guangzhou language control lab language lab bench table for lab furniture

Language lab

(1) Environmental requirements

1, lighting and lighting

1.1, (AP, AA, AAC) language classroom:

The minimum value of the daylighting coefficient on the desk top is not less than 1.5%, and the glass-to-ground ratio should not be lower than 1..6. Foggy areas 

The minimum value of the daylighting coefficient on the desk is not less than 2%;

The average illuminance value on the desk table should not be lower than 200Lx, and the illumination uniformity should not be lower than 0.7.

1.2, (APV, AAV, AACV) language classroom:

The minimum natural lighting factor on the desk top is not less than 1.5%;

When using television to teach, the average illumination of the desktop artificial illumination should be 60Lx±6 Lx, and the illumination uniformity should not be lower than 0.7;

Indoors should have measures to prevent the light source from generating glare on the screen;

Indoors must have dimming facilities and enhanced ventilation.

2, ventilation

The number of air changes per hour: the primary school should not be less than 3 times, and the secondary school should not be less than 4 times;

Necessary ventilation: primary school students should not be lower than 11m3/(h. person), middle school students should not be lower than 14m3/(h. person); indoor carbon dioxide maximum allowable concentration is 0.15%.

3. Heating temperature in heating area

During the learning time, the temperature in the middle of the classroom (one meter away from the ground) should be 16 ° C ~ 18 ° C, should not exceed 20 ° C, the relative humidity should be 30% ~ 80%, the wind speed should be 0.3 m / s

Lower; classroom temperature difference and vertical temperature difference should not exceed 2 °C.

4. Noise: The noise in the language classroom should be less than 55dB.

5, the language classroom should be set in an environment without strong electromagnetic radiation;

(2) Design requirements

1. The language classroom should be designed on the upper level of the teaching building. It should be relatively far away from sports venues, music classrooms, streets and other places with large sound sources.

2. The language classroom should have a sound-absorbing design.

3. When setting up the console in the classroom, the horizontal distance between the front row of the first row of language learning tables and the blackboard should not be less than 2500mm; the width of the longitudinal walkway should not be less than 600mm, and the width of the lateral walkway at the back of the classroom should not be less than 600mm.

4. The net distance between the end of the language study table and the wall surface (or the inner wall column and equipment pipeline of the protruding wall surface) should not be less than 550mm; the net distance of the front and rear language learning tables should not be less than600mm.

5. The loop antenna is required to be laid in a dark line indoors.

6. Location distribution of multiple audio-sensing AP language classrooms: Each room cannot be vertically placed in each floor of the teaching building; each room should be set horizontally, and there should be enough distance between the two to make each other's audio crosstalk. Less than 45dB.

(3) Furniture requirements

Guangzhou Hopui Laboratory Equipment Co.,Ltd

is a large-scale production and sales professional modern laboratory company integrating laboratory planning and design, laboratory furniture manufacturing, laboratory construction, renovation and renovation engineering construction, laboratory equipment sales. The company is committed to the safe, effective, green and environmentally friendly laboratory decoration design and innovation, high-end comfortable office decoration and tight integration.