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xiuxiu

But what if public lighting(CLASSIC) doesn't actually make us safer?

After installing 3,500 new public lights in London's Wandsworth borough in the mid-1980s as part of its overall crime reduction program, researchers at the University of Southampton decided to compare the crimes reported before and after the upgrade. Although the increased lighting for decades has become a major component of urban crime prevention, the researchers found that “there is no evidence to support the hypothesis of improving public lighting to reduce reporting crimes”.

American cities tried similar experiments during the same period, and the results were mixed. According to a systematic review of urban lighting experiments in the United States in 2007, the increase in public lighting in Indianapolis, Harrisburg, New Orleans, and Portland, Oregon is inconsistent with the decline in crime rates in affected areas, but in Milwaukee, Atlanta. This is true. However, even in the “effective” American cities, they seem to be inconsistent: although Fort Worth saw a reduction in all types of crime, Kansas City only reduced in terms of violent crime.

If you are ready to upgrade to a more efficient lighting system, for more information, please click Led Public lighting.

xiuxiu Yesterday, 09:32PM · Tags: led public lighting, public lighting
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Another problem with Led Public lighting(CLASSIC) is a cheap installation. They may have the potential to be at the heart of a smart city, but now they are awkwardly installed without knowledge or advice and may store health issues for all of us.

White LED public lighting is more energy efficient and longer lasting than the orange high-pressure sodium lamps they are rapidly replacing, but its cost is beyond economics.

The first is glare, and the new LED public lighting makes it harder to see anything in the shadows cast by cars and trees. Second, choosing a serious LED street light will produce clinical white light.

A common complaint with LEDs is that the light they produce is 'cold' or unpopular, and there is actually a strong evolutionary cause. We have evolved to relate warm red or orange light to natural light sources, such as the environment and rising sun and fire, associated with dawn and dusk, which is usually a break. But our brain recognizes blue light, which is also emitted from TV, mobile phones and computers. Just like during the day, too many things can make our natural body rhythm out of sync.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

xiuxiu Yesterday, 08:51PM · Tags: led public lighting, public lighting
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According to the American Medical Association, LEDs contain a lot of blue light, which has a negative impact on human health (and the health of birds, sea turtles, and insects). The association says that Led Public lighting(CLASSIC) has a five-fold greater impact on circadian rhythm sleep rhythms than the Replacement lamp.

Everyone knows that they need to stop staring at tablets and mobile phones about an hour before going to bed (Blu-ray suppresses nighttime melatonin production), and brands such as Apple and Samsung can gradually turn the light from the LED screen into warmth, on the device. Harmful tones.

The use of these specific LED public lighting is actually just to save money, often ignoring smarter LED technology. By using a phosphor coating, the blue light generated inside the LED turns white, which absorbs some of the light energy and converts it into warmer yellow light. It is a mixture of yellow and blue that produces light, which we think is white. “The conversion process is not 100% efficient, so cooler lamps convert less blue light and are more efficient than warm yellow lights.

The amount of blue light we are exposed to is becoming more and more controllable, so it's easy to achieve a balance between efficient lighting and pleasing light, and the harm is less, it's just the authorities' problem that using them will bring real cost benefits.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

xiuxiu Yesterday, 08:45PM · Tags: led public lighting, public lighting
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Led Public lighting(CLASSIC) is efficient solid-state lighting (SSL) technology in which almost all energy sources produce light rather than waste heat. In addition to being more effective than high-pressure sodium (HPS) and other conventional light sources, LED public lighting has the ability to replace higher wattage HPS luminaires with lower wattage LED luminaires. E.g:

Optical Control: LED common illumination provides a uniform light distribution, while conventional light sources direct most of the light output to a small area directly below the luminaire.

Lumens depreciation: LED public lighting maintains light output for much of its long life, while the rapid depreciation of light output from conventional sources requires the use of higher wattage luminaires to maintain minimum light levels over their useful life.

Adaptability: LED public lighting can be field adjusted for different applications. LED public lighting can be easily controlled (dimmed) to save extra energy compared to HPS lighting provided only in fixed wattage.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

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There is data showing that public lighting(CLASSIC) can reduce crime, which is an important issue that has a negative impact on people's perceptions of public housing and residents' perceptions of their space. In May 2016, New York City Mayor Bill de Blasio announced a study to study the impact of different lighting technologies on crime reduction.

The City of New York worked with residents of housing development to identify areas where lighting was needed and installed 400 additional temporary lighting. Elizabeth Glazer, director of the Mayor's Office of Criminal Justice, commented on the study: "Light-filled streets are more likely to stop crime than dark alleys, just as work and recreation opportunities promote safety more than disadvantages and disconnections. The statement is correct because lighting has the potential to open up space for nighttime, so it is connected.

The ability of light to describe space as attractive or unattractive further promotes the existing differences between the rich and the poor.

If you are ready to upgrade to a more efficient lighting system, for more information, please click Led Public lighting.

