CN213793483U

CN213793483U - High-speed wire rolling mill encoder fault alarm system

Info

Publication number: CN213793483U
Application number: CN202022307130.3U
Authority: CN
Inventors: 席艳春
Original assignee: Hebei Puyang Iron and Steel Co Ltd
Current assignee: Hebei Puyang Iron and Steel Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-27
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses an altitude rolling mill encoder fault alarm system, including the surveillance center and set up a plurality of rolling mill devices on the altitude production line, the rolling mill device includes controller, direct current motor, speed reducer, connecting axle, rolling mill body and rolling mill frame, direct current motor is connected with the speed reducer, the speed reducer passes through the connecting axle to be connected with the rolling mill body, the rolling mill body sets up on the rolling mill frame; the controller is electrically connected with the direct current motor and the encoder respectively; the controller is also electrically connected with a display screen, an alarm device and a wireless communication module, and the controller is in communication connection with the monitoring center through the wireless communication module. The utility model provides a high speed wire rolling mill encoder fault alarm system, simple structure, automatic level is high, the encoder that can a plurality of rolling mill devices of real-time supervision in time discovers the rolling mill motor's the trouble of falling to turn, avoids the emergence of pile steel accident.

Description

High-speed wire rolling mill encoder fault alarm system

Technical Field

The utility model relates to a rolling mill encoder fault detection technical field especially relates to an altitude rolling mill encoder fault alarm system.

Background

The rolling mill is an important production device of a high-speed wire factory, a plurality of rolling mills are usually arranged on the high-speed wire factory, each rolling mill is provided with an encoder, when the encoder is damaged, the rolling mill reports a fault, jumps to a vehicle and piles steel, and the phenomenon that the encoder damages the piled steel is frequently caused. At present, when all rolling mill encoders are manually inspected, whether the rotating speed of the rolling mill rotates or not is found, when the rotating speed is found, the encoders are timely replaced, so that faults can be found only by manual inspection, and steel piling can be caused when the rolling mill is not carefully inspected, time and labor are consumed, the labor cost is increased, and the fault monitoring is not accurate enough and timely.

Disclosure of Invention

The utility model aims at providing an altitude rolling mill encoder fault alarm system, simple structure, automatic level is high, and the emergence of piling the steel accident is avoided in the trouble that falls of discovery rolling mill motor in time to the encoder that can a plurality of rolling mill devices of real-time supervision.

In order to achieve the above object, the utility model provides a following scheme:

a fault alarm system for an encoder of a high-speed wire rolling mill comprises a monitoring center and a plurality of rolling mill devices arranged on a high-speed wire production line, wherein each rolling mill device comprises a controller, a direct-current motor, a speed reducer, a connecting shaft, a rolling mill body and a rolling mill base; the controller is electrically connected with the direct current motor and the encoder respectively; the controller is also electrically connected with a display screen, an alarm device and a wireless communication module, and the controller is in communication connection with the monitoring center through the wireless communication module.

Optionally, the controller is a PLC.

Optionally, the encoder model is EH15-G30-CP 1.

Optionally, the controller is electrically connected with the direct current motor through a motor execution circuit, the motor execution circuit comprises an optical coupling bidirectional silicon controlled rectifier driver circuit, a three-quadrant silicon controlled rectifier and a rectifier which are sequentially connected, the optical coupling bidirectional silicon controlled rectifier driver circuit is connected with the controller, and the rectifier is connected with the direct current motor.

Optionally, the alarm device is an audible and visual alarm, and the audible and visual alarm comprises an LED indicator light and a buzzer.

Optionally, the wireless communication module is a bluetooth module, a WiFi module, a LoRa communication module, or a ZigBee module.

Optionally, the system further includes a GPS positioning module, and the GPS positioning module is connected to the controller.

According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a high wire mill encoder fault alarm system sets up the controller respectively with encoder and direct current motor electric connection, the controller can control direct current motor's given rotational speed, can also acquire the actual rotational speed that the encoder gathered to real-time supervision actual rotational speed and the deviation of given rotational speed send alarm signal; the intelligent control can be realized by audible and visual alarm and display of the running state of the rolling mill through a display screen; the controllers of the rolling mill devices are in communication connection with the monitoring center through the wireless communication module, so that multi-point comprehensive monitoring is realized, and the monitoring comprehensiveness is improved; the system has high automation control level, can find the rotation failure of the motor of the rolling mill in time, improves the monitoring efficiency and avoids the occurrence of steel piling accidents.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a fault alarm system of an encoder of a high-speed wire rolling mill in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a motor execution circuit according to an embodiment of the present invention;

