Mining air cannon control system, method, equipment and program product

Abstract

The invention discloses a mining air cannon control system, method, equipment and program product. The mining air cannon control system comprises an air cannon control end, a control module, a monitoring module, a processing module and a display monitoring module. The mining air cannon control method comprises the steps that S1, a monitoring module monitors and collects pressure data and action states on an air cannon control end in real time in the operation process of an air cannon; and S2, judging and detecting the pressure data and the action state on the control end of the air cannon through a pressure judgment unit, a fault judgment unit and a safety detection unit in the processing module so as to output a corresponding instruction to control the operation of the air cannon. According to the invention, the operation is flexible and convenient, the healthy operation state of each air cannon can be visually displayed, the fault rise can be prevented, the external expansion points are abundant, other useless functions can be customized and added completely according to the actual demand on site, the cost is controlled, the invalid waste is avoided, the safety is enhanced, and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The application patent belongs to the technical field of air cannon control equipment, and particularly relates to a mine air cannon control system, method, equipment and program product. BACKGROUND

[0002] The existing mine conveying line air cannon is mainly based on a small PLC or a logic circuit on an automatic control system. The air cannon is a high-frequency application point in the production process as an auxiliary system, and convenience for the user is the most important. However, whether using a PLC or a logic circuit inevitably requires the ability of the operator, and cannot achieve complete convenience on site. The following is a decomposition of the disadvantages of using a PLC or a logic circuit.

[0003] Disadvantages of using a logic circuit on site: Single function, only regular cycle logic can be achieved, and the health state of the air cannon cannot be achieved.

[0004] Disadvantages of using a PLC technology on site (1) Cost pressure: the existing air cannon control uses a Siemens LOGO entry-level PLC with only 4-8 output points, which can control a small number of air cannons (such as 1-4 air cannons). However, when controlling a large number of air cannons (such as more than 10 air cannons), it is necessary to frequently expand digital quantity output modules, and the total cost advantage rapidly weakens with the price of the module itself and the LOGO body; (2) Entry point limitation: using a large number of modules occupies space and the wiring is complex. If each air cannon needs to be added with state feedback (such as a pressure switch signal), local / remote switching, fault reset, etc., additional digital quantity input points (DI) are also needed, further exacerbating the I / O resource shortage and expansion cost; (3) Weak communication ability, difficult to integrate: unable to actively communicate as a master station: the latest LOGO 8 Ethernet module only supports Modbus TCP server (slave) function, and cannot actively connect to the host computer (SCADA / HMI / DCS) or other devices (such as a master PLC) as a client (master station) to report the state or receive instructions. This means that remote monitoring is difficult: the running state and fault information of each air cannon cannot be actively reported to the central control room; (4) Unable to access advanced network: difficult to integrate into a bus system based on mainstream industrial Ethernet such as Profinet, EtherNet / IP, etc.; (5) Lack of safety functions: LOGO! is not a safety PLC. It cannot realize safety-related control (for example: ensuring that all air cannons are immediately and safely released when an emergency stop occurs) that meets the SIL or PL level. Safety functions need to rely on external safety relays or safety PLCs to achieve, increasing the system complexity and cost.

[0005] Therefore, a mine air cannon control system, method, device and program product are provided herein. SUMMARY

[0006] In order to solve the above problems, the present application aims to provide a mine air cannon control system, method, device and program product, which is flexible and convenient to operate, can intuitively display the health running state of each air cannon, is beneficial to prevent fault rising, has abundant external expansion points, can be customized according to actual needs on site to add other useless functions, the cost is controlled, invalid waste is avoided, the safety is enhanced, and the maintenance is convenient.

