Automated opening and closing control system and method for a container roof hatch

Abstract

The present application relates to the technical field of container accessory equipment control, in particular to an automatic opening and closing control system and method for a container top sliding cover, which comprises a sliding cover mechanical execution module, a position detection module, a drive control module, a safety protection module and a linkage control interface module.The drive control module serves as the core hub, receives operation instructions and coordinates the operation of the whole machine.The position detection module collects the position of the sliding cover in real time throughout the process.The sliding cover mechanical execution unit receives control signals and completes the automatic opening and closing of the sliding cover, thereby solving the problem that the opening and closing of the existing container top sliding cover completely relies on manual operation, and a single sliding cover needs to be turned by hand for dozens of circles to be fully opened, which cannot meet the tactical needs of rapid oil supply in the scenarios of multiple sliding covers or frequent start-stop operations.

Description

Technical Field

[0001] This invention relates to the field of container auxiliary equipment control technology, and in particular to an automated switching control system and method for a container top sliding cover. Background Technology

[0002] In field fuel support equipment, rapid fuel delivery and receiving modules generally adopt the form of standard containers, which integrate pump units, pipeline systems, loading arms and lifting platforms, etc. To enable loading arms to extend from the top of the container for top loading and unloading operations, the container top cover is designed to be openable at the position corresponding to the loading arms, and is equipped with a track-mounted movable top cover.

[0003] Currently, the opening and closing of existing container top sliding covers rely entirely on manual operation. A single sliding cover requires dozens of hand cranks to fully open, which is insufficient to meet the tactical needs for rapid fuel supply in scenarios with multiple sliding covers or frequent start-stop operations. Summary of the Invention

[0004] The purpose of this invention is to provide an automated opening and closing control system and method for a container top sliding cover, which aims to solve the problem that the opening and closing of existing container top sliding covers relies entirely on manual operation. A single sliding cover needs to be cranked dozens of times by hand to fully open, which is difficult to meet the tactical requirements for rapid fuel supply in scenarios with multiple sliding covers or frequent start-stop operations.

[0005] To achieve the above objectives, in a first aspect, the present invention provides an automated opening and closing control system for a container top sliding cover, comprising a sliding cover mechanical actuation module, a position detection module, a drive control module, a safety protection module, and a linkage control interface module. The position detection module is connected to the sliding cover mechanical execution module; the drive control module is connected to both the sliding cover mechanical execution module and the position detection module; the safety protection module is connected to both the drive control module and the sliding cover mechanical execution module; the linkage control interface module is connected to the drive control module. The sliding cover mechanical actuation module is used to execute the opening and closing commands of the container top sliding cover; The position detection module is used to detect the position status of the sliding cover in real time; The drive control module is used to control the operation of the sliding cover mechanical actuation module to realize the opening and closing of the sliding cover; The security protection module is used to construct multiple security protection mechanisms; The linkage control interface module is used to realize communication and interlocking control between the sliding cover system and external devices.

[0006] The position detection module comprises a full opening position detection unit, a full closing position detection unit and a displacement detection unit, the full opening position detection unit is connected with the mechanical execution module of the sliding cover, the full closing position detection unit is connected with the mechanical execution module of the sliding cover, and the displacement detection unit is connected with the mechanical execution module of the sliding cover. The full opening position detection unit is used for detecting whether the sliding cover is fully opened to position. The full closing position detection unit is used for detecting whether the sliding cover is fully closed to position. The displacement detection unit is used for real-time displacement measurement, opening degree calculation and closed-loop speed regulation.

[0007] The driving control module comprises a main control unit, a man-machine interaction unit and a motor driving unit, the man-machine interaction unit is connected with the main control unit, and the motor driving unit is connected with the main control unit. The main control unit is used for receiving all sensor signals, local and remote operation instructions and interlocking signals. The man-machine interaction unit is used for providing local opening, closing and stopping operations and emergency stop protection. The motor driving unit is used for amplifying a weak current control signal into a power driving signal.

