Many Kinds Of Street Lamps
At present, China's cities are installed on the street lights, and even the remote rural roads also have the existence of streetlights. Yes, streetlights have become an indispensable part of people's lives. If there is no street lamp, then people's night travel will also be greatly affected. So what are the benefits to people's lives in general street lamps?
First, convenient travel
Convenient travel is a main role of streetlights. If it is not convenient to travel, then people will not install the product at all. Street Light With the increase of night entertainment activities in China, young people are beginning to enjoy all kinds of nightlife. Yes, Street Light the experts have just investigated the sleeping time of our college students. Yes, the average person's sleep time is less than 7 hours. This means that people have more and more time to participate in the night life. If there is no street lamp, then the travel will bring many inconvenience, Street Light then the night life can not start.
II. Ensuring safety
In fact, people look at the news that the current society is not very safe, there are always robberies and other events happen. However, Street Light the occurrence and location of these cases are consolidated. People will find that there is something in common. Then it happens where there is no street lamp, it is more remote. This also indirectly reflects the sense of security caused by streetlights. Yes, under streetlights, Street Light criminals are easy to see and easily caught.
Yes, the convenience of travel and ensure safety is a major role of the current street lamp. This is also the main reason that our country street lamp spreads, reduces the crime probability, guarantees the social stability.
Street lamps are usually grouped by the shape of light emitted. The International Lighting Commission (CIE) recommends a projection, expansion and control of 3 items.
① projection. Indicates that the light emitted by the luminaire is spread vertically along the road, Street Light and is divided into short, medium and long 3 species.
② extension. Indicates that the light emitted by the luminaire is spread horizontally across the road, and is divided into 3 kinds: narrow, general and wide.
③ control. Indicates the degree of lighting control glare, Street Light divided into a limited, medium and strict 3 kinds.
The way of installation of street lamp is bracket type, high type, straight rod type, suspension cable type and wall-absorbing type, etc.
Types of street Lamps
1, according to the height of the street lamp: High Pole street lamp, pole light, road lamp, garden lamp, lawn lamp;
2, according to the lamp rod material: hot-dip galvanized Iron street lamp, steel street lamp and stainless steel street lamp;
3, according to street lamp light source: lamp lamps, LED street lamps, energy-saving street lamps, new Somin xenon lamps.
4, according to modeling: Chinese lights, antique lights, landscape lights, single arm street lamps, both arms street lamps.
5, according to the mode of power supply: The City circuit lights and solar street lamps, scenery complementary street lamps
Street lamps involve lighting technology and apply to street lights. The aim is to design an efficient electronic energy-saving street lamp with a long life, low power dissipation, high power factor and small current harmonic content. The high-efficiency electronic energy-saving street lamp includes a sequential connection of the power grid high-voltage discharge slip R1, C1, Rectifier bridge d1-d4, Power factor correction Branch C2, D5, D6, High frequency Burr filter Branch L1, L3, high-frequency oscillation circuit bg1-bg2, start branch L2, C7 and tube t; compared to the previous street lamp can save 80%; harmonic content thd〈25%, prolong the lamp life can reach 3-4 times.