CN103063136B - A kind of granary storage capacity detection system - Google Patents
A kind of granary storage capacity detection system Download PDFInfo
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- CN103063136B CN103063136B CN201210581779.1A CN201210581779A CN103063136B CN 103063136 B CN103063136 B CN 103063136B CN 201210581779 A CN201210581779 A CN 201210581779A CN 103063136 B CN103063136 B CN 103063136B
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Abstract
The invention discloses a kind of granary storage capacity detection system, comprise the warehouse of silo, top in described warehouse is provided with image collecting device, mark is provided with in described warehouse, image in image acquisition device warehouse, identify quantity information in system resolution image, be converted to the dimension information of warehouse inwall, then calculate the grain volumetric reserve obtained in silo.The present invention adopts image acquisition analytical technology, overcomes the complicated huge network structure feature of traditional detection system, adopts mode simply and easily to monitor, greatly reduce the cost of monitoring system; Anti-theft monitoring can be realized while reserves detect, combine with existing epidemic disaster detection technique, in comprehensive detection silo, the data of collection are uploaded to Surveillance center by network by the state of grain, accurately can grasp the situation of grain in all silos in monitoring range; Have low cost, efficient, real-time feature, easy for installation, the benefit after universal is more obvious.
Description
Technical field
The present invention relates to electric detective technology field, be specifically related to silo detection system.
Background technology
Grain is the base substance that the mankind depend on for existence, is the valuable cargo involved the interests of the state and the people.FAO (Food and Agriculture Organization of the United Nation) adds up, and when the whole world 9.25 hundred million people do not have enough to eat belly, have about 1,300,000,000 ton-grain foods every year or be wasted or suffer artificial loss, this scale is equivalent to 1/3rd of world food output, exceedes the half of global grain yield.Therefore, food problem should fully be paid close attention to.
Various places substantially all also adopt the method for traditional poor efficiency on the reserve statistics and security monitoring of silo, the development in epoch cannot be adapted to, a large amount of foodstuff preservations together, if because out of condition in storehouse, cause the raw bacterium of grain, mouldy, a large amount of strong carcinogen can be produced, cause waste and property loss greatly.According to statistics, China often need drop into a large amount of human and material resources every year and financial resources carry out grain depot inspection work, but due to detection method original, inefficiency, lasts length, expends huge, and testing result precision is not high, this makes country be affected to the statistics of grain and regulation and control.
Grain depot is all had to store grain in each place in country, grain needs to make a distinction by the difference of its weight and water cut before warehouse-in, load in the silo of different ventilation situation, after experience a period of time, be lost to a certain degree until grain moisture content in storehouse, with regard to needs, storehouse is carried out down to grain in each storehouse, so that safe storage grain.
Current domestic silo grain reserves statistically great majority also adopt traditional management accounts pattern, namely increase in silo each or when shifting out grain, all will record and deposit account, will check record case and actual conditions when annual national grain feelings check.In today that Information Technology Development makes rapid progress, this metering method obviously seems very backward, and this method cannot realize the real-time monitoring of the reserves to silo, effectively can not prevent guard personnel from having a mind to wrong report grain and go out warehouse-in amount and the thing of defalcating.
And the method for the interior grain memory space that delivered from godown by monitoring silo pressure and then calculating in addition at present.This Cleaning Principle is that pressure transducer is laid respectively in both sides at storehouse inner bottom part, and by gathering pressure everywhere, then by the analytical calculation of processor, must deliver from godown interior real-time grain reserves.The method comparatively first method has very much progress, can the change of grain quality in Real-Time Monitoring storehouse, but the pressure transducer that the method adopts is all that precision is lower, the type that range is larger.To be sent in storehouse from silo when there being thief and to fall other object, when grain being transported with identical speed CD outlet from below, this detection method almost can not detect change, and causes national wealth to lose simultaneously.
In addition, application ground penetrating radar is also had to carry out the method for grain situation in lossless detection storehouse.According to the relation of grain specific inductive capacity and density, adopt velocity of wave chromatography and decay CT calculating method to carry out inverting to the specific inductive capacity of grain, thus realize the estimation of grain volume density in storehouse.Meanwhile, adopt speed and decay associating chromatographic technique, grain actual reserves is estimated.This method can detect the interior foreign matter that delivers from godown more accurately, illegal person effectively can be stoped in storehouse to throw in foreign material and pretend to be grain.But the cost of this checkout equipment installation and maintenance is high, function singleness, be difficult to be promoted.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of granary storage capacity detection system, and the granary storage capacity detection system that can solve prior art is because of the costly problem that cannot promote.
