CN103366543A - Loading control method and system based on detection of grain accumulation height - Google Patents
Loading control method and system based on detection of grain accumulation height Download PDFInfo
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- CN103366543A CN103366543A CN2013102999044A CN201310299904A CN103366543A CN 103366543 A CN103366543 A CN 103366543A CN 2013102999044 A CN2013102999044 A CN 2013102999044A CN 201310299904 A CN201310299904 A CN 201310299904A CN 103366543 A CN103366543 A CN 103366543A
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Abstract
The invention discloses a loading control method and a system based on detection of grain accumulation height. The method comprises the steps: acquiring the height of a formed grain bulk when in loading process by an image pick-up device; comparing the acquired grain bulk height with a scale plate, determining whether the grain bulk height exceeds a threshold; and when the grain bulk height exceeds the threshold, emitting an alarm information to instruct a lorry driver to change the lorry position. The method helps to solve the problem that under a conventional condition, the grain bulk height needs checking by people, and helps to improve efficiency and avoid damages of dust to operation personnel health, and is high in practicality.
Description
Technical field
The present invention relates to the control field of freighting, relate in particular to a kind of loading control method and system based on detecting the grain piling height.
Background technology
In the prior art, in grain entrucking process, wheat entrucking process for example need to be noted the height of the dung heap that the entrucking process forms constantly, avoids overflowing from lorry because of excessive height.So after dung heap reaches high height, need to move the parking stall, proceed loading in next position.And do not have good control method in the prior art, can point out driver or operating personnel to move the parking stall, need to manually remove to check the dung heap height because more dust appears in the entrucking process, this not only efficient low, also affect the 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, the object of the present invention is to provide a kind of loading control method and system based on detecting the grain piling height, be intended to solve existing loading control method and need to check manually that grain bulk height prompting driver moves the problem of parking stall.
Technical scheme of the present invention is as follows:
A kind of loading control method based on detecting the grain piling height wherein, comprises step:
A, in the loading process, obtain the height of the grain heap that forms in the lorry loading process by image-pickup device;
B, height and scale that the grain that obtains is piled compare, and judge whether the height of grain heap surpasses threshold value default on the scale;
C, when the height of grain heap surpasses threshold value on the scale, send for the prompting teamster and move the warning information of parking stall.
Described loading control method based on detecting the grain piling height, wherein, described steps A specifically comprises:
After A1, loading started, image-pickup device was opened;
A2, image-pickup device absorb the image of the grain heap that forms in the lorry loading process, and image is sent to an image processor;
A3, image processor extract the profile of described image by the image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap.
Described loading control method based on detecting the grain piling height, wherein, described step B specifically comprises:
B1, with the height mapping of the image China Oil and Food Import and Export Corporation that gets access to heap to scale;
B2, the mapping height of height mapping to the scale that obtains grain heap;
B3, judge that highly whether described mapping surpasses threshold value default on the scale.
Described loading control method based on detecting the grain piling height, wherein, described step C specifically comprises:
C1, when described mapping highly surpasses the threshold value of presetting on the scale, send a signal to supervisory control desk;
C2, sent a warning by supervisory control desk, the prompting teamster moves the parking stall, proceeds loading.
Described loading control method based on detecting the grain piling height, wherein, described supervisory control desk connects a red lamp, sends a warning by the mode of controlling this red lamp flicker and sending voice prompt.
A kind of loading control system based on detecting the grain piling height wherein, comprising:
Image pickup module is used in the loading process, obtains the height of the grain heap that forms in the lorry loading process by image-pickup device;
Judge module, height and scale that the grain that is used for obtaining is piled compare, and judge whether the height of grain heap surpasses threshold value default on the scale;
The warning information output module when being used for height when the grain heap and surpassing threshold value on the scale, sends for pointing out teamster to move the warning information of parking stall.
Described loading control system based on detecting the grain piling height, wherein, described image pickup module comprises:
Open the unit, be used for freighting after the startup, open image-pickup device;
The picked-up unit is used for the image of the grain heap that image-pickup device picked-up loading process forms, and image is sent to an image processor;
Processing unit is used for image processor extracts described image by the image segmentation recognizer profile, to obtain the height of image China Oil and Food Import and Export Corporation heap.
