Dome camera installation considerations

The dome camera is widely used in banks, hotels, office buildings, shopping malls, subways, elevator cars, etc. because of its beautiful appearance and better concealment performance. Needless to say, ordinary indoor environments can also be installed, depending on individual needs and camera functions.

In indoor areas, hemisphere cameras can be installed to meet the monitoring needs. Functionally speaking, if you do not need 24 hours of monitoring, use an ordinary dome camera; if you need 24-hour nighttime surveillance mode, you can use infrared dome camera (if the monitoring environment is bright 24 hours, then the ordinary hemisphere can be Satisfaction; if the surveillance environment has a certain degree of auxiliary light at night, then low-light cameras can also be used). As far as the scope of monitoring is wide and narrow, you only need to configure the camera lens size according to your needs.

The dome camera has the subjective advantages of convenient installation, beautiful appearance and good concealment, in addition to the indicators on the function of ordinary gun cameras. Although the installation and maintenance of the dome camera is simple, in order to display the perfect performance of the camera, achieve the ideal camera effect, and meet the needs of users, it also needs to grasp some key and important requirements and standards in the process of construction wiring, installation and debugging. The relevant notes are briefly described below.

1. When designing the construction and cabling, it is necessary to lay cables of appropriate size according to the distance from the front-end camera to the monitoring center; if the line is too long and the cable used is too thin, the signal attenuation of the line is too large to meet the requirements of image transmission. As a result, the quality of the image viewed by the monitoring center is very poor. If the camera uses a DC12V centralized power supply, the transmission loss of the voltage should also be taken into consideration so as to prevent the front camera from supplying power to the camera due to insufficient power supply. In addition, when laying power cables and video cables, they must be routed separately and at a distance of more than 1 meter to prevent transmission of power interference signals.

2. The dome cameras are installed by indoor ceilings (special circumstances require special treatment when installed outdoors). During the installation process, attention should be paid to the materials and load-bearing conditions of the ceiling to avoid strong electric fields and strong magnetic fields. Environmental installation. Aluminum alloy and gypsum board ceilings should be installed at the top of the ceiling with thin wood board or cardboard to fix the bottom screw of the camera, so that the camera can be fixed firmly and will not easily fall off. Otherwise, the camera will be replaced during the future maintenance. It will damage the ceiling of the plaster material, and it will not be firmly fixed, which will cause damage and cause annoyance to the customer. If it is installed above the corridor outside the building, you should also pay attention to whether there is water leakage in the ceiling and whether the rain will shower during the rainy season. To camera and other factors.

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