CN103366543B - A kind of loading control method based on detection grain piling height and system - Google Patents
A kind of loading control method based on detection grain piling height and system Download PDFInfo
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Abstract
The present invention discloses a kind of loading control method based on detection grain piling height and system, and wherein, described method includes step: in loading process, is obtained the height of the grain heap formed in loading process by image-pickup device；The height of the grain heap of acquisition is compared with scale, it is judged that whether the height of grain heap exceedes threshold value；When being, send for pointing out truck man to move the warning information of parking stall.The method of the present invention solves traditional needs and manually checks the problem of grain bulk height, improves efficiency, it is to avoid the dust infringement to operator's health, has stronger practicality.
Description
Technical field
The present invention relates to control field of freighting, particularly relate to a kind of loading control method based on detection grain piling height and system.
Background technology
In prior art, during grain entrucking, such as Semen Tritici aestivi entrucking process, the height of need the moment to note dung heap that entrucking process formed, it is to avoid because of excessive height, overflow from lorry.So after dung heap reaches high height, needing to move parking stall, proceed loading in next position.And prior art does not has good control method, it is possible to prompting driver or operator move parking stall, need manually to go to check dung heap height, and owing to more dust occurs in entrucking process, not only efficiency is low for this, have an effect on personnel health.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of loading control method based on detection grain piling height and system, it is intended to solving existing loading control method needs manually to check the problem that grain bulk height prompting driver moves parking stall.
Technical scheme is as follows:
A kind of loading control method based on detection grain piling height, wherein, including step:
A, in loading process, obtained the height of the grain heap formed in lorry loading process by image-pickup device；
B, the height of the grain heap of acquisition is compared with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
C, when the height of grain heap exceedes the threshold value on scale, send for pointing out truck man to move the warning information of parking stall.
Described loading control method based on detection grain piling height, wherein, described step A specifically includes:
After A1, loading start, image-pickup device is opened；
The image of the grain heap formed in A2, image-pickup device picked-up lorry loading process, and image is sent to an image processor；
A3, image processor extract the profile of described image by image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap.
Described loading control method based on detection grain piling height, wherein, described step B specifically includes:
B1, by the height mapping of image China Oil and Food Import and Export Corporation heap that gets to scale；
B2, obtain the height mapping of grain heap to the mapping height after scale；
B3, judge described mapping the most whether exceed on scale preset threshold value.
Described loading control method based on detection grain piling height, wherein, described step C specifically includes:
C1, when described mapping highly exceed on scale preset threshold value time, send a signal to supervisory control desk；
C2, being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
Described loading control method based on detection grain piling height, wherein, described supervisory control desk connects a red lamp, sends a warning by the way of controlling this red lamp and flashing and send voice prompt.
A kind of loading control system based on detection grain piling height, wherein, including:
Image pickup module, in loading process, obtains the height of the grain heap formed in lorry loading process by image-pickup device；
Judge module, for comparing the height of the grain heap of acquisition with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
Warning information output module, for when the height of grain heap exceedes the threshold value on scale, sends for pointing out truck man to move the warning information of parking stall.
Described loading control system based on detection grain piling height, wherein, described image pickup module includes:
Open unit, after the startup that is used for freighting, open image-pickup device；
Picked-up unit, the image of the grain heap formed in image-pickup device picked-up loading process, and image is sent to an image processor；
Processing unit, extracts the profile of described image, to obtain the height of image China Oil and Food Import and Export Corporation heap for image processor by image segmentation recognizer.
Described loading control system based on detection grain piling height, wherein, described judge module includes:
Map unit, for the height mapping of image China Oil and Food Import and Export Corporation heap that will get to scale；
Map height acquiring unit, for obtaining the height mapping of grain heap to the mapping height after scale；
Judging unit, the threshold value preset on scale for judging described mapping the most whether to exceed.
Described loading control system based on detection grain piling height, wherein, described warning information output module includes:
Signal transmitting unit, for when described mapping highly exceedes the threshold value preset on scale, sending a signal to supervisory control desk；
Warning information output unit, for being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
Described loading control system based on detection grain piling height, wherein, described supervisory control desk connects a red lamp, sends a warning by the way of controlling this red lamp and flashing and send voice prompt.
