An external grain storage environment inspection scanning device and inspection method thereof

Abstract

An external grain storage environment inspection and scanning device and an inspection method thereof relate to the technical field of environmental detection. The inspection and scanning device comprises a central cylinder and an inspection and scanning system. The central cylinder comprises a vertically arranged transparent vertical cylinder. The inspection and scanning system comprises a columnar rotating frame rotatably arranged on the outer ring of the vertical cylinder, and a scanning frame vertically slidably arranged on the rotating frame, as well as a first driving machine and a second driving machine capable of respectively driving the rotating frame to rotate and the scanning frame to slide vertically. The scanning frame comprises a scanning cylinder coaxially sleeved on the outer ring of the vertical cylinder. The inner ring circumferential array of the scanning cylinder has a plurality of insect attracting lamps and cameras, and a nitrogen sensor and a temperature sensor are also arranged thereon. The cooperation of the two driving machines can drive the camera to complete the pest inspection work without dead angles on the inner wall of the vertical cylinder, and the nitrogen concentration and temperature monitoring work can be completed through the nitrogen sensor and the temperature sensor. The inspection and scanning device is located outside the grain silo to be inspected as a whole, so that the later disassembly and maintenance work can be more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of environmental detection, and in particular to an external granary grain storage environment inspection scanning device and an inspection method thereof. Background Art

[0002] Granaries are the main grain storage equipment, and the monitoring of their grain storage environment is related to the storage quality and storage time of grain. The application document with application number CN202410620680.0 in the patent library discloses a patrol method for a full-depth granary environment and automatic pest patrol device. The patrol method is based on a patrol device vertically arranged in the middle of the granary. It uses a pulley that can move up and down to drive the camera and temperature and humidity sensors to move, and then obtain environmental information at different depths in the granary, thereby ensuring the integrity of the granary environmental information collection and thus ensuring the detection results. The accuracy of the information collected by the granary is improved, but on the one hand, its vertical setting in the middle of the granary makes it only suitable for granaries with smaller diameters. When the diameter of the granary is large, multiple groups of inspection devices need to be deployed to ensure the accuracy of the environmental information collected by the granary, which will greatly increase the difficulty of monitoring or information processing. On the other hand, the same as the existing granary environmental detection method, this method of setting the environmental information collection equipment (inspection device) inside the granary and completing the environmental monitoring work inside the granary, once the equipment is damaged, the subsequent maintenance and replacement work will also be difficult to achieve.

[0003] Moreover, since the camera of the inspection device in the above application document has a single fixed illumination direction, when it is applied to a large-diameter grain silo, it will also lead to incomplete acquisition of grain silo pest information and have certain limitations in use. Summary of the invention

[0004] In order to solve the technical problems existing in the above-mentioned background technology, the present invention provides an external grain storage environment inspection scanning device and an inspection method thereof.

[0005] The technical solution of the present invention is as follows:

[0006] The present invention firstly provides an external grain storage environment inspection and scanning device, comprising a central cylinder and an external inspection and scanning system, wherein the central cylinder can be mounted on the outside of the grain storage silo to be inspected, and the inspection and monitoring work of the grain storage environment of the grain storage silo can be completed through the inspection and scanning system.

[0007] As the core technical concept of the present invention, the central cylinder includes a bottom plate and a transparent vertical cylinder vertically arranged on the upper middle side thereof, and an air vent is provided on the upper outer ring of the vertical cylinder. The inspection and scanning system includes an annular chassis coaxially sleeved on the outer ring of the vertical cylinder and fixed on the upper side of the bottom plate, and a rotating frame rotatably arranged on the chassis. The rotating frame includes a first fixed ring coaxially sleeved on the outer ring of the vertical cylinder and rotatably arranged on the chassis. A plurality of vertical rods circumferentially arranged around the first fixed ring are vertically arranged on the upper side of the first fixed ring. The upper ends of the plurality of vertical rods are connected to a second fixed ring coaxially sleeved on the outer ring of the vertical cylinder. A first driving motor is also provided on the chassis, which is transmission-connected to the first fixed ring and can drive the first fixed ring to rotate, thereby driving the rotating frame to rotate.

