CN113418878A - Fruit maturity detection system and method based on micro spectral sensor - Google Patents
Fruit maturity detection system and method based on micro spectral sensor Download PDFInfo
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- CN113418878A CN113418878A CN202110660189.7A CN202110660189A CN113418878A CN 113418878 A CN113418878 A CN 113418878A CN 202110660189 A CN202110660189 A CN 202110660189A CN 113418878 A CN113418878 A CN 113418878A
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention relates to the technical field of fruit detection, in particular to a fruit maturity detection system and method based on a micro spectral sensor; place fruit on main conveyer belt, carry and detect to the data acquisition is indoor, utilize the spectral data of data acquisition device collection fruit, and carry out the analysis, data result output to master controller department that will obtain, when the maturity that data acquisition device judged fruit is sufficient, utilize master controller control to adjust conveyer belt forward output, thereby carry ripe fruit to first reposition of redundant personnel conveyer belt, when the maturity that data acquisition device judged fruit is not enough, utilize master controller control to adjust the reverse output of conveyer belt, thereby carry immature fruit to second reposition of redundant personnel conveyer belt, thereby the classification of the completion fruit maturity that can oneself.
Description
Technical Field
The invention relates to the technical field of fruit detection, in particular to a fruit maturity detection system and method based on a micro spectral sensor.
Background
With the development of the logistics industry, more and more fruits are transported to the whole country or all over the world, but due to the fact that the quality guarantee period of the fruits is short and the taste of the unripe fruits is poor, the detection of the ripeness degree of the fruits by using proper detection equipment is necessary for classifying the fruits.
However, most of the existing fruit maturity classifications detect fruits through manual hand-held spectrum detectors, mature or immature fruits are placed in different placing areas after detection, classification is completed, and efficiency is low.
Disclosure of Invention
The invention aims to provide a fruit maturity detection system and method based on a micro spectral sensor, and solves the problems that in the prior art, the existing fruit maturity classification mostly detects fruits through a manual handheld spectral detector, and after detection, ripe or unripe fruits are placed in different placing areas, so that classification is finished, and efficiency is low.
In order to achieve the above purpose, the invention provides a fruit maturity detection system based on a micro spectral sensor, the fruit maturity detection system based on the micro spectral sensor comprises a placing frame, a main controller, a main conveyer belt, a data acquisition room, an adjusting bracket, a data acquisition device, an adjusting conveyer belt, a first shunt conveyer belt and a second shunt conveyer belt, the main conveyor belt is arranged at one end of the placing frame, the first shunt conveyor belt and the second shunt conveyor belt are arranged at the other end of the placing frame, the first shunt conveyor belt and the second shunt conveyor belt are arranged in parallel, the adjusting conveyor belt is arranged at one end of the first shunt conveyor belt and one end of the second shunt conveyor belt close to the main conveyor belt, one end of the adjusting conveying belt corresponds to the first shunt conveying belt, and the other end of the adjusting conveying belt corresponds to the second shunt conveying belt;
the top of main conveyer belt is provided with the data acquisition room, the inside of data acquisition room is provided with adjust support and light source, it is provided with on the regulation support data acquisition device, data acquisition device's information output end with the information input end of master controller is connected, the information output end of master controller with the information input end of adjusting the conveyer belt is connected.
Placing fruit on the main conveyor belt, carrying extremely detect in the data acquisition room, utilize the spectral data of data acquisition device collection fruit, and carry out the analysis, the data result that will obtain is exported extremely master controller department, when the maturity that data acquisition device judged fruit is sufficient, utilizes the master controller control adjust the positive output of conveyer belt to carry ripe fruit extremely on the first reposition of redundant personnel conveyer belt, when the maturity that data acquisition device judged fruit is not enough, utilize the master controller control adjust the reverse output of conveyer belt, thereby carry immature fruit extremely on the second reposition of redundant personnel conveyer belt, thereby the classification of the completion fruit maturity of autonomy.
The number of the main conveying belts is multiple, the main conveying belts are arranged in parallel, the number of the data acquisition devices is multiple, and each data acquisition device corresponds to one main conveying belt respectively.
The quantity of main conveyer belt with data acquisition device's quantity is a plurality of for can detect a plurality of fruits simultaneously.
