Novel aerial work platform control system

Abstract

The invention relates to the technical field of intelligent control, and more particularly discloses a novel aerial work platform control system which receives an operation instruction through an integrated display and control all-in-one machine including a rotary table and a platform display and control all-in-one machine and monitors the operation state through an attitude sensor. Meanwhile, accurate control over the action of the aerial work platform is achieved through the controller, the displayer and the communication device. The system is further divided into three control subsystems of a main arm, a fly arm and a platform, and each subsystem is provided with a special control circuit and device to realize refined operation of different functional modules of the aerial work platform, so that the safety and efficiency of operation and the reliability of the system are improved.

Description

Technical Field

[0001] The present application relates to the technical field of aerial work control, and more specifically, to a novel aerial work platform control system. Background Art

[0002] The traditional aerial work platform control system has the problem that the turntable controller, turntable display, and platform controller need to develop corresponding programs separately. At present, the traditional aerial work platform control system has two displays, one on the turntable and one on the hanging basket. The two programs and development environments are different. Once there is a problem with the turntable controller, the entire platform will not work. The turntable controller is the main controller, which controls all hydraulic devices on the turntable. The platform controller only controls part of the platform functions. Its hydraulic pump does not provide flow and all platform actions cannot be performed normally. The later maintenance workload is large and it is easy to cause the control and display to be out of sync. For example: if the display modifies the inclination calibration parameters, the controller must synchronously modify the program corresponding to the inclination parameters. If an all-in-one machine is used, there is no need to replace maintenance personnel. Modifying the display will modify the corresponding control at the same time.

[0003] Therefore, a new type of aerial work platform control system is desired. Summary of the invention

[0004] In order to solve the above technical problems, this application is proposed. The embodiment of this application provides a new type of aerial work platform control system, which realizes precise control of the work platform action through a modular display and control all-in-one machine and a special control subsystem, thereby improving the safety and efficiency of the operation.

[0005] Accordingly, according to one aspect of the present application, a new type of aerial work platform control system is provided, which includes an integrated display and control machine and a control system; the integrated display and control machine inputs control instructions and outputs control commands to the control system according to the control instructions; the control system is connected to the integrated display and control machine via a communication device and performs corresponding actions according to the control commands.

[0006] In the above-mentioned novel aerial work platform control system, the integrated display and control machine includes a turntable integrated display and control machine and a platform integrated display and control machine, and the turntable integrated display and control machine is electrically connected to the platform integrated display and control machine.

[0007] In the above-mentioned new aerial work platform control system, the turntable display and control integrated machine and the platform display and control integrated machine both include a controller, a display and a posture sensor, the display and the posture sensor are each electrically connected to the controller, and the display is electrically connected to the posture sensor.

[0008] In the above-mentioned novel aerial work platform control system, the controller is responsible for receiving operation instructions and controlling various actions of the aerial work platform.

[0009] In the above-mentioned novel aerial work platform control system, the display is used to display operation information and system status.

[0010] In the above-mentioned new type of aerial work platform control system, the posture sensor includes a chassis inclination sensor, a main arm inclination sensor, a folding arm inclination sensor, a main arm length sensor and a weighing sensor, which are used to monitor the working status and environmental conditions of the aerial work platform. The chassis inclination sensor, the main arm inclination sensor, the folding arm inclination sensor, the main arm length sensor and the weighing sensor are each electrically connected to the display and the controller.

[0011] In the above-mentioned new type of aerial work platform control system, the control system includes a main arm control subsystem, a flying arm control subsystem and a platform control subsystem, and the main arm control subsystem, the flying arm control subsystem and the platform control subsystem are each electrically connected to the control system.

[0012] In the above-mentioned novel aerial work platform control system, the main arm control subsystem includes a main arm luffing control circuit and a main arm luffing control device, and the main arm luffing control circuit controls the action of the main arm luffing control device according to the control command.

[0013] In the above-mentioned novel aerial work platform control system, the flying arm control subsystem includes a flying arm up and down control circuit and a flying arm up and down control device, and the flying arm up and down control circuit controls the action of the flying arm up and down control device according to the control command.

[0014] Compared with the prior art, the novel aerial work platform control system provided in this application realizes precise control of the work platform movements through a modular integrated display and control machine and a dedicated control subsystem, thereby improving work safety and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0016] Figure 1 It is an architectural diagram of a new aerial work platform control system according to an embodiment of the present application.

[0017] Figure 2 It is a structural block diagram of the integrated display and control machine in the new aerial work platform control system according to the embodiment of the present application.

[0018] Figure 3 It is a flow chart of the integrated display and control machine in the new aerial work platform control system according to the embodiment of the present application. DETAILED DESCRIPTION

[0019] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0020] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0021] In addition, in order to better illustrate the present application, numerous specific details are provided in the following specific embodiments. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0022] In addition, the terms "turntable" and "platform" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "turntable" or "platform" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] Accordingly, the present application provides a new control system architecture, which adopts an integrated solution integrating control, display, and attitude sensor. Compared with the all-in-one machine provided by the prior art, the current chip function provided by the new aerial work platform control system of the present application embodiment has display and control functions, which is not a simple integration; the current display screen development environment is different from the controller, and a unified development environment is adopted.