[0008] Furthermore, the patrol scanning system also includes a scanning frame, which includes a scanning ring coaxially sleeved on the outer ring of the vertical cylinder and vertically slidably connected to the vertical pole, the inner ring of the scanning ring is provided with a cylindrical scanning cylinder, and the inner ring circular array of the scanning cylinder has a number of insect-attracting lights and cameras, and the patrol scanning system also includes a nitrogen sensor and a temperature sensor arranged on the scanning frame.

[0009] Furthermore, the inspection and scanning system also includes a scanning drive mechanism, which includes a threaded rod vertically and rotatably connected between a first fixed ring and a second fixed ring. A second driving machine is also provided on the upper side of the second fixed ring, which is transmission-connected to the threaded rod and can drive the threaded rod to rotate. The threaded rod passes through the scanning ring and is spirally connected to the scanning ring.

[0010] On the basis of the above structure, the inspection and scanning device also includes a sealing cylinder that is coaxial with the vertical cylinder and sleeved on the outside of the inspection and scanning system. By opening a through hole on the granary to be inspected and arranging a stop net in the through hole that only allows pests to pass through, the pests inside the granary can be lured to the vertical cylinder outside the granary through the circumferentially arranged insect attracting lights, and the circumferentially arranged cameras, as well as the cooperation with the first drive engine and the second drive engine, the pest inspection and detection work of the inner wall of the vertical cylinder without dead angles can be completed. Through the nitrogen sensor and the temperature sensor, the nitrogen concentration and temperature inside the sealing cylinder (equivalent to the inside of the granary) can be monitored, and finally the overall monitoring of the grain storage environment of the granary is realized. The inspection and scanning device is located outside the granary to be inspected as a whole. When damage or failure occurs, the disassembly and maintenance work can be better completed, and the circumferentially arranged cameras can be used to detect whether there are pests in the granary. When the diameter of the granary is large, the insect attracting and pest monitoring work can still be completed more comprehensively, and finally the accuracy of the granary environmental information monitoring is guaranteed.

[0011] As a preferred embodiment, in order to further ensure that the pests inside the granary can be effectively lured to the outside of the granary and complete the monitoring of pest information, the central cylinder also includes an annular isolation net coaxially arranged inside the upper end of the vertical cylinder, and an insect attractant sprayer is provided on the isolation net.

[0012] In the external grain storage environment inspection and scanning device as described above, a plurality of the insect attractant lamps and cameras are arranged in a circular array at the upper and lower parts of the scanning tube, and the vertical projections of the plurality of the insect attractant lamps and cameras are staggered. While ensuring the insect attracting effect of the insect attractant lamps, the influence of the irradiation of the insect attractant lamps on the image information collected by the camera is prevented, thereby ensuring the accuracy of pest information monitoring.

[0013] As a preferred implementation, in order to avoid the influence of the insect-attracting light on the image information collected by the camera, and to enable the camera to clearly complete the image information collection work with the help of the insect-attracting light, the vertical height difference between the insect-attracting light and the horizontal plane where the camera is located is 7-15cm.

[0014] In order to ensure the insect attracting effect of the insect attracting lamp, the insect attracting lamp is an arc-shaped belt structure.

[0015] As described above, in order to facilitate the maintenance of the inspection and scanning system, the chassis and the bottom plate are rotated and connected by a snap-fit ​​structure, and the inspection and scanning system can be quickly disassembled and assembled by rotating the second fixed ring with the help of a ladder.

[0016] The external grain storage environment inspection and scanning device as described above also includes a control system to ensure that the inspection and scanning device can operate automatically. The first driving motor, the second driving motor, the insect attractant lamp, the camera, the insect attractant sprayer, the nitrogen sensor and the temperature sensor are all communicatively connected to the control system and can be controlled and operated by the control system.