The adjusting support comprises a connecting plate, an electric push rod, a turnover seat, a turnover device, a rotating seat and a transverse plate, the connecting plate is detachably connected with the data acquisition room, the mounting end of the electric push rod is detachably connected with the connecting plate, the pushing end of the electric push rod is provided with the turnover seat, the end, far away from the electric push rod, of the turnover seat is provided with the turnover device and a turnover frame, the rotating seat is movably connected with the turnover frame, the output end of the turnover device corresponds to the rotating seat, the end, far away from the turnover seat, of the rotating seat is provided with the transverse plate, and the transverse plate is provided with a plurality of data acquisition devices.
After the fruits are conveyed to the data acquisition room through the main conveying belt, the electric push rod drives the overturning seat to descend, and the overturning device drives the mounting seat to rotate, so that the data acquisition device is attached to the fruits to be detected, and data acquisition is carried out on the fruits.
The transverse plate comprises a plate body and installation blocks, the plate body is detachably connected with the rotating seat, a plurality of installation blocks are uniformly arranged on the plate body, and each data acquisition device is detachably connected with one installation block.
The plate body is mounted on the rotating seat through screws, and each data acquisition device is mounted on the corresponding mounting block through screws.
Wherein each data acquisition device comprises a shell, a storage battery, a main control board, a singlechip, an analog-to-digital conversion chip, a wireless module and a spectrum sensor, the storage battery and the main control board are arranged in the shell, the spectrum sensor is arranged at one end of the shell, the main control board is integrated with the single chip microcomputer, the analog-to-digital conversion chip and the wireless module, the spectrum sensor and the main control board are both electrically connected with the storage battery, the information output end of the spectrum sensor is connected with the information input end of the analog-to-digital conversion chip, the information output end of the analog-to-digital conversion chip is connected with the information input end of the singlechip, the information input end of the wireless module is connected with the information output end of the singlechip, and the information output end of the wireless module is connected with the information input ends of the master controller and the mobile phone end.
The spectrum sensor is used for obtaining spectrum data in a range, the analog quantity transmitted by the spectrum sensor is converted into digital quantity by the analog-to-digital conversion chip according to the collected data, the digital quantity is uploaded to the single chip microcomputer, the single chip microcomputer is used for analyzing the light absorption degree of fruit skin chlorophyll at the position of 680nm to obtain the content of the fruit skin surface chlorophyll, and therefore after the fruit maturity is judged, the data are uploaded to the main controller and the mobile phone end through the wireless module and displayed and analyzed on the mobile phone end.
The invention also provides a fruit maturity detection method adopting the fruit maturity detection system based on the micro spectral sensor, which comprises the following steps:
respectively placing a plurality of fruits on different main conveyor belts, and conveying the fruits into the data acquisition room for detection;
acquiring a range spectrum data by using the spectrum sensor;
converting the acquired data into analog quantity transmitted by the spectrum sensor by using the analog-to-digital conversion chip, and uploading the digital quantity to the singlechip;
analyzing the light absorption degree of fruit surface chlorophyll at 680nm by using the single chip microcomputer to obtain the content of the chlorophyll on the surface of the fruit skin, so as to judge the fruit maturity, uploading data to the main controller and the mobile phone terminal by using the wireless module, and displaying and analyzing the data on the mobile phone terminal;
meanwhile, when the single chip microcomputer judges that the ripeness of the fruits is sufficient, the main controller is used for controlling the forward output of the adjusting conveying belt, so that the ripened fruits are conveyed to the first shunting conveying belt;
when the single chip microcomputer judges that the ripeness of the fruits is insufficient, the main controller is used for controlling the adjusting conveyor belt to reversely output, so that the unripe fruits are conveyed to the second shunting conveyor belt, and the classification of the ripeness of the fruits can be automatically completed.
