Loading and unloading-based closed-loop control system
By introducing weighing sensors and IoT controllers in the loading and unloading system, the weight of materials during loading and unloading is solved in real time, and the loading and unloading efficiency and safety are improved.
Patent Information
- Application Number
- CN202411706629.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-02-25
AI Technical Summary
The existing closed-loop control system based on loading and unloading cannot monitor the weight of materials in real time during loading or unloading, resulting in equipment that may be overloaded or unloading material stagnant.
A closed-loop control system based on loading and unloading is designed, using the material conveyor device, proximity sensor, material weighing device, metering operation station, local metering server and other components. It weighs all aspects through the weighing sensor, and uses the Internet of Things controller to realize the interconnection between the devices. The dynamic weighing unit transmits data in real time, the finishing judgment unit performs data judgment processing, and controls the overlimit alarm module to issue an alarm processing.
Real-time weight monitoring of the loading and unloading process is realized, preventing equipment from overloading and unloading material hysteresis, and improving loading and unloading efficiency and safety.
Smart Images

Figure CN119511792A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of loading and unloading equipment, and in particular to a closed-loop control system based on loading and unloading. Background Art
[0002] A closed-loop control system is a type of control system. Specifically, it refers to sending part or all of the output of the control system back to the input of the system through certain methods and devices, then comparing the feedback information with the original input information, and then applying the comparison result to the system for control to prevent the system from deviating from the predetermined target. The closed-loop control system uses negative feedback. That is, an automatic control system consisting of a closed loop consisting of a signal forward path and a feedback path, also known as a feedback control system. With the continuous development of science and technology, closed-loop control systems have gradually been applied to different industries. For example, closed-loop control systems are also used in loading and unloading equipment, which can not only greatly increase the efficiency of loading and unloading equipment, but also reduce the workload of staff. However, the existing closed-loop control system based on loading and unloading still has some shortcomings, such as the inability to monitor the weight of materials in real time during loading or unloading, which can easily lead to equipment overloading or unloading stagnation. For this reason, we propose a closed-loop control system based on loading and unloading. Summary of the invention
[0003] The object of the present invention is to provide a closed-loop control system based on loading and unloading to solve the problems raised in the above background technology.
[0004] To achieve the above object, the present invention provides the following technical solutions: A closed-loop control system based on loading and unloading includes platform creation, equipment control, and motion capture processing. The platform creation includes: creating a data control platform, wherein the data control platform includes multiple devices corresponding to multiple unloading objects respectively; receiving an unloading instruction, wherein the unloading instruction includes tunnels to be unloaded in multiple devices; searching for a corresponding unloading object corresponding to the tunnel to be unloaded from one or more unloading objects according to the unloading instruction; the equipment control includes a distributor, a proximity sensor, a material weighing device, a metering operation station, a local metering server, a motion acquisition device, a mark reading device, a laser scanning device, and a processing control device of a material conveying device; the motion capture processing includes: using a motion acquisition device to detect the unloading action of the device and form action data, using a motion storage device to store the action data, and using a mark reading device to acquire an unloading position signal emitted by a position marker; measuring the distance between the target unloading position and the device by a laser scanning device, controlling the operation of the device by a processing control device, and controlling the device to execute the action data; The closed-loop control system based on loading and unloading includes an intelligent terminal, the intelligent terminal is electrically connected to the Internet of Things controller, the Internet of Things controller is electrically connected to the control server, one end of the control server is electrically connected to the Internet of Things classification platform, the Internet of Things classification platform is electrically connected to the transmission server, the transmission server is electrically connected to the information collector, the information collector is electrically connected to the central processing unit, the central processing unit is electrically connected to the data acquisition unit, the data acquisition unit is electrically connected to the data processing module, the data processing module is electrically connected to the data transmission unit, the data transmission unit is electrically connected to the preset value database, the preset value database is electrically connected to the power supply module, the power supply module is electrically connected to the detection module, and the detection module is electrically connected to the detection module. The measuring module is electrically connected to the weight sensing module, the weight sensing module includes a weight acquisition module, the weight acquisition module is electrically connected to the weight control module, the weight control module is electrically connected to the feedback module, the feedback module is electrically connected to the weighing sensor, the weighing sensor is electrically connected to the weighing system controller, the weighing system controller is electrically connected to the signal amplifier, the signal amplifier is electrically connected to the A / D converter, the A / D converter is electrically connected to the dynamic weighing unit, the dynamic weighing unit is electrically connected to the end judgment unit, the end judgment unit is electrically connected to the processing unit, the processing unit is electrically connected to the display platform, the display platform is electrically connected to the clock module, and the clock module is electrically connected to the control over-limit alarm module.
