Limiting sensor direction calibration system

Abstract

The utility model provides a limiting sensor direction calibration system which comprises a vehicle control unit, a limiting sensor, a spraying barrel rotating gear pump and a spraying barrel rotating button. The whole vehicle controller is electrically connected with the limiting sensor, the spraying barrel rotating gear pump and the spraying barrel rotating button. The spraying barrel rotating gear pump is connected with the spraying barrel; the limiting sensors comprise the first limiting sensor and the second limiting sensor. The spraying barrel rotating button is used for controlling the spraying barrel rotating gear pump to rotate; the spraying barrel rotating gear pump is used for driving the spraying barrel to rotate; the limiting sensor is used for detecting whether the spraying barrel moves to a limiting position or not during rotation; and the whole vehicle controller carries out direction calibration on the limiting sensor according to a detection result of the limiting sensor. By the adoption of the system, the labor cost consumed for direction calibration of the limiting sensor is reduced, and the direction calibration efficiency of the limiting sensor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sensor, specifically, relate to a limit sensor direction calibration system. BACKGROUND

[0002] With the acceleration of agricultural mechanization, the planting and harvesting of various crops have widely adopted mechanized mode. In order to improve user experience, intelligent operation and one-key integrated function are increasingly widely used, which directly leads to the increase of sensor use. However, the increase of sensor also brings more complex debugging process and more standardized and specification requirements. It is found in research that in the loading process of the harvester, due to the lack of unified visual direction standard, the left or right rotation direction of the spray barrel becomes ambiguous. Combined with various factors of the on-site installation personnel, the left and right limit sensors are often installed upside down. This situation will cause the problem that the actual limit switch of the vehicle cannot be correctly matched with the limit set in the program during the loading debugging process, so that the debugging personnel have to replace the positions of the left and right limit sensors or rewire, and sometimes even need the program designers to check whether the installation of the limit sensor is correct by means of computer and other equipment, which undoubtedly greatly reduces the debugging efficiency and prolongs the debugging period, thereby increasing the human cost required for the direction calibration of the limit sensor and reducing the efficiency of the direction calibration of the limit sensor. SUMMARY

[0003] The utility model aims at providing a limit sensor direction calibration system to reduce the human cost required for the direction calibration of the limit sensor and improve the efficiency of the direction calibration of the limit sensor.

[0004] The present application provides a limit sensor direction calibration system, which comprises a vehicle controller, a limit sensor, a spray barrel rotating gear pump and a spray barrel rotating button. The vehicle controller is electrically connected with the limit sensor, the spray barrel rotating gear pump and the spray barrel rotating button respectively. The spray barrel rotating gear pump is connected with the spray barrel. The limit sensor comprises a first limit sensor and a second limit sensor.

[0005] Optionally, the spray barrel rotating button is used to control the rotation of the spray barrel rotating gear pump, the spray barrel rotating gear pump is used to drive the rotation of the spray barrel, the limit sensor is used to detect whether the spray barrel moves to the limit position during rotation, and the vehicle controller is used to calibrate the direction of the limit sensor according to the detection result of the limit sensor.

[0006] Optionally, the vehicle controller is used to set the direction of the limit sensor as uncalibrated by default when the system is powered on for the first time.

[0007] Optionally, the spray barrel rotation button comprises a first spray barrel rotation button and a second spray barrel rotation button.

[0008] Optionally, the first spray barrel rotation button is configured to control the first spray barrel rotation gear pump to rotate in a first direction to drive the spray barrel to rotate in the first direction.

[0009] The first limit sensor is configured to detect whether the spray barrel rotates in the first direction to a limit position.

[0010] The vehicle control unit is configured to calibrate the first limit sensor as a limit sensor in the first direction when the spray barrel rotates in the first direction to a limit position.

[0011] Optionally, the vehicle control unit is configured to calibrate the second limit sensor as a limit sensor in a second direction, wherein the first direction and the second direction are opposite directions.

[0012] Optionally, the spray barrel rotation button is configured to control the first spray barrel rotation gear pump to stop rotating to drive the spray barrel to stop rotating after the vehicle control unit calibrates the first limit sensor as a limit sensor in the first direction.

[0013] Optionally, the vehicle control unit is configured to record the direction calibration state of each limit sensor.

[0014] Optionally, the vehicle control unit is configured to assign different limit detection tasks to each limit sensor according to the direction calibration state of each limit sensor recorded by the vehicle control unit.

[0015] Optionally, the system further comprises a display terminal configured to display the direction calibration state of each limit sensor and the limit detection task of each limit sensor.