[0017] On the basis of the above structure, the present invention further provides an inspection method. Based on the above external grain storage environment inspection scanning device, the method is used for the inspection of the grain storage environment of the grain storage. A through hole is opened on the grain storage to be inspected, and a stopper net is provided in the through hole that only allows pests to pass through. The inspection method specifically includes the following steps:

[0018] S1, starting device;

[0019] Start the inspection scanning device through the control system;

[0020] S2, reset;

[0021] The second driving motor moves to drive the scanning frame to move down to the lower end of the rotating frame;

[0022] S3, insect trap;

[0023] A number of insect attracting lamps are turned on, and the second driving machine drives the scanning frame to move up and down at a uniform speed for a first preset number of times, and then drives the scanning frame to reset to the lower end of the rotating frame, and at the same time, the insect attractant sprayer works for a second preset number of times at a preset time interval;

[0024] To ensure the insect attracting effect, the preset time interval is preferably 3-7 minutes, the first preset number of times is preferably at least five times, and the second preset number of times is preferably at least three times;

[0025] S4, inspection;

[0026] The total travel of the scanning frame is evenly divided into three inspection areas. The scanning frame drives the camera, temperature sensor and nitrogen sensor to complete the environmental inspection of the three inspection areas from bottom to top in sequence. The specific inspection steps corresponding to each inspection area are as follows:

[0027] S4.1. The camera and the temperature sensor work to collect environmental information of the inspection area, wherein the environmental information includes image information and temperature information;

[0028] S4.2, the second driving motor moves to drive the scanning frame to move up a preset distance, and at the same time the first driving motor moves to drive the rotating frame to rotate at a preset angle;

[0029] The preset distance is preferably 10-20 cm. To ensure that the action of the second driving machine can be more conveniently controlled and that the environmental information collection can be more comprehensive, the total height of the inspection area is an integer multiple of the preset distance and an even multiple. At the same time, the value of the preset angle is the ratio of 180 to the total number of cameras.

[0030] S4.3, the camera and the temperature sensor work to obtain the environmental information of the inspection area again;

[0031] S4.4, the second driving motor is activated to drive the scanning frame to move up a preset distance, and at the same time the first driving motor is activated to drive the rotating frame to rotate in the opposite direction by a preset angle;

[0032] S4.5, the camera and the temperature sensor work to obtain the environmental information of the inspection area again;

[0033] S4.6, repeating steps S4.2-S4.5 to obtain several sets of environmental information of the inspection area, and when the scanning frame moves to the middle position of the inspection area, the nitrogen sensor works to obtain the nitrogen concentration information of the inspection area;

[0034] S5, information processing;

[0035] The control system constructs an environmental information image model based on the received environmental information.

[0036] The collection of granary environmental information through the above-mentioned inspection method, with the cooperation of the first drive motor and the second drive motor, can completely obtain the image information of the outer periphery of the vertical cylinder, as well as several groups of temperature environmental information from bottom to top, and three groups of nitrogen concentration information corresponding to the three inspection areas through the camera, so that the staff can grasp the overall environment of the granary storage more accurately according to the inspection results, effectively ensuring the accuracy of the monitoring results.

[0037] In the inspection method described above, in step S5, the environmental information image model includes a three-dimensional granary model pre-stored in the control system and having the same proportions as the granary to be inspected. The specific steps of step S5 are:

[0038] S5.1. The control system determines whether there are pests based on the image information in the received environmental information, and marks the locations where the pests exist on the three-dimensional granary model;

[0039] S5.2, the control system constructs a temperature curve graph based on the temperature information in the received environmental information, with the depth of the granary as the vertical axis and the temperature value as the horizontal axis;

[0040] S5.3. The control system constructs a nitrogen concentration curve graph based on the nitrogen concentration information received from the three inspection areas, with the depth of the granary as the vertical axis and the nitrogen concentration value as the horizontal axis.