[0008] The safety protection module comprises an obstacle detection unit, an overload protection unit, an emergency stop unit and a self-locking retention unit, the overload protection unit is connected with the obstacle detection unit, the emergency stop unit is connected with the overload protection unit, and the self-locking retention unit is connected with the emergency stop unit. The obstacle detection unit is used for detecting whether there is an obstacle such as a person or sundries in front of the sliding cover in real time during the closing process of the sliding cover. The overload protection unit is used for monitoring motor working current in real time, identifying abnormal working conditions such as motor blockage, jamming and excessive load. The emergency stop unit is used for emergency danger avoidance in case of sudden danger or fault. The self-locking retention unit is used for automatically locking the lead screw and the mechanical structure of the sliding cover after power failure and shutdown.

[0009] The linkage control interface module comprises a crane lifting platform linkage interface and a centralized control system interface, the centralized control system interface is connected with the crane lifting platform linkage interface. The crane lifting platform linkage interface is used for bidirectional safety interlocking with a crane lifting platform in a container. The centralized control system interface is used for accessing a central control system bus of a complete set of equipment, realizing centralized monitoring, remote scheduling and information management of training data.

[0010] The main control unit is PLC or single-chip microcomputer, and a control logic program is built-in.

[0011] The motor driving module adopts an H-bridge driving circuit or a servo driver, and receives a PWM signal of the main controller to control the forward rotation, reverse rotation, rotation speed and start / stop of the reduction motor.

[0012] In the second aspect, the application further provides an automatic opening and closing control method of the container top sliding cover, comprising: The driving control module sends a unified operation instruction; The position detection module feeds back the position state in real time; The sliding cover mechanical execution unit executes the opening and closing action; The safety protection module dynamically ensures safety throughout the process; The linkage control interface module completes equipment interlocking and data interaction.

[0013] The automatic opening and closing control system of the container top sliding cover provided by the application has the driving control module as the core hub, receives operation instructions and plans the operation of the whole machine, the position detection module collects sliding cover position and opening degree data throughout the process and feeds back the data, realizes closed-loop precise regulation and control, the sliding cover mechanical execution unit receives control signals and completes the automatic opening and closing action of the sliding cover, the safety protection module monitors the working condition and environment throughout the process, realizes anti-pinch, overload protection, emergency stop and power-off self-locking, ensures operation safety, the linkage control interface module realizes time sequence interlocking with the crane pipe equipment, data interaction with the central control system and remote control, and the whole system independently completes intelligent, safe and linked sliding cover automatic opening and closing operation, thereby solving the problem that the opening and closing of the existing container top sliding cover completely depends on manual operation, a single sliding cover needs to be manually rotated for dozens of circles to be completely opened, and in the scene of multiple sliding covers or frequent opening and closing operation, it is difficult to meet the tactical demand of rapid oil supply. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0015] Figure 1 is the overall structure schematic diagram of the automatic opening and closing control system of the container top sliding cover.

[0016] Figure 2 is the structure schematic diagram of the position detection module of the automatic opening and closing control system of the container top sliding cover.

[0017] Figure 3 is the structure schematic diagram of the driving control module of the automatic opening and closing control system of the container top sliding cover.

[0018] Figure 4 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application.

[0019] Figure 5 is a structural schematic diagram of a linkage control interface module of an automatic opening and closing control system of a container top sliding cover of the present application.

[0020] Figure 6 is a flow chart of an automatic opening and closing control method of a container top sliding cover of the present application.

[0021] 101-sliding cover mechanical execution module, 102-position detection module, 103-drive control module, 104-safety protection module, 105-linkage control interface module, 106-full opening position detection unit, 107-full closing position detection unit, 108-displacement detection unit, 109-main control unit, 110-human-computer interaction unit, 111-motor drive unit, 112-obstacle detection unit, 113-overload protection unit, 114-emergency stop unit, 115-self-locking retention unit, 116-hose lifting platform linkage interface, 117-centralized control system interface, DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] In a first aspect, the present application provides an automatic opening and closing control system of a container top sliding cover, Please refer to Figures 1-5 , wherein, Figure 1 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application. Figure 2 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application. Figure 3 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application. Figure 4 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application. Figure 5 is a structural schematic diagram of a safety protection module of an automatic opening and closing control system of a container top sliding cover of the present application.

