CN207636503U - A kind of original grain pest detection device - Google Patents
A kind of original grain pest detection device Download PDFInfo
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- CN207636503U CN207636503U CN201721897067.5U CN201721897067U CN207636503U CN 207636503 U CN207636503 U CN 207636503U CN 201721897067 U CN201721897067 U CN 201721897067U CN 207636503 U CN207636503 U CN 207636503U
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Abstract
The utility model discloses a kind of original grain pest detection devices, including grain worm screen selecting and separating mechanism, weighing device, pest collection device, electrostatic precipitator, machine vision device, control unit and data processing unit.Grain worm screen selecting and separating mechanism in the utility model realizes raw grain and pest separation using cyclone sieve, has efficiently, discharge convenient feature；The self-cleaning of detection device is realized by the way of electrostatic precipitation, while realizing the separation of pest and dust；Using Phase Lock Technique, the Image Acquisition of camera and the genlock of light source are realized, signal-to-noise ratio, temporal resolution are greatly improved using regular camera；Using weighing device, data can more fully be analyzed.
Description
Technical field
The utility model is related to injurious insect detector technical fields, more particularly to a kind of original grain pest detection device.
Background technology
China is grain-production big country, and the secure storage of grain has a very important significance.When the preceding grain caused by insect pest
Food loss up to 11%, also affects the quality of grain.Therefore in time, accurately detect foodstuff pest, the variation to foodstuff pest
Trend is made prediction forecast, has very necessity.
Traditional original grain pest detection method has sample screening method method and trapping detection method.According to《Grain and oil storage technology
Specification》Regulation in GB/T29890-2013, trapping detection method are not used in the judgement of worm grain grade.Worm grain grade classification and grade refer to
In addition to needs count the quantity of worm living in mark, it is also necessary to the weight of grain samples.
At present China's grain depot using sample screening method for worm grain grade judge when, still use entirely it is artificial by the way of, deposit
The problems such as efficiency is low, artificial erroneous judgement while information data synthesis are difficult.The camera signal-to-noise ratio that most of detection devices use
It is low, there are problems that the details to pest and be difficult to differentiate the pest of small volume, according to the refrigeration-type camera of high s/n ratio
There is a problem of expensive.
It is domestic at present to have a small amount of sample screening law technology using machine vision, such as CN101701915B, device use
Motor drives the mode of crank connecting link screening of reciprocating vibration.Horizontal screen tray is used, it is low that there are screening efficiencies, grain after screening
The problems such as sample is difficult to take out, screen tray is not easy to replace；Lack the weighing device to grain samples, it is difficult to obtain evil under Unit Weight
The quantity of worm；Using visible light-Near-infrared Double camera, near-infrared image is used for feature extraction, it is seen that light-seeking work worm, structure are multiple
It is miscellaneous, of high cost.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of original grain pest detection device, this reality
With it is novel be the original grain pest based on machine vision detection device, will weigh, be sieved, identifying, data processing and etc. realization
Automation, digitization, can trace accuracy.
Technical solution used by the utility model is：A kind of original grain pest detection device, including grain worm screening separation dress
It sets, weighing device, pest collection device, electrostatic precipitator, machine vision device, control unit and data processing unit；Institute
The top that grain worm screen selecting and separating mechanism is fixedly installed in detection device is stated, to detach grain and pest；The weighing device and
Pest collection device is located at below grain worm screen selecting and separating mechanism and is connected respectively with grain worm screen selecting and separating mechanism；The electrostatic
Dust-extraction unit is located at below grain worm screen selecting and separating mechanism；The machine vision device is connected with control unit, is set to pest and receives
The top of acquisition means, to realize that information collection and pest image analysis judge, the data processing unit is terminal,
To send instruction；Described control unit is connected with each component, to control and transmit signal；
The grain worm screen selecting and separating mechanism includes material feeding box, screen tray, auger conveyor, screening motor, retarder and discharging
Mouthful, the screening motor is connected with control unit, and the material feeding box is fixedly installed in above auger conveyor, the spiral transferring
Device is sent to be connected with retarder, the auger conveyor is transported to grain samples the left side screen tray for being installed with wind wheel blade
Interior, the screen tray is cyclone sieve, and screen tray inclined angle a, and a≤30 ° in the horizontal direction, the discharge port are fixed
Below the left side port of screen tray；The charging box inner wall is also equipped with grain samples level sensor, the material position
Sensor is detecting whether the quantity of grain samples and the hand of operator enter material feeding box；