[0024] Specifically, the novel aerial work platform control system according to the embodiment of the present application includes an integrated display and control machine and a control system; the integrated display and control machine inputs control instructions and outputs control commands to the control system according to the control instructions; the control system is connected to the integrated display and control machine through a communication device and performs corresponding actions according to the control commands. The integrated display and control machine is the core component of the system, integrating display and control functions, reducing the number of components that need to be designed and maintained separately, and simplifying the complexity of the system.

[0025] Furthermore, the display and control integrated machine includes a turntable display and control integrated machine and a platform display and control integrated machine, and the turntable display and control integrated machine is electrically connected to the platform display and control integrated machine. The turntable display and control integrated machine and the platform display and control integrated machine both include a controller, a display and a posture sensor, and the display and the posture sensor are each electrically connected to the controller, and the display is electrically connected to the posture sensor. Specifically, the controller is responsible for receiving operation instructions and controlling various actions of the aerial work platform. The display is used to display operation information and system status. The posture sensor includes a chassis inclination sensor, a main arm inclination sensor, a folding arm inclination sensor, a main arm length sensor and a weighing sensor, which are used to monitor the working state and environmental conditions of the aerial work platform, and the chassis inclination sensor, the main arm inclination sensor, the folding arm inclination sensor, the main arm length sensor and the weighing sensor are each electrically connected to the display and the controller.

[0026] The attitude sensor is a group of sensors used to monitor the working status and environmental conditions of the aerial work platform to ensure the safety of the operation. The chassis inclination sensor is used to monitor the inclination angle of the chassis to prevent rollover. The main arm inclination sensor is used to monitor the inclination angle of the main arm to ensure that the main arm works within a safe angle range. The folding arm inclination sensor is used to monitor the inclination angle of the folding arm for the articulated boom aerial work vehicle. The main arm length sensor is used to monitor the extended length of the main arm to ensure that it is within a safe operating range. The weighing sensor is used to monitor the load weight on the platform to prevent overloading.

[0027] Furthermore, the control system includes a main arm control subsystem, a flying arm control subsystem and a platform control subsystem, and the main arm control subsystem, the flying arm control subsystem and the platform control subsystem are respectively electrically connected to the control system. The main arm control subsystem includes a main arm amplitude change control circuit and a main arm amplitude change control device, and the main arm amplitude change control circuit controls the action of the main arm amplitude change control device according to the control command. The flying arm control subsystem includes a flying arm up and down control circuit and a flying arm up and down control device, and the flying arm up and down control circuit controls the action of the flying arm up and down control device according to the control command. The platform control subsystem includes a platform rotation control circuit and a platform rotation control device, and the platform rotation control circuit controls the action of the platform rotation control device according to the control command.

[0028] Accordingly, Figure 1 FIG. 1 is a schematic diagram of a novel aerial work platform control system according to an embodiment of the present application. Figure 1It is shown that the turntable display and control integrated machine and the platform display and control integrated machine are connected to each other through the CAN bus. The turntable display and control integrated machine and the platform display and control integrated machine have the same hardware and can be replaced with each other. The turntable display and control integrated machine and the platform display and control integrated machine can be used interchangeably, which shows that they are compatible in hardware design. Connected by the CAN (Controller Area Network) bus, the two display and control integrated machines can share information and instructions to achieve closer collaborative work. The types of hardware are reduced, and the maintenance and replacement process is simplified because only one type of display and control integrated machine is required.

[0029] The turntable display and control integrated machine and the platform display and control integrated machine use the same components and the same hardware. By integrating the turntable and platform software, the software interface is also completed to achieve the effect of mutual replacement. By identifying different inputs and outputs, different running programs are automatically selected. For example, the hardware port A of the turntable controller has a solenoid valve, and the port A of the platform controller does not have a solenoid valve. During the power-on process, a small current is output to port A. Based on the feedback results, it can be determined whether the controller is a turntable or a platform.

[0030] The integrated display and control machine integrates the controller, display, and attitude sensor, and integrates development and debugging. It solves the problem of asynchronous development of different components and different developers, and reduces the workload of program development by 50%. When the on-site turntable controller is damaged, it can be directly replaced with the platform controller, with seamless switching and no downtime. The control system components are reduced to one material, and the wiring harness and subsequent maintenance workload are greatly reduced. Accordingly, Figure 2 FIG. 1 is a structural block diagram of the integrated display and control machine in the novel aerial work platform control system according to an embodiment of the present application. Figure 2 The main components inside the integrated display and control machine are shown, including attitude sensor, switch quantity acquisition / output, analog quantity acquisition / output, control MCU (micro control unit), watchdog circuit, CAN interface, reset circuit, internal bus, touch acquisition, display CPU, interface interface, key acquisition, etc. The integrated display and control machine integrates multiple functions, including sensor data acquisition, signal output, user interface interaction, etc., which makes the integrated display and control machine a highly integrated control center. The control MCU is the core of the integrated display and control machine, responsible for processing input signals and outputting control instructions. The watchdog circuit is used to monitor the operating status of the system to prevent the system from stopping responding due to software failure. The CAN interface allows the integrated display and control machine to communicate with other system components (such as sensors and actuators). The touch acquisition and display CPU show that the integrated display and control machine has a touch screen interface, providing intuitive user interaction. The key acquisition shows that the integrated display and control machine also supports traditional physical key input.

