Top 3 stadium light manufacture the led football field light with the cheaper cost led sport light for the senior stadium

As the most popular sport in the world at present, football has enthusiastic fans in every corner of the world, more and more participants and people watching the game, more and more matches get the opportunity to be broadcast on TV, so the requirement for lighting is getting higher and higher.Lighting must ensure that players and referees can clearly see what is happening on the playing field.For the best effect of all activities and scenes, stadium lighting should be designed not only to meet the needs of the various personnel on site, but also to provide a high-quality television broadcast for the majority of the television audience watching the games.What kind of light is best for a football field?This article will find out for you.

Section 1: What kind of lights are used on the football field?| best buyer’s guide for 2020

1.Power of ordinary lights on a football field

Different field sizes and illumination requirements result in different wattage of lamps used.Typically, for a standard football pitch, 1000W LED are required to meet illumination requirements.For stadiums with smaller entertainment venues, 300W to 500W will suffice.

2.What factors determine the power of lights on the football field?

Lighting standards and pitch size are key factors in determining the wattage of a football pitch.

A.Lighting standard index of football field

Football fields are divided into indoor and outdoor football fields.Outdoor (indoor) football field lighting standards are divided into: training and recreation lighting 200LX (300LX), amateur competition 300LX (500LX), professional competition 500LX (750LX), general TV broadcasting 1000LX (1000LX), 1400LX (1400LX) HD TV broadcasting for large international competitions, and 1000LX (750LX) for TV emergency.See the table below for detailed criteria.

B football field size

The size of the football field is as follows:

The five-man football match is a rectangle with a length of 25-42m. it’s 15-25m. In any case, the area of international competition should be: long 38~ 42m, wide 18~ 22m. Need 300w 1000w sports light.

The size of a seven-man football field: 65-68mand wide. You need the 1000w sports light.

The size of an 11-man football field is 90-120m and the 2.90m width; The standard length of the international competition is 105-110m.width is 68-75m. We need 1000w led motor light.

Green light has completed a variety of football fields and has a rich experience in the stadium lighting design. We can provide free dialux simulation design according to your site information. In this way, you can accurately know what specific information you need, such as the number of lights, power, beam Angle, pole height and illumination.

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3.Three factors affecting the lighting effect of the stadium

A.Uniformity of standards

The requirement of uniformity mainly comes from the requirement of TV camera, and uneven uniformity can also bring visual pain to athletes and spectators. Illuminance uniformity specifies the ratio of the minimum illumination (Emin) to the maximum illumination (Emax) on the surface (U1) and the ratio of the minimum illumination (Emin) to the average illumination (Eave) (U2).Uniformity is used to control the viewing situation of the whole field, and U1 is conducive to the viewing function. U2 is good for visual comfort.For detailed criteria, please refer to the table above.

B.Comfortable LED field light color temperature

Color temperature is a sensation or phenomenon that describes warmth (red) or cold (blue) highlighted by the intensity of light.It’s in kelvin. 2700K-3500K is warm white light, 4000-5000K is natural white light, and 5700K-6500K is cold white light. For sports lighting (such as table tennis field lighting and billiards lighting), natural white light is needed. The color temperature is about 4000K. The color temperature of Green light stadium lights can meet all sports lighting requirements.

C.Excellent color rendering index

A color rendering index is a measure of a light source’s ability to display the original color of an object.Sunlight has the most real color rendering ability to objects and can be used as a reference light source with a color rendering index of 100Ra. In football pitch lighting, the display index must not be less than 65Ra for the three levels of lighting that do not require television broadcasts (training and recreational activities, amateur games/professional training, professional games).Football field lighting that requires TV broadcasts (national/international TV broadcasts, major/international TV broadcasts, major/international HDTV broadcasts) requires a display index not less than 80Ra, or even 90Ra.

