阅读说明：本技术 轧钢轧机电机油位传感器远程自动控制装置及方法 (Remote automatic control device and method for oil level sensor of motor of steel rolling mill ) 是由 兰殿振 王玉龙 宋磊 王吉亮 汤健合 于 2021-08-31 设计创作，主要内容包括：本发明公开了电机油位远程控制技术领域的一种轧钢轧机电机油位传感器远程自动控制装置。该轧钢轧机电机油位传感器远程自动控制装置包括机电液设备、与所述机电液设备输出端连接的LED液晶屏无纸记录仪,与LED液晶屏无纸记录仪输出端通过4G无线连接的4G网络远程终端以及与4G网络远程终端输出端连接的远程自动控制单元。本发明还公开了一种轧钢轧机电机油位传感器远程自动控制方法。这种轧钢轧机电机油位传感器远程自动控制装置和方法便于指导操作人员精准操作,确保设备人员的安全,降低劳动强度、提高工作效率,应用到现场实践生产中,取得了良好的经济效益。(The invention discloses a remote automatic control device for a motor oil level sensor of a steel rolling mill, belonging to the technical field of motor oil level remote control. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill comprises electro-mechanical-hydraulic equipment, an LED liquid crystal screen paperless recorder connected with the output end of the electro-mechanical-hydraulic equipment, a 4G network remote terminal wirelessly connected with the output end of the LED liquid crystal screen paperless recorder through 4G, and a remote automatic control unit connected with the output end of the 4G network remote terminal. The invention also discloses a remote automatic control method of the oil level sensor of the motor of the steel rolling mill. The remote automatic control device and the method for the oil level sensor of the motor of the steel rolling mill are convenient for guiding operators to operate accurately, ensure the safety of equipment personnel, reduce the labor intensity and improve the working efficiency, are applied to field practice production, and obtain good economic benefits.)

1. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill is characterized by comprising an electro-mechanical liquid device, an LED liquid crystal screen paperless recorder connected with the output end of the electro-mechanical liquid device, a 4G network remote terminal wirelessly connected with the output end of the LED liquid crystal screen paperless recorder through 4G, and a remote automatic control unit connected with the output end of the 4G network remote terminal.

2. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill as claimed in claim 1, wherein the remote automatic control unit comprises a mobile phone APP platform wirelessly connected with the 4G network remote terminal and a remote main control device communicated with the signal end of the 4G network remote terminal.

3. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill as claimed in claim 2, characterized in that the remote main control device comprises a PLC signal acquisition unit and processing unit, an audible and visual alarm and a main control room computer, wherein the input ends of the PLC signal acquisition unit and the processing unit are connected with the signal end of the 4G network remote terminal, and the output ends of the PLC signal acquisition unit and the processing unit are respectively connected with the audible and visual alarm, the main control room computer and the input ends of the electromechanical liquid devices.

4. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill as claimed in claim 3, wherein the electro-hydraulic equipment comprises an oil inlet motor, an oil storage device, a main oil tank, an oil level observation window, the oil level sensor, the motor of the rolling mill and a bearing, wherein the main oil tank, the oil level observation window, the oil level sensor, the motor of the rolling mill and the bearing are integrated together.

5. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill as claimed in claim 4, wherein the input end of the oil inlet motor is connected with the output ends of the PLC signal acquisition unit and the processing unit, the output end of the oil inlet motor is connected with the input end of the oil storage device, and the output end of the oil storage device is connected with the input end of the main oil tank.

6. The remote automatic control device for the oil level sensor of the motor of the steel rolling mill as claimed in claim 5, wherein an instrument signal acquisition module and a wireless transmission module are arranged in the LED liquid crystal screen paperless recorder, the instrument signal acquisition module is connected with the output end of the oil level sensor and is used for collecting various field signals of the electro-hydraulic equipment in a centralized manner, the wireless transmission module is wirelessly connected with the 4G network remote terminal, and signals transmitted by the wireless transmission module are received through the 4G network remote terminal.

