Multi-wavelength semiconductor laser breeding device

Abstract

The utility model relates to the technical field of seed cultivation and planting, in particular to a multi-wavelength semiconductor laser breeding device. The device comprises a laser breeding light source module, a circuit controller and an equipment fixing bracket, a plurality of stand columns are arranged in the equipment fixing support, and a supporting table top is arranged at the top of the equipment fixing support. The side of the laser breeding light source module is fixedly connected with the stand column; the circuit controller is fixed on the supporting table top; the laser breeding light source module is at least provided with a short-wave laser module and a long-wave laser module; the short-wave laser module and the long-wave laser module emit rectangular light spots, and the rectangular light spots irradiate crop seeds in a staggered array manner; and the laser breeding light source module is in electrical control connection with the circuit controller through a cable. The method has the advantages that a high-power semiconductor laser is adopted as a light source, laser irradiates seeds, germs, nutrient substances and enzymes of the seeds are activated by utilizing laser coherence characteristics, the seed vigor is improved, and mutation of the seeds is promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of seed cultivation and planting, and particularly relates to a multi-wavelength semiconductor laser breeding device. BACKGROUND

[0002] Seed is the "chip" of agriculture and the key to ensuring food security. Under the current grim global food security situation, breeding new varieties of crops with high resistance and high yield is the most urgent task of agricultural development.

[0003] At present, laser breeding has been proven to be feasible, with advantages such as high efficiency, stable traits, high selectivity, contemporary variation, no pollution, and low radiation damage, and plays an important role in modern agricultural breeding technology. The current reports on laser breeding mainly focus on helium-neon lasers, carbon dioxide lasers, ruby lasers, and all-solid-state lasers. Compared with the above-mentioned lasers, semiconductor lasers have the advantages of direct electrical pumping, high electrical-optical conversion efficiency, high output power, wide spectral range, low power consumption, and small size, making them ideal light sources for breeding and seedling raising.

[0004] The Chinese invention patent with publication number CN108094195B, publication date April 16, 2021, and invention name "Efficient mutagenesis breeding method for corn" discloses a technical solution for processing corn pollen with a helium-neon laser to achieve efficient mutagenesis breeding. However, it belongs to obtaining new varieties of corn in the laboratory, with low mutagenesis efficiency and small scale. Another Chinese invention patent application with publication number CN117242936A, publication date December 19, 2023, and invention name "Laser irradiation accelerated breeding method" discloses a method for accelerating soybean breeding using semiconductor lasers. The seeds are placed on a positioning platform, and red and blue semiconductor lasers are used to irradiate the seeds to promote radicle growth and improve seed germination rate. However, the power used is low, which is not conducive to the production of specific mutations in seeds.

[0005] Existing laser breeding equipment is still in its early stages, mainly using single variety lasers to treat seeds or tissues, which cannot meet the demand for large throughput processing, and various problems exist. For example, the above-mentioned patent files, the laser breeding device is generally a simple laser platform or a small instrument, which has the problems of low efficiency, high cost, and low sample processing capacity, which seriously affects the application prospect of laser breeding equipment in large-scale processing of main food seeds. Considering the need to process tons of seeds in a short time in main food planting, a low-cost, high-throughput laser breeding equipment is needed to use laser to excite seed vitality and promote seed mutation. UTILITY MODEL CONTENT

[0006] The utility model provides a multi-wavelength semiconductor laser breeding device to solve the above problems.

[0007] The utility model aims at providing a kind of multi-wavelength semiconductor laser breeding device, comprising: laser breeding light source module, circuit controller and equipment fixed support;

[0008] The equipment fixed support is provided with a plurality of columns, and the top of the equipment fixed support is provided with a supporting table top;The circuit controller is placed on the supporting table top;

[0009] The laser breeding light source module is fixedly connected with the column;The laser breeding light source module is provided with a short-wave laser module and a long-wave laser module, the short-wave laser module and the long-wave laser module are used to emit rectangular light spots, and the rectangular light spots are staggered arrayed on crop seeds;

[0010] The long-wave laser module and the short-wave laser module have the same structure, and each includes a laser, a focusing lens and a lens array arranged from top to bottom, and the central axes of the focusing lens and the lens array are aligned with the light output axis of the laser;

[0011] The laser breeding light source module is electrically connected with the circuit controller through a cable.

[0012] Preferably, the equipment fixed support is a frame structure, and at least four columns with the same structure are provided in the equipment fixed support, and an angle supporting part is provided on each column;The laser breeding light source module is provided with a connecting and fixing flange at the corner, and the fixing flange is fixed on the equipment fixed support by the angle supporting part.

[0013] Preferably, the circuit controller includes a controller housing, a touch display screen, an emergency stop switch, a controller power inlet, and a controller switch.

[0014] The touch display screen and the emergency stop switch are arranged at the front end of the controller housing;The controller power inlet and the controller switch are arranged at the rear and side of the controller housing respectively.

[0015] Preferably, the lower end surface of the laser breeding light source module is further provided with a high-transmittance panel.

