Football is a largely negative collaborative sports event and a popular sport each over the world. The history of football development is sufficient to illustrate its vitality and influence.
For numerous out-of-door football colosseums, in addition to a comfortable lawn terrain, they must also be equipped with bright soccer stadium lights, so that players can feel a clear vision when they protest the ball.
Still, it’s easy for the kick to feel uncomfortable, If the installed soccer stadium lights don’t meet the standard. It’ll be delicate to look at a distance, not to mention where the ball is always in the process of remonstrating. Affect the remonstrating experience.
As a professional colosseum builder, in addition to learning the necessary point construction knowledge, it’s also necessary to understand the common sense of the installation and construction of these supporting installations. Only if you’re professional enough can you do better!
According to FIFA regulations, the length of the football field is 105 110m and the range is 68
75m. There should be no obstacles within at least 5m outside the nethermost line and sideline of the football field to insure the safety of athletes.
What norms should the soccer stadium lights achieve?
According to the function of the venue, it can be divided intonon-TV broadcast amateur football colosseum and Television broadcast professional football colosseum. Different venues bear different lighting norms and installation styles of soccer colosseum lights.
The standard is to determine the lighting standard of soccer stadium lights according to the function of the football colosseum, which is roughly divided into six situations
- Illumination Demand for training and recreational conditioning is 200lx
- Illumination demand for amateur competition is 500lx
- Illumination conditions for professional competitions are 750lx
- The general Television broadcast illumination demand is 1000lx
- The illuminance demand for HD Television broadcast of large-scale transnational competitions is 1400lx
- The illumination demand for television exigency is 750lx
What are the lighting styles for soccer stadium lights?
The lighting quality of soccer colosseum lights substantially depends on the illuminance position, illuminance uniformity and the degree of light control. The position of lighting needed by athletes is different from that of observers. For athletes, the required position of lighting is fairly low.
The purpose of observers is to watch the game. The lighting conditions increase as the viewing distance increases. The degree of light produced by soccer colosseum lights depends on the viscosity, protuberance direction, volume, viewing position in the colosseum, and environmental brilliance of the lights. In fact, the number of soccer colosseum lights is related to the number of observers in the colosseum. Fairly speaking, the training ground only needs to install simple lights; and the large colosseum needs to install further soccer colosseum lights, by controlling the ray, in order to achieve the purpose of high illuminance and low light.
1. Installation system
There are two introductory layouts of soccer colosseum lights
- Four- corner layout — soccer colosseum lights are installed on the altitudinous palace near the slant extension of the colosseum;
- Side layout — soccer colosseum lights are installed fairly low, and the lights are located on both sides of the colosseum.
The ultimate can be subdivided into two ways
(1)Multi-tower (pole) installation, with 2, 3 or 4 halls on one side of the colosseum;
(2) Light belt installation, soccer colosseum lights are installed on the ceiling or on the steed track, and the lights form a light belt parallel to the sideline of the colosseum when illuminating.
2. Four corners layout
Corner Palace structure installation system, this system is respectable. The height of the lighthouse should insure that the angle between the bottom row of soccer colosseum lights on the palace and the center of the colosseum isn’t lower than 20 °. In order to reduce the light to athletes and observers, this angle can be widened to 30 °, but this is the investment of the lighthouse. It’ll increase again, and the rate of perpendicular illuminance to vertical illuminance will drop. The midpoint of the sideline of the court should be neutralize by at least 5 ° to insure the perpendicular illumination of the athletes near the sideline. By adding this angle, for athletes moving towards the nethermost line, the light is reduced and the perpendicular illuminance is increased at the same time. The limit of the increased angle depends on the ceiling of the daises that hamper the lighting of the lights and the murk on the court. The midpoint of the thing should be at least 15 ° outwards to limit the light of players in the thing area when remonstrating a corner kick.
The two angle limit lines determine the position of the lighthouse. The ideal way is for the lighthouse to be as close as possible to the extension of the slant of the colosseum. In order to insure that the entire colosseum is illuminated, the angle between the bottom row of lights of the lighthouse and the colosseum and the colosseum isn’t further than 70 °, which can effectively determine the minimal distance from the lighthouse to the corner of the colosseum.
3. Lateral lighting
Recommended position for lateral lighting. The requirements of soccer stadium lights are not only suitable for multiple towers (2, 3, 4 towers on one side), but also suitable for light belts.
From the perspective of the longitudinal axis of the court, the minimum value of α of 20° is only suitable for training grounds and low-level stadiums, because the glare control level is low at this time. When α is 25°, the glare is better controlled, and at the same time there is a higher vertical illuminance. Although the increase in α is conducive to controlling glare, the vertical illuminance component is reduced, and the investment in the lighthouse or horse track will be greatly increased. It is impossible to increase the ceiling of the stand in order to increase the angle of α, although the structure can withstand the floodlighting device.
