CN103776775A - Meat quality detection device mounted in refrigeration storage - Google Patents
Meat quality detection device mounted in refrigeration storage Download PDFInfo
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- CN103776775A CN103776775A CN201410040300.2A CN201410040300A CN103776775A CN 103776775 A CN103776775 A CN 103776775A CN 201410040300 A CN201410040300 A CN 201410040300A CN 103776775 A CN103776775 A CN 103776775A
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Abstract
本发明公开了一种安装于冷库中的肉品检测装置，包括设于冷库外的电脑，设于冷库内的高光谱扫描系统、水平移动部件、垂直移动部件和移动平台；水平移动部件、垂直移动部件分别用于控制高光谱扫描系统的水平、垂直运动，所述高光谱扫描系统、第一电机、第二电机和第三电机分别与电脑连接。本发明的安装于冷库中的肉品检测装置可减少外界条件的干扰，节省了搬运样品的人力，方便快捷，避免了操作人员进出冷库遭受的严寒之苦。
The invention discloses a meat detection device installed in a cold storage, which comprises a computer installed outside the cold storage, a hyperspectral scanning system installed in the cold storage, a horizontal moving part, a vertical moving part and a moving platform; the horizontal moving part, the vertical The moving parts are respectively used to control the horizontal and vertical movements of the hyperspectral scanning system, and the hyperspectral scanning system, the first motor, the second motor and the third motor are connected to the computer respectively. The meat detection device installed in the cold storage of the present invention can reduce the interference of external conditions, save manpower for carrying samples, is convenient and fast, and avoids severe cold suffered by operators when entering and leaving the cold storage.
Description
Technical field
The present invention relates to gather the device of meat hyperspectral information, particularly a kind of meat quality pick-up unit being installed in freezer.
Background technology
Along with scientific and technological progress, the high spectral technique that has merged spectrum and aerial image relies on its ability qualitative, quantitative and location, be applied to more and more in quality testing, classification and the classification of food and agricultural byproducts, there is the outstanding advantages such as quick, harmless.At present, in the Quality Detection of meat, adopt the report of high spectral technique to continue to increase, and accuracy of detection is more and more higher, sensing range is more and more wider.As Chinese patent CN200710178609.8 has announced a kind of method of utilizing ultra-optical spectrum imaging system to detect meat tenderness; Chinese patent CN200710178609 has announced ultra-optical spectrum imaging system and the detection method of meat tenderness Non-Destructive Testing; Chinese patent CN200610097857 has announced agricultural and animal products lossless detection method and the device based on hyper-spectral image technique.Chinese patent CN201110060095.2 has announced quick nondestructive and has detected the method for cooling meat total plate count.
But high spectrum was only applied aborning in the starting stage, the combination of a lot of aspects and actual production is undesirable.The first step of high spectral detection is to gather spectrum picture information.Existing hyper-spectral data gathering system is placed in high spectrometer a lighttight case (light chamber) mostly, and object is put on objective table, by translation objective table, realizes high spectrum camera to the lining by line scan of object, and finally obtains high spectrum image.This hyper-spectral data gathering device, at detection, especially has inconvenience part in large detection in slaughterhouse, is mainly manifested in:
(1) volume of high spectrum case and the load-bearing of article carrying platform are limited, make bulk trunk can not put case interscan into.Cut into fritter and detect, affect commodity value.
(2) high spectrum detection technique with noncontact, fast, not damaged is famous, then existing high spectroscopic system is placed on objective table and scans by food, unavoidably can allow Food Contact pollutant.
(3) animal trunk deepfreeze in freezing locker mostly, while carrying out spectral scan, takes meat into taking out, and will produce temperature fluctuation, easily causes that meat is putrid and deteriorated.
(4) time-consuming, the consumption power of mobile bulk meat, inefficiency, meanwhile, turnover freezer makes workman stand the hardship of severe cold.
Summary of the invention
In order to overcome the above-mentioned shortcoming and deficiency of prior art, the object of the present invention is to provide a kind of meat quality pick-up unit being installed in freezer, outside freezer, can complete operation and computing to high spectrometer, complete testing process, make workman avoid the hardship of severe cold, can be used for the overall targets such as the conventional index measurements such as the PH of meat, tender degree, microorganism and meat classification, postmortem aging situation and detect.
