Steel rail conveying roller line control system

Abstract

The utility model relates to a steel rail conveying roller line control system, which belongs to the technical field of steel rail transmission, and comprises an operation table, a first control unit, a second control unit, a third control unit and a fourth control unit, and the operation table is respectively in communication connection with the first control unit, the second control unit, the third control unit and the fourth control unit. The first control unit, the second control unit, the third control unit and the fourth control unit are connected in series through optical fibers, each of the first control unit, the second control unit, the third control unit and the fourth control unit comprises a PLC (Programmable Logic Controller) and an optical fiber switch, and the PLC is connected with the optical fiber switch through the Ethernet. According to the utility model, the technical problems of high system failure rate and low production efficiency in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transmission, in particular to a rail conveying roller track control system. Background Art

[0002] In the control system of the rail conveyor line of the rail welding base, the welding conveyor line mainly has 4 electric cabinets, each of which is installed in 4 workshops, and each workshop is 100 meters apart. At present, the control between the electric cabinets mainly adopts the shielded cable serial communication method. Due to the long distance, communication interference often occurs, and the controller module is aged and cannot be updated, resulting in a high system failure rate and low production efficiency. Therefore, there are technical problems in the prior art such as high system failure rate and low production efficiency. Utility Model Content

[0003] In view of this, it is necessary to provide a rail conveyor roller track control system to solve the technical problems of high system failure rate and low production efficiency in the prior art.

[0004] In order to achieve the above object, the utility model provides a rail conveyor roller track control system, comprising:

[0005] An operating console, a first control unit, a second control unit, a third control unit and a fourth control unit;

[0006] The operating console is communicatively connected with the first control unit, the second control unit, the third control unit and the fourth control unit respectively;

[0007] The first control unit, the second control unit, the third control unit and the fourth control unit are connected in series via optical fibers;

[0008] Wherein, the first control unit, the second control unit, the third control unit and the fourth control unit all include: a PLC and a fiber optic switch;

[0009] The PLC is connected to the optical fiber switch via Ethernet. In a possible implementation, the system further includes: a first motor drive unit, which is communicatively connected to the first control unit.

[0010] In a possible implementation, the system further includes: a second motor drive unit, and the second motor drive unit is communicatively connected to the second control unit.

[0011] In a possible implementation, the system further includes: a third motor drive unit, and the third motor drive unit is communicatively connected to the third control unit.

[0012] In a possible implementation, the system further includes: a fourth motor drive unit, which is communicatively connected to a fourth control unit.

[0013] In a possible implementation, the system further includes a pigtail and an optical terminal box; the optical fiber and the pigtail are connected via the optical terminal box.

[0014] In a possible implementation, the pigtail is: ST-ST multimode.

[0015] In a possible implementation, the optical fiber is a multimode optical fiber.

[0016] In a possible implementation, the optical terminal box is equipped with an ST-ST flange head.

[0017] In a possible implementation, the fiber optic switch is used to receive and send optical signals.

[0018] The utility model provides a rail conveyor roller line control system, comprising: an operation table, a first control unit, a second control unit, a third control unit and a fourth control unit, the operation table is respectively connected to the first control unit, the second control unit, the third control unit and the fourth control unit for communication, the first control unit, the second control unit, the third control unit and the fourth control unit are connected in series through optical fibers, and the purpose of this is to adopt optical fiber communication; wherein the first control unit, the second control unit, the third control unit and the fourth control unit all comprise: a PLC and an optical fiber switch, the PLC and the optical fiber switch are connected through Ethernet, and the purpose of this is to allow the control unit to support Ethernet communication, and Ethernet communication can achieve real-time response of the control system compared to serial communication, stable communication, low failure rate, and improved production efficiency; the controller unit in the prior art generally adopts a shielded line serial communication mode, and due to the long distance, communication interference often occurs, the utility model mainly adopts optical fiber communication between the control units, and Ethernet communication is adopted inside the control unit, and this can achieve real-time response of the control system, stable communication, low failure rate, and improved production efficiency, thereby solving the technical problems of high system failure rate and low production efficiency in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the rail conveying roller track control system of the utility model;

[0020] Figure 2 This is the principle diagram of the rail conveying roller track control system of the utility model;

[0021] Figure 3 The present invention is a schematic diagram of the structure of a control unit of an embodiment of a rail conveyor roller track control system of the present invention. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0023] Figure 1 The structure diagram of the rail conveyor roller track control system 100 of the utility model is shown in FIG. Figure 2 The schematic diagram of the rail conveyor roller track control system 100 of the utility model and Figure 3 The schematic diagram of the structure of a control unit of an embodiment of the rail conveyor roller track control system 100 of the utility model comprises:

[0024] An operation console 110, a first control unit 120, a second control unit 130, a third control unit 140 and a fourth control unit 150;

[0025] The operation console 110 is communicatively connected to the first control unit 120 , the second control unit 130 , the third control unit 140 , and the fourth control unit 150 ;

[0026] The first control unit 120, the second control unit 130, the third control unit 140 and the fourth control unit 150 are connected in series via optical fibers;

[0027] The first control unit 120, the second control unit 130, the third control unit 140 and the fourth control unit 150 all include: a PLC and a fiber optic switch;

[0028] The PLC is connected to the fiber optic switch via Ethernet.

[0029] It can be understood that the rail conveyor roller line control system provided by the utility model adopts optical fiber communication and Ethernet communication. Compared with serial port communication, it can realize real-time response of the control system, stable communication, low failure rate, and improve production efficiency.

