KR101178059B1 - Apparatus for controlling and diagnosis of scene motor using wireless - Google Patents

Abstract

PURPOSE: A diagnosis and control apparatus is provided to obtain operating state and diagnosis state of a motor in the industrial site by using 3G/WIFI function of a portable communications terminal. CONSTITUTION: A diagnosis and control apparatus is comprised of a portable communication terminal(100), a central control chamber(300), a wireless access point(400), an MCC(Motor control center) panel(500), and a plurality of motors(601-600+N). The portable communication terminal wirelessly inquires into state diagnosis of a field motor and indicates a state diagnosis query result in screen. The central control chamber receives a motor control command or a state diagnosis query command transferred from the portable communication terminal. The MCC panel receives the motor control command or the state diagnosis query command from the central control chamber through a wire or directly receives it from the portable communication terminal through the wireless access point. The MCC panel controls a field motor or diagnoses the state of the field motor. The MCC panel outputs a state diagnosis query result.

Description

Apparatus for controlling and diagnosis of scene motor using wireless}

The present invention relates to an apparatus for diagnosing and controlling an on-site motor using wireless, and more particularly, to monitor and control an on-site motor used in a water treatment process using a wireless communication device (tablet device, smartphone, etc.). The present invention relates to a device for diagnosing and controlling an on-site motor using a wireless device so that it can be conveniently processed.

In general, a device for controlling a plurality of electric devices (eg, motors) installed at a water treatment site is a motor control center (MCC) panel 10, a central control room 20, as shown in FIG. 1. ) And a plurality of motors 31, ..., 30 + N.

The general water treatment apparatus configured as described above receives the control command from the central control room 20 through the MCC panel 10, and starts the motor 30. Control is achieved through a plurality of field operators 41, ..., 40 + N.

This general water treatment device has a lot of installation and maintenance costs compared to the frequency of use of a number of field control panels installed in the field, and the space for the machine room is narrowed due to the cable for connecting the MCC panel and the plurality of field control panels There was a problem.

In order to solve all the problems occurring in such a general water treatment apparatus, the conventionally proposed, the Republic of Korea Patent Publication No. 10-0513499 (registered on September 1, 2005) (name of the invention: wireless motor control device) (hereinafter, Prior art ".

In the disclosed prior art, an MCC panel 52 composed of a plurality of units 51 for controlling the motor 60 is installed in an electric chamber or a machine chamber 50, and is connected to the unit 51 to wirelessly transmit and receive a control signal. The control device 53 is installed, the desk panel 71 is installed in the central control room 70, is connected to the desk panel 71 to transmit and receive a control signal and wireless communication with the wireless control device 53. Another wireless control device 72 is installed, and wirelessly communicates with the wireless control devices 53 and 72 installed in the electric room or the machine room 50 or the central control room 70 to control the motor 60. Wireless remote controller 80 is provided, the MCC panel 52 and the motors 60 and the desk panel 71 of the field is installed so that power is supplied by a power wire.

This conventional technology replaces a plurality of electric wires that transmit control signals by connecting MCC panels, desk panels and local panels in industrial sites with wireless devices, thereby reducing the convenience of construction and the cost of electrical construction and maintenance. .

In particular, one wireless remote controller replaces the local panel of a typical water treatment device, as well as replacing multiple strands of control wire.

1. Registered Patent Publication No. 10-0513499 (registered on September 1, 2005) in Korea Patent Office (Invention: Wireless Motor Control Device)

However, the prior art as described above has the advantage that by replacing the control wire for transmitting the control signal with a wireless, to solve the inconvenience of the construction of the control wire, and the cost saving and easy maintenance according to the construction of the control wire, On the other hand, there is a disadvantage in that it is not possible to diagnose the condition of a plurality of motors installed in the field remotely.

Therefore, it was not possible to check the abnormality of the motor until a failure occurred in the motor, which caused a serious problem such as a sudden stop of operation due to the failure of the motor.

Accordingly, the present invention has been proposed to solve various problems occurring in the general water treatment apparatus as described above and various problems occurring in the prior art.

