At present, many engineering companies get laser infrared light, in the actual test process, with the ordinary color to black camera to detect the infrared light of the laser infrared light, found that completely inductive, or very weak, there is a feeling of being deceived, it is Otherwise, because the ordinary color to black camera adopts the filter technology, the infrared light except the infrared light of the infrared light of LED 850nm is filtered out, and the infrared light of the laser infrared lamp uses the infrared wavelength of 808nm and is filtered by the filter. Do not filter it off. So the formation of inability or induction is weak.
Cameras that can be used in combination with laser infrared lamps, whether it is a gun or a camera, are currently using dual filter switching IRC technology, but the use of this technology is generally relatively high cost of the camera, so currently only some international famous brands Cameras like SONY, Samsung, Panasonic, LG, etc. use this dual filter switching technology in nearly all of their products, and there are also domestic manufacturers such as Jing Yang, Hong Tianzhi, Xiang Fei, Le Rong, Topbang, and Syat. In some products, dual filter switching technology is used, and most manufacturers have also begun to use filter wavelengths to pass 810nm laser infrared light, or directly to filter manufacturers to order through 808nm laser infrared light. The filter is compatible with laser infrared light at a low cost to adapt to the night vision trend of future infrared lamps towards the laser.
2. Misunderstanding on understanding
People often understand the laser infrared light with the knowledge of LED infrared light. LED infrared light characteristics are not directional, beam angle is large, a number of LED lights gathered together can achieve near-interval all-round lighting, but the LED does not have directionality, it can only achieve near-interval tens of meters illumination.
With this understanding, hope to see the laser infrared lamp and LED infrared light, in 100 meters 200 meters 300 meters 500 meters above can achieve all-round illumination, in fact at present there is no international laser infrared technology can do far Interval lighting in all directions can only achieve the local scope of the middle and far distance lighting.
Of course, the continuous advancement of laser technology, and the realization of large-area lighting within 300 meters is a matter of time. The zoom laser infrared lamp NG250B recently launched by Dapu Company can realize the lighting needs of both the near and far.
3. Misunderstanding of project installation
Most customers use the LED infrared light to install and understand, and bundle the LED infrared light with the camera to achieve close-range wide-angle lighting. If the LED infrared light is not bundled together with the camera, it will produce obvious aperture phenomenon. It will have a bad effect.
With this understanding of the LED infrared light, to understand the laser infrared light, because the laser infrared light contact is not deep, imagine the laser infrared light can achieve more than 100 meters of all-round lighting, of course, the laser infrared light and the camera bundle Do engineering installation together.
Some pragmatic technology-based companies are clearly familiar with the requirements of the market to the mid-range laser infrared light has a certain range of lighting, the laser infrared light and the camera bundled together in an installation of the effect is not necessarily the best, but the cost of the project Differences are reflected here.
In terms of achieving long-range monitoring, if the design of the project is not satisfactory, it may not be able to achieve good monitoring and the project cost will increase. At this time, the engineering installation technology strength of the large-scale engineering company is reflected. How to install a laser infrared lamp and a camera in different directions to achieve a more reasonable installation scheme according to the project site environment has become a technical topic that is placed before major project providers.
At the same time, this is also a manifestation of the technical differences in the installation of small-scale equipment wholesalers for large-scale engineering companies.
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