Radar alarm safety fence
A security fence and radar technology, applied to alarms, anti-theft alarms, instruments, etc., can solve the problems of inconsistent ground height, difficulty in aligning infrared emitting devices and infrared receiving devices, and taking a long time to achieve fearless The effect of ground height, improved radar scanning accuracy, and clear connection relationship
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specific Embodiment 1
[0032] Specific embodiment 1: as figure 1 , figure 2 with image 3 shown.
[0033] A radar alarm safety fence includes an alarm device 1, a support rod 2, a support rod interface 3, a base 4, a hanging ring 5, and a warning belt 6.
[0034] The bottom of the alarm device 1 is provided with a support rod interface I31, which is movably connected with the top of the support rod 2 through intermeshing threads; the base 4 is provided with a support rod interface II32, which is movably connected with the bottom end of the support rod 2 through intermeshing threads. The support rod 2 is a telescopic rod, and the upper end of the outer tube of the support rod 2 is bolted to fix the hanging ring 5. The hanging ring 5 is used to connect the warning belt 6 to facilitate the connection of the warning belt 6 and the supporting rod 2. The warning belt 6 passes through the hanging ring 5. Connect the installed alarm device 1, the support rod 2 and the base 4 to form a closed fence.
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specific Embodiment 2
[0049] Such as Figure 4 As shown, the structure of this embodiment is basically the same as that of the specific embodiment 1, and the difference is that the battery 11 of the alarm device 1 is a solar rechargeable battery, and the battery 11 is electrically connected to the solar panel 16 and sealed with the microcontroller 17. Together, the solar panel 16 charges the battery 11, and the battery 11 supplies power to other electrical appliances. It is energy-saving and environmentally friendly. It does not require additional power supply or recharging after use. It is easy to install and use, and is especially suitable for long-term maintenance or temporary construction on the road.
[0050] Described alarm device 1 comprises battery 11, switch 12, radar launcher 13, parallel tube 14, alarm horn 15, solar panel 16, microcontroller 17, and described battery 11 is a solar rechargeable battery, battery 11 and solar panel 16 is electrically connected and sealed together with the ...
specific Embodiment 3
[0052] Such as Figure 5 As shown, the structure of the present embodiment is basically the same as that of the specific embodiment 1, and the difference is that the radar transmitter 13 of the alarm device 1 adopts a microwave special-purpose microprocessor 18 to control its detection range and distance, and the microprocessor 18 and the battery 11. The switch 12, the radar emitter 13 and the alarm horn 15 are electrically connected. The microprocessor 18 receives the signal from the switch 12 and starts to work, drives the radar emitter 13 to detect obstacles, and controls the alarm horn 15 to work after detecting the obstacle. The use of the microprocessor 18 not only increases the detection sensitivity, but also works very reliably, with an extremely low false alarm rate, and can work stably in the temperature range of -25 to +45 degrees. For weaker interference signals, such as small animals, it is far away The interference caused by shaking trees, high-frequency communic...
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