The problem to be solved by the present invention is to monitor and control the field motor used in the water treatment process by using a portable communication device (tablet device, smart phone, etc.) to wirelessly handle the field motor using wireless To provide a diagnostic and control device.

Another problem to be solved by the present invention is to monitor the condition of the motor and to replace the on-site operation panel for controlling the wireless to the field motor using the wireless to enable a significant reduction in the cost required to construct and operate the on-site operation panel and To provide a control device.

Another problem to be solved by the present invention is to display the status diagnosis information of the motor on a portable communication device carried by the operator to inform the operator in advance of the operating state and replacement cycle of the motor to stop the operation due to sudden problems such as equipment failure The present invention provides a device for diagnosing and controlling an on-site motor using a wireless device to prevent such problems.

According to the present invention for solving the above problems, "Diagnostic and control device of the field motor using wireless,"

A portable communication terminal which wirelessly sends a control command of the field motor, inquires a status diagnosis of the field motor, and displays a status diagnosis inquiry result on a screen;

A central control room for receiving a motor control command or a status diagnosis inquiry command transmitted wirelessly from the portable communication terminal;

Receives the motor control command or status diagnosis inquiry command transmitted via the wire from the central control room, or directly receives the motor control command or status diagnosis inquiry command from the portable communication terminal through a wireless access point, and the associated field motor It characterized in that it comprises a MCC panel for controlling or diagnosing the state of the field motor and outputs the status diagnosis inquiry result.

In the above, the portable communication terminal,

The 3G / 4G wireless communication method may be connected to the central control room through the Internet to transmit a motor control command or a status diagnosis inquiry command and receive a status diagnosis inquiry result through the Internet.

In the above, the portable communication terminal,

By connecting to the MCC panel through the wireless access point in a Wi-Fi (WiFi) wireless communication method, and transmits a motor control command or status diagnosis inquiry command, and receives a status diagnosis inquiry result through the wireless access point. .

The MCC panel may be connected to the central control room or the wireless access point to receive a motor control command or a status diagnosis inquiry command, and transmit a status diagnosis inquiry result of diagnosing a motor to the central control room or the wireless access point. ;

A motor diagnosis device for performing a diagnosis of a motor installed at a site in association with the communication control device and transferring a diagnosis signal as a result of the diagnosis to the communication control device;

And an MCC panel control device for driving a connected motor according to a motor control command transmitted from the communication control device, detecting a state of the motor, and transmitting a state signal to the communication control device.

The communication control device receives a motor control command or status diagnosis inquiry command transmitted from a router provided in the central control room, or receives a motor control command or status diagnosis inquiry command transmitted from the wireless access point, and the router or wireless A communication processor for transmitting a status diagnosis inquiry result to the access point;

In connection with the communication processing unit, a motor control command is transmitted to an MCC panel control device, and a status signal transmitted from the MCC panel control device and a diagnostic signal transmitted from the motor diagnostic device are received to receive a status diagnosis inquiry result. It includes a monitoring control unit for transmitting.

The communication control apparatus may include a memory for storing the motor control command, the status diagnosis inquiry command, the status diagnosis inquiry result, and storing user information for user authentication;

The apparatus may further include a user authentication unit configured to authenticate the user by comparing the user information of the portable communication terminal delivered through the communication processor with the user information stored in the memory.

According to the present invention, by using the 3G / WIFI function of the portable communication terminal to obtain the operating status and diagnostic status of the electric machine (for example, the motor) of the industrial field, and can conveniently drive the equipment directly and wirelessly in the field There is an advantage.

In addition, according to the present invention can greatly reduce the number of control wires for controlling the electric equipment installed in a number of sites, and the general-purpose portable device is easy for operators to operate the field equipment by replacing the field operation panel of each site It has the advantage of greatly reducing the cost of constructing and operating the field control panel.

In addition, according to the present invention by displaying the status diagnostic information of the electric machine on the portable communication device can inform the operator in advance of the operating status and replacement cycle of the device, without the difficulty of the operation is stopped due to sudden problems such as equipment failure It has the advantage of helping to operate the system.