Described loading control system based on detecting the grain piling height, wherein, described judge module comprises:
Map unit, the height mapping that the image China Oil and Food Import and Export Corporation that is used for getting access to piles is to scale;
Mapping height acquiring unit, the height mapping that is used for obtaining the grain heap mapping height to the scale;
Judging unit is used for judging that highly whether described mapping surpasses threshold value default on the scale.
Described loading control system based on detecting the grain piling height, wherein, described warning information output module comprises:
Signal transmitting unit is used for sending a signal to supervisory control desk when described mapping highly surpasses threshold value default on the scale;
The warning information output unit is used for being sent a warning by supervisory control desk, and the prompting teamster moves the parking stall, proceeds loading.
Described loading control system based on detecting the grain piling height, wherein, described supervisory control desk connects a red lamp, sends a warning by the mode of controlling this red lamp flicker and sending voice prompt.
Beneficial effect: the present invention is by in the loading process, obtain grain bulk height by image-pickup device, and compare with scale, judge whether to surpass threshold value, when surpassing threshold value, automatically send a warning, the prompting teamster moves the parking stall, and method of the present invention has solved the problem that traditional needs are manually checked grain bulk height, has improved efficient, avoid the infringement of dust to operator ' s health, had stronger practicality.
Description of drawings
Fig. 1 is the process flow diagram that the present invention is based on the loading control method preferred embodiment that detects the grain piling height.
Fig. 2 is the particular flow sheet of step S101 in the method shown in Figure 1.
Fig. 3 is the particular flow sheet of step S102 in the method shown in Figure 1.
Fig. 4 is the particular flow sheet of step S103 in the method shown in Figure 1.
Fig. 5 is the structured flowchart that the present invention is based on the loading control system preferred embodiment that detects the grain piling height.
Fig. 6 is the concrete structure block diagram of image pickup module in the system shown in Figure 5.
Fig. 7 is the concrete structure block diagram of judge module in the system shown in Figure 5.
Fig. 8 is the concrete structure block diagram of warning information output module in the system shown in Figure 5.
Embodiment
The invention provides a kind of loading control method and system based on detecting the grain piling height, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, below the present invention is described in more detail.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 the loading process, obtain the height of the grain heap that forms in the lorry loading process by image-pickup device;
S102, height and scale that the grain that obtains is piled compare, and judge whether the height of grain heap surpasses threshold value default on the scale;
S103, when the height of grain heap surpasses threshold value on the scale, send for the prompting teamster and move the warning information of parking stall.
In step S101, be to detect first in the loading process, the height of the grain heap that forms on the lorry, it specifically comprises the steps:
After S201, loading started, image-pickup device was opened;
After loading started, image-pickup device was opened, and starts working, and for example utilizes a manual remote controller signal to connect described image-pickup device, when needs are freighted, utilized manual controller control image-pickup device to open.Certainly, also can be that image-pickup device continues automatically to detect, and need not to control.When loading, lorry can be parked in the funnel below, prepares to receive the grain that falls from funnel.Middle lorry of the present invention generally is the lorry of growing.
S202, image-pickup device absorb the image of the grain heap that forms in the lorry loading process, and image is sent to an image processor;
Image-pickup device can absorb the image of the grain heap that forms in the loading process, and in actual applications, image-pickup device can be installed in certain higher position, and lorry can be parked in the fixed position and freights.When the image-pickup device pickup image, it can be towards fixing picked-up scope pickup image, and this picked-up scope just in time faces the position of the grain heap of formation.Image-pickup device can absorb every the schedule time image of the grain heap that forms in the loading process, for example every 2s, 5s, 10s, 30s etc., and the image that photographs is sent to image processor, by image processor the image that photographs is processed.
S203, image processor extract the profile of described image by the image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap.
In this step, image processor will be processed the image that photographs, and specifically extract the profile of image by the image segmentation recognizer, thereby obtain the height of image China Oil and Food Import and Export Corporation heap.
