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In 2008, the lightning protection branch of the China Quality Association conducted a preliminary assessment of the main domestic market for SPDs (surge protectors) in China. At that time, the market capacity was about 14 billion yuan, of which the security sector accounted for 1.5 billion. According to the article, in 2008, there were more than 600 companies with surveillance camera manufacturing capabilities in China, with 15 million surveillance cameras each year, and a total security and lightning protection market of 1.5 billion yuan. In 2014, according to surveys by some authoritative organizations, China’s surveillance camera companies have exceeded 1,200, and there are more than 550 surveillance camera manufacturers in Shenzhen alone. In 2014, the total output of all kinds of surveillance cameras in China was about 24 million units, and the total market for surveillance cameras was nearly 3 billion yuan.
In 2008, the lightning protection branch of the China Quality Association conducted a preliminary assessment of the main domestic market for SPDs (surge protectors) in China. At that time, the market capacity was about 14 billion yuan, of which the security sector accounted for 1.5 billion. According to the article, in 2008, there were more than 600 companies with surveillance camera manufacturing capabilities in China, with 15 million surveillance cameras each year, and a total security and lightning protection market of 1.5 billion yuan. In 2014, according to surveys by some authoritative organizations, China’s surveillance camera companies have exceeded 1,200, and there are more than 550 surveillance camera manufacturers in Shenzhen alone. In 2014, the total output of all kinds of surveillance cameras in China was about 24 million units, and the total market for surveillance cameras was nearly 3 billion yuan.
Thunderstorm season without lightning protection
In recent years, with the emphasis placed on lightning protection by the country and the industry, the lightning protection requirements of the monitoring system have been referred to a very high status. In some product specifications or in the project bidding documents, the lightning protection function can often be seen. This is a good phenomenon and meets the requirements of technological progress. However, since lightning protection technology is an interdisciplinary subject involving many disciplines such as high-voltage technology, electromagnetic field and electronic technology, it is not necessary to install a few SPDs (surge protectors) to complete a reliable and effective lightning protection design. The problem is that we often find that the SPD is installed and the equipment is still damaged; some companies claim to have lightning protection, but the actual installation is concerned about the signal SPD affecting the transmission and work of its own equipment, skipping the SPD phenomenon in the chassis, SPD into The furnishings. The first case may be that there is no scientific installation of SPD, and the second is totally deceptive. The fundamental problem between the two is that they do not recognize the importance and complexity of lightning protection. In addition, in reality, only re-inspection and acceptance of operational effectiveness are the hotbeds for such phenomena.
The solution to these problems first requires security manufacturers to recognize the importance of lightning protection, and consciously guide the entire industry toward a rational and steady development. Since lightning protection is a technology that is not easy to simulate and reproduce, the performance of the product cannot be reflected in the use immediately, making the phenomenon of fraudulent and fraudulent clearance very common. Under the current institutional environment, users only have to strengthen their own technological understanding and strengthen the screening of suppliers. At the policy level, we propose to implement a product certification system and supervision system.
Three <br> <br> start doing mine works in the security construction process, mainly in three aspects need to do the construction of the power system protection protection, outdoor equipment and system grounding.
Ultra Plantâ„¢ Grow Light is combined our advanced All-In-One technology with patented optical design and customized light full spectrum supported from our experienced LED engineers, plant specialists and other partners working on horticulture.
Ultra Plantâ„¢ is the most versatile horticultural grow lighting fixture for indoor plants with flexible full spectrum, brightness control and uniform, wider light distribution, suitable for top lighting of all types of crops. No matter it applies to anywhere for any crop, Ultra Plantâ„¢ can do perfect work for you.
Modern security system devices are basically electronic products and involve computers. They are very sensitive to lightning overvoltages, electrostatic discharges, electromagnetic radiation, and other disturbances and are extremely vulnerable to damage. In addition, a large number of networked networks are now used to control and use outdoor equipment, and the harm caused by lightning strikes is becoming increasingly apparent. According to statistics, the losses caused by lightning damage in the world are as high as one billion US dollars each year.