CN211607972U - Crop disease and pest supervision device based on machine vision - Google Patents
Crop disease and pest supervision device based on machine vision Download PDFInfo
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- CN211607972U CN211607972U CN202020191600.1U CN202020191600U CN211607972U CN 211607972 U CN211607972 U CN 211607972U CN 202020191600 U CN202020191600 U CN 202020191600U CN 211607972 U CN211607972 U CN 211607972U
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- box
- box body
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- wax
- pest
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- 241000607479 Yersinia pestis Species 0.000 title claims abstract description 60
- 201000010099 disease Diseases 0.000 title claims abstract description 45
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 45
- 241000238631 Hexapoda Species 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims description 80
- 230000007246 mechanism Effects 0.000 claims description 58
- 239000007788 liquid Substances 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 27
- 238000004018 waxing Methods 0.000 claims description 21
- 244000038559 crop plants Species 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000011835 investigation Methods 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract 1
- 241000409991 Mythimna separata Species 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000005667 attractant Substances 0.000 description 4
- 230000031902 chemoattractant activity Effects 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000000447 pesticide residue Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a crops plant diseases and insect pests supervision device based on machine vision, this application passes through image collector real-time collection field plant diseases and insect pests image to reach monitoring server with these plant diseases and insect pests images in real time, replaced artifical investigation link, it is ageing strong, real-time high-efficient, improved the supervision dynamics of plant diseases and insect pests, can greatly reduce forecast personnel's work load and intensity of labour, and can show and improve the forecast rate of accuracy, the emergence law of more scientific analytical research plant diseases and insect pests.
Description
Technical Field
The utility model relates to agricultural technical field especially involves a crop plant diseases and insect pests supervision device based on machine vision.
Background
In the agricultural disease and pest monitoring or prevention work, the pesticide application time and the pesticide application amount are scientifically counted by monitoring the occurrence period and the occurrence amount of the disease and pest, so that the pollution of excessive pesticide residue liquid to the environment is avoided, and the cost is saved. In the prior art, monitoring the occurrence period and the occurrence amount of pests and diseases usually requires a specially-assigned person to count the number of trapped insects in a certain time on site. However, the timeliness of the information may be affected by external environmental factors, such as severe weather conditions, or temporary presence of a responsible person who does not arrive at the site in time to count the data. However, if the disease and pest happen to be the most serious condition, the analysis result is influenced, so that the crops are not applied in time, the optimal application time is missed, and a certain degree of loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a crop plant diseases and insect pests supervision device based on machine vision.
The utility model discloses a realize through following technical scheme:
the utility model provides a crop plant diseases and insect pests supervision device based on machine vision, this crop plant diseases and insect pests supervision device based on machine vision includes: the conveying belt is arranged in the box body, the left side and the right side of the bottom in the box body are respectively provided with a baffle, the two baffles are both positioned below the conveying belt, and the front side and the rear side of the box body are respectively provided with an inlet at the position between the two baffles;
the bottom in the box body is provided with a waxing mechanism for coating a wax coating on the lower surface of the conveyor belt, the bottom in the box body is provided with a gluing mechanism for coating a pest-sticking glue layer on the part of the lower surface of the conveyor belt coated with the wax coating, and the waxing mechanism and the gluing mechanism are positioned on the left side of the left baffle and are sequentially arranged from left to right;
a scraping plate for scraping off the wax fat layer and the pest-sticking glue layer on the surface of the conveyor belt is arranged on the right side in the box body, a collecting box for collecting the wax fat layer and the pest-sticking glue layer scraped off by the scraping plate is arranged at the bottom of the box body, and the collecting box is positioned on the right side of the right baffle;
the bottom of the box body is provided with an image collector for collecting images of the part of the lower surface of the conveying belt coated with the waxed grease layer and the pest-sticking glue layer, the box body is further provided with a driving mechanism for driving the conveying belt to reversely convey, a control mechanism is arranged inside the box body, and the control mechanism is respectively connected with the image collector and the driving mechanism.
Preferably, the bottom of the box body is also provided with a stand column used for fixing the box body in the field.
Preferably, the waxing mechanism comprises a wax liquid box and a waxing roller which is rotationally connected with the wax liquid box; the lower portion of the wax coating roller is soaked in the wax liquid box, and the upper portion of the wax coating roller is exposed out of the wax liquid box and is in friction contact with the lower surface of the conveying belt.
Preferably, the glue spreading mechanism comprises a glue solution box and a glue spreading roller which is rotationally connected with the glue solution box; the lower portion of the glue spreader is soaked in the glue box, and the upper portion of the glue spreader is exposed out of the glue box and in frictional contact with the lower surface of the conveyor belt.
