Unlock instant, AI-driven research and patent intelligence for your innovation.

A method of promoting tobacco seedling cultivation by using LED plant growth light source

A plant growth and tobacco technology, which is applied in the field of LED light source to promote plant growth, can solve the problems of being far away from the plant growth environment, increasing the difficulty of the process, and increasing the production cost, so as to improve the growth temperature of the space, adjust the light spectrum easily, and achieve outstanding effects Effect

Inactive Publication Date: 2017-11-14
HUNAN LYUMI SCI & TECH
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are two problems in the chip-plus-chip mode: the first is that the spectrum obtained by the mode of blue-light chip plus red-light chip is a line spectrum, which is far from sunlight and far away from the original growth environment of plants; The price is more than 2-3 times that of the Blu-ray chip. At the same time, the double-chip packaging mode itself increases the difficulty of the process and indirectly increases the production cost, thus restricting the application and promotion of LED plant lighting devices in the chip-plus-chip mode

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A method of promoting tobacco seedling cultivation by using LED plant growth light source
  • A method of promoting tobacco seedling cultivation by using LED plant growth light source
  • A method of promoting tobacco seedling cultivation by using LED plant growth light source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Preparation of nitride red phosphor Sr under high temperature and high pressure environment at a temperature of 1700 °C 2 Si 5 N 8 : Eu( figure 1 and figure 2 ), the phosphor has a very strong excitation at 460nm and a very strong emission spectrum at 600nm (see image 3 ), the fluorescent powder and organic silica gel are uniformly mixed according to the mass ratio of 1:10, assembled into LED plant growth light sources, and assembled into LED flat lights (see Figure 4 ), using iron material to assemble the bracket, the length is 69cm, the width is 23cm, and the layer spacing is 17cm, which is used for placing the floating plate, and each layer hangs 1 group of fluorescent powder excited type LED plant growth flat panel lights of the present invention, which is applied to the whole Indoor tobacco seedling cultivation (see Figure 5 ). The room temperature is 28°C, and the light intensity is expressed by light quantum efficiency, which is controlled at 80-150 μmo...

Embodiment 2

[0030] Preparation of nitride red phosphor Sr under high temperature and high pressure environment at a temperature of 1700 °C 2 Si 5 N 8 : Eu( figure 1 and figure 2 ), the phosphor has a very strong excitation at 460nm and a very strong emission spectrum at 610nm (see image 3 ), the fluorescent powder and organic silica gel are uniformly mixed according to the mass ratio of 1:10, assembled into LED plant growth light sources, and assembled into LED flat lights (see Figure 4 ), using iron material to assemble the bracket, the length is 69cm, the width is 23cm, and the layer spacing is 17cm, which is used to place the floating plate, and each layer hangs a group of fluorescent powder excited LED plant growth flat panel lights of the patent invention, which are used in Whole indoor tobacco seedling cultivation (see Figure 5 ). The room temperature is 28°C, and the light intensity is expressed by light quantum efficiency, which is controlled at 80-150 μmol / m 2 / s, the p...

Embodiment 3

[0034] Preparation of nitride red phosphor Sr under high temperature and high pressure environment at a temperature of 1700 °C 2 Si 5 N 8 : Eu( figure 1 and figure 2 ), the phosphor has a very strong excitation at 460nm and a very strong emission spectrum at 620nm (see image 3 ), the fluorescent powder and organic silica gel are uniformly mixed according to the mass ratio of 1:10, assembled into LED plant growth light sources, and assembled into LED flat lights (see Figure 4 ), using iron material to assemble the bracket, the length is 69cm, the width is 23cm, and the layer spacing is 17cm, which is used for placing the floating plate, and each layer hangs 1 group of fluorescent powder excited type LED plant growth flat panel lights of the present invention, which is applied to the whole Indoor tobacco seedling cultivation (see Figure 5 ). The room temperature is 28°C, and the light intensity is expressed by light quantum efficiency, which is controlled at 80-150 μmo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for promoting tobacco seedling cultivation by utilizing an LED plant growth light source. A fluorescent powder-excited LED plant growth light source is prepared by combining a red-emitting phosphor powder and a blue-light chip. The phosphor powder is an aluminate matrix, a vanadate matrix, or Nitride matrix, the phosphor can be effectively excited in the wavelength range of 440-470nm, and has obvious emission in the wavelength range of 600-660nm. The phosphor and organic silica gel are mixed according to the mass ratio of 1:4-20. By adopting the fluorescent powder excitatory LED, it can not only provide enough light for tobacco leaf seedling cultivation, but also increase the growth temperature of tobacco leaf seedling cultivation space by 2-5°C, and effectively shorten the time for tobacco leaf seedling cultivation under the premise of ensuring or even improving the quality of tobacco leaf seedlings. time. This method is suitable for greenhouse supplementary light and full indoor seedling cultivation in areas with insufficient light during the tobacco seedling cultivation period, or uninterrupted full indoor seedling cultivation throughout the year, and can be widely promoted.

Description

technical field [0001] The invention belongs to the technical field of LED light sources for promoting plant growth, and in particular relates to a method for promoting tobacco seedling cultivation by utilizing LED plant growth light sources. Background technique [0002] my country is the largest tobacco producing country in the world, and the tobacco industry has a unique position in the national economy. [0003] Light is an important environmental factor for crop growth and development. Light quality (band composition) and light intensity have a great impact on crop morphogenesis, photosynthesis, metabolic regulation and quality. The flue-cured tobacco seedlings in Hunan, Fujian, Yunnan and other places are carried out from January to March every year. This period is the season with the lowest annual temperature and light intensity, the least number of light hours, and frequent cold waves. This unfavorable climatic condition has led to the adoption of greenhouse heat pr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/04F21K2/06F21Y115/10
CPCA01G7/045F21K2/06Y02P60/14
Inventor 周智盖淑杰刘清玲杨建奎刘晓颖欧阳显亮黄浩龚婷
Owner HUNAN LYUMI SCI & TECH