What's wrong with the infrared surveillance camera flashing without a picture (light) at night?

This situation may be that the components related to the infrared lamp are broken, or there may be a problem with the photosensitive resistor.

Infrared surveillance cameras can be divided into ordinary infrared cameras and dot-matrix infrared cameras. Dot-matrix infrared camera is better than ordinary infrared camera, with long irradiation distance, fine and clear image quality and longer service life.

The working principle of the infrared camera is that the infrared light emitted by the infrared lamp irradiates the object, and the infrared light is diffused and received by the monitoring camera to form a video image.

Extended data function:

1, sensitive to temperature, can form an image according to the temperature, can quantitatively identify the temperature data, and can customize the temperature alarm limit by users. Not only infrared forest temperature image display, but also temperature data display and abnormal temperature alarm signal output.

2. When an alarm occurs, the alarm is triggered to generate an alarm trigger signal, which is transmitted to the background equipment through the RS232/485 port.

3. It can completely penetrate the dense smoke and partially attenuate the dense fog.

4. No visible light is needed, and the image definition at night even exceeds that during the day.

5, fast response, 50HZ image output per second.

6. The monitoring area is large. When the infrared thermal image monitoring head works, it passively detects the infrared thermal radiation of all targets in the picture. It has 76,800 detector units, and simultaneously measures the temperature data of 76,800 pixels in the whole map, forming a thermal image with temperature distribution. Infrared thermal imaging monitoring head belongs to area array detection equipment, and the monitoring area is extremely large.

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