CN113447296A - Intelligent quantitative sampling device suitable for ellipsoidal fruits - Google Patents
Intelligent quantitative sampling device suitable for ellipsoidal fruits Download PDFInfo
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- CN113447296A CN113447296A CN202110703417.4A CN202110703417A CN113447296A CN 113447296 A CN113447296 A CN 113447296A CN 202110703417 A CN202110703417 A CN 202110703417A CN 113447296 A CN113447296 A CN 113447296A
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- blade
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- fruit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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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
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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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Abstract
The invention discloses an ellipsoidal fruit intelligent quantitative sampling device. The fruit quantitative sampling device comprises a control device, a sample support, a driving structure and a base, wherein the control device, the sample support and the driving structure are sequentially arranged at the front part, the middle part and the rear part of the base, and sample fruits to be quantitatively sampled are placed on the sample support. The invention can intelligently identify the external dimension of the fruit sample, automatically control the sampling size and position, complete the rapid quantitative sampling work when the indexes such as the sugar degree, the acidity and the like of the fruit are detected in one step, reduce the operation difficulty when fruit growers and processing enterprises detect the fruit quality, and improve the stability and the accuracy of the detection.
Description
Technical Field
The invention relates to a device in the field of fruit and vegetable processing, in particular to an intelligent quantitative sampling device suitable for ellipsoidal fruits.
Background
Fruits are one of important agricultural products in China, the fruit industry is the third largest prop industry next to grains and vegetables in the planting industry as a labor-intensive industry, the total yield per year can reach hundreds of millions of tons, and the fruit industry occupies a very important position in national economy in China.
Nowadays, with the continuous improvement of living standard of people, the requirement on fruit quality is higher and higher, and the economic benefit of fruit production enterprises can be greatly improved by detecting fruits and grading according to indexes such as sugar degree, hardness and maturity. The existing near-infrared and hyperspectral fruit nondestructive testing methods all need to test and model a part of fruits in use. Taking the detection of the sugar degree of the fruit (which is replaced by the detection of the soluble solid matter) as an example, according to the specification of NYT2637-2014 refractometer for determining the content of the soluble solid matter of the fruit and the vegetable, the sugar degree of the fruit is detected, namely the detection of the soluble solid matter needs to cut and sample the fruit, and because the individual size difference of different samples of the fruit is large, the manual cutting and sampling of the fruit not only has a slow sampling speed, but also is difficult to ensure the consistency of the position and the size of the sample, and the stability and the accuracy of a detection result are influenced.
In order to reduce the operation difficulty of fruit growers and processing enterprises in sampling when detecting the fruit quality, improve the stability and the accuracy of detection, need urgently one kind can be swiftly, accurate, stably accomplish the intelligent quantitative sampling device who is applicable to ellipsoid fruit of fruit detection sampling work.
Disclosure of Invention
The invention aims to solve one of the problems in the prior art, and aims to provide an intelligent quantitative sampling device suitable for ellipsoidal fruits, which can intelligently identify the external dimensions of a fruit sample, automatically control the size and position of sampling and cutting, complete the rapid quantitative sampling operation in one step when the indexes such as sugar degree, acidity and the like of the fruits are detected, reduce the operation difficulty of fruit growers and processing enterprises in the fruit quality detection process, and improve the stability and accuracy of the detection.
The technical scheme adopted for solving the technical problems is as follows:
the fruit quantitative sampling device comprises a control device, a sample bracket, a driving structure and a base, wherein the control device, the sample bracket and the driving structure are sequentially arranged at the front part, the middle part and the rear part of the base, and sample fruits to be quantitatively sampled are placed on the sample bracket.
The control device comprises a control host, a display screen and a camera module, wherein the control host is fixedly arranged at the front part of the base, and the display screen is fixedly arranged at the front part of the control host and can display and control related parameters of sampling; the camera module is fixedly arranged at the central position of the rear part of the control host; the method is used for completely acquiring a plane image of a sample fruit.
