Guide to Shop Smart Flood Light in ALLTOP Lighting

As a way of human traffic tunnel, is made up of a semi-closed structure of underground space. Because of its special structure, the tunnel cannot direct sunshine, also need lighting during the day. Lighting system was one of the most important facilities in modern tunnel engineering, since entering the 21st century, LED lighting technology development has become increasingly strong, LED tunnel light gradually occupied most of the tunnel lighting market. LED tunnel lamps and lanterns has high luminous efficiency, high coefficient of color, the characteristics of long service life, high efficiency and energy saving, low power consumption, and the LED lamps and lanterns has the perfect dimming function, can according to the size of day and night, and the number of cars and other factors change level tunnel lighting, LED lighting lamps and lanterns for the tunnel ushered in the era of intelligent lighting. LED lighting tunnel light intelligent control system according to various road lighting requirements, in addition to the reasonable distribution of tunnel lighting illumination, can also support a variety of intelligent dimmer. As tunnel lighting LED tunnel lights, at the same time also can according to the period of time, season, weather, and so on and so forth the function of automatically adjust the brightness to the appropriate location, lighting system built in different scene model, realize the integration of management, in order to ensure traffic safety. Want to learn more industry information or ask price, can call advisory

This year marks the 70th anniversary of the victory in the war to resist. We should not forget, more than 70 years ago our combat hero huang jiguang give the enemy guns. Is happening so tragic hero of the story, why is led by huang jiguang team prostrate moved toward the enemy bunker, its action is the enemy and flare radiation exposure, under enemy fire machine, heavy casualties, huang jiguang had to make a feat. The flare is how? Flare inside a special lighting device, containing lighting agent. It contains metal fuel, oxides and several kinds of material such as glue. Metal fuel is mainly made of magnesium powder and aluminum powder. Magnesium powder and aluminum powder burns, can produce thousands of degrees of high temperature, emit bright light. Oxide is barium nitrate and sodium nitrate, they can release a large amount of oxygen during burning, accelerate the magnesium, aluminum powder burning, enhance luminous intensity. Adhesives are mostly using natural drying oil, rosin, shellac and other ingredients, it can holds in a potion of slow-burning role, ensure lighting agent has certain burning time. Lighting agent on lighting box, the box bottom connection with parachute. Embodiment in the air as a 'lightsaber' as flare ( Pictures from Internet) After the flare was launched into a predetermined airspace, start time of the projectile fuze ignition, ignition lighting agent, incandescent light on the earth. Flare can continue to burn for a period of time. At this point, their can quickly observe enemy deployment, to observe the effect of their shooting, shooting correcting deviation, so as to ensure the accuracy of the attack. Defense, the flare can also be used for reconnaissance, search for the enemy, to facilitate our timely monitoring activities of the enemy. Flare light is very bright, arise from the caliber flares in the light, brightness can reach 40 - 500000 candles, duration of 25 - 35 seconds, can lighting within 1 km of the goal. In battle, but with the help of a flare of light and quickly identify the enemy's deployment, to observe the effect of our shooting, shooting correcting deviation, to ensure the accuracy of attack; In defence, can timely monitoring the enemy's activity. Many different kinds of flare, in addition to the artillery with flare, also appeared a lighting bombs, rockets flares, grenades, lighting grenade and illumination mines, etc. The launch of its good ways. Can from the plane, also can launch from the grenade launcher. Some tactics in times of need, behind have a parachute. In order to increase the illumination time is, in order to achieve tactical objectives. YanZhiXiang



science popularization in China's military technology frontier
the author YueJiangFeng

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for countries to develop the new rural construction in recent years, so now the rural areas have been installed solar street light. Just for a few years ago is solar energy hot rise stage, so the solar technology is not so mature, as they are now in rural solar street light situation is not optimistic, the following is composed of small make up take somebody else to understand the status quo of nowadays rural solar street light.


a, rural solar street lamp brightness dark
many undesirable businessman in pursuit of profits, on the market for engineering, procurement of false configuration of solar street lamps, cut corners, cut power of photovoltaic panels and battery capacity, thus lead to actual solar street lamps lighting effect is not ideal, brightness and dark. Add light source used ordinary led chip, light failure, low lumen value, led to more dark brightness.
2, short service life, many rural solar street lamp lights has stopped
some manufacturer use fewer battery, led to the short service life of the rural solar street light. And normal battery life in five years, five years ago to install solar street lights in rural areas because there is no special fund replacement battery, the battery failure, solar street lights stop lights.
3, high rate of solar battery stolen
for a few years ago are rural are using colloidal battery solar street lamps, buried in the ground, second-hand recycling price is high, easy to steal. Now are using solar power lithium batteries, installed on the top of the light pole, theft of trouble, because the gel battery rate higher relative to the lithium battery is stealing.


that is rural status quo of solar street lamps, so small make up think the engineering, procurement, be sure to find formal and powerful manufacturer of solar street lamps, so that product quality and service life is guaranteed.