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4.Glare can’t be ignored

This is the new era of 4K TV broadcasting.Uniform and high quality vertical brightness on LED sport lights enables high standards of photo and video shooting.Green Light is dedicated to reducing glare from lighting fixtures.The anti-glare optics in Green light led do not create a blinking or blinding sensation for players and spectators.Common optical components on the market use only reflective cups, which will have direct light and too much light spilling out.The Green Light motion lamp USES aluminum reflective glass + secondary optical lens, which can maintain brightness and greatly reduce unnecessary glare

5.Precise lighting controls (light up your field, not your neighbor’s house)

Many customers and industry friends believe that the higher the lumen output is the better, the higher the light efficiency is the better.But in practice, high light efficiency alone is not enough, because light efficiency also includes waste light, that is, useless light.Lighting should be as uniform as sunlight, including vertical illumination, horizontal illumination and shadows.If we wanted to achieve this effect with light, it would be limited by many circumstances.Therefore, in the choice of lamps and lanterns, should consider multiple dimensional factors, rather than blindly pursue high light efficiency.In the sports field, it is more important to effectively control the light entering the field through the light distribution system, while improving the uniformity and vertical illumination.

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Description of LED light efficiency

On a football field, if LED lighting equipment fails to effectively control the light, it will have many adverse effects. Athletes and surrounding residents will be disturbed by glare, and the overflow of light will cause light pollution in the night sky.Green Light stadium lights are very good at controlling lighting.The Green Light SPL series of court lights are designed using secondary optics, an optical system that concentrates light on the field and minimizes glare.And specially designed anti-glare mask, greatly reduce the problem of light leakage and glare.

6.The key to affect the lamp life.(Cooling system)

Motion lamp chips are known to generate a lot of heat.Therefore, a good thermal management system is very important for motion lamps.It can not only greatly increase the service life of lamps and lanterns, reduce light decay, and can ensure the safety of lamps and lanterns to use.The Green Light technical team carried out a long and repeated experiment on the Green Light moving lamp, and finally used the unique superconducting heat transfer technology as the main heat transfer channel to transfer the heat of COB to each radiator.The heat of COB is quickly transferred to the radiator, and there is enough area for air convection to dissipate heat quickly, and the junction temperature & LT;70 ℃.For LED lights, when junction temperature & GT;At 70°C, light rapidly decays and affects service life.Green Light is guaranteed to fade less than 10% within 10 years and live over 80,000 hours.

The difference between:

1.Number of superconducting heat pipes: 78pcs VS 24pcs

2.Length: 180mm VS 350mm

3.The distance between the LED chip and the superconducting heat pipe is 400 VS 14mm

4.Contact area between superconducting heat pipe and radiator.

Conclusion: The temperature difference doubled and the life difference was 20 years VS 1-2 years.

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7.Long service life

Football fields often have very high lamp posts, and replacing or maintaining them can be a hassle.Therefore, high quality lighting must be ensured.Green Light LED have a service life of over 80,000 hours.If used for five hours a day, the lights can last for another 43 years without appreciable loss of brightness.

8.Warranty (required reading)

Product warranty is the concern of every buyer.Most LED companies on the market offer a 1-5 year warranty, or even 10 or 20 years.However, there will always be a lot of customers who encounter this situation.During the warranty period promised at the time of purchase, in case of problems, the seller cannot guarantee to fulfill the promise.Therefore, the buyer must know the warranty terms before purchasing.

How to judge the reputation of suppliers (Chinese suppliers) and avoid the risk of being cheated, three points must be known:

1.Check if the supplier is on the blacklist.To see the supplier list link, https://www.supplierblacklist.com/

2.Comprehensive reputation of the enterprise.We can do this from fan interaction on corporate video channels and basic interaction on social media home pages

Judgment.3. Judging from the industrial and commercial registration information (date of establishment, registered capital) and employees’ social security information in China’s comprehensive market.

Green Light’s warranties come in two series: 5 years and 10 years.We not only guarantee that the product can run normally, but also guarantee that the optical attenuation of the product during the warranty period is less than 10%.

In addition to football field lights, in order to meet people’s demands for various sports and recreational activities, more and more comprehensive stadiums have been built in various cities.Gymnasiums can usually be used for competition training or major cultural performances in sports such as basketball, volleyball, table tennis, badminton, indoor football and gymnastics.The lighting design of the stadium mainly combines scientific, aesthetic and economic factors to provide a good visual environment for the site.

Section 2: What are the important indicators of lighting design for science Stadium?

1.Lighting standard index

According to the recommended illumination requirements of International Sports Federation No. 83 and the provisions of Article 2.2.9 of Civil Building Lighting Design Standard GBJ133-90, the following recommended illumination standard values are proposed:

1) According to article 2.2.9-1 of Lighting Design Standard for Civil Buildings GBJ133-90, the lighting standard value for football field competition: 150 ~ 200 ~ 300Lx when the line-of sight is 120m;When the visible distance is 160m, it is 200 ~ 300 ~ 500lx;When the visible distance is 200m, it is 300 ~ 500 ~ 750lx. The viewing distance is the distance from the last line of the auditorium to the edge of the field of view.