7. A remote automatic control method for a steel rolling mill motor oil level sensor is characterized by comprising the following steps: the method comprises the following steps:

the LED liquid crystal screen paperless recorder collects various field signals of the electro-hydraulic equipment in a centralized manner through the instrument signal collection module, transmits the signals to the 4G network remote terminal through the wireless transmission module, and performs primary signal processing;

all the collected various field signals of the electromechanical liquid equipment are transmitted to the PLC signal collecting unit and the processing unit in a centralized manner to be subjected to secondary analysis operation and judgment;

the PLC signal acquisition unit and the processing unit transmit the secondary analysis operation signal to the audible and visual alarm to perform high alarm, low alarm and low alarm;

the 4G network remote terminal is wirelessly pushed to a mobile phone APP platform to alarm the WeChat, and an operator is informed to automatically operate and control; the PLC signal acquisition unit and the processing unit detect alarm information and transmit the remote network transmission of the equipment running state to a display of a main control room computer, the running parameters of the rolling mill equipment are monitored in a centralized mode, red early warning is informed to operators, and remote operation in two places is achieved.

Technical Field

The invention relates to the technical field of remote control of motor oil level, in particular to a remote automatic control device and method for a steel rolling mill motor oil level sensor.

Background

In the production process of rolling steel and rolling strip steel, because the control system of the hydraulic equipment or the motor bearing of the current steel rolling motor is imperfect and unstable, signal circuit damage, misoperation and false alarm often occur, so that equipment is shut down and production stop is caused, an operator cannot adjust and operate according to the operation parameters of the rolling mill motor, automatic processing cannot be realized, and the normal operation of the lubricating system of the motor equipment and the load balance of the motor are difficult to ensure, so that the surface of the strip steel is uneven, the oil level is lower than 350cm, and the safety accidents of bearing damage or bearing holding and strip steel inertia flying out are caused; because the original control system is manually controlled, the site oil level is not easy to observe, standard data reference is not available, the randomness is strong, the technical problems that equipment such as an oil inlet motor, a main oil tank and a motor bearing is damaged are caused, the labor intensity of workers is increased, and potential safety hazards are increased for motor equipment and personnel.

Disclosure of Invention

The invention aims to solve the technical problems that potential safety hazards are easily caused due to the fact that a hydraulic device of a rolling mill motor or a control system of a motor bearing is imperfect and unstable in the prior art, and the operation parameters of the rolling mill motor cannot be remotely and automatically controlled, so that the device and the method for remotely and automatically controlling the oil level sensor of the rolling mill motor are provided, and the device and the method are applied to field practice production and obtain good economic benefits.

The invention solves the problems and adopts the technical scheme that:

a remote automatic control device for an oil level sensor of a steel rolling mill motor comprises electro-mechanical-hydraulic equipment, an LED liquid crystal screen paperless recorder connected with the output end of the electro-mechanical-hydraulic equipment, a 4G network remote terminal wirelessly connected with the output end of the LED liquid crystal screen paperless recorder through 4G, and a remote automatic control unit connected with the output end of the 4G network remote terminal.

Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:

the invention provides a remote automatic control device for a steel rolling mill motor oil level sensor, which has a reasonable structure, can be used for intensively collecting various field signals of an electro-mechanical liquid device through an LED liquid crystal screen paperless recorder and wirelessly transmitting the signals to a 4G network remote terminal, wherein all the collected signals are intensively transmitted to a PLC signal collection unit and a processing unit for operation processing, and are wirelessly pushed to a mobile phone APP platform through the 4G network remote terminal, so that a WeChat alarm is realized, and an operator is informed of full automatic control; in addition, the remote control mode of the PLC signal acquisition unit and the processing unit is matched, red early warning is sent to a display of a computer in a main control room to inform an operator, and remote operation between two places is realized. The remote automatic control device and the method for the oil level sensor of the motor of the steel rolling mill ensure good lubrication of the motor bearing, prevent workers from drilling to observe the oil level on site, ensure the stability of process operation and avoid safety accidents, improve the operation rate and the service life of equipment, reduce the number of times of shutdown, facilitate the guidance of the accurate operation of operators, ensure the safety of equipment personnel, reduce the labor intensity, improve the working efficiency, and obtain good economic benefits when being applied to site practice production.

Preferably, the further technical scheme of the invention is as follows:

the remote automatic control unit comprises a mobile phone APP platform in wireless connection with the 4G network remote terminal and remote main control equipment communicated with a signal end of the 4G network remote terminal.

The remote main control equipment comprises a PLC signal acquisition unit, a processing unit, an audible and visual alarm and a main control room computer, wherein the input ends of the PLC signal acquisition unit and the processing unit are connected with the signal end of the 4G network remote terminal, and the output ends of the PLC signal acquisition unit and the processing unit are respectively connected with the input ends of the audible and visual alarm, the main control room computer and the electromechanical liquid equipment.

