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Accelerometer intelligent precision temperature control device

An accelerometer and temperature control device technology, applied in the field of inertial navigation information measurement, can solve the problems of low temperature control accuracy, poor temperature insulation ability, and long temperature control time, and achieve high temperature control accuracy, good temperature insulation effect, and high temperature control The effect of warm fast start

Pending Publication Date: 2021-04-06
BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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Problems solved by technology

[0004] The technical problem solved by the present invention is: Aiming at the problems of poor temperature insulation ability, low temperature control accuracy and long temperature control time in the traditional temperature control device in the current prior art, an accelerometer intelligent precision temperature control device is proposed

Method used

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  • Accelerometer intelligent precision temperature control device
  • Accelerometer intelligent precision temperature control device

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Embodiment Construction

[0019] An accelerometer intelligent precision temperature control device, in order to ensure that the inertial navigation system reaches the thermal equilibrium process in the shortest time after startup, so that the inertial navigation system can quickly enter a stable working state, it is necessary to directly control the accelerometer under the premise of ensuring the system's working accuracy. The meter head is used for temperature control. At the same time, according to the ambient temperature at the start time, the temperature control point is intelligently set to shorten the thermal balance time and achieve the purpose of quick start. Therefore, an accelerometer intelligent and precise temperature control device is required. The temperature control device mainly includes the accelerometer combination body , thermal insulation material, first-level temperature insulation structure, second-level temperature insulation structure, first-level heating sheet, second-level heati...

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Abstract

The invention provides an accelerometer intelligent precision temperature control device which comprises an accelerometer combination body, a heat preservation material, a first-stage heat insulation structure, a second-stage heat insulation structure, a first-stage heating piece, a second-stage heating piece and an accelerometer. A double-layer heat insulation and two-stage temperature control scheme is adopted so that the accelerometer is effectively isolated from the internal environment temperature of an inertial navigation system; meanwhile, the control sensitivity of the temperature control system is improved, a guarantee is provided for high-precision control, the temperature insulation effect is good, the temperature control precision is high, and temperature control quick start can be achieved.

Description

technical field [0001] The invention relates to an accelerometer intelligent precision temperature control device, which belongs to the field of inertial navigation information measurement. Background technique [0002] As one of the core components of the inertial navigation system, the quartz flexible accelerometer has a wide range of applications in aerospace, national defense and military fields. Its performance and working accuracy often directly affect the normal operation of the entire system. The method of accelerometer measurement accuracy has become a crucial content of research in the field of inertial technology. The measurement accuracy of the accelerometer is not only related to its own design scheme, technical process, production materials, etc., but also related to its working environment, especially the working temperature. Changes in working environment temperature will cause thermal expansion and contraction of components and changes in physical parameter...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00G01P21/00G01K7/16
CPCG01C25/005G01P21/00G01K7/16
Inventor 王鹏郭建刚黄世涛马戈张纬
Owner BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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