The weighing device include after collecting screening the collection vessel of grain and weighing to grain samples and
Judge collection vessel whether weighing sensor in place, the collection vessel is fixedly installed in the lower section of discharge port, described to weigh
Sensor is located at the lower section of collection vessel, and data are sent into control unit by weighing sensor, is turned data by control unit
Data processing unit is sent into after changing；
The pest collection device includes the pest collector for collecting pest, controlling the detection of pest collector
Motor, the detection turntable for rotating pest collector and to incude the position sensor of pest collector, the pest collection
Device is movably arranged on detection turntable, and the detection motor is connected with control unit, and detects motor driving detection turntable
Rotation, the position sensor is at least 2, is fixedly installed in below detection turntable, and position sensor and control are single
Member is connected；
The electrostatic precipitator includes dust removing funnel, the high voltage discharge electrode above the side of dust removing funnel and is mounted on
The side-lower of dust removing funnel and to collect the dust accumulation box of dust, the dust removing funnel is made of stainless steel or plastics, works as dust removing funnel
To insulate with high voltage discharge electrode when metal product；
The machine vision device includes light supply apparatus and camera, and the light supply apparatus is LED or flash lamp, the light
Phaselocked loop is further respectively had in source device at least two and the both sides for being located at camera, the light supply apparatus and camera, it is described
The glow frequency of light supply apparatus, brightness, position can be adjusted according to actual conditions, and data processing unit is controlled by control unit
Light supply apparatus and camera genlock, it is the same frequency or frequency multiplication of camera frame frequency to make its glow frequency.
Further, the screen tray（12）Including shield（121）And strainer（122）, the shield（121）For circular arc plate
And bottom edge is movably installed in strainer（122）Edge, the shield（121）Left side be additionally provided with semicircle covering（1211）,
The strainer（122）Also it is circular arc plate and and shield（121）Form hollow cylinder outer wall, the strainer（122）Activity peace
Mounted in screen tray（12）Slot track（123）On, the slot track（123）Also it is circular arc plate, is set to strainer（122）Two
Side and and strainer（122）Radian be adapted.
Further, the detection turntable（33）It is equipped with to fixed raised positioning pin（331）, the pest collection
Device（31）Bottom edge middle part is additionally provided with and positioning pin（331）Matched location hole（311）.
Further, the dust accumulation box is made of metal.
Original grain pest detection device method, includes the steps that being：
（1）Equipment self-inspection and preparation detect collection vessel and pest collector by weighing sensor and position sensor
Whether it is put in place and makes corresponding adjustment；
（2）The separation of grain samples, after level sensor induction grain samples enter material feeding box, control unit control screening
Grain samples are sent into screen tray by electric motor starting, the main shaft rotation in screen tray, auger conveyor, wind wheel blade rotation realize grain and
Pest detaches；
（3）Electrostatic precipitation, screening object pass through dust removing funnel when falling, and high voltage discharge electrode makes dust ionize, and dust falls into dust accumulation
Box, the pest after dedusting fall into pest collector；
（4）Image is acquired, while screening motor starts, control unit circle collection weighing sensor data, data
Processing unit judges whether grain samples screen completion, assigns control instruction to control unit, control detection motor receives pest
Storage rotates to the lower section of camera, and after position sensor detects in place, data processing unit controls camera and acquires image, simultaneously
Control light supply apparatus synchronization flash；
（5）Data processing, typing are handled the image of acquisition with report, data processing unit is generated, including removal
Background, binaryzation, image enhancement, edge detection, image segmentation, histogram, phase diagram, amplitude image, derivative image etc.；To acquisition
Sequence image synthesis, draw out the movement locus of pest, the pest mark to movement realizes that worm living judges；To treated
Image carries out pest morphological feature extraction, including area, perimeter, like circularity, eccentricity, spherical property, round shape etc., while to this
A little characteristic optimizations are identified the classification of pest by the original grain pest detecting system software on data processing unit, and to pest number
Amount is automatic to be counted；Data processing unit will acquire the Message Entry Systems such as grain depot, sampling location, the operating personnel of grain samples,
And the quantity for calculating every kilogram of worm living obtains worm grain grade, the primary report detected；
（6）The uploads of data, analysis, equipment by network by grain depot, sampling location, operating personnel, acquisition sequence chart
The packings compressions such as picture, example weight, primary report are uploaded to grain feelings management system cloud platform, and cloud platform makes the grain depot insect pest situation
Early warning forms final check and evaluation report；
（7）The cleaning of equipment after detection, clears up the grain samples of collection vessel, clears up the evil in pest collector
Worm, and replace, wait for detection next time.
