to easily drive.

Looking at the connection configuration of the central processing unit 45 that connects the front and rear parts configured as described above in more detail based on Figure 6, the components of the front portion formed on the front of the MC panel (3) to input a command It consists of elements, which are connected to the central information processing unit 45 inside the device, the central information processing unit 45 is configured to be connected to the components of the rear portion formed on the back of the MC panel (3) Information and commands are input to the central information processing unit 45 through the components of the front panel, and the input commands are processed by the central information processing unit 45 through output terminals formed at the rear part of the MC panel 3. The structure is output.

Here, the information input from the MC panel (3) reduces the number of pins used in the central information processing unit 45 by using an integrated circuit (IC: Integrated Circuit) of the parallel input serial conversion output type, several milliseconds ( The data is input for each MSEC) to perform real-time input processing.

In addition, the data processed by the central information processor 45 is displayed through a light emitting diode (LED) or a liquid crystal display (LCD), and the output information is serially input as opposed to when information is input. An integrated circuit (IC) of parallel conversion output type is used to reduce the number of pins of the central information processing unit 45. The output information is a latch type that holds information until the next information is transmitted. Will have an output.

Also, from the terminal block 35 for outputting the contact point of the output A for driving the drive elements 1a, 1b and 1c for output control, the contact point of the output B for driving the drive elements 1a, 1b and 1c is outputted. Control of the terminal block 36 for output, the terminal block 37 for outputting the contact point of the output C for driving the driving elements 1a, 1b, and 1c, and the ON / OFF control of the ACB / VCB Terminal block (38) for outputting the contacts of the terminal, terminal block (39) for outputting the contacts of the OFF (OFF) control of the air circuit breaker (ACB) / vacuum electric circuit breaker (VCB), air electric circuit breaker (ACB) / vacuum electricity The terminal block 40 for outputting the faulty contact of the overcurrent relay OCR of the breaker VCB, and the faulty contact of the overcurrent ground fault relay OCGR of the air circuit breaker ACB / VCB. The terminal block 41 for outputting is faster by assigning an integrated circuit (IC) directly from the central information processing unit 42. So that accurate output.

In particular, the drive panel selector switch 4 for driving any drive device 1a, 1b, 1c in accordance with the drive method of the drive device (1a, 1b, 1c) to be driven in the rear portion of the MC panel (3) Is formed.

Here, the desk panel 48 installed in the central control room is based on the above configuration, and the autonomous driving mode lamp 46 and the desk panel driving mode lamp 47 are added to the two driving mode lamps. In addition, the same configuration as that of the rear panel of the MC panel 3 is not installed in the desk panel 26, and the desk panel has only a configuration that can control the MC panel in the form of a remote controller.

The present invention forms an MC panel (3) in which integrated circuits capable of driving various driving methods as one are formed as described above, and the various driving elements (1a, 1b, 1c) are combined into one MC panel (3). When the drive elements 1a, 1b, 1c to be driven are designated by the operation mode selection button 9 and the communication mode setting button 27, the driving mode selection button 9 is pressed to drive the MC. It is determined whether to drive from the panel 3 or from the local panels 16a, 16b, and 16c, and then designated as a drive mode switching switch 4 formed on the rear side of the MC panel 3. When the driving method suitable for the driving devices 1a, 1b, and 1c is set, the driving devices 1a, 1b, and 1c can be driven by the driving method. That is, the driving devices 1a, 1b, and 1c are driven. If the drive method selector switch 4 is set to the reaction method when the drive is to be performed in the reaction method, When the actuation driving elements 1a, 1b, 1c are driven, and the driving elements 1a, 1b, 1c are driven by indirect starting, the actuation switching switch 4 is directly driven. In this way, the driving elements 1a, 1b, and 1c of the direct start method can be driven.

In this case, when the MC panel 3 intends to drive the drive elements 1a, 1b, and 1c forward, stop, and reverse, the operation mode should be designated as the MC panel operation mode. In 16a, 16b, and 16c, when the drive elements 1a, 1b, and 1c are to be driven in the forward rotation, stop, and reverse rotation, the operation mode should be designated as the local panel operation mode.

