KR101953815B1 - Module-type Electric Current Control Device - Google Patents

Abstract

The present invention relates to a module-type current control device which can detach and replace only a driving unit from a control unit of the control device in accordance with a specification of an electric component. According to the present invention, the module-type current control device comprises: a control unit receiving a control signal from a personal computer (PC) and calculating a control method of the electric component; and a driving unit driving the electric component by the control method calculated from the control unit, wherein the driving unit is configured to be detachable from the control unit.

Description

[0001] Module-type Electric Current Control Device [0002]

The present invention relates to a modular current control device, and more particularly, to a modular current control device capable of easily replacing a driving part with a control part of a current control device in accordance with the specification of a motor, a coil electromagnet, a PTC, ≪ / RTI >

2. Description of the Related Art A control device (drive driver) for controlling the operation of electric components such as motors generally includes a control unit for applying a signal for controlling the operation of the electric components, and a drive unit for adjusting the voltage value by receiving a signal from the control unit .

The conventional motor control device disclosed in Japanese Patent No. 1464160 discloses a motor driving body for opening and closing a screen door. The motor driving body disclosed in the above patent document includes a motor drive for opening and closing a screen door installed between a landing area of a train and a line A drive motor configured as a component independent of each other; A decelerator for decelerating a rotational force transmitted through a drive shaft of the drive motor; A drive motor driver for receiving the command value from the main control unit and driving the drive motor; And an encoder for detecting the speed of the driving motor and transmitting the detected speed to the driving motor driver, wherein the speed reducer and the driving motor are fixedly installed by first and second fixing brackets while being coupled by bolt fastening, Is fixed to the outside of the second fixing bracket so as to be positioned on the side of the driving motor, the driving motor driver is spaced apart from the driving motor and the encoder by the first and second communication cables, Is a BLDC motor, and the speed reducer is a planetary speed reducer.

The driving motor driver (motor control device) disclosed in the above-mentioned patent document is configured to be able to easily replace the motor and the driving motor driver separately, if necessary. However, if the motor to be replaced is of a different type, The motor and the driving motor driver are usually replaced with each other even if the motor and the driving motor driver are easily separated from each other.

However, even if the specification of the motor is changed, only the configuration of the driving unit and the control unit of the motor control unit must be changed in accordance with the driving conditions of the motor, so that the control unit is replaced unnecessarily and the cost of replacing the motor and the motor control unit There is a problem that it increases greatly.

Therefore, it is required to develop a control device which can separate and replace only the driving portion from the control portion of the control device in accordance with the specification of the electric component.

KR 10-1307915 B1 (Mar. 09, 06.) KR 10-1464160 B1 (Nov. 17, 2014) KR 20-0273202 Y1 (Apr. 11, 2002)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a control apparatus for a motor- And to provide a modular current control device.

According to an aspect of the present invention, there is provided a modular current control apparatus comprising: a control unit receiving a control signal from a PC to calculate a control method of a motorized component; And a driving unit for driving the electric component according to a control method calculated by the control unit, wherein the driving unit comprises: a first module block receiving power and control signals from the control unit and outputting a converted current value; And a second module block receiving the power and control signals from the controller while being inserted into the first module block and outputting the converted current value, Wherein the first and second module blocks are formed in a block shape of a predetermined size; A connection terminal located at one side of the main body and fitted into the control unit; An assembly terminal protruding from an upper surface of the body by a predetermined length and connected to the driving power of the electric component; An assembly groove formed on a bottom surface of the main body and having a size corresponding to the assembly terminal; And an output terminal that is positioned at another side of the main body and outputs a current for controlling the electric component, wherein the first and second module blocks are assembled by fitting the assembly terminal and the assembly groove Wherein when power is applied to one module block, power is applied to another module block, a power source applied from the assembly terminal is output to the electric component through the output terminal, and the first and second module blocks are vertically And the H bridge circuit is physically assembled.

Further, the present invention is characterized in that the drive unit can be replaced according to the specifications and control characteristics of the electric component.

Further, the present invention is further characterized in that the first and second module blocks are further provided with a current sensing sensor and a voltage sensing sensor for measuring a current value and a voltage value respectively applied to the electric components.

In addition, the present invention is characterized in that the first and second module blocks are positioned so that the positions of the output terminals located on the upper and lower sides are different from each other, and the pair of assembly terminals are provided in the diagonal direction on the corner portion of the upper surface of the main body, And the assembly terminals of the first and second module blocks are positioned so as to be staggered in the diagonal direction with respect to each other.

