CN113711781B - Chinese yam storage device - Google Patents
Chinese yam storage device Download PDFInfo
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- CN113711781B CN113711781B CN202111004748.5A CN202111004748A CN113711781B CN 113711781 B CN113711781 B CN 113711781B CN 202111004748 A CN202111004748 A CN 202111004748A CN 113711781 B CN113711781 B CN 113711781B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/02—Clamps; Pits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G06T7/136—Segmentation; Edge detection involving thresholding
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses a yam storage device, which relates to the technical field of yam preservation and comprises a ventilated cellar, wherein a transmission device for transmitting yams is arranged in the cellar, the transmission device comprises a transmission chain, a plurality of trays and tray ejector rods, and one tray is fixedly provided with a digital hygrothermograph; the first CCD camera positioned above each conveying chain sequentially shoots numerical images of the circularly moving digital hygrothermograph and takes the numerical images as a temperature and humidity sampling period; a correction system for measuring and correcting the digital hygrothermograph is arranged outside the cellar; according to the invention, the conveying chains for conveying the Chinese yam are arranged in the cellar, and the images of the digital hygrothermograph transmitted to the conveying chains are shot by the first CCD camera on each conveying chain, so that the temperature and the humidity of the cellar are collected for many times, the collected data are corrected by the correction system, the accuracy of temperature and humidity measurement of the cellar is improved, and the temperature and the humidity in the cellar are maintained in the optimal temperature and humidity storage environment for storing the Chinese yam.
Description
Technical Field
The invention relates to the technical field of Chinese yam preservation, in particular to a Chinese yam storage device.
Background
The yam is also called yam, dioscorea opposita and dioscorea opposita, which are the herb collected from Chinese materia medica, and the medicinal source is the dried rhizome of dioscorea opposita of the family dioscoreaceae. Rhizoma Dioscoreae has effects of nourishing and strengthening body, promoting digestion, astringing asthenic perspiration, and relieving diarrhea, and can be used for treating spleen deficiency diarrhea, lung deficiency cough, diabetes, frequent micturition, nocturnal emission, female leukorrhagia and chronic enteritis due to dyspepsia. The Chinese yam is most suitable for being matched with the lucid ganoderma to be taken, has the function of preventing and treating diabetes, and has great development prospect in the food industry and the processing industry.
The Chinese yam, as a Chinese medicinal material used as both medicine and food, is influenced by factors such as regional climate characteristics, geological characteristics, growth habit and the like, and has different producing area characteristics. The main production places of Chinese yam, such as Henan Baai, wu\38495, wen county and the like, and the places of Shanxi, shaanxi, shandong, hebei, zhejiang, hunan, sichuan, chongqing, yunnan, guizhou, guangxi and the like are also cultivated. Several large production areas mainly including Guangxi, hebei, chongqing, henan and the like form the domestic main yam cultivation area. The Chinese yam is slightly cylindrical, bent and slightly flat, 15-30 cm long and 1.5-6 cm in diameter. The surface is yellowish white or yellowish, and has longitudinal furrows, longitudinal wrinkles and fibrous root marks, and occasionally, light brown skin remains. Heavy, firm, hard to break, white in cross section, powdery. No smell, light and slightly sour taste, sticky when chewed. The Dioscorea opposita Thunb is cylindrical, the two ends of the Dioscorea opposita Thunb are flush, the Dioscorea opposita Thunb is 9-18 cm long and 1.5-3 cm in diameter. Smooth surface, white or yellowish white.