description of reference numerals: 1. a monitoring center; 2. a wireless communication module; 3. a controller; 4. an alarm device; 5. a display screen; 6. a GPS positioning module; 7. an encoder; 8. a direct current motor; 9. an optically coupled triac driver circuit; 10. three-quadrant thyristor; 11. a rectifier.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is a schematic structural diagram of an encoder fault alarm system of a high-speed wire rolling mill according to an embodiment of the present invention, which includes a monitoring center 1 and a plurality of rolling mill devices arranged on a high-speed wire production line, wherein each rolling mill device includes a controller 3, a dc motor 8, a speed reducer, a connecting shaft, a rolling mill body and a rolling mill base, the dc motor 8 is connected with the speed reducer, the speed reducer is connected with the rolling mill body through the connecting shaft, and the rolling mill body is arranged on the rolling mill base; the direct current motor 8 is coaxially provided with an encoder 7, and the controller 3 is electrically connected with the direct current motor 8 and the encoder 7 respectively; the controller 3 is also electrically connected with a display screen 5, an alarm device 4 and a wireless communication module 2, and the controller 3 is in communication connection with the monitoring center 1 through the wireless communication module 2.

Wherein, the controller 3 is a PLC. The encoder 7 is of the type EH15-G30-CP 1.

The controller 3 is electrically connected with the direct current motor 8 through a motor execution circuit, the motor execution circuit comprises an optical coupling bidirectional silicon controlled rectifier driver circuit 9, a three-quadrant silicon controlled rectifier 10 and a rectifier 11 which are sequentially connected, the optical coupling bidirectional silicon controlled rectifier driver circuit 9 is connected with the controller 3, and the rectifier 11 is connected with the direct current motor 8.

The alarm device 4 is an audible and visual alarm which comprises an LED (light emitting diode) prompting lamp and a buzzer.

The wireless communication module 2 is a Bluetooth module, a WiFi module, a LoRa communication module or a ZigBee module.

The system also comprises a GPS positioning module 6, wherein the GPS positioning module 6 is connected with the controller 3. The GPS positioning module 6 can monitor each rolling mill device at a fixed point, so that the rolling mill is judged to be in fault in time.

The utility model discloses combine the on-the-spot production condition, utilize the actual speed return signal that the given speed of controller control rolling mill device and encoder were surveyed to carry out the comparison, when given rotational speed differed with actual rotational speed and was greater than 50 when changeing, in time discover the trouble that falls of rolling mill motor, the controller sends the encoder and damages early warning signal, then the encoder is changed to the inspection reason that parks to avoid piling the steel.

The utility model provides a high wire mill encoder fault alarm system sets up the controller respectively with encoder and direct current motor electric connection, the controller can control direct current motor's given rotational speed, can also acquire the actual rotational speed that the encoder gathered to real-time supervision actual rotational speed and the deviation of given rotational speed send alarm signal; the running state of the rolling mill can be displayed through the audible and visual alarm and the display screen; the controllers of the rolling mill devices are in communication connection with the monitoring center through the wireless communication module, so that multi-point comprehensive monitoring is realized, and the monitoring comprehensiveness is improved; the system has high automation control level, can find the rotation failure of the motor of the rolling mill in time, improves the monitoring efficiency and avoids the occurrence of steel piling accidents.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The fault alarm system for the encoder of the high-speed wire rolling mill is characterized by comprising a monitoring center and a plurality of rolling mill devices arranged on a high-speed wire production line, wherein each rolling mill device comprises a controller, a direct-current motor, a speed reducer, a connecting shaft, a rolling mill body and a rolling mill base; the controller is electrically connected with the direct current motor and the encoder respectively; the controller is also electrically connected with a display screen, an alarm device and a wireless communication module, and the controller is in communication connection with the monitoring center through the wireless communication module.

2. The wire rolling mill encoder fault alarm system of claim 1, wherein the controller is a PLC.

3. The wire rod mill encoder fault alarm system of claim 1, wherein the encoder model is EH15-G30-CP 1.

4. The fault alarm system for the encoder of the high speed wire rolling mill as claimed in claim 1, wherein the controller is electrically connected with the direct current motor through a motor execution circuit, the motor execution circuit comprises an optical coupling bidirectional silicon controlled rectifier driver circuit, a three-quadrant silicon controlled rectifier and a rectifier which are sequentially connected, the optical coupling bidirectional silicon controlled rectifier driver circuit is connected with the controller, and the rectifier is connected with the direct current motor.

5. The fault alarm system for the encoder of the high-speed wire rolling mill as claimed in claim 1, wherein the alarm device is an audible and visual alarm, and the audible and visual alarm comprises an LED (light-emitting diode) prompting lamp and a buzzer.

6. The fault alarm system for the high wire rolling mill encoder as claimed in claim 1, wherein the wireless communication module is a bluetooth module, a WiFi module, a LoRa communication module or a ZigBee module.

7. The wire rolling mill encoder fault alarm system of claim 1, further comprising a GPS location module connected with the controller.