Fault diagnosis auxiliary platform based on unmanned agricultural locomotive

Abstract

The utility model provides a fault diagnosis auxiliary platform based on an unmanned agricultural locomotive, which belongs to the technical field of unmanned fault detection and comprises a base, a plurality of accommodating cavities are formed in the end face of the base, and a plurality of studs are further arranged on the outer edge of the base; the damping group is arranged in the placement cavity; the plurality of sensor testing elements are arranged on the damping group, and the sensor testing elements are coupled with a sensor of the unmanned agricultural locomotive; and the central processing unit is coupled with the sensor testing element and is used for monitoring the operation data of the sensor testing element. By arranging the fault diagnosis auxiliary platform, fault positions, fault reasons and even fault levels can be accurately judged, corresponding decisions can be rapidly taken, the operation risk of the unmanned agricultural locomotive is reduced, and the operation safety performance of the unmanned agricultural locomotive is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned fault detection technical field, especially related to a kind of fault diagnosis auxiliary platform based on unmanned agricultural vehicle. BACKGROUND

[0002] Unmanned agricultural vehicle is based on agricultural vehicle (such as tractor, fertilizer machine, rotary tiller etc.) fusion sensor, computer, artificial intelligence, communication, navigation positioning, pattern recognition, machine vision, intelligent control etc., let agricultural vehicle not rely on manpower, can realize operation in farmland, and can adapt to flat operation, hilly operation, dry land operation, paddy field operation etc..In recent years, with the continuous development of unmanned agricultural vehicle, it has great promoting effect on China's agricultural structure adjustment, further promotes the research and development of unmanned agricultural vehicle.

[0003] The existing unmanned agricultural vehicle is fused with a large number of sensors (such as radar distance sensor, angular displacement sensor etc.), communication module, machine vision etc., when unmanned agricultural vehicle appears fault, need to contact corresponding maintenance personnel, check relevant part and make fault judgment, but as unmanned module is numerous, after appearing fault, often unable to judge fault position and fault reason, make unmanned agricultural vehicle exist driving risk when operating. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a kind of fault diagnosis auxiliary platform based on unmanned agricultural vehicle to solve the technical problem that, as unmanned module is numerous, after appearing fault, often unable to judge fault position and fault reason, make unmanned agricultural vehicle exist driving risk when operating in prior art.

[0005] The technical scheme that the utility model solves above-mentioned technical problem is as follows:

[0006] A kind of fault diagnosis auxiliary platform based on unmanned agricultural vehicle, including

[0007] Base, the base end face is equipped with several installation cavities, the base outer edge is also provided with several stud bolts;

[0008] Damping group, the damping group is set in the installation cavity;

[0009] Sensor test element, several sensor test elements are set on the damping group, the sensor test element is coupled with the sensor of unmanned agricultural vehicle;And

[0010] Central processing unit, the central processing unit is coupled with the sensor test element, for monitoring the operating data of the sensor test element.

[0011] Preferably, the sensor test element comprises a functional test element for testing the output signal of the sensor of the unmanned agricultural vehicle and an electrical test element for testing the voltage or current of the sensor of the unmanned agricultural vehicle.

[0012] Preferably, a sliding cavity is formed in the accommodating cavity, the damping group comprises a variable-diameter cylinder, a tightening ring, a damping spring and a damping washer, the variable-diameter cylinder is arranged in the accommodating cavity and sleeved on the outer wall of the sensor test element, the sliding protrusion is arranged on the outer wall of the variable-diameter cylinder and fitted in the sliding cavity, the tightening ring is sleeved on the variable-diameter cylinder and the variable-diameter cylinder is reduced in diameter by being squeezed by the tightening ring, the damping spring is arranged in the accommodating cavity and located at the bottom of the accommodating cavity, and the damping washer is arranged on the damping spring and located at the bottom of the sensor test element.

[0013] Preferably, a plurality of damping washers are arranged in sequence.

[0014] Preferably, the surface of the damping washer is provided with a micro-textured groove.

[0015] Preferably, the base is further provided with an electric push rod, and the electric push rod is provided with a camera assembly.

[0016] Preferably, the electric push rod is further provided with an illuminating assembly.