According to another aspect of the present invention, there is provided a control method for a motor vehicle, comprising: a main circuit unit for calculating and determining a control method of the electric component based on a control signal applied from the PC; A power supply unit that receives power from the outside and supplies power to the main circuit unit; A plurality of terminal connection parts in which the first and second module blocks are selectively assembled; A display unit for outputting control information of the main circuit unit and a current value and a voltage value provided in the first and second module blocks; And a communication module for receiving a control signal from the PC and transmitting the control signal to the main circuit unit.

According to the present invention, the driving unit of the control unit can be appropriately assembled and assembled according to the capacity (KW) and the types (AC, DC, BLDC) of various electric components such as motors, coils, electromagnets, PTCs and pumps, There is an advantage that it is not necessary to manufacture a control device separately according to the electric parts.

1 is a configuration diagram showing an example of a modular current control device according to the present invention.
2 is a perspective view showing an example of a modular current control device according to the present invention.
3 (a) and 3 (b) are views showing an example in which first and second module blocks according to the present invention are assembled.
4 (a) and (b) are plan views showing examples of first and second module blocks according to the present invention;
5 (a) and 5 (b) are circuit diagrams showing examples of first and second module blocks according to the present invention;
FIG. 6 is a flowchart illustrating an example of controlling operation of a motorized part according to a current value and a voltage value sensed by the current and voltage sensing sensor according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention provides a modular current control apparatus configured to easily separate and assemble a control unit and a driving unit according to specifications of a motorized component. And a driving unit 20.

The control unit 10 receives a control signal from a desktop computer, a notebook computer, a tablet or the like (hereinafter referred to as a PC), and calculates a control method of the electric component 1.

1 and 2, the control unit 10 includes a main circuit unit 11 for calculating and determining a control method of the electric component 1 based on a control signal applied from a PC, A power supply unit 12 for supplying power to the main circuit unit 11 and a plurality of terminal connection units 13 for selectively assembling the first and second module blocks 20A and 20B to be described later, A display unit 14 for outputting control information of the first and second module blocks 20A and 20B and a current value and a voltage value provided from the first and second module blocks 20A and 20B, (15).

At this time, a control switch SW having a jog & shuttle structure is installed on one side of the display unit 14, so that the user can select and confirm the information output through the display unit 14. [

The control unit 10 is provided at one side thereof with a terminal (not shown) connected to the encoder E. Power is supplied to the encoder E through the terminal, and at the same time, Information about the speed is obtained.

The microcontroller unit is provided inside the main circuit unit 11 to control the operation of the display unit 14 and the communication module unit 15. The current value and voltage And detects an error in operation of the electric component 1, and turns on / off the plurality of FET modules A provided in the driving unit 20, which will be described later, And transmits a signal to operate.

The terminal connection portion 13 is connected to the FET module A and the first and second module blocks 20A and 20B which are inserted into and connected to the first and second module blocks 20A and 20B of the driving unit 20, Power is applied to the current sensing sensor S1 and the voltage sensing sensor S2 and information about the current value and the voltage value sensed by the current sensing sensor S1 and the voltage sensing sensor S2 is received.

The terminal connection unit 13 includes four power supply lines VCC and GND for applying power and two output lines connected to the current detection sensor S1 and the voltage detection sensor S2. .

The display unit 14 outputs a current value, a voltage value, temperature information of the FET module A, an error code and speed (or position) of the electric component 1, and the like.

The communication module unit 15 is configured to transmit and receive control information and a control signal by wireless or wired communication with a user's PC. The communication module unit 15 can communicate with any one of the wired or wireless communication modules Or may be composed of a plurality of communication modules including wired and wireless.

The driving unit 20 receives a control signal according to the control method calculated by the control unit 10 and controls the plurality of FET modules A to thereby control the driving of the electric component 1. [

2 and 3 (a) and 3 (b), the driving unit 20 is configured to be detachably attached to the terminal connection unit 13 of the control unit 10 while receiving power and control signals from the control unit 10 The first module block 20A outputs the converted current value and the first module block 20A is configured to be detachably attached to the terminal connection portion 13 of the control unit 10 while being assembled to the first module block 20A. And a second module block 20B receiving the power and control signals from the second module block 20B and outputting the converted current values.

Each of the first and second module blocks 20A and 20B includes a main body 21 formed in a block shape having a predetermined size as shown in FIGS. 3A and 3B and FIGS. 4A and 4B, A connection terminal 22 which is located on one side of the main body 21 and is assembled into the control unit 10 and a connection terminal 22 which is protruded by a predetermined length on the upper surface of the main body 21 and is connected to the driving power of the electric component 1 An assembling groove 24 formed on the bottom surface of the main body 21 and having a size corresponding to the assembly terminal 23 and a control member 24 disposed on another side of the main body 21 to control the motor- And an output terminal 25 for outputting a current to be output.