The invention relates to a fruit maturity detection system and method based on a miniature spectral sensor, wherein an adjusting conveyer belt is arranged between a main conveyer belt and a first shunt conveyer belt as well as a second shunt conveyer belt, one end of the adjusting conveyer belt corresponds to the first shunt conveyer belt, the other end of the adjusting conveyer belt corresponds to the second shunt conveyer belt, the information output end of a data acquisition device is connected with the information input end of a main controller, the information output end of the main controller is connected with the information input end of the adjusting conveyer belt, fruits are placed on the main conveyer belt and conveyed to a data acquisition chamber for detection, the spectral data of the fruits are acquired by the data acquisition device and analyzed, the acquired data result is output to the main controller, when the data acquisition device judges that the maturity of the fruits is sufficient, utilize the master controller control adjust the conveyer belt forward output to carry ripe fruit to on the first reposition of redundant personnel conveyer belt, when data acquisition device judges that the maturity of fruit is not enough, utilize the master controller control adjust the reverse output of conveyer belt, thereby carry immature fruit to on the second reposition of redundant personnel conveyer belt, thereby from the categorised of the completion fruit maturity of can.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fruit maturity detection system based on a micro-spectrum sensor provided by the invention.
Fig. 2 is a sectional view showing the internal structure of a data acquisition room provided by the present invention.
Fig. 3 is a schematic structural diagram of an adjusting bracket provided by the invention.
Fig. 4 is an enlarged view of a portion of the structure of fig. 3 a according to the present invention.
FIG. 5 is a schematic diagram of a fruit ripeness detecting method using a micro-spectral sensor based fruit ripeness detecting system according to the present invention.
FIG. 6 is a flow chart illustrating the steps of the fruit maturity detection method using the fruit maturity detection system based on micro-spectral sensor according to the present invention.
1-a placing rack, 2-a main controller, 3-a main conveyer belt, 4-a data acquisition chamber, 41-a light source, 5-an adjusting bracket, 51-a connecting plate, 52-an electric push rod, 53-a turning seat, 531-a turning frame, 5311-a connecting piece, 5312-a through hole, 5313-a fixing plate, 5314-a vertical plate, 54-a turning device and 541-a motor, 542-a gear reduction box, 543-an output shaft, 544-a clamping block, 545-a clamping groove, 55-a rotating seat, 551-a seat body, 552-a rotating shaft, 56-a transverse plate, 561-a plate body, 562-an installation block, 6-a data acquisition device, 61-a shell, 7-an adjusting conveying belt, 8-a first shunting conveying belt and 9-a second shunting conveying belt.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides a fruit maturity detection system based on a micro spectrum sensor, the fruit maturity detection system based on a micro spectrum sensor includes a rack 1, a main controller 2, a main conveyor belt 3, a data collection chamber 4, an adjustment bracket 5, a data collection device 6, an adjustment conveyor belt 7, a first shunt conveyor belt 8 and a second shunt conveyor belt 9, the main conveyor belt 3 is disposed at one end of the rack 1, the first shunt conveyor belt 8 and the second shunt conveyor belt 9 are disposed at the other end of the rack 1, the first shunt conveyor belt 8 and the second shunt conveyor belt 9 are disposed in parallel, the adjustment conveyor belt 7 is disposed at one end of the first shunt conveyor belt 8 and the second shunt conveyor belt 9 close to the main conveyor belt 3, one end of the adjustment conveyor belt 7 corresponds to the first shunt conveyor belt 8, the other end of the adjusting conveyer belt 7 corresponds to the second shunt conveyer belt 9;
the top of main conveyer belt 3 is provided with data acquisition room 4, the inside of data acquisition room 4 is provided with adjust support 5 and light source 41, be provided with on adjusting support 5 data acquisition device 6, the information output of data acquisition device 6 with the information input part of master controller 2 is connected, the information output of master controller 2 with the information input part of adjusting conveyer belt 7 is connected.
In this embodiment, place fruit on main conveyer belt 3, carry to detect in the data acquisition room 4, utilize data acquisition device 6 gathers the spectral data of fruit, and the analysis carries out, exports the data result who obtains to master controller 2 department, works as when data acquisition device 6 judges the maturity of fruit is sufficient, utilizes master controller 2 control adjust conveyer belt 7 forward output to carry ripe fruit to on the first reposition of redundant personnel conveyer belt 8, when data acquisition device 6 judges the maturity of fruit is not enough, utilize master controller 2 control adjust conveyer belt 7 reverse output, thereby carry immature fruit to on the second reposition of redundant personnel conveyer belt 9 to the classification of the completion fruit maturity of self-enabling.