Preferably, the scraper is wedge-shaped, and a wedge-shaped tip of the scraper extends obliquely to the lower left and is tangent to the right side surface of the conveyor belt.
Preferably, the upper end of the collecting box is opened and communicated with the bottom of the box body.
Preferably, the image collector is further connected to the monitoring server, and a protective shell used for covering the image collector is arranged at the bottom of the box body.
Preferably, the driving mechanism comprises a driving wheel and a driven wheel which are positioned in the box body, and the driving wheel and the driven wheel are respectively and rotatably connected with the front side and the rear side of the box body; the box body is characterized by further comprising a driving motor arranged outside the front side or the rear side of the box body, and a driving shaft of the driving motor is coaxially and fixedly connected with the driving wheel.
Preferably, the control mechanism is a single chip timing controller connected with the driving motor.
In the embodiment, the field pest and disease images are collected in real time through the image collector and are uploaded to the monitoring server in real time, the manual investigation link is replaced, the timeliness is high, the real-time performance and the high efficiency are realized, the pest and disease supervision strength is improved, the workload and the labor intensity of testers and reporters can be greatly reduced, the pest and disease prediction accuracy can be remarkably improved, and the occurrence rule of the pest and disease can be analyzed and researched more scientifically.
Drawings
Fig. 1 is a schematic structural diagram of a crop disease and pest monitoring device based on machine vision provided by the embodiment of the utility model;
fig. 2 is a cross-sectional view of a crop disease and pest monitoring device based on machine vision provided by the embodiment of the utility model;
fig. 3 is a schematic structural diagram of a waxing mechanism provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of a glue spreading mechanism provided by the embodiment of the present invention;
fig. 5 is a control principle connection block diagram of the crop disease and pest supervision device based on machine vision provided by the embodiment of the utility model.
In the figure: 1-a box body; 2-a conveyor belt; 3-a baffle plate; 4-an inlet; 5-a scraper 5; 6-a collection box; 7-a waxing mechanism; 71-wax liquid box; 72-wax roller; 8-a gluing mechanism; 81-glue box; 82-a glue spreader; 9-a drive mechanism; 91-driving a motor; 92-a drive wheel; 93-a driven wheel; 10-an image collector; 11-a control mechanism; 12-a column; 13-a protective shell; 14-a rain shield; 15-monitoring server.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For convenient understanding the utility model provides a because machine vision's crop plant diseases and insect pests supervision device, the application scene based on machine vision's that this application embodiment provided is explained at first, and the crop plant diseases and insect pests supervision device based on machine vision that this application embodiment provided is used for supervising the emergence period and the emergence volume of crop plant diseases and insect pests to the time and the dose of giving medicine to the statistics of science are avoided the pollution that excessive pesticide residue liquid caused the environment, and the cost has also been saved.
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a crop disease and pest monitoring device based on machine vision according to an embodiment of the present invention.
As shown in figure 1, the crop disease and pest supervision device based on machine vision comprises a transparent box body 1, four upright columns 12 are arranged at the bottom of the box body 1, the four upright columns 12 are respectively and fixedly connected and arranged at four corners of the bottom of the box body 1, and the upright columns 12 are partially buried in the ground of a field and used for fixing the box body 1 in the field. In order to ensure the stability of the box body 1 when being fixed, barbs can be arranged on each upright post 12.
In addition, the front side and the rear side of the box body 1 are respectively provided with an inlet 4, and the inlets 4 are convenient for field pests to enter the box body 1. In order to prevent rainwater from entering the interior of the box body 1 in rainy days, a rain baffle 14 which inclines downwards is fixedly connected to the upper edge of each inlet 4.
Please refer to fig. 2, fig. 2 is a cross-sectional view of a crop disease and pest monitoring device based on machine vision provided by the embodiment of the present invention.
As shown in fig. 2, a conveyor belt 2 is arranged inside the box body 1, baffles 3 are respectively arranged on the left side and the right side of the bottom in the box body 1, the two baffles 3 are both positioned below the conveyor belt 2, and the two baffles 3 are fixedly connected to the bottom in the box body 1 vertically. The inlets 4 at the front side and the rear side of the box body 1 are positioned between the two baffle plates 3.