The electro-hydraulic equipment comprises an oil inlet motor, an oil storage device, a main oil tank, an oil level observation window, an oil level sensor, a rolling mill motor and a bearing, wherein the main oil tank, the oil level observation window, the oil level sensor, the rolling mill motor and the bearing are integrated together.

The input end of the oil inlet motor is connected with the output ends of the PLC signal acquisition unit and the processing unit, the output end of the oil inlet motor is connected with the input end of the oil storage device, and the output end of the oil storage device is connected with the input end of the main oil tank.

The LED liquid crystal screen paperless recorder is internally provided with an instrument signal acquisition module and a wireless transmission module, the instrument signal acquisition module is connected with the output end of the oil level sensor and used for intensively acquiring various field signals of the electro-hydraulic equipment, the wireless transmission module is in wireless connection with the 4G network remote terminal, and the signals transmitted by the wireless transmission module are received by the 4G network remote terminal.

The invention also provides a remote automatic control method of the oil level sensor of the motor of the steel rolling mill, which comprises the following steps:

the LED liquid crystal screen paperless recorder collects various field signals of the electro-hydraulic equipment in a centralized manner through the instrument signal collection module, transmits the signals to the 4G network remote terminal through the wireless transmission module, and performs primary signal processing;

all the collected various field signals of the electromechanical liquid equipment are transmitted to the PLC signal collecting unit and the processing unit in a centralized manner to be subjected to secondary analysis operation and judgment;

the PLC signal acquisition unit and the processing unit transmit the secondary analysis operation signal to the audible and visual alarm to perform high alarm, low alarm and low alarm;

the 4G network remote terminal is wirelessly pushed to a mobile phone APP platform to alarm the WeChat, and an operator is informed to automatically operate and control; the PLC signal acquisition unit and the processing unit detect alarm information and transmit the remote network transmission of the equipment running state to a display of a main control room computer, the running parameters of the rolling mill equipment are monitored in a centralized mode, red early warning is informed to operators, and remote operation in two places is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a remote automatic control device for an oil level sensor of a motor of a steel rolling mill according to the invention;

fig. 2 is a flow chart of the control equipment of the remote automatic control device of the oil level sensor of the motor of the rolling mill.

Labeled as: 1. an oil inlet motor; 2. an oil storage device; 3. a main oil tank; 4. an oil level observation window; 5. a mill motor; 6. a bearing; 7. an oil level sensor; 8. the LED liquid crystal screen paperless recorder; 9.4G network remote terminal; 10. the PLC signal acquisition unit and the processing unit; 11. an audible and visual alarm; 12. a mobile phone APP platform; 13. and a main control room computer.

Detailed Description

The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.

FIG. 1 is a schematic structural diagram of a remote automatic control device for a motor oil level sensor of a rolling mill according to the invention; fig. 2 shows a flow chart of the control equipment of the remote automatic control device of the oil level sensor of the motor of the rolling mill.

The remote automatic control device for the oil level sensor of the motor of the steel rolling mill comprises an electro-mechanical-hydraulic device, an LED liquid crystal screen paperless recorder 8 connected with the output end of the electro-mechanical-hydraulic device, a 4G network remote terminal 9 wirelessly connected with the output end of the LED liquid crystal screen paperless recorder 8 through 4G, and a remote automatic control unit connected with the output end of the 4G network remote terminal 9, wherein the LED liquid crystal screen paperless recorder is connected with the output end of the electro-mechanical-hydraulic device through a network. The input end of the LED liquid crystal screen paperless recorder 8 is connected with the output end of the electromechanical liquid equipment, and the output end of the LED liquid crystal screen paperless recorder 8 is connected with the input end of the 4G network remote terminal 9.

Wherein, remote automatic control unit includes cell-phone APP platform 12 with 4G network remote terminal 9 wireless connection and the remote master control equipment who communicates with 4G network remote terminal 9's signal end.

The remote main control equipment comprises a PLC signal acquisition unit and a processing unit 10, an audible and visual alarm 11 and a main control room computer 13, wherein the input ends of the PLC signal acquisition unit and the processing unit 10 are connected with the signal end of the 4G network remote terminal 9, and the output ends of the PLC signal acquisition unit and the processing unit 10 are respectively connected with the audible and visual alarm 11, the main control room computer 13 and the input ends of the electromechanical liquid equipment, so that the closed-loop control of the remote automatic control device of the steel rolling mill motor oil level sensor is realized.

