Stonbel: COB Large Screen Construction Case of Shanwei Urban Public Security Bureau Intelligence Operation Command Center
The Intelligence Operation Command Center is the "central nervous system" of the public security system, a core position for coordinating global public security prevention and control, handling emergency police situations, and accurately combating illegal crimes. The clarity, stability, and compatibility of its visual display system directly determine the efficiency of command and dispatch and the ability of actual combat disposal. To further consolidate the foundation of smart public security construction and solve the pain points of the original display equipment such as blurred image quality, limited viewing angle, and insufficient stability, Shanwei Urban Public Security Bureau joined hands with Stonbel, a leading domestic provider of government and enterprise-level digital visual technology solutions, to build a high-end COB small-pitch LED large screen display system. With a pixel pitch of P0.9375 and an ultra-large screen size of 9.6×2.025 meters, it constructs a visual command new pattern of "one screen overview of the whole region, one click dispatch of resources", injecting digital momentum into the urban public security prevention and control and emergency disposal work.
I. Project Background and Core Requirements
(I) Project Background
As the core political, economic, and cultural area of the city, Shanwei Urban Area has a dense population and convenient transportation. The demand for handling various public security hazards and emergency police situations is becoming increasingly complex, putting forward higher requirements for the real-time, accuracy, and coordination of public security intelligence operation command. The original display equipment of the command center adopted traditional display technology, which had problems such as large pixel pitch, obvious picture graininess, color distortion, and narrow viewing angle. It could not clearly present core information such as global monitoring images, police force distribution, and police situation data, making it difficult to meet the actual combat needs of multi-departmental coordinated operations and emergency command and dispatch.
(II) Core Requirements
Based on the functional positioning of the Shanwei Urban Public Security Bureau Intelligence Operation Command Center, the large screen project put forward four core requirements aligned with public security combat needs:
1. High-definition visualization: A 9.6×2.025m ultra-large seamless screen with P0.9375 small-pitch COB technology, ensuring clear, high-fidelity images without graininess or gaps for intelligence analysis.
2. Multi-source signal compatibility: Access to monitoring, 110 call system, police dispatch and other data sources, supporting multi-picture display to help command personnel grasp the overall public security situation.
3. High stability: 24/7 operation capability, with high reliability, dust-proof and moisture-proof performance to avoid affecting police disposal due to equipment failure.
4. Easy operation and maintenance: User-friendly operation, quick mode switching, and a complete maintenance system to reduce costs and ensure long-term stable opeBased on the functional positioning of the Shanwei Urban Public Security Bureau Intelligence Operation Command Center, the large screen project put forward four core requirements aligned with public security combat needs:
1. High-definition visualization: A 9.6×2.025m ultra-large seamless screen with P0.9375 small-pitch COB technology, ensuring clear, high-fidelity images without graininess or gaps for intelligence analysis.
2. Multi-source signal compatibility: Access to monitoring, 110 call system, police dispatch and other data sources, supporting multi-picture display to help command personnel grasp the overall public security situation.
3. High stability: 24/7 operation capability, with high reliability, dust-proof and moisture-proof performance to avoid affecting police disposal due to equipment failure.
4. Easy operation and maintenance: User-friendly operation, quick mode switching, and a complete maintenance system to reduce costs and ensure long-term stable operation.ration.
II. Project Solution: Stonbel COB Small-Pitch LED Large Screen System
(I) Core Hardware Configuration: P0.9375 COB Large Screen, Creating a High-Definition Vision
The core screen of this project adopts Stonbel P0.9375 pixel pitch COB small-pitch LED display screen, with a total screen area of 9.6×2.025 meters (about 19.44 square meters). It adopts full flip-chip COB packaging technology, which fundamentally solves the image quality and stability pain points of traditional large screens, and adapts to the high-end display needs of the public security command center:
Pixel pitch and resolution: P0.9375 pixel pitch belongs to the micro-pitch level, with extremely high pixel density per unit area. The overall resolution of the screen reaches 10240×2176, and the picture is clear and delicate, with no graininess within 1 meter. It can clearly present details such as human faces, license plates, and text in monitoring images, meeting the actual combat needs of intelligence research and judgment and detailed verification, and completely solving the problem of blurred image quality of the original large screen;
COB packaging advantages: It adopts a packaging method in which chips are directly integrated on the PCB board, eliminating the bracket concept, reducing welding links, and reducing the risk of false welding. At the same time, the surface of the screen forms an integral optical protective layer, with IP65 protection level, dust-proof, moisture-proof, anti-static, and scratch-resistant. It can adapt to the 24/7 high-intensity operation environment of the command center, with the failure rate controlled at an extremely low level, meeting the 24/7 uninterrupted operation demand;
Image quality performance: It adopts high-brightness LED chips with a wide adjustable brightness range. Combined with HDR10 high dynamic range technology, the contrast is significantly improved, and the NTSC color gamut coverage rate exceeds 116%, realizing true color reproduction without color deviation or light spots. At the same time, it has an ultra-wide viewing angle of ≥170° horizontally and ≥160° vertically, ensuring that staff at different positions in the command hall can obtain a consistent and clear field of view, solving the problem of viewing angle blind areas of traditional large screens, and adapting to multi-departmental coordinated operation scenarios;
Structural design: It adopts a die-cast ultra-thin and ultra-light carbon fiber structure, with an attractive appearance and easy disassembly and installation. At the same time, it supports front maintenance design, greatly reducing the installation and maintenance space, adapting to the layout of the command center, and reducing the difficulty and cost of later maintenance.
III. Project Implementation and Acceptance
(I) Implementation Process
1. Preliminary survey and planning: The project team went deep into the site of the Intelligence Operation Command Center of Shanwei Urban Public Security Bureau, accurately measured the site size, optimized the screen installation position and wiring plan combined with the site layout, power supply conditions and signal access needs, ensuring the feasibility and rationality of the plan and avoiding rework in later construction;
2. Equipment entry and installation: In strict accordance with the construction specifications, the screen unit splicing, control system deployment, line connection and other work were completed, and the construction quality was controlled throughout the process to ensure that the flatness error of screen splicing was controlled within 0.1mm (better than the industry standard of 0.5mm), and the line layout was standardized and tidy to avoid signal interference;
3. Commissioning and optimization: After the equipment installation was completed, the special technical team conducted comprehensive commissioning on the large screen display effect, signal access, operation functions, etc., and repeatedly optimized the image quality, color, signal stability, etc., to ensure that it met the public security actual combat needs; at the same time, it conducted operation training for public security staff, explaining system functions, operation processes and daily maintenance precautions, ensuring that staff were proficient in the use of the system;
IV. Project Application Effects: Empowering Intelligent Command, Building a Solid Line of Safety
After the Stonbel P0.9375 COB large screen system was put into use in the Intelligence Operation Command Center of Shanwei Urban Public Security Bureau, it completely solved the pain points of the original display system, greatly improved the intelligence research and judgment, emergency disposal and coordinated operation capabilities of the command center, and became the "core visual carrier" of urban public security intelligent prevention and control, with remarkable application effects
V. Project Summary
The COB large screen construction project of the Intelligence Operation Command Center of Shanwei Urban Public Security Bureau is a typical practice of Stonbel deeply cultivating the public security industry and empowering intelligent prevention and control with digital technology. With the technical advantages of P0.9375 COB small-pitch LED screen, tailored solutions and full-cycle high-quality services, Stonbel perfectly met the actual combat needs of the public security command center, successfully built a "high-definition, stable, efficient and convenient" visual command display system, and was highly recognized by Shanwei Urban Public Security Bureau.