In the storage process of the Chinese yam, if the temperature of the storage space is too high, the color of tuber pulp is easy to turn yellow and brown, and the storage time is shortened; if the temperature of the storage space is too low, the storage space is easy to generate cold damage and even freeze damage, and rot is caused. Meanwhile, the Chinese yam contains a large amount of mucus and starch, so that the Chinese yam is easy to soften and become sticky when being wetted, becomes mildewed about two weeks, has yellow skin color and is most easy to generate insects. Therefore, in the process of storing the Chinese yam, the temperature and the humidity of the Chinese yam storage space are ensured to be in the most suitable range, and the storage time of the Chinese yam can be prolonged. Although the traditional Chinese yam storage device can realize measurement of the temperature and the humidity of a storage space, the measurement result is often inaccurate, errors occur, and the storage time of the Chinese yam is shortened.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a yam storage device, which comprises a ventilated cellar, wherein the four walls of the cellar are of a cement structure;
a conveying device for conveying the Chinese yam is arranged in the cellar and comprises a conveying chain, a plurality of trays and a tray ejector rod, wherein the conveying chain is provided with a plurality of conveying chains, and the conveying chains are sequentially connected to form a conveying ring;
the plurality of trays are arranged on the conveying chain, and a Chinese yam is placed on each tray;
a digital hygrothermograph for displaying the temperature and the humidity in the cellar in real time is fixedly arranged at the upper edge of one tray;
a first CCD camera for shooting a real-time display value and a Chinese yam state of the digital hygrothermograph is arranged right above the middle part of each conveying chain;
the first CCD camera positioned above each conveying chain sequentially shoots numerical images of the digital hygrothermograph in circular motion to serve as a temperature and humidity sampling period;
a correction system for measuring and correcting the digital hygrothermograph is arranged outside the cellar;
the first CCD camera can adjust photographing parameters according to the temperature and humidity parameters corrected by the correcting device.
The correction system comprises an image recognizer, an image processor and a calculation module, wherein a signal input end of the image recognizer is electrically connected with an output end of the first CCD camera, and the image recognizer recognizes a temperature value and a humidity value in a picture shot by the first CCD camera;
the output end of the image recognizer is electrically connected with the signal input end of the image processor, the signal output end of the image processor is electrically connected with the input end of the computing module, and the computing module is provided with an output end.
The calculation module performs difference average calculation correction on the temperature value and the humidity value, wherein the difference average calculation correction is to select one of the measurement values as a reference value, perform difference calculation on the other measurement values and the reference value respectively to obtain a plurality of difference values, sum the plurality of difference values and then calculate an average value to obtain a correction value.
The first CCD camera comprises a temperature and humidity parameter setting storage unit and a camera parameter automatic regulator electrically connected with the temperature and humidity parameter setting storage unit;
the temperature and humidity parameter setting and storing unit is used for presetting and storing corresponding relations among temperature parameters, humidity parameters and a plurality of camera parameter adjusting instructions;
the camera parameter automatic regulator is electrically connected with the output end of the calculation module and is used for controlling the digital camera to execute parameter adjustment operation.
The further scheme is that a detection system for detecting pesticides of the Chinese yam is further arranged in the cellar and comprises an excitation light source, a semi-transparent and semi-reflective mirror, a first optical filter, a plurality of second optical filters and a second CCD camera, wherein the excitation light source is arranged on one of the conveying chains and is used for emitting excitation light to the Chinese yam; the semi-transmitting and semi-reflecting mirror is used for splitting the excited fluorescence; filtering the split fluorescence through the first optical filter; the second CCD camera is used for acquiring a fluorescence image of the filtered wave band, and the wave band is positioned at a fluorescence characteristic spectrum peak of the pesticide to be detected; the plurality of second filters correspond to a plurality of different filtering wave bands and are used for carrying out second filtering on the second split beam light; the first CCD camera is used for acquiring a second fluorescence image of a second wave band after second filtering.
The detection system further comprises a detection control system, wherein the detection control system comprises a second optical filter selection unit, a storage unit, a correction image determination unit, a detection image determination unit and a pesticide residue determination unit;
the second optical filter selecting unit determines the optical filtering wave band of a second optical filter based on the position of the first wave band of the pesticide on the surface of the Chinese yam;
the storage unit stores the gray scale correction coefficients of the filtering wave bands of different second optical filters corresponding to the first wave band;
the correction image determining unit determines a correction image based on the second fluorescent image and the gradation correction coefficient;
the detection image determining unit determines a detection image based on the first fluorescence image and the correction image;
the pesticide residue determining unit performs threshold segmentation on the pixel gray value of which the gray value is greater than the threshold value in the detection image, and determines the distribution of pesticide residues in the sample to be detected.
