Device for automatically identifying number of wind tunnel nozzle
An automatic identification and wind tunnel technology, which is applied in the direction of measuring device, aerodynamic test, machine/structural component test, etc., to achieve the effect of low maintenance cost, convenient installation and strong practicability
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[0017] Such as figure 1 As shown, the present invention provides a device for automatically identifying the serial number of a wind tunnel nozzle, which is characterized in that it includes a magnet seat 1, magnets 2-1, 2-2, 2-3, 2-4, Hall switch seat 3, and Hall switch seat 3. Seoul switch 4-1, 4-2, 4-3, 4-4;
[0018] Install the Hall switch seat 3 on the side wall of the docking flange of the front chamber of the wind tunnel, and install four Hall switches 4-1, 4-2, 4-3, 4-4 on the Hall switch seat 3, and connect them through lead wires To the wind tunnel measurement and control system; a magnet base 1 is installed on the side wall of the wind tunnel nozzle butt flange, and there are 4 magnet holes in the magnet base 1, and magnets 2-1, 2-2, 2-3, 2- are placed in the holes 4. When the nozzle is not docked with the front chamber, the four Hall switches 4-1, 4-2, 4-3, 4-4 are in an open circuit state; when the nozzle is docked with the front chamber, the magnets 2-1, 2-2, 2-...
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