1 is a schematic configuration diagram of a wireless motor control apparatus according to the prior art.
2 is a block diagram of an apparatus for diagnosing and controlling a field motor using wireless according to the present invention.
3A and 3B are a control flowchart of a 3G / 4G wireless communication method and a WIFI wireless communication method in the present invention.
4 is a configuration diagram showing an embodiment of the MCC panel of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

2 is a block diagram of an apparatus for diagnosing and controlling an on-site motor using wireless according to the present invention, the portable communication terminal 100, the Internet 200, the central control room 300, the wireless access point 400, and the MCC panel ( 500) and a plurality of motors (601 to 600 + N).

The portable communication terminal 100 wirelessly sends a control command of a field motor, inquires a status diagnosis of the field motor, and displays a status diagnosis inquiry result on a screen, such as a smartphone, a tablet device, and personal information. It is preferable to implement with a terminal (PDA) or the like.

The portable communication terminal 100 is connected to the central control room 300 through the Internet 200 in a 3G / 4G wireless communication method, as shown in Figure 3a, and transmits a motor control command or status diagnosis inquiry command Then, the status diagnosis inquiry result is received through the Internet 200.

In addition, the portable communication terminal 100 is connected to the MCC panel 500 through the wireless access point 400 in a Wi-Fi (WIFI) wireless communication method, as shown in Figure 3b, a motor control command or status diagnosis The inquiry command is transmitted, and the status diagnosis inquiry result is received through the wireless access point 400.

The communication is performed by these two wireless methods.

The Internet 200 is a general network device, and the central control room 300 receives a motor control command or a status diagnosis inquiry command wirelessly transmitted from the portable communication terminal 100, and status diagnosis inquiry according to the inquiry command. It serves to deliver the result to the portable communication terminal (100).

Here, the central control room 300 receives the data through the Internet 200, transmits the received data to the MCC panel 500, and transmits the status diagnosis inquiry result transmitted from the MCC panel 500 to the Internet ( It is preferable to include a router that serves to deliver to the portable communication terminal 100 through the 200.

The MCC panel 500 receives the motor control command or status diagnosis inquiry command transmitted through the wire from the central control room 300 or directly from the portable communication terminal 100 through the wireless access point 400. Receives a control command or status diagnosis inquiry command, controls the associated field motor or diagnoses the state of the field motor, and outputs the status diagnosis inquiry result.

In this case, the MCC panel 500 is connected to the central control room 300 or the wireless access point 400 to receive a motor control command or a status diagnosis inquiry command, and a status diagnosis inquiry result of diagnosing a motor is displayed in the central control room 300. Or a communication control device 510 for transmitting to the wireless access point 400; A motor diagnosis device 520 for performing a diagnosis of a motor installed at a site in association with the communication control device 510 and transferring a diagnosis signal that is a result of the diagnosis to the communication control device 510; An MCC panel controller 530 which drives a connected motor according to a motor control command transmitted from the communication controller 510, detects a state of the motor, and transmits a state signal to the communication controller 510. .

Here, the communication control device 510 receives a motor control command or status diagnosis inquiry command transmitted from a router provided in the central control room 300 or a motor control command or status diagnosis inquiry command transmitted from the wireless access point 400. A communication processing unit 511 for receiving a message and transmitting a status diagnosis inquiry result to the router or a wireless access point; In connection with the communication processing unit 511, transmits a motor control command to the MCC panel control device, receives a status signal transmitted from the MCC panel control device 530 and a diagnostic signal transmitted from the motor diagnostic device to the communication processing unit A monitoring control unit 512 for transmitting a status diagnosis inquiry result to 511; A memory 513 for storing the motor control command, the status diagnosis inquiry command, the status diagnosis inquiry result, and storing user information for user authentication; And a user authentication unit 514 for authenticating a user by comparing the user information of the portable communication terminal delivered through the communication processing unit 511 with the user information stored in the memory.