Object of the present invention is achieved through the following technical solutions:
Be installed on the meat quality pick-up unit in freezer, comprise the computer of being located at outside freezer, be located at high Spectral scanning system in freezer, move horizontally parts, vertical sliding dynamic component and mobile platform;
The described parts that move horizontally comprise two horizontal rail, two fixed parts, the first motor, the second motor, the first screw rod, bearing and pulleys, described two horizontal rail are individually fixed in the side walls of freezer, the two ends of described bearing are passed and are arranged at two pulleys of two horizontal rail respectively, and are fixedly connected with two pulleys; The two ends of described bearing are respectively through two fixed parts; The two ends of described the first screw rod are threaded connection with two fixed parts respectively; Described the first screw rod, through mobile platform, is threaded with mobile platform; Described bearing is through mobile platform; Described bearing is under the driving of the second motor, and band travelling block moves on x direction of principal axis along horizontal rail, bearing and mobile platform, fixed part relative sliding; Described the first screw rod, under the driving of the first motor, drives mobile platform to move at y direction of principal axis;
Described vertical sliding dynamic component comprises the second screw rod and the 3rd motor that are fixed on mobile platform below, and described high Spectral scanning system is fixed on the second screw rod; Described the second screw rod drives high Spectral scanning system to move in the vertical direction under the driving of the 3rd motor;
Described high Spectral scanning system, the first motor, the second motor and the 3rd motor are connected with computer respectively.
Described high Spectral scanning system comprises scanning platform, high spectrometer, light source and camera, and described high spectrometer, light source and camera are fixedly mounted on scanning platform.
Described high spectrometer comprises camera lens, narrow slit, spectrometer and CCD digital camera.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) scanning system that is installed on the meat quality pick-up unit in freezer of the present invention is in freezer, can reduce the interference of external condition (temperature, humidity, light etc.), the mode that adopts high spectrometer to move scans, and has saved the manpower of carrying sample, convenient and swift.
(2) operating system that is installed on the meat quality pick-up unit in freezer of the present invention, arithmetic system, outside freezer, have avoided operating personnel to suffer the hardship of freezer severe cold.
(3) be of the present inventionly installed on meat quality pick-up unit in freezer gathering in spectroscopy procedure, mobile high spectrometer and keep raiseeing meat trunk and hang in freezer motionlessly all the time, avoids the variation of the meat temperature difference and contact stain.
(4) the meat quality pick-up unit being installed in freezer of the present invention, utilizes lighttight freezing locker to form natural light chamber, and therefore this device does not need to build specially light chamber.
(5) in the present invention, high spectrometer can be along horizontal rail and vertical track, move to freezer optional position, arbitrary height scans, detects meat, camera can help operating personnel to determine position and the height at high spectrometer place, guarantees fast, accurately moves high spectrometer and make it just to target trunk.
Accompanying drawing explanation
Fig. 1 is the structural representation that is installed on the meat quality pick-up unit in freezer of the present invention.
Fig. 2 is the vertical view that is installed on the meat quality pick-up unit in freezer of the present invention.
Fig. 3 is the process flow diagram that the meat quality pick-up unit in freezer detects meat in freezing locker that is installed on that adopts the present embodiment.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Fig. 1～2, the present embodiment be installed on the meat quality pick-up unit in freezer, comprise the computer 1 of being located at outside freezer, be located at high Spectral scanning system in freezer, move horizontally parts, vertical sliding dynamic component and mobile platform 8; The described parts that move horizontally comprise two horizontal rail 3, two fixed parts 17, the first motor 6, the second motor 4, the first screw rod 7, bearing 5 and pulleys, described two horizontal rail 3 are individually fixed in the side walls of freezer, the two ends of described bearing 5 are passed and are arranged at two pulleys 18 of two horizontal rail 3 respectively, and are fixedly connected with two pulleys 18; The two ends of described bearing 5 are respectively through two fixed parts 17; The two ends of described the first screw rod 7 are threaded connection with two fixed parts 17 respectively; Described the first screw rod 17, through mobile platform 8, is threaded with mobile platform 8; Described bearing 5 is through mobile platform 8; Described bearing 5 is under the driving of the second motor 4, and band travelling block 18 moves on x direction of principal axis along horizontal rail 3, bearing 5 and mobile platform 8, fixed part 17 relative slidings; Described the first screw rod 7, under the driving of the first motor 6, drives mobile platform 8 to move at y direction of principal axis; Described high Spectral scanning system comprises scanning platform 10, high spectrometer 15, light source 13 and camera 14, and described high spectrometer 15, light source 13 and camera 14 are fixedly mounted on scanning platform 10; Described high spectrometer 15 comprises camera lens, narrow slit, spectrometer and CCD digital camera.
