Comparison of lighting in large lecture halls and ordinary classrooms
When the blackboard in the ladder classroom is equipped with special lighting, the location of the projection screen should be separated from the blackboard. Generally, it can be placed on the side of the blackboard, and the lights can also be turned on to illuminate the blackboard during the projection. In order to reduce the influence of blackboard lighting on the projection effect, the projection screen should be as far away as possible from the blackboard lighting area and should have an inclination with the ground.
Considering the convenience of projection of slides and movies, it is advisable to control the indoor lighting at the podium and projection place. When conditions permit, dimming control can be realized for part or all of general lighting. When the general lighting is a gas discharge lamp, a ceiling lamp or wall lamp with some incandescent light sources can be installed, and the dimming control can be performed.
In view of the fact that ordinary classrooms are commonly used by students, here, LED educational lamp manufacturers will also explain the commonly used classroom lamps:
1. Fluorescent lamps
Ordinary classrooms are not large in size. In order to make the illuminance distribution uniform and save energy, single-tube fluorescent lamps should be used. Ordinary classrooms should choose open-type lighting lamps with a certain protective angle and an efficiency of not less than 75%, and bare lamps and box-type fluorescent lamps should not be used.
2. Grille lamps
It is not advisable to use lamps with high-brightness or full-mirror light-control hoods (such as grids, grilles). Classrooms with requirements or conditions can use luminaires with grilles or diffusers, and the luminaire efficiency should not be lower than 60%.
3. Batwing light intensity distribution lamps
Lamps with bat-wing light intensity distribution characteristics generally have a large protective angle, good light output diffusion, large lighting spacing, uniform illumination, which can effectively limit glare and light curtain reflection, which is conducive to improving the quality of classroom lighting. and energy saving.
4. Indirect or semi-indirect lighting fixtures
If the classroom space is high and the ceiling reflectance ratio is high, suspended indirect or semi-indirect lighting fixtures can be used. In addition to downward lighting, these types of fixtures project more light to the ceiling, forming indirect lighting and creating a more comfortable and pleasant light. surroundings. If the classroom has a suspended ceiling, recessed or ceiling-mounted lamps are generally used.
[Shenzhen BENWEI LED] is a professional LED high-tech manufacturer specializing in the research and development, design and production of LED education system lighting products; products include: LED education panel lights, LED education lights, smart classroom lights, blackboard lights, LED guard lights Eye table lamp, teaching office lamp LED education lighting lamp! It is the leader in the LED full eye protection smart campus lighting industry, and is committed to providing a healthy, comfortable, environmentally friendly and energy-saving LED education system lighting environment for young students.
