CN113418870A - Fruit quality detection system - Google Patents
Fruit quality detection system Download PDFInfo
- Publication number
- CN113418870A CN113418870A CN202110445487.4A CN202110445487A CN113418870A CN 113418870 A CN113418870 A CN 113418870A CN 202110445487 A CN202110445487 A CN 202110445487A CN 113418870 A CN113418870 A CN 113418870A
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- CN
- China
- Prior art keywords
- portal frame
- conveyor belt
- detection unit
- pesticide residue
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000000447 pesticide residue Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000012153 distilled water Substances 0.000 description 5
- 240000007643 Phytolacca americana Species 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
Abstract
The invention discloses a fruit quality detection system, which comprises a conveyor belt, a color detection unit, a pesticide residue detection unit, a drying unit and a control box, wherein the color detection unit also comprises a portal frame; the rear part of the conveying belt is also provided with a pesticide residue detection unit and a drying unit, the pesticide residue detection unit also comprises a cover body and a spray nozzle, the cover body is arranged on the conveying belt, the spray nozzle is arranged on the inner top surface and connected with a liquid supply system, a liquid collecting hopper is arranged below the cover body, and a conductivity meter is arranged on a liquid outlet on the bottom surface of the liquid collecting hopper; the portal frame is used for installing the RGB sensor to detect the color of the fruit, the detection speed is high, the detection standard is easy to unify, and the detection efficiency is high; and spraying water to the fruits by using the spray head, detecting the conductivity of the sprayed water, and when the pesticide residue of the fruits exceeds the standard, detecting the value of the conductivity meter exceeds the allowable deviation range, so that the fruits with the pesticide residue exceeding the standard can be accurately obtained.
Description
Technical Field
The invention relates to the field of agricultural product quality detection, in particular to a fruit quality detection system.
Background
Fruit need carry out quality testing and letter sorting after picking the completion, and the quality testing's of fruit detection item is various, for example epidermis colour, pesticide residue etc. and the epidermis colour detects if carry out artifical detection not only wastes time and energy and still can cause the quality to be uneven because of the quality standard is difficult to unify, and during the pesticide residue detects, if examine with wiping method entirely, then working strength is big, and it is troublesome, uses the sampling to detect and leads to the fact the hourglass to examine easily again.
Disclosure of Invention
[3] In view of the problems in the prior art, the invention discloses a fruit quality detection system which comprises a conveyor belt, a color detection unit, a pesticide residue detection unit, a drying unit and a control box, wherein the color detection unit also comprises a portal frame, the portal frame is an n-shaped frame and is arranged on two sides of the conveyor belt, the portal frame is provided with an RGB sensor and a poking-off mechanism, the RGB sensor can detect the skin color of fruits, the poking-off mechanism can poke off unqualified fruits, two sides of the conveyor belt are provided with auxiliary conveyor belts, the auxiliary conveyor belts are in the same direction as the conveyor belt, and the auxiliary conveyor belts correspond to the poking-off mechanism in position; the rear part of the conveying belt is also provided with the pesticide residue detection unit and the drying unit, the pesticide residue detection unit further comprises a cover body and a spray head, the cover body is installed on the conveying belt, the spray head is installed on the inner top surface, the spray head is connected with a liquid supply system, a liquid collecting hopper is installed below the cover body, a liquid outlet is formed in the bottom surface of the liquid collecting hopper, a conductivity meter is arranged on the liquid outlet and can detect the conductivity of flushing liquid in real time, so that the pesticide residue situation on fruits is obtained, the liquid outlet is connected with a water treatment system, notches are formed in two sides of the cover body, and the drying unit is arranged on the right side of the pesticide residue detection unit; the control box is internally provided with a microprocessor which is electrically connected with the conveyor belt, the RGB sensor, the auxiliary conveyor belt and the conductivity meter.