[0005] Further: the weighing sensor includes a front weighing sensor, the front weighing sensor is electrically connected to the left weighing sensor, the left weighing sensor is electrically connected to the right weighing sensor, the right weighing sensor is electrically connected to the rear weighing sensor, and the rear weighing sensor is electrically connected to the weighing wiring processing box.
[0006] Further: the control over-limit alarm module includes a receiving module, the receiving module is electrically connected to the preset module, the preset module is electrically connected to the data comparison module, the data comparison module is electrically connected to the processing module, and the processing module is electrically connected to the alarm module.
[0007] Further: the clock module includes a monitoring module, the monitoring module is electrically connected to the anti-tampering module, the anti-tampering module is electrically connected to the log module, and the log module is electrically connected to the synchronization module.
[0008] Further: the display platform is an LED display screen, the display platform includes a display module, the display module is electrically connected to the split-screen module, and the split-screen module is electrically connected to the operation module.
[0009] Further: the other end of the control server is electrically connected to the core module, the core module is electrically connected to the extension module, the extension module is electrically connected to the control module, and the control module is electrically connected to the cloud data module.
[0010] Further: the weighing system controller includes a switch module, the switch module includes four groups, and the four groups of switch modules correspond to the front weighing sensor, the left weighing sensor, the right weighing sensor, and the rear weighing sensor in turn, and the switch module is electrically connected to the power module one.
[0011] Furthermore: the front weighing sensor, the left weighing sensor, the right weighing sensor and the rear weighing sensor are respectively installed at the front, left, right and rear of the material weighing device.
[0012] Furthermore: the distributor of the material conveying device includes a PLC controller, and the PLC controller is electrically connected to the central processing unit.
[0013] Compared with the prior art, the present invention has the following beneficial effects: The closed-loop control system based on loading and unloading completes the steps of introducing third-party detection equipment through the distributor, proximity sensor, material weighing device, metering operation station and local metering server of the material conveying device proposed in this article, realizes the detection of loading and unloading to prevent equipment overload and unloading stagnation; the weighing sensor is set, and the weighing sensor consists of a front weighing sensor, a left weighing sensor, a right weighing sensor and a rear weighing sensor, which can weigh and detect materials in an all-round way. At the same time, the Internet of Things controller is set to enable all ordinary physical objects that can be independently addressed to realize the interconnection of network devices. At the same time, a dynamic weighing unit and a tail judgment unit are set. The dynamic weighing unit is used to transmit dynamic weighing data in real time, and the tail judgment unit can judge and process the weighed data to check whether it is abnormal. A control over-limit alarm module is set. When the equipment is overloaded and unloading stagnation occurs, the control over-limit alarm module will issue an alarm through the display platform. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a flow chart of the system of the present invention; Figure 2 This is a block diagram of the weighing sensor subsystem of the present invention; Figure 3 This is a block diagram of the control over-limit alarm module subsystem of the present invention; Figure 4 It is a schematic diagram of the process of the present invention.