The tray is provided with a strip-shaped hole for the tray ejector rod to penetrate through, one end of the tray ejector rod is connected with the conveying chain, and the other end of the tray ejector rod penetrates into the strip-shaped hole of the tray; an arched support plate is arranged between the excitation light source and the semi-transparent and semi-reflective mirror, a hole which vertically penetrates through the arched support plate is formed in the arched support plate, and the top surface of the semi-transparent and semi-reflective mirror is located below the hole.
The second filter selecting unit calculates a difference between the filtering band of each second filter and the first band, and selects the filtering band with the largest difference as the filtering band of the second filter.
The further proposal is that the upper surface of the arched support plate is an arc surface.
The further scheme is that a cooling pipeline is arranged inside the cellar, two ends of the cooling pipeline are respectively connected with a liquid inlet pipe and a liquid outlet pipe which are positioned outside the cellar, the liquid inlet pipe is connected with a water outlet of the cooling water tank through a water pump, and the liquid outlet pipe is communicated with a liquid inlet of the cooling water tank;
the cooling pipeline is formed by splicing a plurality of water pipes, and the water pipes are provided with arc-shaped parts at corners.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the conveying chains for conveying the Chinese yam are arranged in the cellar, and the images of the digital hygrothermograph conveyed to the conveying chains are shot by the first CCD camera on each conveying chain, so that the temperature and the humidity of the cellar are collected for many times, the collected data are corrected by the correction system, the accuracy of temperature and humidity measurement of the cellar is improved, and the temperature and the humidity in the cellar are ensured to be maintained in the optimal temperature and humidity storage environment for storing the Chinese yam;
the invention collects the real-time display value of the digital hygrothermograph to be calibrated by photographing, realizes the automatic collection, recording and calculation of the real-time display value of the digital thermometer to be calibrated, and can effectively improve the efficiency of data collection during metering;
according to the invention, various parameters in the camera can be automatically adjusted along with the change of the temperature and humidity in the cellar through the first CCD camera arranged in the cellar, and the CCD camera can shoot the surface change of the Chinese yam in the cellar with better shooting quality through the adjustment, because the Chinese yam which does not store the optimal temperature and humidity is easy to soften and the surface of the Chinese yam has mucus. The condition of the surface of the Chinese yam is observed more intuitively through higher-quality shooting;
the detection system comprising an excitation light source, a first CCD camera, a semi-transparent semi-reflective mirror, a first optical filter, a plurality of second optical filters and a second CCD camera is further arranged in the cellar, so that yam pesticide residues can be detected in real time while good storage of the yam is realized;
aiming at the problem that the yam is susceptible to stray light when pesticide residue is detected, the detection section conveying line moves along an arc line, the arched supporting plate matched with the tray is additionally arranged, and stray light control is realized through the arched supporting plate, so that the influence of the stray light on a detection system is reduced;
according to the invention, the cooling pipeline is arranged in the cellar, and circulating cooling water is introduced into the cooling pipeline, so that the temperature in the cellar is maintained at the optimum temperature for storing the Chinese yam; make cooling pipeline be provided with one section at least arc portion in the corner simultaneously for rivers are more smooth and easy when passing through the water pipe corner, have reduced the noise simultaneously.
Drawings
Fig. 1 is a top view of the inside of a cellar in a yam storage device according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a calibration system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the embodiment of the invention in which the tray moves to the highest point of the arched support plate for detection;
FIG. 4 is a schematic structural diagram of a detection control system according to an embodiment of the present invention;
FIG. 5 is a schematic view of a corner of a water pipe according to an embodiment of the present invention;
the attached drawings are marked as follows: 1-cellar; 10-a conveyor chain; 11-a tray; 12-a tray top rod; 13-digital hygrothermograph; 14-arched support plates; 2-a first CCD camera; 30-an excitation light source; 31-half mirror; 32-a first filter; 33-a second filter; 34-a second CCD camera; 4-cooling the pipeline; 40-water pipe; 400-arc shaped portion.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, an embodiment 1 of the present invention discloses a yam storage device, which comprises a ventilated cellar 1, wherein the cellar 1 has a cement structure on four walls; the best storage temperature of the Chinese yam is 1-4 ℃, the humidity is 80-85%, and the storage time of the Chinese yam in the temperature and humidity range reaches three years.
