How to choose the best flood light for stadium lighting?
Basic Requirements of Stadium Lighting
Illumination
According to international standards, the illuminance of a soccer field usually needs to be 2000 to 2500lux, while for more professional matches or TV broadcasts, the requirement can be 3000 to 5000lux. for example, FIFA requires a minimum average illuminance of 1500lux for soccer fields, and for high-quality broadcasts, it is even required to be 2000 to 3000lux. the illuminance of a basketball court is The illumination level of basketball courts is relatively low, generally requiring 500 to 750 lux.
Uniformity
The uniformity of lighting is very important to ensure the visual experience. International standards stipulate that the uniformity of stadium lighting (the ratio of maximum to minimum luminance) should be maintained at 0.6 or above. Insufficient uniformity can lead to low illumination in some areas, affecting the sight lines of the game and increasing the risk of accidents for athletes.
Color Temperature
The impact of color temperature on athletes and spectators at sporting events should not be ignored. Higher color temperatures (5000K-6500K) provide clearer, more vivid colors. Television broadcasts have high requirements for lighting color temperature, and a cool white light with a color temperature of 6000K ensures the best color reproduction and visual comfort.
Energy Efficiency
The development of modern lighting technology promotes the improvement of energy efficiency. Modern LED lighting can save approximately 50% of energy consumption compared to traditional metal halide lamps. According to the U.S. Department of Energy, LED fixtures last three to four times longer than traditional fixtures, making LED lighting not only less expensive in terms of energy costs, but also significantly lower in terms of long-term maintenance costs.
Factors Affecting Choice
Site size
The size of the field directly determines the required illuminance and luminaire power. For example, a standard soccer field has an area of approximately 7,140 square meters. According to FIFA standards, this venue needs to achieve an average illuminance of 2000lux, usually requires the use of power between 400W to 1000W LED lamps and lanterns, the number of installations is about 60-100. For small indoor basketball court, the standard area of 420 square meters, illuminance requirements for 300-500 lux, professional competition venues need to reach 750-1000 lux. These venues generally use the power between 150W and 400W lamps and lanterns, the number of installations is about 10-20.
Through specific calculations, the larger the area and the higher the illumination requirements, the higher the power and the greater the number of luminaires needed to ensure uniform and sufficient brightness.
Climatic conditions
For open-air stadiums, the level of protection of the luminaire is of paramount importance. IP65 rated lights are completely protected against dust and water ingress and are suitable for most outdoor environments. IP66 luminaires are resistant to strong water currents and are ideal for areas with high levels of wind and rain. For areas with extreme weather conditions, IP66 or even IP67 rated luminaires guarantee even higher protection.
Types of lighting
Among the different types of lighting fixtures, LED fixtures have the best energy efficiency and the longest lifespan. According to statistics, the energy efficiency of LED luminaires can reach 100-150lm/W, which is much higher than traditional high-pressure sodium lamps (60-100lm/W) and metal halide lamps (70-120lm/W). Moreover, the average service life of LED lamps and lanterns can reach more than 50,000 hours, compared with 10,000 hours for traditional lamps and lanterns, LED lamps and lanterns have remarkable durability.
How to Choose the Right Floodlight
In the selection of stadium floodlights, in addition to power and illumination of these core indicators, but also from a number of aspects of comprehensive consideration to ensure that the lamps and lanterns can meet the actual needs of the venue, and has a high efficiency, stability and durability of the performance.
Durability and Protection Rating
The durability of a floodlight is an important measure of its ability to operate stably for long periods of time in harsh environments. Luminaires with high protection ratings (e.g. IP65 and above) are preferred for outdoor venues and can effectively protect against dust, water vapor and corrosive substances. According to test data, the life span of high-protection grade luminaires is usually about two times longer than that of ordinary luminaires, which significantly reduces the replacement and maintenance costs of venues.
Heat dissipation performance
The heat dissipation system of LED lamps directly affects their service life and luminous efficiency performance. Quality heat dissipation design can control the temperature of the lamps and lanterns to below 65℃ during operation, avoiding the performance degradation of LED chips caused by overheating. If the temperature of the luminaire exceeds 80℃, its luminous flux may drop by more than 20% and its life will be shortened significantly. Therefore, it is necessary to choose lamps with efficient heat dissipation materials (such as aluminum alloy) and advanced heat dissipation technology.
Light distribution design
Light distribution design is a key factor in determining whether a luminaire can achieve uniform illumination. Different sites and uses require different beam angles.
- Narrow beam (15°-30°): suitable for high pole lighting or long distance light casting in key areas.
- Wide beam (60°-120°): suitable for low pole installation of a wide range of uniform lighting.
Choosing the right beam angle can effectively reduce the waste of light and prevent the impact of light pollution on the surrounding environment.
Color rendering
The Color Rendering Index (CRI) is the main parameter for evaluating color rendering, ranging from 0 to 100. For stadium lighting, the CRI needs to be above 80 to ensure that athletes and spectators can clearly distinguish objects and colors.
Energy saving and environmental protection
The light efficiency of modern LED floodlights can reach 130-150lm/W, which is 50%-70% higher than traditional lamps. In addition, LED lamps do not contain hazardous substances such as mercury, making them more environmentally friendly compared to metal halide lamps.
Installation and Maintenance
For large stadiums, installation and maintenance costs are also important considerations. The modular design of the lamps can significantly simplify the installation process, reducing installation time by more than 30%. At the same time, the long life and low failure rate of the design can reduce the frequency of maintenance, thus saving labor and material costs in the long term.
ShineLong IP66 LED Flood Light
ShineLong IP66 LED Flood Light is a high performance flood light designed for large outdoor venues. It utilizes high quality LED chips with a luminous efficacy of 130lm/W, providing bright and even lighting effects. Its IP66 rating ensures that the light can work stably in extreme weather such as storms. With a lifespan of up to 50,000 hours, it lasts 3-4 times longer than traditional lamps.
Features of flood light for stadium:
- CE, RoHS Standard
- IP66, lk08 approved
- Integrated design of housing and radiator
- Material: Process of Aluminium diecasting + Tempered glass
- With Aluminum Rebreather
- Lens: 90°(Standard), 30°/45°/60°/T2/T3 optional
- High Efficacy: 135lm/w +10%, upto 200lm/w +10%
- Flicker free driver, THD<15%
- Input Voltage: AC200-240V/AC100-277V 50/60Hz
- High Power factor: >0.95
- High CRl: Ra>70, SDCM<4
- L80B10 (Ta=25℃) >50,000hrs, Warranty: 5 years
- CCT: 3000K: 3045±175K, 4000K: 3985±275K, 5000K: 5029±283K, 6000K: 6065±415K
- Ceiling mounted for convenient installation and maintenance
- Application: Playground/Stadium/Park/Amusement park/Courtyard/Urban landscape lighting, etc.
Choosing the right stadium lighting is key to improving the quality of the game, the spectator experience and venue safety. Choosing high-quality LED lighting not only enhances the game, but also effectively reduces operating costs and brings a higher return on investment for the venue.