Further, step（1）Middle detection device controls the back of the body that camera acquires pest collector by data processing unit
Scape image self-test, after the completion of acquisition, collector is turned to the lower section of dust removing funnel by control unit control detection motor.
Compared with prior art, the utility model has the beneficial effects that：
1, the screen tray in the utility model realizes grain and pest separation using cyclone sieve, has efficiently, discharging facilitates
The strainer of advantage, screen tray is installed by the way of guide rail, and the sieve for replacing different meshes can be realized according to different application demands
Disk, while facilitating repair when screen tray damages.
2, inclined angle a on screen tray and equipment level direction, and a≤30 °, can be such that the grain samples in screen tray hold
It easily empties, ensures that all samples can enter collection vessel.
3, the utility model realizes the self-cleaning of detection device by the way of electrostatic precipitation, while realizing pest and dust
Separation.
4, the utility model uses Phase Lock Technique, realizes the Image Acquisition of camera and the genlock of light source so that make
It is greatly improved with signal-to-noise ratio, temporal resolution in the case of regular camera.
5, the weighing device in the utility model can be derived that the quantity of pest under Unit Weight, can be carried out to data
More fully analyze.
6, the level sensor 23 in the utility model can detect grain samples quantity and operator hand whether there is or not into
Enter material feeding box, the former can be used for realization, and excessively alarm, sample sieving will complete prompting etc., Hou Zheyong without key starting device, sample
In protection operator, prevent human hand from being injured by auger conveyor 10.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model original grain pest detection device；
Fig. 2 is the structural schematic diagram of the utility model screen tray；
Fig. 3 is the front view of the utility model screen tray；
Fig. 4 is the structural schematic diagram of the utility model dust removing funnel；
Fig. 5 is the vertical view that the utility model detects turntable；
Fig. 6 is the structural schematic diagram of the utility model pest collector；
Fig. 7 is that the utility model screening signal changes over time schematic diagram.
Wherein：1- grain worm screen selecting and separating mechanisms, 2- weighing devices, 3- pest collection devices, 4- electrostatic precipitators, 5- machines
Device sighting device, 6- control units, 7- data processing units, 11- material feeding box, 12- screen trays, 13- auger conveyors, 14- screenings
Motor, 15- retarders, 16- discharge ports, 17- level sensors, 21- collection vessels, 22- weighing sensors, 31- pests are collected
Device, 32- detection motors, 33- detection turntables, 34- position sensors, 41- dust removing funnels, 42- high voltage discharge electrodes, 43- dust accumulation boxes,
51- light supply apparatus, 52- cameras, 121- shields, 122- strainers, 123- slot tracks, 311- location holes, 331- positioning pins,
1211- is covered.
Specific implementation mode
In order to deepen the understanding to the utility model, with reference to the accompanying drawings and examples furtherly to the utility model
Bright, which is only used for explaining the utility model, does not constitute and limits to the scope of protection of the utility model.
As shown in Figure 1, a kind of original grain pest detection device, including grain worm screen selecting and separating mechanism 1, weighing device 2, pest are received
Acquisition means 3, electrostatic precipitator 4, machine vision device 5, control unit 6 and data processing unit 7；The grain worm screening separation
Device 1 is fixedly installed in the top of detection device, to detach grain and pest；The weighing device 2 and pest collection device 3
It is connected respectively positioned at 1 lower section of grain worm screen selecting and separating mechanism and with grain worm screen selecting and separating mechanism 1；The electrostatic precipitator 4
Positioned at 1 lower section of grain worm screen selecting and separating mechanism；The machine vision device 5 is connected with control unit 6, is set to pest collection device
3 top, to realize that information collection and pest image analysis judge；The data processing unit 7 is terminal, to
Send instruction；Described control unit 6 is connected with each component, to control and transmit signal；
In the above-described embodiments, open system, first equipment self-inspection and preparation pass through weighing sensor 22 and position sensing
Device 34 detects collection vessel 21, and whether pest collector 3 is put in place, and data processing unit 7 controls camera 52 and acquires pest receipts
The background image of storage 31, after the completion of acquisition, the control detection motor 32 of control unit 6 is collected pest by detecting turntable 33
Device 31 turns to the lower section of dust removing funnel 41.
As shown in Figures 2 and 3,6 circle collection level sensor of control unit, 17 information, and it is sent into data processing unit 7,
It is opened when sending instructions to the control of control unit 6 screening motor 14 under grain samples feeding material feeding box 11, trigger data processing unit 7
Dynamic, grain samples are sent into screen tray 12 by the main shaft rotation in screen tray, auger conveyor 13, and grain and evil are realized in wind wheel blade rotation
Worm detaches.