Further, the number of the main conveyor belts 3 is plural, the main conveyor belts 3 are arranged in parallel, the number of the data acquisition devices 6 is plural, and each data acquisition device 6 corresponds to one main conveyor belt 3.
In the present embodiment, the number of the main conveyor belts 3 and the number of the data acquisition devices 6 are plural, so that a plurality of fruits can be detected at the same time.
Further, the adjusting bracket 5 comprises a connecting plate 51, an electric push rod 52, a turning seat 53, a turning device 54, a rotating seat 55 and a transverse plate 56, the connecting plate 51 is detachably connected with the data acquisition chamber 4, the mounting end of the electric push rod 52 is detachably connected with the connecting plate 51, the pushing end of the electric push rod 52 is provided with the turning seat 53, one end of the turning seat 53, which is far away from the electric push rod 52, is provided with the turning device 54 and a turning frame 531, the rotating seat 55 is movably connected with the turning frame 531, the output end of the turning device 54 corresponds to the rotating seat 55, one end of the rotating seat 55, which is far away from the turning seat 53, is provided with the transverse plate 56, the transverse plate 56 is provided with a plurality of data acquisition devices 6, the transverse plate 56 comprises a plate body 561 and a mounting block 562, and the plate body is detachably connected with the rotating seat 55, the plate body 561 is uniformly provided with a plurality of the mounting blocks 562, and each data acquisition device 6 is detachably connected with one of the mounting blocks 562.
In this embodiment, after fruits are conveyed into the data acquisition chamber 4 through the main conveyor belt 3, the electric push rod 52 drives the turning seat 53 to descend, the turning device 54 drives the rotating seat 55 to rotate, so that the data acquisition device 6 is attached to the fruits to be detected, data acquisition is performed on the fruits, the plate body 561 is installed on the rotating seat 55 through screws, and each data acquisition device 6 is installed on the corresponding installation block 562 through screws.
Further, the rotating base 55 includes a base 551 and a rotating shaft 552, the tilting frame 531 includes two connectors 5311, each connector 5311 is connected to the tilting base 53 by a screw, each connector 5311 is provided with a through hole 5312, the base 551 is located between the two connectors 5311, two sides of the base 551 are provided with the rotating shafts 552, and each rotating shaft 552 penetrates through one through hole 5312.
In this embodiment, the two connectors 5311 are respectively placed on two sides of the base 551, the two connectors 5311 are moved to make the rotation shaft 552 pass through the corresponding through hole 5312, at this time, the base 551 is located between the two connectors 5311, and the two connectors 5311 are fixed on the turning base 53 by screws, so that the rotation base 55 is movably connected with the turning frame 531.
Furthermore, each connecting piece 5311 includes a fixing plate 5313 and a vertical plate 5314, the fixing plate 5313 is connected to the turnover seat 53 by a screw, the vertical plate 5314 is fixedly connected to the fixing plate 5313 and perpendicular to the fixing plate 5313, and the vertical plate 5314 is provided with the through hole 5312.
In this embodiment, the fixing plate 5313 is fixedly connected to the vertical plate 5314, and is made by an integral molding technique to have a more stable structure.
Further, the turning device 54 includes a motor 541, a gear reduction box 542 and an output shaft 543, the motor 541 is detachably connected to the turning base 53, the gear reduction box 542 is disposed at an output end of the motor 541, the output shaft 543 is disposed at an output end of the gear reduction box 542, a fastening block 544 is disposed at an end of the output shaft 543 away from the gear reduction box 542, a fastening groove 545 is disposed on one of the rotating shafts 552, and the fastening block 544 is matched with the fastening groove 545.
In this embodiment, after the output rotation speed of the motor 541 is reduced by using the gear reduction box 542, the engaging block 544 is driven to rotate by the output shaft 543, so as to drive the rotating seat 55 to rotate, thereby adjusting the position of the data acquisition device 6, so that the spectrum sensor corresponds to the skin of the fruit.
