A method and system for controlling a dumper truck body structure

Abstract

The present application relates to the technical field of truck box control, and discloses a self-unloading truck box structure control method and system, which comprises the following steps: determining whether to issue a battery replacement instruction according to the electric quantity and manual demand; starting the hydraulic system lifting operation according to the battery replacement instruction; and determining the lifting mode according to whether the hydraulic system lifting is successful. The method can collect vehicle state information through various sensors and connect it with an embedded controller, thereby realizing automatic control of the box. When the box reaches a certain inclination angle, the controller can tilt the box and unload the goods through the hydraulic system, thereby improving the efficiency and safety of the self-unloading truck.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of truck box control, in particular to a self-unloading truck box structure control method and system. BACKGROUND

[0002] With the development of industry and construction, self-unloading trucks have become a widely used transportation tool. Self-unloading trucks are usually used to transport large quantities of bulk goods, such as ore, sand, cement, etc. In traditional self-unloading trucks, the box is a static structure that needs to be tilted to unload the goods, which affects the stability and safety of the self-unloading truck.

[0003] In order to solve this problem, a self-unloading truck box structure control method and system has emerged. The system collects vehicle state information using various sensors and connects it to an embedded controller, thereby achieving automatic control of the box. When the box reaches a certain tilt angle, the controller can tilt the box and unload the goods through a hydraulic system, thereby improving the efficiency and safety of the self-unloading truck.

[0004] The system also has a user-friendly interface module that allows the driver to easily control the box of the self-unloading truck. At the same time, the system can reduce the need for human intervention, reducing labor costs. Therefore, this self-unloading truck box structure control method and system has broad application prospects and can be used in various industrial and construction situations. SUMMARY

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0006] In view of the above existing problems, the present application is proposed.

[0007] Therefore, the present application provides a self-unloading truck box structure control method that can solve the problems of low efficiency and lack of intelligence in traditional self-unloading trucks.

[0008] To solve the above technical problems, the present application provides the following technical solutions, a self-unloading truck box structure control method, comprising:

[0009] determining whether to issue a battery replacement instruction according to the power and manual demand;

[0010] starting the hydraulic system lifting operation according to the battery replacement instruction;

[0011] determining the lifting method according to whether the hydraulic system lifting is successful.

[0012] The battery replacement instruction includes that when the vehicle power is less than 30% and the on-site operator requires battery replacement, the cloud console issues a battery replacement instruction or the on-site worker performs the vehicle collection and battery replacement, and the vehicle receives the battery replacement instruction to perform the battery replacement.

[0013] When the vehicle battery replacement is completed, the cloud console issues a battery replacement completion instruction, the internal system detects the battery charging condition, and the battery replacement is completed.

[0014] The vehicle collection and battery replacement includes that when the battery replacement instruction is received, the oil cylinder is elongated to lift the upper baffle of the cargo box, the upper baffle is kept in a vertical state under the condition that the hydraulic circuit keeps the pressure, if the oil cylinder lifting is normal and no error is detected through the internal system, a lifting success signal is sent to prompt the worker to perform the battery replacement operation, if the battery replacement is completed, the on-site personnel send a completion instruction, the vehicle completes the manual battery replacement, if the oil cylinder lifting fails and the failure is confirmed through the secondary detection of the internal system, a second-level lifting alarm is sent, the battery replacement mode is modified, the cargo box is manually lifted for the whole cargo box lifting, the battery replacement is performed after the lifting is completed, and the cloud battery replacement completion instruction is triggered after the battery replacement is completed, if the cargo box back-falling is fault-free, the battery replacement is completed, if the cargo box back-falling triggers an alarm light, the on-site personnel are reminded to perform maintenance, and the battery replacement is completed after the maintenance is completed.

[0015] The manual battery replacement completion includes that when the vehicle receives the battery replacement completion instruction, the vehicle completes the back-falling action, the upper baffle back-falling is completed depending on the weight of the upper baffle, the oil cylinder is in a pressure-free state after the back-falling, the horizontal position is kept depending on the mechanical limiting device, if the oil cylinder back-falling is normal and the secondary detection of the internal system is successful, the worker is prompted that the back-falling is successful, if the oil cylinder back-falling fails and the failure is confirmed through the secondary detection of the internal system, a first-level alarm signal is sent to prompt the on-site personnel that the back-falling fails and the manual back-falling is performed.

[0016] As a preferred scheme of the self-unloading truck cargo box structure control method, a space for taking out the battery is left after lifting, which facilitates taking out the battery.