[0015] In the figure: 1. Intelligent terminal; 2. Internet of Things controller; 3. Control server; 4. Core module 5. Extension module; 6. Control module; 7. Cloud data module; 8. Internet of Things classification platform; 9. Transmission server; 10. Information collector; 11. Central processing unit; 12. Data acquisition unit; 13. Data processing module; 14. Data transmission unit; 15. Preset value database; 16. Power module; 17. Detection module; 18. Measurement module; 19. Weight sensor module; 20. Weight acquisition module block; 21. weight control module; 22. feedback module; 23. weighing sensor; 231. front weighing sensor; 232. left weighing sensor; 233. right weighing sensor; 234. rear weighing sensor; 235. weighing wiring processing box; 24. weighing system controller; 25. signal amplifier; 26. A / D converter; 27. dynamic weighing unit; 28. end judgment unit; 29. processing unit; 30. display platform; 31. clock module; 32. control over-limit alarm module. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example
[0017] See also Figure 1-4 The present invention provides a technical solution: a closed-loop control system based on loading and unloading, including platform creation, equipment control, and motion capture processing. The platform creation includes: creating a data control platform, wherein the data control platform includes multiple devices corresponding to multiple unloading objects respectively; receiving an unloading instruction, wherein the unloading instruction includes tunnels to be unloaded in multiple devices; searching for a corresponding unloading object corresponding to the tunnel to be unloaded from one or more unloading objects according to the unloading instruction; the equipment control includes a distributor, a proximity sensor, a material weighing device, a metering operation station, a local metering server, a motion acquisition device, a mark reading device, a laser scanning device, and a processing control device of a material conveying device; the motion capture processing includes: using a motion acquisition device to detect the unloading action of the device and form action data, using a motion storage device to store the action data, and using a mark reading device to acquire an unloading position signal emitted by a position marker; measuring the distance between the target unloading position and the device through a laser scanning device, controlling the operation of the device through a processing control device, and controlling the device to execute the action data; The closed-loop control system based on loading and unloading includes an intelligent terminal 1, which includes a data control platform. The intelligent terminal 1 is electrically connected to an Internet of Things controller 2. The Internet of Things controller 2 can be used to enable all ordinary physical objects that can be independently addressed to realize interconnected network devices. The Internet of Things controller 2 is electrically connected to a control server 3. One end of the control server 3 is electrically connected to an Internet of Things classification platform 8. The Internet of Things classification platform 8 is electrically connected to a transmission server 9. The transmission server 9 is used to transmit all data. The transmission server 9 is electrically connected to an information collector 10. The information collector 10 is used to receive and collect weighing data. The information collector 10 is electrically connected to a central processor 11. The central processor 11 is electrically connected The data acquisition unit 12 is electrically connected to the data processing module 13. The data acquisition unit 12 and the data processing module 13 are used to receive and process the weighing data transmitted by the central processing unit 11. The data processing module 13 is electrically connected to the data transmission unit 14. The data transmission unit 14 is electrically connected to the preset value database 15. The weighing data after processing can be transmitted to the preset value database 15 through the data transmission unit 14. The preset value database 15 is electrically connected to the power module 16. The power module 16 is used to detect and manage power. The power module 16 is electrically connected to the detection module 17. The detection module 17 is used to detect whether the circuit is operating normally. The detection module 17 is electrically connected to the measurement module 18 The measuring module 18 is electrically connected to the weight sensing module 19. The weight sensing module 19 includes a weight acquisition module 20. The weight acquisition module 20 is used to collect the weighing information data of the material. The weight acquisition module 20 is electrically connected to the weight control module 21. The weight control module 21 can be used to adjust the weighing unit and clear the data. The weight control module 21 is electrically connected to the feedback module 22. The feedback module 22 is electrically connected to the weighing sensor 23. The weighing sensor 23 is used to perform weighing processing, so as to monitor the overload and unloading of the equipment. The weighing sensor 23 is electrically connected to the weighing system controller 24. The weighing system controller 24 is electrically connected to the signal amplifier 25. The signal amplifier 25 is electrically connected The A / D converter 26 is connected, and the A / D converter 26 is electrically connected to the dynamic weighing unit 27. The dynamic weighing unit 27 is used to transmit dynamic weighing data in real time. The dynamic weighing unit 27 is electrically connected to the end judgment unit 28, and the end judgment unit 28 is electrically connected to the processing unit 29. The end judgment unit 28 and the processing unit 29 can judge and process the weighed data to check whether there is any abnormality. The processing unit 29 is electrically connected to the display platform 30, and the display platform 30 is electrically connected to the clock module 31. The clock module 31 is electrically connected to the control over-limit alarm module 32. When the equipment is overloaded and unloading material is stagnant, the control over-limit alarm module 32 will issue an alarm through the display platform 30.
