CN217181427U

CN217181427U - Embedded coal mining machine control system

Info

Publication number: CN217181427U
Application number: CN202220607586.8U
Authority: CN
Inventors: 陈湘源; 王永强; 王东亮; 常亚军; 连东辉; 刘斌斌; 马桂强
Original assignee: Guoneng Yulin Energy Co ltd; Zhengzhou Coal Mining Machinery Group Co Ltd
Current assignee: Guoneng Yulin Energy Co ltd; Zhengzhou Hengda Intelligent Control Technology Co ltd; Zhengzhou Coal Mining Machinery Group Co Ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-12
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an embedded coal-winning machine control system, include: the main control unit is in communication connection with the intrinsic safety isolation gateway through a bus; the main control unit comprises an industrial core module, a field programmable gate array chip and a switch, wherein the industrial core module and the field programmable gate array chip are in communication connection, the industrial core module and the field programmable gate array chip are in communication connection with the switch, and the switch is in communication connection with the intrinsic safety isolation gateway through a bus. The utility model discloses an adopt industrial grade core module, field programmable gate array chip as main control unit, it is low to have solved the wholeness ability that current embedded coal-winning machine control system exists, can not satisfy the coal mining requirement of large-scale colliery, the main control unit procedure is lost easily, communication stability is also not high, communication capability is poor, man-machine interaction function scheduling problem backward.

Description

Embedded coal mining machine control system

Technical Field

The utility model relates to a colliery correlation technique field, especially an embedded coal-winning machine control system.

Background

Currently, there are two main common implementation manners for an embedded coal mining machine control system. A Programmable Logic Controller (PLC) is used as a main processing module, is simply integrated as a main module, and is designed in a star topology mode. The PLC technology has good control capability, can quickly adapt to the control requirement of the coal mining machine, and provides reliable technical control. The design mode of mutually combining the PLC and the frequency converter can improve the reliability of the coal mining machine, ensure the accuracy of the control of the coal mining machine and improve the coal mining efficiency.

The other coal mining machine Control system is designed by taking a main operation Control module (CCU) as a core and is provided with a variable frequency speed Control system. The whole system comprises external equipment, a unit electric cabinet, crossheading equipment and communication equipment, and adopts a modularized and integrated design. Each module is distributed in a centralized way and developed independently, has the characteristics of high integration level and low cost, and has the function of carrying and cutting in memory. The BOC main control module is in man-machine interaction with the outside through a configured display screen, all external sensor data are received through communication equipment, the constant power of the motor is automatically adjusted, and the traction motor and the pump motor have overload and overheat protection functions.

The embedded coal mining machine control system taking the PLC as the main processing module has the characteristics of low cost, stability and reliability, but has no operating system, so that software is easy to crack, and spare part data is lost. The PLC has poor operation processing, small storage capacity, single technology and poor bus expansion capability, so that the overall performance of the system is low, the coal mining requirements of large-scale coal mines cannot be met, and the PLC is only suitable for small and medium-sized coal mines with low requirements. The embedded coal mining machine control system which is designed by taking the central control unit CCU as a core is developed by the control system, so the cost is low, and the guarantee is provided. But at the same time, the quality of the product depends on the level of developers, the computing processing and storing capability is poor, the bus expansion capability is poor, and the maintenance is not suitable. The system has insufficient modularization, low integration level, easy loss of main control unit program and low communication stability. The difference between the software development function and the human-computer interaction function is large, and the overall performance is far behind that of a mature industrial computer.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an embedded coal mining machine control system aiming at the technical problems that the existing embedded coal mining machine control system has low overall performance, cannot meet the coal mining requirements of large coal mines, is easy to lose the main control unit program, has low communication stability, has poor communication capability and lags behind human-computer interaction function.

The utility model provides an embedded coal-winning machine control system, include: the system comprises a main control unit and an intrinsic safety isolation gateway, wherein the main control unit is in communication connection with the intrinsic safety isolation gateway through a bus;

the main control unit comprises an industrial core module, a field programmable gate array chip and a switch, the industrial core module and the field programmable gate array chip are in communication connection with the switch, and the switch is in communication connection with the intrinsic safety isolation gateway through a bus.

Further, the main control unit further comprises an expansion card in communication connection with the industrial-grade core module.

Further, the system also comprises an inertial navigation device which is connected with the bus in a communication mode.

Further, the system also comprises an integrated expansion module which is connected with the bus in a communication mode.

Further, the display screen is in communication connection with the industrial core module.

Further, the sensor detector is in communication connection with the field programmable gate array chip.

Further, the key detection module is in communication connection with the industrial-grade core module.

Further, the terminal station is in communication connection with the intrinsic safety isolation gateway.

