CN218079120U

CN218079120U - Fluorescent seed sorting device

Info

Publication number: CN218079120U
Application number: CN202222248733.XU
Authority: CN
Inventors: 李莉; 李懿星; 宋书锋; 王天抗; 李承夏; 余东
Original assignee: Hunan Hybrid Rice Research Center
Current assignee: Hunan Hybrid Rice Research Center
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-20
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a fluorescence seed sorting unit, include: a curved surface slideway; a light source; the camera is arranged above the lower end of the curved surface slide way; the fluorescent seed box is arranged right below the lower end of the curved surface slide way; the air valve is used for providing air and blowing air to the seeds sliding down the curved surface slide way, and the slide way surface of the curved surface slide way is a curved surface so that the dry and flat seeds sliding down the curved surface slide way fall into the fluorescent seed box; the box mouth of the non-fluorescent seed box is obliquely faced to the longitudinal extension direction of the curved slideway, so that seeds sliding down from the curved slideway roll into the non-fluorescent seed box. The fluorescent seed sorting device of the utility model can slow down the falling speed of seeds, thereby increasing the recognition time of the camera; the method can realize the separation of normal seeds and shriveled seeds, is favorable for separating the shriveled seeds containing weak fluorescence, and improves the accuracy of fluorescent seed separation.

Description

Fluorescent seed sorting device

Technical Field

The utility model relates to a seed is selected separately the field, mainly relates to a fluorescence seed sorting unit.

Background

In the research work of the third generation hybrid rice, in order to realize the batch propagation of the sterile line seeds, the color selection method of the fluorescent protein labeled engineering maintainer line seeds is invented to ensure that the combination of the sterile line and the third generation hybrid rice does not contain transgenic components. However, since the fluorescent seeds and the non-fluorescent seeds have no significant difference in the color of the seed coat, the color sorting method on the market at present cannot identify the fluorescent seeds and the non-fluorescent seeds. The seed classification accuracy is low, the sorting efficiency is low, and the production application of sterile line seeds can not be realized. In view of the above problems, a fluorescent seed sorting apparatus has been developed, which irradiates fluorescent seeds with a specific light source to excite fluorescent signals of fluorescent proteins in the fluorescent seeds, thereby enabling the fluorescent seeds to be identified and sorted. At present, all the fluorescent seed sorting devices adopt linear curved surface slideways. The method can effectively identify and sort out the strong fluorescence seeds, but for the shrunken fluorescence seeds, the identification rate is low due to the fact that the fluorescence components are few, the fluorescence signals are weak, and effective sorting cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can select separately fluorescent seed sorting unit of fluorescent seed of shriveling.

The utility model discloses a fluorescence seed sorting unit, include:

the curved surface slideway is obliquely arranged and used for conveying seeds;

the light source is arranged above the lower end of the curved slide way and used for carrying out fluorescence excitation on the seeds sliding down the curved slide way;

the camera is used for identifying the fluorescent seeds and the common seeds and is arranged above the lower end of the curved surface slide way;

the fluorescent seed box is arranged right below the lower end of the curved surface slide way;

the air valve is used for providing air and blowing air to seeds sliding down from the curved surface slide way, the air valve is connected with the camera through an electromagnetic valve, the camera is used for collecting image information of the seeds sliding down from the curved surface slide way and judging the seeds containing fluorescent signals in the image information as fluorescent seeds, the camera controls the opening and closing of the air valve through the electromagnetic valve so that the fluorescent seeds are blown down to the fluorescent seed box by the air valve, and the slide way surface of the curved surface slide way is a curved surface so that dry and shriveled seeds sliding down from the curved surface slide way fall into the fluorescent seed box;

the box opening of the non-fluorescent seed box faces the longitudinal extension direction of the curved surface slide way in an inclined mode, so that seeds sliding down from the curved surface slide way roll down into the non-fluorescent seed box.

The utility model discloses a fluorescence seed sorting unit, wherein, the slide surface of curved surface slide is the arc surface, the centre of a circle of the place circular arc of arc surface is located between the surface of curved surface slide and the camera.

The utility model discloses a fluorescence seed sorting unit, wherein, still include feeding funnel and shaking table, the export of feeding funnel is located the top of the upper end of curved surface slide, the feeding funnel set up in on the shaking table, the shaking table is used for the vibration feeding funnel.