[0017] Preferably, the base is further provided with an Internet of Things network frame, the Internet of Things network frame is provided with an Internet of Things gateway, and the Internet of Things gateway is coupled with the central processor.

[0018] Preferably, the bottom of the base is provided with a rubber pad.

[0019] Compared with the prior art, the utility model has at least the following advantages:

[0020] By setting the fault diagnosis auxiliary platform, the fault position, fault reason and even fault level can be accurately judged, corresponding decisions can be quickly taken, the operation risk of the unmanned agricultural vehicle is reduced, and the operation safety performance of the unmanned agricultural vehicle is improved; meanwhile, the fault diagnosis auxiliary platform is convenient to install, can monitor multiple unmanned agricultural vehicles, and is all disposed and processed by the central processor, has the advantages of wide monitoring surface and comprehensive monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an axonometric view of a fault diagnosis auxiliary platform based on an unmanned agricultural vehicle.

[0022] Figure 2 It is a schematic view of a damping group.

[0023] Figure 3 Schematic view of damping washer.

[0024] In the figure: base 100, installation cavity 110, sliding cavity 111, stud 120, rubber pad 130, damping group 200, variable diameter cylinder 210, sliding protrusion 211, tightening ring 220, damping spring 230, damping washer 240, micro-textured groove body 241, sensor test element 300, functional test element 310, electrical test element 320, central processing unit 400, electric push rod 500, camera assembly 510, lighting assembly 520, Internet of Things network frame 600, Internet of Things gateway 610. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions of the present application will be further described below in conjunction with the drawings of the embodiments of the present application. The present application is not limited to the following specific embodiments.

[0026] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present application, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicating the orientation or positional relationship, it is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0027] Please refer to Figure 1The utility model provides a kind of based on unmanned agricultural vehicle's fault diagnosis auxiliary platform, including base 100, the base 100 end face is equipped with several installation cavity 110, the outer edge of base 100 is also provided with several stud 120;Damping group 200, the damping group 200 is arranged in the installation cavity 110;Sensor test element 300, several sensor test element 300 are arranged on the damping group 200, and the sensor test element 300 is coupled with the sensor of unmanned agricultural vehicle;And central processing unit 400, the central processing unit 400 is coupled with the sensor test element 300, for monitoring the operating data of the sensor test element 300.Working, the base 100 is installed in the vehicle head or cab of unmanned agricultural vehicle by the stud 120, and the sensor test element 300 is installed in the installation cavity 110, and the sensor test element 300 is fixed by the damping group 200, the damping group 200 is fixed the sensor test element 300 at the same time, due to unmanned agricultural vehicle in the process of movement in farmland, will produce shaking, shaking, set up the damping group 200 can reduce the shaking amplitude of the sensor test element 300, prevent the sensor test element 300 from being damaged, sensitivity reduction and other problems;The sensor test element 300 is coupled with the sensor of unmanned agricultural vehicle, and the standard signal input by the sensor test element 300 is simultaneously input into the sensor of unmanned agricultural vehicle with the signal input by unmanned agricultural vehicle, becomes output signal after being converted by the sensor of unmanned agricultural vehicle, and the standard signal output is received by the sensor test element 300, and whether the standard signal appears variable is judged, if the standard signal input by the sensor test element 300 of unmanned agricultural vehicle's sensor is within the existing variable threshold with the standard signal output, then it indicates that the sensor of unmanned agricultural vehicle is in normal working condition, if the standard signal input by the sensor test element 300 of unmanned agricultural vehicle's sensor exceeds the existing variable threshold with the standard signal output, then it indicates that the sensor of unmanned agricultural vehicle is in abnormal working condition, indicating that the monitoring sensor of the unmanned agricultural vehicle appears abnormal data, and the central processing unit 400 is coupled with the sensor test element 300, when abnormal data appears, staff can monitor abnormal data on central processing unit 400, and notify staff to overhaul.Meanwhile, since multiple sensor test element 300 is arranged, the sensor test element 300 is an existing device, such as AHLS photoelectric detector, STK current sensor detection device, hall current sensor detector, etc., can simultaneously monitor multiple sensors of unmanned agricultural vehicle, especially important component sensor, for example, radar sensor, angular displacement sensor, vision sensor, speed sensor, torque sensor etc.By setting the fault diagnosis auxiliary platform, the fault position, the fault cause, and even the fault level can be accurately judged, corresponding decisions can be taken quickly, the operation risk of the unmanned agricultural vehicle can be reduced, and the operation safety performance of the unmanned agricultural vehicle can be improved; meanwhile, the fault diagnosis auxiliary platform is convenient to install, can monitor multiple unmanned agricultural vehicles, and is all disposed and processed by the central processor 400, and has the advantages of wide monitoring surface and comprehensive monitoring.