Furthermore, the safety isolation gateway also comprises a voice alarm which is in communication connection with the intrinsic safety isolation gateway.

Further, the safety isolation gateway further comprises a wireless receiver in communication connection with the intrinsic safety isolation gateway and a wireless remote controller in communication connection with the wireless receiver.

The utility model discloses an adopt industrial grade core module, field programmable gate array chip as main control unit, it is low to have solved the wholeness ability that current embedded coal-winning machine control system exists, can not satisfy the coal mining requirement of large-scale colliery, the main control unit procedure is lost easily, communication stability is also not high, communication capability is poor, man-machine interaction function scheduling problem backward. And simultaneously the utility model discloses an embedded coal-winning machine control system adopts modularized design, the integrated level is high, adopts concentrated distributed architecture, and the function is more perfect. The operation interface is more convenient and faster, and the accuracy and the sensitivity of control are improved.

Drawings

Fig. 1 is a system schematic diagram of an embedded coal mining machine control system of the present invention;

fig. 2 is a schematic diagram of a main control unit system of the embedded coal mining machine control system of the present invention.

Description of the mark

1-a main control unit; 101-industrial core module; 102-field programmable gate array chip; 103-a switch; 104-an expansion card; 2-intrinsically safe isolation gateway; 3-a bus; 4-inertial navigation means; 5-a comprehensive expansion module; 6-a display screen; 7-a sensor detector; 8-a key detection module; 9-an end station; 10-voice alarm; 11-a wireless receiver; 12-wireless remote control.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example one

As shown in fig. 1 and fig. 2, the utility model relates to an embedded coal-winning machine control system, include: the system comprises a main control unit 1 and an intrinsic safety isolation gateway 2, wherein the main control unit 1 is in communication connection with the intrinsic safety isolation gateway 2 through a bus 3;

the main control unit 1 comprises an industrial core module 101, a field programmable gate array chip 102 and a switch 103, wherein the industrial core module 101 and the field programmable gate array chip 102 are in communication connection, the industrial core module 101 and the field programmable gate array chip 102 are in communication connection with the switch 103, and the switch 103 is in communication connection with the intrinsically safe isolation gateway 2 through a bus 3.

Specifically, the main Control Unit 1 is preferably a main Control Computer (CCU) installed in an electric cabinet of the coal mining machine. The main control unit 1 is a core device in the coal mining machine electric control system, is responsible for logic control and data processing of the coal mining machine control system, and is used for starting and coordinating each slave module. The intrinsic safety Isolation Gateway 2 is preferably an intrinsic safety Isolation Gateway (ISG) installed outside an electric cabinet of a coal mining machine. The intrinsic safety isolation gateway 2 is responsible for communication signal isolation, coupling and amplitude limiting protection of intrinsic safety interface equipment outside the body of the coal mining machine in the system, and realizes signal forwarding and data collection. Because the main control unit 1 has an input/output channel and an analog detection channel, the main control unit 1 and the intrinsically safe isolation gateway 2 form a minimum system.

As shown in fig. 2, the main control unit 1 adopts a design mode in which an industrial core module 101 and a Field Programmable Gate Array (FPGA) chip 102 are dual cores. The industrial core module 101 is preferably an ARM module, such as an industrial core module based on an ARM Cortex a9 core, referred to as a9 module.

The industrial core module 101, for example, the a9 module is connected to the FPGA through an Enterprise Instant Messaging (EIM) Interface, a General-purpose input/output (GPIO) Interface, and a Serial Peripheral Interface (SPI), and is connected to the switch 103 through an SPI Interface, a General GPIO Interface, and a gigabit vehicle Interface. The Digital Video Interface (DVI) is connected with a Liquid Crystal Display (LCD) screen, and is configured with various communication modes such as a CAN Bus, an RS485, a Universal Serial Bus (USB), a Universal Asynchronous Receiver/Transmitter (UART), and the like. The FPGA is configured with a Controller Area Network (CAN) bus, a variable Data Rate Controller Area Network (CAN with Flexible Data-Rate, CAN fd) bus, an RS485, a gigabit vehicle-mounted communication mode, and the switch 103 is configured with a gigabit ethernet, a gigabit vehicle-mounted communication mode.

The main control unit 1 adopts a design mode of dual cores of an industrial core module 101 and a field programmable gate array chip 102, and has extremely high system stability and coordination. All modules transmit various data through a communication network, the whole system information is shared and coordinated, and the overall function and the optimization processing of the control system can be well completed. Meanwhile, the system has a self-diagnosis function, and can realize functions of overcurrent detection, overload detection, leakage detection, motor temperature detection, controller output detection and the like of the power device. When one module has a fault, the main control computer can quickly perform fault location and eliminate the corresponding fault, and the system has the characteristics of easiness in maintenance and simplicity in operation.

