CN112998067A - Intelligent fruit and vegetable film coating device and method - Google Patents
Intelligent fruit and vegetable film coating device and method Download PDFInfo
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- CN112998067A CN112998067A CN202110083511.4A CN202110083511A CN112998067A CN 112998067 A CN112998067 A CN 112998067A CN 202110083511 A CN202110083511 A CN 202110083511A CN 112998067 A CN112998067 A CN 112998067A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
- G01B11/285—Measuring arrangements characterised by the use of optical techniques for measuring areas using photoelectric detection means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
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Abstract
The invention provides an intelligent fruit and vegetable film coating device and method, which comprises a material conveying module, a real-time sensing module, a targeted spraying module, a dynamic drying module and an electric control module, wherein the material conveying module is connected with the real-time sensing module; the real-time sensing module is arranged on the material conveying module and used for collecting the coated target fruit and vegetable image and carrying out image processing to obtain the size and the direction information of the coated target fruit and vegetable area and the time of reaching the target spraying module; the targeted spraying process is realized through a targeted spraying module; the dynamic drying module is used for realizing the rapid drying of the water in the coating. The invention realizes the automation, informatization and intellectualization of the film coating process and saves a large amount of manpower, material resources and financial resources for industrial production. The uniform and firm coating formed on the surface of the fruit and vegetable delays the quality reduction of the fruit and vegetable in the production and sale process, and greatly prolongs the shelf life of the fruit and vegetable. Meanwhile, the problems of bacterial breeding and membrane liquid waste of the traditional immersion bath are also avoided.
Description
Technical Field
The invention belongs to the technical field of fruit and vegetable fresh-keeping, and particularly relates to an intelligent film coating device and method for fruits and vegetables.
Background
The fruit and vegetable coating preservation refers to a preservation method that the coating preservative forms a layer of compact preservative film on the surface of fruits to create a proper 'microenvironment' for the fruits, so that the fruits and the vegetables are prevented from being infected by pathogenic bacteria, the consumption of nutrient substances is reduced, and finally the quality of the fruits and the vegetables is maintained and the shelf life of the fruits and the vegetables is prolonged.
At present, the industry usually adopts coating equipment operation to replace manual coating, and the related coating methods mainly comprise a dip coating method, a dripping coating method and a spraying method. For example, chinese utility model patent application No. CN201821141348.2 discloses a film coating machine for fruit preservation, which allows fruits to pass through a dip coating tank one by one to realize film coating of fruits; the utility model discloses a chinese utility model patent that application number is CN201620437422.X discloses an application of fruit vegetables vacuum coating machine, adopts the dip-coating frame of box form to load the fruit vegetables to the dip-coating frame is the unit and is filmed the fruit vegetables. Generally, the dip coating method is simple to operate, can be used for completely dip coating fruits and vegetables, and is widely applied. Although the film coating machines improve the film coating efficiency and the degree of mechanization, the film liquid in the immersion liquid tank is repeatedly used, so that bacteria are easy to breed, and a large amount of film liquid is taken away in the film coating process, so that the waste of the coating is caused. In addition, the automation and the low intelligent degree of the existing film coating machine are problems to be solved.
Disclosure of Invention
The invention aims to overcome the defects and provides the intelligent fruit and vegetable film coating device and the intelligent fruit and vegetable film coating method. The invention realizes the automation, informatization and intellectualization of the film coating process and saves a large amount of manpower, material resources and financial resources for industrial production. The uniform and firm coating formed on the surface of the fruit and vegetable delays the quality reduction of the fruit and vegetable in the production and sale process, and greatly prolongs the shelf life of the fruit and vegetable. Meanwhile, the problems of bacterial breeding and membrane liquid waste of the traditional immersion bath are also avoided.