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For any creature, this damage is again driven by color. According to the report, Led Public lighting(CLASSIC) "has at least five times more influence on circadian rhythm physiology than high-pressure sodium lamps based on melatonin suppression." For animals, the color and brightness of outdoor lighting are equally meaningful, affecting how birds migrate, If the lightning bug is born, and determine the success rate of the young turtle trying to enter the sea.

Changes in circadian rhythms due to the blue tint of the LEDs may also affect people's hormone levels. A study in 2018 showed that people living in public areas of LEDs have an increased risk of prostate or breast cancer, both of which are hormone-related cancers. The study tracked more than 4,000 patients in Spain and established a link between high-level LED exposure and a doubling of the risk of prostate cancer and a 1.5-fold increase in breast cancer risk.

Despite the increasing risks, there are ways to mitigate most, if not all, of the negative effects of LED public lighting while maintaining an edge. The yellower LED public lighting softens the intensity of the blue light, and the lower intensity lights help the neighbors feel less like night-lit stadiums while still making the street feel safe. Shields on both sides of the light can also help, so light is directed to the ground instead of the surroundings, including through people's windows.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

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Like almost every city in the United States, the risk of crime in New York is economically disadvantaged and there are differences between the rich. Addressing this difference while maintaining a reduction in crime rates in New York City as the national crime rate rises is a key policy challenge. A promising approach is to change the physical environment, including adding public lighting(CLASSIC). It has long been believed that public lighting can affect crime, but so far there has never been any rigorous evidence to support this hypothesis.

The results of the lighting project have an impact on New York City and other regions. Unlike many jurisdictions across the country, New York has shown that it can reduce crime while reducing its prison population. The success of the City of New York in this area is due in large part to the recent innovations in police in the New York Police Department. The results show that environmental design can not only affect crime, but investment in physical environment changes such as new street lights can enhance New York City's efforts to promote public safety and help reduce crime-freeness across the city without resorting to construction. New prisons or imprisoning more people. There is evidence that residents appreciate the new resources introduced into the community during the lighting project: the survey results show that all two-thirds of NYCHA residents are satisfied with the new lights.

If you are ready to upgrade to a more efficient lighting system, for more information, please click Led Public lighting.

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Some residents are rethinking bright Led Public lighting(CLASSIC) when residents complain.

LED public lighting may last longer and consume less energy than traditional street lights, but if they are exposed to the home, brightness can affect your ability to sleep.

LED street lights are eco-conscious, thrifty and favorite of many municipal officials. This is because LEDs last longer than traditional high-pressure sodium lamps and metal halide lamps, which means fewer bulbs are purchased and labor costs for replacing bulbs are lower. The energy they use is reduced by about 50%, which saves money and plant emissions.

These savings can add up. The New York City Department of Transportation told the Wall Street Journal that switching to LED bulbs could save the city $6 million in energy and $8 million in maintenance costs each year. So you can see why many cities, including Seattle, New York and Los Angeles, have turned to new light bulbs in recent years. According to data from the US Department of Energy, LED public lighting in the United States now accounts for about 13% of public lights in the United States.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

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Many cities are already replacing traditional luminaires with more energy efficient Led Public lighting(CLASSIC). These projects also created opportunities to deploy wireless machine-to-machine (M2M) solutions for connected public lighting. By centrally monitoring and controlling the LED public lighting intelligent network, the government and its partners can:

Dynamically adjust lighting, for example, to add or subtract lighting at different times of the day or in response to weather events.

Increase safety by detecting power outages faster, increasing lighting in areas with high crime rates, or responding to emergencies.

Significantly reduced power consumption and cost, some cities achieve energy savings of up to 80%.

In addition, once the city has connected the lighting infrastructure, it can serve as the basis for a variety of smart city applications that improve safety, efficiency, and quality of life. The connected outdoor lighting network provides a platform for digital signage systems, video surveillance, electric vehicle charging, and public Wi-Fi. Cities can begin to rethink their perceptions of assets and see them as opportunities to deliver new services and generate revenue, not just management costs.

If you are ready to upgrade to a more efficient lighting system, for more information, please click public lighting.

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The public lighting(CLASSIC) with LED bulbs, wireless technology, motion sensors that activate lights when passersby are close, and connection technology that reminds the city when a need to replace a light bulb can help make the street safer while saving the government money on electricity bills.

For example, the Chicago Transit Authority recently launched a $160 million public lighting project, most of which will pay for it. According to the city's press release, LED bulbs and IoT-connected devices will be 50% to 75% more efficient than traditional lighting methods, meaning that the energy costs saved will largely offset the cost of modernization projects.

At the same time, Los Angeles, an early adopter of the technology, has installed more than 80% of its streets in the past few years with LED bulbs and 4G LTE wireless technology. The city has seen the benefits of change.

The city reported that the new public lighting saved 63% of its energy costs in the first year, using connected poles to improve residential battery service, and other benefits.

But Los Angeles did not stop there. It also uses the technology in a way that helps solve city-specific problems, providing street lights with sensors that detect gunshots or other noise that may pose a threat to public safety.

If you are ready to upgrade to a more efficient lighting system, for more information, please click Led Public lighting.

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