As a preferred technical scheme of the present invention, the portal frame comprises a first portal frame and a second portal frame, the RGB sensors are mounted on the facing surfaces of the first portal frame and the second portal frame, the RGB sensors are installed in an inclined manner, so that the detection blind area can be reduced by bidirectional detection, the detection area of the two RGB sensors can be larger by the inclined installation, and the detection overlapping area is smaller; the second portal frame is provided with the poking-off mechanism, and unqualified products can be poked to the auxiliary conveyor belt.
As a preferred technical solution of the present invention, a second photoelectric sensor is installed between the first portal frame and the second portal frame, so that the detection time of the RGB sensors can be more accurate, and the distance between the second photoelectric sensor and the two RGB sensors is the same.
As a preferred technical scheme of the invention, the poking-off mechanism comprises a motor, a connecting rod and a poking sheet, a rack is arranged on the top surface of the second gantry, a mounting seat is arranged on the side surface of the second gantry, the poking sheet is connected below the mounting seat through the connecting rod, a cushion pad is arranged on the poking sheet to prevent the skin of fruits from being damaged, the motor is arranged above the mounting seat, a gear is arranged on an output shaft of the motor, the gear is meshed with the rack, and the motor is electrically connected with the microprocessor.
As a preferred technical scheme of the invention, the drying unit comprises a box body, an air inlet and a fan, the fan is arranged on the top surface of the box body and communicated with the box body, the air inlet is formed in the bottom surface of the box body, an electric heating wire is arranged on the side wall of the air inlet and can heat air entering the box body, the drying effect is optimized, and the electric heating wire is electrically connected with the microprocessor.
As a preferred technical scheme of the invention, the photoelectric sensor is arranged at the front end of the cover body, the electromagnetic valve is arranged at the front end of the spray head, the photoelectric sensor and the electromagnetic valve are electrically connected with the microprocessor, and distilled water can be sprayed when fruits enter, so that not only can water resources be saved, but also the detection time period of the conductivity meter can be shortened, and the detection result is more accurate.
The invention has the beneficial effects that: according to the invention, the portal frame is used for installing the RGB sensor to detect the color of the fruit, the detection speed is high, the detection standard is easy to unify, and the detection efficiency is high; and spraying water to the fruits by using the spray head, detecting the conductivity of the sprayed water, and when the pesticide residue of the fruits exceeds the standard, detecting the value of the conductivity meter exceeds the allowable deviation range, so that the fruits with the pesticide residue exceeding the standard can be accurately obtained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a color detecting unit according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention.
Detailed Description
Example 1
As shown in fig. 1-3, in the drawings: the device comprises a conveying belt 1, a color detection unit 2, a pesticide residue detection unit 3, a drying unit 4, a first portal frame 5, a RGB (red, green and blue) sensor 6, a second portal frame 7, an auxiliary conveying belt 8, a rack 9, a gear 10, a motor 11, a mounting seat 12, a connecting rod 13, a plectrum 14, a spray head 15, a photoelectric sensor 16, a conductivity meter 17, a liquid outlet 18, an air inlet 19 and a fan 20.