[0007] The present application is realized by the following technical scheme: a mine air cannon control system, comprising an air cannon control end, a control module, a monitoring module, a processing module and a display monitoring module. The control module is in telecommunication connection with the air cannon control end, the control module adopts an external control cabinet, is used for inputting control signals to the air cannon control end and receiving feedback, and simultaneously externally supplies power and signals to the processing module and transmits signals; The monitoring module is in telecommunication connection with the control module, is composed of pressure sensors installed on a plurality of air cannon control ends, is used for real-time pressure monitoring and fault monitoring of the running air cannon, and the pressure monitoring is associated with the safety mode of the air cannon operation; The processing module is in telecommunication connection with the control module, adopts a single-chip microcomputer development board, and is further provided with a pressure determination unit, a fault determination unit, a safety detection unit, more than 10 air cannon external control ports and a plurality of standby ports, is used for controlling the air cannon to work, receiving and feeding back the instructions on site and making state feedback, simultaneously performing data interaction with the control module and the monitoring module, processing the real-time data fed back by the monitoring module on the air cannon control end, connecting the execution electronic components in the control module corresponding to the air cannon control end; The display monitoring module is in telecommunication connection with the processing module, adopts an industrial touch screen, is used for data interaction with the processing module and the control module, can set the air cannon operation program associated with the processing module and perform data access, instruction output and air cannon operation state display, and serves as a master and slave station of a ring network.

[0008] The pressure determination unit is used for detecting the air cannon pressure during the operation of the air cannon control system and feeding back; The fault determination unit is used for detecting the running state of the air cannon operation program; The safety detection unit is used for real-time detection, protection and feedback of the air cannon running state on site.

[0009] As preferred, the air cannon control end is provided with electromagnetic valves on the air cannon air inlet and air outlet.

[0010] Preferably, the display monitoring module is connected to the processing module by a wireless 485 communication module.

[0011] To solve the above technical problems, the application further provides a mine air cannon control method applied to a mine air cannon control system, and the method specifically comprises the following steps: S1, a monitoring module monitors and collects pressure data and action states on the air cannon control end in real time during air cannon operation; S2, the pressure data and action states on the air cannon control end are determined and detected by a pressure determination unit, a fault determination unit and a safety detection unit in the processing module, so that corresponding instructions are output to control air cannon operation.

[0012] Preferably, the determination method of the pressure determination unit is as follows: the interval of the detected pressure value A is divided into low pressure alarm (0≤A<0.5 MPa), normal range (0.5≤A≤0.7 MPa), overpressure light alarm (0.7

[0013] Preferably, the determination method of the fault determination unit is as follows: when initializing detection, the solenoid valve is powered and the pressure is detected immediately, if the pressure is <0.2 MPa, the condition of "solenoid valve not in action when powered" is met, triggering "air source alarm", if the action state is normal, a 3-second monitoring period is entered, and the air cannon pressure and the solenoid valve action state are detected in the period, if the pressure is >0.2 MPa and the action is completed, the output result is normal state, and the process is continued, and in the detection process, the action state of the solenoid valve and the air cannon pressure condition are combined to obtain the judgment logic of the running state as shown in the following table: Action state Pressure condition Output result Completion <0.2 MPa Normal state Completion ≥0.2 MPa Solenoid valve failure Incompletion <0.2 MPa Solenoid valve failure Incompletion ≥0.2 MPa Solenoid valve failure

[0014] Preferably, the method for detecting the action state of the solenoid valve is as follows: during execution of the air cannon operation program, when the action signal feedback of the solenoid valve is accepted, the action state is determined to be action, the output result is normal, and then the air cannon operation program is continued to be executed; if the action state is determined to be inaction or action timeout alarm, the output result is solenoid valve fault.

[0015] As preferred, the detection method of the safety detection unit is: when detecting that the equipment stops, immediately prohibit charging, sequentially trigger all air cannons, and keep 1 second interval between each air cannon, so as to ensure that each air cannon is fired once in a single stop period; when the equipment resumes operation, re-enable charging and reset the firing state marker; the method ensures that the charging state is strictly synchronized with the equipment state, the firing operation cannot be accidentally interrupted, and the state change can be responded in real time by detecting once per second.

[0016] To solve the above technical problems, the application further provides a computer readable storage medium, which stores a computer program, and the computer program realizes the steps in any of the mine air cannon control methods when executed by a processor.

[0017] To solve the above technical problems, the application further provides a computer program product, which includes computer programs / instructions, and the programs / instructions realize the steps in any of the mine air cannon control methods when executed by a processor.