The main body 21 is provided with a current sensor S1 and a voltage sensor S2 for measuring a current value and a voltage value respectively applied to the electric component 1.

The connection terminal 22 includes two power lines VCC and GND for receiving power from the control unit 10 like the terminal connection unit 13 of the control unit 10, And a four-channel connector including two output lines for providing information sensed by the sensor S1 and the voltage sensing sensor S2 to the control unit 10. [

3 (a) and 3 (b) and 4 (a) and 4 (b), a pair of assembly terminals 23 are provided on the upper surface of the main body 21 at predetermined intervals, So as to have a predetermined length.

On one side or both side edges of the assembly terminal 23, an inclined surface inclined at a predetermined angle is formed, thereby preventing the user from erroneously assembling the first and second module blocks 20A and 20B do.

The assembly terminal 23 provided in the first module block 20A and the assembly terminal 23 provided in the second module block 20B are positioned at positions staggered in the diagonal direction from each other, It is structurally prevented that the first module block 20A is vertically assembled or the second module block 20B is vertically assembled.

The assembly groove 24 is formed in the upper surface of the first and second module blocks 20A and 20B so that the external power is supplied to the assembly terminal 23 and the assembly groove 24, An assembly groove 24 is formed in the first module block 20A at a position where the assembly terminal 23 of the second module block 20B is inserted, The assembly groove 24 is formed in the bottom surface of the block 20B in correspondence with the position where the assembly terminal 23 of the first module block 20A is inserted, whereby the first module block 20A and the second module block 20B 20B are stacked alternately and fitted together.

The output terminal 25 is configured to transmit a control signal output from a pair of FET modules A provided in the first and second module blocks 20A and 20B to the electric component 1, respectively. At this time, the output terminal 25 is configured with different positions according to the first and second module blocks 20A and 20B, and thereby the output terminal 25 is easily selected according to the control characteristics (rotation direction, position of three phases, etc.) So that it can be used.

The assembling of the assembling terminal 23 and the assembly groove 23 can be achieved only by assembling the appropriate number of module blocks to the control section 10 in accordance with the specification of the electric component 1 by the first and second module blocks 20A and 20B, Bridge circuit structure is physically connected by the fitting assembly of the current control device 2 and the power supply is applied to one selected module block, electricity flows to another assembled module block, Can be easily configured.

That is, the first module block 20A is constituted by a circuit which rotates the electric component 1 in the normal rotation (clockwise direction) by using the structure of the H bridge circuit, and the second module block 20B is constituted by the electric component 1 A current control device 2 capable of controlling the forward and reverse rotations by assembling the first and second module blocks 20A and 20B to each other and connecting them to the control unit 10, The current controller 2 can be controlled only in the corresponding direction by connecting any one of the module blocks selected from the first and second module blocks 20A and 20B to the controller 10. [

The main body 21 is provided with a temperature sensor (not shown) for detecting the temperature of the FET module A and transmits the temperature information detected through the temperature sensor to the control unit 10, The temperature is configured to be monitored in real time.

In this case, the first and second module blocks 20A and 20B are formed by embossing or embossing characters or graphics representing normal rotation and reverse rotation, or by different colors of the first and second module blocks 20A and 20B, It is configured to easily distinguish between positive and reverse rotation modules.

Hereinafter, a description will be given with reference to FIG. 6 showing an example of detecting a drive, a stop, and a drive error of a motor by using the modular current control apparatus according to the present invention.

When a user transmits a control signal to the current control device 2 by using a PC or the like in a state where external power for driving the electric component 1 and the current control device 2 is applied, The control unit 10 drives the electric component 1 and at the same time checks whether the sensing signal is received from the current sensing sensor S1 and the voltage sensing sensor S2 provided in the driving unit 20. [

At this time, if the sensing signal is not received from the current sensing sensor S1 and the voltage sensing sensor S2, the operation of the electric component 1 is stopped and information about the error is transmitted to the control unit 10, And detects whether or not a signal is received from the sensor S1 and the voltage detection sensor S2.

Here, the signal of the sensor may be at least one selected from the information of the temperature sensor, the speed of the electric component 1 by the encoder, and the like in addition to the current detection sensor S1 and the voltage detection sensor S2.

When the sensing signal is received from the sensor, the voltage value and the current value detected in real time are compared with the respective reference values (the reference voltage value and the reference current value). If the voltage value and the current value sensed in real- The driving of the component 1 is stopped, and then the corresponding error code is transmitted to the control unit 10.

If the voltage value and the current value received from the sensor are within the reference voltage value and the reference current value, the above-described step of receiving information sensed by the sensor again in real time while maintaining the driving of the electric component 1 and comparing the received information with a reference value It is repeatedly performed.

