Surveillance camera installation precautions

1. Surveillance Camera Under the premise of ensuring that its monitoring range is not affected, its installation height is mainly considered indoors or outdoors. The installation height of indoor surveillance cameras is 2.5 to 4m, while outdoor is 3.5 to 10m. It can be (specific installation or according to site conditions), the elevator car is installed on the top of the elevator car and is diagonally opposite to the elevator manipulator, and the optical axis of the surveillance camera is at a 45 degree angle to the walls and the ceiling of the elevator. should.
Lanzhou Hikvision surveillance camera
2. After all the site wiring is completed, the entire monitoring system is powered on. After the commissioning is appropriate, the installation is fixed.
3. If there is strong electricity on the site, to avoid its interference with the surveillance camera, the camera should be insulated from the ground.
4. For non-"all-in-one" surveillance cameras, try to avoid opening the lens during the entire installation process.
5. If necessary, take measures for lightning protection during outdoor installation monitoring.
6. When installing the camera, in order to avoid the jitter of the monitoring screen, it is generally installed on a more solid wall.
7. Debug infrared light to night.
8. In order not to affect the normal rotation of the surveillance camera, the cable drawn from the camera should be left with a margin of about 1m.
9. Considering that the operating power of the infrared integrated camera is mainly controlled by the light-sensitive resistor installed on the infrared light board, thus avoid direct light sources.
10. It is necessary to guarantee the working indicators of the infrared lamp, such as the power supply power of the infrared lamp must be higher than the working power of the infrared lamp itself. The general power supply must reach 2A to ensure the normal operation of the infrared light at night.
11. To avoid soiling the lens during installation, avoid touching the lens with your hands.
12. To avoid trouble during maintenance, select the BNC head when selecting the BNC head.

Welded Bed Plate For Flanges Of Ship Pipe

The flange welded single-sided seat plate is mainly installed on the top, side wall and bottom of the cabin or cabinet as the entrance and exit of the cabin or cabinet. Valves, accessories or pipes can be installed directly on the single-sided seat plate.

Flange welded single-sided seat plate is suitable for seawater, fresh water, oil, air and steam pipelines below 300 °C. The commonly used nominal diameter is 15~150 mm, and the nominal pressure is lower than 1.6 MPa. The shape of the single-sided seat plate is similar to the corresponding lap-welded Steel Flange.

Flange welded double-sided seat plates are generally used when pipelines pass through decks and tanks, and the two sides of the seat plate are respectively connected to valves, accessories or pipes.
Compared with the single-sided seat plate, the double-sided seat plate has an extra shoulder and double-sided mounting stud bolts. The outer diameter of the shoulder is 10~20 mm larger than that of the corresponding flange, and the thickness of the shoulder is 6~12 mm.
Its scope of application and other structural dimensions are basically the same as those of the single-sided seat plate.
The manufacturing and installation methods of the flange-welded double-sided seat plate are basically the same as the single-sided seat plate, but when the screw holes are drawn, the positions of the upper and lower screw holes of the seat plate must be staggered from each other and must not overlap; deck or bulkhead The diameter of the hole on the top is 2~3 mm larger than the diameter of the seat plate.

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