Beneficial effect: the present invention is by loading process, grain bulk height is obtained by image-pickup device, and compare with scale, it may be judged whether exceed threshold value, when exceeding threshold value, automatically send a warning, prompting truck man moves parking stall, and the method for the present invention solves traditional needs and manually checks the problem of grain bulk height, improves efficiency, avoid the dust infringement to operator's health, there is stronger practicality.
Accompanying drawing explanation
Fig. 1 is the flow chart of present invention loading control method preferred embodiment based on detection grain piling height.
Fig. 2 is the particular flow sheet of step S101 in method shown in Fig. 1.
Fig. 3 is the particular flow sheet of step S102 in method shown in Fig. 1.
Fig. 4 is the particular flow sheet of step S103 in method shown in Fig. 1.
Fig. 5 is the structured flowchart of present invention loading control system preferred embodiment based on detection grain piling height.
Fig. 6 is the concrete structure block diagram of image pickup module in system shown in Figure 5.
Fig. 7 is the concrete structure block diagram of judge module in system shown in Figure 5.
Fig. 8 is the concrete structure block diagram of warning information output module in system shown in Figure 5.
Detailed description of the invention
The present invention provides a kind of loading control method based on detection grain piling height and system, and for making the purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
S101, in loading process, obtained the height of the grain heap formed in lorry loading process by image-pickup device；
S102, the height of the grain heap of acquisition is compared with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
S103, when the height of grain heap exceedes the threshold value on scale, send for pointing out truck man to move the warning information of parking stall.
In step S101, it is first in detection loading process, the height of grain heap that lorry is formed, it specifically includes following steps:
After S201, loading start, image-pickup device is opened；
After loading starts, image-pickup device is opened, and starts working, such as, utilize a manual remote controller signal to connect described image-pickup device, when needs are freighted, utilizes manual controller to control image-pickup device and opens.It is of course also possible to be that image-pickup device detects the most automatically, and without being controlled.When loading, lorry can be parked in below funnel, prepares to receive the grain fallen from funnel.The middle lorry of the present invention is usually longer lorry.
The image of the grain heap formed in S202, image-pickup device picked-up lorry loading process, and image is sent to an image processor；
Image-pickup device can absorb the image of the grain heap formed in loading process, and in actual applications, image-pickup device can be arranged on the position that certain is higher, and lorry can be parked in fixed position and freight.When image-pickup device picked-up image, it can be towards fixing picked-up scope picked-up image, and this picked-up scope just faces the position of the grain heap of formation.Image-pickup device can absorb the image of the grain heap formed in loading process at predetermined time intervals, such as every 2s, 5s, 10s, 30s etc., and send the image photographed to image processor, image processor process the image photographed.
S203, image processor extract the profile of described image by image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap.
In this step, the image photographed will be processed by image processor, extracts the profile of image particular by image segmentation recognizer, thus obtains the height of image China Oil and Food Import and Export Corporation heap.
The step of described image segmentation recognizer needs to be analyzed the profile information in image by algorithm, the present invention uses arithmetic operators (Canny operator) to extract, image border is the discontinuous reflection of image local, it has indicated termination and the beginning in another region in a region, there are edge and two characteristics of amplitude in image border, the Canny operator that the present invention selects detects edge and obtains the profile information at scanning position, has the advantages that to be susceptible to noise jamming.
Its basic step includes:
S1, by gaussian filtering template, image is carried out convolution to eliminate noise；
S2, utilize derivative operator obtain gradation of image along x direction and the partial derivative in y direction, seek out the size and Orientation of gradient；
S3, maximum suppression non-to the application of gradient magnitude image；
S4, process with dual threshold and linking parsing detects and adjoining edge.
The profile information in image can be obtained by above-mentioned steps, so that it is determined that the elevation information of image China Oil and Food Import and Export Corporation heap.Certainly, the profile information in image is analyzed also by other algorithms, in order to obtain the elevation information of grain heap.
In step s 102, the height of the grain heap of acquisition is compared with scale, it is judged that whether the height of grain heap exceedes threshold value.This step is height and a scale of the grain heap obtained in abovementioned steps to be compared, and is provided with threshold value, it is judged that whether the height of grain heap exceedes threshold value on this scale.
Step S102 specifically includes following steps:
S301, by the height mapping of image China Oil and Food Import and Export Corporation heap that gets to scale；
First by the height mapping of image China Oil and Food Import and Export Corporation heap to scale, because image-pickup device is from a fixing angle shot, it is possible to according to this fixing angle by the height mapping of image China Oil and Food Import and Export Corporation heap to scale.