The utility model discloses an adopt industrial grade core module, field programmable gate array chip as main control unit, it is low to have solved the wholeness ability that current embedded coal-winning machine control system exists, can not satisfy the coal mining requirement of large-scale colliery, the main control unit procedure is lost easily, communication stability is also not high, communication capability is poor, man-machine interaction function scheduling problem backward.

Example two

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an embedded shearer control system, including: the system comprises a main control unit 1 and an intrinsic safety isolation gateway 2, wherein the main control unit 1 is in communication connection with the intrinsic safety isolation gateway 2 through a bus 3;

further comprising: the system comprises an inertial navigation device 4 in communication connection with the bus 3, a comprehensive expansion module 5 in communication connection with the bus 3, a display screen 6 in communication connection with the industrial core module 101, a sensor detector 7 in communication connection with the field programmable gate array chip 102, a key detection module 8 in communication connection with the industrial core module 101, an end station 9 in communication connection with the intrinsically safe isolation gateway 2, a voice alarm 10 in communication connection with the intrinsically safe isolation gateway 2, a wireless receiver 11 in communication connection with the intrinsically safe isolation gateway 2, and a wireless remote controller 12 in communication connection with the wireless receiver 11;

the main control unit 1 comprises an industrial core module 101, a field programmable gate array chip 102, a switch 103 and an expansion card 104 in communication connection with the industrial core module 101, wherein the industrial core module 101 and the field programmable gate array chip 102 are in communication connection, the industrial core module 101 and the field programmable gate array chip 102 are in communication connection with the switch 103, and the switch 103 is in communication connection with the intrinsically safe isolation gateway 2 through a bus 3.

Specifically, the embedded coal cutter control system mainly comprises: the system comprises a main control unit 1, an intrinsic safety isolation gateway 2, an inertial navigation device 4, a comprehensive expansion module 5, a display screen 6, a sensor detector 7, a key detection module 8, an end station 9, a voice alarm 10, a wireless receiver 11 and a wireless remote controller 12 in communication connection with the wireless receiver 11.

Wherein the main control unit 1 and the inertial navigation device 4 are arranged in an electric cabinet of the coal mining machine. The comprehensive expansion module 5 and the intrinsic safety isolation gateway 2 are installed outside an electric cabinet of the coal mining machine. The sensor detector 7, the end station 9, the voice alarm 10 and the wireless receiver 11 are respectively arranged on the left side and the right side of the outer part of the electric cabinet of the coal mining machine, and the key detection module 8 is arranged near keys on the panel in the coal mining machine.

The main control unit 1 is preferably a CCU main control computer, is a core device in the coal mining machine electric control system, is responsible for logic control and data processing of the coal mining machine control system, and is used for starting and coordinating each slave machine module. The Inertial Navigation device 4 is preferably an Inertial Navigation device (INS) and is responsible for detecting the straightness of a working surface, and the integrated expansion module 5 realizes analog sensor detection such as voltage and current type and passive switching value output in the System. The intrinsic safety isolation gateway 2 is preferably an ISG intrinsic safety isolation gateway, is responsible for communication signal isolation, coupling and amplitude limiting protection of intrinsic safety interface equipment outside a coal mining machine body in the system, and realizes signal forwarding and data collection. Because the main control unit 1 has an input/output channel and an analog detection channel, the main control unit 1 and the intrinsically safe isolation gateway 2 form a minimum system through the bus 3. The wireless remote controller 12 is of an intrinsic safety type, and the wireless receiver 11 receives the transmission signal and transmits the state of the corresponding remote controller to the main control unit 1 in a bus mode. The wireless remote controller 12 is used in cooperation with the wireless receiver 11 to realize the remote control function of the coal mining machine and support wire control. The voice alarm 10 broadcasts voice prompt information to realize voice information alarm, the end station 9 realizes wired control of the coal mining machine in a wired mode, and the key detection module 8 is responsible for detecting keys and knobs of a system panel. The sensor detector 7 is responsible for detecting intrinsic safety sensors such as external pressure, temperature and switches of the coal mining machine, changes detection information into electric signals and sends the electric signals to the main control unit 1, and the main control unit 1 processes data lines to realize control and protection of the system. The display screen 6 is preferably an LCD display screen, displays the working state of the coal mining machine in real time, and has the functions of fault inquiry, fault shielding, parameter setting and the like. The end station 9, the voice alarm 10 and the wireless receiver 11 are connected with the intrinsic safety isolation gateway 2 through an explosion-proof device 13 for passing the wire between the explosion-proof cavity and the intrinsic safety cavity.

