0.1deg North Seeking Gyro 3 Axes North Sensor Rs422 Interface

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 aerospace 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 integrated photonics, fiber optic gyroscopes, inertial navigation, etc., 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 micro nano integrated fber optic gyroscopes, silicon optical chip integrated fiber optic gyroscopes and complete inertial navigation system technologies. We have accumulated over ten years of research and development experience in the fields of optical sensing, MEMS sensing, and inertial navigation, 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, and inertial navigation.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.

SILICON OPTICAL CHIP + OPTICAL FIBER SENSING UNIT

Production Capacity

Firepower has four subsidiaries with production line respectively, which are MEMS inertial product production line, fiber optic inertial production line, quartz accelerometer production line and motion simulation table 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.

Specially in 2019, we set up a micro-nano fiber optic gyroscope production line which is the only one in China, and it break through the technical bottleneck of the traditional closed-loop fiber optic gyroscope technology, bringing a new FOG of more precise, smaller and cheaper to the inertial navigation market.

The company has more than 100 patents and software copyrights, among which the core leading technologies are:

1) China′s only micro-nano fiber optic gyroscope production technology

2) Quartz flexible accelerometer pendulum design, etching, vacuum sputtering coating technology

3) Full-temperature high-precision MEMS inertial measurement and navigation technology;

4) Fiber optic gyroscope precision assembly and testing technology

5) Quartz flexible accelerometer range adjustment, scale factor, bias value, scale factor, temperature hysteresis, long-term repeatability measurement and modulation technology

6) Quartz accelerometer high temperature resistance (180° ) and high seismic design technology and process

7) Large dynamic three-axis turntable process design technology

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, simulation 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 turntables and other instruments and testing equipment to ensure product quality.