[0028] Further, the sensor test element 300 includes a function test element 310 and an electrical test element 320. The function test element 310 is used to test the output signal of the sensor of the unmanned agricultural vehicle. By inputting a known standard signal (such as temperature, illumination, etc.), the output of the sensor can be detected by using an AHLS photoelectric detector, and it is observed whether the output of the sensor meets the expectation. The electrical test element 320 is used to test the voltage or current of the sensor of the unmanned agricultural vehicle. The voltage and current of the sensor in the working state are measured, and the detection can be performed by using an STK current sensor detection device or a Hall current sensor detection, so as to ensure that the sensor meets the specifications. Different sensors can be detected by using different sensor test elements 300. For example, the radar sensor is detected by using the function test element 310, the angular displacement sensor is detected by using the function test element 310, the voltage sensor is detected by using the electrical test element 320, the power sensor is detected by using the electrical test element 320, and the like.

[0029] As a further preferred, the setting cavity 110 is provided with a sliding cavity 111, the damping group 200 comprises a variable diameter cylinder 210, a tightening ring 220, a damping spring 230 and a damping gasket 240, the variable diameter cylinder 210 is arranged in the setting cavity 110, the bottom of the variable diameter cylinder 210 is fixedly arranged in the setting cavity 110 by bolt connection or welding, the upper end of the variable diameter cylinder 210 extends to the outside of the base 100, the upper end of the variable diameter cylinder 210 can be elastically contracted and is sleeved on the outer wall of the sensor test element 300, the outer wall of the variable diameter cylinder 210 is provided with a sliding protrusion 211, the sliding protrusion 211 is fitted in the sliding cavity 111, the tightening ring 220 is sleeved on the variable diameter cylinder 210, the tightening ring 220 can be elastically contracted, and the tightening ring 220 tightly extrudes the variable diameter cylinder 210 to reduce the diameter of the variable diameter cylinder 210, the damping spring 230 is arranged in the setting cavity 110 and located at the bottom of the setting cavity 110, the damping gasket 240 is arranged on the damping spring 230 and located at the bottom of the sensor test element 300; the damping gasket 240 plays a role in damping and sealing. In operation, the setting cavity 110 is filled with lubricating oil, the lubricating oil lubricates the damping spring 230 and part of the damping gasket 240, at the same time, the uppermost damping gasket 240 plays a sealing role to prevent the lubricating oil from flowing out, and the sensor test element 300 is installed in the setting cavity 110 and fitted with the damping gasket 240, the tightening ring 220 tightens the variable diameter cylinder 210 to fix the sensor test element 300 in the setting cavity 110 and fix the sensor test element 300 on the base 100, when the agricultural vehicle engine shakes violently or the farmland is uneven, since the sliding protrusion 211 is arranged in the sliding cavity 111, the sensor test element 300 shakes and moves upward or downward, but the deformation amount is small, the damping spring 230 is slightly deformed, and the damping group 200 can play a good damping and wear-resistant role on the sensor test element 300, thereby improving the anti-shake performance of the sensor test element 300.

[0030] Specifically, the damping gasket 240 is provided with a plurality of damping gaskets 240 and is arranged in sequence. The plurality of damping gaskets 240 can play a good damping role.

[0031] Specifically, the damping gasket 240 comprises a metal gasket and a rubber gasket 130, wherein the metal gasket is arranged close to the damping spring 230, a plurality of metal gaskets are arranged in sequence and play a role in damping, the rubber gasket 130 is arranged on the metal gasket and contacts the bottom of the sensor test element 300, plays a role in sealing lubricating oil, and plays a role in damping at the same time.