As shown in figure 4, screening object passes through dust removing funnel 41 when falling, high voltage discharge electrode 42 makes dust ionize, and dust is falling
During captured by dust accumulation box 43, the pest after dedusting falls into pest collector 31；While screening motor 14 starts, control
6 circle collection weighing sensor of unit, 22 data processed, and it is sent into data processing unit 7, pass through the data to weighing sensor 22
Variation, it can be deduced that the information that grain samples screening is completed, the stopping screening motor 14 of control unit 6, which works and stops electrostatic, to be removed
Final example weight is judged in the work of dirt device 4.
As shown in Figure 5 and Figure 6, data processing unit 7 assigns control instruction to control unit 6, control detection motor 32, rotation
Turn detection turntable 33, pest collector 31 is rotated to the lower section of camera 52, after position sensor 34 detects in place, at data
It manages unit 7 and controls the acquisition image of camera 52, while controlling 51 synchronization flash of light supply apparatus, camera can be set according to actual conditions
The acquisition time of 52 frame frequencies and image.
In the above-described embodiments, the image of acquisition is handled, including background subtraction, judges the movement locus of insect, directly
Fang Tu counts the quantity of worm living；The Message Entry Systems such as grain depot, sampling location, the operating personnel of grain samples will be acquired；Data
Software systems on processing unit 7 calculate the quantity of every kilogram of worm living, obtain worm grain grade, the primary report detected.
In the above-described embodiments, after detection, the grain samples of collection vessel 21 are cleared up, are cleared up in pest collector 31
Pest, and replace, wait for detection next time.
In the above-described embodiments, detection device by network by grain depot, sampling location, operating personnel, acquisition sequence chart
The packings compressions such as picture, example weight, primary report are uploaded to grain feelings management system cloud platform, and cloud platform is according to more rich grain
Pest database information obtains this detection more accurately report by big data analysis, and to all previous pest of the grain depot
Variation tendency makes prediction early warning to the grain depot insect pest situation, forms final check and evaluation report in conjunction with grain temperature, water grading information.
It is illustrated in figure 7 screening signal and changes over time schematic diagram, Fig. 7（a）Be weighing sensor 22 measure screening after
The weight change of grain samples, with the screening of grain samples, weight gradually increases, in time t1Weight tends towards stability afterwards, sentences
Determine grain samples screening to complete；Fig. 7（B) be material feeding box level sensor 17 variation, time t0When being addition grain samples
It carves, sensor signal is increased sharply, time t0To t1Grain screens, sensor signal slow-decay, in t1Afterwards, sensor signal is constant,
It can be determined that all grain samples enter screen tray；Data processing unit 7 can be according to weighing sensor 22 and level sensor
Whether the data of 17 either or both of which combine judgement grain samples to screen and finish.
What the embodiments of the present invention were announced is preferred embodiment, and however, it is not limited to this, the common skill of this field
Art personnel understand the spirit of the utility model easily according to above-described embodiment, and make different amplification and variation, but as long as
The spirit of the utility model is not departed from, it is all within the protection scope of the present utility model.
Claims (4)
1. a kind of original grain pest detection device, it is characterised in that：Including grain worm screen selecting and separating mechanism（1）, weighing device（2）, evil
Worm collection device（3）, electrostatic precipitator（4）, machine vision device（5）, control unit（6）And data processing unit（7）；Institute
State grain worm screen selecting and separating mechanism（1）It is fixedly installed in the top of detection device, to detach grain and pest；The weighing device
（2）With pest collection device（3）Positioned at grain worm screen selecting and separating mechanism（1）Lower section and respectively with grain worm screen selecting and separating mechanism（1）
It is connected；The electrostatic precipitator（4）Positioned at grain worm screen selecting and separating mechanism（1）Lower section；The machine vision device（5）With control
Unit processed（6）It is connected, is set to pest collection device（3）Top, to realize that information collection and pest image analysis judge；
The data processing unit（7）For terminal, instructed to send；Described control unit（6）It is connected with each component, uses
To control and transmit signal；
The grain worm screen selecting and separating mechanism（1）Including material feeding box（11）, screen tray（12）, auger conveyor（13）, screening motor
（14）, retarder（15）And discharge port（16）, the screening motor（14）And control unit（6）It is connected, the material feeding box
