The current infrared technology is basically divided into two major categories. One is passive infrared and the other is active infrared. Passive infrared actually does not emit any signal itself. It passively senses the difference in the surrounding objects. Therefore, at night, in the fog, as long as the object has a temperature, it can be distinguished. The most representative security products produced using passive infrared technology are infrared thermal imagers and passive infrared detectors. The active infrared, that is, the machine automatically emits an infrared light, the human eye can not see the infrared light, but the camera can sense this light. At present, the application of active infrared technology in security is more common, like ordinary infrared night vision cameras, active infrared intrusion detectors. In particular, infrared night-vision cameras use LED lights to make infrared night vision in a unified manner. The low price has greatly promoted the popularization and development of infrared night-vision cameras.
Infrared night-vision cameras With the gradual deepening of the safe city, the requirements for safety have become more and more stringent, and more and more places need continuous monitoring for 24 hours. The application of infrared monitoring at night is even more prominent. It is not only used by important departments such as vaults, oil depots, armory, cultural relics departments, and prisons, but also widely used in general monitoring systems. Even residential quarters monitoring projects have applied infrared night vision. The camera, thus driving the infrared night vision camera market continues to heat up.
In order to adapt to applications at night or similar scenes, infrared night vision cameras are widely recognized. It combines camera, infrared and other technologies. Its components include cameras, lenses, and infrared lights. These three tasks have different responsibilities in the infrared night vision camera. The basic principle of its realization of night vision is to use an ordinary camera equipped with an aperture CCD to sense the spectral characteristics of the infrared light source (that is, visible light can also feel infrared light), with the additional LED infrared light as an "illumination source" at night or micro Imaging under light conditions. The power and angle of the infrared lamp, the configuration of the camera diaphragm CCD, the choice of switching filters day and night, and whether there is a good power supply heat treatment are important parameters for judging the performance indicators of the infrared night vision camera.
It is understood that compared with infrared thermal imaging cameras, infrared night vision camera technology threshold is not high, most of the domestic market is occupied by domestic brands, foreign brands only occupy part of the high-end market. According to the distribution of domestic infrared night-vision cameras, Shenzhen is the largest, accounting for 70% of the total. Infrared night-vision video camera due to the absolute advantage of price, function, at present, the sales of infrared night-vision cameras have surpassed the traditional bolt, and become the main export of many private security companies in China. The way that this camera is equipped with LED infrared light module is sweeping the entire security video surveillance industry, and it has become the root of all-weather monitoring.
However, due to infrared night vision cameras using infrared LEDs to achieve infrared night vision, so subject to the development of LED. The LED also has some deficiencies: For example, if you want to achieve long-range infrared radiation you need to compare more LED particles, so that both energy consumption and camera size is too large, is not conducive to covert surveillance. In addition, the life of the LED lamp is short, and it will become less and less clear after a period of use, thereby affecting the picture quality.
Therefore, improving the performance of LED lights, reducing energy consumption, and improving the distance and image quality will be the future development and innovation of infrared night vision cameras. Price is no longer a problem, as long as the product performance can be further improved, I believe, infrared night-vision cameras will become more and more "red."
Infrared night-vision cameras With the gradual deepening of the safe city, the requirements for safety have become more and more stringent, and more and more places need continuous monitoring for 24 hours. The application of infrared monitoring at night is even more prominent. It is not only used by important departments such as vaults, oil depots, armory, cultural relics departments, and prisons, but also widely used in general monitoring systems. Even residential quarters monitoring projects have applied infrared night vision. The camera, thus driving the infrared night vision camera market continues to heat up.
In order to adapt to applications at night or similar scenes, infrared night vision cameras are widely recognized. It combines camera, infrared and other technologies. Its components include cameras, lenses, and infrared lights. These three tasks have different responsibilities in the infrared night vision camera. The basic principle of its realization of night vision is to use an ordinary camera equipped with an aperture CCD to sense the spectral characteristics of the infrared light source (that is, visible light can also feel infrared light), with the additional LED infrared light as an "illumination source" at night or micro Imaging under light conditions. The power and angle of the infrared lamp, the configuration of the camera diaphragm CCD, the choice of switching filters day and night, and whether there is a good power supply heat treatment are important parameters for judging the performance indicators of the infrared night vision camera.
It is understood that compared with infrared thermal imaging cameras, infrared night vision camera technology threshold is not high, most of the domestic market is occupied by domestic brands, foreign brands only occupy part of the high-end market. According to the distribution of domestic infrared night-vision cameras, Shenzhen is the largest, accounting for 70% of the total. Infrared night-vision video camera due to the absolute advantage of price, function, at present, the sales of infrared night-vision cameras have surpassed the traditional bolt, and become the main export of many private security companies in China. The way that this camera is equipped with LED infrared light module is sweeping the entire security video surveillance industry, and it has become the root of all-weather monitoring.
However, due to infrared night vision cameras using infrared LEDs to achieve infrared night vision, so subject to the development of LED. The LED also has some deficiencies: For example, if you want to achieve long-range infrared radiation you need to compare more LED particles, so that both energy consumption and camera size is too large, is not conducive to covert surveillance. In addition, the life of the LED lamp is short, and it will become less and less clear after a period of use, thereby affecting the picture quality.
Therefore, improving the performance of LED lights, reducing energy consumption, and improving the distance and image quality will be the future development and innovation of infrared night vision cameras. Price is no longer a problem, as long as the product performance can be further improved, I believe, infrared night-vision cameras will become more and more "red."