[0041] The beneficial effects of the present invention are as follows: the present invention is an external grain storage environment inspection and scanning device and an inspection method thereof, which can attract pests inside the grain silo to the inner wall of the vertical cylinder outside the grain silo through the circumferentially arranged insect attracting lamps, and complete the pest inspection and detection work of the inner wall of the vertical cylinder without dead angles through the circumferentially arranged cameras and the cooperation with the first driving machine and the second driving machine, and complete the monitoring work of the nitrogen concentration and temperature inside the sealing cylinder (equivalent to the inside of the grain silo) through the nitrogen sensor and the temperature sensor, and finally realize the overall monitoring work of the grain storage environment of the grain silo, the inspection and scanning device is located outside the grain silo to be inspected as a whole, and when damage or failure occurs, it can better complete the disassembly and maintenance work, and detect whether there are pests in the grain silo through the circumferentially arranged cameras. When the diameter of the grain silo is large, it can still complete the insect attracting and pest monitoring work more comprehensively, and finally ensure the accuracy of the grain silo environmental information monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention.

[0043] In the attached picture:

[0044] Figure 1It is a schematic diagram of the structure of the inspection and scanning device in the embodiment;

[0045] Figure 2 It is a structural schematic diagram of the middle cylinder in the embodiment;

[0046] Figure 3 It is a structural schematic diagram of the inspection and scanning system in the embodiment;

[0047] Figure 4 This is a schematic diagram of the matching structure between the rotating frame and the chassis in the embodiment;

[0048] Figure 5 It is a schematic diagram of the structure of the scanning frame in the embodiment;

[0049] The components represented by the reference numerals in the figure are:

[0050] 1. Center cylinder; 11. Bottom plate; 12. Vertical cylinder; 121. Air vent; 13. Isolation net; 14. Insect attractant sprayer; 2. Inspection and scanning system; 21. Chassis; 22. Rotating frame; 221. First fixing ring; 222. Vertical pole; 223. Second fixing ring; 23. First driving motor; 24. Press plate; 25. Scanning frame; 251. Scanning ring; 252. Scanning cylinder; 253. Insect attractant lamp; 254. Camera; 255. Temperature sensor; 256. Nitrogen concentration sensor; 26. Threaded rod; 27. Second driving motor. DETAILED DESCRIPTION

[0051] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

[0052] Embodiment: This embodiment first provides an external grain storage environment inspection scanning device, see Figure 1 , including a central cylinder 1 and an external inspection and scanning system 2. The central cylinder 1 can be mounted on the outside of the grain silo to be inspected, and the inspection and monitoring work of the grain storage environment of the grain silo can be completed through the inspection and scanning system 2. The structure of the inspection and scanning device (the above-mentioned external grain silo storage environment inspection and scanning device) is described in detail below.

[0053] In this embodiment, combined with Figure 2 The central tube 1 includes a bottom plate 11 and a transparent vertical tube 12 vertically arranged on the upper middle part thereof. The granary to be inspected can be placed as a whole inside the vertical tube 12 (or the vertical tube 12 can be installed as a whole outside the granary to be inspected), and the inspection and monitoring work of the granary storage environment is completed through the external inspection scanning system 2.

[0054] In this embodiment, combined with Figure 3The inspection and scanning system 2 includes an annular chassis 21 coaxially sleeved on the outer ring of the vertical cylinder 12 and fixed on the upper side of the bottom plate 11. The upper side of the annular chassis 21 is rotatably provided with a rotating frame 22 which is cylindrical as a whole and sleeved on the outer ring of the vertical cylinder 12. The inspection and scanning system 2 also includes a scanning frame 25 arranged on the rotating frame 22, and the inspection and monitoring work of the grain storage environment of the granary can be completed through the cooperation of the scanning frame 25 and the rotating frame 22.

[0055] Combination Figure 4 Specifically, with regard to the structure of the rotating frame 22 and the way it cooperates with the rotating disk, an annular rotating groove is opened on the upper side of the rotating disk, and the rotating frame 22 includes a first fixed ring 221 coaxially sleeved on the outer ring of the vertical cylinder 12 and rotatably set in the rotating groove on the chassis 21, and a pressure plate 24 is also straddled on the rotating groove, and the first fixed ring 221 is pressed into the rotating groove by the pressure plate 24, and the rotating frame 22 also includes a plurality of vertical rods 222 vertically arranged on the upper side of the first fixed ring 221 and circumferentially arranged around the first fixed ring 221, and a second fixed ring 223 coaxially sleeved on the outer ring of the vertical cylinder 12 and connected to the upper ends of the plurality of vertical rods 222, and a first driving motor 23 is also provided on the upper side of the chassis 21, which is transmission-connected to the first fixed ring 221 and can drive the first fixed ring 221 to rotate alternately forward and reverse, thereby driving the rotating frame 22 to rotate alternately forward and reverse.