[0018] Among them, preferably, the weighing sensor 23 includes a front weighing sensor 231, the front weighing sensor 231 is electrically connected to the left weighing sensor 232, the left weighing sensor 232 is electrically connected to the right weighing sensor 233, and the right weighing sensor 233 is electrically connected to the rear weighing sensor 234. The materials can be weighed from four directions through the front weighing sensor 231, the left weighing sensor 232, the right weighing sensor 233, and the rear weighing sensor 234, so that the weighing can be performed more accurately to avoid overloading. The rear weighing sensor 234 is electrically connected to the weighing wiring processing box 235.
[0019] Preferably, the control over-limit alarm module 32 includes a receiving module, the receiving module is used to receive real-time weighing data, the receiving module is electrically connected to the preset module, the preset module is used to set the weighing data, the preset module is electrically connected to the data comparison module, the data comparison module is used to compare the real-time weighing data and compare whether it is overweight. At the same time, through the comparison of data, the equipment will also be checked to see whether it has material stagnation. The data comparison module is electrically connected to the processing module, and the processing module is electrically connected to the alarm module. The alarm module is used to issue an alarm when overloading and unloading material stagnation occur.
[0020] Preferably, the clock module 31 includes a monitoring module, which is used to monitor the weighing data in real time. The monitoring module is electrically connected to the anti-tampering module, which can prevent malicious tampering of the weighing data. The anti-tampering module is electrically connected to the log module, and the weighing data monitored by the monitoring module will be recorded in the form of a log through the log module. The log module is electrically connected to the synchronization module, and the synchronization module is used to synchronously update the weighing data. Example
[0021] Reference Figure 1-4, this embodiment is different from the first embodiment in that: the display platform 30 is an LED display screen, the display platform 30 includes a display module, the display module is electrically connected to the split screen module, the split screen module can split the display module, so as to facilitate the comparison and processing of data, the split screen module is electrically connected to the operation module, the operation module is used to operate the split screen content; the other end of the control server 3 is electrically connected to the core module 4, the core module 4 is electrically connected to the extension module 5, the extension module 5 is electrically connected to the control module 6, the control module 6 is electrically connected to the cloud data module 7, and the cloud data module 7 is used to receive cloud data; the weighing system controller 24 includes a switch module, the switch module includes four groups, and the four groups of switch modules correspond to the front weighing sensor 231, the left weighing sensor 232, the right weighing sensor 233, and the rear weighing sensor 234 in sequence. The weighing sensor 234 and the switch module are electrically connected to the power module 1. The power module 1 can be used to supply power to the weighing system controller 24 separately, and the weighing sensors at the corresponding positions can be controlled to be turned on in sequence through the switch module to achieve the effect of precise adjustment. The front weighing sensor 231, the left weighing sensor 232, the right weighing sensor 233, and the rear weighing sensor 234 are respectively installed at the front, left, right, and rear of the material weighing device. This arrangement can weigh the material from all sides of the material weighing device, so as to weigh the material more accurately and prevent the equipment from being overloaded. The distributor of the material conveying device includes a PLC controller, which is electrically connected to the central processing unit 11. The material conveying device can be programmed and controlled through the PLC controller to meet different material feeding requirements.