The utility model discloses a fluorescence seed sorting unit, wherein, the curved surface slide include the bottom plate and prevent the springboard, prevent the springboard cover in on the bottom plate for jump out the curved surface slide when preventing the seed whereabouts.

The utility model discloses a fluorescence seed sorting unit, wherein, there are many parallel arrangement's recess on the bottom plate of curved surface slide to move along the recess when making the seed whereabouts.

The fluorescent seed sorting device of the utility model can slow down the falling speed of seeds, thereby increasing the recognition time of the camera; the method can realize the separation of normal seeds and shriveled seeds, is favorable for separating the shriveled seeds containing weak fluorescence, and improves the accuracy of fluorescent seed separation.

Drawings

FIG. 1 is a schematic structural view of a fluorescent seed sorting device according to the present invention;

FIG. 2 is a schematic view of the fluorescent seed sorting apparatus of the present invention sorting fluorescent seeds;

FIG. 3 is a schematic diagram of the fluorescent seed sorting apparatus of the present invention sorting non-fluorescent seeds;

fig. 4 is a schematic diagram of the fluorescent seed sorting device of the present invention for sorting shriveled seeds;

FIG. 5 is a side view of a curved ramp;

FIG. 6 is a perspective view of a curved ramp;

fig. 7 is a schematic structural view of the bottom plate of the curved ramp.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, the fluorescent seed sorting device of the present invention includes:

a curved slide 3 for conveying seeds;

the light source 5 is arranged above the lower end of the curved slide way and used for carrying out fluorescence excitation on seeds sliding down the curved slide way;

the camera 6 is used for identifying fluorescent seeds and common seeds and is arranged above the lower end of the curved surface slide way;

the fluorescent seed box 10 is arranged right below the lower end of the curved surface slide way;

the air valve 8 is used for providing air and blowing air to seeds sliding down from the curved surface slide way, the air valve is connected with the camera through an electromagnetic valve 7, the camera is used for acquiring image information of the seeds sliding down from the curved surface slide way and judging the seeds containing fluorescent signals in the image information as fluorescent seeds, the camera controls the opening and closing of the air valve through the electromagnetic valve so that the fluorescent seeds are blown down to the fluorescent seed box by the air valve, and the slide way surface of the curved surface slide way is a curved surface so that dried and shrunken seeds sliding down from the curved surface slide way fall into the fluorescent seed box;

and the opening of the non-fluorescent seed box is obliquely faced to the longitudinal extension direction of the curved slideway, so that seeds sliding down from the curved slideway roll into the non-fluorescent seed box.

The box mouth of the non-fluorescent seed box 9 is obliquely arranged and faces the lower end of the curved slideway 3, and the oblique angle approximately forms an included angle of 45 degrees with the horizontal plane.

The utility model discloses a fluorescence seed sorting unit, wherein, the middle section of curved surface slide is bloated downwards.

The utility model discloses a fluorescence seed sorting unit, wherein, still include hopper 1 and shaking table 2, the export of hopper is located the top of the upper end of curved surface slide, the hopper set up in on the shaking table, the shaking table is used for the vibration the hopper.

The utility model discloses a fluorescence seed sorting unit, wherein, curved surface slide 3 includes bottom plate 31 and prevents springboard 32, prevent that the springboard cover in on the bottom plate for jump out the curved surface slide when preventing the seed whereabouts.

The utility model discloses a fluorescence seed sorting unit, wherein, there is many parallel arrangement's recess 311 on the bottom plate 31 of curved surface slide to move along the recess when making the seed whereabouts.

When the fluorescent seed sorting device of the utility model works, seeds fall through the curved surface slide way, firstly, the falling speed of the seeds can be slowed down, thereby increasing the recognition time of the camera; and secondly, the separation of normal seeds and shriveled seeds can be realized, so that the separation of the shriveled seeds containing weak fluorescence is facilitated, and the separation accuracy of the fluorescence seeds is improved.

The seeds are scattered after passing through the feeding hopper 1 and the vibration table 2 and then fall into the curved slideway 3.

The bottom plate 31 of the curved slide 3 is curved, which can slow down the falling speed of the seeds.

The curved ramp 3 can be in various curved forms, such as parabolic, hyperbolic, and combinations of various curved forms.

The bottom plate 31 has a recess 311 in which the seeds move during the fall. The number of grooves in the floor 31 of the curved ramp may be any number.

