1. Introduction
The IRay MINI2 series is an advanced uncooled Long-Wave Infrared (LWIR) thermal camera module, designed for a wide range of industrial and security applications. This manual specifically covers the MINI2 640 model, featuring a 640x512 resolution. Known for its compact size, lightweight design, and low power consumption, the MINI2 incorporates a self-developed infrared ISP chip to deliver clear and smooth thermal images. It offers various image modes and lens options to suit diverse operational needs.
2. Setup and Connections
This section outlines the necessary steps for setting up your IRay MINI2 thermal camera module and understanding its connectivity options.
2.1 Power Supply
- The module requires a 5V power input. Ensure your power source provides stable 5V to prevent damage or erratic operation.
2.2 Connectivity Options
The MINI2 module supports various expansion board interfaces for data and control:
- USB Type C: For modern, versatile connectivity.
- RS-232, UART: Standard serial communication interfaces.
- Analog Video: For direct video output (PAL/NTSC).
- BT.656 Digital Video: A standard for digital video.
- RS422, LVDS Digital Video: High-speed digital video interfaces.
- CameraLink Digital Video: High-performance digital interface for industrial cameras.
- MIPI Digital Video: Mobile Industry Processor Interface for video.
- USB 4Pin: A common USB interface.
2.3 Lens Installation
The MINI2 module is compatible with a range of lenses. Ensure the chosen lens is securely attached to the module. Available lens options include:
- 4.1mm, 4.4mm, 6.9mm, 9.1mm, 13mm, 19mm, 25mm, 35mm, 55mm, 75mm, 100mm
3. Operation
The IRay MINI2 module is designed for flexible operation across various applications.
3.1 Image Modes and Adjustments
The module supports multiple image modes and adjustments to optimize thermal imaging for different environments:
- Polarity/Palette: Supports White-hot, Black-hot, and various other palettes.
- Non-uniformity Correction: Features Shutter correction and shutter-less algorithm correction for consistent image quality.
- Brightness/Contrast Adjustment: Adjustable from 0-100 (optional).
- Digital Zoom: Continuous zoom from 1.0x to 8.0x, with a step size of 0.1.
- Mirroring: Supports Vertical, Horizontal, and Diagonal mirroring.
3.2 Frame Rate
The MINI2 640 model operates at a detector frame rate of 30Hz or 60Hz, providing smooth thermal video output.
3.3 Typical Applications
The versatility of the MINI2 module makes it suitable for:
- Industrial Temperature Measurement
- Machine Vision
- Electro-Optical Pods
- City Security and Surveillance
- Vehicle-mounted thermal cameras
- Night Vision systems
4. Maintenance
To ensure the longevity and optimal performance of your IRay MINI2 thermal camera module, follow these general maintenance guidelines:
- Keep the module clean and free from dust and debris. Use a soft, lint-free cloth for cleaning the exterior.
- Avoid exposing the lens to direct sunlight or strong heat sources for extended periods.
- Store the module in a dry, temperature-controlled environment when not in use.
- Do not attempt to disassemble the module, as this will void the warranty and may cause damage.
5. Troubleshooting
If you encounter issues with your IRay MINI2 module, consider the following general troubleshooting steps:
- No Image/Power:
- Verify the 5V power supply is correctly connected and providing power.
- Check all cable connections (USB, video, serial) for secure fit.
- Poor Image Quality:
- Ensure the lens is clean and free from smudges or dust.
- Adjust brightness, contrast, and palette settings in your software interface.
- Perform non-uniformity correction if available and needed.
- Communication Issues:
- Confirm the correct communication interface (USB, RS-232, UART, etc.) is selected and configured in your system.
- Check driver installations if using USB or other digital interfaces.
For persistent issues, please refer to the Warranty/Support section for contact information.
6. Specifications
The following tables detail the electrical, physical, environmental, and technical specifications of the IRay MINI2 640 thermal camera module.
6.1 Electrical Parameters
| Parameter | Value |
|---|---|
| Analog video | PAL/NTSC |
| Digital video | DVP/BT656/ USB2.0/MIPI |
| Communication interface | UART/I2C/USB2.0 |
| Power supply input | 5V |
6.2 Physical Characteristics
| Parameter | Value |
|---|---|
| Weight (without lens) | <9g |
| Dimensions (without lens) | 21x21x10.3mm |
6.3 Environment Adaptability
| Parameter | Value |
|---|---|
| Operating temperature | -40°C ~ +80°C |
| Storage temperature | -50°C ~ +85°C |
| Humidity | 5%~95%, non-condensing |
| Vibration | 6.06g, random vibration, all axes |
| Impact | 80g, 4ms, final peak sawtooth wave, three axes and six directions |
6.4 Technical Specifications (MINI2 640)
| Technical specifications | MINI2 256 | MINI2 384 | MINI2 640 |
|---|---|---|---|
| Main Parameters | |||
| Detector type | Uncooled Vox infrared detector | ||
| Resolution | 256x192 | 384x288 | 640x512 |
| Detector frame rate | 25/50Hz | 30/60Hz | 30/60Hz |
| Pixel pitch | 12um | ||
| Spectral band | 8~14um | ||
| NETD | ≤40mK@25°C, F#1.0, 25Hz | ||
| Image Adjustment | |||
| Non-uniformity correction | Shutter correction/shutter-less algorithm correction | ||
| Brightness/Contrast adjustment | 0-100, optional | ||
| Polarity/Palette | White-hot/Black-hot/Various palettes supported | ||
| Digital zoom | 1.0-8.0x continuous zoom (step size: 0.1) | ||
| Mirroring | Vertical/Horizontal/Diagonal | ||
7. Warranty and Support
7.1 Warranty
The IRay MINI2 Thermal Camera Module comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets its specified performance criteria under normal use.
7.2 Technical Support
Technical support is available at any time for assistance with setup, operation, troubleshooting, or any other product-related inquiries. Please contact your vendor or the manufacturer's support channels for assistance. Inquiries are typically replied to within 24 hours.
7.3 OEM/ODM Support
For specific project requirements, OEM/ODM services are available. Please provide your detailed requirements to the manufacturer or authorized distributor for design and production assistance.
8. User Tips
No specific user tips were available from reviews or Q&A content for this product. General best practices for thermal camera modules include:
- Always ensure proper ventilation around the module, especially during extended operation, to maintain optimal performance and prevent overheating.
- When integrating the module into a custom system, pay close attention to power supply stability and signal integrity for reliable data transmission.
- Experiment with different image palettes and brightness/contrast settings to find the best visualization for your specific application and environmental conditions.