The control panel 5 formed at the front part of the MC panel 3 configured as described above is also provided at the desk panel 26 and the local panels 16a, 16b, and 16c of the central control room. In the control panel 48 of the panel 26, an autonomous driving mode lamp 46 and a desk panel operating mode lamp 47 are additionally formed. Two types of the control panel 5 of the MC panel 3 are formed. The automatic driving operation mode 46 and the desk panel operation mode 47 are added to the operation mode. When the automatic driving operation mode 46 is set, the entire configuration is automatically driven and the desk panel operation mode ( 47, it is possible to control the driving of the driving elements 1a, 1b, and 1c in the desk panel 26, and when the desk panel 26 controls the desk panel 26 in the MC panel 3 Command and send it to the local panels 16a, 16b, 16c. , 16c is capable of driving the driving elements 1a, 1b, 1c.

When the operation mode selection on the desk panel 26 is described in more detail, the four modes are sequentially converted and set according to the number of times the operation mode selection button 9 is pressed. (9) When the auto drive mode lamp 46 is turned on, all the driving elements 1a, 1b, and 1c are automatically driven. When the MC panel operation mode lamp 7 is turned on, the MC panel (3 ) Controls the driving of the driving elements 1a, 1b, 1c, and when the local panel operation mode lamp 8 is turned on, the driving elements 1a, 1b, 1c are directly connected to the local panels 16a, 16b, 16c. When the desk panel operation mode lamp 47 is turned on, the desk panel 26, which is the central control room, is set to control the driving of the driving elements 1a, 1b, and 1c. At this time, when the driving device 1a, 1b, 1c is to be driven by the desk panel 26, When the forward / stop / reverse button is pressed on the lower side of the indicator labeled MC, this command is transmitted to the MC panel (3), and the command is received from the MC panel (3). Commands are transmitted to the 16a, 16b, and 16c, and the local panels 16a, 16b, and 16c that receive the command drive the driving elements 1a, 1b, and 1c.

In addition, along with the forward rotation operation button 10, the operation stop button 11, and the reverse rotation operation button 12 on the MC panel 3, a lamp 13 for displaying the forward rotation operation state, and operation stop A lamp 14 for displaying a state and a lamp 15 for displaying a reverse rotation operation state are provided. When the operation mode is selected as the MC panel 3, the forward rotation operation button 10 is pressed. When the lamp 13 indicating the forward rotation driving state is turned on, the driving elements 1a, 1b, and 1c are driven to rotate in the forward rotation, and when the stop button 11 is pressed, the lamp indicating the operation stop state is When 14 is turned on, the driving elements 1a, 1b, 1c are stopped, and when the reverse operating button 12 is pressed, the lamp 15 indicating the reverse operating state is turned on and the driving elements 1a, 1b are turned on. , 1c is to rotate in reverse rotation, the button for controlling the forward rotation, stop, reverse rotation of the drive elements (1a, 1b, 1c) It is connected to the output terminal A (35), output terminal B (36), output terminal C (37) formed on the rear part of the MC panel (3) via the central information processing unit 45, which is local panel A of each site And B, C (16a, 16b, 16c) connected to the command from each output terminal of the MC panel (3) is transmitted to each local panel (16a, 16b, 16c), each drive element A (1a) The driving element B (1b) and the composition element C (1c) are driven.

At this time, the output terminal A (16a), the output terminal B (16b), the output terminal C (16c) is not limited to three, but can be increased as much as the capacity can afford.

In addition, when driving the drive elements 1a, 1b and 1c directly from the local panels 16a, 16b and 16c, the operation mode is set to the local operation mode and directly controlled by the control panel of the local panels 16a, 16b and 16c. Since the control panels of the local panels 16a, 16b, and 16c are well known in the prior art, detailed descriptions thereof will be omitted, and the electronic overcurrent relay (EOCR) may be omitted from the rear panel of the local panel as in the rear panel of the MC panel. A lamp 49 indicating a fault alarm for the motor and an electric starting circuit current setting state display lamp 50 for indicating that the electronic overcurrent relay (EOCR) current in the local panels 16a, 16b, and 16c are set are formed. have.

In addition, a communication mode setting button 24 for communicating with a specific local panel 16a, 16b, 16c is formed together with an UP button 25 and a DOWN 26 button for raising and lowering a communication number. There is a local panel (16a, 16b, 16c) connected to the plurality of driving elements (1a, 1b, 1c) connected to the MC panel 3, each having a unique communication number is set in the MC panel (3) Only the local panels 16a, 16b, and 16c designated according to the communication number are received, so that the driving elements 1a, 1b, and 1c connected to only the local panels 16a, 16b, and 16c are driven.