（11）It is fixedly installed in auger conveyor（13）Top, the auger conveyor（13）With retarder（15）It is connected, the spiral shell
Revolve conveyer（13）Grain samples are transported to the left side screen tray for being installed with wind wheel blade（12）It is interior, the screen tray（12）For
Cyclone sieve, and screen tray（12）Inclined angle a in the horizontal direction, and a≤30 °, the discharge port（16）It is fixedly mounted
In screen tray（12）Left side port below；The material feeding box（11）Madial wall is also equipped with grain samples level sensor（17）,
The level sensor（17）To detect whether the quantity of grain samples and the hand of operator enter material feeding box（11）；
The weighing device（2）It include the collection vessel of grain after collecting screening（21）And to weigh to grain samples
With judge collection vessel whether weighing sensor in place（22）, the collection vessel（21）It is fixedly installed in discharge port（16）'s
Lower section, the weighing sensor（22）Positioned at collection vessel（21）Lower section, and weighing sensor（22）Data are sent into and are controlled
Unit processed（6）, by control unit（6）It will be sent into data processing unit after data conversion（7）；
The pest collection device（3）It include the pest collector for collecting pest（31）, controlling pest collector
Detect motor（32）, rotation pest collector（31）Detection turntable（33）And to incude pest collector（31）Position
Sensor（34）, the pest collector（31）It is movably arranged on detection turntable（33）On, the detection motor（32）With control
Unit（6）It is connected, and detects motor（32）Driving detection turntable（33）Rotation, the position sensor（34）At least
2, it is fixedly installed in detection turntable（33）Lower section, and position sensor（34）With control unit（6）It is connected；
The electrostatic precipitator（4）Including dust removing funnel（41）, be mounted on dust removing funnel（41）Side above high voltage discharge electrode
（42）And it is mounted on dust removing funnel（41）Side-lower and to collect the dust accumulation box of dust（43）；
The machine vision device（5）Including light supply apparatus（51）And camera（52）, the light supply apparatus（51）At least two
It is a, and light supply apparatus（51）Positioned at camera（52）Both sides, the light supply apparatus（51）With camera（52）In further respectively have
Phaselocked loop, data processing unit（7）Pass through control unit（6）Control light supply apparatus（51）And camera（52）Genlock makes it
Glow frequency is camera（52）The same frequency or frequency multiplication of frame frequency.
2. original grain pest detection device according to claim 1, it is characterised in that：The screen tray（12）Including shield
（121）And strainer（122）, the shield（121）It is movably installed in strainer for circular arc plate and bottom edge（122）Edge, institute
State shield（121）Left side be additionally provided with semicircle covering（1211）, the strainer（122）Also it is circular arc plate and and shield
（121）Form hollow cylinder outer wall, the strainer（122）It is movably arranged on screen tray（12）Slot track（123）On, it is described to insert
Groove track（123）Also it is circular arc plate, is set to strainer（122）Two sides and and strainer（122）Radian be adapted.
3. original grain pest detection device according to claim 1, it is characterised in that：The detection turntable（33）It is equipped with and uses
With fixed raised positioning pin（332）, the pest collector（31）Bottom edge middle part is additionally provided with and positioning pin（332）It is matched
Location hole（331）.
4. original grain pest detection device according to claim 1, it is characterised in that：The dust accumulation box（43）By made of metal
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897067.5U CN207636503U (en) | 2017-12-29 | 2017-12-29 | A kind of original grain pest detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897067.5U CN207636503U (en) | 2017-12-29 | 2017-12-29 | A kind of original grain pest detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636503U true CN207636503U (en) | 2018-07-20 |
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ID=62851609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721897067.5U Expired - Fee Related CN207636503U (en) | 2017-12-29 | 2017-12-29 | A kind of original grain pest detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207636503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894419A (en) * | 2017-12-29 | 2018-04-10 | 南京艾龙信息科技有限公司 | A kind of original grain pest detection means and method |
| CN110250123A (en) * | 2019-06-26 | 2019-09-20 | 江苏大学 | Low-density grain storage pest real-time monitoring system based on image recognition |
-
2017
- 2017-12-29 CN CN201721897067.5U patent/CN207636503U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894419A (en) * | 2017-12-29 | 2018-04-10 | 南京艾龙信息科技有限公司 | A kind of original grain pest detection means and method |
| CN107894419B (en) * | 2017-12-29 | 2023-10-27 | 南京艾龙信息科技有限公司 | Device and method for detecting raw grain pests |
| CN110250123A (en) * | 2019-06-26 | 2019-09-20 | 江苏大学 | Low-density grain storage pest real-time monitoring system based on image recognition |
| CN110250123B (en) * | 2019-06-26 | 2021-12-21 | 江苏大学 | Low-density grain storage pest real-time monitoring system based on image recognition |
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