Infrared Guided Missile Magnet

Infrared-guided technology is a military technology used to control and guide missiles to their targets through infrared tracking and measurement. Most infrared-guided systems utilize passive homing guidance. The infrared-guided system comprises an infrared seeker, a computer, and an actuator. The infrared seeker, which consists of a chopper wheel, an infrared detector, and an optical system, is the tracking and measurement device.

Infrared seekers are primarily used to detect and collect heat radiation, which is then spatially encoded after modulation. This process produces an output pulse sequence containing information about the target's spatial direction after photoelectric conversion. The pulse sequence is sent to the seeker's torquer, which drives the optic axis to track the target. The performance of the seeker directly affects the missile's ability to stay on course.

In fact, infrared-guided missile magnets have long been regarded as the crown jewel of the AlNiCo magnet field. The seeker's central component is the seeker gyrorotor. Because a highly accurate guidance system requires a seeker gyrorotor with low power consumption, high accuracy, and stability, magnetic support rotor gyros are commonly used in seeker gyrorotor designs.

Magnetic support functions by balancing the weight and load of the suspension with the ponderomotive force generated by an adjustable magnetic field. As a key provider of the magnetic field, the infrared-guided missile magnet, also known as the primary mirror magnet, plays a crucial role. Since a primary mirror magnet integrates an optical component, a gyrorotor, and a magnet, it must possess sufficient strength, dynamic balance, and optical mirror quality, along with superior sine wave performance.