A transmission device for transmitting the Chinese yam is arranged in the cellar 1, and comprises a transmission chain 10, a plurality of trays 11 and a tray ejector rod 12;
the number of the transmission chains 10 in this embodiment is three, which are respectively a first transmission chain, a second transmission chain and a third transmission chain, and the first transmission chain, the second transmission chain and the third transmission chain are sequentially connected to form an approximately triangular transmission ring; in the embodiment, the first transmission chain is selected as the starting point of transmission, and the transmission direction is the direction from the first transmission chain to the second transmission chain to the third transmission chain to the first transmission chain for circulation.
A plurality of trays 11 are sequentially arranged on the first conveying chain, and each tray 11 is provided with a Chinese yam;
a digital hygrothermograph 13 for displaying the temperature and humidity in the cellar 1 in real time is fixedly arranged at the upper edge of the first tray 11;
a first CCD camera 2 for shooting real-time display values and Chinese yam states of a digital hygrothermograph 13 is arranged right above the middle parts of the three conveying chains 10; a photoelectric switch can be arranged near the first CCD camera 2 to perform related capture to the transmitting digital hygrothermograph, which is the prior art and will not be described in detail in the present invention.
The first CCD camera 2 positioned above each conveying chain 10 sequentially shoots numerical images of the digital display thermometer 13 which circularly moves to serve as a temperature and humidity sampling period;
when the humiture in the cellar of this embodiment is sampled to needs, start transmission device, first chain transmits the tray according to direction of transfer, when the tray that is provided with the digital hygrothermograph moved the below of the first CCD camera of first transmission chain, the humiture display image an of digital display thermometer is clapped down to first CCD camera, according to this mode, be located second transmission chain top, the humiture display image b and the humiture display image c of digital display thermometer are clapped respectively down to the first CCD camera that is located third transmission chain top, accomplish a cycle of cellar humiture and gather.
After the acquisition in one period is finished, a correction system for measuring and correcting the digital hygrothermograph 13 is arranged outside the cellar 1; the correction system comprises an image recognizer, an image processor and a calculation module, wherein the signal input end of the image recognizer is electrically connected with the output end of the first CCD camera 2, and the image recognizer recognizes the temperature value and the humidity value in the picture shot by the first CCD camera 2; the output end of the image recognizer is electrically connected with the signal input end of the image processor, the signal output end of the image processor is electrically connected with the input end of the computing module, and the computing module is provided with an output end.
The temperature and humidity display image a, the temperature and humidity display image b and the temperature and humidity display image c are respectively transmitted to an image recognizer, the image recognizer recognizes the obtained images, an image processor reads numerical values displayed in the images and converts the numerical values into digital signals, and the digital signals are transmitted to a computing module to carry out temperature and humidity difference value average calculation correction;
the calculation module performs difference average calculation correction on the temperature value and the humidity value, the difference average calculation correction refers to selecting one of the measurement values as a reference value, performing difference calculation on other measurement values and the reference value respectively to obtain a plurality of difference values, and then summing the plurality of difference values and then averaging to obtain a correction value.
In this embodiment:
the temperature and humidity display image a shows a temperature t1 of 4.2 ℃ and a temperature h1 of 82%;
the temperature and humidity display image b shows that the temperature t2 is 4.1 ℃ and the h2 is 78%;
the temperature and humidity display image c shows that the temperature t3 is 3.9 ℃ and the h3 is 81%;
the process of the average calculation and correction of the difference value in the embodiment is as follows:
selecting t1 as 4.2 ℃ and h1 as 82% as a reference value;
the temperature calibration value calculation process comprises the following steps:
△t1=t2-t1=4.1℃-4.2℃=-0.1℃；
△t2=t3-t1=3.9℃-4.2℃=-0.3℃；
Δ t = (-0.1 ℃ + -0.3 ℃)/3 = -0.133 ℃; the calibrated temperature value T = -0.133 ℃ +4.2= -4.067 ℃;
the calculation process of the humidity correction value is as follows:
△h1=78%-82%=-4%；
△h2=81%-82%=-1%；
Δ h = (-4% -1%)/3 = -1.67%; the humidity value after calibration is H = -1.67% +82% =80.33%;
of course, the more times the correction is performed in one sampling period, the more accurate the correction result is.