[0031] The MCU collects the switch quantity and analog sensor signals of the boom truck, and then transmits them to the display. After the display completes the logic analysis, the control instructions are sent to the MCU through the internal bus. The MCU controls the corresponding actions according to the instructions of the display CPU. The display CPU collects various information of human-computer interaction, displays the corresponding operation interface and data, and then sends them to other network nodes to complete data calibration and storage. The chip currently used integrates the control MCU and CPU, and there is no additional chain for data transmission and processing.

[0032] further, Figure 3 FIG. 1 is a flowchart of the integrated display and control machine in the new aerial work platform control system according to the embodiment of the present application. Figure 3 Describes the identification process of the integrated display and control machine during startup or detection, including outputting the main arm action test current, checking the status of the four ports, and manually setting or saving information based on the inspection results. How the integrated display and control machine performs self-test and configuration at startup. Outputting the main arm action test current may be to verify the electrical connection of the system and the functionality of the main arm action. Checking the status of the four ports is to ensure that all necessary interfaces are working properly. If all four ports are normal, the system will continue to run; if all are abnormal, manual settings may be required. If some ports are detected to be abnormal, the system may prompt the user to perform manual settings to ensure that the system can work properly. Saving manual setting information, turntable integrated machine information, and platform integrated machine information indicates that the system can be configured according to the test results and user input, and save these configurations for subsequent use. The test current of 50mA during the identification process will not cause false operation; during the detection, program control does not allow the engine to start and the oil pump motor to rotate to ensure safety.

[0033] In summary, the novel aerial work platform control system based on the embodiment of the present application receives operation instructions through an integrated display and control all-in-one machine, including a turntable and a platform display and control all-in-one machine, and uses a posture sensor to monitor the operation status, while realizing precise control of the aerial work platform movement through a controller, a display and a communication device. The system is further subdivided into three control subsystems: the main arm, the flying arm and the platform. Each subsystem is equipped with a special control circuit and device to realize the refined operation of different functional modules of the aerial work platform, thereby improving the safety, efficiency and reliability of the operation.

[0034] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0035] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0036] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0037] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0038] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0039] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., which can store program codes.

[0040] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A new type of aerial work platform control system, characterized by: Including integrated display and control machine and control system; The integrated display and control machine inputs control instructions and outputs control commands to the control system according to the control instructions; The control system is connected to the integrated display and control machine via a communication device, and executes corresponding actions according to the control command.

2. The novel aerial work platform control system according to claim 1 is characterized in that: The integrated display and control machine comprises a turntable integrated display and control machine and a platform integrated display and control machine, and the turntable integrated display and control machine is electrically connected to the platform integrated display and control machine.

3. The novel aerial work platform control system according to claim 2 is characterized in that: The turntable display and control integrated machine and the platform display and control integrated machine both include a controller, a display and a posture sensor. The display and the posture sensor are each electrically connected to the controller, and the display is electrically connected to the posture sensor.

4. The novel aerial work platform control system according to claim 3 is characterized in that: The controller is responsible for receiving operation instructions and controlling various actions of the aerial work platform.

5. The novel aerial work platform control system according to claim 4 is characterized in that: The display is used to display operation information and system status.

6. The novel aerial work platform control system according to claim 5 is characterized in that: The posture sensor includes a chassis inclination sensor, a main arm inclination sensor, a folding arm inclination sensor, a main arm length sensor and a weighing sensor, which are used to monitor the working status and environmental conditions of the aerial work platform. The chassis inclination sensor, the main arm inclination sensor, the folding arm inclination sensor, the main arm length sensor and the weighing sensor are each electrically connected to the display and the controller.

7. The novel aerial work platform control system according to claim 6 is characterized in that: The control system comprises a main arm control subsystem, a flying arm control subsystem and a platform control subsystem, and the main arm control subsystem, the flying arm control subsystem and the platform control subsystem are respectively electrically connected to the control system.

8. The novel aerial work platform control system according to claim 7 is characterized in that: The main arm control subsystem comprises a main arm luffing control circuit and a main arm luffing control device, and the main arm luffing control circuit controls the action of the main arm luffing control device according to the control command.

9. The novel aerial work platform control system according to claim 8 is characterized in that: The flying arm control subsystem includes a flying arm up and down control circuit and a flying arm up and down control device. The flying arm up and down control circuit controls the action of the flying arm up and down control device according to the control command.

10. The novel aerial work platform control system according to claim 9 is characterized in that: The platform control subsystem includes a platform rotation control circuit and a platform rotation control device. The platform rotation control circuit controls the action of the platform rotation control device according to the control command.

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