The step of described image segmentation recognizer need to be analyzed the profile information in the image by algorithm, the present invention adopts arithmetic operators (Canny operator) to extract, the image border is the discontinuous reflection of image local, it has indicated the termination in a zone and the beginning in another zone, there are edge and two characteristics of amplitude in the image border, the Canny operator that the present invention selects comes Edge detected to obtain the profile information at scanning position, has the characteristics of the noise of not being subject to.
Its basic step comprises:
S1, with the gaussian filtering template image is carried out convolution to eliminate noise;
S2, utilize derivative operator to obtain gradation of image along the partial derivative of x direction and y direction, seek out the size and Orientation of gradient;
S3, to non-maximum inhibition of gradient magnitude image applications;
S4, process with dual threshold and to detect with linking parsing and connect the edge.
Can obtain profile information in the image by above-mentioned steps, thereby determine the elevation information of image China Oil and Food Import and Export Corporation heap.Certainly, also can come profile information in the analysis image by other algorithms, in order to obtain the elevation information of grain heap.
In step S102, height and scale that the grain that obtains is piled compare, and judge whether the height of grain heap surpasses threshold value.This step is that height and a scale of grain heap that will obtain in the abovementioned steps compares, and is provided with threshold value at this scale, judges that whether height that grain piles is above threshold value.
Step S102 specifically may further comprise the steps:
S301, with the height mapping of the image China Oil and Food Import and Export Corporation that gets access to heap to scale;
At first with 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, thus can according to this fixing angle with the height mapping of image China Oil and Food Import and Export Corporation heap to scale.
S302, the mapping height of height mapping to the scale that obtains grain heap;
After mapping was processed, the mapping of the height mapping that can obtain image China Oil and Food Import and Export Corporation heap after to scale highly.
S303, judge that highly whether described mapping surpasses threshold value default on the scale.
This step is exactly that mapping height and threshold value on the scale are compared, and judges that highly whether mapping surpasses the threshold value on the scale, carries out different processing according to whether surpassing.
In step S103, highly whether above the threshold value on the scale, carry out different processing according to mapping, step S103 can specifically be refined as following steps:
S401, when described mapping highly surpasses the threshold value of presetting on the scale, send a signal to supervisory control desk;
When shining upon the threshold value that highly surpasses on the scale, send a signal to supervisory control desk, and when shining upon the threshold value that highly surpasses on the scale, then do not process, continue the detection mapping highly whether above the threshold value on the scale.
S402, sent a warning by supervisory control desk, the prompting teamster moves the parking stall, proceeds loading.
When supervisory control desk is received signal, send a warning, the mode that sends a warning has multiple, for example sends a warning by sound, literal or other modes, for example by a red lamp is set, when surpassing threshold value, control this red lamp flicker, certainly, need this red lamp is arranged on the place that the driver can see, can the voice output module be set at this red lamp in addition, utilize this red lamp prompting sound that gives the alarm.
Based on said method, the present invention also provides a kind of loading control system based on detecting the grain piling height, and as shown in Figure 5, it comprises:
Warning information output module 300 when being used for height when the grain heap and surpassing threshold value on the scale, sends for pointing out teamster to move the warning information of parking stall.
Further, as shown in Figure 6, described image pickup module 100 comprises:
Picked-up unit 120 is used for the image of the grain heap that image-pickup device picked-up loading process forms, and image is sent to an image processor;
Further, as shown in Figure 7, described judge module 200 comprises:
Mapping height acquiring unit 220, the height mapping that is used for obtaining the grain heap mapping height to the scale;
Judging unit 230 is used for judging that highly whether described mapping surpasses threshold value default on the scale.
Further, as shown in Figure 8, described warning information output module 300 comprises:
Signal transmitting unit 310 is used for sending a signal to supervisory control desk when described mapping highly surpasses threshold value default on the scale;
Warning information output unit 320 is used for being sent a warning by supervisory control desk, and the prompting teamster moves the parking stall, proceeds loading.