The technical scheme of the invention is as follows: an intelligent fruit and vegetable film coating device comprises a material conveying module, a real-time sensing module, a targeted spraying module, a dynamic drying module and an electric control module;
the material conveying module is used for conveying the coated target fruits and vegetables; the real-time sensing module is arranged on the material conveying module and used for collecting the coated target fruit and vegetable image and carrying out image processing to obtain the size and the direction information of the coated target fruit and vegetable area and the time of reaching the target spraying module; the targeted spraying module comprises a spraying chamber, a plurality of electrostatic spray guns and an electromagnet; the spraying chamber is arranged on the material conveying module and is positioned behind the real-time sensing module, the electrostatic spray gun is arranged in the spraying chamber and is connected with the high-voltage electrostatic generator, an air inlet of the electrostatic spray gun is connected with the air compressor, a feed inlet of the electrostatic spray gun is connected with the coating barrel, and the electromagnet is arranged right in front of a nozzle of the electrostatic spray gun; the dynamic drying module is arranged on the material conveying module, is positioned behind the spraying chamber and is used for drying the coated fruits and vegetables; the electric control module comprises a PLC control cabinet, and the PLC control cabinet is connected with the real-time sensing module, the electrostatic spray gun and the electromagnet.
In the above scheme, the material conveying module comprises a first material conveying device, a second material conveying device and a third material conveying device which are connected in sequence; the real-time sensing module and the targeted spraying module are sequentially arranged on the first material conveying device along the conveying direction of the fruits and vegetables; the second material conveying device is inclined along the conveying direction of the fruits and the vegetables; and the dynamic drying module is arranged on the third material conveying device.
In the scheme, the real-time sensing module comprises a camera bellows, an LED light source, a photoelectric sensor, a CCD camera, an image acquisition card and an industrial computer; the camera bellows is installed on material transport module, CCD camera and LED light source are installed in the camera bellows, the CCD camera is used for gathering the interior fruit vegetables image of camera bellows, image acquisition card links to each other with the CCD camera for the image that the CCD camera was shot is received and stored, and conveys image signal to industrial computer, image processing is carried out after industrial computer receives image acquisition card's image signal, obtains the regional size of target fruit vegetables that film, position information and the time of arriving the target spraying region.
Further, the real-time sensing module further comprises a photoelectric sensor; the photoelectric sensor is installed at the outlet of the camera bellows and is connected with the CCD camera, and the photoelectric sensor detects that fruits and vegetables are in the camera bellows and serve as shooting starting signals of the CCD camera.
In the above scheme, the spray booth includes the insulation box, the insulation box is equipped with emergency exit and observation window.
In the scheme, the dynamic drying module comprises a drying chamber, a second air blowing device, a plurality of fast and medium wave infrared heating pipes and a control system; the drying chamber is arranged on the material conveying module, and the second air blowing device and the fast and medium wave infrared heating pipe are arranged in the drying chamber; and the control system is respectively connected with the second air blowing device and the controller of the fast and medium wave infrared heating pipe.
In the above scheme, the electromagnet is a U-shaped electromagnet.
The method for intelligently coating the film on the fruit and vegetable comprises the following steps:
the material conveying module conveys the coated target fruits and vegetables to the real-time sensing module, the targeted spraying module and the dynamic drying module in sequence; the real-time sensing module collects a target fruit and vegetable image of a film and processes the image, the industrial computer sends the size and the orientation information of the target fruit and vegetable area of the film and the time of reaching the target spraying module to the PLC control cabinet of the electric control module, and the PLC control cabinet sends an instruction according to the image processing result of the real-time sensing module to control the work of the electrostatic spray gun and the electromagnet and carry out target spraying on the target fruit and vegetable of the film; and the dynamic drying module is used for drying the coated fruits and vegetables.
In the above scheme, the operation of the PLC control cabinet controlling the electrostatic spray gun and the electromagnet according to the image processing result of the real-time sensing module is specifically:
when the real-time sensing module obtains that the area S of the target fruit and vegetable area coated with the film is 0, the target fruit and vegetable coated with the film is not detected, and the PLC control cabinet keeps the electrostatic spray gun and the electromagnet in a closed state;
when the real-time sensing module obtains that the area S of the target fruit and vegetable area of the film is larger than the set critical value delta S, the orientation information is not considered, the PLC control cabinet starts the electrostatic spray gun to work with large spray width, the electromagnet is kept in a closed state, and the whole conveying area is sprayed in an all-round way;
when the area S of the target fruit and vegetable area coated by the film obtained by the real-time sensing module is smaller than the set critical value delta S, the spray amplitude of the electrostatic spray gun is changed into small spray amplitude work, the electromagnet is started to work according to the azimuth information of the target fruit and vegetable, the movement track of the charged film liquid is interfered, and the target fruit and vegetable is sprayed in a targeted mode.
