An air inflator control card for 12V/24V DC is typically a circuit board designed to regulate and control the operation of an air inflator or compressor. Such control cards are used in automotive, industrial, or portable air compressors to ensure efficient and safe functionality.
Key Features:
- Voltage Compatibility:
- Supports both 12V and 24V DC power inputs.
- Suitable for vehicles or standalone systems with these voltage ratings.
- Motor Control:
- Regulates the operation of the air compressor motor.
- Includes features for start/stop functionality and speed control.
- Pressure Monitoring:
- Interfaces with a pressure sensor to monitor air pressure in real-time.
- Stops the motor when the desired pressure is reached.
- Protection Mechanisms:
- Overcurrent protection to prevent damage to the motor or circuit.
- Thermal protection to shut down the system if it overheats.
- Reverse polarity protection for incorrect power connection.
- User Interface:
- May include buttons, an LCD/LED display, or status indicators.
- Allows users to set target pressure or view system status.
- Relay or MOSFET Switching:
- High-power relays or MOSFETs to control the compressor motor.
- Compact and Durable Design:
- Built to withstand vibration and temperature variations, especially in automotive applications.
Typical Applications:
- Automotive tire inflators.
- Portable air compressors.
- Industrial air systems.
- HVAC controls.
Example Components:
- Microcontroller (e.g., ATmega, PIC, or similar).
- Pressure transducer or switch.
- Power transistors (MOSFETs or BJTs).
- Relay modules for motor control.
- LED indicators or displays.
- Power connectors and wiring terminals.
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