Furthermore, each data acquisition device 6 comprises a shell 61, a storage battery, a main control board, a single chip microcomputer, an analog-to-digital conversion chip, a wireless module and a spectrum sensor, the storage battery and the main control board are arranged in the shell 61, the spectrum sensor is arranged at one end of the shell 61, the main control board is integrated with the single chip microcomputer, the analog-to-digital conversion chip and the wireless module, the spectrum sensor and the main control board are both electrically connected with the storage battery, the information output end of the spectrum sensor is connected with the information input end of the analog-to-digital conversion chip, the information output end of the analog-to-digital conversion chip is connected with the information input end of the singlechip, the information input end of the wireless module is connected with the information output end of the singlechip, and the information output end of the wireless module is connected with the master controller 2 and the information input end of the mobile phone end.
In this embodiment, a spectrum sensor is used for acquiring spectrum data in a range, the acquired data is converted into digital quantity by the analog-to-digital conversion chip, the digital quantity is uploaded to the single chip microcomputer, the single chip microcomputer is used for analyzing the light absorption degree of fruit skin chlorophyll at 680nm to obtain the content of the fruit skin surface chlorophyll, and after the fruit maturity is judged, the data is uploaded to the main controller 2 and the mobile phone terminal through the wireless module and displayed and analyzed on the mobile phone terminal.
Referring to fig. 6, the present invention further provides a fruit maturity detection method using the fruit maturity detection system based on micro spectral sensor, which includes the following steps:
s1: placing a plurality of fruits on different main conveyor belts 3 respectively, and conveying the fruits into the data acquisition room 4 for detection;
s2: acquiring a range spectrum data by using the spectrum sensor;
s3: converting the acquired data into analog quantity transmitted by the spectrum sensor by using the analog-to-digital conversion chip, and uploading the digital quantity to the singlechip;
s4: analyzing the light absorption degree of fruit surface chlorophyll at 680nm by using the single chip microcomputer to obtain the content of the chlorophyll on the surface of the fruit peel, so as to judge the fruit maturity, uploading data to the main controller 2 and the mobile phone terminal by using the wireless module, and displaying and analyzing the data on the mobile phone terminal;
s5: meanwhile, when the single chip microcomputer judges that the ripeness of the fruits is sufficient, the main controller 2 is used for controlling the forward output of the adjusting conveyer belt 7, so that the ripened fruits are conveyed to the first shunting conveyer belt 8;
s6: when the single chip microcomputer judges that the ripeness of the fruits is insufficient, the main controller 2 is used for controlling the adjusting conveyer belt 7 to reversely output, so that the unripe fruits are conveyed to the second shunting conveyer belt 9, and the classification of the ripeness of the fruits can be automatically completed.
The spectrum sensor is a C12666MA spectrum sensor, the single chip microcomputer is an STM32F407 single chip microcomputer, the analog-to-digital conversion chip is an ADS1263 analog-to-digital conversion chip, the wireless module is an ESP8266WIFI chip, and the light source 41 is a white LED lamp. Respectively placing a plurality of fruits on different main conveyor belts 3, conveying the fruits into the data acquisition room 4, turning on the light source 41 for detection, acquiring spectrum data in a range by using the spectrum sensor (C12666MA), converting analog quantity transmitted by the spectrum sensor (C12666MA) into digital quantity by using the analog-to-digital conversion chip (ADS1263) for the acquired data, uploading the digital quantity to the single chip microcomputer (STM32F407), analyzing the light absorption degree of fruit skin chlorophyll at 680nm by using the single chip microcomputer (STM32F407) to obtain the content of the fruit skin surface chlorophyll, so as to judge the ripeness of the fruits, uploading the data to the main controller 2 and the mobile phone end by using the wireless module (ESP8266WIFI chip), displaying and analyzing the data on the mobile phone end, and controlling the main controller 2 to output the adjusting conveyor belt 7 forwards when the single chip microcomputer (STM32F407) judges that the ripeness of the fruits is sufficient, thereby carry ripe fruit to on the first reposition of redundant personnel conveyer belt 8, when the singlechip (STM32F407) judges the maturity of fruit not enough, utilize the master controller 2 control adjust conveyer belt 7 reverse output to carry immature fruit to on the second reposition of redundant personnel conveyer belt 9, thereby from the categorised of the completion fruit maturity of can changing.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A fruit maturity detection system based on a micro-spectrum sensor is characterized in that,
the fruit maturity detection system based on the miniature spectral sensor comprises a placing frame, a main controller, a main conveying belt, a data acquisition room, an adjusting bracket, a data acquisition device, an adjusting conveying belt, a first shunt conveying belt and a second shunt conveying belt, wherein the main conveying belt is arranged at one end of the placing frame, the first shunt conveying belt and the second shunt conveying belt are arranged at the other end of the placing frame, the first shunt conveying belt and the second shunt conveying belt are arranged in parallel, the adjusting conveying belt is arranged at one end, close to the main conveying belt, of the first shunt conveying belt and the second shunt conveying belt, one end of the adjusting conveying belt corresponds to the first shunt conveying belt, and the other end of the adjusting conveying belt corresponds to the second shunt conveying belt;
the top of main conveyer belt is provided with the data acquisition room, the inside of data acquisition room is provided with adjust support and light source, it is provided with on the regulation support data acquisition device, data acquisition device's information output end with the information input end of master controller is connected, the information output end of master controller with the information input end of adjusting the conveyer belt is connected.
