Fixed Under Vehicle Scanning System is a security inspection system installed at fixed locations, used to automatically and rapidly examine vehicle undercarriages. Its core function is to detect and prevent potential security threats that may be concealed beneath vehicles, which are difficult to identify quickly and accurately through routine visual inspections.

Product Advantages

1. High-Speed Automated Scanning: The fixed undercarriage scanning system operates without manual intervention. Vehicles can pass through at normal speed while the system automatically captures undercarriage images, effectively eliminating human inspection errors and safety risks.

2. Ultra-High Resolution Imaging (UHR Imaging) utilizes high-resolution industrial-grade cameras with high-intensity illumination to capture intricate details including undercarriage components, welding seams, foreign objects, and modification marks, delivering precise imaging.

3. The Real-Time Threat Detection & Comparison: system compares with historical images in the database to quickly detect new, missing, or tampered components, significantly improving security inspection efficiency.

4. 24/7 All-Weather Operation: Featuring IP68 dual protection and corrosion-resistant materials, it performs reliably in harsh environments including rain, snow, high temperatures, and dust.

5. The powerful analysis software: supports zooming, stitching, labeling, and analysis functions, automatically stitching the vehicle underside images into a complete high-definition view for quick review by security personnel.

Advanced technical parameters

Project	Parameter
The imaging method	Dynamic imaging is achieved by using linear array CMOS scanning technology
Scanning mode	The linear array camera is scanned and the ground sensing coil is triggered
Longitudinal resolution of the underside image	CCD of 4096 pixels or more
Image resolution ratio	More than 90 megapixels
Through the speed of the car	1-120km/h, recommended to be less than 50km/h;
Scanner data cable	Standard 15 m; (customizable length)
Undercarriage image scanner	Open wide field of view image acquisition technology is adopted
Field of view Angle	≥ 178 degrees
Supplementary lighting	400W
Lighting components	Sealed LED light source; life: 60000h
Scanning direction	bilateral scanning
Bearing	≥50T
Classification of waterproof	Double waterproof, IP68
Use ambient temperature	-20 degrees to + 60 degrees
Mains power supply	AC110-240V/50-60Hz
Vehicle bottom image display mode	When the vehicle passes at 1-120km/h, the image under the vehicle is automatically scanned by the line array camera and displayed horizontally in a large area through the special window of the display
Image information superposition	The system can overlay date and time information on the pictures of the underside of the vehicle, license plate and exterior of the vehicle for easy later identification and retrieval. This function can be turned on or off.
Snap function	When the vehicle passes at 1-120km/h, the license plate and vehicle appearance can be automatically captured and displayed in a special window of the software.
System self-test function	After the device is turned on, the status of the equipment inside the component is detected, and the self-test of whether the equipment is online and normal is carried out and displayed in the form of signal light.
Centralized control function	The control panel is designed for centralized control
Image retrieval function test	It can retrieve the stored images of the car bottom and license plate according to the date, time, license plate number and other information
Automatic image storage and deletion function	Save no less than 1 million images and automatically delete expired images
Image quality adjustment function	It includes brightness, contrast, saturation, chromaticity adjustment, black and white processing, edge enhancement and super enhancement processing, and zoom processing, and the magnification is more than 16 levels, and can be enlarged for local display.
Vehicle chassis information history comparison function	Support the same chassis image of the vehicle with the same license plate to be compared with the current image on the same screen, so as to assist the staff in checking the work and make it easier to find the differences between the vehicles.
Prohibited goods AI intelligent identification function (optional)	The software can automatically detect and identify suspicious objects (such as prison clothes, prison shoes, controlled knives, etc.) on the chassis of the vehicle, and automatically frame and alarm the location of the suspicious objects through the software to assist the staff in inspection.
Blacklist and whitelist functions	The system can set the white and black list. The white list is automatically released, and the black list vehicles are prompted by the system.
Environment parameter display function	It has temperature and humidity sensors, which can display environmental parameters such as temperature, humidity and atmospheric pressure in real time.
Structure design of scanning device	Single multiple sealing design, double layer waterproof design
Vehicle license plate recognition system	1. Standard 2 road license plate recognition module, which can distinguish the direction of entry and exit; 2. Single character recognition accuracy: more than 99%; 3. Average recognition time: <20ms; 4. Accuracy of whole card identification: more than 95% 5. The horizontal tilt Angle of the license plate image is allowed: -10 ~ +10 degrees; 6. Character recognition accuracy (except Chinese characters): greater than or equal to 93% 7. Video signal-to-noise ratio> 48dB

Application Scenarios

Fixed Under Vehicle Scanning Systems are primarily deployed at the entrances and exits of locations with extremely high-security requirements, serving as a seamless and efficient security barrier. Their main application scenarios include:

1. Government and Military Sites
Legislative buildings, government office buildings, official residences of heads of state, etc.: To prevent vehicle-borne bomb attacks and ensure the safety of national leaders and core institutions.
Military bases, barracks, arsenals: To prevent unauthorized materials, explosives, or espionage equipment from being brought in via vehicles, protecting military secrets and facility security.

2. Critical Infrastructure
Nuclear power plants, hydroelectric plants, large power plants: To prevent sabotage of critical energy infrastructure, ensuring normal social operation.
Communication hubs, data centers: To protect vital information channels and prevent large-scale communication disruptions caused by terrorist attacks.

3. Transportation Hubs and Border Crossings

Airports: Installed in lanes leading to critical areas such as airport controlled areas, aprons, cargo zones, and fuel depots, they are a crucial part of aviation ground security.
Ports, docks: Used to inspect container trucks and official vehicles entering and leaving port areas, combating smuggling and illegal trafficking.
Border checkpoints: Used by customs and border control personnel to efficiently inspect crossing vehicles and intercept contraband such as drugs and weapons.

4. Judicial and Detention Institutions
Prisons, detention centers: To prevent contraband (e.g., drugs, mobile phones, weapons) from being smuggled into the facility via visitor vehicles or logistics vehicles, maintaining order and security.

FAQ

Q: How does the Fixed Under Vehicle Scanning System work?

A: The system consists of high-resolution line-scan cameras or sensors embedded in the roadway. As a vehicle passes over the scanning area, these sensors capture a complete, seamless image of the vehicle's underside. This image is instantly displayed on a security operator's screen for analysis.

Q: Is the Fixed Under Vehicle Scanning System easy to integrate with our existing security infrastructure?

A: Yes. Most modern Fixed Under Vehicle Scanning Systems are designed with integration in mind. They can typically interface with License Plate Recognition (LPR) systems, access control barriers, and central command and control software, creating a seamless and layered security solution.

Q: How is the scanned data managed and stored? Are there privacy concerns?

A: The system only captures images of the vehicle's undercarriage, which is considered non-personal data. Data is stored securely on local servers or within a private cloud, with access controlled by the client. We comply with all local data protection regulations and can configure data retention policies to meet your specific requirements.

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