Diagnostic and control device for a field motor using a wireless according to the present invention configured as described above, the operator (user) first by using the portable communication terminal 100 carried by his own to the MCC panel 500 installed on the remote site in the motor The control command or status diagnosis inquiry command is transmitted wirelessly.

In this case, when the wireless communication method is the 3G / 4G communication method, the generated motor control command or status diagnosis inquiry command is received by the router of the central control room 300 through the Internet 200. Although the motor control command or the status diagnosis inquiry command has been described as being selectively generated, it is also possible to simultaneously transmit the motor control command and the status diagnosis inquiry command. In addition, the generated motor control command or status diagnosis inquiry command includes user information for authenticating the user, and the user information may use a phone number or a unique number (ID) assigned separately.

In addition, when the wireless communication method is a Wi-Fi communication method, the generated motor control command or status diagnosis inquiry command is received by the communication control device 510 of the MCC panel 500 through the wireless access point 400 serving as a base station. Although the motor control command or the status diagnosis inquiry command has been described as being selectively generated, it is also possible to transmit the motor control command and the status diagnosis inquiry command to the city as needed. In addition, the generated motor control command or status diagnosis inquiry command includes user information for authenticating the user, and the user information may use a phone number or a unique number (ID) assigned separately.

The central control room 300 transmits the received motor control command or status diagnosis inquiry command to the communication control device 510 of the MCC panel 500 connected through the router.

The communication processing unit 511 of the communication control unit 510 receives a motor control command or status diagnosis inquiry command through a router or a wireless access point, and the user authentication unit 514 receives the received motor control command or status diagnosis inquiry command. The user information included in the extracted user information is compared with the registered user information pre-stored in the memory 513, and the user authentication process is performed by matching. As a result of performing the user authentication process, if the user is not registered, the communication is terminated and the received command data is discarded. On the other hand, if a registered user is recognized as a valid user, the received command data is stored in the memory 513, and the command data is transferred to the monitoring control unit 512 so that subsequent processing is performed.

The monitoring control unit 512 receives the command data transmitted and, in the case of a motor driving command, transmits a motor control command through the MCC panel control device 530, and according to the motor control command, the MCC panel control device 530. Will drive the connected motor. Here, since the method of driving the motor is the same as the existing method, a detailed description thereof will be omitted.

In addition, the MCC panel control unit 530 drives the motor provided in the field, and detects the state of the motor and transmits a state signal to the monitoring control unit 512.

In addition, the monitoring control unit 512 receives the transmitted command data, and if the motor status diagnosis inquiry command to transmit it to the motor diagnostic device 520, the motor diagnostic device 520 according to the received motor status diagnosis inquiry command The motor of the associated site is diagnosed, and the diagnostic signal, which is the result of the diagnosis, is transmitted to the monitoring control unit 512.

Here, the method of diagnosing the motor or inquiring the state of the motor mainly uses a method of determining whether the motor is abnormal by measuring the motor load current, but other than this method, a specific current value is transmitted to the motor and the load This can be checked using the method of measuring the current or by generating the operating current with the motor and measuring the motor torque. In particular, since it is possible to know whether or not the motor is abnormal according to the load current or torque, it is possible to determine the replacement time or failure of the motor by analyzing this. Here, the method of determining whether the motor is broken or the replacement time using a load current or torque is a well-known technique, and thus detailed description thereof will be omitted.

The monitoring control unit 512 receives the status signal from the MCC panel control unit 530, receives the diagnostic signal from the motor diagnosis apparatus 520, and generates the status diagnosis inquiry result data (status diagnosis inquiry result) by adding the memory signals. The data is stored in 513 and transferred to the communication processor 511.

The communication processing unit 511 transmits the status diagnosis inquiry result data to the router or the wireless access point 400 of the central control room 300 according to the wireless communication method of the command first received.

When the router receives the status diagnosis query result, the data format is converted into a 3G / 4G wireless communication method, and the status diagnosis query result information is transmitted to the portable communication terminal 100 through the Internet 200, and the wireless access point ( In the case of receiving the status diagnosis inquiry result at 400, the data format is converted into the data format of the WIFI wireless communication method and transmitted to the portable communication terminal 100.