The invention discloses a fruit quality detection system, which comprises a conveyor belt 1, a color detection unit 2, a pesticide residue detection unit 3, a drying unit 4 and a control box, wherein the color detection unit 2 further comprises a portal frame, the portal frame is an n-shaped frame and is arranged on two sides of the conveyor belt 1, an RGB (red, green and blue) sensor 6 and a poking-off mechanism are arranged on the portal frame, auxiliary conveyor belts 8 are arranged on two sides of the conveyor belt 1, the auxiliary conveyor belts 8 are in the same direction as the conveyor belt 1, the auxiliary conveyor belts 8 correspond to the poking-off mechanism in position, unqualified color detection products can be poked onto the auxiliary conveyor belts 8 through the poking-off mechanism to realize shunting, and the labor intensity of workers is reduced; the rear part of the conveyor belt 1 is also provided with the pesticide residue detection unit 3 and the drying unit 4, the pesticide residue detection unit 3 further comprises a cover body and a spray head 15, the cover body is arranged on the conveyor belt 1, the inner top surface is provided with the spray head 15, the spray head 15 is connected with a liquid supply system, the liquid supply system is connected with a distilled water storage tank, a liquid collecting hopper is arranged below the cover body, a liquid outlet 18 is arranged at the bottom surface of the liquid collecting hopper, a conductivity meter 17 is arranged on the liquid outlet 18, the liquid outlet 18 is connected with a water treatment system, two sides of the cover body are provided with notches for the conveying belt 1 and the fruits to pass through, the right side of the pesticide residue detection unit 3 is provided with a drying unit 4, the drying unit 4 is connected with the cover body and communicated with the cover body through the notch, the notch is provided with a waterproof curtain, so that the mutual influence of the distilled water sprayed by the spray head 15 and the drying unit 4 is reduced; the control box is internally provided with a microprocessor which is electrically connected with the conveyor belt 1, the RGB sensor 6, the auxiliary conveyor belt 8 and the conductivity meter 17.
As a preferred technical scheme of the present invention, the portal frame comprises a first portal frame 5 and a second portal frame 7, the RGB sensors 6 are mounted on the facing surfaces of the first portal frame 5 and the second portal frame 7, and the RGB sensors 6 are mounted in an inclined manner by 45 degrees, so as to increase the detection area and reduce the repeated detection area; the second portal frame 7 is provided with the poking-off mechanism.
As a preferred technical solution of the present invention, a second photoelectric sensor is installed between the first gantry 5 and the second gantry 7, and the distance between the second photoelectric sensor and the two RGB sensors 6 is the same.
As a preferred technical scheme of the invention, the poking-off mechanism comprises a motor 11, a connecting rod 13 and a poking piece 14, a rack 9 is arranged on the top surface of the second portal frame 7, a mounting seat 12 is arranged on the side surface of the second portal frame, the lower part of the mounting seat 12 is connected with the poking piece 14 through the connecting rod 13, a silica gel layer is wrapped on the outer part of the poking piece 14, the motor 11 is arranged above the mounting seat 12, a gear 10 is arranged on an output shaft of the motor 11, the gear 10 is meshed with the rack 9, the motor 11 can rotate, the connecting rod 13 and the poking piece 14 can move on the rack 9 through the movement of the gear 10 to poke unqualified fruits, and the motor 11 is electrically connected with the microprocessor.
As a preferred technical scheme of the invention, the drying unit 4 comprises a box body, an air inlet 19 and a fan 20, the fan 20 is arranged on the top surface of the box body and communicated with the box body, the air inlet 9 is arranged on the bottom surface of the box body, an electric heating wire is arranged on the side wall of the air inlet 9, and the electric heating wire is electrically connected with the microprocessor.
As a preferable technical scheme of the invention, the front end of the cover body is provided with a photoelectric sensor 16, the front end of the spray head 15 is provided with an electromagnetic valve, and the photoelectric sensor 16 and the electromagnetic valve are electrically connected with the microprocessor.