[0024] The automatic opening and closing control system of the container top sliding cover comprises a sliding cover mechanical execution module 101, a position detection module 102, a drive control module 103, a safety protection module 104 and a linkage control interface module 105, the position detection module 102 comprises a full opening position detection unit 108106, a full closing position detection unit 108107 and a displacement detection unit, the drive control module 103 comprises a main control unit 109, a man-machine interaction unit 110 and a motor drive unit 111, the safety protection module 104 comprises an obstacle detection unit 112, an overload protection unit 113, an emergency stop unit 114 and a self-locking retention unit 115, and the linkage control interface module 105 comprises a crane lifting platform linkage interface 116 and a centralized control system interface 117, and the foregoing scheme solves the problem that the opening and closing of the existing container top sliding cover completely depends on manual operation, and it is difficult to meet the tactical demand of rapid oil supply in the scene of multiple sliding covers or frequent start-stop operation.

[0025] Further, the position detection module 102 is connected with the sliding cover mechanical execution module 101; the drive control module 103 is connected with the sliding cover mechanical execution module 101 and the position detection module 102; the safety protection module 104 is connected with the drive control module 103 and the sliding cover mechanical execution module 101; and the linkage control interface module 105 is connected with the drive control module 103. In the embodiment, the drive control module 103 serves as the core hub, receives operation instructions and plans the operation of the whole machine, the position detection module 102 collects sliding cover position and opening degree data in real time throughout the process and returns, realizes closed-loop precise control, the sliding cover mechanical execution unit receives control signals and completes automatic opening and closing of the sliding cover, the safety protection module 104 monitors the working condition and environment throughout the process, realizes anti-pinch, overload protection, emergency stop and power-off self-locking, ensures operation safety, and the linkage control interface module 105 realizes time sequence interlocking with the crane equipment, data interaction with the central control system and remote control, and the whole system independently completes intelligent, safe and linked sliding cover automatic opening and closing operation, thereby solving the problem that the opening and closing of the existing container top sliding cover completely depends on manual operation, and it is difficult to meet the tactical demand of rapid oil supply in the scene of multiple sliding covers or frequent start-stop operation.

[0026] Further, the full opening position detection unit 108106 is connected with the sliding cover mechanical execution module 101; the full closing position detection unit 108107 is connected with the sliding cover mechanical execution module 101; and the displacement detection unit is connected with the sliding cover mechanical execution module 101, In the embodiment, the closed-loop acquisition principle of double-limiting point detection and encoder dynamic detection is adopted, and three types of devices work together: the full-on and full-off position sensors at both ends are responsible for determining the limit travel position of the sliding cover, and are triggered accurately when the sliding cover runs to the maximum opening and complete closing points, to realize limit stop protection; the displacement encoder mounted on the motor or the end of the screw can collect the transmission displacement pulse signal in real time, and convert the real-time opening degree, running speed and remaining travel of the sliding cover, and all detection data are uploaded to the main controller in real time, which realizes accurate control of sliding cover start-stop limit, S-shaped smooth speed regulation, and avoids positioning deviation through double detection redundancy, to ensure the accuracy of sliding cover opening and closing position and smooth operation.

[0027] Further, the human-computer interaction unit 110 is connected with the main control unit 109; the motor driving unit 111 is connected with the main control unit; In the embodiment, the main controller unit 109 receives the signal of the position detection module 102 and the operation instruction, and controls the operation of the reduction motor through the motor driving unit 111.

[0028] Further, the overload protection unit 113 is connected with the obstacle detection unit 112; the emergency stop unit 114 is connected with the overload protection unit 113; the self-locking retention unit 115 is connected with the emergency stop unit 114; In the embodiment, the obstacle detection unit 112 is used to identify the obstacles in the closing path of the sliding cover in real time, to trigger the anti-pinch and anti-collision protection, the overload protection unit 113 is used to monitor the motor load and current in real time, to avoid damage to the equipment caused by blocking and overload, the emergency stop unit 114 provides emergency power-off stop function, which is suitable for sudden dangerous working conditions, and the self-locking retention unit 115 can lock the mechanical structure of the sliding cover after stop and power-off, to prevent sliding and looseness, through the cooperation of the above-mentioned units, the safety of the sliding cover operation and human-computer operation is ensured from the whole scene of operation process, equipment working condition, emergency disposal and static locking.

