6 Basic Points to be knew in the LED Plant Lighting Industry

6 Basic Points to be knew in the LED Plant Lighting Industry -

6 Basic Points to be knew in the LED Plant Lighting Industry

1. What is the biggest difficulty?
Led plant lighting is the product of interdisciplinary and organic development of biology, facility horticulture, vegetable science, plant physiology, plant nutrition, biological environmental engineering, LED lighting, intelligent control technology and so on. Therefore, it is not enough to be good at one or both of semiconductors, plants and intelligent systems. Full cooperation and cross research and application are very important. The biggest difficulty in entering the LED plant lighting market is that in order to develop and produce high-yield, high-quality and ecological led plant light sources or lamps, it is necessary to solve the development problem of how to integrate the intelligent regulation of light environment, plant photobiology and LED semiconductor technology at the same time.
2. What does plant photobiology mean?
The study of plant photobiology law is an important basis for LED plant lighting, including the study of quantitative attributes (light intensity and light period), quality attributes (light quality and spectrum), luminous characteristics of electric light source (duty cycle, frequency), etc. Plant photobiology has high complexity and systematicness.
Light quality refers to the type of light quality that has an effect on organisms, including visible light, UV and far red light. In terms of light quality biology, we should make clear the following problems:
First, the biological function of light quality, the physiological metabolism, molecular biology and proteomic mechanism of the effects of single light quality and compound light quality on plant growth, yield and quality;
Second, the mechanism of light quality adaptability and utilization difference among plant species and varieties;
Third, the biological mechanism of the interaction between light quality and other environmental factors;
Fourth, the effective threshold and reference value of light quality quantity attribute of lighting facilities.
In addition, the response mechanism of photosynthetic mechanism operation efficiency under weak light, strong light and continuous light also needs to be studied.
3 why are the light formulas of different enterprises but the same plant different?
Establishing the lighting formula required for the growth and development of various plants with high quality and high yield is the basis for the development of LED plant lighting industry.
Aiming at high quality and high yield, the light formula is a parameter set of light quality and quantitative attributes required by plant species and varieties at each stage of growth and development. The suitable light formula for each plant and different growth stages is different.
Different enterprises have different or even very different light formulas for the same plant, which is mainly related to the enterprise's plant growth objectives. Simply put, enterprises can reduce the requirements according to the market demand and their own development needs. If they only need to exceed the minimum light formula demand for plant growth and relax the requirements for other environments for biological growth, not only the light formula will be different, but also the environmental control system will be very different.
On the contrary, enterprises can also set strict requirements and try to create the best growth environment and conditions for plants, so that the developed lighting formula is good. In the future, with the introduction of relevant standards and requirements in the field of LED plant lighting in China, the lighting formula will be gradually unified or the consistency of basic conditions will be maintained.
4 what principles should be paid attention to in the R & D and production of LED plant growth light source and lamps?
Led plant growth light sources and lamps are the core of LED plant lighting industry. Enterprises need to develop light sources and lamps for plant growth according to lighting formula.
The following four principles should be noted:
First, based on the principle of high light energy utilization, formulate reasonable spectral components, maximize the luminous efficiency of LED light source, reduce the distance between light source and irradiated plants, reduce light loss and improve light energy utilization efficiency;
Second, the principle of low cost, which is one of the most important factors determining the development of LED plant lighting industrialization;
Third, the principle of ecological security, in the red and blue spectrum, add a small amount or a small amount of green light to increase visual health;
Fourth, give priority to the development of high value-added LED light sources and lamps for plants.
5 what is plant light environment control and what aspects are included?
Light environment control aims at high quality and high yield. Based on the plant species cultivated in each production system of the plant factory and the light formula at each stage of variety growth, it directly controls and switches the space-time management of light environment parameters by computer.
For example, greenhouse lighting needs to consider the daily variation parameters of natural light, environmental parameters, plant photosynthetic physiological parameters, plant growth stage and lamp attributes, implement economic and effective lighting methods, meet the needs of light intensity, light quality and light cycle, and save energy and efficiency.
Plant light environment control mainly refers to controlling the light quality, light intensity, light period, spatial position and moving speed of LED lamps. Light environment control has obvious temporal and spatial characteristics, so it is very important to establish dynamic real-time control. It is the general trend to realize the automation and intelligence of LED plant lighting light environment control.
6. What indicators and performance are mainly concerned in the design of LED plant lighting lamps?
Designers of LED plant lighting lamps need to pay attention to the following indicators and performance: 1. Uniformity of illumination; 2. Rationality of light quality composition; 3. Reliability of heat dissipation; 4. Suitability of LED chip power; 5. High efficiency of luminous surface; 6. Visual comfort.

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