2. The micro-spectroscopic sensor based fruit maturity detection system of claim 1,
the number of the main conveying belts is multiple, the main conveying belts are arranged in parallel, the number of the data acquisition devices is multiple, and each data acquisition device corresponds to one main conveying belt respectively.
3. The micro-spectroscopic sensor based fruit maturity detection system of claim 2,
the adjusting support comprises a connecting plate, an electric push rod, a turnover seat, a turnover device, a rotating seat and a transverse plate, the connecting plate is detachably connected with the data acquisition room, the mounting end of the electric push rod is detachably connected with the connecting plate, the pushing end of the electric push rod is provided with the turnover seat, the turnover seat is far away from one end of the electric push rod and is provided with the turnover device and a turnover frame, the rotating seat is movably connected with the turnover frame, the output end of the turnover device corresponds to the rotating seat, the rotating seat is far away from one end of the turnover seat and is provided with the transverse plate, and the transverse plate is provided with a plurality of data acquisition devices.
4. The micro-spectroscopic sensor based fruit maturity detection system of claim 3,
the diaphragm includes plate body and installation piece, the plate body with rotate the seat and dismantle and connect, evenly be provided with a plurality ofly on the plate body the installation piece, every the data acquisition device respectively with one the installation piece is dismantled and is connected.
5. The micro-spectroscopic sensor based fruit maturity detection system of claim 4,
each data acquisition device comprises a shell, a storage battery, a main control board, a singlechip, an analog-to-digital conversion chip, a wireless module and a spectrum sensor, the storage battery and the main control board are arranged in the shell, the spectrum sensor is arranged at one end of the shell, the main control board is integrated with the single chip microcomputer, the analog-to-digital conversion chip and the wireless module, the spectrum sensor and the main control board are both electrically connected with the storage battery, the information output end of the spectrum sensor is connected with the information input end of the analog-to-digital conversion chip, the information output end of the analog-to-digital conversion chip is connected with the information input end of the singlechip, the information input end of the wireless module is connected with the information output end of the singlechip, and the information output end of the wireless module is connected with the information input ends of the master controller and the mobile phone end.
6. A fruit maturity detection method using the fruit maturity detection system based on micro spectral sensor of claim 5 characterized by the following steps:
respectively placing a plurality of fruits on different main conveyor belts, and conveying the fruits into the data acquisition room for detection;
acquiring a range spectrum data by using the spectrum sensor;
converting the acquired data into analog quantity transmitted by the spectrum sensor by using the analog-to-digital conversion chip, and uploading the digital quantity to the singlechip;
analyzing the light absorption degree of fruit surface chlorophyll at 680nm by using the single chip microcomputer to obtain the content of the chlorophyll on the surface of the fruit skin, so as to judge the fruit maturity, uploading data to the main controller and the mobile phone terminal by using the wireless module, and displaying and analyzing the data on the mobile phone terminal;
meanwhile, when the single chip microcomputer judges that the ripeness of the fruits is sufficient, the main controller is used for controlling the forward output of the adjusting conveying belt, so that the ripened fruits are conveyed to the first shunting conveying belt;
when the single chip microcomputer judges that the ripeness of the fruits is insufficient, the main controller is used for controlling the adjusting conveyor belt to reversely output, so that the unripe fruits are conveyed to the second shunting conveyor belt, and the classification of the ripeness of the fruits can be automatically completed.
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