The first CCD camera 2 can adjust photographing parameters according to the temperature and humidity parameters corrected by the correcting device.
The first CCD camera 2 comprises a temperature and humidity parameter setting storage unit and a camera parameter automatic regulator electrically connected with the temperature and humidity parameter setting storage unit;
the temperature and humidity parameter setting and storing unit is used for presetting and storing the corresponding relation among the temperature parameter, the humidity parameter and the camera parameter adjusting instructions;
the camera parameter automatic regulator is electrically connected with the output end of the calculation module and is used for controlling the digital camera to execute parameter adjustment operation.
The first CCD camera of this embodiment can be according to the humiture data after the correction in the cellar, the inside each item parameter of automatic adjustment camera (for example for parameters such as exposure value and white balance), make the camera can obtain better shooting effect, shoot the quality greatly, especially when humiture data in the cellar is not in the storage humiture within range of chinese yam, through the aforesaid regulation, can make the CCD camera shoot the surface variation of chinese yam in the cellar with better shooting quality, because the chinese yam of not best storage humiture easily softens and mucus appears in the surface. The condition of the surface of the Chinese yam can be observed more intuitively through higher-quality shooting.
In the embodiment, a detection system for detecting pesticides of the Chinese yam is further arranged in the cellar 1, the detection system comprises an excitation light source 30, a semi-transparent and semi-reflective mirror 31, a first optical filter 32, a plurality of second optical filters 33 and a second CCD camera 34, the excitation light source 30 is arranged on one of the conveying chains 10, and the excitation light source 30 is used for emitting excitation light to the Chinese yam; the half mirror 31 is used for splitting the excited fluorescence; the split fluorescence is filtered by a first optical filter 32; the second CCD camera 34 is used for acquiring a fluorescence image of the filtered wave band, and the wave band is positioned at a fluorescence characteristic spectrum peak of the pesticide to be detected; the plurality of second filters 32 correspond to a plurality of different filtering bands and serve to second filter the second split light; the first CCD camera 2 is used to acquire a second fluorescence image of the second wavelength band after the second filtering.
The excitation light source is used for emitting excitation light to the Chinese yam, the excitation light source is an ultraviolet light source, for example, laser can be used as the excitation light source, and the wavelength of the excitation light can be set to be 280nm or 365nm, for example. The excitation light source may further include a lens group for expanding and collimating, and a diaphragm for adjusting the excitation light. The pesticide species that can be detected is a pesticide species that can produce fluorescence upon excitation, such as a carbamate pesticide or a pyridine pesticide.
In this embodiment, the detection system further comprises a detection control system, wherein the detection control system comprises a second optical filter selection unit, a storage unit, a correction image determination unit, a detection image determination unit and a pesticide residue determination unit;
the second optical filter selecting unit determines the optical filtering wave band of the second optical filter based on the position of the first wave band of the pesticide on the surface of the Chinese yam;
the storage unit stores the gray scale correction coefficients of the filter wave bands of different second filters corresponding to the first wave band;
a corrected image determining unit determines a corrected image based on the second fluorescent image and the gradation correction coefficient;
a detection image determination unit determines a detection image based on the first fluorescence image and the correction image;
the pesticide residue determining unit performs threshold segmentation on the pixel gray value of which the gray value is greater than the threshold value in the detection image, and determines the distribution of pesticide residues in the sample to be detected.