[0017] L x cos a < b

[0018] L x cos a < b

[0019] As a preferred scheme of the self-unloading truck cargo box structure control method, the hydraulic system is composed of a hydraulic lifting cylinder and a hydraulic circuit control valve, the hydraulic cylinder is installed between the upper baffle and the front baffle of the cargo box, the upper baffle and the front baffle are connected by a hinge, and have the freedom of rotation.

[0020] As a preferred scheme of the self-unloading truck box structure control method, wherein: the hydraulic system comprises, according to the force balance construction mathematical model, the system pressure is calculated,

[0021] P x S W = P x S y + G

[0022] Wherein, P is the system pressure, S W The area of the hydraulic cylinder rodless cavity, Sy is the area of the hydraulic cylinder rod cavity, G is the load;

[0023] The corresponding motor is selected by the hydraulic system flow.

[0024] Another object of the present application is to provide a self-unloading truck box structure control system, which can reduce the need for manual intervention and reduce labor costs. The traditional self-unloading truck needs manual control of the box tilt and unloading of goods, and the system can automatically control the tilt of the box and unload the goods, reducing the need for manual intervention, thereby reducing labor costs.

[0025] A self-unloading truck box structure control method system, characterized by: comprising a sensor module, a controller module, a hydraulic system module and a user interface module;

[0026] The sensor module uses various sensors to monitor the state of the vehicle in real time;

[0027] The controller module uses a microprocessor or other embedded device to interpret the data collected by the sensor module and execute corresponding instructions;

[0028] The hydraulic system module is mainly used for unloading goods, and the hydraulic pump delivers compressed oil to the unloading piston, thereby realizing the process of smooth unloading of the box;

[0029] The user interface module is a user-friendly operation interface.

[0030] A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor executes the computer program to realize the steps of a self-unloading truck box structure control method.

[0031] A computer readable storage medium having a computer program stored thereon, characterized in that the computer program is executed by a processor to realize the steps of a self-unloading truck box structure control method.

[0032] The beneficial effects of the present application: the method of the present application can collect vehicle state information by using various sensors, and connect it with the embedded controller, so as to realize the automatic control of the cargo box. When the cargo box reaches a certain inclination angle, the controller can tilt the cargo box and unload the goods through the hydraulic system, thereby improving the efficiency and safety of the dump truck. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0034] Figure 1 A flow chart of a self-unloading truck cargo box structure control method is provided for an embodiment of the present application;

[0035] Figure 2 A structure diagram of the upper baffle lifting hydraulic system is provided for an embodiment of the present application;

[0036] Figure 3 A structure diagram of a self-unloading truck cargo box structure control system is provided for an embodiment of the present application. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned objects, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0038] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0039] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0040] The application is described in detail in combination with the schematic diagram. In the detailed description of the embodiments of the application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of illustration, and the schematic diagram is only an example, which should not limit the scope of protection of the application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0041] Meanwhile, in the description of the application, it should be noted that the terms "upper, lower, inner and outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first, second or third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0042] Unless otherwise specified and limited in the application, the terms "mounting, connection, connection" should be understood broadly, for example: it can be fixed connection, detachable connection or integral connection; it can also be mechanical connection, electrical connection or direct connection, it can also be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0043] Embodiment 1

[0044] Reference Figure 1 , Figure 2 and Figure 3 , the first embodiment of the application provides a self-unloading truck box structure control method, which comprises:

[0045] S1: determining whether to issue a battery replacement instruction according to the power and manual demand;

[0046] Further, the battery replacement instruction includes that when the vehicle power is less than 30% and the on-site operator requires battery replacement, the cloud console issues a battery replacement instruction or the on-site operator performs the battery replacement, and the vehicle receives the battery replacement instruction to replace the battery,

[0047] 0≤SOC≤30%

[0048] When the vehicle battery replacement is completed, the cloud console issues a battery replacement completion instruction, the internal system detects the battery charging condition, and the battery replacement is completed,

[0049] SOC=100%.

[0050] S2: starting the hydraulic system lifting operation according to the battery replacement instruction;

[0051] Further, it should be pointed out that the said vehicle receiving the battery replacement instruction includes that when the oil cylinder is elongated to lift the upper baffle of the container, the upper baffle keeps vertical state under the condition that the hydraulic circuit keeps pressure, if the oil cylinder lifting is normal and no error is detected through the internal system, a lifting success signal is sent to prompt the staff to perform the battery replacement operation, if the battery replacement is completed, the on-site personnel send a completion instruction, the vehicle completes the manual battery replacement, if the oil cylinder lifting fails and the internal system detects the failure again, a second-level lifting alarm is sent, the container is lifted by manual lifting, the battery replacement is performed after the lifting is completed, and the cloud battery replacement completion instruction is triggered after the battery replacement is completed, if the container falls back without failure, the battery replacement is completed, if the container falling back triggers the warning light, the on-site personnel are reminded to perform maintenance, and after the maintenance is completed, the battery replacement is completed.