[0022] The electrical appliances mentioned in this article are all connected to an external power source through wires.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A closed-loop control system based on loading and unloading, including platform creation, equipment control, and motion capture processing, characterized in that: The platform creation includes: creating a data control platform, wherein the data control platform includes multiple devices corresponding to multiple unloading objects respectively; receiving an unloading instruction, wherein the unloading instruction includes tunnels to be unloaded in multiple devices; searching for a corresponding unloading object corresponding to the tunnel to be unloaded from one or more unloading objects according to the unloading instruction; the equipment control includes a distributor of a material conveying device, a proximity sensor, a material weighing device, a metering operation station, a local metering server, a motion acquisition device, a mark reading device, a laser scanning device, and a processing control device; the motion capture processing includes: using a motion acquisition device to detect the unloading action of the equipment and form action data, using a motion storage device to store the action data, and using a mark reading device to acquire an unloading position signal emitted by a position marker; measuring the distance between the target unloading position and the equipment by a laser scanning device, controlling the operation of the equipment by a processing control device, and controlling the equipment to execute the action data; The closed-loop control system based on loading and unloading comprises an intelligent terminal (1), the intelligent terminal (1) is electrically connected to an Internet of Things controller (2), the Internet of Things controller (2) is electrically connected to a control server (3), one end of the control server (3) is electrically connected to an Internet of Things classification platform (8), the Internet of Things classification platform (8) is electrically connected to a transmission server (9), the transmission server (9) is electrically connected to an information collector (10), the information collector (10) is electrically connected to a central processing unit (11), the central processing unit (11) is electrically connected to a data collection unit (12), the data collection unit (12) is electrically connected to a data processing module (13), the data processing module (13) is electrically connected to a data transmission unit (14), the data transmission unit (14) is electrically connected to a preset value database (15), the preset value database (15) is electrically connected to a power supply module (16), the power supply module (16) is electrically connected to a detection module (17), the detection module (17) is electrically connected to a measurement module (18), the measurement module (18 ... The module (18) is electrically connected to a weight sensing module (19), the weight sensing module (19) comprises a weight acquisition module (20), the weight acquisition module (20) is electrically connected to a weight control module (21), the weight control module (21) is electrically connected to a feedback module (22), the feedback module (22) is electrically connected to a weighing sensor (23), the weighing sensor (23) is electrically connected to a weighing system controller (24), the weighing system controller (24) is electrically connected to a signal amplifier (25), The signal amplifier (25) is electrically connected to an A / D converter (26), the A / D converter (26) is electrically connected to a dynamic weighing unit (27), the dynamic weighing unit (27) is electrically connected to a final determination unit (28), the final determination unit (28) is electrically connected to a processing unit (29), the processing unit (29) is electrically connected to a display platform (30), the display platform (30) is electrically connected to a clock module (31), and the clock module (31) is electrically connected to a control over-limit alarm module (32).
2. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The weighing sensor (23) comprises a front weighing sensor (231), the front weighing sensor (231) is electrically connected to a left weighing sensor (232), the left weighing sensor (232) is electrically connected to a right weighing sensor (233), the right weighing sensor (233) is electrically connected to a rear weighing sensor (234), and the rear weighing sensor (234) is electrically connected to a weighing wiring processing box (235).
3. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The control over-limit alarm module (32) comprises a receiving module, the receiving module is electrically connected to a preset module, the preset module is electrically connected to a data comparison module, the data comparison module is electrically connected to a processing module, and the processing module is electrically connected to an alarm module.
4. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The clock module (31) comprises a monitoring module, the monitoring module is electrically connected to the tamper-proof module, the tamper-proof module is electrically connected to the log module, and the log module is electrically connected to the synchronization module.
5. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The display platform (30) is an LED display screen, and the display platform (30) comprises a display module, the display module is electrically connected to a split screen module, and the split screen module is electrically connected to an operation module.
6. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The other end of the control server (3) is electrically connected to the core module (4), the core module (4) is electrically connected to the extension module (5), the extension module (5) is electrically connected to the control module (6), and the control module (6) is electrically connected to the cloud data module (7).
7. A closed-loop control system based on loading and unloading according to claim 2, characterized in that: The weighing system controller (24) includes a switch module, the switch module includes four groups, and the four groups of switch modules correspond to the front weighing sensor (231), the left weighing sensor (232), the right weighing sensor (233), and the rear weighing sensor (234) in sequence, and the switch module is electrically connected to the power supply module 1.
8. A closed-loop control system based on loading and unloading according to claim 2, characterized in that: The front weighing sensor (231), the left weighing sensor (232), the right weighing sensor (233), and the rear weighing sensor (234) are respectively installed at the front, left, right, and rear of the material weighing device.
9. A closed-loop control system based on loading and unloading according to claim 1, characterized in that: The distributor of the material conveying device comprises a PLC controller, and the PLC controller is electrically connected to a central processing unit (11).