S302, obtain the height mapping of grain heap to the mapping height after scale；
After mapping processes, it is possible to obtain the mapping height after on the height mapping of image China Oil and Food Import and Export Corporation heap to scale.
S303, judge described mapping the most whether exceed on scale preset threshold value.
This step is exactly to compare mapping height with the threshold value on scale, it is judged that maps the most whether exceed the threshold value on scale, performs different process according to whether exceed.
In step s 103, according to mapping the most whether exceed the threshold value on scale, performing different process, step S103 can specifically be refined as following steps:
S401, when described mapping highly exceed on scale preset threshold value time, send a signal to supervisory control desk；
When mapping highly exceedes the threshold value on scale, send a signal to supervisory control desk, and when mapping height is not less than the threshold value on scale, do not process, continue the most whether detection mapping exceedes the threshold value on scale.
S402, being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
When supervisory control desk receives signal, send a warning, the mode sent a warning has multiple, such as, sent a warning by sound, word or other modes, such as by arranging a red lamp, when a threshold is exceeded, control the flicker of this red lamp, certainly, need that this red lamp is arranged on driver it can be seen that place, voice output module additionally can be set on this red lamp, utilize this red lamp to send alarm sounds sound.
Based on said method, the present invention also provides for a kind of loading control system based on detection grain piling height, as it is shown in figure 5, comprising:
Image pickup module 100, in loading process, obtains the height of the grain heap formed in lorry loading process by image-pickup device；
Judge module 200, for comparing the height of the grain heap of acquisition with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
Warning information output module 300, for when the height of grain heap exceedes the threshold value on scale, sends for pointing out truck man to move the warning information of parking stall.
Further, as shown in Figure 6, described image pickup module 100 includes:
Open unit 110, after the startup that is used for freighting, open image-pickup device；
Picked-up unit 120, the image of the grain heap formed in image-pickup device picked-up loading process, and image is sent to an image processor；
Processing unit 130, extracts the profile of described image, to obtain the height of image China Oil and Food Import and Export Corporation heap for image processor by image segmentation recognizer.
Further, as it is shown in fig. 7, described judge module 200 includes:
Map unit 210, for the height mapping of image China Oil and Food Import and Export Corporation heap that will get to scale；
Map height acquiring unit 220, for obtaining the height mapping of grain heap to the mapping height after scale；
Judging unit 230, the threshold value preset on scale for judging described mapping the most whether to exceed.
Further, as shown in Figure 8, described warning information output module 300 includes:
Signal transmitting unit 310, for when described mapping highly exceedes the threshold value preset on scale, sending a signal to supervisory control desk；
Warning information output unit 320, for being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
Described supervisory control desk connects a red lamp, sends a warning by the way of controlling this red lamp and flashing and send voice prompt.Ins and outs about above-mentioned modular unit are described in detail in method above, therefore repeat no more.
In sum, the present invention, by loading process, is obtained grain bulk height by image-pickup device, and compares with scale, judge whether to exceed threshold value, when exceeding threshold value, automatically sending a warning, prompting truck man moves parking stall, the method of the present invention solves the problem that grain bulk height manually checked by traditional needs, improve efficiency, it is to avoid the dust infringement to operator's health, there is stronger practicality.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (8)
1. a loading control method based on detection grain piling height, it is characterised in that include step:
A, in loading process, obtained the height of the grain heap formed in lorry loading process by image-pickup device；
B, the height of the grain heap of acquisition is compared with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
C, when the height of grain heap exceedes the threshold value on scale, send for pointing out truck man to move the warning information of parking stall;
Described step A specifically includes:
After A1, loading start, image-pickup device is opened；
The image of the grain heap formed in A2, image-pickup device picked-up lorry loading process, and image is sent to an image processor；
A3, image processor extract the profile of described image by image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap;
Described image-pickup device absorbs the image of the grain heap formed in loading process at predetermined time intervals, and sends the image photographed to image processor, image processor process the image photographed；
The basic step of described image segmentation recognizer includes:
A31, by gaussian filtering template, image is carried out convolution to eliminate noise；
A32, utilize derivative operator obtain gradation of image along x direction and the partial derivative in y direction, seek out the size and Orientation of gradient；
A33, maximum suppression non-to the application of gradient magnitude image；A34, process with dual threshold and linking parsing detects and adjoining edge.