[0056] As a preferred embodiment, in order to make the maintenance of the inspection and scanning system 2 more convenient, the chassis 21 and the base plate 11 are rotated and connected by a snap-on structure, and the inspection and scanning system 2 can be quickly disassembled and assembled by rotating the second fixed ring 223 with the help of an escalator hand.

[0057] Combination Figure 5 Specifically, regarding the structure of the scanning frame 25 and its cooperation with the rotating frame 22, the scanning frame 25 includes a scanning ring 251 coaxially sleeved on the outer ring of the vertical cylinder 12 and vertically slidably connected to the vertical rod 222. The inner ring of the scanning ring 251 is provided with a cylindrical scanning cylinder 252. The inner diameter of the scanning cylinder 252 is larger than the outer diameter of the vertical cylinder 12, and a plurality of insect attracting lamps 253 and cameras 254 are arranged in a circular array on the inner ring. The inspection and scanning system 2 also includes a nitrogen sensor and a temperature sensor 255 arranged on the scanning frame 25. In order to ensure the insect attracting effect of the insect attracting lamp 253, the insect attracting lamp 253 is arranged as an arc-shaped belt structure.

[0058] Furthermore, the inspection and scanning system 2 also includes a scanning drive mechanism, which includes a threaded rod 26 that is vertically and rotatably connected between a first fixed ring 221 and a second fixed ring 223. A second driving motor 27 that is transmission-connected to the threaded rod 26 and can drive the threaded rod 26 to rotate is also provided on the upper side of the second fixed ring 223. The threaded rod 26 is arranged through a scanning ring 251 and is spirally connected to the scanning ring 251. The second driving motor 27 can drive the threaded rod 26 to rotate and further drive the scanning frame 25 to rise and fall vertically. To ensure the stability of the vertical rise and fall of the scanning frame 25, the vertical rod 222 and the threaded rod 26 each include at least two relatively arranged ones.

[0059] On the basis of the above structure, the inspection and scanning device also includes a sealing cylinder (not shown) which is coaxial with the vertical cylinder 12 and sleeved on the outside of the inspection and scanning system 2. The upper outer ring of the vertical cylinder 12 is provided with an air hole 121. By opening a through hole in the granary to be inspected and arranging a stop net in the through hole that only allows pests to pass through, the pests inside the granary can be lured to the vertical cylinder 12 outside the granary through the circumferentially arranged insect attracting lights 253, and the inner wall of the vertical cylinder 12 can be completely protected by the circumferentially arranged cameras 254 and the cooperation with the first driving engine 23 and the second driving engine 27. The inspection and detection of pests in blind spots can complete the monitoring of nitrogen concentration and temperature inside the sealing cylinder (equivalent to the inside of the granary) through the nitrogen sensor and temperature sensor 255, and finally realize the overall monitoring of the grain storage environment of the granary. The inspection and scanning device is located outside the granary to be inspected. When damage or failure occurs, it can better complete the replacement and maintenance work, and the circumferentially arranged camera 254 can be used to detect whether there are pests in the granary. When the diameter of the granary is large, it can still complete the insect attraction and pest monitoring work more comprehensively, and finally ensure the accuracy of the granary environmental information monitoring.

[0060] As a preferred embodiment, the plurality of insect attracting lamps 253 and cameras 254 are respectively arranged in a circular array at the upper and lower parts of the scanning tube 252, and the vertical projections of the plurality of insect attracting lamps 253 and cameras 254 are staggered, so as to ensure the insect attracting effect of the insect attracting lamps 253 while preventing the influence of the illumination of the insect attracting lamps 253 on the image information collected by the camera 254, thereby ensuring the accuracy of pest information monitoring.

