NEWS

2019/04/22

Computer shaking head lamp electrical and program control part

1. Before the electrical characteristics and circuit design of computer shaking head lamps, the vast majority of professional 1200W shaking head computer lamps worldwide used rare gas discharge bulb light sources. The starting and stable operation of the gas discharge bubble depends on the design of the circuit type, the choice of electrical components such as power supply and ballast. After the rare gas discharge bulb is started, generally no stabilization time is required. In order to ensure stabilization, the difference between the maintaining voltage of the circuit and the instantaneous voltage of the bulb should be sufficiently large during the entire AC cycle. The starting, stability, extinguishing and restarting of the light source should be designed according to the characteristics of the light source. rare gas discharge bubble

2019/04/22

computer shaking head lamp internal structure is what kind?

Computer shake head lamp is a set of electronic, mechanical, optical as one of the high-tech products. Qualified computer shake head lamp must be stable and reliable, excellent light efficiency, accurate positioning, good heat dissipation, lamp body and material structure meet the requirements of ergonomics. Computer shaking head lamp can be divided into 250W, 575W, 1200W and other varieties from the use of power. Among them, 1200W is the main lamp type for professional performance venues. This paper focuses on the analysis of the construction principle of 1200W moving head lamp. In a nutshell, the head shaking computer lamp is composed of three systems: optical, mechanical, electrical and program control. The three systems are interrelated and organically combined to meet the needs of light and color.

2019/04/22

How to improve the efficiency of the dimming system?

Dimming devices have gone through four generations: the first generation is a resistive dimmer. The second generation is transformer type dimming equipment. The third generation is an electromagnetic amplifier type dimming device. The fourth generation is a SCR dimming device. The first generation has the lowest efficiency and the fourth generation has the highest efficiency. If the efficiency of the dimming system is not high, the power consumed by itself is considerable. Assuming that its efficiency is 96% (which seems to be a very good number), when it wants to push a 6kW load, its own power consumption is already: 6 ×(100-96%)= 0.24kW and assuming that there are 60 dimming cabinets

2019/04/22

Efficiency and Heat Dissipation of Professional Dimming System

Even for a very efficient dimming system, the performance and design of the cooling system is still very important. Even at 98% efficiency, for example, the power consumption itself is still as high as 7.2kW. In order to effectively discharge such a large power consumption out of the system and keep the internal components of the system working in a reasonable temperature environment, the reasonable design of the heat dissipation system cannot be ignored. At present, there are three kinds of cooling systems in the world: forced air supply, forced exhaust and intelligent exhaust. (1) Forced air supply This heat dissipation system is to install the blower at the bottom of the vertical cabinet, so that fresh air enters from the bottom of the vertical cabinet and then adds

2019/04/22

Guangzhou stage lighting color and vision

Color will give people a sense of warmth, distance, size and weight, and often make people associate, thus forming different psychological effects. These are the visual habits that people have formed for a long time. Colors can usually be divided into cool, warm and neutral colors (intermediate colors) three categories. The cold and warm colors are divided according to the visual reactions and psychological associations caused by various colors. Red makes people think of the heat of fire, thus creating a sense of warmth, called warm color. Blue makes people think of cold water and gives people a sense of cold, so it is called cold color. Purple and green are neutral colors that are not cold or warm. Different colors can affect the size of an object's appearance. If

2019/04/22

Stage lighting three primary colors and color matching method

Three primary colors and color matching method Red, green and blue are called three primary colors. These three colors are mixed in different proportions to produce a variety of colors. There are two basic methods of color mixing: additive mixing and subtractive mixing. The so-called additive color mixing is when different colors of light mix, they put their respective parts of the spectrum together, resulting in a new method of mixing colors. Indicates the color relationship of light-additive color mixing. When the three primary colors of red, green and blue are mixed in equal amounts, they can be obtained: red light green light = yellow light green light blue light = cyan light green light red light = magenta light red light green light blue light =

2019/04/22

Precautions for stage lighting

Lighting precautions 1, half an hour before the opening, open all equipment, low temperature preheating, while testing all equipment and lines. Low temperature state means that the light is slightly bright. 2. After starting up and preheating for 15 minutes, reset all equipment to allow the equipment to dissipate heat. The heat dissipation time is not less than 15 minutes. 3. After heat dissipation, the music performance stage can be officially entered. 4. After the performance is over and the guests leave the venue, the lighting engineer shall turn off all the equipment and let the equipment dissipate heat for 15 to 20 minutes. Then the lighting engineer can leave. The maintenance of lighting equipment is relatively sound.

2019/04/22

How to maintain stage lighting equipment

In addition to all items of daily monitoring, the following points should be paid attention to during weekly regular inspection. 1. During weekly inspection, the connection of main inspection equipment, including power supply connection, DMX512 connection, etc., to see if there is looseness, breakpoints, etc. 2. At the same time, during weekly inspection, the lamp position and DMX512 programming should be adjusted comprehensively; monthly equipment maintenance and appropriate adjustments Monthly appropriate adjustments In addition to all the work of daily monitoring and weekly testing, this will be a very detailed work that requires the coordination of multiple departments, such as actors,

2019/04/22

It is recommended to choose the type of lamps reasonably for stage lighting.

First of all. Reasonable selection of lamp type. In places where explosive mixtures or explosive media are likely to be produced in production, integral explosion-proof devices should be used. Sealed or moisture-proof lamps shall be used in places with corrosive gases and particularly humid, and their components shall be treated with anti-corrosion. In hot and dusty places (such as steelmaking, ironmaking, steel rolling and other places) can be used. Outdoor lighting can be closed type lamps or open type lamps with fireproof lamp holders. Second. Lighting and decorative lamps shall be installed correctly. (1) The distance between lamps and combustibles shall not be less than 50cm (halogen tungsten lamps shall be more than 50cm), and the height from the ground shall not be less than 2