1、 Disconnection. For "dead light", we should first determine major Plant light Is it short circuit or open circuit. 2、 The adhesive layer is peeled off. For some LED energy-saving project lights with vertical chips, the common reasons for dead lights are the peeling off of the bottom of the chip bonding layer and the peeling off of the bracket coating. 3、 The welding spot is burnt. In some cases, the dead light of the bulb may not be caused by the bulb itself, but also by the power supply used. 4、 Chip corrosion. The previous energy-saving floodlights and energy-saving floodlights are open circuit. The following is the condition of short circuit dead light. major Plant light There are many reasons for dead lights. Dead light may appear in every link from packaging, application to use.

There are many types of LED street lights, which can be classified according to the following categories. 1 major Plant light Height of street lights: high pole street lights, medium pole lights, street lights, garden lights, lawn lights; 2, according to major Plant light Material of lamp pole: hot-dip galvanized railway lamp, steel street lamp and stainless steel street lamp; 3. Divided by shape: Chinese lamp, antique lamp, landscape lamp, single arm street lamp, double arm street lamp. 4. According to the power supply mode: urban circuit light, solar street light, wind solar complementary street light.

(1) Recommended installation height of 50W LED energy-saving mining lamp: 3-5 meters; Installation distance: 5-8m. (2) Recommended installation height of 100W LED energy-saving mining lamp: 6-8m; Installation distance: 8-10 m. (3) 120W LED energy-saving mining lamp Recommended installation height: 8-10m; Installation distance: 8-10 m. （4）150W major Plant light Recommended installation height: 10-15m; Installation distance: 8-12m. （5） major Plant light 200W Recommended installation height: 10-15m; Installation distance: 10-15m. (6) LED energy-saving mining lamp 300W recommended installation height: 15-20m; Installation distance: 20-25m. (7) Recommended installation height of 450W LED energy-saving mining lamp: 15-20m; Installation distance: 25-30m

Reason 1: The cost of installing street lights on expressways is very high, and the installation distance of street lights is generally 30 meters to 40 meters. If the 50 meter street light is regarded as hundreds of kilometers on any expressway in China, the street light will be installed. major Plant light The cost is very high. The second reason is that the expressway has a high safety factor. The expressway is a closed road connecting the city and the city. In the absence of pedestrians and non motorized vehicles, urban street lights are designed for the safety and convenience of non motorized vehicles and pedestrians. Third, automobile headlights and road reflective signs are sufficient to meet the lighting needs. Xuchang major Plant light Discontinuous and uneven. For drivers of high-speed vehicles, this kind of light dark alternation will cause visual illusion, which is very dangerous.

1. Compared with traditional lamps, LED lighting has obvious energy-saving advantages. Just use major Plant light The initial investment to replace traditional lamps has increased, but cost recovery can be achieved by saving electricity charges in a relatively short time. The earlier you replace it, the more you can enjoy the benefits of energy conservation. 2. The energy-saving performance of LED lighting is the choice to replace the traditional mining lamp. In the context of global energy contraction and the national conditions of governments at all levels to vigorously promote energy conservation and environmental protection, replacing traditional lamps will become major Plant light The general trend of. There is a lot to do.