[0030] It should be noted that the first control unit 120 includes: a first PLC 121 and a first fiber switch 122, and the first PLC 121 and the first fiber switch 122 are connected via Ethernet;

[0031] The second control unit 130 includes: a second PLC 131 and a second fiber switch 132, and the second PLC 131 and the second fiber switch 132 are connected via Ethernet;

[0032] The third control unit 140 includes: a third PLC 141 and a third optical fiber switch 142, and the third PLC 141 and the third optical fiber switch 142 are connected via Ethernet;

[0033] The fourth control unit 150 includes: a fourth PLC 151 and a fourth fiber switch 152 , and the fourth PLC 151 and the fourth fiber switch 152 are connected via Ethernet.

[0034] It can be further understood that the control units are assigned different IP addresses respectively. The operation station exchanges data with the first control unit 120 and sends commands to the first control unit 120. The first control unit 120 simultaneously communicates with the second control unit 130, the third control unit 140 and the fourth control unit 150 via Ethernet PN bus. The second control unit 130, the third control unit 140 and the fourth control unit 150 execute the forward operation command in real time, and the motors of the four units on the conveyor roller line run in real time, and the rails are conveyed forward. When an interlocking signal is detected on the roller line, the forward and backward movement of the roller line is stopped in real time to prevent accidents. The operation station can display the trip alarm signal fed back by the motor in real time, and reflect the maintenance of the staff in a timely manner.

[0035] The control system consists of an operating station, 4 control units, and 4 drive units. The 4 control units communicate data and are networked via optical fiber. The control system can monitor the IO data of each unit in real time.

[0036] In some embodiments of the present invention, the system further includes: a first motor drive unit, and the first motor drive unit is communicatively connected to the first control unit 120 .

[0037] In some embodiments of the present invention, the system further includes: a second motor drive unit, and the second motor drive unit is communicatively connected to the second control unit 130 .

[0038] In some embodiments of the present invention, the system further includes: a third motor drive unit, and the third motor drive unit is communicatively connected to the third control unit 140 .

[0039] In some embodiments of the present invention, the system further includes: a fourth motor drive unit, and the fourth motor drive unit is communicatively connected to the fourth control unit 150 .

[0040] It can be understood that the first control unit 120 is a master control, and the second control unit 130 , the third control unit 140 and the fourth control unit 150 are slave controls respectively.

[0041] It can be further understood that the control unit also includes: an I / O module.

[0042] It can be further understood that the motor drive unit is controlled by a frequency converter, the frequency converter drives the motor to drive the actuator to work, and the frequency converter model is ATV320.

[0043] The roller track interlocking signal uses an intermediate relay RXM2AB2BD and uses one of the contacts to enter the control unit.

[0044] The motor feedback signal uses the contact GVAE1 of the thermal magnetic circuit breaker. The contact signal is connected to the control unit.

[0045] In some embodiments of the present invention, the system further includes a pigtail and an optical terminal box; the optical fiber and the pigtail are connected via the optical terminal box.

[0046] In some embodiments of the present invention, the pigtail is: ST-ST multimode.

[0047] In some embodiments of the present invention, the optical fiber is: a multimode optical fiber.

[0048] It can be understood that the multimode optical fiber model is: GYTA4B.

[0049] In some embodiments of the present invention, the optical terminal box is equipped with an ST-ST flange head.

[0050] In some embodiments of the present invention, the optical fiber switch is used to receive and send optical signals. It can be further understood that the operation station 110 is mainly used to perform system operation control, using Weiluntong MT8106.

[0051] It can be further understood that the optical fiber switch uses IES318-2F. It is mainly used to receive and send optical signals and convert optical signals into electrical signals. The optical fiber uses multimode optical fiber, model GYTA4B, the pigtail uses ST-ST multimode, and the optical terminal box is equipped with ST-ST flange head.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A rail conveyor roller track control system, characterized in that: include: An operating console, a first control unit, a second control unit, a third control unit and a fourth control unit; The operating console is communicatively connected with the first control unit, the second control unit, the third control unit and the fourth control unit respectively; The first control unit, the second control unit, the third control unit and the fourth control unit are connected in series via optical fibers; Wherein, the first control unit, the second control unit, the third control unit and the fourth control unit all include: a PLC and a fiber optic switch; The PLC is connected to the fiber optic switch via Ethernet.

2. The rail conveyor roller track control system according to claim 1, characterized in that: The system further includes: a first motor drive unit, which is communicatively connected with the first control unit.

3. The rail conveyor roller track control system according to claim 2, characterized in that: The system further includes: a second motor drive unit, which is communicatively connected with the second control unit.

4. The rail conveyor roller track control system according to claim 3, characterized in that: The system further includes: a third motor drive unit, which is communicatively connected with the third control unit.

5. The rail conveyor roller track control system according to claim 4, characterized in that: The system further includes: a fourth motor drive unit, which is communicatively connected with the fourth control unit.

6. The rail conveyor roller track control system according to claim 5, characterized in that: The system also includes a pigtail and an optical terminal box; the optical fiber and the pigtail are connected via the optical terminal box.

7. The rail conveyor roller track control system according to claim 6, characterized in that: The pigtail is: ST-ST multimode.

8. The rail conveyor roller track control system according to claim 6, characterized in that: The optical fiber is a multimode optical fiber.

9. The rail conveyor roller track control system according to claim 6, characterized in that: The optical terminal box is equipped with an ST-ST flange head.

10. The rail conveyor roller track control system according to claim 1, characterized in that: The optical fiber switch is used to receive and send optical signals.

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