0.1deg north seeking accuracy sensor fiber north finding sensor

Environmental requirements

1) Working temperature: -40℃～+65℃;

2) Storage temperature: -45℃～+70℃.

3) Sand and dust: Under the sand and dust conditions specified in Article 2 of GJB150.12, the following conditions shall not occur in the fiber optic gyroscope north finder:

a. The organization is too tight, stuck or malfunctioning;

b. Electrical components are short-circuited or cannot work normally;

c. The internal mechanical parts are dusty.

4) Salt fog

The fiber optic gyroscope north finder should meet the salt spray conditions of GJB150.11.

5) Humid and hot environmental conditions

Relative humidity: 95%; temperature: 30±2C; storage time 72 hours.

The insulation resistance should not be less than 2 MΩ, the metal surface should not be corroded, and the coating should not be blistered or peeled off, and it can work normally.

6) Vibration environment

Sinusoidal scanning vibration environment requirements

Frequency range: 5Hz~5.5Hz, vibration displacement (double amplitude) 25.4mm

Frequency range: 5.5Hz~200Hz, vibration acceleration 1.5g;

Scan time: 12min;

Vibration direction: 3 axes (X axis, Y axis, Z axis);

Each axis: 2h;

7) Impact environmental conditions

Impact waveform: half-sine pulse

Peak acceleration: 20g, pulse width 11ms,

Number of impacts per axis (X-axis, Y-axis, Z-axis): 3

8) Crash environmental conditions

Peak acceleration: 10g

Pulse width: 16ms

Collision rate: vertical axis 80 times/min

Collision times: 1000±10 times

Collision direction: vertical installation plane

9) Environmental requirements for sports cars

The road sports car has a mileage of 500 km. in:

Dirt road and gravel road: The speed is 20-30 km/h, 300 km.

Asphalt road and concrete road: the vehicle speed is 30-40 km/h, 200 km.

10) Electromagnetic compatibility

The electromagnetic compatibility refers to the relevant requirements of GJB151A-97 "Electromagnetic Emission and Sensitivity Requirements for Military Equipment and Subsystems".

11) Magnetic field

The performance characteristics of the gyro north finder under the condition of the magnetic induction intensity of (3±0.5)×10-4T should meet the technical index requirements.

Electrical performance

1) Insulation resistance

The insulation resistance between the independent circuits of the gyro north finder, and between the circuit and the housing should not be less than 100 MΩ under standard atmospheric conditions.

Dimension

External Interface

1.1.1 With 24V±4V power input.

1.1.2 With serial port output function, the serial port output is defined as follows:

The external communication port adopts the RS422 serial interface form, with 1 start bit, 8 data bits, 1 stop bit, no parity, and a baud rate of 9600bps. The data is in ASIC format.

Shenzhen Fire Power Control Technology Co., Ltd. is a professional manufacturer specializing in the production of  electronic products and inertial devices, and providing technical consultation and export services. The company has a strong independent  team. The technical team is composed of many outstanding experts with more than 50 years of comprehensive industry  experience. The company has strong technical strength in the fields of vibration acceleration sensors, MEMS gyro, IMU, INS, angle testing equipment and other products, and is able to provide users with professional design, development, production and services of inertial devices and related simulation software.

Technical Advantages

Firepower technology fully possesses independent design capabilities in vibration acceleration sensors, MEMS gyro, IMU, INS, angle testing equipment and other products.. We have accumulated over ten years of research and development experience in the fields of optical sensing, MEMS sensing, with strong technical strength. We have mastered multiple core technologies including MEMS gyroscope and acceleration chip design, multi-core fusion technology, silicon optical chip technology, optical sensing. With the accumulation of technology, we have the ability to scale up industries and are in a leading position worldwide. Not only can we provide customers with high-performance products, but we can also significantly reduce production costs.

Production Capacity

Firepower has four subsidiaries with production line respectively, which are MEMS inertial product production line, micro-nano integrated inertial production line,vibration acceleration sensor production line and angle test equipment production line. A total investment of 15, 000 square meters has been built for scientific research and production, including 650 square meters 10, 000-class clean rooms that meet national standards, electrical-mounting production lines and environmental testing centers.

With more than ten years development, Firepower has become a high-tech enterprise with high level of craftsmanship and comprehensive products range in China. We have complete production line from chips to finished products after all testing, providing first level products among peers in domestic and over-sea market.

Production Environment

We have built clean rooms, electrical assembly production line, and environmental testing center that comply with the national "Clean Building Design Specification". It has complete precision measuring instruments and testing equipment, angle testing systems, high and  low temperature test chambers, vibration and shock test benches, precision optical indexing heads, functional centrifuges, mechanical testing rooms ,anechoic chambers, multi axis angle test equipment and other instruments and testing equipment to ensure product quality.