Described vertical sliding dynamic component comprises the second screw rod 12 and the 3rd motor 11 that are fixed on mobile platform below, and described high Spectral scanning system is fixed on the second screw rod 12; Described the second screw rod 12 drives high Spectral scanning system to move in the vertical direction along vertical track 9 under the driving of the 3rd motor 11;
Described high Spectral scanning system, the first motor 6, the second motor 4 are connected with computer by data line 2 respectively with the 3rd motor 11.
The operating process that is installed on the meat quality pick-up unit in freezer of the present embodiment is as follows:
Smear standard white plate and blackboard in freezer wall somewhere, before scanning samples, open computer 1 and operating system thereof, mobile high spectrometer 15 is to black-white board place.Open light source 13 scanning standard blanks, close the rear scanning standard blackboard of light source 13, complete the spectrum check and correction of high spectrum.
When scanning meat, open light source 13, operation the second motor 4 is with travelling block 18 at horizontal rail 3(x direction of principal axis) upper mobile.Operate the first motor 6 and can make the first screw rod 7 rotate, mobile platform 8 is moved on y direction of principal axis.The target trunk 16 that will scan is selected in observation by camera 14, allow mobile platform 8 reach the site that is applicable to scanning, operating the 3rd motor 11 rotates the second screw rod 12, scanning platform 10 is moved along vertical track 9, thereby the high spectrometer 15 on scanning platform 10 complete the spectrum picture collection to trunk 16 from top to bottom.Spectrum picture is sent in computer 1 by data line 2, carries out spectral analysis, and meat is carried out to respective handling.
Adopt the meat quality pick-up unit being installed in freezer of the present embodiment to detect the degree of ripeness of meat in freezing locker below:
Collect 100 beef in slaughterhouse and butcher information, hit dizzy, bloodletting, peeling, separation internal organ, entered freezing locker after the flow process such as splitting partly by the quarantine Niu Jing that is applicable to butchering of safety, cold store temperature is set as 4 ℃, and humidity is 85%.Immediately meat is carried out detection and the spectral scan of pH value, tender degree.The degree of ripeness that can represent with a certain privileged site trunk, represents trunk degree of ripeness with stern meat in the present embodiment.
Meat is carried out to high spectral scan with the meat quality pick-up unit being installed in freezer of the present embodiment, high spectrometer is by near infrared spectrometer (Spectral Imaging company limited of Finland, wavelength 900-2500nm, wavelength resolution is 6nm) and CCD camera (Belgian Xenics Infrared Solutions company, pixel is 320 × 300) form.Camera exposure speed is 2ms/ time, and high spectrum is near-infrared wavelength (900-1700nm), and pixel is 320 × 256, and wavelength resolution is 6nm.After scanning, cut the beef clod of the high 6cm of being respectively of length and width, 3cm, 3cm from ox trunk rump.Use pH value to survey instrument (Orion3Star, Thermo Fisher Scientific Inc., the U.S.) measure the pH value of sample, probe is inserted in meat sample, pH value meter electrode is fully contacted with the tissue fluid in muscle, record after pH value meter stable reading, each sample is measured 3 times at different parts, gets the pH value of measuring this sample of mean value.Carry out again tender degree measurement, undertaken by Ministry of Agriculture's industry standard one NY/Tll80 1 " the mensuration shearing force determination method of the tender degree of meat ", with matter structure instrument (Instron, Model4301, Britain) to each sample duplicate measurements 3 times, average is as the tender degree (N of unit) of this sample.
After four hours, again beef is carried out to high spectral scan and property measurement.After this timing repeating data collection, butchering latter first 2 days is to gather once for 4 hours, within after 2 days 8 hours, gathers once.When the pH of meat value, tender degree value return to amplitude of variation when very little, artificial cognition meat maturation, transports freezer by meat, end data collection.Consider the economic factors in slaughterhouse, in fixed 18 days refrigeration time limits, finish the data acquisition of whole samples.