In the scheme, the temperature and the air flow rate in the dynamic drying module are determined according to the speed of the material conveying module, so that the moisture in the coating can be completely evaporated.
Compared with the prior art, the invention has the beneficial effects that: the intelligent fruit and vegetable film coating device can perform targeted film coating and quick drying on fruits and vegetables, and finally form a uniform coating on the surfaces of the fruits and vegetables, so that the mechanical damage in the transportation and sale process is relieved, the quality reduction of the fruits during storage is delayed, and the completeness and freshness of the picked fruits and vegetables are kept to the maximum extent. In the whole film coating process, the real-time sensing module of the intelligent fruit and vegetable film coating device can transmit the size and the direction information of the film-coated fruits and vegetables of the material conveying module to the target spraying module in advance; the targeted spraying module realizes targeted film coating on target fruits and vegetables by using a magnetic field, and the film liquid is firmly adsorbed on the surfaces of the fruits and vegetables by using the action of electrostatic force; the autorotation of the round roller on the material conveying module can drive the fruits and vegetables to turn over so as to achieve the optimal spraying effect; the dynamic drying module can evaporate moisture in the coating in a short time; the electric control module controls the work of the electrostatic spray gun and the electromagnet according to the image processing result of the real-time sensing module, and carries out targeted spraying on the target film-coated fruits and vegetables. The uniform and firm coating formed on the surface of the fruit and vegetable delays the quality reduction of the fruit and vegetable in the production and sale process, and greatly prolongs the shelf life of the fruit and vegetable. Meanwhile, the problems of bacterial breeding and membrane liquid waste of the traditional immersion bath are also avoided. The invention has high automation and intelligence degree, simple operation, paint saving and easy popularization.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent fruit and vegetable film coating device according to an embodiment of the invention;
FIG. 2 is a top view of an intelligent fruit and vegetable film coating device according to an embodiment of the invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is a schematic structural diagram of a drying module according to another view angle in an embodiment of the present invention.
In the figure: 1. a first material conveying device; 2. a second material conveying device; 3. a third material conveying device; 4. a drive sprocket; 5. a driven sprocket; 6. a driving wheel; 7. a conveyor chain; 8. a rotating shaft; 9. a dark box; 10, an LED light source; 11. a photosensor; 12, a CCD camera; 13. an image acquisition card; 14. an industrial computer; 15. a spray chamber; 16. a first blower device; 17. an electrostatic spray gun; 18. an electromagnet; 19. a safety door; 20. an insulating box body; 21. an observation window; 22. a drying chamber; 23. a second blower device; 24. an infrared heating pipe; 25. a control system; a PLC control cabinet.
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 "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 shows a preferred embodiment of the intelligent fruit and vegetable film coating device, which comprises a material conveying module, a real-time sensing module, a targeted spraying module, a dynamic drying module and an electronic control module.
The material conveying module is used for conveying the coated target fruits and vegetables; the real-time sensing module is arranged on the material conveying module and used for collecting the coated target fruit and vegetable image and carrying out image processing to obtain the size and the direction information of the coated target fruit and vegetable area and the time of reaching the target spraying area; the targeted spraying module comprises a spraying chamber 15, a plurality of electrostatic spray guns 17 and electromagnets 18; the spraying chamber 15 is arranged on the material conveying module and is positioned behind the real-time sensing module, the electrostatic spray gun 17 is arranged in the spraying chamber 15, the electrostatic spray gun 17 is connected with the high-voltage electrostatic generator, the air inlet of the electrostatic spray gun 17 is connected with the air compressor, the feed inlet of the electrostatic spray gun 17 is connected with the coating barrel, and the electromagnet 18 is arranged right in front of the nozzle of the electrostatic spray gun 17; the dynamic drying module is arranged on the material conveying module, is positioned behind the spraying chamber 15 and is used for drying the coated fruits and vegetables; the electric control module comprises a PLC control cabinet 26, and the PLC control cabinet 26 is connected with the real-time sensing module, the electrostatic spray gun 17 and the electromagnet 18.