The utility model discloses a fluorescence seed sorting unit realizes the seed of shrivelled and fluorescence seed through curved surface slide 3 and selects separately simultaneously.

The utility model discloses a fluorescence seed sorting unit reduces the curved surface steepness in curved surface slide 3's exit, compares with the linear type slide, and the advantage has two points: firstly, due to the action of friction force, the speed of the seeds falling out of the outlet of the curved surface slide way 3 is reduced, so that the sampling time of the camera 6 and the blowing time of the air valve 8 are prolonged, and the sorting of the fluorescent seeds is facilitated; secondly, the friction of shriveled seeds is big, and the speed when shriveled seeds fall out of the outlet of the curved-surface slideway 3 is low, so that the short sliding distance (including the shriveled seeds of fluorescence and non-fluorescence) of the shriveled seeds after leaving the track can fall into the fluorescence seed box 10, the friction of the normal non-fluorescence seeds is small, the speed when the seeds fall out of the outlet of the curved-surface slideway 3 is big, and the normal non-fluorescence seeds can fall into the non-fluorescence seed box 9. While normal fluorescent seeds are identified by the camera and blown into the fluorescent seed box 10 by the gas valve 8. Thereby realizing the simultaneous sorting of the dry and flat seeds and the fluorescent seeds.

The utility model discloses a fluorescence seed sorting unit's working process:

starting a fluorescent seed sorting device and control software thereof; loading seeds 11 to be sorted into a feeding hopper 1, starting a vibration table 2 to enable the seeds 11 to be sorted to dispersedly enter a curved surface slideway 3, enabling the seeds 11 to be sorted to fall along the curved surface slideway 3 under the action of gravity, irradiating the seeds 11 to a lower port of the curved surface slideway 3 by a light source 5 when the seeds fall, exciting a fluorescent protein signal in the fluorescent seeds, triggering a signal to an electromagnetic valve 7 by a camera 6 after detecting the fluorescent signal, starting an air valve 8, blowing the fluorescent seeds at an air blowing point 4 by high-pressure air, and enabling the fluorescent seeds to fall into a fluorescent seed box 10 along a fluorescent seed falling track 12;

the non-fluorescent seeds can not be identified by the camera because of no fluorescent signal, and the electromagnetic valve 6 and the air valve 7 are not opened, so the non-fluorescent seeds directly fall into the non-fluorescent seed box 9 under the action of gravity, as shown in fig. 3, and the sorting of the fluorescent seeds and the non-fluorescent seeds is completed. The falling track of the non-fluorescent seeds is a non-fluorescent seed falling track 13;

when the seed is the shrivelled seed, shrivelled seed gets into curved surface slide 3, and the seed 11 of waiting to sort under the action of gravity falls along curved surface slide 3 whereabouts, and when the port was gone down to curved surface slide 3 to seed 11, because shrivelled seed is big in orbital area of contact, frictional force is big, and speed is little during the export, and the distance of sliding is short to fall into fluorescence seed box 10, the whereabouts orbit of shrivelled seed is shrivelled seed whereabouts orbit 14, as shown in fig. 4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A fluorescent seed sorting device, comprising:

the curved surface slideway is obliquely arranged and used for conveying seeds;

the camera is used for identifying fluorescent seeds and common seeds and is arranged above the lower end of the curved surface slide way;

and the box opening of the non-fluorescent seed box obliquely faces the longitudinal extending direction of the curved surface slide way so as to roll the seeds sliding down from the curved surface slide way into the non-fluorescent seed box.

2. The fluorescent seed sorting device of claim 1, wherein the chute surface of the curved chute is an arc surface, and the center of the arc where the arc surface is located between the surface of the curved chute and the camera.

3. The fluorescent seed sorting device of claim 2, further comprising a hopper and a vibrating table, wherein an outlet of the hopper is located above an upper end of the curved slide, the hopper is disposed on the vibrating table, and the vibrating table is configured to vibrate the hopper.

4. A fluorescent seed sorting apparatus according to claim 3, wherein the curved slide comprises a bottom plate and an anti-bouncing plate covering the bottom plate for preventing seeds from bouncing off the curved slide when falling.

5. The fluorescent seed sorting apparatus of claim 4, wherein the curved chute has a plurality of parallel grooves on a bottom plate thereof, such that the seeds fall along the grooves.