In the specific implementation, the control host acquires the image of the sample fruit to be quantitatively sampled, which is placed on the sample support, according to the camera module, the shape and the size of the sample fruit to be quantitatively sampled are automatically identified, the segmentation position and the distance of the sample fruit to be quantitatively sampled are automatically judged, then the control host sends control information to a motor in the blade driving electric and blade translation assembly, the motor in the blade translation assembly drives the blade translation assembly to move according to the control information and enables the blades to reach a proper distance, then the blade driving motor works according to the control information, a blade rotating shaft and a blade are driven to rotate, and the cutting and sampling operation is completed.
The sample support comprises two side sample supports and a middle sample support, the middle sample support is fixedly arranged in the middle of the base, the two side sample supports are symmetrically arranged on two sides of the middle sample support, gaps are formed between the two side sample supports and the middle sample support respectively, the gaps are used for supporting and placing fruits of a sample and cutting a blade, and the width of each gap is set to support the sample and ensure a proper cutting position;
the middle parts of the two side sample supports and the middle sample support are respectively provided with a semicircular groove, and the semicircular grooves of the two side sample supports and the middle sample support are coaxially arranged and are used for placing sample fruits to be quantitatively sampled and limiting the movement of the sample fruits to be quantitatively sampled;
the driving structure comprises two groups of driving units and a blade rotating shaft, the driving units are connected with the blade rotating shaft, the two groups of driving units are symmetrically and fixedly arranged on two sides of the rear part of the base, each group of driving units comprises a motor base, a blade driving motor and a blade translation assembly, the motor base is fixed on the rear part of the base, the blade driving motors are arranged in limiting holes in the middle of the motor base, and two ends of the blade rotating shaft are respectively connected with output shafts of two blade driving motors of the two groups of driving units;
the two blades are coaxially and rotatably sleeved on the blade rotating shaft through a key structure, two connected blade translation assemblies are arranged between two motor bases of the two groups of driving units, one ends of the two blades are respectively installed in the two blade translation assemblies, and the other ends of the blades extend towards the control device and are embedded in gaps between the side sample supports and the middle sample support;
each blade translation component comprises a blade translation component base and two blocking pieces with through holes, the two blocking pieces with the through holes are fixedly arranged on the blade translation component base, the blade rotating shafts are respectively arranged in the through holes of the two blocking pieces in a penetrating way, one end of each blade rotating shaft is connected with an output shaft of one blade driving motor, the other end of each blade rotating shaft penetrates through the blocking piece with the through hole and then is connected with an output shaft of the other blade driving motor, a gap is arranged between the two blocking pieces with the through holes, blades are arranged in the gap, the blade rotating shafts positioned at the gap are sleeved with the blades in a coaxial rotating way through keys, a plurality of parallel blade translation shafts are arranged between the two blade translation component bases, at least one blade translation shaft is a shaft with external threads, a motor is embedded in at least one of the two blade translation component bases, and the output shafts of the motors are coaxially connected with the shafts with the external threads, and the shaft thread with the external thread is connected to the blade translation assembly base, and the blade translation assembly can freely move along the axis direction of the blade rotating shaft during working, so that the blade translation shaft is driven to rotate through the thread to change the distance between the blade translation assemblies where the two blade translation assembly bases are located, and further change the distance between the two blades, and further change the width of a sample fruit to be quantitatively sampled.
The direction of the sample support on the base is vertical to the direction of the control device on the base.
The blade driving motor and the motor in the blade translation assembly are both servo motors.
The sample fruit is an ellipsoidal fruit.