LED lighting is the third light source revolution after incandescent lamp and fluorescent lamp. Due to its many advantages such as energy conservation, environmental protection, long service life and wide application, major countries and regions in the world are vigorously developing LED industry. At present, LED industry has entered a period of rapid development, the LED market scale in 2013 was 12. 4 billion US dollars, and in 2020 it will reach 150 billion US dollars, with a compound growth rate of 42. 6. As one of the major LED producing and consuming countries, with the gradual advancement of policies and the outbreak of demand, China's LED industry is facing significant historical opportunities and will have huge investment opportunities. The investment gold mine of LED industry is rich in the change of industrial development trend. First, after technological progress and industrial upgrading are accelerated and costs are greatly reduced, the application scope of LED products is continuously increasing and the market scale is expanding day by day. 3 ~ Within 5 years, the compound growth rate of LED lighting demand scale will reach 30 ~ 40. Second, demand start-up and policy promotion, LED industry driving force from backlight application to lighting application, 2013 ~ In 2016, the penetration rate of LED lighting increased from more than 10 to about 50, driving the whole LED lighting industry chain into a high boom cycle. Third, the competition pattern has changed, and LED production capacity has gradually shifted from the United States, Japan and the European Union to mainland China, Taiwan and South Korea. Fourth, the speed of industrial integration has obviously accelerated, the industrial concentration has gradually increased, and the industry leaders with core technological advantages, channel advantages and scale advantages have grown rapidly. Investment strategy: under the trend of LED lighting outbreak, we are optimistic about the long-term investment value of LED plate. The investment viewpoint is divided into the following aspects :[img] /uploads/allimg/140329/22-1403291021453 T. jpg [/img] First, look at the entire LED plate, with super-matching value: In the long run, the lighting penetration rate will accelerate, expected 2013 ~ In 2016, the penetration rate of LED lighting increased from more than 10 to about 50, driving the whole LED lighting industry chain into a high boom cycle. Second, the upstream and downstream links of the medium and long-term LED industry chain have investment value: judging from the value chain and development trend of the lighting industry, the profit of LED epitaxial chips currently accounts for about 70, and the packaging link is about 10 ~ 15, and the application link is about 10 ~ 20, the chip link at the front end of the value chain occupies a very high added value. With the promotion of LED application and brand service status, the added value of downstream application and brand service will gradually increase. We believe that the investment value of two chips and lighting appliances in the medium and long term LED industry chain has investment value in the short and medium term. Third, the short-term configuration time point has arrived, the current LED plate adjustment in place, buy points. In the short term, we believe that from the perspective of fundamentals and valuation, the current configuration of the LED plate has a time point. 1 Taiwan 1 ~ LED industry data in February exceeded expectations; 2 Traditional 4 ~ The peak season in May is coming; (3) We expect the annual revenue growth rate of LED sector in 14/15 to be above 50 and 30, and the corresponding PE is only 30 and 21 times at present. Fourthly, the acceleration of industrial integration and the investment opportunities in the rapid growth of advantageous enterprises in segments: the integration speed of LED industry has obviously accelerated, and the industrial concentration has gradually increased, the leading segment of the industrial chain with core technology advantages, channel advantages and scale advantages will grow rapidly through extensive expansion.

A complete solar lawn lamp system includes: light source, controller, storage battery, solar battery components and lamp body. [2] When sunlight shines on the solar cell during the day, the solar cell converts light energy into electrical energy and stores the electrical energy in the battery through the control circuit. After dark, the electric energy in the battery powers the LED light source of the lawn lamp through the control circuit. At dawn the next morning, the battery stops supplying power to the light source, the lawn lamp goes out, and the solar battery continues to charge the battery, repeating and cyclical work. [3] The controller is composed of a single-chip microcomputer and a sensor, which controls the on and off of the light source part by collecting and judging the light signal. The lamp body mainly plays the role of system protection and decoration during the day to ensure the normal operation of this system. Among them, the light source, controller, and battery are the keys to determine the performance of the lawn lamp system. The system pivot diagram is shown on the right. [4] Solar cell 1. The type of solar cell converts solar energy into electric energy. There are three types of solar cells: monocrystalline silicon, polycrystalline silicon, and amorphous silicon. (1) The performance parameters of monocrystalline silicon solar cells are relatively stable, and they are suitable for use in southern areas where there are more cloudy and rainy days and insufficient sunlight. (2) The production process of polycrystalline silicon solar cells is relatively simple, and the price is lower than that of monocrystalline silicon. It is suitable for use in the eastern and western regions with sufficient sunlight and good sunlight. (3) Amorphous silicon solar cells have relatively low requirements for sunlight conditions, and are suitable for use in places with insufficient outdoor sunlight. 2. Working voltage The working voltage of the solar battery is 1.5 times the voltage of the supporting battery to ensure the normal charging of the battery. For example, you need 4.0~5.4V solar battery to charge 3.6V battery; 8~9V solar battery is needed to charge 6V battery; 15~18V solar battery is needed to charge 12V battery. 3. Output power The output power per unit area of u200bu200bsolar cells is about 127 Wp/m2. Solar cells are generally composed of multiple solar cells in series, and their capacity depends on the total power consumed by the light source, line transmission components, and local solar radiation energy. The output power of the solar battery pack should exceed 3~5 times the power of the light source, and it should be (3~4) times or more in areas with abundant sunlight and short lighting time; otherwise, it should be (4~5) times or more. [5] The storage battery The storage battery stores the electric energy generated by the solar panel when there is light, and then releases it when lighting is needed at night. 1. Type (1) Lead-acid (CS) battery: used for low-temperature high-rate discharge, low capacity, currently most solar street lights are used. The seal is maintenance-free and low in price. However, attention should be paid to prevent lead-acid pollution and should be phased out. (2) Nickel-cadmium (Ni-Cd) batteries: high discharge rate, good low temperature performance, long cycle life, small systems are used, but attention should be paid to prevent cadmium pollution. (3) Ni-H (Ni-H) battery: high-rate discharge, good low-temperature performance, low price, no pollution, and green battery. Can be used for small systems, this product should be vigorously promoted. Currently, there are three widely used lead-acid maintenance-free batteries, ordinary lead-acid batteries and alkaline nickel-cadmium batteries. 2. When the battery is connected in parallel, the imbalance between the individual cells should be considered, and the number of parallel groups should not exceed four. Pay attention to the anti-theft problem of the battery during installation.