With continued reference to fig. 2, the bottom in the box 1 of the present application is provided with a waxing mechanism 7 for coating the lower surface of the conveyor belt 2 with a waxed grease layer, the bottom in the box 1 is provided with a gluing mechanism 8 for coating the lower surface of the conveyor belt 2 with a sticky layer, and the waxing mechanism 7 and the gluing mechanism 8 are both located on the left side of the left baffle 3 and are sequentially arranged from left to right.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a waxing mechanism according to an embodiment of the present invention. As shown in fig. 3, the waxing mechanism 7 includes a wax liquid box 71, and a waxing roller 72 rotatably connected to the wax liquid box 71. The bottom of the wax liquid box 71 is fixedly connected to the bottom in the box body 1, liquid wax is contained in the wax liquid box 71, first shafts are fixedly connected to two ends of the wax coating roller 72 respectively, and the first shafts at two ends of the wax coating roller 72 are rotatably connected with the front side and the rear side of the wax liquid box 71 through first bearings. The lower portion of the wax coating roller 72 is soaked in the wax liquid box 71, specifically, the lower portion of the wax coating roller 72 is soaked in liquid wax contained in the wax liquid box 71, the upper portion of the wax coating roller 72 is exposed out of the wax liquid box 71 and is in friction contact with the lower surface of the conveyor belt 2, specifically, a first open slot is formed in the top of the wax liquid box 71, and the upper portion of the wax coating roller 72 is exposed out of the top of the wax liquid box 71 through the first open slot.
Please refer to fig. 4, fig. 4 is a schematic structural diagram of a glue spreading mechanism according to an embodiment of the present invention. As shown in fig. 4, the glue applying mechanism 8 includes a glue cartridge 81, and a glue applying roller 82 rotatably connected to the glue cartridge 81. The bottom of the glue solution box 81 is fixedly connected to the bottom in the box body 1, liquid glue is contained in the glue solution box 81, a pest attractant for attracting pests is uniformly added into the liquid glue, and the liquid glue forms a pest sticking glue layer for sticking the pests when being coated on the surfaces of other objects. Two ends of the glue spreader 82 are respectively and fixedly connected with second shafts, and the second shafts at the two ends of the glue spreader 82 are respectively and rotatably connected with the front side and the rear side of the glue solution box 81 through second bearings. The lower portion of the glue spreader 82 is soaked in the glue solution box 81, the lower portion of the glue spreader 82 is specifically soaked in liquid glue contained in the glue solution box 81, the upper portion of the glue spreader 82 is exposed outside the glue solution box 81 and is in friction contact with the lower surface of the conveyor belt 2, a second open slot is specifically arranged at the top of the glue solution box 81, and the upper portion of the glue spreader 82 is exposed outside the top of the glue solution box 81 through the second open slot.
It should be noted that the wax liquid box 71 and the glue liquid box 81 are both box structures for containing liquid wax and liquid glue in the prior art, and a filling opening is formed in the box body and can be specifically sealed through a rubber plug.
In this embodiment, the box 1 is further provided with a driving mechanism 9 for driving the conveyor belt 2 to reversely convey. Referring to fig. 1 and 2 together, the driving mechanism 9 includes a driving wheel 92 and a driven wheel 93 located inside the box body 1, and the driving wheel 92 and the driven wheel 93 are respectively connected with the front side and the rear side of the box body 1 in a rotating manner; the driving mechanism 9 further comprises a driving motor 91 arranged outside the front side or the rear side of the box body 1, and a driving shaft of the driving motor 91 is coaxially and fixedly connected with the driving wheel 92. The driving motor 91 is a waterproof servo motor, and the driving motor 91 is fixedly installed on the outer wall of the front side of the box body 1 and used for driving the driving wheel 92 to rotate reversely.
In the embodiment, the driving mechanism 9 drives the conveyor belt 2 to reversely convey, when the conveyor belt 2 reversely conveys, the lower surface of the conveyor belt 2 sequentially passes through the positions of the waxing mechanism 7 and the glue coating mechanism 8, when the lower surface of the conveyor belt 2 passes through the position of the waxing mechanism 7, because the lower surface of the conveyor belt 2 is in frictional contact with the waxing roller 72 of the waxing mechanism 7, the waxing roller 72 is rotated under the conveying action of the conveyor belt 2, the liquid wax in the wax liquid box 71 is adsorbed on the surface of the waxing roller 72, and when the waxing roller 72 rotates, a layer of wax liquid layer is uniformly coated on the lower surface of the conveyor belt 2, the part of the lower surface of the conveyor belt 2 coated with the wax liquid layer is conveyed to the position of the glue coating mechanism 8 along with the conveyor belt 2, because the lower surface of the conveyor belt 2 is in frictional contact with the glue coating roller 82 of the glue coating mechanism 8, the glue coating roller 82 rotates, so that the glue liquid glue in, when the glue spreader 82 rotates, the surface of the lower surface of the conveyor belt 2 coated with the wax layer is uniformly coated with a layer of pest sticking glue layer, and the liquid glue of the pest sticking glue layer is added with a pest attractant, so that pests in fields can be attracted to enter the box body 1 from the inlets 4 at the front side and the rear side of the box body 1, and finally the pests are stuck on the pest sticking glue layer on the lower surface of the conveyor belt 2.
