CN210198437U - Rape transplanting field operation quality on-line monitoring system - Google Patents
Rape transplanting field operation quality on-line monitoring system Download PDFInfo
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- CN210198437U CN210198437U CN201921229449.XU CN201921229449U CN210198437U CN 210198437 U CN210198437 U CN 210198437U CN 201921229449 U CN201921229449 U CN 201921229449U CN 210198437 U CN210198437 U CN 210198437U
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Abstract
The utility model provides an online monitoring system for rape transplanting field operation quality, which comprises a transplanting device, a profiling mechanism arranged behind the transplanting device and a transplanting monitoring system, wherein the transplanting monitoring system comprises a distance sensor connected to the side surface of a rear baffle of the transplanting device, an adjustable bracket positioned on a crossbeam at the tail part of the transplanting device and an outer box body fixedly arranged on the adjustable bracket; a camera, an industrial personal computer and a calibration sensor are arranged in the outer box body; the distance sensor is used for monitoring the horizontal distance between a connecting rod in the profiling mechanism and the side face of the baffle; the calibration sensor is used for measuring the height of the industrial camera from the ground. The utility model provides a rape transplanting operation quality monitoring problem, can realize monitoring operation automation according to the machines operation state.
Description
Technical Field
The utility model relates to a field operation quality on-line monitoring system is transplanted to rape, more specifically the rape transplantation operation quality real-time monitoring system and device based on image acquisition handles that says so. Is particularly suitable for the real-time on-line monitoring of the rape transplanting operation quality under the field operation condition, and belongs to the field of farmland management equipment.
Background
The winter rape planting field in China is mainly in the middle and lower reaches plains of Yangtze river, rice is mainly planted before winter rape planting, a rice-rape or rice-rape rotation mode is usually adopted, and due to the fact that harvesting and planting time is short, the rape growth cycle is insufficient due to the direct seeding mode, the middle and lower reaches plains of Yangtze river are mostly carried out in a transplanting mode, the turnover time can be shortened due to the rape transplanting mode, reasonable rotation is guaranteed, and the method has important significance for achieving stable yield and high yield. In the current rape transplanter, the operation quality monitoring is lacked, the continuous observation is needed manually, the improvement of the operation efficiency of the machine tool is influenced, the labor intensity of manpower is increased, and the operation quality cannot be guaranteed. Therefore, the rape transplanting operation quality real-time monitoring has important significance.
At present, the quality monitoring patent mainly aiming at rice transplanting is disclosed, and because the paddy field operation error is small, the influence of image calibration on a calculation result is not considered. However, in the rape transplanting process in the field, the rape planting density is high, the flatness of the dry land is poor, the calculation is greatly influenced by the uneven field height in the quality monitoring process, real-time recording and statistics cannot be carried out according to the operation working conditions of machines and tools in the actual operation process, and the planting distance and the planting number are influenced by the uneven field height in the transplanting process. Under the influence of the factors, the planting distance calculation error is larger by using the image processing method without calibration, and the statistical precision of the planting quality is influenced.
The quality monitoring of rape transplanting at the present stage basically mainly judges whether seedlings exist or not before planting and taking the seedlings, and does not relate to the problem of on-line monitoring of operation quality during field operation. Due to the difference of actual field operation conditions, the post-planting monitoring system of other crops cannot be directly applied to rape transplanting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rape transplanting field operation quality on-line monitoring system that the reliability is strong, the calibration accuracy is high to the not enough of prior art existence.
In order to achieve the above purpose, the present invention is realized by the following technical solution: rape is transplanted field operation quality on-line monitoring system, including transplanting device and install in the profiling mechanism of transplanting device rear, its characterized in that: the transplanting monitoring system comprises a distance sensor connected to the side face of a rear baffle of the transplanting device, an adjustable bracket positioned on a tail cross beam of the transplanting device and an outer box fixedly arranged on the adjustable bracket; a camera, an industrial personal computer and a calibration sensor are arranged in the outer box body; the distance sensor is used for monitoring the horizontal distance between a connecting rod in the profiling mechanism and the side face of the baffle; the calibration sensor is used for measuring the height of the industrial camera from the ground.
When the transplanting device is ready for operation, the copying mechanism controls the transplanting device to fall, the distance between the connecting rod and the side face of the rear baffle plate is reduced, when the distance is smaller than a closed node value, a distance sensor signal is transmitted to the industrial personal computer, and the industrial personal computer controls the closing of the camera and the calibration sensor circuit; when the distance is larger than the disconnection node value, a distance sensor signal is transmitted to an industrial personal computer, and the industrial personal computer controls the power supply of the camera and the calibration sensor to be disconnected; when the camera and the calibration sensor are in working states, the shot images are processed in the industrial personal computer, and are continuously calculated and fed back to an operator; when the calculated value is smaller than the set index, a warning signal can be sent out in real time to remind an operator.