[0016] The technical solutions provided in the present application include but are not limited to the following beneficial effects:

[0017] The application carries out real-time processing on the detection result of the limit sensor by the whole vehicle controller, the system can accurately judge whether the spray barrel moves to the limit position in the rotation process, so as to realize accurate direction calibration of the limit sensor. Since the automatic calibration process reduces manual intervention and reduces operation error, the accuracy and efficiency of calibration are improved. During the calibration process, the system can detect the rotation state of the spray barrel in real time, when the spray barrel reaches the preset rotation angle or position, the limit sensor can accurately trigger and deliver the corresponding signal to the whole vehicle controller, which helps to prevent the spray barrel from excessive rotation or impact on the hard limit, thereby protecting the equipment from damage and enhancing the reliability and safety of the system. During the whole process, the user only needs to trigger the calibration process by simple operation, such as pressing the spray barrel rotation button, without complex setting or adjustment, which reduces the operation difficulty, improves the user experience, and enables non-professionals to easily complete the calibration work.

[0018] In summary, the limit sensor direction calibration system provided by the application can realize automatic direction calibration of the limit sensor, which can reduce the required labor cost and improve the efficiency of limit sensor direction calibration. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The structure schematic diagram of the limit sensor direction calibration system provided by the present application is shown;

[0021] Figure 2 The structure schematic diagram of the second limit sensor direction calibration system provided by the present application is shown;

[0022] Figure 3 The structure schematic diagram of the third limit sensor direction calibration system provided by the present application is shown. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the application.

[0025] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of the application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0027] In addition, the terms "first", "second", "third" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0029] In order to facilitate the understanding of the present application, the following will be combined with Figure 1 The structure of the limit sensor direction calibration system provided by the application is shown in the figure.

[0030] Referring to Figure 1 The structure of the limit sensor direction calibration system provided by the application is shown in the figure. Figure 1The utility model provides a kind of limit sensor direction calibration system's structural schematic diagram, wherein, the system includes whole vehicle controller 1, limit sensor 2, spray tube rotary gear pump 3 and spray tube rotary button 4;The whole vehicle controller is respectively with the limit sensor, the spray tube rotary gear pump, the spray tube rotary button electric connection;The spray tube rotary gear pump is connected with spray tube;The limit sensor includes first limit sensor 21 and second limit sensor 22.

[0031] Specifically, the whole vehicle controller is responsible for receiving signals from various sensors, and processes and analyzes these signals according to a pre-set logic algorithm, and can also send control instructions to other components to achieve precise control of the entire system. The limit sensor is installed at a key position on the spray tube rotation path to detect whether the spray tube has moved to the pre-set limit position. When the spray tube moves to the limit sensor during rotation, the latter will immediately send a trigger signal to the whole vehicle controller to indicate that the spray tube has reached the pre-set limit position. Multiple limit sensors can be configured in the system to cover all possible directions of spray tube rotation. The spray tube rotary gear pump is the power source of the system, which is directly connected to the spray tube and is responsible for driving the rotation of the spray tube. The spray tube rotary gear pump receives control instructions from the whole vehicle controller and adjusts the direction and speed of rotation according to the instructions. The spray tube rotary button is the interface for user interaction with the system, which allows the user to manually control the rotation of the spray tube. The user can send control signals to the whole vehicle controller by pressing or rotating the button, thereby controlling the rotation of the spray tube rotary gear pump.

[0032] In a feasible embodiment, the spray tube rotary button is used to control the rotation of the spray tube rotary gear pump; the spray tube rotary gear pump is used to drive the rotation of the spray tube; the limit sensor is used to detect whether the spray tube moves to the limit position during rotation; and the whole vehicle controller performs direction calibration on the limit sensor based on the detection result of the limit sensor.

[0033] Specifically, the spray barrel rotation button serves as an interface for user interaction with the system, allowing the user to manually control the rotation of the spray barrel. When the user presses or rotates the button, it sends an electrical signal to the vehicle controller. This signal contains information such as the direction and / or speed at which the user desires the spray barrel to rotate. The spray barrel rotation button can also be automatically triggered based on pre-set programs, enabling automatic control of the spray barrel rotation. When the vehicle controller receives the control signal from the spray barrel rotation button, it sends corresponding instructions to the spray barrel rotation gear pump. The gear pump adjusts its rotation direction and speed according to the instructions, thereby driving the spray barrel to rotate. The limit sensor is a non-contact or contact detection device that sends a trigger signal to the vehicle controller when the spray barrel rotates to a pre-set position. Based on the detection results of the limit sensor, the vehicle controller can calibrate the direction of the limit sensor, ensuring that the system can accurately identify the limit position of the spray barrel in each direction. The first limit sensor is used to detect whether the spray barrel touches the pre-set limit in a certain direction (e.g., clockwise). The second limit sensor is used to detect whether the spray barrel touches the pre-set limit in another certain direction (e.g., counterclockwise).