As shown in fig. 1 and 2, the material conveying module includes a first material conveying device 1, a second material conveying device 2, and a third material conveying device 3, which are connected in sequence. The first material conveying device 1, the second material conveying device 2 and the third material conveying device 3 respectively comprise two driving chain wheels 4, two driven chain wheels 5, a driving wheel 6, two conveying chains 7, a rubber friction plate and a plurality of round rollers fixed among the conveying chains 7. The two driving sprockets 4 and the driven sprocket 5 are respectively sleeved on a rotating shaft 8 fixed between the side plates, the driving sprockets 4 and the driving sprocket 5 are connected through a conveying chain 7, the driving wheel 6 is connected with a variable frequency motor through a chain, the rubber friction plate is fixed below the round roller, and the round roller can rotate under the friction effect.
As shown in fig. 1, the real-time sensing module preferably includes a black dark box 9 installed above the first material conveying device 1, an LED light source 10, a photosensor 11, a color CCD camera 12, an image acquisition card 13 and an industrial computer 14. The LED light source 10 is arranged on two sides of a black camera 9 at an angle of 45 degrees to provide illumination conditions required by shooting of a CCD camera 12, the photoelectric sensor 11 is arranged at an outlet of the black camera 9 and connected with the CCD camera 12, the photoelectric sensor 11 detects that fruits and vegetables in the camera 9 pass through shooting starting signals as the CCD camera 12, the CCD camera 12 is fixed right above the black camera 9 and used for collecting target fruit and vegetable images of film coating, the image acquisition card 13 is connected with the CCD camera 12 and used for receiving and storing the images shot by the camera and transmitting the image signals to an industrial computer 14 for further processing, the industrial computer 14 is responsible for receiving the image signals of the image acquisition card 13 and then carrying out image processing and information transmission, and the specific processing steps are as follows: firstly, carrying out graying processing on a shot image, converting a color image into a grayscale image, and reducing the original data volume; then extracting the target fruit and vegetable region from the image through an image segmentation algorithm; and finally, calculating the size of a target fruit and vegetable area of the coating film by taking the pixel as a unit, determining the orientation information of the fruit and vegetable by taking the background central point as a reference, and calculating the time of the area reaching the target spraying module according to the speed of the material conveying device. The industrial computer 14 transmits the image processing result to the PLC control cabinet in an RS485 communication mode.
As shown in fig. 1 and 3, the targeted spraying module includes a spraying chamber 15 fixed on the first material conveying device 1, a first air blowing device 16, a plurality of electrostatic spray guns 17 and an electromagnet 18. Preferably, the electromagnet 18 is a U-shaped electromagnet. The spray booth 15 includes that a preceding table wall is equipped with emergency exit 19 and the insulating box 20 of observation window 21 that the pivot rotates to be connected, emergency exit 19 can open when shutting down and carry out corresponding operation, the equal fixed mounting of observation window 21 has observation glass, first blast apparatus 16 is installed on the lateral wall of spray booth 15, provides suitable wind field for spray booth 15, electrostatic spray gun 17 is 45 degrees and installs on the support body of first conveyor 1 both sides in spray booth 15, and electrostatic spray gun 17 power cord is connected with high voltage static generator, and the air inlet has air compressor through the air hose connection, and the feed inlet links to each other with the coating bucket through the pipe, two U type electromagnets are a set of and are fixed in electrostatic spray gun nozzle 17 dead ahead, utilize the electromagnetic field that produces after the coil circular telegram to the Lorentz force of motion electric charge to realize (left, right, left, right side, to the right). Furthermore, the current directions of the coils on the two U-shaped electromagnets are opposite, namely the acting forces on the charged membrane liquid are opposite, and the two U-shaped electromagnets are controlled to be opened and closed according to the direction information of the target fruit and vegetable, so that the two-way control of the left and right movement directions of the membrane liquid is realized.
As shown in fig. 1 and 4, the dynamic drying module includes a drying chamber 22 installed above the third conveying device 3, a second air blowing device 23, a plurality of fast medium wave infrared heating pipes 24, and a control system 25, the second air blowing device 23 includes a plurality of embedded fans and filter screens fixed in the drying chamber 22, the filter screens are located below the embedded fans, the fast medium wave infrared heating pipes 24 are fixed in clamps arranged at equal intervals on the upper wall in the drying chamber, and the control system 25 is installed on the front surface wall of the drying chamber 22 and used for controlling the power of the embedded fans and the temperature in the drying chamber 22.
