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工程案例详细

  • 新闻名称: MIC small knowledge: the difference between the light and the light
  • 发布时间: 2007-05-24

One, what is LED light?
Led cast light lamps (LEDDownlight) called the spotlight, projection lamp, lamp and so on, mainly used for building decoration and lighting, and commercial space lighting, decorative elements heavier, the appearance have round also square, because of the general need to consider heat so its appearance and traditional cast light lamps or some differences.
Two, LED light characteristics:
Currently on the market commonly used LED light is basically use 1W high power LED, each LED element will with a made of PMMA high photosynthetic efficiency of lens and its main function is a quadratic assignment LED light, is the second optical), a handful of companies because of good heat dissipation technology, and use the 3W or more high power LED. Suitable for large-scale lighting, lighting, buildings, etc..
What is the need to pay attention to the cast light?
1, high purity aluminum reflector plate, beam the most accurate, reflection effect is the best.
2, symmetric, narrow angle, wide angle and asymmetric, etc..
3, behind the open type replacement bulb, maintenance simple.
4, the lamp is accompanied by the calibration board to adjust the angle of illumination.
LED light through the built-in micro chip control, in the small engineering applications, the use of the controller can be achieved, can realize gradient, jump, color flashing, random flicker, gradient alternating dynamic effect, can also through DMX control, to achieve the chase, scan and other effects. At present, the main application areas of these are: single building, historical buildings, exterior lighting, interior lighting, interior lighting, landscape lighting, advertising, lighting, medical culture and other special facilities lighting, bar, dance halls and other entertainment lighting, etc..
Three, what is the LED?
LED is a point light source that can be uniformly illuminated in all directions, and it can be adjusted in the range of the scene, which is shown in the scene of a positive eight surface body. The pan - ray is the most widely used light source in the production of the effect diagram, and the standard is used to illuminate the whole scene. In the scene, we can use the multi lamp, to produce better results. The wide light is the most widely used in the effect of the light source, the scene can be used to coordinate the role of multi light, to the birth of a better effect. From a special point to the direction of the object to the uniform irradiation of objects, using it to analogy light bulbs and candles, but the best. The universal light can be placed anywhere in the scene. For example, it can be placed outside the range of the camera, or inside the object. It is common to use a wide range of different colors in the scene. These extensive light can be projected and mixed in the model. Because of the wide range of light, it is very easy to predict the irradiation effect of a wide range of light, and the light has many auxiliary uses. For example, the light will be placed near the surface of the object, and the bright light can be generated on the surface of the object.
Should pay attention to is, the pan light can not be built too much, otherwise the effect will appear dull and dull. So to in the usual effect chart manufacture, pay more attention to the experience of lighting parameters and the layout of the effect of scene graph light perception effect, accumulate experience, master of light and good matching technique.
Four, the characteristics of the light:
The light is from a special point to the direction of all directions to the object, using it to analogy light bulbs and candles is best. The universal light can be placed anywhere in the scene. For example, it can be placed outside the range of the camera, or inside the object. It is common to use a wide range of different colors in the scene. These extensive light can be projected and mixed in the model. Because of the wide range of light, it is very easy to predict the irradiation effect of a wide range of light, and the light has many auxiliary uses. For example, the light will be placed near the surface of the object, and the bright light can be generated on the surface of the object.
Outdoor lamp installation:
Outdoor lamps and lanterns (offering products: Garden lights) installation notes
1, grounding: lamps must be in accordance with the requirements of the manual has a good connection and grounding, I type of lamps and lanterns are not connected to the 0 types of light;
2, allowable voltage fluctuation: HCI ceramic metal halide lamp, HQI quartz metal halide lamps and NAV high-pressure sodium lamp requirements of voltage fluctuation in a short period of time shall not exceed + / - 5% range, to allow long-term fluctuation range of + / - 3%, the larger changes in voltage will lamp life and reduce the deviation caused by color.
3, the use of light source: frequent switch will shorten the life of the lamp;
4, ballast: the distance between the light source and the ballast is limited, the general must not exceed 3 meters.
5, starting current: HCI, HQI and NAV according to different ballast, lamp starting current can be up to 2 times the working current, so the circuit design must take into account the current, or switch easy tripping;
6, flux: the light source in 100 to 300 hours parameters was relatively stable, the ignition position of type T and TS is level, and type E is vertical lamp on, when different ignition point positions of the light source, the luminous flux, color temperature and life have significant differences;
7, the deviation of the color: for all HQI and HCI metal halide lamp, lamps and lights between may color deviation, the deviation of the color is due to the influence of external power supply voltage, the ballast and the lamp design factors and consistency of color temperature lamp influencing factors:
Internal cause: the consistency of the electric arc tube (charge, the electrode