[0034] In a feasible implementation, the vehicle controller is configured to default the direction of the limit sensor as uncalibrated when the system is powered on for the first time.

[0035] Specifically, when the entire system is first powered on or restarted, the vehicle controller checks and sets the initial state of all connected components. For the limit sensor, the vehicle controller defaults its direction as "uncalibrated". Defaulting the direction of the limit sensor as uncalibrated ensures that the system must be manually or through a specific program to calibrate the direction of the limit sensor before it is formally operated, to ensure that it can accurately reflect the rotation direction of the spray barrel.

[0036] In a feasible implementation, referring to Figure 2 , the second limit sensor direction calibration system is shown. The spray barrel rotation button includes a first spray barrel rotation button 41 and a second spray barrel rotation button 42. Figure 2

[0037] Specifically, the first spray barrel rotation button and the second spray barrel rotation button are left and right rotation buttons, which are two-direction manual control buttons. When the first spray barrel rotation button is pressed, it sends a first direction rotation instruction to the vehicle controller. The vehicle controller sends a rotation instruction to the electromagnetic valve that controls the spray barrel rotation gear pump. The electromagnetic valve controls the spray barrel rotation gear pump to drive the spray barrel to rotate in a certain direction or in another direction. When the system is powered on for the first time, the vehicle controller defaults the direction of all limit sensors as uncalibrated and waits for user or automatic program calibration.​

[0038] In an embodiment, the first spray gun rotation button is configured to control the first spray gun rotation gear pump to rotate to drive the spray gun to rotate in the first direction; the first limit sensor is configured to detect whether the spray gun rotates to the limit position in the first direction; and the vehicle controller is configured to calibrate the first limit sensor as the limit sensor in the first direction when the spray gun rotates to the limit position in the first direction.

[0039] Specifically, first, the user operates the first spray gun rotation button or the rotation of the spray gun is automatically controlled by other processors to send a control signal to the vehicle controller, indicating that the spray gun rotates in the first direction (for example, clockwise). After receiving the signal, the vehicle controller sends a corresponding instruction to the spray gun rotation gear pump. The spray gun rotation gear pump, as the power source of the system, starts to rotate according to the instruction of the vehicle controller and drives the spray gun to rotate in the specified direction. During the rotation of the spray gun, the first limit sensor is responsible for detecting whether the spray gun moves to the limit position. When the spray gun rotates to the limit position and is detected by the first limit sensor, the first limit sensor immediately sends a trigger signal to the vehicle controller. After receiving the trigger signal, the vehicle controller determines that the spray gun has rotated to the limit position in the first direction. Then, the vehicle controller performs direction calibration and calibrates the first limit sensor as the limit sensor in the direction.

[0040] In an embodiment, the vehicle controller is configured to calibrate the second limit sensor as the limit sensor in the second direction, wherein the first direction and the second direction are opposite directions.

[0041] Specifically, after the calibration of the first limit sensor is completed, the second limit sensor is directly calibrated as the second direction opposite to the first direction.

[0042] The present application is applicable to the case where none of the limit sensors detects that the spray gun touches the limit when the system is powered on for the first time. In this case, the above calibration process is not triggered when the system is powered on for the first time, but may be triggered during the rotation of the spray gun. It is also applicable to the case where a limit sensor detects that the spray gun touches the limit when the system is powered on for the first time. In this case, the limit detection is triggered when the system is powered on for the first time (at this time, although the detection is detected, the calibration is triggered), the rotation of the spray gun needs to be controlled, and the above calibration process can be triggered during the rotation of the spray gun.

[0043] In an embodiment, the spray gun rotation button is configured to control the first spray gun rotation gear pump to stop rotating to drive the spray gun to stop rotating after the vehicle controller calibrates the first limit sensor as the limit sensor in the first direction.

[0044] Specifically, at this time, the first part of the calibration process has been completed, but the spray barrel is still in a rotating state. At this time, the vehicle controller no longer outputs the spray barrel rotation signal, and the electromagnetic valve controlling the spray barrel rotation gear pump stops controlling the spray barrel rotation gear pump to drive the spray barrel to rotate.

[0045] In a feasible implementation, the vehicle controller is configured to record the direction calibration state of each limit sensor.

[0046] Specifically, the vehicle controller is internally provided with a special storage area or database for recording the direction calibration state of each limit sensor. These state information includes whether the sensor is calibrated, which direction of the limit sensor is calibrated, etc. When the vehicle controller first receives the trigger signal from a certain limit sensor and successfully completes the direction calibration, it will update the state of the sensor to "calibrated" and record which direction of the limit sensor (e.g., the first direction or the second direction).

