State-owned heavy equipment, Beidou navigation has seen significant development
In recent years, China’s navigation industry has developed rapidly. From airplanes and rockets, mobile phones, cars, drones, to maritime surveying and mapping, high-precision positioning technology is permeating various industries. According to authoritative data, in 2024, the total output value of the industry centered on Beidou reached 575.8 billion yuan, with CNNC core output value (including chips, components, software, navigation data, terminal devices, etc.) reaching 169.9 billion yuan. The market size of inertial navigation systems in 2024 also reached 45.97 billion yuan.
Currently, the most frequently mentioned navigation technologies are satellite navigation (GNSS) and inertial navigation (INS). Each has its own advantages and disadvantages, and is applied in different scenarios, sometimes combined. China has formed a relatively complete navigation industry chain, covering chips, gyroscopes, boards, antennas, terminal devices, system integration, and operational services. Each segment continuously innovates technologically and develops synergistically, driving overall industry growth.
Navigation Device Reliability: A Life-or-Death Test
At the same time, navigation devices face increasingly complex and diverse environments. For example, in-car navigation devices must withstand temperature changes from extreme cold to extreme heat, aviation navigation products must seamlessly switch between high-altitude low temperatures and ground heat, and outdoor navigation equipment must withstand harsh conditions such as high humidity and vibration. All these factors determine that the performance stability of navigation systems is directly related to life safety. And all of this is inseparable from the environmental test chamber. The environmental test chamber is an indispensable testing tool in the research, development, and production of navigation equipment. It simulates various harsh environmental conditions to verify product reliability and durability. For example, in composite environment testing of navigation systems, the test chamber needs to control temperature, humidity, and vibration to replicate the actual operating conditions of the navigation system in extreme environments such as polar regions, deserts, and high altitudes. Taking gyroscope testing as an example, common tests require maintaining a startup time of ≤5 seconds at -50°C, and when vibration is added, signal drift ≤ 0.1°/h.
SCICOOLING: A Reliable Partner for Navigation Equipment Testing Among many environmental test chamber suppliers, SCICOOLING stands out in the field of environmental testing equipment for the navigation industry thanks to its unique technological advantages. SCICOOLING currently offers 10 major types of environmental test chambers, including high and low temperature chambers, temperature and humidity test chambers, shock chambers, low pressure chambers, and three-integrated chambers. The temperature and humidity test chamber’s temperature and humidity temperature adjustment rate can reach up to 30°C/min, and low temperature and humidity can reach 7°C and 7% RH. Particularly noteworthy is the test chamber environment supporting the turntable.
As early as 2006, SCICOOLING successfully applied “mixed working fluid ultra-low temperature technology” to the rotary table matching incubator, allowing a single compressor to reduce temperatures to -190°C. In 2007, mass production of dual-axis rotary table supporting heating boxes was among the first in China to use rotary joints, changing the traditional practice of placing the entire rotary table inside the heating box. The rotary table does not need to withstand high and low temperatures, greatly reducing cooling power configuration.
To date, 450+ SCICOOLING turntable units with high and low temperature chambers have been delivered. These products feature stable quality (stable operation for over 15+ years), compact structure, small footprint, light weight, high efficiency and energy saving, and low maintenance costs.
In the navigation field, SCICOOLING has served over 100+ companies, including not only high-reliability and high-reliability units such as China Aerospace, China Aerospace Science and Industry Corporation, China Aviation Industry Corporation, and China North Industries Corporation, but also outstanding private representatives such as Haige Communications, Beidou Xingtong, Huali Chuangtong, Xingwang Yuda, Zhenxin Technology, Zhonghaida, and Naiwei Technology. It has also established good cooperative relationships with 20+ mainstream domestic turntable manufacturers, including Aerospace 102 Institute, Aviation 303 Institute, Aerospace 33 Institute, Aerospace 803 Institute, Jiujiang Precision, Huazhong Optoelectronics, Harbin Institute of Technology, and Kaituo Daokong.
Application Case: Safeguarding China’s SCISCIENTIFIC & Navigation Industry
- High and low temperature walk-in boxes/three-axis turntable supporting incubators—Shanghai
Ø Equipment Purpose: Used for environmental screening and reliability verification of aircraft components and systems, gyroscopes, and other devices.
Ø Technical parameters of the walk-in high and low temperature chamber:
Temperature range: -75°C~+150°C
Temperature change rate: ≥5°C/min Inner chamber volume: 3m³
- Low-pressure three-unit comprehensive box – Beijing
Ø Equipment Purpose: Environmental reliability testing and screening of materials, components, systems, and other materials for satellite navigation, missiles, etc.
Ø Main Technical Parameters:
Nominal volume: 6.5m³
Temperature range: -70°C~+150°C
Cooling rate: ≥3.0°C/min
Humidity range: 10%~98% RH
Pressure range: atmospheric pressure ~2.5kPa
- Complex non-standard combined environmental test chamber – Beijing
Ø Equipment Purpose: Environmental reliability testing and screening of materials, components, systems, and other materials for satellite navigation, missiles, etc. Ø Main Technical Parameters:
Nominal capacity: 520L
Temperature range: -70°C~+150°C
Temperature change rate: ≥10°C/min
Humidity range: 10%~98% RH
- Three-axis turntable equipped with high and low temperature chambers – Changsha
Ø Equipment Applications: Used for testing sensor components, inertial navigation devices, combined navigation devices, and similar devices. Ø Main Technical Parameters:
Nominal Capacity: 250L~500L
Temperature range: -75°C~+150°C
Temperature change rate: ≥5°C/min
Angle range: inner ring – continuous rotation
Outer ring -± 90° / ± 180° / continuous rotation
Refrigeration method: Single compression mechanical refrigeration
- Rotary table supporting / vibration isolation platform / high and low temperature rapid temperature transformer box – Xi’an
Ø Equipment Applications: Fiber optic gyroscopes, optical components, inertial navigation systems, and other environmental screening and testing.
Ø Main Technical Parameters:
Product category: Single-shaft rotary table incubator
Inner box capacity: 250L~500L
Temperature range: -75°C~+150°C
Heating rate: ≥2°C/min
Related Resources & Next Step
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