2) According to article 2.2.9-2 of Lighting Design Standard for Civil Buildings GBJ133-90, vertical lighting required for TV broadcasting: The maximum shooting distance can be divided into three categories.For the football project, the maximum shooting distance is 25m.The average vertical illumination should be 750lx. When the maximum shooting distance is 75m, the average vertical illumination should be 1000lx;When the maximum shooting distance is 150m, the average vertical illumination should be 1500lx;The average vertical illumination of track and field events should be 25m×500lx;The maximum shooting distance is 75m. The average vertical illumination should be 750lx;The maximum shooting distance is 150m. The average vertical illumination is 1000lx.

3) The above illuminance refers to the final average illumination of the stadium.The initial illuminance selected during design must be included in the maintenance factor.Typically, a value of 0.7 to 0.8 can be used.

4) Horizontal illumination uniformity: The uniformity of illumination is usually expressed by the ratio of minimum illumination to maximum illumination, or can be expressed by the ratio of minimum illumination to average illumination.The ratio of minimum illumination to maximum illumination should be greater than 0.5.

5) Uniformity of vertical illumination: the ratio of minimum illumination to maximum illumination should be greater than 0.4 to meet the requirements of the main TELEVISION camera.

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2.Lighting intensity distribution of the stadium

In the design of stadium lighting, the comfortable lighting environment should have a reasonable distribution of brightness.If the indoor brightness changes too much, it is easy to cause visual fatigue, but if the brightness changes too little, it is easy to produce a monotonous feeling.Therefore, appropriate brightness distribution is required.CIE recommends better visual clarity when the viewing object is three times as bright as a similar environment, meaning that the ratio of reflectivity between the similar environment and the observed object should be kept between 0.3 and 0.5.

3.Selection of court lights (LED lights VS traditional lights)

The lamps we usually use in stadiums are halogen lamps, high pressure sodium lamps and LED lamps.With the rapid development of LED system design, the application of LED lights in stadiums has become an inevitable trend.Compared with traditional halogen lamps and high pressure sodium lamps, LED lamps have the following advantages:

1.Long service life, up to 50,000-100,000 hours.

2.Energy saving and electricity saving, the same lighting effect is more than 80% energy saving than the traditional light source

3.The cost is low

4.Strong, environmentally friendly and free of UV radiation

Waste can be recycled

5.Harmless elements such as mercury

6.Higher light efficiency, LED output up to 150lm/W

7.Quick start and short warm-up time

4.Glare and stroboscopic control

Glare and stroboscope directly affect lighting comfort.

Glare is divided into direct glare and reflected glare.Direct glare is directly caused by the luminous body;Reflection glare is caused by the reflection of light from a lamp or other reflecting surface.There are three methods to control direct glare: choosing transmittance material, controlling protection Angle (shading Angle) and arranging the position of light source reasonably.The main method of controlling reflection glare is to make most of the light on the working surface come from the appropriate projection direction, that is, the generated directional reflection will not hit the observer directly in the eye, but will hit a distance or the side.Usually, as long as no light is installed above the observer, the reflection glare is better eliminated.

In the design of controlling glare in stadiums, the lamps can be used in conjunction with an efficient reflection system equipped with an anti-glare partition and the position of the light source can be adjusted according to technical requirements to prevent glare and astigmatism from being restricted effectively.Control the direction and Angle of projection on the setting of the aiming point of the luminaires to limit glare and cause glare index & LT;50.

The occurrence of stroboscopic light is mainly due to the periodic change of gas discharge lamp with voltage, which causes the periodic change of light beam.The common method is to use the Multi-tube phase-shift connection method of the gas discharge light source, or to connect three sets of fluorescent lamps to the three-phase power source respectively, which can reduce the fluctuation depth to 5%..Therefore, in a luminescent device consisting of multiple fluorescent lamps (lamp strips, luminous ceiling, etc.), the lamps should be evenly distributed and connected to a three-phase power supply in a certain phase sequence.When using two or three fluorescent lamps, it is recommended to connect the tubes to a two-phase or three-phase power line.