The second filter selection unit calculates a difference between the filter wavelength band of each second filter and the first wavelength band, and selects the filter wavelength band having the largest absolute value of the difference as the filter wavelength band of the second filter. The gray scale correction coefficient of the second filter, of which the filter wavelength band corresponds to the first wavelength band, is calculated by the following method:
s1: taking the Chinese yam without pesticide residues to obtain fluorescence images of the Chinese yam in a first wave band and a filtering wave band of a second optical filter;
s2: determining pixel positions of each group of a gray level histogram of the fluorescence image of the filtering wave band;
s3: determining the gray level mean value of the pixel position corresponding to the first waveband fluorescent image according to the pixel position of each group;
s4: and calculating the ratio of the gray average value of each group of the filtering wave band fluorescence image histogram to the gray average value of the pixel position corresponding to the first wave band fluorescence image, and determining the gray correction coefficient of each group of the gray histogram. A corrected image determining unit that determines a detection image based on the first fluorescence image and the corrected image;
the correction image determination unit determines a correction image based on:
acquiring a gray scale correction coefficient of a filtering wave band of a currently used second optical filter, which corresponds to a first wave band; determining a group of gray level histograms where the pixels are located in the second fluorescent image; and dividing the gray value of each pixel in the second fluorescent image by the gray correction coefficient of the group in which the pixel is located to obtain a corrected image. The detection image determining unit subtracts the gray value of each pixel of the correction image from the gray value of each pixel of the first fluorescence image to obtain a detection image. The pesticide residue determining unit performs threshold segmentation on the pixel gray value of which the gray value is greater than the threshold value in the detection image, and determines the distribution of pesticide residues in the sample to be detected. The pesticide residue determining unit can also integrate the pixel gray value of which the gray value is greater than the threshold value in the detected image, and when the integrated value exceeds the threshold value, the pesticide residue is indicated to be overproof, and the yam should be properly treated.
According to the detection system, the yam pesticide residue can be detected in real time while good storage of the yam is realized.
In this embodiment, the tray 11 is provided with a long strip hole for the tray top rod 12 to penetrate through, one end of the tray top rod 12 is connected with the transmission chain 10, and the other end of the tray top rod 12 penetrates into the long strip hole of the tray 11; an arched support plate 14 is arranged between the excitation light source 30 and the semi-transparent and semi-reflective mirror 31, a hole which vertically penetrates through the arched support plate 14 is formed in the arched support plate, and the top surface of the semi-transparent and semi-reflective mirror 31 is located below the hole.
In this embodiment, the upper surface of the arched support plate 14 is configured as a cambered surface for better engagement with the bottom of the pallet.
Because stray light exists, the absorption of the stray light can influence the rule of a target spectrum, and the detection precision of yam pesticides is reduced, so when the tray ejector rod and the tray move synchronously by the transmission chain, when the tray moves in the horizontal direction to a detection range where the tray enters a detection system, the bottom of the tray is in surface contact with the upper surface of the arched support plate, the tray gradually rises under the action of the arched support plate, and in the rising process, the bottom of the tray is gradually in contact with the arched support plate, when the bottom of the tray is completely attached to the arched support plate, an excitation light source above the tray emits excitation light, and as the arched support plate is provided with a vertical through hole, a spectrum signal received by the semi-transparent semi-reflective mirror light only penetrates through effective information of the yam to be detected, and the influence of the stray light reflected by other trays, support parts and the like is well avoided.
In the embodiment, a cooling pipeline 4 is arranged inside the cellar 1, two ends of the cooling pipeline 4 are respectively connected with a liquid inlet pipe and a liquid outlet pipe which are positioned outside the cellar 1, the liquid inlet pipe is connected with a water outlet of the cooling water tank through a water pump, and the liquid outlet pipe is communicated with a liquid inlet of the cooling water tank;
in the embodiment, the cooling pipeline is arranged in the cellar, and the circulating cooling water is introduced into the cooling pipeline, so that the temperature in the cellar is maintained between 0 ℃ and 4 ℃, and the amount of the introduced cooling water and the flow rate of the cooling water can be manually or automatically controlled according to the corrected temperature in the cellar, and the control technology belongs to the prior art, so the invention is not described in detail.
The cooling pipeline 4 is formed by splicing a plurality of water pipes 40, and the contact area between the water pipes and the air in the cellar can be increased through the arrangement, so that the temperature can reach the required temperature more quickly.
The water tube 40 is provided with at least one arc 400 at a corner. This embodiment is more smooth and easy when making rivers lead to the water pipe corner through above-mentioned setting, has reduced the noise simultaneously.
