According to the Tranbbs survey, about 50% of China's regions use magnetic coil detection technology to collect traffic flow, 20% use video technology, infrared ultrasound technology 10%, and geomagnetic technology does not exceed 10%. Talking about geomagnetic vehicle detectors, Northeast Liaohe * Liugong (000528, shares it) frankly: At present, the level of domestic suppliers of geomagnetic suppliers is uneven. In the past few years, some manufacturers tried to use geomagnetic vehicle detectors, but they did not understand the characteristics of geomagnetic vehicle detectors. The manufacturer did not give a reminder, and eventually paved the way with the hot high-temperature hot technology, leading to the destruction of geomagnetic vehicle detectors under the ground. The area is still dominated by coils and video technology.
From the perspective of the technology itself, coil, video, microwave, and radar detection technologies have their own advantages and disadvantages in product functions, construction budgets, and post-maintenance. The coil is the most mature product at present, but the later maintenance is complex, the impact on traffic is high, and the cost is high. Who can replace the coil to become the mainstream testing product in the future? The director of the Jiaji Transportation Research Institute Jia said that at present, about 5% of Baoji's signal control systems use geomagnetic vehicle detectors, but it is still necessary to verify the time for the final replacement of geomagnetism. Researchers from the Department of Transportation Management Science expressed their interest in geomagnetic vehicle detectors, but they also expressed concern: First, the product itself is waterproof, but what if the shell cracks and leaks later? The second is whether the product can achieve fault early warning function.
In 2007, the Beijing Expressway Phase II entrance and exit signal control project implemented by Beijing, installed 700 geomagnetic vehicle detectors for the first time. We learned through the staff of the Beijing Institute of Transportation Management that we participated in the project implementation that the project was China’s first large-scale application of a geomagnetic vehicle detector in a traffic signal control system, resulting in insufficient product stability and experience. Causes the product's service life to be short, the detection accuracy is not high, the project implementation effect is not good. According to the survey, the products of the Beijing project belong to the early products of geomagnetic detectors, and each test point product has two groups. At present, such products are no longer used in the market.
At the same time, users also have questions about battery life, anti-jamming performance, and function detection rate. Geomagnetic suppliers are also gradually improving and resolving whether or not geomagnetic vehicle detectors will become mainstream solutions for traffic flow detection technologies. They still need to accept the market. The test.
From the perspective of the technology itself, coil, video, microwave, and radar detection technologies have their own advantages and disadvantages in product functions, construction budgets, and post-maintenance. The coil is the most mature product at present, but the later maintenance is complex, the impact on traffic is high, and the cost is high. Who can replace the coil to become the mainstream testing product in the future? The director of the Jiaji Transportation Research Institute Jia said that at present, about 5% of Baoji's signal control systems use geomagnetic vehicle detectors, but it is still necessary to verify the time for the final replacement of geomagnetism. Researchers from the Department of Transportation Management Science expressed their interest in geomagnetic vehicle detectors, but they also expressed concern: First, the product itself is waterproof, but what if the shell cracks and leaks later? The second is whether the product can achieve fault early warning function.
In 2007, the Beijing Expressway Phase II entrance and exit signal control project implemented by Beijing, installed 700 geomagnetic vehicle detectors for the first time. We learned through the staff of the Beijing Institute of Transportation Management that we participated in the project implementation that the project was China’s first large-scale application of a geomagnetic vehicle detector in a traffic signal control system, resulting in insufficient product stability and experience. Causes the product's service life to be short, the detection accuracy is not high, the project implementation effect is not good. According to the survey, the products of the Beijing project belong to the early products of geomagnetic detectors, and each test point product has two groups. At present, such products are no longer used in the market.
At the same time, users also have questions about battery life, anti-jamming performance, and function detection rate. Geomagnetic suppliers are also gradually improving and resolving whether or not geomagnetic vehicle detectors will become mainstream solutions for traffic flow detection technologies. They still need to accept the market. The test.
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