Loading control method based on detection grain piling height the most according to claim 1, it is characterised in that described step B specifically includes:
B1, by the height mapping of image China Oil and Food Import and Export Corporation heap that gets to scale；
B2, obtain the height mapping of grain heap to the mapping height after scale；
B3, judge described mapping the most whether exceed on scale preset threshold value.
Loading control method based on detection grain piling height the most according to claim 2, it is characterised in that described step C specifically includes:
C1, when described mapping highly exceed on scale preset threshold value time, send a signal to supervisory control desk；
C2, being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
Loading control method based on detection grain piling height the most according to claim 3, it is characterised in that described supervisory control desk connects a red lamp, sends a warning by the way of controlling this red lamp and flashing and send voice prompt.
5. a loading control system based on detection grain piling height, it is characterised in that including:
Image pickup module, in loading process, obtains the height of the grain heap formed in lorry loading process by image-pickup device；
Judge module, for comparing the height of the grain heap of acquisition with scale, it is judged that whether the height of grain heap exceedes the threshold value preset on scale；
Warning information output module, for when the height of grain heap exceedes the threshold value on scale, sends for pointing out truck man to move the warning information of parking stall；
Described image pickup module includes:
Open unit, after the startup that is used for freighting, open image-pickup device；
Picked-up unit, for utilizing the image of the grain heap formed in image-pickup device picked-up loading process, and sends image to an image processor；
Processing unit, for utilizing image processor to extract the profile of described image by image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap；
Described image-pickup device absorbs the image of the grain heap formed in loading process at predetermined time intervals, and sends the image photographed to image processor, image processor process the image photographed；
The basic step of described image segmentation recognizer includes:
A31, by gaussian filtering template, image is carried out convolution to eliminate noise；
A32, utilize derivative operator obtain gradation of image along x direction and the partial derivative in y direction, seek out the size and Orientation of gradient；
A33, maximum suppression non-to the application of gradient magnitude image；A34, process with dual threshold and linking parsing detects and adjoining edge.
Loading control system based on detection grain piling height the most according to claim 5, it is characterised in that described judge module includes:
Map unit, for the height mapping of image China Oil and Food Import and Export Corporation heap that will get to scale；
Map height acquiring unit, for obtaining the height mapping of grain heap to the mapping height after scale；
Judging unit, the threshold value preset on scale for judging described mapping the most whether to exceed.
Loading control system based on detection grain piling height the most according to claim 6, it is characterised in that described warning information output module includes:
Signal transmitting unit, for when described mapping highly exceedes the threshold value preset on scale, sending a signal to supervisory control desk；
Warning information output unit, for being sent a warning by supervisory control desk, prompting truck man moves parking stall, proceeds loading.
Loading control system based on detection grain piling height the most according to claim 7, it is characterised in that described supervisory control desk connects a red lamp, sends a warning by the way of controlling this red lamp and flashing and send voice prompt.
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| CN106996751B (en) * | 2016-01-26 | 2019-02-15 | 中国科学院沈阳自动化研究所 | A kind of grain-transporting vehicle cereal loading condition detection method and device of view-based access control model image |
| CN108584011A (en) * | 2018-06-04 | 2018-09-28 | 滁州加佰味食品有限公司 | One kind falling box device |
| CN110196010B (en) * | 2019-05-15 | 2021-03-16 | 湖南中联重科混凝土机械站类设备有限公司 | Material height measuring device and method |
| CN114408614A (en) * | 2021-12-23 | 2022-04-29 | 河北华丰能源科技发展有限公司 | Supplementary early warning system of drain hole loading |
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| CN101008623A (en) * | 2007-01-19 | 2007-08-01 | 华南理工大学 | Tomographic image measuring method for shape of closed melting state material |
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| CN101104480B (en) * | 2006-07-14 | 2011-01-19 | 宝山钢铁股份有限公司 | Unmanned piling and taking technique for bulk cargo stock yard |
| CN101718527A (en) * | 2009-12-17 | 2010-06-02 | 丹东东方测控技术有限公司 | Method for calculating length of dry sand of tailings reservoir based on image recognition |
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| CN101008623A (en) * | 2007-01-19 | 2007-08-01 | 华南理工大学 | Tomographic image measuring method for shape of closed melting state material |
| CN202575449U (en) * | 2012-05-24 | 2012-12-05 | 青岛港（集团）有限公司 | Hopper-mounted loading system |
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