Described supervisory control desk connects a red lamp, sends a warning by the mode of controlling the flicker of this red lamp and sending voice prompt.About existing detailed description the in detail in the ins and outs method in front of above-mentioned modular unit, therefore repeat no more.
In sum, the present invention obtains grain bulk height by image-pickup device, and compares with scale by in the loading process, judge whether to surpass threshold value, when surpassing threshold value, automatically send a warning, the prompting teamster moves the parking stall, method of the present invention has solved the problem that traditional needs are manually checked grain bulk height, improve efficient, avoided the infringement of dust to operator ' s health, had stronger practicality.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. the loading control method based on detection grain piling height is characterized in that, comprises step:
A, in the loading process, obtain the height of the grain heap that forms in the lorry loading process by image-pickup device;
B, height and scale that the grain that obtains is piled compare, and judge whether the height of grain heap surpasses threshold value default on the scale;
C, when the height of grain heap surpasses threshold value on the scale, send for the prompting teamster and move the warning information of parking stall.
2. the loading control method based on detecting the grain piling height according to claim 1 is characterized in that, described steps A specifically comprises:
After A1, loading started, image-pickup device was opened;
A2, image-pickup device absorb the image of the grain heap that forms in the lorry loading process, and image is sent to an image processor;
A3, image processor extract the profile of described image by the image segmentation recognizer, to obtain the height of image China Oil and Food Import and Export Corporation heap.
3. the loading control method based on detecting the grain piling height according to claim 2 is characterized in that, described step B specifically comprises:
B1, with the height mapping of the image China Oil and Food Import and Export Corporation that gets access to heap to scale;
B2, the mapping height of height mapping to the scale that obtains grain heap;
B3, judge that highly whether described mapping surpasses threshold value default on the scale.
4. the loading control method based on detecting the grain piling height according to claim 3 is characterized in that, described step C specifically comprises:
C1, when described mapping highly surpasses the threshold value of presetting on the scale, send a signal to supervisory control desk;
C2, sent a warning by supervisory control desk, the prompting teamster moves the parking stall, proceeds loading.
5. the loading control method based on detecting the grain piling height according to claim 4 is characterized in that, described supervisory control desk connects a red lamp, sends a warning by the mode of controlling this red lamp flicker and sending voice prompt.
6. the loading control system based on detection grain piling height is characterized in that, comprising:
Image pickup module is used in the loading process, obtains the height of the grain heap that forms in the lorry loading process by image-pickup device;
Judge module, height and scale that the grain that is used for obtaining is piled compare, and judge whether the height of grain heap surpasses threshold value default on the scale;
The warning information output module when being used for height when the grain heap and surpassing threshold value on the scale, sends for pointing out teamster to move the warning information of parking stall.
7. the loading control system based on detecting the grain piling height according to claim 6 is characterized in that, described image pickup module comprises:
Open the unit, be used for freighting after the startup, open image-pickup device;
The picked-up unit is used for the image of the grain heap that image-pickup device picked-up loading process forms, and image is sent to an image processor;
Processing unit is used for image processor extracts described image by the image segmentation recognizer profile, to obtain the height of image China Oil and Food Import and Export Corporation heap.
8. the loading control system based on detecting the grain piling height according to claim 7 is characterized in that, described judge module comprises:
Map unit, the height mapping that the image China Oil and Food Import and Export Corporation that is used for getting access to piles is to scale;
Mapping height acquiring unit, the height mapping that is used for obtaining the grain heap mapping height to the scale;
Judging unit is used for judging that highly whether described mapping surpasses threshold value default on the scale.
9. the loading control system based on detecting the grain piling height according to claim 8 is characterized in that, described warning information output module comprises:
Signal transmitting unit is used for sending a signal to supervisory control desk when described mapping highly surpasses threshold value default on the scale;
The warning information output unit is used for being sent a warning by supervisory control desk, and the prompting teamster moves the parking stall, proceeds loading.
10. the loading control system based on detecting the grain piling height according to claim 9 is characterized in that, described supervisory control desk connects a red lamp, sends a warning by the mode of controlling this red lamp flicker and sending voice prompt.
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