[0061] As a further preferred embodiment, in order to avoid the influence of the illumination of the insect attractant lamp 253 on the image information collected by the camera 254, and to enable the camera 254 to clearly complete the image information collection work with the help of the light of the insect attractant lamp 253, the vertical height difference between the horizontal plane where the insect attractant lamp 253 and the camera 254 are located is 7-15cm.

[0062] In this embodiment, combined with Figure 2In order to further ensure that the pests inside the granary can be effectively lured to the outside of the granary and complete the monitoring of pest information, the middle cylinder 1 also includes an annular isolation net 13 coaxially arranged inside the upper end of the vertical cylinder 12. The isolation net 13 is configured to prevent pests from passing through, and its outer ring cooperates with the inner ring of the vertical cylinder 12, and the inner ring cooperates with the outer ring of the granary to be inspected, and an insect attractant sprayer 14 is provided on its upper side.

[0063] As a preferred embodiment, in order to ensure the uniformity of insect attractant spraying and thus the insect attractant effect, there are multiple insect attractant sprayers 14 arranged in a circular array around the isolation net 13.

[0064] In this embodiment, in order to ensure that the inspection and scanning device can operate automatically, it also includes a control system. The first driving motor 23, the second driving motor 27, the insect attractant lamp 253, the camera 254, the insect attractant sprayer 14, the nitrogen sensor and the temperature sensor 255 are all communicatively connected to the control system and can be controlled by the control system.

[0065] On the basis of the above-mentioned general structure, this embodiment also provides an inspection method, which is based on the above-mentioned inspection scanning device and is used for the inspection of the grain storage environment of a granary. Here, a through hole is opened on the granary to be inspected, and a stop net is provided in the through hole to allow only pests to pass through.

[0066] The inspection method specifically includes the following steps:

[0067] S1, starting device;

[0068] Start the inspection scanning device through the control system;

[0069] S2, reset;

[0070] The second driving machine 27 is actuated to drive the scanning frame 25 to move downward to the lower end of the rotating frame 22;

[0071] S3, insect trap;

[0072] A plurality of insect attracting lamps 253 are turned on, and the second driving machine 27 drives the scanning frame 25 to move up and down at a uniform speed for a first preset number of times, and then drives the scanning frame 25 to return to the lower end of the rotating frame 22, and at the same time, the insect attractant sprayer 14 works for a second preset number of times at a preset time interval;

[0073] To ensure the insect attracting effect, the preset time interval is 3-7 minutes, preferably 5 minutes, the first preset number of times is at least five times, preferably ten times, and the second preset number of times is at least three times, preferably seven times;

[0074] S4, inspection;

[0075] The total travel of the scanning frame 25 is evenly divided into three inspection areas. The scanning frame 25 drives the camera 254, the temperature sensor 255 and the nitrogen sensor to complete the environmental inspection work of the three inspection areas from bottom to top in sequence, and the specific inspection steps corresponding to each inspection area are:

[0076] S4.1, the camera 254 and the temperature sensor 255 work to collect environmental information of the inspection area, wherein the environmental information includes image information and temperature information;

[0077] S4.2, the second driving motor 27 is actuated to drive the scanning frame 25 to move up a preset distance, and at the same time the first driving motor 23 is actuated to drive the rotating frame 22 to rotate at a preset angle;

[0078] The preset distance is preferably 10-20 cm. To ensure that the action of the second driving machine 27 can be more conveniently controlled and that the environmental information collection can be more comprehensive, the total height of the inspection area is an integer multiple of the preset distance and an even multiple. At the same time, the value of the preset angle is the ratio of 180 to the total number of cameras 254.

[0079] S4.3, the camera 254 and the temperature sensor 255 work to obtain the environmental information of the inspection area again;

[0080] S4.4, the second driving motor 27 is actuated to drive the scanning frame 25 to move up a preset distance, and at the same time the first driving motor 23 is actuated to drive the rotating frame 22 to rotate in the opposite direction by a preset angle;

[0081] S4.5, the camera 254 and the temperature sensor 255 work to obtain the environmental information of the inspection area again;

[0082] S4.6, repeating steps S4.2-S4.5 to obtain several sets of environmental information of the inspection area, and when the scanning frame 25 moves to the middle position of the inspection area, the nitrogen sensor works to obtain the nitrogen concentration information of the inspection area;

[0083] S5, information processing;

[0084] The control system constructs an environmental information image model based on the received environmental information.