The working principle of the invention is as follows: the fruit which is cleaned of mud is placed on the conveyor belt 1, the conveyor belt 1 conveys the fruit to the color detection unit 2, when the second photoelectric sensor detects a position signal, the fruit reaches a detection point of the color detection unit 2, RGB sensors on the first portal frame 5 and the second portal frame 7 detect the color of the fruit, the color signal is transmitted to the microprocessor, the microprocessor compares the color of the fruit with a standard color gamut, if the color is qualified, the fruit is continuously conveyed, if the color is unqualified, the motor 11 is started, the motor 11 moves along the rack 9 through the gear 10, and meanwhile, the unqualified fruit is shifted to the auxiliary conveyor belt 8 through the mounting seat 12, the connecting rod 13 and the shifting piece 14 to realize separation; fruit after color detection continues to be conveyed along the conveyor belt 1 or the auxiliary conveyor belt 8, when the photoelectric sensor 16 detects an article signal, the electromagnetic valve of the spray head 15 is started, the spray head 15 sprays distilled water, the distilled water washes the fruit and then flows out through the liquid outlet 18, the conductivity of the washing liquid is detected by the conductivity meter 17 in the flowing-out process, if the pesticide residue is too large, the conductivity of the washing water exceeds a set deviation range, the conveyor belt 1 or the auxiliary conveyor belt 8 stops conveying, unqualified products are taken out by workers and then continuously conveyed, the qualified products enter the drying unit 4, the fan 20 heats the outside air through the air inlet 19 and then sucks the outside air into the drying unit through the heating wire, and the fruit is dried.
The microprocessor adopts an STM32 chip for starting and stopping a motor, switching on and off a valve and processing data, and STM32 pins and connection modes can be obtained by the conventional means adopted by the technical staff in the field by referring to technical manuals published by textbooks or manufacturers, and the circuit connection related to the invention can be obtained through limited tests, thereby belonging to the common knowledge.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. A fruit quality detection system which characterized in that: the device comprises a conveyor belt (1), a color detection unit (2), a pesticide residue detection unit (3), a drying unit (4) and a control box, wherein the color detection unit (2) further comprises a portal frame, the portal frame is an n-shaped frame and is arranged on two sides of the conveyor belt (1), an RGB (red, green and blue) sensor (6) and a poking-off mechanism are arranged on the portal frame, auxiliary conveyor belts (8) are arranged on two sides of the conveyor belt (1), the auxiliary conveyor belts (8) and the conveyor belt (1) are in the same direction, and the auxiliary conveyor belts (8) correspond to the poking-off mechanism in position; the pesticide residue detection unit (3) and the drying unit (4) are further arranged at the rear part of the conveyor belt (1), the pesticide residue detection unit (3) further comprises a cover body and a spray head (15), the cover body is installed on the conveyor belt (1), the spray head (15) is installed on the inner top surface, the spray head (15) is connected with a liquid supply system, a liquid collecting hopper is installed below the cover body, a liquid outlet (18) is formed in the bottom surface of the liquid collecting hopper, a conductivity meter (17) is arranged on the liquid outlet (18), the liquid outlet (18) is connected with a water treatment system, notches are formed in two sides of the cover body, and the drying unit (4) is arranged on the right side of the pesticide residue detection unit (3); the control box is internally provided with a microprocessor, and the microprocessor is electrically connected with the conveyor belt (1), the RGB sensor (6), the auxiliary conveyor belt (8) and the conductivity meter (17).
2. A fruit quality detection system according to claim 1, wherein: the portal frames comprise a first portal frame (5) and a second portal frame (7), the RGB sensors (6) are mounted on the opposite surfaces of the first portal frame (5) and the second portal frame (7), and the RGB sensors (6) are mounted in an inclined mode at 45 degrees; the second portal frame (7) is provided with the poking-off mechanism.
3. A fruit quality detection system according to claim 2, wherein: and a second photoelectric sensor is arranged between the first portal frame (5) and the second portal frame (7), and the distance between the second photoelectric sensor and the two RGB sensors (6) is the same.
4. A fruit quality detection system according to claim 2, wherein: dial away from mechanism and include motor (11), connecting rod (13) and plectrum (14), rack (9) are equipped with to second portal frame (7) top surface, and mount pad (12) are equipped with to the side, plectrum (14) are connected through connecting rod (13) in mount pad (12) below, mount pad (12) top has motor (11), gear (10) are equipped with to motor (11) output shaft, gear (10) with rack (9) mesh mutually, motor (11) with microprocessor electrical property links to each other.