The electric control module comprises a PLC control cabinet 26, and the PLC control cabinet 26 is connected with the industrial computer 14, the electrostatic spray gun 17 and the U-shaped electromagnet 18. The PLC control cabinet 26 controls the on-off of the electrostatic spray gun 17, the spray width and the on-off of the U-shaped electromagnet 18 according to the processing result of the industrial computer 14.
The intelligent fruit and vegetable film coating device provided by the embodiment of the invention has the following working process: the photoelectric sensor 11 detects that fruits and vegetables are in the camera bellows 9 and serve as trigger signals of the CDD camera 12, images collected by the CCD camera 12 are transmitted to the industrial computer 14 through the image collecting card 13, the industrial computer 14 processes the images and calculates area and direction information of the processed images, then the processed results are sent to the PLC control cabinet 26 in an RS485 communication mode, and the PLC control cabinet 26 gives corresponding instructions to the target spraying module according to the image processing results. The specific instructions are as follows:
when the real-time sensing module obtains that the area S of the target fruit and vegetable area coated with the film is 0, that is, the target fruit and vegetable coated with the film is not detected, the PLC control cabinet 26 keeps the electrostatic spray gun 17 and the U-shaped electromagnet 18 in a closed state.
When the real-time sensing module obtains that the area S of the target fruit and vegetable area of the film is larger than the set critical value delta S, the PLC control cabinet 26 starts the electrostatic spray gun 17 to work with large spraying amplitude without considering the azimuth information, keeps the U-shaped electromagnet 18 in a closed state, and carries out all-around spraying on the whole conveying area.
When the real-time sensing module obtains that the area S of the coated target fruit and vegetable area is smaller than the set critical value delta S, the spray amplitude of the electrostatic spray gun 17 is changed into small spray amplitude work, the U-shaped electromagnet 18 is started to work according to the orientation information of the fruits and vegetables, the movement track of the charged membrane liquid is intervened, the spraying angle is adjusted, and the fruits and vegetables on the conveying module are sprayed in a targeted mode.
The target fruits and vegetables enter the dynamic drying module after finishing the spraying work, the temperature and the air flow rate in the drying chamber 22 are determined according to the speed of the conveyor belt, so that the fruits and vegetables can be ensured to evaporate water in membrane liquid after passing through the drying module, a uniform coating is formed on the surface of the fruits and vegetables, and meanwhile, the surfaces of the fruits and vegetables cannot be scalded at any high temperature in the drying process.
In conclusion, the invention realizes automation, informatization and intellectualization of the film coating process, and saves a large amount of manpower, material resources and financial resources for industrial production. The uniform and firm coating formed on the surface of the fruit and vegetable delays the quality reduction of the fruit and vegetable in the production and sale process, and greatly prolongs the shelf life of the fruit and vegetable. Meanwhile, the problems of bacterial breeding and membrane liquid waste of the traditional immersion bath are also avoided.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intelligent fruit and vegetable film coating device is characterized by comprising a material conveying module, a real-time sensing module, a targeted spraying module, a dynamic drying module and an electric control module;
the material conveying module is used for conveying the coated target fruits and vegetables; the real-time sensing module is arranged on the material conveying module and used for collecting the coated target fruit and vegetable image and carrying out image processing to obtain the size and the direction information of the coated target fruit and vegetable area and the time of reaching the target spraying area; the targeted spraying module comprises a spraying chamber (15), a plurality of electrostatic spray guns (17) and electromagnets (18); the spraying chamber (15) is arranged on the material conveying module and located behind the real-time sensing module, the electrostatic spray gun (17) is arranged in the spraying chamber (15), the electrostatic spray gun (17) is connected with the high-voltage electrostatic generator, an air inlet of the electrostatic spray gun (17) is connected with the air compressor, a feed inlet of the electrostatic spray gun (17) is connected with the coating barrel, and the electromagnet (18) is arranged right in front of a nozzle of the electrostatic spray gun (17); the dynamic drying module is arranged on the material conveying module, is positioned behind the spraying chamber (15) and is used for drying the coated fruits and vegetables; the electric control module comprises a PLC control cabinet (26), and the PLC control cabinet (26) is connected with the real-time sensing module, the electrostatic spray gun (17) and the electromagnet (18).