The embodiment of the invention provides an intelligent quantitative sampling device suitable for ellipsoidal fruits, which comprises a control host, a display screen, a camera module, a middle sample bracket, a side sample bracket, a base, a motor base, a blade driving motor, a blade rotating shaft, a blade translation assembly, a blade translation shaft and a blade, wherein the control host is arranged at the front part of the base, the display screen and the camera module are arranged on the control host, the sample bracket is arranged in the middle of the base, the rotating and translation motor of the blade is arranged at the rear part of the base, when a sample fruit to be sampled is placed on the sample bracket, the camera module can completely acquire a sample fruit image and transmit the sample fruit image to the control host, the control host automatically identifies the shape and size of the sample fruit according to the sample image acquired by the camera module and automatically judges the dividing position and distance of the sample, and then the control host sends control information to the blade driving motor and the blade translation assembly, the blade translation component works and drives the blade translation shaft to control the two blades to keep a proper distance, after the blade translation component works, the blade driving motor works to drive the blade rotating shaft to rotate, the blade rotating shaft drives the blades to rotate around one end of the blade rotating shaft, the other end of the blade rotating shaft downwards cuts sample fruits placed on the sample support, the cut sample fruits are divided into three sections, the middle section is a sample to be detected, finally the blade driving motor reversely works, the blades are lifted and reset, and the quantitative sampling work is finished, the intelligent quantitative sampling device suitable for the ellipsoidal fruits can intelligently identify the external dimensions of the sample fruits, automatically control the sampling size and position, and finish the sugar degree of the fruits in one step, the rapid quantitative sampling work during the detection of indexes such as acidity reduces the operation difficulty of fruit growers and processing enterprises in the fruit quality detection, and improves the stability and accuracy of the detection.
The device of the invention can intelligently and automatically adjust the sampling position and distance by recognizing the fruit sample image,
the invention has the beneficial effects that:
the invention can intelligently identify the external dimension of the fruit sample, automatically control the sampling size and position, complete the rapid quantitative sampling work when the indexes such as the sugar degree, the acidity and the like of the fruit are detected in one step, reduce the operation difficulty when fruit growers and processing enterprises detect the fruit quality, and improve the stability and the accuracy of the detection.
Drawings
FIG. 1 is a perspective view of a front side structure according to an embodiment of the present application;
fig. 2 is a perspective view of a backside structure according to an embodiment of the present application.
In the figure, 101 control host computer, 102 display screen, 103 camera module, 201 middle sample support, 202 side sample support, 203 base, 301 motor base, 302 blade driving motor, 303 blade rotating shaft, 304 blade translation assembly, 305 blade translation shaft and 306 blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the present invention comprises a control device, a sample holder, a driving structure and a base 203, wherein the control device, the sample holder and the driving structure are sequentially arranged at the front, middle and rear of the base 203, and a sample fruit to be quantitatively sampled is placed on the sample holder.
The control device comprises a control host 101, a display screen 102 and a camera module 103, wherein the control host 101 is fixedly arranged at the front part of the base 203, and the display screen 102 is fixedly arranged at the front part of the control host 101 and can display and control related sampling parameters; the camera module 103 is fixedly arranged at the rear central position of the control host 101; the method is used for completely acquiring a plane image of a sample fruit. The embodied sample fruit is an ellipsoidal fruit.
In specific implementation, the control host 101 obtains an image of a sample fruit to be quantitatively sampled placed on a sample support according to the camera module 103, automatically identifies the shape and size of the sample fruit to be quantitatively sampled, automatically judges the dividing position and distance of the sample fruit to be quantitatively sampled, and then the control host 101 sends control information to the blade driving motor 302 and the motors in the blade translation assembly 304, the motors in the blade translation assembly 304 drive the blade translation assembly 304 to move according to the control information and enable the blades 306 to reach a proper distance, and then the blade driving motor 302 works according to the control information to drive the blade rotating shaft 303 and the blades 306 to rotate, so that the cutting and sampling operations are completed.
As shown in fig. 2, the sample holder includes two side sample holders 202 and a middle sample holder 201, the middle sample holder 201 is fixedly installed in the middle of the base 203, the two side sample holders 202 are symmetrically arranged on both sides of the middle sample holder 201, a gap is respectively provided between the two side sample holders 202 and the middle sample holder 201, the gap is used for supporting and placing a sample fruit and cutting a blade, and the gap is set to have a width capable of supporting a sample and ensuring a proper cutting position;
the middle parts of the two side sample supports 202 and the middle sample support 201 are respectively provided with a semicircular groove, and the semicircular grooves of the two side sample supports 202 and the middle sample support 201 are coaxially arranged and used for placing sample fruits to be quantitatively sampled and limiting the movement of the sample fruits to be quantitatively sampled;
the driving structure comprises two groups of driving units and a blade rotating shaft 303, the driving units are connected with the blade rotating shaft 303, the two groups of driving units are symmetrically and fixedly arranged on two sides of the rear part of the base 203, each group of driving units comprises electricity at the rear part of the base 203, the blade driving motors 302 are arranged in limiting holes in the middle of the motor base 301, and two ends of the blade rotating shaft 303 are respectively connected with output shafts of the two blade driving motors 302 of the two groups of driving units; the blade driving motor 302 operates to rotate the blade shaft 303.