The present invention is achieved through the following technical solutions:
A kind of granary storage capacity detection system, comprise the warehouse of silo, top in described warehouse is provided with image collecting device, mark is provided with in described warehouse, image in image acquisition device warehouse, identify quantity information in system resolution image, be converted to the dimension information of warehouse inwall, then calculate the grain volumetric reserve obtained in silo.
Further improvement of the present invention scheme is, silo is divided into chamber storehouse and silo or flat bottom silo;
When described silo is chamber storehouse, the wall of warehouse and ground are provided with black, alternate in vain grid mark, and wherein a row grid of wall both sides edge is divided into black, the white alternate lattice that the length of side equals raw footage half, as origin identification;
When described silo be silo or flat bottom silo time, grain-entering mouth is positioned at Cang Ding, one side that grain-entering mouth projects at the bottom of storehouse is provided with scale, the annular inner wall of described warehouse is provided with black, alternate in vain grid mark, the two row grids that the two ends of same diameter at the bottom of storehouse extend vertically are divided into black, the white alternate lattice that the length of side equals raw footage half, as origin identification; Described scale is provided with black, alternate in vain striped mark, and the width of described striped mark is equal with the length of side of origin identification.
Further improvement of the present invention scheme is that image collector is set to camera, and described camera has multiple stage;
When silo is chamber storehouse, camera is respectively towards wall and the ground of warehouse;
When silo be silo or flat bottom silo time, camera is respectively towards the inwall and the scale that are divided into two equal portions by two row origin identification.
The present invention can also arrange temperature and relative humidity in warehouse, to detect the state of grain, facilitates managerial personnel to handle it in time, prevents grain from making moist, raw bacterium, mouldy; The technical program is a kind of application of routine techniques.
The present invention's advantage is compared with prior art:
One, adopt image acquisition analytical technology, overcome the complicated huge network structure feature of traditional detection system, adopt mode simply and easily to monitor, greatly reduce the cost of monitoring system;
Two, anti-theft monitoring can be realized while reserves detect, combine with existing epidemic disaster detection technique, in comprehensive detection silo, the data of collection are uploaded to Surveillance center by network by the state of grain, accurately can grasp the situation of grain in all silos in monitoring range;
Three, have low cost, efficient, real-time feature, easy for installation, the benefit after universal is more obvious.
Accompanying drawing explanation
Fig. 1 is the marking structure schematic diagram of room formula silo.
Fig. 2 is the camera scheme of installation of room formula silo.
Fig. 3 is the marking structure schematic diagram of shallow round silo.
Fig. 4 is that schematic diagram laid by flat bottom silo camera and scale.
Embodiment
embodiment 1
Chamber storehouse as shown in Figure 1, whitewashing wall in its storehouse with 1m is black, the alternate in vain grid of the length of side, be that the lattice of 0.5m is as origin identification using wherein a row coding staff cellular splitting of a face wall is the length of side, only provide the coded system of bottom surface and two sides in figure, other wall is all as reference.
As shown in Figure 2, camera is placed in the four sides of the Cang Ding of chamber storehouse, takes the image of its corresponding wall respectively.
Every some cycles, camera collection storehouse internal information, and the image information collected is uploaded to grain depot Surveillance center carries out analyzing and processing.The light being irradiated to bulkhead is reflected back camera, presents the information that gray scale is different and with distinct contrast in the picture.Because the distance of coding grid distance camera is different, so the image information presented is not identical yet, when judging the size of coding grid, previous near apart from the camera grid length of Programmable detection each coding grid, if its length difference is no more than normal range, then assert that this coding grid is the 1m length of side.After image processing techniques process, then carry out analyzing and processing by suitable algorithm and just can obtain grain reserves in silo.Its specific algorithm is as follows:
After image processing techniques analyzing and processing, suppose that the height stacking the four side bulkheads that grain covers in the storehouse that collects is respectively i
1, i
2, i
3, i
4, the warehouse width of this silo is L, and length is M, and for making the grain volume that estimates closer to truly, the height of the surroundings wall collected is averaged by we, and according to the algorithm 1 calculating grain volume, current grain volume V is:
V=(i
1+ i
2+ i
3+ i
4)/4 × L × M---algorithm 1
When grain is stolen or the grain poured into, the image information that camera head collects can show these changes, and control center gives the alarm to relevant unit or individual.
embodiment 2
As shown in Figure 3, being whitewashed by the bulkhead of silo with 1m is black, the alternate in vain grid of the length of side, the two row grids extended vertically at the two ends of same diameter at the bottom of storehouse are divided into black, the white alternate lattice that the length of side is 0.5m, as origin identification, ground is on one side provided with vertical scale in the projection of grain-entering mouth at the bottom of storehouse, and scale is provided with black, the alternate in vain striped mark that width is 0.5m.
