Overview
The ICR network high-definition camera module is a compact imaging unit designed for integration into IP cameras. Its core innovation lies in the Infrared Cut Filter Removable (ICR) mechanism, which automatically switches between daytime color imaging and nighttime monochrome (IR-sensitive) modes. This dual functionality makes it ideal for 24/7 surveillance applications. Most modules support resolutions from 2MP to 8MP and comply with ONVIF standards for interoperability. They typically include a lens mount (M12 or CS), image sensor (e.g., Sony STARVIS), and network interfaces like RJ45 for Power over Ethernet (PoE).
Structure and Working Principle
Structurally, the module consists of a lens assembly, ICR filter, CMOS sensor, DSP chip, and network interface. The ICR filter physically moves away in low-light conditions, allowing infrared light to reach the sensor. Meanwhile, the DSP chip handles video compression (H.265/H.264) and analytics like motion detection. During operation, the module captures light through the lens, converts it into digital signals via the sensor, and transmits compressed video streams via Ethernet. Advanced models may include heaters for cold environments or built-in microphones for audio recording.
Key Features
1. **Day/Night Functionality**: The ICR mechanism ensures clear imaging in both daylight (with IR cut) and darkness (IR-sensitive mode). 2. **Low-Light Performance**: High-sensitivity sensors (e.g., 0.001 lux) enable visibility in near-total darkness when paired with IR illuminators. 3. **Network Integration**: Supports RTSP, ONVIF, and other protocols for seamless integration with NVRs and VMS platforms. Additional features may include wide dynamic range (WDR) for high-contrast scenes, digital noise reduction (DNR), and tamper detection. Some industrial-grade modules offer IP67-rated housings for outdoor use.
Application Areas
**Security Surveillance**: Deployed in airports, banks, and smart cities for real-time monitoring. The ICR function ensures uninterrupted coverage. **Traffic Management**: Used in electronic police systems to capture license plates or monitor intersections. High-resolution modules (5MP+) enable detailed imaging for forensic analysis. **Industrial Inspection**: Integrated into automated production lines for quality control, leveraging features like 4K resolution or thermal imaging variants.
Maintenance and Precautions
Regularly clean the lens and housing to prevent dust accumulation, which can degrade image quality. Ensure firmware updates are applied to address security vulnerabilities. Avoid pointing the camera directly at strong light sources (e.g., the sun) to prevent sensor damage. For outdoor installations, use modules with corrosion-resistant coatings and check seals annually for water ingress.
B2B Procurement Guide
When sourcing ICR modules, verify compatibility with existing infrastructure (e.g., NVR brands). Key specifications to compare include sensor type (e.g., Sony IMX vs. OmniVision), frame rate (e.g., 30fps at 1080p), and operating temperature range (-30°C to +60°C for outdoor use). Bulk buyers should request samples to test low-light performance and ICR durability (rated in switching cycles). OEM/ODM services are commonly available for custom housing designs or branding.
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