[0029] Further, the centralized control system interface 117 is connected with the kelly lifting platform linkage interface 116; In the embodiment, the communication and interlocking control between the sliding cover system and external equipment are realized, and the five core units adopt the hierarchical architecture of "execution layer-sensing layer-core control layer-safety guarantee layer-external interaction layer", and the overall connection relationship is as follows: the sensing layer, the safety guarantee layer and the external interaction layer are electrically connected to the driving control module 103, the driving control module 103 is electrically and functionally connected and controlled to the sliding cover mechanical execution unit, to form a closed-loop control system.

[0030] In the automatic opening and closing control system of the container top sliding cover, the driving control module 103 serves as the core hub, receives operation instructions and plans the operation of the whole machine, the position detection module 102 collects the position and opening degree data of the sliding cover in real time and returns, realizes closed-loop precise control, the sliding cover mechanical execution unit receives the control signal, completes the automatic opening and closing action of the sliding cover, the safety protection module 104 monitors the working condition and environment throughout the process, realizes anti-pinch, overload protection, emergency stop and power-off self-locking, ensures the safety of operation, and the linkage control interface module 105 realizes time sequence interlocking with the crane pipe equipment, data interaction with the central control system and remote control, and the whole system independently completes the intelligent, safe and linked sliding cover automatic opening and closing operation, thereby solving the problem that the opening and closing of the existing container top sliding cover completely depends on manual operation, and it is difficult to meet the tactical demand of rapid oil supply in the scene of multiple sliding covers or frequent start-stop operation.

[0031] In a second aspect, the application also provides an automatic opening and closing control method of a container top sliding cover, please refer to Figure 6 , wherein Figure 6 is a flowchart of an automatic opening and closing control method of a container top sliding cover, the automatic opening and closing control method of the container top sliding cover comprises S1 driving control module 103 sends operation instructions; The main controller unit of the driving control module 103 receives the opening and closing instructions of the local, remote control or central control end, combines the preset control logic of the whole machine, completes the system initial state verification, and establishes the whole machine operation control hub.

[0032] S2 position detection module 102 real-time feedback position state; During the whole process of the sliding cover operation, the position detection module 102 collects the opening degree and running speed data of the sliding cover in real time through the displacement encoder, and determines the limit position of the sliding cover through the full opening and full closing position sensor, and continuously feeds back the closed-loop position signal to the driving control module 103.

[0033] S3 sliding cover mechanical execution unit executes opening and closing action; The driving control module 103 controls the forward and reverse rotation of the reduction motor according to the instruction and position feedback signal, drives the double-sided sliding cover to open or close along the linear guide rail stably through the screw rod transmission mechanism, and completes the mechanical execution action.

[0034] S4 safety protection module 104 dynamically and safely underpins throughout the process; During the operation of the sliding cover, the safety protection module 104 monitors the working environment and equipment state in real time, realizes anti-pinch protection through obstacle detection, realizes motor overload protection through overload detection, cooperates with emergency stop and power-off self-locking function, and guarantees the safety of equipment and personnel throughout the process.

[0035] S5 linkage control interface module 105 completes the device interlocking and data interaction; Through the linkage interface 116 of the crane lifting platform, the timing interlocking linkage of the sliding cover and the working device is realized, through the centralized control system interface 117, the remote instruction receiving, the device state and the working data uploading and archiving are completed, and the full-process automatic operation is completed.

[0036] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned embodiments, and the equivalent changes made according to the claims of the application, still belong to the scope covered by the application.