[0016] Preferably, the emission wavelength coverage range of the short-wave laser module and the long-wave laser module is 200-2000nm.

[0017] Preferably, the rectangular light spot staggered array forms a rectangular light field with laser energy greater than 50 μmol / m 2 / s.

[0018] Preferably, the multi-wavelength semiconductor laser breeding device further includes a loading platform, which is placed directly below the laser breeding light source module and is used to load seeds.

[0019] Compared with the prior art, the utility model discloses the following beneficial effects can be achieved:

[0020] The utility model discloses a laser breeding equipment based on semiconductor laser adopts high power semiconductor laser as light source, selects proper power density's laser irradiation to seed, utilizes laser coherence characteristic to activate the embryo of seed and nutrient substance and enzyme, realizes the improvement seed vigor and promotes its mutation, improves the cultivation efficiency of the fine breed of crop. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the whole schematic diagram of a kind of multi-wavelength semiconductor laser breeding device according to the utility model embodiment.

[0022] Fig. 2 It is the laser front axle side bottom view of a kind of multi-wavelength semiconductor laser breeding device according to the utility model embodiment.

[0023] Fig. 3 It is the laser breeding light source module bottom view of a kind of multi-wavelength semiconductor laser breeding device according to the utility model embodiment.

[0024] Fig. 4 It is the laser light path schematic diagram of a kind of multi-wavelength semiconductor laser breeding device according to the utility model embodiment.

[0025] REFERENCE NUMERALS:

[0026] 1, laser breeding light source module;

[0027] 11, light source power supply access, 12, shortwave laser module, 121, laser, 122, focusing lens, 123, lens array, 13, longwave laser module, 14, high light transmission panel;

[0028] 2, circuit controller;

[0029] 21, controller housing, 22, touch display screen, 23, emergency stop switch, 24, controller power supply access, 25, controller switch, 26, power indicator;

[0030] 3, equipment fixed support;

[0031] 31, stand, 32, support table, 33, angle support part;

[0032] 4, object carrying platform;

[0033] 5, rectangular light field. DETAILED DESCRIPTION

[0034] Hereinafter, the embodiments of the present application will be described with reference to the drawings. In the following description, the same modules are denoted by the same reference numerals. In the case of the same reference numerals, their names and functions are also the same. Therefore, the detailed description thereof will not be repeated.

[0035] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and do not constitute a limitation on the present application.

[0036] Embodiment 1

[0037] Referring to Figs. 1 to 4 The present embodiment provides a multi-wavelength semiconductor laser breeding device, which comprises: a laser breeding light source module 1, a circuit controller 2, and a device fixing support 3.

[0038] The device fixing support 3 is provided with at least four vertical columns 31 of the same structure, and each vertical column 31 is provided with an angle supporting part 33; the device fixing support 3 is provided with a supporting table 32 at the top, and the supporting table 32 and the vertical columns 31 jointly form the frame structure of the device fixing support 3.

[0039] The laser breeding light source module 1 is provided with a connecting and fixing flange at the corner, which is fixed on the device fixing support 3 through the angle supporting part 33; the laser breeding light source module 1 and the circuit controller 2 are electrically connected through a cable.

[0040] Specifically, the laser breeding light source module 1 is provided with a short-wave laser module 12 and a long-wave laser module 13; the emitting light sources of the short-wave laser module 12 and the long-wave laser module 13 are located at the lower end face of the laser breeding light source module 1.

[0041] The short-wave laser module 12 comprises: a laser 121, a focusing lens 122, and a lens array 123; the laser 121, the focusing lens 122, and the lens array 123 are stacked in sequence, and the central axes of the focusing lens 122 and the lens array 123 are aligned with the light emitting axis of the laser 121.

[0042] The long-wave laser module 13 has the same structure as the short-wave laser module 12; the short-wave laser module 12 and the long-wave laser module 13 are electrically connected with the circuit controller 2 through a cable.

[0043] The lower end face of the laser breeding light source module 1 is also provided with a high-transmittance panel 14 for achieving high transmittance of the emitted light source and playing a dustproof role; the laser breeding light source module 1 is also provided with a light source power supply inlet 11.

[0044] The laser energy emitted by the short-wave laser module 12 and the long-wave laser module 13 exceeds 50 μmol / m2 The laser breeding light source module 1 is used as a laser output module, and the emitted laser is shaped into a rectangular light spot by the lens array 123 (i.e. a large-area light spot formed on the upper surface of the seed by the laser through the lens array).

[0045] The circuit controller 2 is fixed on the support table 32; the circuit controller 2 comprises a controller housing 21, a touch display screen 22, an emergency stop switch 23, a controller power inlet 24, and a controller switch 25.

[0046] The touch display screen 22 and the emergency stop switch 23 are arranged at the front end of the controller housing 21; the controller power inlet 24 and the controller switch 25 are arranged at the rear and side of the controller housing 21.

[0047] The touch display screen 22 is used to set the parameters of various wavelengths of laser output by the laser breeding light source module 1, including but not limited to power, repetition frequency, pulse width, etc.