The main control unit 1 is a core device in the coal mining machine electrical control system, is responsible for logic control and data processing functions, and is used for starting and coordinating all the slave modules, so that the coal mining machine is controlled to complete complex actions such as drum rotation, rocker arm lifting, walking, crushing and the like. The main control unit 1 adopts a design mode of an industrial-level core module 101+ an FPGA chip 102 with two cores, and a design block diagram thereof is shown in fig. 2.

As shown in fig. 2, an industrial core module 101, for example, an a9 module, is connected to the FPGA through an EIM interface for communication, two general GPIO interfaces for heartbeat, and an SPI interface for maintenance, and six standby general GPIO interfaces are left, and connected to the switch 103 through an SPI interface for configuration, a general GPIO interface for management, and a gigabit vehicle-mounted interface for communication. The multifunctional multi-channel television set is connected with an LCD display screen through a DVI interface, and is provided with a CAN bus, an RS485, a USB, a UART and other Communication modes, including a CAN bus interface for Multimedia and Communication Technology (MCT) Communication, an MCT power interface, a CAN bus interface for frequency converter Communication, a relay output interface for frequency converter control, an RS485 interface for standby Communication, a standby power interface, a USB interface for debugging, a power interface, a GPIO interface for addresses, a TF card interface for flashing and a UART interface for debugging. The industrial core module 101 is also provided with an expansion card 104, and the expansion card 104 is preferably a minipci expansion card and supports Profibus communication. A 24V power interface and a Profibus interface for communication are provided. FPGA has configured CAN bus, CANFD bus, RS485, on-vehicle many communication modes such as giga, includes: the power interface, be used for CAN bus interface, the CAN FD bus interface of communication, RS485 interface. The switch 103 is configured with gigabit ethernet, gigabit vehicle-mounted communication.

The utility model discloses an embedded coal-winning machine control system has solved the wholeness ability that traditional embedded coal-winning machine control system exists and has hanged down, can not satisfy the coal mining requirement of large-scale colliery, the main control unit procedure is lost easily, communication stability is also not high, communication capability is poor, the man-machine interaction function scheduling problem backward. Meanwhile, the embedded coal cutter control system is high in modular design and integration level, and a centralized distributed structure is adopted, so that the functions are more perfect. The operation interface is more convenient and faster, and the accuracy and the sensitivity of control are improved.

The utility model discloses an embedded coal-winning machine control system can be used for borehole operation, has huge help to the reliability that improves the coal-winning machine and work efficiency, improve coal-winning machine fault diagnosis's precision and efficiency, the self-adaptability that improves the coal-winning machine. Meanwhile, the method is beneficial to troubleshooting of maintainers, reduces the failure rate of the coal mining machine, and improves the maintainability, safety and automation degree of the coal mining machine.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An embedded shearer control system, comprising: the safety protection system comprises a main control unit (1) and an intrinsic safety isolation gateway (2), wherein the main control unit (1) is in communication connection with the intrinsic safety isolation gateway (2) through a bus (3);

the main control unit (1) comprises an industrial core module (101), a field programmable gate array chip (102) and a switch (103), wherein the industrial core module (101) and the field programmable gate array chip (102) are in communication connection, the industrial core module (101) and the field programmable gate array chip (102) are in communication connection with the switch (103), and the switch (103) is in communication connection with the intrinsic safety isolation gateway (2) through a bus (3).

2. An embedded shearer control system according to claim 1, wherein the master control unit (1) further comprises an expansion card (104) communicatively connected to the industrial-grade core module (101).

3. An embedded shearer loader control system according to claim 1, characterized by further comprising an inertial navigation device (4) communicatively connected with the bus (3).

4. An embedded shearer loader control system according to claim 1, characterized by further comprising an integrated expansion module (5) communicatively connected with the bus (3).

5. The embedded shearer control system of claim 1, further comprising a display screen (6) communicatively connected to the industrial-scale core module (101).

6. The embedded shearer control system of claim 1, further comprising a sensor detector (7) communicatively connected to the field programmable gate array chip (102).

7. The embedded shearer control system of claim 1, further comprising a key detection module (8) communicatively coupled to the industrial-level core module (101).

8. The embedded shearer control system of claim 1, further comprising a head station (9) communicatively connected to the intrinsically safe isolation gateway (2).

9. The embedded shearer control system according to claim 1, further comprising a voice alarm (10) communicatively connected to the intrinsically safe isolation gateway (2).

10. The embedded shearer control system according to claim 1, further comprising a wireless receiver (11) communicatively connected to the intrinsically safe isolation gateway (2), and a wireless remote control (12) communicatively connected to the wireless receiver (11).