[0052] It should also be pointed out that the said manual battery replacement includes that when the vehicle receives the battery replacement completion instruction, the vehicle completes the falling back action, the upper baffle falls back depending on the weight of the upper baffle, the oil cylinder is in a pressure-free state after falling back, and the horizontal state is kept by relying on the mechanical limiting device, if the oil cylinder falls back normally and the internal system detects the falling back again, the staff is prompted that the falling back is successful, if the oil cylinder falls back fails and the internal system detects the failure again, a first-level alarm signal is sent to prompt the on-site personnel that the falling back fails and manual falling back is performed.

[0053] S3: judging the lifting mode according to whether the hydraulic system lifting is successful or not;

[0054] Further, a space for taking out the battery is left after lifting, which is convenient for taking out the battery,

[0055] L x cos a < b

[0056] Wherein, L is the length of the upper baffle of the container, a is the lifting and overturning angle of the upper baffle of the container, and b is the gap between the battery and the container.

[0057] It should be pointed out that the said hydraulic system includes a hydraulic lifting cylinder and a hydraulic circuit control valve, the hydraulic cylinder is installed between the upper baffle and the front baffle of the container, the upper baffle and the front baffle are connected by a hinge, and have the freedom of rotation, as shown in Figure 2 .

[0058] Further, the hydraulic system constructs a mathematical model according to force balance, calculates the system pressure,

[0059] P x S W = P x S y + G

[0060] Wherein, P is the system pressure, S W is the area of the rodless cavity of the hydraulic cylinder, Sy is the area of the rod cavity of the hydraulic cylinder, and G is the load.

[0061] The motor corresponding to the flow selection of the hydraulic system.

[0062] Embodiment 2

[0063] For an embodiment of the present application, a self-unloading truck box structure control method and system are provided, and scientific demonstration is carried out through experiments to verify the beneficial effects of the present application.

[0064] Table 1 is our simulation experiment

[0065]

[0066] In the conventional battery replacement mode, the overall lifting time of the box is 40s, and through multiple measurements, the lifting time of the upper baffle of the box structure control device is 5s, which is reduced by 35s in time, and the lifting rate is increased by 800%, which is much faster than the conventional box, greatly improving the battery replacement speed and greatly improving the efficiency of continuous operation of the vehicle.

[0067] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

[0068] Embodiment 3

[0069] The third embodiment of the present application is different from the first two embodiments:

[0070] If the function is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or part of the technical solutions can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a plurality of instructions to make a computer device (which can be a personal computer, server, or network device, etc.) execute all or part of the steps of the method described in various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, and various program code storage media.

[0071] The logic and / or steps represented in flow diagrams or otherwise described herein, for example, can be considered as a sequence of executable instructions, and can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For purposes of this specification, a "computer-readable medium" can be any apparatus that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. The computer-readable medium can be, for example but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium include the following: an electrical connection having one or more wires (electrical connections), a portable computer diskette (magnetic), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, for example via an optical scanner, then compiled, interpreted, or otherwise processed, and stored in a computer memory in a form that can be later executed by a computer. In this context, the computer- readable medium can be paper or another suitable medium that can act to record, store, and transfer the program.

[0072] More specific examples (a non-exhaustive list) of the computer-readable medium include the following: an electrical connection having one or more wires (electrical connections), a portable computer diskette (magnetic), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, for example via an optical scanner, then compiled, interpreted, or otherwise processed, and stored in a computer memory in a form that can be later executed by a computer.

[0073] It should be understood that aspects of the application can be implemented in hardware, software, firmware or combinations thereof. In the above embodiments, various steps or methods can be implemented, for example, using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any of the following technologies, known in the art, or combinations thereof, can be used: discrete logic circuitry having logic gates for implementing logic functions upon an application of data signals, application specific integrated circuits having appropriate combinational logic gates, programmable gate arrays (PGA), field programmable gate arrays (FPGA), and the like.

[0074] Example 4

[0075] Reference Figure 3 For the fourth embodiment of the present application, the embodiment provides a self-unloading truck box structure control system, comprising: a sensor module, a controller module, a hydraulic system module, a user interface module;

[0076] Sensor module: This module uses various sensors to monitor the status of the vehicle in real time, such as the tilt angle, the weight of the goods, etc. These sensors can be inertial navigation sensors, pressure sensors, accelerometers, etc.

