Project Design

Based on the on-site conditions, design and clearly define the specific installation locations of the vehicle underbody scanning imaging equipment, equipment control box, vehicle detector, vehicle snapshot camera, vehicle underbody security inspection system host, display, and each pipeline equipment, as well as the direction of the connecting cables. First, determine the burial location of the vehicle underbody scanning imaging equipment based on the on-site conditions. Generally, the following factors are considered:

1Channel width

Calculate the center line of the channel based on the width of the channel, and bury the vehicle bottom scanning imaging equipment at the position where the center line of the vehicle bottom safety inspection scanning imaging equipment coincides with the center line of the channel.

2The length of vehicles entering the passage

To ensure that the chassis information of all entering vehicles is scanned, it is necessary to count the length of the longest vehicle entering the passage, so that the distance between the installation position of the vehicle underbody scanning imaging equipment and the release barrier can accommodate the parking of the longest vehicle.

3The situation of underground pipeline and cable laying in the passage

The installation position of the vehicle underbody scanning imaging equipment must avoid underground pipelines and cables to prevent interference. After the installation position of the vehicle underbody scanning imaging equipment is determined, the specific installation positions of the ground induction coil, vehicle snapshot camera and other equipment can be clearly defined based on their relative positions.

3Civil construction guidance:

After the installation location of the vehicle underbody scanning imaging equipment is determined, a pit body needs to be dug underground to install the vehicle underbody scanning imaging equipment. The surrounding area and the bottom of the pit are cast with concrete, and a ground frame is placed in the concrete on the surface, making the ground frame higher than the ground0.5It should be in centimeters and kept level, and integrated with the concrete pouring part.

After the pre-burial of the vehicle underbody scanning imaging equipment, the pre-burial and laying of vehicle detectors, cable ducts, etc. can be carried out. The entire cable duct should avoid elbows as much as possible to facilitate the laying of cables.

The ground induction coil is installed in front of the scanning imaging equipment under the vehicle. First, with the center of the buried position of the vehicle underbody safety inspection scanning imaging equipment as the center, in front of the vehicle underbody scanning imaging equipment1The ground spreads out at the meter level2Meter, width0.5The depth of the wire burial trough in meters3Centimeters, width0.5Centimeters. Four turns of ground induction wires are pre-buried in the trough, and their surfaces are directly covered with cement. Then they are led to the control box under the vehicle. The connection between the coils and the control box under the vehicle is in a twisted-pair formФ16thePVCPipe laying.

The position of the snapshot camera is in front of the vehicle's entry, and the installation height is1.2-1.8The Angle between the camera direction and the center of the channel cannot be greater than the meter30The degree should be as small as possible, depending on the on-site situation.

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