[0032] Specifically, the damping pad 240 is provided with a micro-textured groove 241 on the surface. The metal pad is provided with a micro-textured groove 241 on the surface. When the damping spring 230 is contracted, the damping pad 240 moves downward and contacts the lubricating engine oil in the accommodation cavity 110. The metal pad in the damping pad 240 is immersed in the lubricating engine oil. The micro-textured groove 241 has the effect of reducing noise and wear. While the damping pad 240 is damping, it prevents the damping pad 240 from generating high noise and excessive wear.

[0033] Further description, in order to comprehensively monitor the safe driving of the unmanned agricultural vehicle, the base 100 is also provided with an electric push rod 500, and the electric push rod 500 is provided with a camera assembly 510. By adjusting the appropriate height of the electric push rod 500, the camera assembly 510 transmits real-time pictures to the central processor 400, which can comprehensively monitor the running state of the unmanned agricultural vehicle in the farmland, and facilitate the monitoring of the cab condition and the tractor instrument panel in a large area.

[0034] Further, the electric push rod 500 is also provided with a lighting assembly 520. In order to monitor the real-time picture of the cab or the farmland efficiently, the lighting assembly 520 is arranged, so that the camera assembly 510 can monitor the cab condition or the farmland road picture in real time in the case of overcast or evening, or insufficient light source of the cab.

[0035] Further, the base 100 is also provided with an Internet of Things network frame 600, and the Internet of Things network gateway 610 is arranged in the Internet of Things network frame 600. The Internet of Things network gateway 610 is coupled with the central processor 400. In order to transmit the data signal of the sensor test element 300 and the camera picture signal in real time and efficiently, the data signal of the sensor test element 300 and the camera picture signal are transmitted to the central processor 400 in real time through the Internet of Things network gateway 610 for monitoring by the staff.

[0036] As a preferred, the base 100 is provided with a rubber pad 130 at the bottom. In order to ensure that the base 100 is firmly arranged on the unmanned agricultural vehicle, the rubber pad 130 is arranged at the bottom of the base 100. The rubber pad 130 has the effect of damping, and at the same time, the rubber pad 130 has elasticity and rough surface. When the base 100 is installed on the unmanned agricultural vehicle through the stud 120, the friction is increased, and the base 100 is prevented from deviating.

[0037] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fault diagnosis assistance platform based on unmanned agricultural vehicle, characterized in that, The utility model relates to an unmanned agricultural vehicle sensor test device The base is provided with a plurality of installation cavities in the end face, and a plurality of threaded studs are further arranged on the outer edge of the base; A damping group is arranged in the installation cavity; A sensor test element is arranged on the damping group, and the sensor test element is coupled with the sensor of the unmanned agricultural vehicle; And A central processing unit is coupled with the sensor test element and used for monitoring the operation data of the sensor test element. The installation cavity is provided with a sliding cavity, the damping group comprises a variable-diameter cylinder, a tightening ring, a damping spring and a damping washer, the variable-diameter cylinder is arranged in the installation cavity and sleeved on the outer wall of the sensor test element, the outer wall of the variable-diameter cylinder is provided with a sliding protrusion, the sliding protrusion is fitted in the sliding cavity, the tightening ring is sleeved on the variable-diameter cylinder, and the tightening ring is tightened to extrude the variable-diameter cylinder to reduce the cylinder diameter, the damping spring is arranged in the installation cavity and located at the bottom of the installation cavity, and the damping washer is arranged on the damping spring and located at the bottom of the sensor test element.

2. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 1, wherein, The sensor test element comprises a functional test element and an electrical test element, the functional test element is used for testing the output signal of the sensor of the unmanned agricultural vehicle, and the electrical test element is used for testing the voltage or current of the sensor of the unmanned agricultural vehicle.

3. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 1, wherein, A plurality of damping washers are arranged in sequence.

4. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 3, wherein, The surface of the damping washer is provided with a micro-textured groove.

5. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 1 wherein, An electric push rod is further arranged on the base, and a camera assembly is arranged on the electric push rod.

6. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 5, wherein, An illuminating assembly is further arranged on the electric push rod.

7. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 1 wherein, An internet-of-things network frame is further arranged on the base, an internet-of-things gateway is arranged in the internet-of-things network frame, and the internet-of-things gateway is coupled with the central processing unit.

8. The fault diagnosis assistance platform based on unmanned agricultural vehicle as claimed in claim 1 wherein, A rubber pad is arranged at the bottom of the base.

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