Continuing to refer to fig. 2, an image collector 10 for collecting images of the part of the lower surface of the conveyor belt 2 coated with the wax coat and the pest-sticking glue layer is fixedly connected to the bottom of the outer side of the box body 1, the image collector 10 is an infrared camera, and a protective shell 13 for covering the image collector 10 is fixedly connected to the bottom of the outer side of the box body 1. In addition, a control mechanism 11 is arranged inside the box body 1, and the control mechanism 11 is specifically installed at the top end of the left side inside the box body 1.
Please refer to fig. 5, fig. 5 is a connection block diagram of the control principle of the crop disease and pest monitoring device based on machine vision according to the embodiment of the present invention. As shown in fig. 5, the control mechanism 11 is connected to the image collector 10 and the driving mechanism 9, the control mechanism 11 is a single-chip timing controller, and is specifically connected to the driving motor 91, the image collector 10 is further connected to the monitoring server 15, and the image collector 10 and the monitoring server 15 are wirelessly connected through a WIFI module.
In this embodiment, image collector 10 gathers the image information that conveyer belt 2 lower surface coating has wax lipid layer and mythimna separata glue film part in real time and sends to monitoring server 15, and monitoring server 15 sets up in the monitor for carry out the analysis to the image information that image collector 10 sent, the plant diseases and insect pests record information that contains in the image information that gathers, early warning plant diseases and insect pests emergence trend.
Based on the design, the field disease and insect pest images are collected in real time through the image collector 10 and are uploaded to the monitoring server 15 in real time, the manual investigation link is replaced, timeliness is high, real-time efficiency is high, the disease and insect pest monitoring strength is improved, the workload and labor intensity of the testers and reporters can be greatly reduced, the disease and insect pest monitoring accuracy can be remarkably improved, and the occurrence rule of the disease and insect pest can be analyzed and researched more scientifically.
The control mechanism 11 is a single-chip timing controller, the control mechanism 11 is respectively connected to the image collector 10 and the driving motor 91, and when the device is used, the control period of the control mechanism 11 can be set to 24 hours, that is, the driving motor 91 is controlled to start every 24 hours (that is, every day and night) by the control mechanism 11, so that the driving motor 91 drives the conveyor belt 2 to reversely convey.
In this embodiment, in order to realize at conveyer belt 2 repeated coating wax fat layer and mythimna separata glue film, be provided with the scraper blade 5 that is used for scraping the wax fat layer and the mythimna separata glue film on conveyer belt 2 surface on the inside right side of box 1, scraper blade 5 is the wedge, and the wedge tip of scraper blade 5 left side below slope extend and tangent with the right side surface of conveyer belt 2, can be when conveyer belt 2 reverse conveying with the wax fat layer and the mythimna separata glue film scraping of conveyer belt 2 lower surface (owing to coated the wax fat layer earlier on conveyer belt 2 lower surface, consequently be convenient for together scrape the wax fat layer and the mythimna separata glue film). For realizing collecting wax fat layer and the mythimna separata glue film scraped off by scraper blade 5, be provided with collecting box 6 in 1 outside bottom fixed connection of box, collecting box 6 is located the right side of right side baffle 3, and 6 upper end openings of collecting box and with 1 bottom intercommunication of box for collect wax fat layer and the mythimna separata glue film that scraper blade 5 scraped off.