The utility model also discloses a rape is transplanted field operation quality on-line monitoring system's monitoring method, its characterized in that includes following several steps:
first step, calibration database establishment
1.1) selection of quantitiesHas a process of L1Taking the ruler with obvious scales as a calibration object, and fixing the ruler on the ground;
1.2) fixing the camera on a bracket with adjustable height, and driving the height change of the calibration sensor through the adjustment of the height of the bracket;
1.3) taking one picture every 1cm from the height of 50cm to 250cm away from the ground, and taking 200 pictures in total;
1.4) printing the picture, measuring the length L of the ruler with fixed scales on the pictureX’；
1.5) multiple shots, taking the average of the measurements as LX；
1.6) taking the height from the ground as an abscissa,
establishing a scatter diagram for the vertical coordinate to obtain a fitted function image;
second step, image processing step after rape transplanting
2.1) carrying out Laplace sharpening on the rape transplanted image to improve the contrast of the image;
2.2) carrying out binary segmentation on the image based on an Otsu method;
2.3) corroding the image by using M structural elements with different radiuses and circles, expanding the image M1 by using N square structural elements with different side lengths, and selecting a combination with the least abnormal connected domain as an optimal expanded structural element;
2.4) carrying out corrosion first and then expansion on the binary image by using the optimal corrosion expansion structural element to obtain an image A;
2.5) obtaining the outline and the area of the image A according to a watershed segmentation algorithm, and calculating the mass center;
2.6) sequentially registering the photos, and calculating the Euclidean distance X between the centroids of the adjacent connected domains;
thirdly, calculating and correcting by using an industrial personal computer
3.1) according to a function image obtained by calibrating the sensor data, the industrial personal computer obtains an error coefficient K corresponding to the actual height through interpolation calculation;
3.2) the industrial personal computer calculates to obtain the comprehensive distance Y, when Y is equal to or more than 300mm, the load leakage is determined, and when Y is equal to or more than 300mm, the load leakage is determined<When the seedling size is 300mm, namely the normal transplanting state, the seedling number M of the plug tray and the missing load number M are recorded0；
3.3) outputting the plant spacing Y and the load leakage rate P,
and 3.4) when the P is more than or equal to 8 percent, starting to trigger an alarm state to remind an operator of the fault of the transplanter.
The utility model has the advantages that: the utility model discloses simple structure, practicality, control accuracy is high, has solved the rape and has transplanted operation quality monitoring problem, can realize that the monitoring operation of rape is transplanted is automatic according to machines operation state.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure in embodiment 1 of the present invention.
Fig. 2 is a schematic view of an internal structure of an outer box in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a usage state in embodiment 1 of the present invention.
Fig. 4 is a control schematic diagram of embodiment 1 of the present invention.
Fig. 5 is a monitoring flow chart of embodiment 1 of the present invention.
Fig. 6 is a schematic view of an image a in embodiment 1 of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the utility model provides a rape transplanting field work quality on-line monitoring system, including transplanting device and install profiling mechanism 4 in the transplanting device rear, connect distance sensor 5 on transplanting device backplate 6, be located adjustable support 2 on transplanter afterbody crossbeam 3, outer box 1 of fixed mounting on adjustable support 2, the internal fixed mounting of outer box has industrial camera 1-2, industrial computer 1-1 and calibration sensor 1-3. Wherein, the distance sensor 5 is connected with the side surface of the rear baffle 6 through a bolt, and the adjustable bracket is of an inner and outer sleeve structure and is connected on the tail beam through a bolt. The outer box passes through the bolt and links at the support end, and industrial camera, industrial computer and calibration sensor install in the outer box, through the bolt fastening.
The distance sensor is used for monitoring the horizontal distance between the connecting rod and the side face of the baffle in the profiling mechanism. When the transplanter prepares for operation, the copying mechanism controls the transplanter to fall, the distance between the connecting rod and the side face of the baffle is reduced, and when the distance is smaller than a closing node value of 86mm, the sensor keeps the circuit of the industrial camera and the calibration sensor closed through signal transmission; when the distance is larger than the disconnection node value by 107mm, the sensor realizes the power disconnection of the industrial camera and the calibration sensor through signal transmission. This avoids the need to constantly monitor the field while moving between fields or while in transit. The working state judgment is favorable for saving electric energy, and the condition that an alarm sound is given out when the transplanting state is not performed can be avoided.
When the industrial camera and the calibration sensor are in working states, software in the industrial personal computer processes the shot images, and continuously calculates and feeds back the images to an operator. When the calculated value is smaller than the set index, a warning signal can be sent out in real time to remind an operator.