Example 2: the difference averaging correction in this embodiment 2 can also be implemented on the basis of embodiment 1, because only one of the measurement values is selected as the reference value in the difference averaging correction in embodiment 1, and finally a correction value is obtained, but the above method still has the problem that the deviation of the selected reference value from the accuracy value is too large, so that the obtained correction value may still be inaccurate, in this embodiment 2, n (n ≧ 3) measurement values are all used as the reference value to perform the difference averaging correction to obtain n correction values, the calibration deviation rate = (| correction value-reference value |)/reference value, the n correction values are respectively sent to the formula of the calibration deviation rate to be calculated to obtain n deviation rates, and the correction value with the smallest deviation rate is selected as the final correction value, thereby reducing the error of the calibration calculation, and further improving the accuracy of the temperature and humidity measurement.
Finally, only specific embodiments of the present invention are described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by one skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a chinese yam storage device, includes ventilated cellar for storing things (1), cellar for storing things (1) wall is the cement structure, its characterized in that:
a conveying device for conveying the Chinese yam is arranged in the cellar (1), the conveying device comprises a conveying chain (10), a plurality of trays (11) and tray ejector rods (12), the conveying chain (10) is provided with a plurality of conveying chains, and the conveying chains (10) are sequentially connected to form a conveying ring;
the trays (11) are arranged on the conveying chain (10), and a Chinese yam is placed on each tray (11);
a digital hygrothermograph (13) for displaying the temperature and the humidity in the cellar (1) in real time is fixedly arranged at the upper edge of one tray (11);
a first CCD camera (2) used for shooting a real-time display value and a Chinese yam state of the digital hygrothermograph (13) is arranged right above the middle part of each conveying chain (10);
the first CCD camera (2) positioned above each conveying chain (10) sequentially shoots numerical images of the digital hygrothermograph (13) which circularly moves and is used as a temperature and humidity sampling period;
a correction system for measuring and correcting the digital hygrothermograph (13) is arranged outside the cellar (1);
the first CCD camera (2) can adjust photographing parameters according to the temperature and humidity parameters corrected by the correction system;
the correction system comprises an image recognizer, an image processor and a calculation module, wherein the signal input end of the image recognizer is electrically connected with the output end of the first CCD camera (2), and the image recognizer recognizes a temperature value and a humidity value in a picture shot by the first CCD camera (2);
the output end of the image recognizer is electrically connected with the signal input end of the image processor, the signal output end of the image processor is electrically connected with the input end of the computing module, and the computing module is provided with an output end;
the calculation module performs difference average calculation correction on the temperature value and the humidity value, wherein the difference average calculation correction is to select one measurement value as a reference value, perform difference calculation on other measurement values and the reference value respectively to obtain a plurality of difference values, sum the plurality of difference values and then calculate an average value to obtain a correction value;
the first CCD camera (2) comprises a temperature and humidity parameter setting storage unit and a camera parameter automatic regulator electrically connected with the temperature and humidity parameter setting storage unit;
the temperature and humidity parameter setting and storing unit is used for presetting and storing the corresponding relation among the temperature parameter, the humidity parameter and the camera parameter adjusting instructions;
the camera parameter automatic regulator is electrically connected with the output end of the calculation module and is used for controlling the digital camera to execute parameter adjustment operation;
the cellar (1) is also internally provided with a detection system for carrying out pesticide detection on the Chinese yam, the detection system comprises an excitation light source (30), a semi-permeable semi-reflecting mirror (31), a first optical filter (32), a plurality of second optical filters (33) and a second CCD camera (34), the excitation light source (30) is arranged on one of the conveying chains (10), and the excitation light source (30) is used for emitting excitation light to the Chinese yam; the half-transmitting and half-reflecting mirror (31) is used for splitting the excited fluorescence; the split fluorescence is filtered by the first optical filter (32); the second CCD camera (34) is used for acquiring a fluorescence image of the filtered wave band, and the wave band is positioned at a fluorescence characteristic spectrum peak of the pesticide to be detected; a plurality of said second filters (32) corresponding to a plurality of different filtering bands and for second filtering the second split beam light; the first CCD camera (2) is also used for acquiring a second fluorescence image of a second wave band after second filtering.