[0047] The vehicle controller records the calibration state of this limit sensor in any case (the connection mode of the hardware wiring and mechanical structure of the vehicle), and the detection state of the limit sensor and the display on the display terminal are fixed and unchangeable. After the calibration of the limit sensor is completed, if the wiring harness or limit switch is adjusted for other reasons, the corresponding adjustment needs to be made according to the left and right limit inputs after the calibration is completed, that is, the left and right limits of the vehicle can only be calibrated once.

[0048] In a feasible implementation, the vehicle controller is configured to assign different limit detection tasks to each limit sensor according to the direction calibration state of each limit sensor recorded by the vehicle controller.

[0049] Specifically, the vehicle controller assigns a limit detection task in a specific direction to each limit sensor according to the possible rotation direction and range of the spray barrel. The limit detection task includes detecting whether the spray barrel reaches a certain specific rotation angle, whether it touches a certain physical limit, etc. After determining the task allocation strategy, the task is assigned to each limit sensor. After receiving the task, each limit sensor starts to execute the limit detection task according to the configured parameters. During the task execution process, the vehicle controller monitors the state of each limit sensor in real time. If the sensor detects that the spray barrel reaches the limit condition, it will immediately send a trigger signal to the vehicle controller. After receiving the signal, the vehicle controller will take corresponding measures according to the preset response strategy, such as stopping the rotation of the spray barrel, issuing an alarm prompt, etc.

[0050] In a feasible implementation, referring to FIG. 8, Figure 3 Figure 3 ​The utility model provides a third kind of limit sensor direction calibration system's structure schematic diagram is shown, wherein, the system still includes display terminal 5, the display terminal is used for showing the direction calibration state of each limit sensor and the limit detection task of each limit sensor.

[0051] Specifically, the display terminal can receive data from the vehicle controller in real time, including the direction calibration state of each limit sensor and the limit detection task information. Through a graphical interface or text form, the display terminal can clearly show the state of each sensor, such as whether it has been calibrated, which direction the limit sensor is calibrated to, etc. It can also show the current limit detection task being executed, including the specific requirements of the task, the triggering conditions, and the expected response actions, etc.

[0052] The above is only the preferred embodiment of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A position sensor orientation calibration system, comprising: The system comprises a vehicle controller, a limit sensor, a spray barrel rotating gear pump and a spray barrel rotating button; the vehicle controller is electrically connected with the limit sensor, the spray barrel rotating gear pump and the spray barrel rotating button respectively; The spray barrel rotating gear pump is connected with a spray barrel; the limit sensor comprises a first limit sensor and a second limit sensor.

2. The system of claim 1, wherein, The spray barrel rotating button is used to control the rotation of the spray barrel rotating gear pump; the spray barrel rotating gear pump is used to drive the rotation of the spray barrel; the limit sensor is used to detect whether the spray barrel moves to a limit position when rotating; the vehicle controller calibrates the direction of the limit sensor according to the detection result of the limit sensor.

3. The system of claim 1, wherein, The vehicle controller is used to set the direction of the limit sensor as uncalibrated when the system is powered on for the first time.

4. The system of claim 1, wherein, The spray barrel rotating button comprises a first spray barrel rotating button and a second spray barrel rotating button.

5. The system of claim 4, wherein, The first spray barrel rotating button is used to control the rotation of the spray barrel rotating gear pump in a first direction to drive the rotation of the spray barrel in the first direction; The first limit sensor is used to detect whether the spray barrel moves to a limit position when rotating in the first direction; The vehicle controller is used to calibrate the first limit sensor as a limit sensor in the first direction when the spray barrel moves to a limit position when rotating in the first direction.

6. The system of claim 5, wherein, The vehicle controller is used to calibrate the second limit sensor as a limit sensor in a second direction, wherein the first direction and the second direction are opposite directions.

7. The system of claim 5, wherein, The spray barrel rotating button is used to control the spray barrel rotating gear pump to stop rotating to drive the spray barrel to stop rotating after the vehicle controller calibrates the first limit sensor as a limit sensor in the first direction.

8. The system of claim 5, wherein, The vehicle controller is used to record the direction calibration state of each limit sensor.

9. The system of claim 8, wherein, The vehicle controller is used to assign different limit detection tasks to each limit sensor according to the direction calibration state of each limit sensor recorded by the vehicle controller.

10. The system of claim 8, wherein, The system further comprises a display terminal, which is used to display the direction calibration state of each limit sensor and the limit detection task of each limit sensor.

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