As shown in fig. 4-6: the utility model discloses still relate to a rape and transplant field operation quality on-line monitoring system's monitoring method, its characterized in that includes following several steps:
first step, calibration database establishment
1.1) selecting the measuring range to be L1Taking the ruler with obvious scales as a calibration object, and fixing the ruler on the ground;
1.2) fixing the camera on a bracket with adjustable height, and driving the height change of the calibration sensor through the adjustment of the height of the bracket;
1.3) taking one picture every 1cm from the height of 50cm to 250cm away from the ground, and taking 200 pictures in total;
1.4) printing the picture, measuring the length L of the ruler with fixed scales on the pictureX’；
1.5) multiple shots, taking the average of the measurements as LX；
1.6) taking the height from the ground as an abscissa,
establishing a scatter diagram for the vertical coordinate to obtain a fitted function image;
second step, image processing step after rape transplanting
2.1) carrying out Laplace sharpening on the rape transplanted image to improve the contrast of the image;
2.2) carrying out binary segmentation on the image based on an Otsu method;
2.3) corroding the image by using M structural elements with different radiuses and circles, expanding the image M1 by using N square structural elements with different side lengths, and selecting a combination with the least abnormal connected domain as an optimal expanded structural element;
2.4) carrying out corrosion first and then expansion on the binary image by using the optimal corrosion expansion structural element to obtain an image A;
2.5) obtaining the outline and the area of the image A according to a watershed segmentation algorithm, and calculating the mass center;
2.6) sequentially registering the photos, and calculating the Euclidean distance X between the centroids of the adjacent connected domains;
thirdly, calculating and correcting by using an industrial personal computer
3.1) according to a function image obtained by calibrating the sensor data, the industrial personal computer obtains an error coefficient K corresponding to the actual height through interpolation calculation;
3.2) the industrial personal computer calculates to obtain the comprehensive distance Y, when Y is equal to or more than 300mm, the load leakage is determined, and when Y is equal to or more than 300mm, the load leakage is determined<When the seedling size is 300mm, namely the normal transplanting state, the seedling number M of the plug tray and the missing load number M are recorded0；
3.3) output of plant spacingY, the leakage rate P,
3.4) when the P is more than or equal to 8 percent, starting to trigger an alarm state to remind an operator that the transplanter fails; when the load leakage rate exceeds a threshold value, the industrial personal computer transmits a signal to the upper computer, and the upper computer transmits information to the signal display and gives an alarm sound.
After the method is adopted, the real-time condition of the rape transplanting process can be effectively monitored, the occurrence probability of device faults in the transplanting process is greatly reduced, the working efficiency of machines and tools is improved, the labor intensity of manpower is reduced, and the work income is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. Rape is transplanted field operation quality on-line monitoring system, including transplanting device and install in the profiling mechanism of transplanting device rear, its characterized in that: the transplanting monitoring system comprises a distance sensor connected to the side face of a rear baffle of the transplanting device, an adjustable bracket positioned on a tail cross beam of the transplanting device and an outer box fixedly arranged on the adjustable bracket; a camera, an industrial personal computer and a calibration sensor are arranged in the outer box body; the distance sensor is used for monitoring the horizontal distance between a connecting rod in the profiling mechanism and the side face of the baffle; the calibration sensor is used for measuring the height of the industrial camera from the ground.
2. The rape transplanting field work quality on-line monitoring system of claim 1, which is characterized in that: the adjustable support is an inner and outer sleeve type adjustable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229449.XU CN210198437U (en) | 2019-08-01 | 2019-08-01 | Rape transplanting field operation quality on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229449.XU CN210198437U (en) | 2019-08-01 | 2019-08-01 | Rape transplanting field operation quality on-line monitoring system |
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| CN210198437U true CN210198437U (en) | 2020-03-27 |
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| CN201921229449.XU Withdrawn - After Issue CN210198437U (en) | 2019-08-01 | 2019-08-01 | Rape transplanting field operation quality on-line monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319887A (en) * | 2019-08-01 | 2019-10-11 | 农业农村部南京农业机械化研究所 | Rape transplants field operation quality on-line monitoring system and its monitoring method |
-
2019
- 2019-08-01 CN CN201921229449.XU patent/CN210198437U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319887A (en) * | 2019-08-01 | 2019-10-11 | 农业农村部南京农业机械化研究所 | Rape transplants field operation quality on-line monitoring system and its monitoring method |
| CN110319887B (en) * | 2019-08-01 | 2023-09-22 | 农业农村部南京农业机械化研究所 | Online monitoring system and method for rape transplanting field operation quality |
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