Jul 09, 2025
The clear core requirements and scene adaptation of high-power LED lighting fixtures
The lighting area and brightness requirements of high-power LED lighting fixtures
High-power LED lighting fixtures select the appropriate power based on the area, height, and lighting requirements (such as illuminance value lux) of the usage scene:
High-power LED lighting fixtures for outdoor squares, docks, etc. (large areas): 100W - 1000W spotlights or high-pole lights are needed to ensure uniform illuminance within a 50 - 100-meter range (for example, a 200W spotlight can cover about 500 square meters).
High-power LED lighting fixtures for industrial workshops (height 8 - 10 meters): 1 - 2 200W industrial work lights can be paired for every 100 square meters, with a target illuminance of 100 - 300 lux.
High-power LED lighting fixtures for road lighting: Rural roads can choose 30 - 50W street lights (spacing 30 - 50 meters), while urban main roads require 80 - 150W, ensuring a pavement illuminance of ≥ 20 lux (main roads).
Key parameters of high-power LED lighting fixtures: Illuminance is measured in "lumen (lm)", and the luminous flux of high-quality 100W fixtures should be ≥ 10,000lm (efficiency ≥ 100lm/W), avoiding "false power marking" (actual power lower than the marked value).
Environmental characteristic matching
High-power LED lighting fixtures for outdoor / humid scenes (such as street lamps, tunnel lights): They need a protection level of IP65 or above (dust + low-pressure water spray protection), and in coastal areas, consider anti-salt corrosion materials (such as 316 stainless steel enclosures).
High-power LED lighting fixtures for dust / oil stain scenes (such as workshops, mines): Select IP66 or above dust-proof design, and the surface of the fixtures should be easy to clean (such as smooth coating).
Flammable and explosive scenes (such as gas stations, chemical workshops): Must comply with explosion-proof standards (such as Ex dⅡCT6), the lamps should have no exposed electric sparks, and the materials should be anti-static.
High-power LED lighting fixtures for low/ high temperature environments: Confirm the working temperature range (such as - 40℃ to + 60℃), and avoid the drive power from failing due to low temperature in cold regions.
Core performance parameter selection for power LED lighting fixtures
Light source and chip quality of power LED lighting fixtures
Chip brand of power LED lighting fixtures: Preferentially choose first-line brands such as CREE, Osram, and Samsung, which have high luminous efficiency (≥130lm/W), slow attenuation (1000 hours of attenuation ≤3%), and more stable lifespan.
Color rendering index (Ra): For general scenarios, Ra ≥ 70 is acceptable (such as workshops); for commercial / precision operation scenarios (such as warehouse inspection), Ra ≥ 80 is required to ensure accurate color reproduction.
Power LED lighting color temperature: For outdoor lighting, choose 5000-6500K (white light, strong penetrating power); for industrial workshops, choose 4000-5000K (neutral light, visually comfortable).
Heat dissipation performance
Large power LED generates heat concentratedly, and poor heat dissipation will lead to accelerated light attenuation and shortened lifespan (for every 10℃ increase in temperature, the lifespan may be halved).
Look at the heat dissipation structure: Preferentially choose aluminum alloy heat sink with fins (large heat dissipation area) or a combination of heat pipe + temperature equalizing plate (efficient heat conduction), avoiding pure plastic shells (poor heat dissipation).
Reference "thermal resistance" parameter: The thermal resistance from the chip to the shell should be ≤ 5℃/W for the best, which can be confirmed through product test reports.
Quality of driving power supply
The driving is the "heart" of the lighting fixture, directly affecting stability and lifespan:
Type of power LED lighting fixtures: Select constant current driving (current stable, protecting LED chips), avoid constant voltage driving (easily damaged the light source due to voltage fluctuations).
Protection functions of power LED lighting fixtures: Need to have overvoltage, overcurrent, short circuit, and over-temperature protection to extend lifespan.
Brand of power LED lighting fixtures: Preferentially choose professional driving brands such as Mingwei and Maoshuo to ensure conversion efficiency ≥ 90% (energy-saving and less heat generation).
III. Additional functions and practicality of power LED lighting fixtures
Intelligent functions of power LED lighting fixtures
Power LED lighting fixtures can be selected as needed: Outdoor fixtures can be equipped with light sensor (automatically turns on at night) and microwave sensor (high brightness when people / vehicles pass, low brightness when no one is present), saving
30%-50% energy; Industrial lights can support 0-10V dimming or DMX512 control system (compatible with intelligent factories).
IoT compatibility of power LED lighting fixtures: Some high-end products support NB-IoT or WiFi connection, allowing remote control of brightness and monitoring of faults (suitable for large-scale cluster lighting, such as smart street lamps).
Installation and maintenance convenience of power LED lighting fixtures
Installation methods of power LED lighting fixtures: Industrial lamps can choose hook, ceiling, or suspension rod installation; Street lamps need to match the diameter of the lamp post (such as 60-76mm), and some products come with quick connection terminals to reduce installation time.
Modular design of power LED lighting fixtures: Preferably choose models with individual replacement of lamp beads and driving (such as COB module), reducing maintenance costs in the future (no need to replace the entire fixture).
When making a purchase, it is necessary to balance "performance - price - scenario". Avoid blindly pursuing high power or low price. For outdoor square LED lights, choose a 200W IP66 spot light (CREE chip + fin-shaped heat dissipation + 3-year warranty), with a budget of approximately 200-300 yuan; for chemical workshop, need a 100W explosion-proof light (Ex certification + constant current drive), with a budget of approximately 500-800 yuan. Prioritize through sample testing (such as measuring temperature and light attenuation after continuous illumination for 72 hours) to verify the actual performance, and then make bulk purchases.
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