[0018] The application has the following advantages: 1. Flexible use: the system is flexible in operation, convenient for personnel operation, and intuitively displays the health running state of each air cannon, which is beneficial to prevent fault rising 2. Cost compression: compared with other technical directions, the application has rich external expansion points, and can add other useless functions according to actual needs on site, so that the cost is controlled and invalid waste is avoided 3. Safety enhancement: the safety protection of the previous technical direction has logical loopholes to different degrees, and personnel have safety risks and misoperation when entering the working range of the air cannon. The application is completely synchronized with the equipment state, the equipment stops discharging, the equipment starts charging, and the touch screen displays the corresponding pressure condition, which has a double protection mechanism; 4. Convenient maintenance: through the touch screen and data interaction, the control room and on-site operating personnel can intuitively understand which air cannon has a fault, and can maintain production through shielding in an emergency. Meanwhile, professional technicians only need to focus on learning one technology to maintain the system. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description, and the person skilled in the art can also obtain other drawings according to these drawings without paying creative labor: Fig. 1 The system block diagram of the application; Fig. 2 The method flowchart of the application; Fig. 3The flow chart of the determination method of the pressure determination unit of the application; Fig. 4 The flow chart of the determination method of the fault determination unit of the application; DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the application. Embodiment 1

[0021] As Fig. 1 shown, in the prior art in this embodiment, the following problems exist: the inventor finds that the logic circuit of the existing mine conveying line air cannon in the automatic control system has the following defects: single function, only the conventional cycle logic can be realized, and the health state of the air cannon cannot be detected. The defects of the PLC technology are: the cost is too high; a large number of modules are used to occupy space, and the wiring is complex; the communication ability is weak, difficult to integrate, and remote monitoring is difficult: the running state and fault information of each air cannon cannot be actively reported to the central control room; it is difficult to integrate into the bus system based on mainstream industrial Ethernet such as Profinet, EtherNet / IP, etc.; the safety function is lacking, and it needs to rely on external safety relays or safety PLC to realize, which increases the system complexity and cost.

[0022] Therefore, the inventor provides a mine air cannon control system, which comprises an air cannon control end, a control module, a monitoring module, a processing module and a display monitoring module. The control module is in electrical connection with the air cannon control end, the control module adopts an external control cabinet, is used for inputting control signals to the air cannon control end and receiving feedback, and simultaneously externally supplies power and signals to the processing module; The monitoring module is in electrical connection with the control module, is composed of pressure sensors installed on a plurality of air cannon control ends, is used for real-time pressure monitoring and fault monitoring of the running air cannon, and the pressure monitoring is associated with the safety mode of the air cannon operation; The processing module is in electrical connection with the control module, adopts a single-chip microcomputer development board, and is further provided with a pressure determination unit, a fault determination unit, a safety detection unit, more than 10 air cannon external control ports and a plurality of standby ports, is used for controlling the air cannon to work, receiving and feeding back the instructions on the spot and making state feedback, simultaneously performing data interaction with the control module and the monitoring module, and processing the real-time data fed back by the monitoring module on the air cannon control end; The display monitoring module is in electrical connection with the processing module, and an industrial touch screen is used to interact with the control module, set the air cannon operation program associated with the processing module, and access data, output instructions, and display the air cannon operation state, serving as the master and slave stations of the ring network; in this embodiment, the industrial touch screen used by the inventor is a 7-inch touch screen of WELON.

[0023] The pressure determination unit is used to detect the air cannon pressure during the operation of the air cannon control system and feedback; The fault determination unit is used to detect the operation state of the air cannon operation program. The safety detection unit is used to detect, protect, and feedback the air cannon operation state in real time.

[0024] The air cannon control end is provided with electromagnetic valves on the air cannon air inlet and air outlet.

[0025] The display monitoring module is in electrical connection with the processing module through a wireless 485 communication module. Embodiment 2

[0026] As Figs. 2 to 4 shown, the inventor also provides a mine air cannon control method in this embodiment, which is applied to a mine air cannon control system, and specifically includes the following steps: S1, the monitoring module monitors and collects the pressure data and action state of the air cannon control end in real time during the operation of the air cannon; S2, the pressure determination unit, the fault determination unit, and the safety detection unit in the processing module determine and detect the pressure data and action state of the air cannon control end, and output corresponding instructions to control the air cannon operation.