Claims

1. An automated switching control system for a container top sliding cover, characterized in that, It includes a sliding cover mechanical actuation module, a position detection module, a drive control module, a safety protection module, and a linkage control interface module. The position detection module is connected to the sliding cover mechanical execution module; the drive control module is connected to both the sliding cover mechanical execution module and the position detection module; the safety protection module is connected to both the drive control module and the sliding cover mechanical execution module; the linkage control interface module is connected to the drive control module. The sliding cover mechanical actuation module is used to execute the opening and closing commands of the container top sliding cover; The position detection module is used to detect the position status of the sliding cover in real time; The drive control module is used to control the operation of the sliding cover mechanical actuation module to realize the opening and closing of the sliding cover; The security protection module is used to construct multiple security protection mechanisms; The linkage control interface module is used to realize communication and interlocking control between the sliding cover system and external devices.

2. The automated switching control system for a container top sliding cover as described in claim 1, characterized in that, The position detection module includes a fully open position detection unit, a fully closed position detection unit, and a displacement detection unit. The fully open position detection unit is connected to the sliding cover mechanical execution module; the fully closed position detection unit is connected to the sliding cover mechanical execution module; and the displacement detection unit is connected to the sliding cover mechanical execution module. The fully open position detection unit is used to detect whether the sliding cover is fully opened to the correct position. The fully closed position detection unit is used to detect whether the sliding cover is fully closed in place; The displacement detection unit is used for real-time displacement measurement, opening calculation, and closed-loop speed regulation throughout the entire process.

3. The automated switching control system for a container top sliding cover as described in claim 2, characterized in that, The drive control module includes a main control unit, a human-machine interaction unit, and a motor drive unit. The human-machine interaction unit is connected to the main control unit, and the motor drive unit is connected to the main control unit. The main control unit is used to receive all sensor signals, local and remote operation commands, and interlocking signals. The human-computer interaction unit is used to provide local start, stop and shutdown operations, and emergency stop protection; The motor drive unit is used to amplify the low-voltage control signal into a power drive signal.

4. The automated switching control system for a container top sliding cover as described in claim 3, characterized in that, The safety protection module includes an obstacle detection unit, an overload protection unit, an emergency stop unit, and a self-locking retention unit; the overload protection unit is connected to the obstacle detection unit; the emergency stop unit is connected to the overload protection unit; and the self-locking retention unit is connected to the emergency stop unit. The obstacle detection unit is used to detect in real time whether there are obstacles such as people or debris in front of it during the sliding cover closing process; The overload protection unit is used to monitor the motor operating current in real time and identify abnormal operating conditions such as motor stall, jamming, and excessive load. The emergency stop unit is used for emergency avoidance in case of sudden danger or malfunction. The self-locking retaining unit is used to automatically lock the lead screw and sliding cover mechanical structure after the system is powered off or stopped.

5. The automated switching control system for a container top sliding cover as described in claim 4, characterized in that, The linkage control interface module includes a linkage interface for the loading arm lifting platform and a centralized control system interface, wherein the centralized control system interface is connected to the linkage interface for the loading arm lifting platform. The linkage interface of the loading arm lifting platform is used for bidirectional safety interlock with the loading arm lifting platform inside the container. The centralized control system interface is used to connect to the central control system bus of the entire equipment, enabling centralized monitoring, remote scheduling, and information management of training data.

6. The automated switching control system for a container top sliding cover as described in claim 5, characterized in that, The main control unit is a PLC or a microcontroller with built-in control logic program.

7. The automated switching control system for a container top sliding cover as described in claim 6, characterized in that, The motor drive module uses an H-bridge drive circuit or a servo driver to receive PWM signals from the main controller to control the forward and reverse rotation, speed, and start / stop of the geared motor.

8. An automated opening and closing control method for a container top sliding cover, applied to the automated opening and closing control system for a container top sliding cover as described in any one of claims 1-7, characterized in that, include: The drive control module uniformly issues work instructions; The position detection module provides real-time feedback on the position status; The sliding cover mechanical actuator performs the opening and closing actions; The safety protection module provides full-process dynamic safety assurance; The linkage control interface module completes equipment interlocking and data interaction.

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