4 The camera lens shall avoid direct strong light to ensure that the target surface of the camera tube is not damaged.
The distance between the box and the wall edge should be more than 15cm.
face recognition construction scheme I, construction process Construction specification 1.1 construction process cable laying → equipment installation → equipment commissioning → put into trial operation → sorting out completion data → acceptance and delivery 1.2 construction specification 12.1 system installation: according to the requirements of engineering design drawings or technical schemes, specify the installation positions of various equipment and cameras in the face recognition system, and the equipment models and installation dimensions at each position, Determine the installation requirements according to the product manual provided by the supplier.
Four expansion screws with a diameter of more than 8mm shall be used for installation, and the box shall not be shaken by manpower.
Configure the power supply lines and network links of various equipment.
If the owner asks you to provide a construction scheme of face recognition system, do you have a ready-made scheme? Today I share a set of such program materials, which you can refer to.
The ground wire of all lightning arresters and the ground wire of regulated power supply are connected to the grounding bar.
The installation height should be – 5m from the ground indoors and – 10m2 from the ground outdoors Outdoor all-weather protective cover is adopted in outdoor environment to ensure the use in spring, summer, autumn and winter, cloudy, sunny, rainy and windy weather.
Camera installation specification 1 The camera should be installed near the monitoring target where it is not easy to be damaged by the outside world.
2 220V The power line shall not be in the same pipe with weak current lines such as video line and control line 3 The crystal head terminals at both ends of the network signal line adopt 568B standard (unless there are special requirements for individual equipment).
After the optical cable is installed and fixed, the radius of curvature shall not be less than 10 times of the outer diameter of the optical cable Considering the needs of secondary operation of construction, obstacle repair in maintenance process, change of some routes and influence of other external factors, 15m is reserved on both sides of optical cable joint and 15m is reserved for entry to ensure the smooth progress of construction and maintenance The optical fiber connection adopts the fusion method.
There shall be no object blocking the monitoring target in the lens field of view.
It is forbidden to install optical and cable joints in the Crossing Span crossing roads, railways or rivers.
The cable route shall be at a position that can not be directly touched by people as far as possible.
According to the technical parameters provided by the face recognition system equipment supplier and the requirements of engineering design drawings.
The camera shall be installed firmly and firmly 6 When erecting cameras near high-voltage live equipment, the safety distance shall be determined according to the requirements of live equipment.
The cables shall be laid along the wall in the lightning protection area and shall not hinder the operation of vehicles.
Network box installation specification 1 When the box is installed on the wall, it must be horizontal and vertical (except for the inclination of the wall itself, but it should be avoided as far as possible), and the inclination in four directions shall not exceed 5 degrees.
5 The camera lens shall aim at the monitoring target from the direction of light source, and backlight installation shall be avoided; When backlight installation is required, the contrast of the monitoring area shall be reduced.
If the box is outdoors and fixed with holes in the box, waterproof treatment shall be done at the interface of four expansion screws 2 When the box is installed on the ground, the box shall be provided with a support (e.g.
15cm high), which must be horizontal and the inclination shall not exceed 5 degrees 3 When the box is installed on the vertical pole (excluding street lamp pole and power pole), the height shall not exceed M.
The optical cable attenuation must meet the design requirements, mainly measure the working attenuation of 1310nm and 1550nm windows, and pay attention to whether the outer sheath of the optical cable is cracked or broken 12 After laying, the optical cable shall be straight, without twist, excessive bending and mechanical damage.
3 The camera in the elevator car shall be installed at the top of the elevator car and the opposite corner of the elevator operator, and shall be able to monitor the panoramic view in the elevator car.
According to the technical parameters provided by the face recognition system equipment supplier, cooperate with the customer to reserve the position required for the installation of each equipment.
The cable and power cord of the camera shall be fixed, and the plug shall not bear the dead weight of the cable 8 The wiring connection mode between PTZ and PTZ decoder and camera shall be in strict accordance with the product manual of PTZ decoder 9 After the camera is switched on, the subjective evaluation of image quality damage requires that there is no damage and interference on the image.
It is strictly prohibited to lay cables between the roofs of two buildings.
Face recognition cameras are often used in projects.
During the laying and installation of optical cables, the requirements of traction tension and radius of curvature shall be strictly controlled.
Standard 568B: orange white-1, orange-2, green white-3, blue-4, blue white-5, green-6, brown white-7, brown-84 The network signal line passing through the outdoor must be outdoor type 5 Obvious permanent labels shall be adopted at both ends of all network signal lines 6 The outdoor interface of PVC pipe, steel pipe and bridge shall be waterproof 7 All cables entering the equipment or network box shall be treated as backwater bay to ensure that rainwater cannot enter the equipment or box along the cable 8 When the cable is installed along the wall, PVC pipes with a diameter of less than 20mm can be fixed with line cards, and the distance between line cards should be controlled at about 60cm; Expansion screws shall be used for fixing PVC pipes with a diameter of more than 40mm, all steel pipes and bridges, and the spacing of expansion screws should be controlled at about 100cm 9 The network signal line must be UTP cable meeting category 5 standards or above.
The design requires that the average bidirectional loss of each fiber core joint in the regeneration section shall not be greater than.
The optical fiber connection shall be strictly connected according to the optical fiber chromatography, and the connection operation shall be carried out after careful verification.
10 After the camera is switched on, the automatic aperture adjustment function, focusing function, zoom function and other control functions shall be normal, and the cable part specification 1 All cables shall not be exposed during routing.
PVC pipe, steel pipe or bridge routing shall be selected according to the site environment.
The installation position should not affect the operation of on-site equipment and normal activities of personnel.
7 The cable leading out from the camera should have a margin of 1m, which shall not affect the rotation of the camera.
Cable test standard: international ISO / iec11801; ANSI / TIA / eia-568a10 All cables, trunking, grounding wires (grounding flat iron) and sleeves along the vertical pole shall be bound with galvanized iron wire, and the binding spacing shall be 60-70.11 Before laying the optical cable, the single disc test and disc distribution shall be carried out, and the optical cable shall be laid at the A and B ends according to the design requirements.
The fused optical fiber reel shall be stored in the optical cable joint box, and the metal reinforcing core shall be firmly connected with the base of the joint box The optical cable shall be marked with a sign board, one for each hole, and the machine room, handover box and user terminal shall be listed 16 The incoming line entering the box through the monitoring rod includes 220V AC power line (one group), ground wire, optical fiber, AC power line of camera (one group), 485 control line (one group) and video line.
at the same time, pay attention to safety and anti-theft..
All these cables are introduced into the box 17 from the through hole at the bottom of the box Ground wire connection: connect the ground wire from the grounding bar directly to the reserved grounding position of the monitoring rod (the box ground wire is directly connected to the box), and fix it with screws to connect the box ground with the external ground.
This set of construction scheme includes camera installation, cable laying, equipment box installation, pole installation, system commissioning and operation, construction schedule, cooperation of construction interface, etc.
During laying and installation, the bending radius of the optical cable shall be greater than 20 times and 15 times of the outer diameter of the optical cable.