[0027] Further, the determination method of the pressure determination unit is as follows: the interval of the detected pressure value A is divided into low pressure alarm (0≤A< 0.5 MPa), normal range (0.5≤A≤0.7 MPa), super pressure light alarm (0.7<A≤ 0.85 MPa), super pressure heavy alarm (A> 0.85 MPa), and error monitoring alarm (A<0); when the detected pressure value A is in the normal range, the pressure determination unit outputs the execution control instruction until the instruction is completed; when the detected pressure value A is in the low pressure alarm, the pressure determination unit outputs the charging instruction, and then detects the pressure value again; when the detected pressure value A is in the super pressure alarm, the pressure determination unit inputs the signal to the safety detection unit for detection.

[0028] Further, the determination method of the fault determination unit is: during initialization detection, the electromagnetic valve is powered on immediately to detect the pressure, if the pressure < 0.2 MPa, the condition of "no action when the electromagnetic valve is powered on" is met, the "air source alarm" is triggered, if the action state is normal, a 3-second monitoring period is entered, and the air cannon pressure and the action state of the electromagnetic valve are detected in the period, if the pressure > 0.2 MPa and the action is completed, the output result is normal state, and the process is continuously executed, and in the detection process, the action state of the electromagnetic valve and the air cannon pressure condition are combined to obtain the judgment logic of the running state as shown in the following table: Action state Pressure condition Output result Completion <0.2 MPa Normal state Completion ≥0.2 MPa Solenoid valve failure Incompletion <0.2 MPa Solenoid valve failure Incompletion ≥0.2 MPa Solenoid valve failure

[0029] Further, the method for detecting the action state of the electromagnetic valve is: during the execution of the air cannon running program, when the action signal feedback of the electromagnetic valve is received, it is determined that the action state is action, and then the output result is normal, and then the air cannon running program is continuously executed; if it is determined that the action is not action or the action is timeout alarm, the output result is electromagnetic valve fault.

[0030] Further, the detection method of the safety detection unit is: when it is detected that the equipment stops, the charging is immediately prohibited, all air cannons are triggered in sequence, and the air cannons are kept at 1-second interval to ensure that each air cannon is fired once in a single stop period; when the equipment resumes running, the charging is re-enabled, and the firing state flag is reset; the method ensures that the charging state is strictly synchronized with the equipment state, the firing operation cannot be accidentally interrupted, and the state change can be responded in real time by detecting once per second. Embodiment 3

[0031] In this embodiment, the inventors also provide a computer-readable storage medium having a computer program stored thereon, and the computer program is executed by a processor to implement the steps in any one of the mine air cannon control methods. Embodiment 4

[0032] In this embodiment, the inventors also provide a computer program product comprising computer programs / instructions, and the programs / instructions are executed by a processor to implement the steps in any one of the mine air cannon control methods.

[0033] Based on the above embodiments, the inventors know from actual application that the present application has the following advantages: 1. Flexible use: the use of the system enhances the flexibility in operation, the personnel operation is convenient, the picture directly shows the health running state of each air cannon, and this is beneficial to preventing fault rising 2. Cost compression: compared with other technical directions, the present application has rich external expansion points, other useless functions are added according to the actual demand on the site, the cost is controlled, and invalid waste is avoided 3. Security enhancement: The security protection set by the prior art technical direction has logical loopholes to different degrees, and personnel have safety risks and misoperation conditions when entering the working range of the air cannon. The present application is completely synchronized with the device state, the device stops energy release, the device starts energy charging, and the touch screen displays the corresponding pressure conditions with a double protection mechanism; 4. Convenient maintenance: Through the touch screen and data interaction, the on-site operating personnel can intuitively understand which air cannon has a fault, and can maintain the production through shielding in an emergency. Meanwhile, professional technicians only need to focus on learning one technology to maintain the system.

[0034] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they relate.