[0085] The collection of granary environmental information through the above-mentioned inspection method, with the cooperation of the first driving engine 23 and the second driving engine 27, can completely obtain the image information of the outer periphery of the vertical cylinder 12 through the camera 254, as well as several groups of temperature environmental information from bottom to top, and three groups of nitrogen concentration information corresponding to the three inspection areas, so that the staff can grasp the overall environment of the granary storage more accurately according to the inspection results, effectively ensuring the accuracy of the monitoring results.

[0086] In the inspection method described above, in step S5, the environmental information image model includes a three-dimensional granary model pre-stored in the control system and having the same proportions as the granary to be inspected. The specific steps of step S5 are:

[0087] S5.1. The control system determines whether there are pests based on the image information in the received environmental information, and marks the locations where the pests exist on the three-dimensional granary model;

[0088] S5.2, the control system constructs a temperature curve graph based on the temperature information in the received environmental information, with the depth of the granary as the vertical axis and the temperature value as the horizontal axis;

[0089] S5.3. The control system constructs a nitrogen concentration curve graph based on the nitrogen concentration information received from the three inspection areas, with the depth of the granary as the vertical axis and the nitrogen concentration value as the horizontal axis.

Claims

1. An external grain storage environment inspection and scanning device, characterized in that: It comprises a central tube (1) and an external inspection and scanning system (2); The central tube (1) comprises a bottom plate (11) and a transparent vertical tube (12) vertically arranged on the upper side of the middle portion thereof, and an air hole (121) is provided on the outer ring of the upper end of the vertical tube (12); The inspection and scanning system (2) comprises an annular chassis (21) coaxially sleeved on the outer ring of the vertical cylinder (12) and fixed on the upper side of the bottom plate (11), and a rotating frame (22) rotatably arranged on the chassis (21); The rotating frame (22) comprises a first fixing ring (221) coaxially sleeved on the outer ring of the vertical cylinder (12) and rotatably arranged on the chassis (21); a plurality of vertical rods (222) circumferentially arranged around the first fixing ring (221) are vertically arranged on the upper side of the first fixing ring (221); the upper ends of the plurality of vertical rods (222) are connected to a second fixing ring (223) coaxially sleeved on the outer ring of the vertical cylinder (12); and a first driving machine (23) is further provided on the chassis (21), which is transmission-connected to the first fixing ring (221) and can drive the first fixing ring (221) to rotate, thereby driving the rotating frame (22) to rotate; The inspection and scanning system (2) further comprises a scanning frame (25), wherein the scanning frame (25) comprises a scanning ring (251) coaxially sleeved on the outer ring of the vertical cylinder (12) and vertically slidably connected to the vertical pole (222), wherein the inner ring of the scanning ring (251) is provided with a cylindrical scanning cylinder (252), and the inner circumferential array of the scanning cylinder (252) has a plurality of insect attracting lamps (253) and cameras (254); The inspection and scanning system (2) further comprises a nitrogen sensor and a temperature sensor (255) arranged on the scanning frame (25); The inspection scanning system (2) further comprises a scanning drive mechanism, the scanning drive mechanism comprising a threaded rod (26) vertically and rotatably connected between a first fixing ring (221) and a second fixing ring (223), a second driving machine (27) being transmission-connected to the threaded rod (26) and capable of driving the threaded rod (26) to rotate is also provided on the upper side of the second fixing ring (223), the threaded rod (26) being arranged to pass through the scanning ring (251) and being spirally connected to the scanning ring (251).

2. The external grain storage environment inspection scanning device according to claim 1 is characterized in that: The middle cylinder (1) further comprises an annular isolation net (13) coaxially arranged inside the upper end of the vertical cylinder (12), and an insect attractant sprayer (14) is arranged on the isolation net (13).

3. The external grain storage environment inspection scanning device according to claim 2 is characterized in that: The plurality of insect attracting lights (253) and cameras (254) are arranged in a circular array at the upper and lower parts of the scanning tube (252), and the vertical projections of the plurality of insect attracting lights (253) and cameras (254) are staggered.