5.Lamps and lanterns distribution

Whether the arrangement of lamps is reasonable will directly affect the lighting effect and the economy of the site.At present, the common light distribution methods in sports buildings mainly include the following: outdoor stadium, light pole, four towers, multi-tower, light belt, light belt and lighthouse.Indoor stadium unified (star), light seat belt (field divided up and down), mixed type.

A.Distribution of four towers

Four lighthouses are located at four corners of the site.The height of the tower is usually 25-50m and narrow beam lamps are usually used.This arrangement is suitable for football fields with no running tracks, low lighting utilization, difficult maintenance and repair and high cost.If the quality of lighting requirements are not high, it can meet the general requirements of athletes and spectators.By aiming at various beam angles, the correct position of the lighthouse can create a suitable illumination distribution in the field.However, today’s 4K and 8K movies and TV sets require high and uniform vertical illumination, which requires that the light incident far from the site be at an Angle far below the specified limit.The effect of the higher brightness associated with the use of large gas discharge lamps, coupled with the traditional tower height, inevitably produces excessive glare.The disadvantage of this four-tower way is that the visual changes of different viewing directions are larger and the shadows are deeper.From the perspective of color TV broadcasting, it is difficult to meet the vertical illumination in all directions and control the glare.In order to meet the requirements of Ev/Eh 44 value and reduce glare, it is necessary to take some improvements to the four-tower lighting method:

(1) The positions of the four towers should be moved to the two sides and the outer side, so that the opposite side and the four corners of the site can obtain certain vertical lighting;

(2) Increase the number of sport lights on the side lighthouse of the main television camera to enhance beam projection;

(3) Add the lights at the top of the grandstand on the side of the TV main camera, control the glare, and the audience at both ends of the field should not notice.

Green Light SPL series LED can greatly improve the defects of the traditional four-tower arrangement.

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B.Multi-tower distribution

This light is fitted with lighthouses (or light poles) on either side of the pitch and is suitable for practice fields such as football, volleyball and tennis courts.Its outstanding advantages are lower power consumption and higher vertical and horizontal illumination.This arrangement also has the advantage of being cheap to invest and easy to maintain due to the lower lamppost.

Lamp posts should be evenly arranged and can be 6 or 8 poles.The height of the lamp post shall not be less than 12m, the projection Angle shall be between 150 and 250, and the maximum projection Angle to the edge of the field shall not exceed 750, and the minimum shall not be less than 450.Use high light and high light sport lights.If there is a spectator stand, the placement of the aiming points should be very detailed.The disadvantage of this kind of lamp is that when placed between the venue and the auditorium, it will be difficult to block the view of the audience and eliminate the shadow.In football fields where television is not broadcast, the horizontal arrangement of lighting fixtures is Multi-tower distribution, and no ribbon arrangement is used.Lighthouses are usually located on the east and west sides of the arena.In general, a lighthouse with multiple towers may be less than four corners high.Multi-tower layout includes four, six and eight tower layout.To avoid interfering with the goalkeeper’s line of sight, use the midpoint of the goal line as a reference point, and the lighthouse should not be placed at least 10m to either side of the baseline.

To calculate the lighthouse height of the Multi-tower lights, the triangle is perpendicular to the stadium and parallel to the baseline ≥250, and the lighthouse height h≥15m.

C.Distribution of light belts

Lights are lined up on both sides of the court to form a continuous ribbon lighting system.The lighting uniformity and brightness between the athletes and the stadium is better.At present, the world recognized this way of lighting distribution can meet the various requirements of color TV broadcast lighting.The length of the tape is more than 10m above the goal line (for example, in a stadium with a running track, the length of the tape should be no less than 180m) to ensure that the goal area looks sufficiently vertical from the back.In this case, the projection Angle can go down to about 200.If a low-brightness illuminator is selected, it can be further reduced to about 150.In some stadiums, the lighting is very close to the edge of the field of view (at an Angle greater than 650 degrees) and does not provide enough vertical illumination on the side of the field of view.In this case, “retract” auxiliary lighting must be added.

The conventional belt layout USES several types of projection lamps with different beam angles for projection.Narrow beams are used for long distance projection, while medium beams are used for short distance projection.The defect that belt arranges: the technology that controls dazzle to need is relatively strict, the physical sense of the object is slightly bad.