[0048] The front end surface of the circuit controller 2 is further provided with a power indicator lamp 26.

[0049] Embodiment 2

[0050] The embodiment provides a multi-wavelength semiconductor laser breeding device array which is spliced by at least two groups of multi-wavelength semiconductor laser breeding devices; the multi-wavelength semiconductor laser breeding device is the multi-wavelength semiconductor laser breeding device described in Embodiment 1.

[0051] The laser emitted by the laser breeding light source module 1 is shaped into a rectangular light spot by the lens array 123; the light energy distribution of the laser is higher than 80%, and a rectangular light field 5 with laser energy greater than 50 μmol / m 2 / s is formed at the object platform 4.

[0052] The emission wavelength coverage of the short-wave laser module 12 and the long-wave laser module 13 in the laser breeding light source module 1 is 200-2000 nm.

[0053] The short-wave laser module 12 and the long-wave laser module 13 are used to realize efficient mutagenesis of different crop seeds; the short-wave laser module 12 and the long-wave laser module 13 arranged in an alternating array effectively superimpose laser fields of multiple wavelengths (2-9 wavelengths) to obtain a laser field with uniform energy density of multiple wavelengths, realize uniform mutagenesis of crop seeds, and increase the mutation probability and mutagenesis quality of the seeds.

[0054] Embodiment 3

[0055] The embodiment provides a multi-wavelength semiconductor laser irradiation breeding method, at least one multi-wavelength semiconductor laser breeding device is used for irradiation, and the method comprises the following steps:

[0056] S1. The seeds are laid on the object platform 4, and the object platform 4 is positioned directly below the multi-wavelength semiconductor laser breeding device.

[0057] S2. The laser breeding light source module 1 of the multi-wavelength semiconductor laser breeding device is started, and the seeds are irradiated for 1-30 minutes.

[0058] After irradiation, the indexes are measured; the results show that the seed germination rate is increased by 5-10%, the amino acid content in the embryo is increased by 5-15%, the amylopectin content is increased by 4-16%, the soluble protein content is increased by 20-100%, and the reducing sugar content is increased by 50%. After autumn harvest, the yield per mu is increased by 5-10%.

[0059] The utility model discloses a laser breeding device for agricultural field, which can improve the efficiency and quality of breeding and meet the major needs of agricultural field for large quantities of crop seed processing.

[0060] It should be understood that the various forms of flow shown above can be used to reorder, add or delete steps. For example, the steps recorded in the utility model disclosure can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions of the utility model disclosure can be achieved, which is not limited herein.

[0061] The above specific embodiment does not constitute a limitation on the protection scope of the utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-wavelength semiconductor laser breeding device, characterized in that: include: Laser breeding light source module, circuit controller and equipment fixing bracket; The equipment fixing bracket is provided with a plurality of columns, and a supporting table is provided on the top of the equipment fixing bracket; the circuit controller is placed on the supporting table; The laser breeding light source module is fixedly connected to the column; the laser breeding light source module is provided with a short-wave laser module and a long-wave laser module, the short-wave laser module and the long-wave laser module are used to emit rectangular light spots, and the rectangular light spots are staggered in an array and irradiated on the crop seeds; The long-wave laser module and the short-wave laser module have the same structure, and both include a laser, a focusing lens, and a lens array arranged in sequence from top to bottom, wherein the central axes of the focusing lens and the lens array are aligned with the light output axis of the laser; The laser breeding light source module is electrically controlled and connected to the circuit controller via a cable.

2. The multi-wavelength semiconductor laser breeding device according to claim 1, characterized in that: The equipment fixing bracket is a frame structure, and is provided with at least four columns of the same structure, and each column is provided with an angle support component; the corners of the laser breeding light source module are provided with connecting fixing flanges, and the fixing flanges are fixed to the equipment fixing bracket through angle support components.

3. The multi-wavelength semiconductor laser breeding device according to claim 2, characterized in that: The circuit controller includes a controller housing, a touch screen, an emergency stop switch, a controller power inlet, and a controller switch; The touch screen and the emergency stop switch are arranged at the front end of the controller housing; The controller power inlet and the controller switch are respectively arranged at the rear and side of the controller housing.

4. The multi-wavelength semiconductor laser breeding device according to claim 3, characterized in that: The lower end surface of the laser breeding light source module is also provided with a high light transmittance panel.

5. The multi-wavelength semiconductor laser breeding device according to claim 4, characterized in that: The emission laser wavelengths of the short-wave laser module and the long-wave laser module cover a range of 200-2000 nm.

6. The multi-wavelength semiconductor laser breeding device according to claim 5, characterized in that: The laser energy of the rectangular spot staggered array is greater than 50 μmol / m 2 / s rectangular light field.

7. The multi-wavelength semiconductor laser breeding device according to claim 6, characterized in that: The multi-wavelength semiconductor laser breeding device further includes a carrying platform, which is placed directly below the laser breeding light source module and is used for carrying seeds.

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