4. The external grain storage environment inspection scanning device according to claim 3 is characterized in that: The vertical height difference between the horizontal planes where the insect attractant lamp (253) and the camera (254) are located is 7-15 cm.

5. The external grain storage environment inspection scanning device according to claim 3 is characterized in that: The insect attractant lamp (253) is an arc-shaped belt-shaped structure.

6. The external grain storage environment inspection scanning device according to claim 2 is characterized in that: The chassis (21) and the bottom plate (11) are rotatably and clamped together via a clamping structure.

7. An external grain storage environment inspection and scanning device according to any one of claims 2 to 6, characterized in that: It also includes a control system, wherein the first driving engine (23), the second driving engine (27), the insect attractant lamp (253), the camera (254), the insect attractant sprayer (14), the nitrogen sensor and the temperature sensor (255) are all communicatively connected to the control system and can be controlled and operated by the control system.

8. An inspection method, based on the external grain storage environment inspection scanning device of claim 7, used for inspection of grain storage environment of grain storage, characterized in that: The inspection and scanning device also includes a sealing cylinder coaxial with the vertical cylinder (12) and sleeved on the outside of the inspection and scanning system (2); a through hole is opened on the grain bin to be inspected, and a stopper net is provided in the through hole so as to allow only pests to pass through; The inspection method specifically includes the following steps: S1, starting device; S2, reset; The second driving machine (27) drives the scanning frame (25) to move downward to the lower end of the rotating frame (22); S3, insect trap; A plurality of insect attracting lamps (253) are turned on, and a second driving machine (27) drives the scanning frame (25) to move up and down and back and forth at a uniform speed for a first preset number of times, while the insect attractant sprayer (14) operates for a second preset number of times at a preset time interval; S4, inspection; The total travel of the scanning frame (25) is evenly divided into three inspection areas, and the scanning frame (255) drives the camera (254), the temperature sensor (255) and the nitrogen sensor to sequentially complete the environmental inspection work of the three inspection areas from bottom to top; The specific inspection steps for each inspection area are as follows: S4.1, the camera (254) and the temperature sensor (255) work to collect environmental information of the inspection area, wherein the environmental information includes image information and temperature information; S4.2, the second driving motor (27) is activated to drive the scanning frame (25) to move upward by a preset distance, and at the same time, the first driving motor (23) is activated to drive the rotating frame (22) to rotate by a preset angle; S4.3, the camera (254) and the temperature sensor (255) work to obtain the environmental information of the inspection area again; S4.4, the second driving motor (27) is activated to drive the scanning frame (25) to move upward by a preset distance, and at the same time, the first driving motor (23) is activated to drive the rotating frame (22) to rotate in the opposite direction by a preset angle; S4.5, the camera (254) and the temperature sensor (255) work to obtain the environmental information of the inspection area again; S4.6, repeating steps S4.2-S4.5 to obtain several sets of environmental information of the inspection area, and when the scanning frame (25) moves to the middle position of the inspection area, the nitrogen sensor works to obtain nitrogen concentration information of the inspection area; S5. Information processing; The control system constructs an environmental information image model based on the received environmental information.

9. A patrol inspection method according to claim 8, characterized in that: In step S5, the environmental information image model includes a three-dimensional granary model pre-stored in the control system and having the same proportions as the granary to be inspected; The specific steps are: S5.

1. The control system determines whether there are pests based on the image information in the received environmental information, and marks the locations where the pests exist on the three-dimensional granary model; S5.2, the control system constructs a temperature curve graph based on the temperature information in the received environmental information, with the depth of the granary as the vertical axis and the temperature value as the horizontal axis; S5.

3. The control system constructs a nitrogen concentration curve graph based on the nitrogen concentration information received from the three inspection areas, with the depth of the granary as the vertical axis and the nitrogen concentration value as the horizontal axis.

10. The inspection method according to claim 8, characterized in that: In step S4, the value of the preset angle is the ratio of 180 to the total number of cameras (254).

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