D.Mixed distribution

Mixed arrangement is a new method of lighting arrangement, which organically combines four or more towers with belt arrangement.It is a form of lighting distribution, which has solved the lighting technology and lighting effect of the world’s large comprehensive stadiums.The hybrid arrangement absorbs the advantages of both lamp distributions to enhance the physical sense.Vertical illumination and uniformity are more reasonable in all four directions, but glare is increased.At this time, the four towers are usually not set up independently, but are integrated with the building, so the cost is lower.

The sport lights used in the four towers are mostly narrow beams, which are used to solve long-range projection.The beam is mostly medium beam to solve the close projection.Because of the mixed layout, the projection Angle and orientation of the four towers can be flexibly handled, the length of the lamp belt layout can be appropriately shortened, and the height of the lamp belt can also be appropriately reduced.

Section 3: Stadium lighting frequently q&A

1.What is the difference between LED projection lights, LED sport lights and LED spotlights?

High-power LED projection lamp:

The characteristic of LED projection lamp is that the projection Angle belongs to the luminous Angle of medium beam, and the luminous Angle is in the range of 30°-90°.Mainly used for large square lighting, building lighting, garden lighting, stadium lighting;The projection distance is long, suitable for installation in places far away from the irradiation distance and the sports field, such as high pole lights and hanging towers.

High-power LED projection lamp:

We mainly refer to outdoor lights with luminescence angles greater than 90° as sport lights.LED sport light has the characteristics of wide lighting range and uniform lighting.They are mainly suitable for installation in outdoor gyms, plazas, advertising signs, stair lighting, etc.For example, in playground and building lighting, it is usually a complement to LED sport lights, so the lighting surface can be uniformly illuminated, that is, LED sport lights have a close range and LED sport lights have a long range.

High-power LED spotlights:

We mainly refer to lamps with an Angle less than 30° as spotlights.LED spotlights work well because they focus light on a small area at a small Angle, and they can emit only one line of light.Light from a source does not affect other light.Objects outside the lighting area, such as sculpture lighting, specific scene lighting, building column lighting, etc.

Green Light SPL series belongs to high-power LED projection lamps and LED spotlights.

2.How many lights do we need to light a football field?

Based on the Experience of Green Light Sports Lighting, a standard football field (105 * 68m) for professional outdoor competition requires about 80 set  1000W LED installed on four light poles for illumination up to 500Lux. A 170x90m football pitch with a running track requires 112 set  1000W LED stadium lights on four light poles with 500Lux lighting intensity. A 45 * 28m small football field requires 12 set 300W motion lights to achieve 200 lux illumination. A 177 * 93m football field for international television coverage requires 216 set 1000W LED stadium lights to be installed on 4 light poles with illumination intensity of 1500 Lux.

3.How much does it cost to build a football field?

The construction of the football field is roughly divided into five stages: land determination, site formation, turf laying, auxiliary construction and facility purchase.The size of the field and the materials used are the most important cost factors in building a football pitch.The exact cost is difficult to estimate.The money to build the community football stadium ranges from $100,000 to $1 million.To build a world-class football stadium would cost millions or even hundreds of millions of dollars.

4.How many lumen are there in the stadium lights?

Lumen are units of luminous flux.The amount of light emitted from the source, expressed in terms of F.The unit is lumen (Lm).The luminous intensity of point source is 1 awning, and the beam emitted from unit solid Angle (1 sphericity) is “1 lumen”.

The power range of the Green light LED course light is 100W-5000W, and the Lumen of the LED course light is below.

This table is a basic reference, the exact data depends on the brand, Angle, color temperature light source color rendering index.

Conclusion

No matter which industry, its core competitiveness is inseparable from technology.As for motion lighting, its products have more advantages in terms of “glare” and “heat dissipation”, so they can have greater advantages in the market.The Green Light not only controls the lighting accurately, but also has the best cooling system and is at the forefront of modern sports lighting.

From the 2016 U20 Women’s World Cup to the 2018 Youth Olympic Games, from the 21st African Senior Athletics Championships to the International Tennis Training Center in Denmark, to Frankfurt Airport in Germany and more.Green Light relies on many years of design experience in the manufacture and manufacture of sports lighting system, which provides high quality LED lighting equipment for stadiums around the world, and also provides athletes and spectators with more comfortable and safe competition and viewing atmosphere.

If you have any stadium events, please feel free to contact us.We can provide free lighting design to provide the best solution.We can provide one-stop electrical system procurement services, for your project to save all costs.[email protected].