The two blades 306 are coaxially and rotatably sleeved on the blade rotating shaft 303 through a key structure, two connected blade translation assemblies 304 are arranged between the two motor bases 301 of the two groups of driving units, one ends of the two blades 306 are respectively installed in the two blade translation assemblies 304, and the other ends of the blades 306 extend to the control device and are embedded in gaps between the side sample supports 202 and the middle sample support 201;
each blade translation component 304 comprises a blade translation component base and two blocking pieces with through holes, the two blocking pieces with through holes are fixedly arranged on the blade translation component base, the blade rotating shaft 303 is arranged in the through holes of the two blocking pieces in a penetrating manner, one end of the blade rotating shaft 303 is connected with an output shaft of one blade driving motor 302, the other end of the blade rotating shaft 303 penetrates through the blocking piece with the through hole and then is connected with an output shaft of the other blade driving motor 302, a gap is arranged between the two blocking pieces with the through holes, a blade 306 is arranged in the gap, a blade 306 is coaxially and rotatably sleeved outside the blade rotating shaft 303 at the gap through a key, the blade 306 can synchronously rotate along with the rotation of the blade rotating shaft 303, a plurality of parallel blade translation shafts 305 are arranged between the two blade translation component bases, wherein at least one blade translation shaft 305 is a shaft with external threads, and at least one of the two blade translation component bases is internally embedded with a motor, the output shaft of motor and the axle coaxial coupling that has the external screw thread, and the axle threaded connection who has the external screw thread is in blade translation subassembly base, and blade translation subassembly 304 during operation can freely move along the axis direction of blade pivot 303, and then drives blade translation axle 305 and pass through the screw thread rotation to change the distance between the blade translation subassembly 304 at two blade translation subassembly bases place, and then change the distance between two blades 306, thereby change the width of treating the sample fruit of ration sample.
The orientation of the sample holder on the base 203 is perpendicular to the orientation of the control device on the base 203. Both the blade drive motor 302 and the motors in the blade translation assembly 304 are servo motors.
The working process of the invention is as follows:
in this embodiment, when a fruit sample to be sampled is placed on the sample holder, the camera module 103 can completely acquire an image of the fruit sample and transmit the image of the fruit to the control host 101, the control host 101 automatically identifies the shape and size of the fruit sample according to the image of the fruit sample acquired by the camera module 103 and automatically determines the dividing position and distance of the fruit sample, then the control host 101 sends control information to the blade driving motor 303 and the blade translation assembly 304, the blade translation assembly 304 operates and drives the blade translation shaft 305 to rotate, and controls the two blade translation assemblies 304 to maintain a proper distance therebetween, so as to control the two blades 306 to maintain a proper cutting sampling width therebetween, after the blade translation assembly 304 operates, the blade driving motor 302 operates, the rotation of the driving motor 302 drives the blade rotation shaft 303 to rotate, and the blade rotation shaft 303 drives the blade 306 to rotate, the other end of the blade 306 cuts the fruit placed on the sample support downwards, the fruit is divided into three sections after cutting, the middle section is the sample to be detected, finally the blade driving motor 302 works reversely, the blade 306 is lifted and reset, and quantitative sampling work is completed.
