One hundred and twenty Watts LED Street Lamp

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Basic specification:

Q: Solar LED street lamp, how much is a set of solar street lamps wholesale price?: Now the conventional 6 meter 30W power solar energy set price is about 1260 yuan, the detailed price ha needs to calculate according to the lighting time and the rainy days.

Q: General installation steps of lawn lamps?: When wiring the lawn lamp, a metal case for connecting the lamp or lamp post is applied with a wire not less than the distribution line as the ground wire, and the ground connection system is used for the ground". When the grounding wire length more than 25 meters, the end of a repeat grounding, repeat grounding can be buried in a 4mmx40mm, 25 meters long galvanized flat steel, 5 grounding, grounding galvanized steel angle 5x50, 2.5 meters long, vertically into the ground, grounding and galvanized flat steel are welded distance the requirements for grounding resistance of less than 4 euro. Why is the size of the earth wire not smaller than the phase line? Because one phase line is short circuited to the device shell and the ground wire releases all the current.

Q: What shape should the reflector of the searchlight mirror have before it can be fired by a point light source, Guang Xianping?: Working principle: the searchlights played a major role in the concave mirror, reflecting surface is a concave paraboloid, the focus in front of the mirror, parallel light on it, and gathered in the mirror before the focus through its reflection; when the light source is in focus, reflecting light emitted after the parallel beam.

Q: Why do street lights use bat wings to match the light curve?: This is according to the common high-pressure sodium lamp street light distribution, and now the LED street lamp is just imitating him, oh, no one knows what to do later.

Q: What's the main reason for LED street lights?: The quality of the LED itself is the main reason

Q: What qualifications does LED street lamp product need? Do you need 3C certification?: 3C certification is called "mandatory product certification system", it is the governments to protect consumers' personal safety and national security, enhance product quality management, in accordance with the laws and regulations the implementation of a product conformity assessment system.

Q: Digital T6 multi-function led searchlight out of what happened?: In general, this case is the cause of the battery, if it is a lead-acid battery, you can add battery liquid (electrolyte, dilute sulfuric acid, two yuan a large bottle), if added, also useless, you have to change.

Q: How about the PHILPS floodlight?: The light of the wafer LED floodlight is wafer, and the price varies greatly with different chips. The wafers in Japan and the United States are more expensive. In general, the prices of wafers made in Taiwan and China are lower than those in Japan and the United States (CREE).

Q: LED lamp with air leakage to help the thunder?: There is no air leakage with LED lights for the role of lightning protection. The function of the switch of leakage air breaker is to work by current. To enable the street circuit with lightning protection function, must use a surge protector, installation and circuit breaker in parallel. It works by limiting the overvoltage and cutting off the circuit as long as the voltage exceeds the set point to protect the electrical equipment.

Q: What's the problem with moisture in the floodlights?: Materials to be used: LED guardrail light clip, transformer with water proof function, sub controller, steps as follows:1, install guardrail, punching on the wall, spacing according to actual requirements, usually in 3 cm;2, do anti-static measures, such as work platform to ground, workers wear the corresponding electrostatic clothing, anti-static measures, because different grades of LED floodlight quality is different, antistatic ability is different;3, installation pay attention to sealing, sealing is not good, diameter affects the LED floodlight service life;4, LED flood light wiring is best not more than 25 centimeters, transformer power can be larger, or else affect brightness.

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