The user can quickly stop the operation of the electric component 1 when the overcurrent, overvoltage or overheating of the electric component 1 occurs and the user can quickly stop the operation of the display part 14 of the control part 10, So that the inspection and replacement according to the error can be performed promptly and accurately.

INDUSTRIAL APPLICABILITY As described above, the present invention can be used to control various kinds of electric components such as motors, coils, electromagnets, PTCs, and pumps, and the drive unit is appropriately assembled to the control unit And even if the specifications of the electric parts are changed, only the driving parts can be separated and replaced.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. It is to be understood that the scope of the present invention should not be interpreted as being limited only by the scope of the present invention and that the scope of the present invention should not be construed to be interpreted to limit the scope of the present invention. .

1: Electric component 2: Current control device
10: control unit 11: main circuit unit
12: power supply part 13: terminal connection part
14: display unit 15: communication module unit
20: driving part 20A: first module block
20B: second module block 21: main body
22: Connection terminal 23: Assembly terminal
24: Assembly groove 25: Output terminal
A: FET module E: Encoder
S1: Current sensor S2: Voltage sensor
SW: Control switch

Claims (5)

A current control device (2) configured to control the electric component (1)
The current control device (2)
A control unit (10) for receiving a control signal from a PC and calculating a control method of the electric component (1); And
A driving unit (20) for driving the electric component (1) by a control method calculated by the control unit (10);
Lt; / RTI >
The driving unit 20 includes:
A first module block 20A receiving power and control signals from the controller 10 and outputting the converted current values;
A second module block 20B which receives the power and control signals from the controller 10 while being assembled into the first module block 20A and outputs the converted current values;
And one or more selected from the first and second module blocks 20A and 20B are assembled to the control unit 10,
The first and second module blocks 20A,
A main body 21 formed in a block shape of a predetermined size;
A connection terminal 22 located at one side of the main body 21 and fitted into the control unit 10;
An assembly terminal 23 protruding from the upper surface of the main body 21 by a predetermined length and connected to a driving power source of the electric component 1;
An assembly groove (24) formed on the bottom surface of the main body (21) and having a size corresponding to the assembly terminal (23); And
An output terminal (25) located at another side of the main body (21) and outputting a current for controlling the electric component (1);
Lt; / RTI >
When power is applied to any one of the first and second module blocks 20A and 20B assembled by the assembly of the assembly terminal 23 and the assembly groove 24, And the power supplied from the assembly terminal 23 is outputted to the transmission part 1 through the output terminal 25 and the first and second module blocks 20A and 20B are assembled up and down So that an H-bridge circuit is physically formed,
Inside the first and second module blocks 20A and 20B,
A current sensing sensor S1 and a voltage sensing sensor S2 for measuring a current value and a voltage value respectively applied to the electric component 1,
The first and second module blocks 20A,
The positions of the output terminals 25 positioned up and down are different from each other,
The assembly terminal (23)
The assembly terminals 23 of the first and second module blocks 20A and 20B are positioned so as to be diagonal to each other while a pair of diagonally arranged corner portions of the upper surface of the main body 21 are installed,
The control unit (10)
A main circuit unit (11) for calculating and determining a control method of the electric component (1) based on a control signal applied from the PC;
A power supply unit 12 receiving power from the outside and supplying power to the main circuit unit 11;
A plurality of terminal connection portions 13 to which the first and second module blocks 20A and 20B are selectively assembled;
A display unit 14 for outputting control information of the main circuit unit 11 and a current value and a voltage value provided by the first and second module blocks 20A and 20B; And
A communication module unit 15 for receiving a control signal from the PC and transmitting the control signal to the main circuit unit 11;
/ RTI >
The terminal connection part (13) and the connection terminal (22)
Two power supply lines for supplying power from the control unit 10 and two power supply lines connected to the current sensing sensor S1 and the voltage sensing sensor S2 for providing the sensed information to the controller 10, And a 4-channel connector including an output line,
The first module block 20A is constituted by a circuit for rotating the electric component 1 in a clockwise direction and the second module block 20B is constituted by a circuit for rotating the electric component 1 in a counterclockwise direction A current control device 2 capable of controlling forward and reverse rotations is constructed by assembling the first and second module blocks 20A and 20B together and connecting the first and second module blocks 20A and 20B to the control unit 10, , And a module control unit (2) which is connected to the control unit (10) and is controllable in only one selected direction is constituted by a module block (20A, 20B) .
The method according to claim 1,
The driving unit 20 includes:
Wherein the control unit is replaceable in accordance with the specifications and control characteristics of the electric component (1).
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