As shown in Figure 4, camera is placed on the same bus of cone storehouse end face, takes the bulkhead and the scale that are divided into two equal portions by two origin identification respectively.
Known silo bottom surface radius is R, and can grain storage be highly h, when silo carry out the time of falling storehouse, grain be poured into from top, and opening part exports from below.Residue grain shape may add cylindrical for the back taper of central region sinking, supposes that the mark lengths on the bulkhead that collects is i
1, collecting the length being fixed on middle mark post is i
2, according to the algorithm 2 calculating grain volume, now in storehouse, grain volume V is:
V=(h-1/3i
2-2/3i
1) × π R
2---algorithm 2
All the other are implemented as embodiment 1.
Claims (2)
1. a granary storage capacity detection system, comprise the warehouse (1) of silo, it is characterized in that: the top in described warehouse (1) is provided with image collecting device (2), described warehouse is provided with mark in (1), image collecting device (2) gathers the image in warehouse (1), identify quantity information in system resolution image, be converted to the dimension information of warehouse (1) inwall, then calculate the grain volumetric reserve obtained in warehouse (1);
Described silo is divided into chamber storehouse and silo or flat bottom silo;
When described silo is chamber storehouse, the wall of warehouse (1) and ground are provided with black, alternate in vain grid mark, and wherein a row grid of wall both sides edge is divided into black, the white alternate lattice that the length of side equals raw footage half, as origin identification;
When described silo be silo or flat bottom silo time, grain-entering mouth is positioned at Cang Ding, one side that grain-entering mouth projects at the bottom of storehouse is provided with scale (3), the annular inner wall of described warehouse (1) is provided with black, alternate in vain grid mark, the two row grids that the two ends of same diameter at the bottom of storehouse extend vertically are divided into black, the white alternate lattice that the length of side equals raw footage half, as origin identification; Described scale (3) is provided with black, alternate in vain striped mark, and the width of described striped mark is equal with the length of side of origin identification.
2. a kind of granary storage capacity detection system as claimed in claim 1, is characterized in that: described image collecting device (2) is camera, and described camera has multiple stage;
When silo is chamber storehouse, camera is respectively towards wall and the ground of warehouse (1);
When silo be silo or flat bottom silo time, camera is respectively towards the inwall and the scale (3) that are divided into two equal portions by two row origin identification.
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105279296B (en) * | 2014-07-22 | 2019-02-05 | A.P.M.自动化解决方案公司 | For measuring the method and system of the content in storehouse |
| CN104729618A (en) * | 2015-01-27 | 2015-06-24 | 新疆维吾尔自治区粮油科学研究所 | Granary grain sensing device, measuring equipment and measuring method of granary grain storage quantity |
| CN105424249B (en) * | 2015-11-11 | 2018-01-02 | 河南工业大学 | A kind of detection method and its device of granary storage state |
| CN107036687B (en) * | 2017-03-08 | 2020-08-04 | 湖北叶威(集团)智能科技有限公司 | Vision-based grain storage quantity monitoring method and device |
| CN108759980A (en) * | 2018-04-03 | 2018-11-06 | 长沙沃哲信息技术有限公司 | A kind of method of grain depot management, equipment and computer readable storage medium |
| CN108895961B (en) * | 2018-05-24 | 2020-08-25 | 南京阿凡达机器人科技有限公司 | Box size measuring method, measuring equipment and adhesive tape |
| CN109669426B (en) * | 2018-12-10 | 2021-10-26 | 江苏科技大学 | Intelligent monitoring unit and implementation method thereof |
| CN110008947B (en) * | 2019-04-12 | 2021-06-29 | 河南工业大学 | Granary grain quantity monitoring method and device based on convolutional neural network |
| US12075720B2 (en) | 2021-02-05 | 2024-09-03 | Cnh Industrial Canada, Ltd. | System and method for operating a material metering system of an agricultural implement |
| CN114964437B (en) * | 2022-04-13 | 2024-02-13 | 成都百威智联科技有限公司 | Method, device and system for automatically measuring grain quantity of conical silo |
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Effective date of registration: 20180411 Address after: 116000 2 18, 1 unit 1, promotion road 252, Ganjingzi District, Dalian, Liaoning. Patentee after: Liangong Guangtong (Dalian) Lighting Technology Co.,Ltd. Address before: 223700 D ecological science and Technology Industrial Park, Siyang County, Suqian, Jiangsu Patentee before: University DALIAN POLYTECHNIC |
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