2. The intelligent fruit and vegetable film coating device according to claim 1, wherein the material conveying module comprises a first material conveying device (1), a second material conveying device (2) and a third material conveying device (3) which are sequentially connected; the real-time sensing module and the target spraying module are sequentially arranged on the first material conveying device (1) along the conveying direction of the fruits and vegetables; the second material conveying device (2) inclines along the conveying direction of the fruits and vegetables; and the dynamic drying module is arranged on the third material conveying device (3).
3. The intelligent fruit and vegetable coating device according to claim 1, wherein a plurality of rotatably connected round rollers are arranged between the conveying chains (7) of the material conveying module.
4. The intelligent fruit and vegetable film coating device according to claim 1, wherein the real-time sensing module comprises a camera bellows (9), an LED light source (10), a photoelectric sensor (11), a CCD camera (12), an image acquisition card (13) and an industrial computer (14); the device is characterized in that the camera bellows (9) is arranged on the material conveying module, the CCD camera (12) and the LED light source (10) are arranged in the camera bellows (9), the CCD camera (12) is used for collecting images of target fruits and vegetables in the camera bellows (9), the image acquisition card (13) is connected with the CCD camera (12) and used for receiving and storing images shot by the CCD camera (12) and transmitting image signals to the industrial computer (14), and the industrial computer (14) carries out image processing after receiving image signals of the image acquisition card (13) to obtain the size and the azimuth information of a coated target fruit and vegetable area and the time for reaching the target spraying area.
5. The intelligent fruit and vegetable film coating device according to claim 4, wherein the real-time sensing module further comprises a photoelectric sensor (11); the photoelectric sensor (11) is arranged at an outlet of the camera bellows (9) and is connected with the CCD camera (12), and the photoelectric sensor (11) detects that fruits and vegetables are in the camera bellows (9) and serve as shooting starting signals of the CCD camera (12).
6. The intelligent fruit and vegetable film coating device according to claim 1, wherein the dynamic drying module comprises a drying chamber (22), a second air blowing device (23), a plurality of fast medium wave infrared heating pipes (24) and a control system (25); the drying chamber (22) is arranged on the material conveying module, and the second air blowing device (23) and the fast medium wave infrared heating pipe (24) are arranged in the drying chamber (22); the control system (25) is respectively connected with the second air blowing device (23) and the controller of the fast and medium wave infrared heating pipe (24).
7. The intelligent fruit and vegetable coating device according to claim 1, wherein the electromagnet (18) is a U-shaped electromagnet.
8. The method for the intelligent fruit and vegetable film coating device according to any one of claims 1-7, which is characterized by comprising the following steps:
the material conveying module conveys the target film-coated fruits and vegetables to the real-time sensing module, the targeted spraying module and the dynamic drying module in sequence; the real-time sensing module acquires and processes the image of the target coated fruit and vegetable, an industrial computer (14) obtains the size and the azimuth information of the target coated fruit and vegetable area and the time of reaching the target spraying area and sends the information to a PLC control cabinet (26) of the electric control module, the PLC control cabinet (26) sends an instruction according to the image processing result of the real-time sensing module to control the work of an electrostatic spray gun (17) and an electromagnet (18) and perform target spraying on the target coated fruit and vegetable; and the dynamic drying module is used for drying the coated fruits and vegetables.
9. The method of the intelligent fruit and vegetable film coating device according to claim 8, wherein the PLC control cabinet (26) controls the electrostatic spray gun (17) and the electromagnet (18) to work according to the image processing result of the real-time sensing module specifically as follows:
when the real-time sensing module obtains that the area S of the target fruit and vegetable area of the coating film is 0, the target fruit and vegetable of the coating film is not detected, and the PLC control cabinet (26) keeps the electrostatic spray gun (17) and the electromagnet (18) in a closed state;
when the real-time sensing module obtains that the area S of the target fruit and vegetable area of the film is larger than the set critical value delta S, the orientation information is not considered, the PLC control cabinet (26) starts the electrostatic spray gun (17) to work with large spray amplitude, the electromagnet (18) is kept in a closed state, and all-round spraying is carried out on the whole conveying area;
when the area S of the target fruit and vegetable area of the film obtained by the real-time sensing module is smaller than the set critical value delta S, the spray amplitude of the electrostatic spray gun (17) is changed into small spray amplitude to work, the electromagnet (18) is controlled to work according to the azimuth information of the target fruit and vegetable, and the target fruit and vegetable is sprayed in a targeted mode.
