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High-pole Street Lamp
Tue Oct 18, 2016 12:07
125.120.86.112

High pole lamp is used for a lighting road , road and other places. beautiful shape, with strong decorative. Large area lighting, lighting effects is good, light source centralized, uniform illumination, glare is small, easy to control and repair.High pole lamp for municipal engineering, road, overpass, packing lot, stadium,freight yard, port, airport and public leisure square and other outdoor lighting engineeringTechnical Requirements on Power ModulesThe modules working power can meet the condition of AC and DC power supply. When it is actually applied, these two types of power supply can be switched for working power of modules which will still work reliably.When it is AC power supplied, the input voltage is AC 220V(±30%); frequency: 50±2HZWhen it is DC power supplied, the tunnel of Huaijian Mountain is DC power supplied and the input voltage is DC 220V (±30%)Power capacity: more than 120% of the nominal power for lamps.The power modules have dimming function.The modules have DC-PWN wave function; that is after inputting DC 0-10V, it is converted to corresponding PWN wave as power driving signal which will adjust the duty ratio of power output and then light source brightness will be changed.Dimming signal of power input: DC 4-10V, the efficiency of dimming is not less than 85% when there is 40%-100% light source brightness.Dimming signal has latch function, for example, when inputting 5V continuously for 1-5 seconds, the light source brightness is kept at 50% even though 5V signal is not input any more.Anti-interference and filtering function: when dimming, the input signal voltage must be kept for 300-500 ms and then the dimming operation is effective.Dimming inspection function: when input dimming signal is less than 3V and lasts for over 5 minutes, the light source automatically output with 100% brightness.Input resistance of dimming signal >=10KΩConnecting modeConnected with terminals (four wires are fixed on the node of terminals, one PE protective ground wire is fixe on the earth electrode of cover.1) Over-temperature adjusting functionWhen PN junction temperature of LED chips is tested too high, the modules can automatically adjust output power to decrease its temperature.2) Capacity of Abnormal Operation ResistanceThat is each LED series group is driven by individual circuit with constant current in LED lamps. This circuit should guarantee safety running and stable current when abnormal condition happens, such as short circuit, LED breakdown etc.,Power coefficient ≥0.95Good heat dissipation system is needed to guarantee the temperature of lamp bead pins no more than 65℃ when LED lamps are under normal working condition.Optical Performance of Lights.Whole luminance decrease of lampsNo more than 10% after 15000 hours working (retention rate of light output is over 90%); no more than 20% after 50000 hours working (retention rate of light output is over 80%)Each LED chip adopts optical design with individual luminous lens to make the ray-cast with precise bearing, high transmittance, stable properties for physical and chemical.Beam angle and light distribution curve of lamps will be provided. The lamps should be professional for tunnel to get great lighting effects on road and asymmetrical batwing type light distribution.The ratio between total down luminous flux and energy consumption of lamps is ≥9tu0lm/wIlluminance evenness of each lamp is ≥0.6 It should be rectangular light spot on the road when light source of each lamp radiates; when installation height is 5m, the rectangular light spot size should be length ≥ 20m, width≥ 10m, illuminance evenness≥0.6Requirements on lighting designAfter the lamps are installed according regulated installation specifications, they should meet the requirements of CJJ45-2006 standard.Laser RadiationWhen normal working, the laser radiation in the luminous area, which is 2m off the ground, can not exceed its Class I limitation classified according to GB7247.1  Lamp reliabilityMTBF of the whole lamp should not be less than 50000 hoursPerformance of lamp coverTextures and appearanceThe lamp cover, whose surface is sprayed by grey powder, adopts aluminum casting with high quality. It has good weather-proof performance. The surface should bear the mechanical stress, salt mist, vehicle exhaust and corrosion from cleaner. The color of lamps and covers are finally decided by users Protecting class of the whole light (Electronic cavity and optical cavity are included): ≥IP65, functions of moisture proof, moisture eliminating and respiratory, inner circuit board should be moisture proof and equipped with respirator which is water-proof as well as breathable to make it work normally in case there is moisture inside the lamp. In addition, the heat from self working will also eliminate the moisture.Corrosion protection capacity of lamp cover: Class IIInsulating grade of lamp Class IAppearance and StructureAppearance requirements: color of painting is uniform, no bubble, no cracks, no impurity; the coating must adhere to base material tightly; surfaces of each part should be clean and smooth. There should be no defects like scratch, crack and transformation.Dimension requirements: The appearance of lamp is finally decided by tenderee.It adopts built-in power supply. It is intelligent, adjustable and with constant current. In addition, it is designed all in one with the lamp body.Our service:1. We just provide good-quality products2.We are sure to give you the most favorable price3.We have professional engineers to design and develop new LED light  according to your requirements url:http://www.streetlight-china.com

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