With the advancement of people's leisure concept and the liberalization of relevant national policies in recent years, hunting in the legal range has gradually become a new middle class leisure mode. Played a lot of people, naturally in the equipment is also getting more and more attention, the typical case is the application of infrared cameras in the search for animals. Then we should pay attention to what problems should be paid when using the infrared camera for hunting. What good brands can recommend?
Simply put, what we call an infrared camera is a thermal imaging instrument. By combining the principle of optical imaging with an infrared detector, we can convert the infrared energy we can't see with the naked eye into what we can see with the naked eye. The thermal image, then we determine the temperature of the object being observed based on the different colors that the thermal image gives us.
It can be said that the emergence of "infrared camera" has brought great convenience to scientists' research and invention, and nowadays there is a portable infrared camera that carries a very good aspect in the market, and this portable The thermal imaging camera also played a very important role in the inspection of the building, because its existence greatly reduced the waste of our human and material costs, and also reduced our work.
Of course, the role of "infrared camera" is not only as simple as inspecting buildings, but also in the study of natural science and military aspects of circuit design, for example, when hunting in the wild, We can use the thermal imaging camera to know where animals are at the fastest speed and search for them at the fastest speed. Therefore, the role of thermal imaging cameras in our lives is still very large.
When any object is above absolute zero (-273.15 °C), the surface of the object will have infrared energy or infrared light. The higher the temperature, the stronger the infrared energy emitted! Thermal imagers rely on the detection of heat radiation around the object to form a picture. The higher the temperature, the sharper the image and the farther the distance can be detected.
For thermal imaging; due to the particularity of its imaging principle, it determines the thermal imaging in certain special circumstances, such as in the fire scene, smoke rolling, people's field of vision is obstructed, can not see the trapped people, The role of the instrument is reflected in it, it can completely ignore the blockage of smoke, and can help search and rescue personnel quickly find trapped people.
Application of infrared night vision thermal imagerThermal imaging was first discovered and applied during the Second World War, when countries began to notice the practical value of thermal imaging cameras in military operations. In 1952, with the development and application of indium antimonide, Texas Instruments immediately Developed a thermal imager with value in use. Early thermal imagers were mainly used in the military. With the development of technology, civilian thermal imagers began to appear in our lives. Due to the difference in sensitivity of thermal imagers to temperature, different thermal imagers were used. In different areas: hunting, forest fire prevention, line inspection, machine maintenance, fire scene, foggy weather, safe driving at night, etc.
1, resolution
Resolution is an important indicator of night vision thermal imagers, and night vision devices are one of the keys to the cost of night vision thermal imagers. The resolution of a typical night vision thermal imager is 160x120, 336x256 and 640x480.
2, the resolution of the built-in screen
We observe the target through a night vision thermal imager, essentially observing the LCD screen inside it. The top-of-the-line night vision thermal imager has a very high resolution and resolution of the built-in screen. For example, RNO's night vision thermal imager has a built-in screen with a top-of-the-line OLED 800*600 screen. This gives it a clearer view and a better view.
3, double cylinder or single cylinder
The double cylinder is significantly better than the single cylinder in terms of comfort and observation. Of course, the price of the dual-tube night vision thermal imager is much higher than that of the single-tube night vision thermal imager. The twin-tube night vision thermal imager will be much more productive than the single cylinder, and the price will be slightly higher.
4, magnification
Due to the technical bottleneck, the physical magnification of the night vision thermal imager, most of the small factory's magnification is only within 3 times. At present, the maximum production rate is 5 times.
5, external recording device
Night vision thermal imager, well-known brands will provide external recording device options, which can be directly recorded to the SD card through this device. And remote shooting can also be taken by remote control.
1. Da Li Technology
As a high-tech product, the main well-known brands of infrared night vision thermal imagers are mostly in the United States. Although China has made great progress in the field of thermal imagers in recent years, it is still rare in the fields of reconnaissance, hunting and patrolling. At present, the best brand in China is Zhejiang Dali Technology.
Zhejiang Dali Technology Co., Ltd. is a joint-stock high-tech enterprise established in 1984 by the Zhejiang Testing Technology Research Institute. The company was listed on the Shenzhen Stock Exchange in 2008 and is the first domestic listed company in the infrared and security system. , has a good reputation in the industry.
2, the United States RNO infrared night vision thermal imager
At present, there are not many manufacturers that can produce infrared night vision thermal imagers. Many domestic manufacturers try to produce them, but the products are only in the experimental stage. The well-known brand currently seen in China is the US RNO. Moreover, more top-grade infrared night vision thermal imagers that we can see in the market are RNO brands, and most of their products are products of the US military, so the performance is excellent. RNO's main product is the dual-tube infrared night vision thermal imager, the effect is really very good, the price is not cheap.
3, the United States FLIR infrared night vision thermal imager
FLIR is mainly used to produce thermal image sensors, and it will be slightly weaker in optical products. Therefore, FLIR mainly produces low-end single-tube infrared night vision thermal imager. Because it does not have optical production technology, it generally produces low magnification. , low resolution civilian products. For example, the resolution of the PS24 thermal imager is 240x180, and the resolution of the PS32 thermal imager is 320x240. Both rates are not high, the highest is only 2 times.
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