照明光通量法计算器
按光通量法得出的房间灯具数量及布置网格。
Reads AS/NZS 1680.1:2006 and AS/NZS 1158.1.2:2010. Tables checked 1 Oct 2026.
尝试一个工程 11
每项工作都会预填示例数值。请替换为您自己的数值。
- Light a kitchen by the lumen methodHow many downlights a kitchen needs for its target lux, in a grid.
- Light a garage with battensHow many LED battens a garage needs, laid out in rows.
- Light an office to 320 lxHow many panels an office needs to AS/NZS 1680.1 Table 3.1, with the spacing check.
- Light a warehouse with high baysHow many 20 000 lm high bays a 30 by 20 m bay needs.
- Light a corridorHow many downlights a 12 by 1.5 m corridor needs.
- Light a bathroomHow many downlights a 3 by 2.4 m bathroom needs.
- Light a living roomHow many downlights a 6 by 4.5 m living room needs.
- Light a bedroomHow many downlights a 3.6 by 3.2 m bedroom needs.
- Light a switchroomHow many battens a 5 by 3 m switchroom needs.
- Light a classroom to 320 lxHow many panels a 9 by 7 m classroom needs at a target you set.
- Light a dusty workshopThe count with a maintenance factor from Table 14.4.
输入
使用默认输入值的示例计算。
- 房间用途
- 客厅
- 房间长度
- 4 m
- 房间宽度
- 3.5 m
- 天花板高度
- 2.4 m
- 灯具距地面高度
- 0 m
- 工作面
- 0 m
- 目标照度
- 0 lx
- 每个灯具的流明数
- 800 lm
- 每个灯具的瓦数
- 9 W
- 光束角
- 90 °
- 反射率：天花板 / 墙面 / 地面
- 70/50/20 %
- 灯具维护系数取自 Table 14.4
- 自有系数
- 维护系数
- 0.8
灯具
6
- 网格
- 3 × 2
- 纵向间距
- 1.33m
- 横向间距
- 1.75m
- 布局所提供的照度
- 156lx
- 照明功率密度
- 3.86W/m²
此结果仅供设计参考。请对照现行标准进行核验。
计算步骤
- 楼面面积14m²
- 目标照度150lx
Typical design value. Not a standard’s value.
- 工作面0.7m
AS/NZS 1680.1:2006 Table 3.2
- 灯具高度2.4m
The ceiling
- 高于工作面的高度1.7m
- 房间指数
K = L × W / (Hm × (L + W))
1.1 - 利用系数0.57
Typical value for a direct luminaire. Use the maker’s table when you have it. Reflectances 70/50/20 %.
- 维护系数0.8
- N = E × A / (Φ × UF × MF)5.76
- 电网3 by 2
- E' = N' × Φ × UF × MF / A156lx
- 间距与高度之比，最大值1.03
Spacing to height ratio for even light. Typical.
- 照明功率密度3.86W/m²
关于此计算器
How this is calculated
The tool finds how many luminaires a room needs. It uses the lumen method. The target lux comes from AS/NZS 1680.1:2006 where that Standard lists the room use.
- Room and plane. The tool finds the floor area. It reads the target illuminance and the working plane height for the room use (Tables 3.1 and 3.2).
- Room index. It works out K = L × W / (Hm × (L + W)). Hm is the luminaire height above the working plane.
- Utilisation factor. It reads a typical factor for the room index and the reflectances you pick. You can type your own factor from the maker's table.
- Maintenance factor. It uses the value you give. The helper reads the luminaire factor from Table 14.4 of AS/NZS 1158.1.2:2010. You type the lamp lumen factor.
- Number of luminaires. N = E × A / (Φ × UF × MF). The tool rounds up to a grid that fits the room shape.
- Check. It works the lux the grid gives, the spacing to height ratio and the lighting power density.
| Step | Table or clause | What it decides |
|---|---|---|
| Target illuminance | AS/NZS 1680.1 Table 3.1 | The lux for the room use |
| Working plane | AS/NZS 1680.1 Table 3.2 | The height of the task plane |
| Maintenance factor | AS/NZS 1158.1.2 Table 14.4 | The luminaire factor for dirt |
Worked example
- Office, 6 m by 5 m, 3000 lm luminaires. The ceiling is 2.7 m. The target is 320 lx. The tool gives 9 luminaires in a 3 by 3 grid. That layout gives 449 lx.
Limits
- For a living room and some other uses, the target is a typical design value. It is not a Standard value. Check it against your brief.
- The utilisation factor is typical for a direct luminaire. Use the maker's table when you have it.
- The tool does not model glare, uniformity or a photometric file. It does not replace a lighting design programme.
- The grid is an even layout. A room with obstructions or a feature may need a different layout.
- The tool does not read AS/NZS 3008 and has no edition select.
See also: Worked examples by tool and trade, Obtrusive light and the 4282 zones and Obtrusive light.
问题
结果仅供设计参考。请依据现行标准核对。
照明光通量法工具有什么作用？
本工具求出房间达到目标照度所需的灯具数量。数量为目标照度乘以地板面积，再将其除以单个灯具的流明数及两个系数。本工具将数量排列成网格，并对照安装高度检查间距。
目标 lux 从哪里来？
办公室或仓库等工作场所房间依据 AS/NZS 1680.1:2006 Table 3.1，步骤中会注明。住宅房间、厨房和车库属于 AS/NZS 1680.2 系列，AmpSize 未收录该系列。这些房间及室外区域采用典型值，本工具会对此予以说明。Table 3.1 中的 240 lx 适用于工作场所食品准备。
利用系数是多少？
这是灯具光线到达工作面的部分。工具为直射式灯具读取典型值，并采用房间指数以及顶棚、墙面和地面的反射率。如有制造商表格，请选择“自定义利用系数”并输入数值。
维护系数从哪里来？
可自行输入，或从 AS/NZS 1158.1.2:2010 Table 14.4 取灯具维护系数。该表未计入光源光通量衰减。因此本工具要求从数据手册输入光源光通量维护系数：例如 L80 对应 0.8。维护系数为两者的乘积。
计算示例
背景
本工具读取的条款和表格
- AS/NZS 1680.1:2006 Table 3.1Recommended maintained illuminances for various types of tasks, activities or interiors
- AS/NZS 1680.1:2006 Table 3.2Lighting parameters for general lighting: recommendations
- AS/NZS 1158.1.2:2010 Table 14.4Typical luminaire maintenance factors
表格最后核对于 1 Oct 2026。
相关工具
这是否有用？
有问题，或数值看起来有误？联系我们。