The intelligent quantitative sampling device suitable for the ellipsoidal fruits, disclosed by the invention, can intelligently identify the overall dimension of the sample fruits, automatically control the sampling size and position, complete the rapid quantitative sampling work in one step when the indexes such as the sugar degree, the acidity and the like of the fruits are detected, reduce the operation difficulty of fruit growers and processing enterprises in the fruit quality detection process and improve the stability and the accuracy of the detection.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides an intelligence ration sampling device suitable for ellipsoid fruit which characterized in that: the fruit quantitative sampling device comprises a control device, a sample support, a driving structure and a base (203), wherein the control device, the sample support and the driving structure are sequentially arranged at the front part, the middle part and the rear part of the base (203), and sample fruits to be quantitatively sampled are placed on the sample support.
2. The intelligent quantitative sampling device for ellipsoidal fruit according to claim 1, wherein: the control device comprises a control host (101), a display screen (102) and a camera module (103), wherein the control host (101) is fixedly arranged at the front part of the base (203), the display screen (102) is fixedly arranged at the front part of the control host (101), and the camera module (103) is fixedly arranged at the rear part of the control host (101).
3. The intelligent quantitative sampling device for ellipsoidal fruit according to claim 1, wherein: the sample support comprises two side sample supports (202) and a middle sample support (201), the middle sample support (201) is fixedly arranged in the middle of the base (203), the two side sample supports (202) are symmetrically arranged on two sides of the middle sample support (201), and gaps are formed between the two side sample supports (202) and the middle sample support (201) and used for supporting and placing sample fruits and cutting by a blade;
the middle parts of the two side sample supports (202) and the middle sample support (201) are respectively provided with a semicircular groove, and the semicircular grooves of the two side sample supports (202) and the middle sample support (201) are coaxially arranged and used for placing sample fruits to be quantitatively sampled and limiting the movement of the sample fruits to be quantitatively sampled;
the driving structure comprises two groups of driving units and a blade rotating shaft (303), the two groups of driving units are symmetrically and fixedly arranged on two sides of the rear part of the base (203), each group of driving units comprises a motor base (301), a blade (306), a blade driving motor (302) and a blade translation assembly (304), the motor base (301) is fixed on the rear part of the base (203), the blade driving motor (302) is arranged in the motor base (301), and two ends of the blade rotating shaft (303) are respectively connected with output shafts of two blade driving motors (302) of the two groups of driving units;
two blades (306) are coaxially and rotationally sleeved on the blade rotating shaft (303) through a key structure, two blade translation assemblies (304) connected are arranged between two motor bases (301) of the two groups of driving units, one ends of the two blades (306) are respectively installed in the two blade translation assemblies (304), and the other ends of the blades (306) extend to the control device and are embedded in a gap between the side sample support (202) and the middle sample support (201).
4. The intelligent quantitative sampling device for ellipsoidal fruit according to claim 3, wherein: each blade translation component (304) comprises a blade translation component base and two blocking pieces with through holes, the two blocking pieces with the through holes are fixedly arranged on the blade translation component base, a blade rotating shaft (303) penetrates through the through holes of the two blocking pieces, a gap is arranged between the two blocking pieces with the through holes, blades (306) are arranged in the gap, the blades (306) are coaxially and rotatably sleeved outside the blade rotating shaft (303) at the gap through keys, a plurality of parallel blade translation shafts (305) are arranged between the two blade translation component bases, at least one blade translation shaft (305) is a shaft with external threads, a motor is embedded in at least one of the two blade translation component bases, the output shaft of the motor is coaxially connected with the shaft with the external threads, and the shaft with the external threads is connected with the blade translation component base through threads, .
5. The intelligent quantitative sampling device for ellipsoidal fruits according to claim 4, wherein: the motors in the blade driving motor (302) and the blade translation assembly (304) are servo motors.
6. The intelligent quantitative sampling device for ellipsoidal fruits according to claim 1, wherein: the direction of the sample support on the base (203) is vertical to the direction of the control device on the base (203).
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| CN202110703417.4A CN113447296B (en) | 2021-06-24 | 2021-06-24 | Intelligent quantitative sampling device suitable for ellipsoidal fruits |
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| CN202110703417.4A CN113447296B (en) | 2021-06-24 | 2021-06-24 | Intelligent quantitative sampling device suitable for ellipsoidal fruits |
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| CN113447296B (en) | 2022-12-23 |
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