Analysis of the installation of wind direction and speed sensor
The wind direction sensor and wind speed sensor are fixed on the cross arm and then installed on the wind rod. There are many forms of wind rods, and the common one is a three-section metal round tube that can be placed and can be placed into a tiltable wind test rod. The seven-core and twelve-core plugs installed above the cylinders at both ends of the cross arm are used to connect the wind speed sensor and the wind direction sensor, respectively. A twelve-core cable plug is installed under the cylinder at one end of the cross arm for connecting to the twelve-core wind direction wind speed cable of the collector. The installation of the wind direction and speed sensor is carried out in the following order;
1. Assemble the sensor
Read the sensor instruction manual written by the sensor manufacturer, and assemble the unpacked sensor according to the instructions. Then, install the wind direction and wind speed sensor on the corresponding cylinder of the cross arm indoors.
2. Assemble the wind rod
a. Install the hinged fixed seat on the base of the wind rod, after adjusting the level, fasten with two M20 nuts;
b. Arrange the three round metal rods in the order of thickness on the ground, and pass the wind sensor cable through the hinged fixed seat
3. Install wind sensor
a. Install the base to fix the wind sensor on the top of the wind rod;
b. Install the wind sensor on the base of the top of the wind rod. If the horizontal arm is level with the ground, the horizontal arm is north-south. If the prevailing wind is to be considered, the angle between the horizontal arm and the ground must be calculated so that the wind sensor can point north.
4. Install lightning protection device
Install the lightning rod on the top of the wind rod, and fix the down conductor to the lightning rod with copper screws. If the grounding device is under the wind rod, the down conductor goes down along the surface of the wind rod; if the ground device is under the cable base, the down conductor goes down the cable. Every 1m, tie with a wire.
5. Vertical wind rod
When the wind pole is vertical, multiple people should work together, and no one should stand in the direction where the wind pole can fall down.
6. Direction verification
Use a north arrow with a mirror to check whether the north arrow on the wind direction sensor is north. If there is a slight error, loosen the foot screw and turn the whole wind lever slightly to make the north arrow on the wind direction sensor north. If the error is large, put it on the wind lever and turn the cross arm. After the wind direction is correct, you should check whether the wind rod is vertical, you can tighten or loosen the cable to adjust.
7. Completion inspection
There should be no particularly tight or loose cables, and all screws have been tightened.
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