5. A fruit quality detection system according to claim 1, wherein: the drying unit (4) comprises a box body, an air inlet (19) and a fan (20), the fan (20) is arranged on the top surface of the box body and communicated with the box body, the air inlet (9) is formed in the bottom surface of the box body, an electric heating wire is arranged on the side wall of the air inlet (9), and the electric heating wire is electrically connected with the microprocessor.
6. A fruit quality detection system according to claim 1, wherein: photoelectric sensor (16) is equipped with to the cover body front end, shower nozzle (15) front end is equipped with the solenoid valve, photoelectric sensor (16) with the solenoid valve with microprocessor electrical property links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445487.4A CN113418870A (en) | 2021-04-25 | 2021-04-25 | Fruit quality detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445487.4A CN113418870A (en) | 2021-04-25 | 2021-04-25 | Fruit quality detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113418870A true CN113418870A (en) | 2021-09-21 |
Family
ID=77711941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110445487.4A Pending CN113418870A (en) | 2021-04-25 | 2021-04-25 | Fruit quality detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113418870A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007098204A (en) * | 2005-09-30 | 2007-04-19 | Yanmar Co Ltd | Agricultural chemical detecting device |
| CN202092599U (en) * | 2011-04-02 | 2011-12-28 | 北京神农谷科技有限公司 | Device for testing watermelon quality in online nondestructive manner |
| WO2012039597A2 (en) * | 2010-09-23 | 2012-03-29 | Universiti Putra Malaysia | Fruit ripeness grading system |
| CN105665301A (en) * | 2014-11-20 | 2016-06-15 | 四川克莱迪商贸有限责任公司 | Screening equipment for fruits |
| CN205484051U (en) * | 2016-02-01 | 2016-08-17 | 浙江大学 | Detection apparatus for citrus canker |
| CN106076890A (en) * | 2016-08-08 | 2016-11-09 | 北京农业智能装备技术研究中心 | Fruit corruption fruit on-line detecting system and method in early days |
| CN106442561A (en) * | 2016-08-29 | 2017-02-22 | 北京农业智能装备技术研究中心 | Online image acquisition system for detecting citrus skin defects and method |
| CN110881876A (en) * | 2019-06-25 | 2020-03-17 | 江苏顺发电器有限公司 | Ultrasonic plasma water quality detection fruit and vegetable cleaning machine |
| CN111220496A (en) * | 2020-03-11 | 2020-06-02 | 中国农业科学院农业信息研究所 | Apple quality detector and detection method |
-
2021
- 2021-04-25 CN CN202110445487.4A patent/CN113418870A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007098204A (en) * | 2005-09-30 | 2007-04-19 | Yanmar Co Ltd | Agricultural chemical detecting device |
| WO2012039597A2 (en) * | 2010-09-23 | 2012-03-29 | Universiti Putra Malaysia | Fruit ripeness grading system |
| CN202092599U (en) * | 2011-04-02 | 2011-12-28 | 北京神农谷科技有限公司 | Device for testing watermelon quality in online nondestructive manner |
| CN105665301A (en) * | 2014-11-20 | 2016-06-15 | 四川克莱迪商贸有限责任公司 | Screening equipment for fruits |
| CN205484051U (en) * | 2016-02-01 | 2016-08-17 | 浙江大学 | Detection apparatus for citrus canker |
| CN106076890A (en) * | 2016-08-08 | 2016-11-09 | 北京农业智能装备技术研究中心 | Fruit corruption fruit on-line detecting system and method in early days |
| CN106442561A (en) * | 2016-08-29 | 2017-02-22 | 北京农业智能装备技术研究中心 | Online image acquisition system for detecting citrus skin defects and method |
| CN110881876A (en) * | 2019-06-25 | 2020-03-17 | 江苏顺发电器有限公司 | Ultrasonic plasma water quality detection fruit and vegetable cleaning machine |
| CN111220496A (en) * | 2020-03-11 | 2020-06-02 | 中国农业科学院农业信息研究所 | Apple quality detector and detection method |
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