About LED lighting engineering professional language

About LED lighting engineering professional language


As a lighting person, you must understand some basic common sense of urban lighting engineering. Then, how much do you know about the terminology of LED lighting engineering?




Efficiency of lighting source (Lm/W)=Luminous flux (Lm)/Power consumption (W)


The luminous flux per unit solid angle per unit area. Unit: nt(cd/m2) article "Terms of LED Lighting Project in 2015


Light intensity (I): The luminous flux emitted by the luminous body within a unit solid angle in a specified direction. Unit: Candela (cd)


Luminous flux (Ф): The total amount of light emitted by the luminous body per second, that is, the amount of light emitted. Unit: Lumen (Lm)


Illuminance (E): The luminous flux of the luminous body illuminating the unit area of ​​the illuminated object. Unit: Lux (Lm/m2)


Luminance (L): The luminous body is in a specific direction, you know 5.html


Average life (h): refers to the number of hours when a batch of light bulbs are lit until 50% of the number of bulbs are damaged.


Color rendering (Ra): Compared with sunlight, the degree to which the light source presents the color of an object is called color rendering, which is the degree of vividness of the lighting color.


Utilization factor (CU): The ratio of the luminous flux received on the working surface to the total luminous flux of the light source.


Economic life (h): Considering the damage of the bulb and the attenuation of the beam output, the integrated beam output is reduced to a specific ratio of hours. This ratio refers to 70% of outdoor light sources, and 80% for indoor light sources such as fluorescent lighting.


Maintenance factor (MF): The definition of maintenance factor K is: after a period of work, the average illuminance generated by the lighting system on the working surface (ie, the maintenance illuminance) and the average illuminance when the system is newly installed (ie, the initial illuminance) Ratio.


Color temperature (K): It is expressed by the absolute temperature K (Kelvin), which is to heat a standard black body. When the temperature rises to a certain level, the color starts to change from red to light red, orange, white, and Blue-white, blue, and gradually change. Using this characteristic of light color change, when the light color of a light source is the same as the light color of a black body at a certain temperature, we call the absolute temperature of the black body at that time as the color temperature of the light source .


Glare: There are extremely bright objects or strong brightness contrast in the field of view, which can cause visual discomfort and is called glare. Glare can be divided into disabling glare and uncomfortable glare. Glare is an important factor that affects the quality of urban lighting projects.


Yitong reminds: When choosing SMT placement machine equipment, you must find a strong company. Shenzhen Yitong Automation Equipment Co., Ltd. is a professional manufacturer of SMT placement machine equipment. The company focuses on the development and manufacturing of SMT placement machine equipment, and its products are exported to many countries overseas.



Yitong HT-F7 high-speed placement machine

Product features:

1. Suitable for one-time mounting of 0.6, 0.9, 1.2 meter LED hard light board, 0.5, 1 meter LED soft light strip mounting

2. The placement head is divided into two groups on the left and right, each with 17 nozzles, A and B materials can be pasted at the same time, a single reel can be pasted, and the same reel is always mounted on the same light bar.

3. 4 kinds of materials can be mounted at the same time, and the production capacity is not affected by the ratio of lamp bead resistance.

4. Exclusive patented technology: group picking and group posting



In more than half of 2017, what is the trend of the LED lighting industry?
In more than half of 2017, what is the trend of the LED lighting industry?
Due to the large market space in my country's lighting industry, the entry barriers for low-end product industries are relatively low, especially after the rise of LED lighting, a large amount of social capital has poured in, thus forming an industry competition pattern with relatively low industry concentration and fierce market competition .
The concept of sharing has long been
The concept of sharing has long been "rooted and sprouted", but the LED display is long overdue
Nowadays, the fast-developing information society also allows LED displays to have broad application prospects in various fields.
In the second half of 2017, where should LED lighting companies go?
In the second half of 2017, where should LED lighting companies go?
In the blink of an eye in 2017, more than half of the year, entering June, lighting companies have summarized "the gains and losses in the first half of the year" and set out to lay out the "development plan for the second half of the year."
LED industry concentration is increasing year by year, investment enthusiasm remains unabated
LED industry concentration is increasing year by year, investment enthusiasm remains unabated
In the beginning of 2017, Mulinsen invested 1.035 billion yuan in the Xinyu LED lighting accessory project; Guangpu shares, which successfully transferred from the New Third Board to A shares, invested 132 million in the LED lighting product expansion project on May 25 ;
  • 86-755-29502322
  • 2/F, Building C2, Hengfeng Industrial City, No. 739, Zhoushi Road, Hezhou community, Hangcheng street, Bao'an District, Shenzhen

Accessories mall

Links:Jiangxi ETON|
© 2021 Shenzhen ETON Automation Equipment Co., Ltd. 粤ICP备13033368号 Powered by
  • QQ
  • Wechat 微信公众号
  • Mall 微信公众号
  • Hotline 86-755-29502322 、27311022 、27311822
  • TOP