Chancheng Public Utilities Bureau responded to netizens' doubts, saying that LED street lights can save input costs in six years.
Chancheng District plans to replace all 50,000 street lamps in the district with LED energy-saving lamps. However, some netizens questioned that LED street lamps are not only expensive, but also have the drawbacks of the color temperature difference affecting the owner's line of sight, the color is too white and ugly. Yesterday, the Chancheng District Public Utilities Bureau responded that the replacement LED street lights saved 55% more electricity than the existing street lights. From the perspective of the lighting display index, the LED lights are much higher than the existing street lights, and the public feels uncomfortable. It is a habit problem.
Netizen: 60 years of cost recovery
Since March this year, Chancheng District has begun to replace high-pressure sodium lamp street lamps in some sections, replacing them with high-power LED energy-saving street lamps. In the next three years, Chancheng will complete the replacement of 57,000 street lamps in the district.
At the time of the change work, some netizens posted on the local forum that the LED street lights were expensive and the lighting effect was not ideal. After replacing the LED lights on the roads such as Lvjing Road, the newly laid asphalt roads are poorly reflective, and pedestrians are difficult to guard against when crossing the road at night. Some netizens said that LED street lights are too pale and ugly. Netizen lishhui calculated an account and thought that the cost after changing the lamp would take 60 years to recover.
Department: Power saving light is bright
Yesterday afternoon, the Chancheng District Public Utilities Bureau responded to questions from netizens. The relevant person in charge of the bureau pointed out that the high-pressure sodium lamp currently used in Chancheng District has a power of 250 watts or 400 watts, and the LED street lamps to be installed in the whole district have powers ranging from 48 watts to 200 watts. The average price is 4,000 yuan.
Although the unit price is expensive, the person in charge pointed out that compared with the traditional high-pressure sodium lamp, the energy saving rate of LED street lamps is more than 55%. For example, he said that Weiguo Road installed 116 168 watts of LED street lamps, which are used for 11 hours per day. One year can save 10,800 kilowatts of electricity. At present, public facilities use 1.05 yuan per kWh. This road can save 105,800 yuan a year, and the cost of input can be saved in about 6 years.
As for the lighting effect, he said that the white light emitted by the LED is close to the sunlight, the color rendering index is high, and the lighting effect is better than the high pressure sodium lamp. In response to netizens' reflection that white light is too pale and ugly, he believes that this is only because the citizens are accustomed to the yellow light of high-pressure sodium lamps.
Newly renovated landscape lighting in Shanghai Waibaidu Bridge
Light effect diagram
The Waibaidu Bridge is old and old, and its appearance is the biggest change in the past. It may be a new installation of landscape lighting. The new landscape lighting is divided into two modes: normal and festive. The main color is warm yellow. On the front side, the bridge with the north and south lights is like a seagull's wings, flying lightly on the water. In the festival, the lights can be changed into blue, silver, purple and other colors. The reporter learned from the scene yesterday that the installation of landscape lighting is about to begin.
Various colors can be changed during festivals
As the designer of this landscape lighting, Zhang Ajing, deputy general manager of Shanghai City Light Lighting Design Co., Ltd. told reporters yesterday: The construction of the Bund is classical and solemn, and the Lujiazui on the other side is modern and fashionable. The architectural characteristics of Waibaidu Bridge can be summarized as a combination of historical complexity and modern simplicity. Therefore, our lighting design is to express the simple and heavy historical sense of architecture and the modern sense of industrial civilization. Classical and modern coincide on a bridge.
According to reports, the new landscape lighting is divided into two modes: normal and holiday. The usual mode has the choice of bright and non-bright outer frame. The main color is warm yellow, and the front side looks like the bridge between the north and the south is like a seagull's wings, flying lightly on the water. In the festival, the lights can be changed into blue, silver, purple and other colors.
The company's director lighting designer Ying Jinsong revealed that the warm yellow is mainly considering that the Waibaidu Bridge should be the continuation of the entire Bund landscape lighting. In some important festivals or in order to cope with important activities, the landscape lighting of the Waibaidu Bridge is gradually changed to other colors through the intelligent control system. It can be coordinated with the night scene lighting of Lujiazui. Of course, it depends on the actual needs. At the same time, the lighting control can have two modes, automatic and manual, to ensure the control of landscape lighting.
Best observation point river interchange
In the future, on the Huangpu Road, Wusong Road, Zhapu Road, Changzhi Road and South Suzhou Road around Waibaidu Bridge, motorists can watch at night in the middle and near distance. For those who walk, the south side of Huangpu Park and Huangpu Road is suitable for medium and short distance static viewing. The Pudong Riverside Avenue side of Pudong can be viewed from a panoramic perspective. The best observation area is at the intersection of Suzhou Creek and Huangpu River. You can have a good night's sleep in Pujiang.
The installation of this luminaire is also different from the past. See no light. Zhang Ajing told reporters that this is to avoid possible glare pollution, but also to not affect the architectural landscape during the day. It is reported that the bracket and outer casing of the luminaire are painted with the same appearance color as the Waibaidu Bridge. The installation of the luminaire is fixed with a special material in the groove where the steel beam and the steel beam meet, which is difficult to find and does not hit a bridge. eye. In addition, it is equipped with anti-leakage, anti-shock and anti-theft monitoring equipment.
It is understood that the new landscape lighting uses LED light source instead of the original metal halide lamp. The total number of lamps is 2,000, originally only 490, but the energy consumption has dropped from 73 kW to about 42 kW, which is reduced. More than 30%.
By next month, the Waibaidu Bridge will be reopened and the lights at night will be of interest to visitors. The reporter learned that some bridges on the Suzhou River to the east of the North and South elevated, the design of the landscape lighting will also enter the agenda.
2008 China's high-efficiency lighting product promotion exceeded [08 winning bidder] [09 push another 100 million] [Enterprise bidding instructions]
Latest Interview: [Greenman Marketing Director Huang Yuanzhang] [Guangdong Snowlight Chief of Staff Chai Guosheng]
Insert Plugs,Spark Plug Insert,Wood Plugs,Plastic Plugs
Power Cable Socket Lamp Co., Ltd. , http://www.nbpowercables.com