Talking about the disadvantages of using infrared cameras

The concealment of infrared cameras has gained great recognition in the market, and the use of people has become wider and wider. The wider the scope of use, the more people, the more disadvantages of infrared cameras. According to statistics compiled by Xiaobian, the disadvantages of infrared cameras are mainly concentrated in the following five aspects.
First: short life
One of the fatal drawbacks of infrared cameras is their short life. Part of the electrical energy consumed by the LED is converted into effective light energy, and some is converted into thermal energy. When the thermal energy cannot be effectively controlled, appropriate cooling measures are taken, and the temperature inside the machine is too high, which causes the LEDs to age too quickly and cause irradiation Drop too fast. In particular, some infrared camera manufacturers do not have a healthy business philosophy, one-sided pursuit of performance at delivery, neglecting the product's service life, and desperately pursue brightness and distance without solving the problems of heat generation and excessive temperature rise. An important factor that causes its service life to decrease rapidly.
Second: The night vision effect is not ideal
This phenomenon is mainly reflected in the effect of the flashlight or the distance is not enough, which is mainly caused by the angle and function of the infrared light. Now the infrared lamp used by infrared cameras is also called 850 infrared emitting tube. The peak wavelength is 850, and the angle can be selected from 5-60 degrees. The smaller the infrared emitting tube angle is, the longer the irradiation distance is, the more obvious the effect of the flashlight, otherwise, The larger the angle, the less effective the flashlight, but the greater the distance.
Third: color distortion
The color of infrared cameras will be more or less discolored during the day. The most direct cause of this phenomenon is the problem of infrared camera filters. Generally, infrared cameras use dual-peak filters that can pass a certain proportion of infrared light. The advantage is low cost, but because natural light contains more infrared components, when it enters the CCD, it will interfere with color reproduction, such as green plants turning gray and so on (the outdoor environment with sunlight is particularly obvious).
Fourth: Poor waterproofing and heat dissipation
After the infrared camera is used for a long time, there will be more or less soda inside (this phenomenon is mainly concentrated in the northern region). The reason for this phenomenon is mainly due to the insufficient sealing effect of the casing and the temperature difference when the fashion machine is not considered. When the infrared lamp starts to work, a large amount of heat is generated, and at the same time, the heat dissipation effect of the casing is not enough, which will greatly reduce the service life of the camera.
Fifth: repeated jumps at the critical point
This is due in part to the fact that infrared cameras equipped with IRCUT dual filters or dual-peak filters cannot work stably under certain complex light environments, and because most infrared camera manufacturers are simple to use Such as the photoresistor sensor to control the working state of the IRCUT bimodal filter, the repeated jump of its critical point can not be satisfactory. But if it is controlled by an intelligent chip, its fuzzy logic capability can effectively control the working state of the IPCUT dual filter.
The disadvantages of infrared cameras are obvious, but not all infrared cameras are the same. Users can choose the appropriate infrared camera according to the specific purpose, and try to avoid these disadvantages of infrared cameras.

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