10. The method of the intelligent fruit and vegetable coating device according to claim 8, wherein the temperature and the air flow rate in the dynamic drying module are determined according to the speed of the material conveying module.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083511.4A CN112998067B (en) | 2021-01-21 | 2021-01-21 | Intelligent film coating device and method for fruits and vegetables |
| PCT/CN2021/077613 WO2022156033A1 (en) | 2021-01-21 | 2021-02-24 | Intelligent film coating apparatus and method for fruits and vegetables |
| GB2115685.6A GB2597164B (en) | 2021-01-21 | 2021-02-24 | Intelligent coating apparatus and method for fruits and vegetables |
| DE212021000009.6U DE212021000009U1 (en) | 2021-01-21 | 2021-02-24 | Intelligent film application device for fruit and vegetables |
| DE112021000021.7T DE112021000021T5 (en) | 2021-01-21 | 2021-02-24 | INTELLIGENT FRUIT AND VEGETABLE FILM APPLICATOR AND RELATED PROCESS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083511.4A CN112998067B (en) | 2021-01-21 | 2021-01-21 | Intelligent film coating device and method for fruits and vegetables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112998067A true CN112998067A (en) | 2021-06-22 |
| CN112998067B CN112998067B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110083511.4A Active CN112998067B (en) | 2021-01-21 | 2021-01-21 | Intelligent film coating device and method for fruits and vegetables |
Country Status (2)
| Country | Link |
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| CN (1) | CN112998067B (en) |
| WO (1) | WO2022156033A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956531A (en) * | 2021-03-12 | 2021-06-15 | 崇义龙润果业有限公司 | Navel orange antistaling agent smearing equipment |
| CN116035233A (en) * | 2022-12-10 | 2023-05-02 | 上海嘉备轻工机械有限公司 | Modular fruit and vegetable processing production line combination equipment and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581251B (en) * | 2022-10-21 | 2024-03-22 | 甘肃农业大学 | Fresh meat preservation equipment applying edible film coating active packaging technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208462820U (en) * | 2017-12-18 | 2019-02-05 | 浙江中多智能机械制造有限公司 | A kind of booster-type fruits and vegetables spray equipment |
| CN210630569U (en) * | 2019-08-01 | 2020-05-29 | 南京扬乾生物科技有限公司 | Automatic sterilizing, coating, fresh-keeping and packaging device for fresh fruits and vegetables |
| CN111493142A (en) * | 2020-04-24 | 2020-08-07 | 天津捷盛东辉保鲜科技有限公司 | Fruit and vegetable preservative film coating system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051333B (en) * | 2017-11-21 | 2020-06-09 | 江苏大学 | On-line detection device and method for physical property change of fruits and vegetables in drying process |
| CN110302680A (en) * | 2018-03-20 | 2019-10-08 | 厦门江天智能仿生科技有限公司 | A kind of novel intelligent film applicator and preparation method thereof |
| CN209749654U (en) * | 2018-07-18 | 2019-12-10 | 浙江科技学院 | Film coating machine for fruit preservation |
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- 2021-02-24 WO PCT/CN2021/077613 patent/WO2022156033A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208462820U (en) * | 2017-12-18 | 2019-02-05 | 浙江中多智能机械制造有限公司 | A kind of booster-type fruits and vegetables spray equipment |
| CN210630569U (en) * | 2019-08-01 | 2020-05-29 | 南京扬乾生物科技有限公司 | Automatic sterilizing, coating, fresh-keeping and packaging device for fresh fruits and vegetables |
| CN111493142A (en) * | 2020-04-24 | 2020-08-07 | 天津捷盛东辉保鲜科技有限公司 | Fruit and vegetable preservative film coating system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956531A (en) * | 2021-03-12 | 2021-06-15 | 崇义龙润果业有限公司 | Navel orange antistaling agent smearing equipment |
| CN116035233A (en) * | 2022-12-10 | 2023-05-02 | 上海嘉备轻工机械有限公司 | Modular fruit and vegetable processing production line combination equipment and method |
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| WO2022156033A1 (en) | 2022-07-28 |
| CN112998067B (en) | 2022-06-24 |
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