With the development of optoelectronic information, microelectronics, network communication, digital video, multimedia technology and sensing technology, security monitoring technology has changed from traditional simulation to highly integrated digital, intelligent and network.
Due to the increasing market demands, infrared thermal imaging technology is now popular and widely used in the security system.
As we all know, traditional security monitoring camera is not effective in bad conditions, such as total darkness, heavy fog, dust, rain and snow. The visible light surveillance camera needs external light to work properly at night, which is easy to expose targets.
In the same harsh conditions, infrared thermal imaging can achieve the following different effects:
- Larger field of view and night vision distance of tens of kilometers
- Detect hidden fire in advance, and find fire danger earlier according to abnormal heat.
- Receive passive infrared radiation from the target without additional light
- Work normally in harsh environment such as smoke, haze, rain & snow, glare, strong light etc.
- Accurately distinguish human or animal through thermal distribution, detect camouflage in woods and other complex environment, reduce false alarm rate.
So, how is infrared thermal imaging applied to security monitoring products?
First of all, we need to know the classification of them.
1) By Lens
| Lens Type | FOV | Application |
| Wide Angel Lens | ＞90° | For large view places such as hall |
| Standard Lens | About 30° | For places such as walkway, neighborhood perimeter |
| Telephoto Lens | ＜20° | Focal length from tens of millimeters to hundreds of millimeters, for remote surveillance |
| Zoom Lens | Wide range of viewing angles | Variable focal length, ranging from wide angle to telephoto |
| Pinhole Lens | / | For cover surveillance |
2) By Outline
| Type | Application |
| Box Camera |
- The price is cheap - Without zoom and rotation function - Only complete fixed distance monitoring - Poor concealment |
| Dome Camera |
- Compact appearance - With a certain concealment - It can be hoisted on the ceiling to make up for the poor concealment of the box camera |
| High Speed Dome Camera |
- An all-in-one equipment that integrates web camera and ptz camera - Advantages: fast tracking, 360°horizontal rotation, no blind spot for surveillance and privacy area shading |
| PTZ Camera |
- Rotate horizontally and vertically - Automatically zoom to adjust the field of view and distance - Suitable for panoramic observation - Special environmental protection function, such as underwater type, high temperature type, low temperature type, anti-corrosion type and explosion proof type |
| Compact Digital Camera | - Small size, fixed range, close monitoring |
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Uncooled Infrared Detectors
Uncooled Thermal Modules
Cooled Infrared Detectors
Cooled Thermal Modules