Through the above setting, image collector 10 gathers the image information that 2 lower surfaces of conveyer belt coated with wax fat layer and mythimna separata glue film position in real time, field pest is attracted by the attractant that contains in the mythimna separata glue film and gets into in box 1 through import 4 on the box 1, and can glue on the mythimna separata glue film under attracting of attractant in the mythimna separata glue film, the image information that image collector 10 gathered contains the pest that glues on the mythimna separata glue film, upload to monitoring server 15 in real time, monitoring server 15 analyzes the image information that image collector 10 sent, the plant diseases and insect pests record information that contains in the image information gathers, the trend takes place for the early. And this application is through control mechanism 11 according to setting for length timing control driving motor 91 start to make 2 periodic reverse conveying of conveyer belt, in order to realize carrying out the early warning to the pest and disease emergence condition in every day of field even every period, and be convenient for form the periodic trend picture of pest and disease emergence condition on the computer, be convenient for take corresponding prevention and cure measure.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a crop plant diseases and insect pests supervision device based on machine vision which characterized in that includes: the conveying belt is arranged in the box body, the left side and the right side of the bottom in the box body are respectively provided with a baffle, the two baffles are both positioned below the conveying belt, and the front side and the rear side of the box body are respectively provided with an inlet at the position between the two baffles;
the bottom in the box body is provided with a waxing mechanism for coating a wax coating on the lower surface of the conveyor belt, the bottom in the box body is provided with a gluing mechanism for coating a pest-sticking glue layer on the part of the lower surface of the conveyor belt coated with the wax coating, and the waxing mechanism and the gluing mechanism are positioned on the left side of the left baffle and are sequentially arranged from left to right;
a scraping plate for scraping off the wax fat layer and the pest-sticking glue layer on the surface of the conveyor belt is arranged on the right side in the box body, a collecting box for collecting the wax fat layer and the pest-sticking glue layer scraped off by the scraping plate is arranged at the bottom of the box body, and the collecting box is positioned on the right side of the right baffle;
the bottom of the box body is provided with an image collector for collecting images of the part of the lower surface of the conveying belt coated with the waxed grease layer and the pest-sticking glue layer, the box body is further provided with a driving mechanism for driving the conveying belt to reversely convey, a control mechanism is arranged inside the box body, and the control mechanism is respectively connected with the image collector and the driving mechanism.
2. A machine vision based crop pest and disease supervision device according to claim 1 in which the base of the box is also provided with a post for securing the box in the field.
3. A machine vision based crop pest and disease supervision device according to claim 1 in which the waxing mechanism includes a wax fluid box, a wax roller rotatably connected to the wax fluid box; the lower portion of the wax coating roller is soaked in the wax liquid box, and the upper portion of the wax coating roller is exposed out of the wax liquid box and is in friction contact with the lower surface of the conveying belt.
4. A machine vision based crop pest and disease supervision device according to claim 1 in which the glue application mechanism comprises a glue solution box, a glue application roller rotatably connected to the glue solution box; the lower portion of the glue spreader is soaked in the glue box, and the upper portion of the glue spreader is exposed out of the glue box and in frictional contact with the lower surface of the conveyor belt.
5. A machine vision based crop pest supervision device according to claim 1 in which the scrapers are wedge shaped with their wedge shaped tips extending obliquely to the lower left and tangent to the right side surface of the conveyor belt.
6. A machine vision based crop pest supervision device according to claim 1 in which the collection bin is open at its upper end and communicates with the bottom of the bin.
7. A machine vision based crop pest and disease supervision device according to claim 1 in which the image collector is also connected to a monitoring server and the bottom of the box is provided with a protective shell for covering the image collector.
8. A machine vision based crop pest and disease monitoring device as claimed in claim 1, wherein the driving mechanism includes a driving wheel and a driven wheel located inside the box body, the driving wheel and the driven wheel are respectively connected with the front side and the rear side of the box body in a rotating manner; the box body is characterized by further comprising a driving motor arranged outside the front side or the rear side of the box body, and a driving shaft of the driving motor is coaxially and fixedly connected with the driving wheel.
9. A machine vision based crop pest and disease supervision device according to claim 8 in which the control mechanism is a single chip timing controller connected to the drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191600.1U CN211607972U (en) | 2020-02-20 | 2020-02-20 | Crop disease and pest supervision device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191600.1U CN211607972U (en) | 2020-02-20 | 2020-02-20 | Crop disease and pest supervision device based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN211607972U true CN211607972U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020191600.1U Expired - Fee Related CN211607972U (en) | 2020-02-20 | 2020-02-20 | Crop disease and pest supervision device based on machine vision |
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| Country | Link |
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| CN (1) | CN211607972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794048A (en) * | 2022-06-15 | 2022-07-29 | 王静 | Pest monitoring device of usefulness is planted in gardens and forestry |
-
2020
- 2020-02-20 CN CN202020191600.1U patent/CN211607972U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794048A (en) * | 2022-06-15 | 2022-07-29 | 王静 | Pest monitoring device of usefulness is planted in gardens and forestry |
| CN114794048B (en) * | 2022-06-15 | 2024-01-30 | 王静 | Pest monitoring device that gardens and forestry were planted and are used |
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Granted publication date: 20201002 |