In addition, the terminal block 42 for inputting a driving power source, which is a power source, generally receives a voltage of 220 volts AC and receives a DC 15 volts converted from a transformer to generate a DC 12 volts and a DC 5 volts through a voltage regulator. The generated DC 5 volts is used as a power source for the central information processing unit 45 and other integrated circuits, and the DC 12 volts is used for driving a relay for the output unit.

In addition, the terminal block 42 for inputting a driving power source, which is a power source, generally receives a voltage of 220 volts AC and receives a DC 15 volts converted from a transformer to generate a DC 12 volts and a DC 5 volts through a voltage regulator. The generated DC 5 volts is used as a power source for the central information processing unit 45 and other integrated circuits, and the DC 12 volts is used for driving a relay for the output unit.

In addition, the terminal blocks 33 and 34 are formed to receive a fault condition of the overcurrent relay OCR and the overcurrent ground fault relay OCGR, which indicates that excessive current is generated during driving of the driving elements 1a, 1b, and 1c. When it flows, fault information is quickly transmitted to the central information processing unit 45 by the input terminal blocks 33 and 34, and the central information processing unit 45 has an overcurrent relay (OCR) and an overcurrent ground fault relay (OCGR) output terminal block. Through 40 and 41, current is cut off for the driving elements 1a, 1b, and 1c in which the corresponding failure information has occurred.

In addition, the input terminal block 30 of the electronic overcurrent relay (EOCR) is formed at one side of the rear part, and when the fault information by the overcurrent of the driving elements 1a, 1b, and 1c is input through this, the electronic overcurrent of the front part is input. The failure indicator lamp 27 is turned on by the relay EOCR, and for this purpose, there is a reset button 29 for resetting the electronic overcurrent relay EOCR. When present, it is possible to return to the original state by pressing the RESET button (29).

According to the present invention having the above-described configuration, when a driving device having a different driving method is provided to each other, a single MC panel does not need to be provided with a separate MC panel according to each driving method having a different driving method as in the prior art. As the drive elements can be easily driven by different driving methods, the complicated configuration becomes very simple, so the installation and maintenance are easy and the cost is greatly reduced.

Claims (1)

In the driving device control device comprising a display unit for displaying the input information or output information, the device operation button, the forward / stop / reverse rotation driving unit of the driving element, the overcurrent control unit lamp unit for displaying the setting state of the component, The front panel is equipped with the operation mode selection button for selecting one of MC panel operation mode and local panel operation mode, and the forward / stop / reverse rotation operation of the driving device of the local panel to drive the driving device from the local panel. The button and its associated forward rotation lamp, stop indicator lamp, and reverse rotation indicator lamp are formed.Reset button for resetting of Electronic Overload Relays (EOCR) and electronic overcurrent of the driving element. Fault status display lamp of relay (EOCR), electronic over current relay (EOCR) current setting status display lamp, lamp for indicating start time setting status, communication mode setting button, UP to raise communication number of communication mode Button, DOWN button for lowering communication number is formed, and terminal block for receiving fault status of electronic over current relay (EOCR) from outside, air Terminal block for inputting the ON state of ACB (Air Circuit Breaker) / Vacuum Circuit Breaker (VCB), Air Circuit Breaker (ACB) / Vacuum Electric Breaker (VCB) OFF Terminal block to receive status, ACB / Overcurrent relay of vacuum breaker (VCB) Terminal block to receive fault status of overcurrent relay (OCR), Overcurrent of air breaker (ACB) / Vacuum breaker (VCB) Terminal block for receiving fault status of ground fault relay (OCGR), Terminal block for outputting contact of output A for driving device, Terminal block for outputting contact of output B for driving device, Driving device for driving device Terminal block for outputting contact of output C, Terminal block for outputting contact of ON control of air circuit breaker (ACB) / vacuum circuit breaker (VCB), Air circuit breaker (ACB) / Vacuum circuit breaker (VCB) Of the OFF control Terminal block for outputting, terminal block for outputting fault status of overcurrent relay (OCR) of air circuit breaker (ACB) / vacuum circuit breaker (VCB), overcurrent of air circuit breaker (ACB) / vacuum circuit breaker (VCB) MC consisting of a terminal block for outputting the fault status of the ground fault relay (OCGR), a terminal block for inputting the driving power, a current transformer (CT) connection terminal block for measuring the current value of the motor, and a drive type changeover switch Multi-drive device control device characterized in that the sea panel is provided.

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