The regression model method for building up following (as shown in Figure 3) of single time point: (1) spectrum pre-service, averages the spectrum at ox trunk stern meat place.(2) spectrum of all samples is carried out to PCA analysis, extract front 10 major components.(3) set up respectively 10 major components of spectrum and meat pH value, tender degree value spectrum regression model by support vector machine (SVM), the common kernel function of SVM has four kinds, selects radial basis function as kernel function in present case.(4) the punishment parameters C of support vector machine and nuclear parameter g are the important parameters that determines training degree of accuracy, in the present invention, by particle cluster algorithm (POS), 2 of spectral model parameters are carried out to optimizing, take the 4th hour tender degree model as example, when optimum results is C=2.37g=77.52, the regression effect of model is best, coefficient R=0.91 of leave one cross validation (Leave-One-Out Cross-Validation).(5) testing model, carries out correlation analysis by predicted value and measured value, and what reach significant correlation level thinks that model is successful, does not reach the adjustment modeling parameters of significant correlation level, modeling again.
According to time sequencing, repeat above modeling procedure, set up the meat pH value of different time points, tender degree value and spectrum regression model.
The measurement of fresh sample degree of ripeness: fresh sample is carried out to timing spectral scan, different time points spectroscopic data is imported to the spectral model of corresponding time point, calculate meat pH value, tender degree value.In chronological order predicted value is coupled together, draw pH value, the tender degree value change curve of beef, whether the maturation of differentiating meat according to change curve completes.Acid discharge, the tenderization of meat are defined as maturation to which kind of degree, and each producer can be according to actual conditions adjustment.After pH value being gone up in this example, pH value is greater than 6, and last three measured values are more or less the same in 0.3; Tender degree declines and exceedes 30% than maximum tender degree simultaneously, and last three measured value deviations are not more than 5%.The ripe sale of dispatching from the factory, immature continuation refrigeration, detection, until the refrigeration deadline date.
In this experiment, prepare 40 new samples, carried out spectral scan and analysis, had 31 oxen to fulfil maturation ahead of schedule in 14 days, in manual detection and these 31 samples of differentiation, had 29 maturations, differentiated correct 93.5%.The meat quality pick-up unit that proves the present embodiment is feasible in actual production.
Table 1 adopts the present invention to carry out the contrast of spectrum differentiation and manual detection result
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
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Cited By (8)
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| CN104374719A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374709A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid nondestructive detection device and detection method |
| CN104374707A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness detection device and detection method |
| CN104897581A (en) * | 2015-05-29 | 2015-09-09 | 华南理工大学 | Method and device for identifying fresh meat, chilled meat, and frozen meat based on hyperspectrum |
| CN105866063A (en) * | 2016-04-08 | 2016-08-17 | 北京工商大学 | Sausage quality grade detection method |
| CN106323477A (en) * | 2015-06-30 | 2017-01-11 | 安捷伦科技有限公司 | Infrared imaging system with automatic referencing |
| CN104374704B (en) * | 2014-08-18 | 2017-11-17 | 浙江工商大学 | A kind of identifying meat freshness device and method |
| CN108267409A (en) * | 2017-12-29 | 2018-07-10 | 北京农业智能装备技术研究中心 | A kind of portable EO-1 hyperion grass cutting blade herbicide identification Optical devices and method |
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Cited By (12)
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| CN104374719A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374709A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid nondestructive detection device and detection method |
| CN104374707A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness detection device and detection method |
| CN104374719B (en) * | 2014-08-18 | 2017-01-18 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374704B (en) * | 2014-08-18 | 2017-11-17 | 浙江工商大学 | A kind of identifying meat freshness device and method |
| CN104897581A (en) * | 2015-05-29 | 2015-09-09 | 华南理工大学 | Method and device for identifying fresh meat, chilled meat, and frozen meat based on hyperspectrum |
| CN104897581B (en) * | 2015-05-29 | 2018-07-20 | 华南理工大学 | The method and device of identification green meat, chilled meat and chilled meat based on EO-1 hyperion |
| CN106323477A (en) * | 2015-06-30 | 2017-01-11 | 安捷伦科技有限公司 | Infrared imaging system with automatic referencing |
| CN106323477B (en) * | 2015-06-30 | 2022-01-04 | 安捷伦科技有限公司 | Infrared imaging system with automatic datuming |
| CN105866063A (en) * | 2016-04-08 | 2016-08-17 | 北京工商大学 | Sausage quality grade detection method |
| CN108267409A (en) * | 2017-12-29 | 2018-07-10 | 北京农业智能装备技术研究中心 | A kind of portable EO-1 hyperion grass cutting blade herbicide identification Optical devices and method |
| CN108267409B (en) * | 2017-12-29 | 2020-05-22 | 北京农业智能装备技术研究中心 | Portable hyperspectral weed leaf herbicide identification optical device and method |
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