The elevation angle of the soccer stadium lights near the sideline is determined by the angle β. If there is a proper ratio between the horizontal illuminance and the vertical illuminance, the β angle should not be greater than 75°. If the lamps on the edge of the roof of the stand do not have a suitable β value, you can install soccer stadium lights under the roof or take other special methods.
There are 3 or 4 soccer stadium lights on each side of the stadium. When the β value is between 75° and 60°, it is necessary to use the 4-tower solution on each side to ensure proper illuminance uniformity. When the value of β is between 60° and 45°, the arrangement of 3 towers on each side should be considered. When the value of β approaches 45°, the height of the lighthouse meeting the recommended value of α becomes similar to the four-corner arrangement. In fact, 2 towers on each side can also be successfully applied.
The soccer stadium lights are arranged approximately continuously. The light belt exceeds the bottom line of the court to maintain the illumination at both ends of the court. Where it is not easy to install lights, the soccer stadium lights at the end should be as close as possible to the middle.
4. Glare control
The installation height of the lamps and the position of the soccer stadium lights affect the glare control, which has been discussed earlier. However, there are other related factors that affect glare control.
The number of soccer stadium lights for each project is determined by the illuminance in the stadium. With the four-corner layout, the number of lighthouses is less than that of side lights, so less light enters the field of vision of athletes or spectators. On the other hand, the number of soccer stadium lights used for the four-corner lighting is more than that for the lateral lighting. From any point of the stadium, the total light intensity of each lighthouse soccer stadium lights of the four-corner lighting is more towers or lights than the lateral lighting. The light intensity of the belt mode should be large. Experiments show that it is difficult to choose between the two lighting methods. Generally, the choice of lighting method and the precise location of the lighthouse depend more on the cost or site conditions rather than the lighting factors.
It is recommended not to associate glare with illuminance, because when other factors are the same, as the illuminance increases, the adaptation level of the human eye also increases. In fact, the sensitivity to glare is not affected.
5. Light intensity distribution
Regardless of four-corner lighting or lateral lighting, soccer stadium lights must use narrow beam lighting to illuminate the field furthest away from the lights. The angle between 1/10 of the maximum light intensity of the beam and the maximum light intensity is different. It should be greater than 12°. Excessive spill light beyond this range can also produce glare.
6. Projection direction
The soccer stadium lights must accurately aim and maintain the designed position throughout its life. For athletes, goalkeepers are the most vulnerable. As for glare, for spectators, the front part of the public area on the side of the stadium and behind the goal have the worst viewing conditions. When designing the projection direction of soccer stadium lights, these positions are used to assess the quality of glare control.
What are the precautions regarding the installation, operation and maintenance of soccer stadium lights?
1. Installation and operation
When the adjustable soccer stadium lights have been installed, the projection position of the lights should be marked, so that the lights can be easily restored to their original positions if they need to be maintained or repaired in the future. For other sports held on the field, such as throwing and track events, it is recommended not to change the aiming point of the original soccer stadium lights. Experience shows that setting the aiming point accurately will waste time and increase investment. It is recommended to set up two sets of independent lighting systems, and each system controls itself according to their needs.
The lighthouse and its foundation should comply with relevant local laws and regulations, and people who have not been approved by the authority cannot engage in this kind of work. Make sure to maintain the lighting device without danger.
The soccer stadium lights should be cleaned regularly. If the lamps stop working or their functions are significantly reduced, the LEDs need to be tested for light decay and should be replaced separately to ensure that the illuminance meets the relevant regulations. The advantages of cleaning soccer stadium lights in batches are obvious, which can reduce the labor cost of replacing the lights and reduce the chance of lamp damage during the use period. According to local conditions, determine the lowest and acceptable average illuminance value of the playing field, which is the basis for formulating maintenance regulations.
What lights are used as soccer stadium lights?
Bbier lighting company recommends outdoor soccer stadium lights for TV broadcast level outdoor soccer stadiums. The Bbier soccer stadium lights are compact and beautiful in appearance, small in drag coefficient, and light in weight. Uniquely designed light distribution curve; precise beam, multiple light distribution, instant start.
Bbier lighting company recommends the use of high-efficiency floodlight stadium LED lamps. The product series uses a unique asymmetric light-emitting lens to effectively and uniformly project light to the surface of the object, avoid light loss, and greatly improve the light utilization rate and surface brightness of the object. Product performance and luminous efficiency are higher than similar products, and the light projection effect is the best.
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