[0035] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mine air cannon control system, characterized by: It includes air cannon control terminal, control module, monitoring module, processing module and display monitoring module; The control module is connected to the air cannon control terminal by telecommunication. The control module adopts an external control cabinet, which is used to input control signals to the air cannon control terminal and receive feedback, and at the same time provide external power supply and signal transfer for the processing module; The monitoring module is connected to the control module by telecommunications and is composed of pressure sensors installed on several air cannon control terminals. It is used to perform real-time pressure monitoring and fault monitoring of the running air cannon. The pressure monitoring is associated with the safe mode of the air cannon operation. The processing module is connected to the control module by telecommunication and adopts a single-chip microcomputer development board, which is also provided with a pressure determination unit, a fault determination unit, a safety detection unit, more than 10 air cannon external control ports and several spare ports. It is used to control the operation of the air cannon, receive and feedback on-site instructions and provide status feedback. At the same time, it exchanges data with the monitoring module through the control module and processes the real-time data fed back by the monitoring module on the air cannon control end; The display monitoring module is connected to the processing module by telecommunications and adopts an industrial touch screen for data exchange with the control module through the processing module. It can set the air cannon operation program associated with the processing module and perform data access, command output and display the air cannon operation status, serving as the master and slave station of the ring network; The pressure determination unit is used to detect the air cannon pressure during the operation of the air cannon control system and provide feedback; The fault determination unit is used to detect the running status of the air cannon running program; The safety detection unit is used for real-time detection, protection and feedback of the on-site air cannon operating status.

2. A mine air cannon control system according to claim 4, characterized in that: The air cannon control end is configured as a solenoid valve on the air inlet and outlet of the air cannon.

3. A mine air cannon control system according to claim 4, characterized in that: The display monitoring module and the processing module are connected in telecommunication mode through a wireless 485 communication module.

4. A method for controlling a mine air cannon, characterized in that: Applied to a mining air cannon control system, the method specifically includes the following steps: S1. During the operation of the air cannon, the monitoring module monitors and collects the pressure data and operation status of the air cannon control terminal in real time; S2. The pressure determination unit, fault determination unit, and safety detection unit in the processing module determine and detect the pressure data and action status on the air cannon control terminal, thereby outputting corresponding instructions to control the operation of the air cannon.

5. A method for controlling a mine air cannon according to claim 4, characterized in that: The determination method of the pressure determination unit is as follows: the interval of the detected pressure value A is divided into low pressure alarm (0≤A<0.5 MPa), normal range (0.5≤A≤0.7 MPa), overpressure light alarm (0.7<A≤0.8 MPa), overpressure severe alarm (A>0.85 MPa), and error monitoring alarm (A<0). When the detected pressure value A is detected to be within the normal range, the pressure determination unit outputs an execution control instruction until the instruction is completed; when the detected pressure value A is detected to be a low pressure alarm, the pressure determination unit outputs a charging instruction and then performs pressure value detection again; when the detected pressure value A is detected to be an overpressure alarm, the pressure determination unit inputs a signal to the safety detection unit for detection; when it is determined to be an error monitoring alarm (A<0), an alarm prompt "air pressure error input" will be issued.

6. A method for controlling a mine air cannon according to claim 4, characterized in that: The fault judgment unit's judgment method is as follows: during initialization testing, the solenoid valve immediately detects pressure after being energized. If the pressure is less than 0.2 MPa, the "solenoid valve does not operate when energized" condition is met, triggering the "air source alarm." If the operating status is normal, a 3-second monitoring cycle is entered. During this cycle, the air cannon pressure and the solenoid valve operating status are cyclically detected. If the pressure is greater than 0.2 MPa and the operation is completed, the result is output as normal and the process continues. During the detection process, the operating status of the solenoid valve and the air cannon pressure conditions are combined to obtain the judgment logic of the operating status as shown in the following table:

7. A mine air cannon control method according to claim 4, characterized in that: The method for detecting the operating state of the solenoid valve is as follows: during the execution of the air cannon operation program, when the solenoid valve operation signal feedback is received, if its operation state is determined to be action, the output result is normal, and then the air cannon operation program is continued; if it is determined to be non-action or the action timeout alarm is issued, the output result is a solenoid valve failure.

8. A method for controlling a mine air cannon according to claim 4, characterized in that: The safety detection unit has a detection method as follows: when it detects that the equipment has stopped, charging is immediately prohibited, and all air cannons are triggered in sequence, with a 1-second interval between each air cannon firing to ensure that each air cannon fires once within a single stop cycle; when the equipment resumes operation, charging is re-enabled and the firing status flag is reset. This method ensures that the charging status is strictly synchronized with the equipment status, and the firing operation will not be accidentally interrupted. Detection once a second allows for immediate response to status changes.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by the processor, the steps in any of the above-mentioned mining air cannon control methods are implemented.

10. A computer program product comprising a computer program / instructions, characterized in that: When the program / instruction is executed by the processor, the steps in any of the above-mentioned mining air cannon control methods are implemented.

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