In the portable communication terminal 100, after processing the status diagnosis inquiry result transmitted and displaying it on the screen, the user (operator) can easily recognize the state of the electric equipment (motor) installed in the field remotely. .

After that, based on the result of the recognition, if the motor fails, the following steps are taken promptly, and the sudden stop of the motor prevents problems in the entire industrial site.

The present invention described above, by using the 3G (4G) / WIFI function of the portable communication terminal to acquire the operating status and diagnostic status of the industrial electric equipment (for example, the motor), and easily and directly drive the equipment wirelessly in the field It is possible to greatly reduce the number of control wires for controlling the electric machines installed in many sites, and it is easy to operate the on-site facilities of the operators by replacing the on-site control panel of each site with general-purpose portable devices. In addition, the cost of constructing and operating an on-site control panel can be greatly reduced.

In addition, by displaying the status diagnosis information of the electric equipment on the portable communication device, it is possible to inform the operator in advance of the operation status and replacement cycle of the device, so that the system can be operated without difficulty such as interruption of operation due to a sudden problem such as a device failure. There is an advantage to promote it.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

100... Portable communication terminal
200 ... Internet
300 ... Central control room
400 ... Wireless access point
500... MCC Panel
510... Communication control device
520... Motor diagnosis device
530... MCC Panel Controls

Claims (6)

A portable communication terminal which wirelessly inquires the status diagnosis of the field motor and displays a status diagnosis inquiry result on a screen;
A central control room for receiving a motor control command or a status diagnosis inquiry command transmitted wirelessly from the portable communication terminal; And
Receives the motor control command or status diagnosis inquiry command transmitted via the wire from the central control room, or directly receives the motor control command or status diagnosis inquiry command from the portable communication terminal through a wireless access point, and the associated field motor It includes a motor control center (MCC) panel for controlling or diagnosing the status of the field motor and outputs the status diagnosis inquiry result,
The MCC panel is connected to the central control room or the wireless access point to receive a motor control command or status diagnosis inquiry command, and transmits a status diagnosis inquiry result of diagnosing a motor to the central control room or the wireless access point. Wow;
A motor diagnosis device for performing a diagnosis of a motor installed at a site in association with the communication control device and transferring a diagnosis signal as a result of the diagnosis to the communication control device;
An MCC panel control device which drives a connected motor according to a motor control command transmitted from the communication control device, detects a state of the motor, and transmits a state signal to the communication control device;
The communication control device receives a motor control command or status diagnosis inquiry command transmitted from a router provided in a central control room, or receives a motor control command or status diagnosis inquiry command transmitted from the wireless access point, and the router or wireless access. A communication processor for transmitting a status diagnosis inquiry result to a point;
In connection with the communication processing unit, a motor control command is transmitted to an MCC panel control device, and a status signal transmitted from the MCC panel control device and a diagnostic signal transmitted from the motor diagnostic device are received to receive a status diagnosis inquiry result. Diagnostic and control device for a field motor using a wireless, characterized in that it comprises a monitoring control unit for transmitting.
The method of claim 1, wherein the portable communication terminal,
The on-site motor using the wireless, characterized in that the 3G or 4G wireless communication method connected to the central control room via the Internet, transmits a motor control command or status diagnosis inquiry command, and receives a status diagnosis inquiry result through the Internet. Diagnostics and Controls.
The method of claim 1, wherein the portable communication terminal,
By connecting to the MCC panel through the wireless access point in a Wi-Fi wireless communication method, transmits a motor control command or status diagnosis inquiry command, and receives a status diagnosis inquiry result through the wireless access point Diagnosis and control device of field motor using wireless.
delete delete The apparatus of claim 1, wherein the communication control device comprises: a memory configured to store the motor control command, a status diagnosis inquiry command, a status diagnosis inquiry result, and store user information for user authentication;
And a user authentication unit for authenticating a user by comparing the user information of the portable communication terminal transmitted through the communication processor with the user information stored in the memory.

Images