Drivers and friends, have you ever been beaten by the flashing lights on the intersection of the probes at night? Do you wonder why the brightness of the fill light is so bright? Regarding the safety hazard caused by the probe fill light, the Shanghai related media surveyed more than 20 probes at 7 intersections in the past two years, and found that the probe fill light interfered with the driver's line of sight, and there were certain safety hazards. Recently, at the second meeting of the 12th CPPCC National Committee, in response to this phenomenon, CPPCC members have built a light control device with a probe fill light, hoping to avoid the stroboscopic phenomenon of the fill light through technical means and reduce the driver's eye. Stimulation and distraction problems. Probe fill light strobe adds security risks In recent years, with the construction of safe cities, intelligent transportation and other projects, there are more and more probes in urban streets. As a high-tech public security and traffic management tool, electronic monitoring equipment is used in urban road traffic management and public security department cases. Great effect. However, at night, some of the auxiliary lights on the side of the probe have a bright light, which makes the driver complain. The safety hazard brought by the probe fill light has gradually attracted everyone's attention. It is understood that most of the probe's fill light uses led lights, of which long-lit square lights are mostly, some are set up separately, some are integrated with the probe; some fill light flashes at a fixed frequency; third It is a strobe fill light installed in a small number of sections. When the vehicle is turned on, it will flash like a camera flash when it touches the sensor. During the "electronic eye" shooting process, the strobe mainly occurs in three situations: First, when the "electronic eye" is working, in the environment where the traffic is dense and the light is insufficient, the flash will start and automatically fill the light; second, if there is a pedestrian or The bicycle enters the monitoring range, the electronic eye mistakenly believes that the vehicle violates the regulations, activates the flash, fills the light to view; the third is the newly installed equipment for debugging. It is this kind of strobe light that often interferes with the driver's line of sight, irritates the driver's eyes, distracts the driver's attention, and can cause a car accident in serious cases. The bayonet section in intelligent transportation, because the public security department needs clear front passenger and passenger characteristics, equipment manufacturers will set up various gas flash, led flash, led strobe fill light at the front intersection to see the front row Features such as crew, body color, license plate number, etc. Nowadays, there are many types of fill lamps of various types and specifications on the market. If used improperly, it will cause interference and influence to the driver. In extreme cases, it may even cause traffic safety accidents. Can the addition of light control devices solve the stroboscopic hazard? According to the information released by the Shanghai Traffic Safety Information Network, there are 3,124 intersections in Shanghai with fixed electronic monitoring points, which will increase in the future. Since the stroboscopic problem already exists, it cannot be ignored. It is necessary to improve the electronic monitoring equipment through technology or adopt other Remedy. For the safety hazard caused by the strobe of the probe fill light, CPPCC members suggested adding a light control device, hoping to avoid the strobe phenomenon of the fill light through technical means. “When the natural light is insufficient, the photoelectric sensor automatically turns on the street light to fill the light according to the received signal; when the natural light is sufficient, the street light is automatically turned off; it is also considered to install a light control lighting device next to the electronic monitoring device.†The CPPCC member said. Technically improved, through the constant light source such as street lamps to meet the "electronic eye" to the nearby road surface lighting requirements, to avoid the flashing phenomenon caused by the fill light, in order to reduce the driver's eye irritation and distraction. Light control is a device that controls when the light is turned on and when it is turned off. It cannot completely solve the safety hazard. In addition, the probe must clearly consider the white balance, strong light suppression and other factors, which need to be supplemented with light. Different manufacturers have different choices of fill light, and the final effect is quite different. For the choice of fill light, on the one hand, it requires a wealth of field experience, and second, it must be fully tested. The matching lamps must meet the fill light requirements of the site, and can not affect the driver too much, and minimize the hidden dangers of traffic safety. â€
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