A kind of IMU shock-absorbing and heat-insulating device and preparation method based on silica gel

A thermal insulation device, silica gel technology, applied in applications, household appliances, other household appliances, etc., can solve the problems of high requirements for shock-absorbing and heat-insulating structures, high vibration environment requirements, and measurement value errors, etc., to achieve shock absorption Good heat insulation effect, convenient and fast installation, simple and compact structure

Active Publication Date: 2021-08-17
武汉迈普时空导航科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the IMU sensor is light in weight and small in size, and has high requirements on the vibration environment. Different temperature environments will cause errors in the measured values ​​of the IMU, so there are high requirements for its shock absorption and heat insulation structure.

Method used

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  • A kind of IMU shock-absorbing and heat-insulating device and preparation method based on silica gel
  • A kind of IMU shock-absorbing and heat-insulating device and preparation method based on silica gel

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific embodiments.

[0032] A silicone-based shock-absorbing and thermal-insulation device for IMUs, such as Figure 1~2 As shown, it includes: a pressure plate 1, a silicone shock-absorbing heat insulator 4, an IMU sensor 5, a cable 2, a printed circuit board 3, and a bottom plate 6. The printed circuit board 3 is connected with the IMU sensor 5 for switching and power supply. The cable 2 is connected to the printed circuit board 3 and is used to transmit the collected information to the central processing unit through the cable 2 . The IMU sensor 5 and the printed circuit board 3 are wrapped in the silicone shock-absorbing heat insulator 4 and located at the center of the silicone shock-absorbing heat-insulator 4 . The pressing plate 1 is placed on the top of the sili...

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Abstract

The invention discloses a silica gel-based IMU shock-absorbing and heat-insulating device and a preparation method thereof, which belong to the field of inertial navigation systems and can reduce the impact of high-frequency vibrations and temperature changes on the IMU. The IMU shock-absorbing and heat-insulating device includes: a pressure plate, a silicone shock-absorbing heat insulator, an IMU sensor, a cable, a printed circuit board, a bottom plate, the cable is connected to the printed circuit board, the printed circuit board is connected to the IMU sensor, and the IMU sensor is connected to the printed circuit The plate is wrapped in the silica gel shock-absorbing and heat-insulating body, the pressure plate is placed on the top of the silica gel shock-absorbing and heat-insulating body, the silica gel shock-absorbing and heat-insulating body is fixed on the bottom plate, and the bottom plate is connected with the pressure plate. The invention has the advantages of simple and compact structure, convenient and fast installation, high production efficiency, low material cost and good shock absorption and heat insulation effect.

Description

technical field [0001] The invention relates to the technical field of shock absorption and heat insulation of an inertial navigation measurement unit, in particular to a silica gel-based IMU shock absorption and heat insulation device and a preparation method thereof. Background technique [0002] Inertial navigation has many advantages: continuous work, rarely hardware failure; does not require any external information and does not radiate any information, and can navigate in any medium and under any environmental conditions; can output the position, speed and attitude of the carrier and other navigation information; the frequency bandwidth of the system can provide at least 50Hz navigation information, and can track any maneuvering movement of the carrier; the navigation output data is stable and has excellent short-term stability. The core components of the inertial measurement unit (Inertial Measurement Unit, IMU) include: accelerometer and gyroscope, IMU processor, etc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C39/10B29K83/00B29L31/00
CPCB29C39/10B29K2083/00B29L2031/721
Inventor 李喆张阳
Owner 武汉迈普时空导航科技有限公司
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