The electro-mechanical-hydraulic equipment comprises an oil inlet motor 1, an oil storage device 2, a main oil tank 3, an oil level observation window 4, an oil level sensor 7, a rolling mill motor 5 and a bearing 6, wherein the main oil tank 3, the oil level observation window 4, the oil level sensor 7, the rolling mill motor 5 and the bearing 6 are integrated together. The input end of the oil inlet motor 1 is connected with the output ends of the PLC signal acquisition unit and the processing unit 10, the output end of the oil inlet motor 1 is connected with the input end of the oil storage device 2, and the output end of the oil storage device 2 is connected with the input end of the main oil tank 3. The output end of the oil level sensor 7 is connected with the input end of an LED liquid crystal screen paperless recorder 8.

Be equipped with instrument signal acquisition module and wireless transmitting module in the no paper record appearance 8 of LED LCD screen, instrument signal acquisition module is connected with the output of oil level sensor 7 for concentrate the collection to electromechanical liquid equipment's various field signals, wireless transmitting module and 4G network remote terminal 9 are through 4G wireless connection, and the signal that wireless transmitting module launches is received through 4G network remote terminal 9. The signal of the on-site oil level sensor 7 is transmitted to the LED liquid crystal screen paperless recorder 8 to send out an instruction, the PLC signal acquisition unit and the processing unit 10 receive the instruction, the oil inlet motor 1 is controlled, the electromechanical liquid equipment is automatically controlled, and for safe operation of the on-site equipment, the operation condition of the on-site equipment is safely and accurately reflected through recording monitoring of the LED liquid crystal screen paperless recorder 8 and alarm detection of the audible and visual alarm 11. An operator can conveniently and accurately observe the actual oil level on the site through the site oil level observation window 4, so that the safety of equipment personnel is ensured, and the working efficiency is improved.

A remote automatic control method for a steel rolling mill motor oil level sensor specifically comprises the following steps:

the LED liquid crystal screen paperless recorder 8 collects various field signals of the electro-hydraulic equipment in a centralized manner through an instrument signal collection module, transmits the signals to a 4G network remote terminal 9 through a wireless transmission module, and performs signal processing for the first time;

all the collected various field signals of the electromechanical liquid equipment are transmitted to the PLC signal collecting unit and the processing unit 10 in a centralized manner to be analyzed, operated and judged for the second time;

the PLC signal acquisition unit and the processing unit 10 transmit the secondary analysis operation signal to the audible and visual alarm 11 to perform high alarm, low alarm and low alarm;

the 4G network remote terminal 9 wirelessly pushes the information to the mobile phone APP platform 12 to alarm the WeChat, and informs an operator of automatic operation control; the PLC signal acquisition unit and the processing unit 10 detect alarm information and transmit the remote network transmission of the equipment running state to a display of a main control room computer 13, the running parameters of the rolling mill equipment are monitored in a centralized manner, the red early warning is informed to operators, and remote operation in two places is realized.

The remote automatic control device and the method for the oil level sensor of the motor of the steel rolling mill have reasonable structure, can intensively collect various field signals of electro-hydraulic equipment through an instrument signal collection module of an LED liquid crystal screen paperless recorder 8, wirelessly transmit the field signals to a 4G network remote terminal 9 for primary processing, then wirelessly transmit the field signals to a mobile phone APP platform 12, and simultaneously transmit the field signals to a PLC signal collection unit and a processing unit 10 to realize automatic control; in addition, the remote mobile phone APP control and monitoring mode is matched, signals send out instructions through the 4G network remote terminal 9, the mobile phone APP platform 12 receives the instructions, alarm prompts can be confirmed and eliminated on a mobile phone, remote operation can also be carried out, for safe and visual accurate operation, the main control room computer 13 is matched, the operation condition of field equipment is accurately reflected, the accurate operation of operators is simply and conveniently guided, the safety of equipment personnel is ensured, good lubrication of a motor bearing is ensured, workers are prevented from drilling to observe an oil level on site, the stability of process operation is ensured, safety accidents are avoided, the operation rate and the service life of the equipment are improved, the shutdown times are reduced, the labor intensity is reduced, the working efficiency is improved, the device is applied to field practice production, and good economic benefits are obtained.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.