2. The yam storage device of claim 1, wherein:
the detection system also comprises a detection control system, wherein the detection control system comprises a second optical filter selection unit, a storage unit, a correction image determination unit, a detection image determination unit and a pesticide residue determination unit;
the second optical filter selecting unit determines the optical filtering wave band of the second optical filter based on the position of the first wave band of the pesticide on the surface of the Chinese yam;
the storage unit stores the gray scale correction coefficients of the filtering wave bands of different second optical filters corresponding to the first wave band;
the correction image determining unit determines a correction image based on the second fluorescent image and the gradation correction coefficient;
the detection image determining unit determines a detection image based on the first fluorescence image and the correction image;
the pesticide residue determining unit performs threshold segmentation on the pixel gray value of which the gray value is greater than the threshold value in the detection image, and determines the distribution of pesticide residues in the sample to be detected.
3. The yam storage device of claim 1, wherein:
a long-strip-shaped hole for the tray ejector rod (12) to penetrate into is formed in the tray (11), one end of the tray ejector rod (12) is connected with the conveying chain (10), and the other end of the tray ejector rod (12) penetrates into the long-strip-shaped hole of the tray (11); an arched support plate (14) is arranged between the excitation light source (30) and the semi-transparent and semi-reflective mirror (31), a vertical through hole is formed in the arched support plate (14), and the top surface of the semi-transparent and semi-reflective mirror (31) is located below the hole.
4. The yam storage device of claim 2, wherein:
the second optical filter selecting unit calculates the difference value between the filtering wave band of each second optical filter and the first wave band, and selects the filtering wave band with the largest difference value as the filtering wave band of the second optical filter.
5. The yam storage device of claim 3, wherein:
the upper surface of the arch-shaped supporting plate (14) is an arc surface.
6. The yam storage device of claim 1, wherein:
a cooling pipeline (4) is arranged inside the cellar (1), two ends of the cooling pipeline (4) are respectively connected with a liquid inlet pipe and a liquid outlet pipe which are positioned outside the cellar (1), the liquid inlet pipe is connected with a water outlet of a cooling water tank through a water pump, and the liquid outlet pipe is communicated with a liquid inlet of the cooling water tank;
cooling tube (4) are formed by the concatenation of many water pipes (40), water pipe (40) are provided with arc portion (400) in the corner.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH623718A5 (en) * | 1977-11-04 | 1981-06-30 | Gerhard Baumann | Installation for the storage of fruit and vegetables. |
| CN102104709A (en) * | 2009-12-21 | 2011-06-22 | 展讯通信（上海）有限公司 | Method for processing image shot by camera and camera |
| CN102244790A (en) * | 2011-06-27 | 2011-11-16 | 展讯通信（上海）有限公司 | Device and method for adaptively adjusting supporting parameters of image signal processor |
| CN205038543U (en) * | 2015-10-15 | 2016-02-17 | 阜阳师范学院 | Sweet potato stores up cellar for storing things environmental monitoring system device based on internet of things |
| CN105549664A (en) * | 2016-01-26 | 2016-05-04 | 东莞辰达电器有限公司 | Plant environment control system |
| CN106341610A (en) * | 2016-11-25 | 2017-01-18 | 广东欧珀移动通信有限公司 | Image shooting method and mobile terminal |
-
2021
- 2021-08-30 CN CN202111004748.5A patent/CN113711781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH623718A5 (en) * | 1977-11-04 | 1981-06-30 | Gerhard Baumann | Installation for the storage of fruit and vegetables. |
| CN102104709A (en) * | 2009-12-21 | 2011-06-22 | 展讯通信（上海）有限公司 | Method for processing image shot by camera and camera |
| CN102244790A (en) * | 2011-06-27 | 2011-11-16 | 展讯通信（上海）有限公司 | Device and method for adaptively adjusting supporting parameters of image signal processor |
| CN205038543U (en) * | 2015-10-15 | 2016-02-17 | 阜阳师范学院 | Sweet potato stores up cellar for storing things environmental monitoring system device based on internet of things |
| CN105549664A (en) * | 2016-01-26 | 2016-05-04 | 东莞辰达电器有限公司 | Plant environment control system |
| CN106341610A (en) * | 2016-11-25 | 2017-01-18 | 广东欧珀移动通信有限公司 | Image shooting method and mobile terminal |
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