[0077] Controller module: This module uses a microprocessor or other embedded device to interpret the data collected by the sensor module and execute the corresponding instructions. For example, when the cargo box reaches a certain inclination angle, the controller can tilt the cargo box and unload the goods through the hydraulic system;

[0078] Hydraulic system module: This module is mainly used for unloading goods. The hydraulic pump delivers compressed oil to the unloading piston, thus achieving the process of smooth unloading of the cargo box.

[0079] User interface module: The function of this module is to provide a user-friendly operation interface, such as a display screen and several buttons, allowing users to easily control the cargo box of the self-unloading truck.

Claims

1. A method of controlling a self-discharging truck box structure, characterized by: The method comprises the following steps: determining whether to issue a battery replacement instruction according to the electric quantity and manual demand; starting a hydraulic system lifting operation according to the battery replacement instruction; determining a lifting mode according to whether the hydraulic system lifting is successful; the battery replacement instruction comprises that when the electric quantity of the vehicle is less than 30% and the on-site operator requires battery replacement, the cloud console issues a battery replacement instruction or the on-site operator performs vehicle collection and battery replacement, and the vehicle receives the battery replacement instruction to perform battery replacement; when the vehicle completes battery replacement, the cloud console issues a battery replacement completion instruction, and the internal system detects the battery charging condition to complete battery replacement; the vehicle collection and battery replacement comprises that when the battery replacement instruction is received, the oil cylinder is elongated to lift the upper baffle of the cargo box, the upper baffle is kept in a vertical state under the condition that the hydraulic circuit keeps pressure, if the oil cylinder lifting is normal and the internal system detects no error, a lifting success signal is sent to prompt the operator to perform battery replacement operation, if the battery replacement is completed, the on-site personnel send a completion instruction, the vehicle completes manual battery replacement, if the oil cylinder lifting fails and the internal system detects the failure again, a second-level lifting alarm is sent, the battery replacement mode is modified, the cargo box is manually lifted for overall cargo box lifting, after the lifting is completed, battery replacement is performed, after the battery replacement is completed, the cloud battery replacement completion instruction is triggered, if the cargo box falls back without failure, the battery replacement is completed, if the cargo box falling back triggers an alarm light, the on-site personnel are reminded to perform maintenance, and after the maintenance is completed, the battery replacement is completed; the manual battery replacement completion comprises that when the vehicle receives the battery replacement completion instruction, the vehicle completes the falling back action, the upper baffle falls back depending on the weight of the upper baffle, the oil cylinder is in a pressure-free state after the falling back, and the mechanical limiting device keeps the upper baffle horizontal, if the oil cylinder falls back normally and the internal system detects the falling back again, the operator is prompted that the falling back is successful, if the oil cylinder falls back fails and the internal system detects the failure again, a first-level alarm signal is sent to prompt the on-site personnel that the falling back fails and manual falling back is performed.

2. A method of controlling a self-unloading truck bed structure as set forth in claim 1, characterized by: a space for taking out the battery is left after lifting, facilitating the taking out of the battery, L x cos a < b wherein L is the length of the upper baffle of the cargo box, a is the lifting and overturning angle of the upper baffle of the cargo box, and b is the gap between the battery and the cargo box.

3. A method of controlling a self-unloading truck bed structure as set forth in claim 2, characterized by: the hydraulic system is composed of a hydraulic lifting cylinder and a hydraulic circuit control valve, the hydraulic cylinder is installed between the upper baffle and the front baffle of the cargo box, the upper baffle and the front baffle are connected by a hinge and have the degree of freedom of rotation.

4. A method of controlling a self-unloading truck bed structure as set forth in claim 3, characterized by: a mathematical model is constructed according to force balance, and the system pressure is calculated, P x S W = P x S y + G where P is the system pressure, S W is the rodless chamber area of the hydraulic cylinder, Sy is the rod chamber area of the hydraulic cylinder, and G is the load. a corresponding motor is selected through hydraulic system flow selection.

5. A system for controlling the structure of a self-unloading truck box according to any one of claims 1 to 4, characterized in that: the method comprises a sensor module, a controller module, a hydraulic system module and a user interface module; the sensor module uses various sensors to monitor the state of the vehicle in real time; the controller module uses a microprocessor or other embedded device to interpret the data collected by the sensor module and execute corresponding instructions; the hydraulic system module is mainly used for unloading goods, a hydraulic pump delivers compressed oil to an unloading piston, thereby realizing the process of smoothly unloading the cargo box; the user interface module provides a user-friendly operation interface. 6.A computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer device is configured to perform the method according to any one of claims 1-5 when the computer program is executed by the processor. the processor executes the computer program to realize the steps of the method in any one of claims 1 to 4.

7. A computer-readable storage medium having stored thereon a computer program, characterized in that, the computer program is executed by the processor to realize the steps of the method in any one of claims 1 to 4.

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