About the characteristics of LED floodlights
Under low current, the temperature rise of LED floodlight is not obvious. If the ambient temperature is high, the dominant wavelength of the LED floodlight will be red-shifted, the brightness will decrease, and the uniformity and consistency of the light emission will become worse. In particular, the temperature rise of dot matrix and large display screens has a more significant impact on the reliability and stability of LED floodlights. So the heat dissipation design is very important. LED floodlights illuminate objects uniformly from a specific point in all directions, and it is best to use it as an analogy to light bulbs and candles. LED floodlights can be placed anywhere in the scene. For example, it can be placed outside the camera range, or inside an object. It is common to use many floodlights of different colors at a distance in a scene. These LED floodlights can cast and blend shadows on models. Because the illumination range of LED floodlights is relatively large, the illumination effect of LED floodlights is very easy to predict, and this light has many auxiliary uses. For example, placing LED floodlights close to the surface of the object will cause Produces a bright light on the surface of an object.
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Do you know what are the advantages of LED displays?
The LED display screen is equipped with a full-color display screen, and the introduction of higher-quality imported LED chips makes the screen image high-definition, uniform in color, low power consumption, lightweight, thin screen layer, and wide-area viewing angle, so it fails. Small probability, easy maintenance. It mainly adopts the multimedia display card PCTV card that integrates various functions, with more excellent performance, more advanced acquisition methods, accurate video capture, and Studio editing software that matches the display card. DVI interface technology is more advanced. There is no need for A/D and D/A conversion, which ensures the integrity of the picture image, reduces the possibility of details, and completely reproduces the computer image on the display screen. DVI can support all display modes, ensure the stable and reliable data display and also have a variety of integrated functions. The indoor full-color system is used to alleviate the hidden dangers existing in the system display and transmission of a large amount of complex data, and full-color restoration is fully performed. Use the chip to complete the task of data distribution and display, convert the received data to pulse output, convert from 8-bit display data to 12-bit PWM, and upgrade to 4096-level grayscale control, realize non-linear 256-level visual grayscale display on the screen, and fully create a complete True color visual enjoyment.
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How much do you know about LED displays
LED display is a kind of flat panel display, which consists of small LED module panels, and is used to display various information such as text, images, and videos. The LED display screen is an electronic display screen composed of LED dot matrix. By changing the red and green light beads on and off, the screen display content forms such as text, animation, pictures, and videos are converted in time, and the component display control is carried out through the modular structure. LED electronic display integrates microelectronics technology, computer technology and information processing. It has the advantages of bright colors, wide dynamic range, high brightness, long life, stable and reliable operation. LED displays are widely used in commercial media, cultural performance markets, stadiums, information dissemination, news releases, securities trading, etc., which can meet the needs of different environments.
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Do you know what led high bay light is
Led high bay light is a miner's lamp produced with high-brightness LED light source instead of traditional lamp beads as luminous body, and with lithium-ion battery. Compared with the traditional miner's lamp, the product has the advantages of small size, light weight, high efficiency and energy saving lamp. This product can be used for portable lighting in various underground mining operations, tunnel operations, marine operations, maintenance operations, outdoor sports, hunting night fishing, inspection and exploration, soldier equipment and other places. When the led high bay light is used underground, the charging hole should be covered to prevent dust or water from entering the charging hole. Blockage or corrosion of the charging hole will cause the miner's lamp to fail to charge and be scrapped. The miner's lamp should pay attention to maintenance during use. Protect the lamp face glass to maintain the best lighting effect. When cleaning, the miner's lamp should not be put into water, and should be wiped with a damp cloth. Do not over-discharge for a long time during use, otherwise the battery life will be affected. The room temperature of the charging room should be in the range of 0 to 35°C. If it is not within this range, the battery may heat up, which will affect the performance of the battery and shorten the battery life. The led high bay light should be used within the cycle life of the battery, and those that reach the service life should be forced to be scrapped.
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How traffic lights work | high power traffic light
The traffic lights are equipped with induction control, and vehicle detectors are set on the entrances of intersections. The traffic signal timing scheme is calculated by a computer or an intelligent signal control machine. It is a control method that can be changed at any time with the traffic information detected by the detector. The basic method of induction control is induction control at a single intersection, referred to as single-point control induction control. Single-point sensing control can be divided into semi-sensing control and full-sensing control depending on the setting of the detector. Regarding the transportation system as an uncertain system, it can continuously measure its status, such as traffic flow, number of stops, delay time, queue length, etc., gradually understand and master the object, and use the difference to change the adjustable parameters of the system or produce a control . Extended information: history At the beginning of the 19th century, in York City in central England, red and green outfits represented the different identities of women. Among them, the woman in red indicates that I am married, while the woman in green is unmarried. Later, horse-drawn carriage accidents frequently occurred in front of the Houses of Parliament in London, England, so people were inspired by red and green outfits. On December 10, 1868, the first member of the signal light family was born on the square of the House of Parliament in London; The lamppost designed and manufactured by De Hart, a British mechanic at the time, was 7 meters high, and hung a red and green lantern-a gas traffic signal light. This was the first signal light on a city street. At the foot of the lamp, a policeman holding a long pole pulled the belt to change the color of the lantern as he wanted. high power traffic light
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