China's LED plant lighting is in a difficult start

In recent years, LED lighting products that promote plant production have attracted attention. These LED bio-lighting products are known as plant factories. From the perspective of industry scale, LED bio-lighting applications are still in their infancy. Giving a little sunshine is a ridiculous word between people. However, in the field of bio-illumination, whether it is plants, animals, or even micro-organisms, giving light can be brilliant. According to industry analysts, in 2013, the global plant factory LED lamps output value of up to 1.2 billion US dollars, an increase of 27. compared with 2012. Moreover, LED bio-lighting is still in livestock and aquaculture, plant tissue culture, edible fungus cultivation, fishing light With the use of trap light applications and other aspects. Liu Wenke, a researcher at the Institute of Agricultural Environment and Sustainable Development of the Chinese Academy of Agricultural Sciences, believes that for modern agriculture, the demand for artificial light illumination is necessary and urgent. Wang Junxi, deputy director of the Semiconductor Lighting R&D Center of the Chinese Academy of Sciences and deputy secretary-general of the National Semiconductor Lighting Engineering R&D and Industry Alliance, emphasized that LED is a solid-state cold light source with high purity, high luminous efficiency, rich wavelength, light intensity and light quality. Convenient modulation, as well as energy saving, environmental protection, long life and other advantages, is the best source of light control for agricultural production. However, LED bio-lighting is experiencing a difficult start in China. The pressureful start-up period compared with traditional plant lights, LED plant lighting has obvious advantages of energy saving and efficiency. International LED manufacturers such as Philips, Mitsubishi Chemical, Seoul Semiconductor, Taiwan Everlight, Showa Denko, and Japan Pot Qing have invested in bio-lighting, which has led to a rapid growth in industrial development. Liu Wenke provided a data. From the perspective of the global market, preliminary statistics show that the LED bio-lighting market has reached 10 million US dollars in 2013. It is expected to exceed US$35 million in 2014 and reach US$300 million in 2017. At present, LED bio-lighting applications are concentrated in countries and regions where agricultural land resources are scarce or engaged in less agricultural personnel. Japan, South Korea, the United States, Europe and other places are the main sales markets for LED bio-lighting. In China, facilities such as horticulture, recirculating aquaculture, offshore fishing, plant protection, urban agriculture, and family farming all have urgent needs for LED semiconductor lighting, showing a momentum of comprehensive development. The application prospect of modern agricultural lighting is very broad. It is estimated that its industrial scale is over 100 billion yuan, and it is expected that there will be greater development in the next 5 to 10 years. Liu Wenke has high hopes for LED bio-lighting. However, analyst Yan Shuai pointed out that from the perspective of industry scale, LED bio-lighting applications are in their infancy. At present, there are not many manufacturers of LED plant lights in China. They are mainly small and medium-sized enterprises, mainly distributed in Shenzhen and Dongguan. The products are mainly exported, and most of them have not formed sales scale. Moreover, the price of LED bio-lights is slightly higher than other light sources, and LED bio-lighting applications have invested heavily in the early stage and cannot compete with other light sources. According to industry sources, the development of relevant technical standards during the initial period has not been followed up, and the user's usage habits have not been cultivated. Most importantly, LED bio-lighting technology is still immature and production costs are too high. Zhang Hongbiao said. Technology and concept are to be followed up by Song Changbin, senior engineer of the Semiconductor Lighting R&D Center of the Chinese Academy of Sciences. Although the current agricultural lighting occupies the main component of LED bio-lighting, the research of LED light source in the agricultural field is still in its infancy and lacks systematic research. It is reported that LED agricultural lighting system is mostly medium and small power, mainly used in the cultivation of seedlings in the horticultural group. High-power light sources require modules such as heat dissipation, and the comprehensive cost is high. In addition, according to Zhang Hongbiao, as international giant chip manufacturers are superior to domestic manufacturers in terms of luminous efficiency and reliability, China's LED bio-illumination product chips still rely mainly on imports. Song Changbin analyzed that the domestic semiconductor chip epitaxial wafer industry started late, accumulated less experience, and subject to patent issues. A large number of core patents are in the hands of early leading companies such as Japan's Nichia and American Corey. Domestic LED companies have relatively weak patent strength in chip extension, which has become the bottleneck for the development of LED epitaxial chip industry in China. Corresponding to the immature technology, the current domestic manufacturers of plant growth lighting fixtures are small in scale and small in number, and most of them are scattered in the manufacture of functional lighting manufacturers. Therefore, the main peak of 660 nm red chip required for agriculture is not formed. Scale, domestic chip epitaxial wafer manufacturers are reluctant to invest in manpower and material resources to develop agricultural red light chips.

The GYQS1500E Road Sweeper is mainly applied to get rid of the solid foreign matters such as the bleeding cement and soil clod on the pavement path of road and bridge, and brush the dust away, as well as clean adhesive layers. Its nylon brush is alternative for routine road cleaning.

Technical Parameters

Brushes made of various materials are interchangeable for different working conditions.
Water spraying and dusting device is installed in the front of brush housing.

Performance
1. The streamlined cabin of the road sweeper owns strong and stable structure, good sealing and sound insulation performance, equipped with integrated overhead air conditioner, makes a comfortable and safe operation environment.
2. This machine is regular tricycle structure of automated ground drive, which concentrates mechanical unit, electrical unit and hydraulic unit all in one, with features of novel, brief, light and flexible structure.
3. Key parts of hydraulic unit are all from the famous manufacturer in the world, such as complete hydraulic transmission, brushing and traveling of infinite variable speed.
4. Hydraulic swing device can swing no more than 15 degrees to left and right and shoot out the collected matters directionally.
5. Optional side brush is easy to be installed and detached, for sweeping the dead corners formed by curbstones and road barriers.
6. Hydraulic lifting device and adjustor will get the brush holder within the upper and lower limits, and freely adjust the sweeping force.
7. Hydraulic steering system is flexible and convenient.
8. The air inlet of engine air filtering system is highly mounted with pre-filter, and the dry and wet composite desert air filter with two-stage filtration keeps the engine longer service life.
9. Steel brush of the road sweeper is made by special processing technology, which will effectively brush the impurities on the pavement powerfully, with advantages of high level of mechanization and good brushing performance. 
10. Dash panel with brush pushing-down scale indicator on the right side can show the brush pushing-down scale value and contact face area with ground for a better work of the brush.
11. Strong wind produced by blower system will blow the impurities and dust away directionally to improve the pavement cleanness and effectively improve working efficiency, which provide reliable safeguards for the next construction procedure, especially for the construction technology which requires high viscosity.
12. The electrical control system of the road sweeper applies components meeting the standard of automobile industry; electrical master control box with optimized circuit protects the electrical components if any faults and makes itself easy to repair and maintain.

Road Sweeper

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Henan Gaoyuan Road Maintenance Equipment Co., Ltd. , http://www.sgroadmachinary.com