What are the techniques of aluminium crowd control barrier?
With the increase of various activities in people's lives, it is necessary to build various performance stages, so the application of Chengdu aluminium crowd control barrier is becoming more and more extensive. So how to buy it? It is precisely because of the increasing demand for aluminium crowd control barrier products that when understanding this product, it is necessary to carefully understand how to accurately select products with good enough quality and needed. So now let us briefly introduce the basic process of selection.
First of all, when choosing aluminium crowd control barrier, you must pay attention to the basic carrying capacity of aluminium crowd control barrier, because the difference in carrying capacity may cause safety problems in the future use, so you must carry out corresponding tests before buying. On the other hand, when choosing aluminium crowd control barrier, you must pay attention to the manufacturer of this product, because different manufacturers can produce different product quality, so choosing a manufacturer with a good reputation and high evaluation in the market is the most important aspect.
After screening through these steps, we can consider price and transportation issues to ensure that we can choose our own products. Stage products. According to the optical structure, stage lights can be divided into three categories: floodlights, spotlights and slide lights; according to the parts installed on the stage, there are face lights, slap lights, foot lights, column lights, top lights, sky lights, ground lights and flowing lights.
Floodlighting system refers to the lighting equipment that can emit uniform and soft light to illuminate a certain direction. Individual floodlights, ceiling lights, footlights, curtain lights, etc. are generally used to illuminate the sky curtain, painting scenes and performance areas. The concentrating system refers to the luminaire that can emit directivity and control the range of the light zone. Generally, the principle of refraction is used to emit different light points through the lens. Using a lens with soft threads can produce light spots with soft edges. The lamp that uses the reflective optical structure to obtain the condensing effect is called the return light.
The slide system is to add a set of objective lenses in front of the spotlight to project and image. This slide can be divided into: a projection slide that uses slide imaging; a projection slide that uses a rotating disc chain to project clouds, water, fire and other moving images on the scene; uses a long focal length objective lens to make small The light spot is clearly imaged. The follow light highlights the protagonist's image; the ellipsoidal concave mirror is called the modeling light.
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