CN215121522U - Light-weighted crystal oscillator shock-absorbing structure - Google Patents
Light-weighted crystal oscillator shock-absorbing structure Download PDFInfo
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- CN215121522U CN215121522U CN202121486217.XU CN202121486217U CN215121522U CN 215121522 U CN215121522 U CN 215121522U CN 202121486217 U CN202121486217 U CN 202121486217U CN 215121522 U CN215121522 U CN 215121522U
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- crystal oscillator
- silica gel
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- box body
- foaming silica
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Abstract
The utility model relates to a light-weighted crystal oscillator shock-absorbing structure, its structure includes crystal oscillator and foaming silica gel, and crystal oscillator is located the box body that the top is equipped with the circuit board, and crystal oscillator is located the circuit board below, and foaming silica gel fills between crystal oscillator and box body inner wall in the space. The utility model has the advantages that: structural design is reasonable, adopts foaming silica gel to fill in the space of crystal oscillator and box body, plays effectual cushioning effect to the crystal oscillator, and the lightweight, and high, low temperature (-50 ~ 150 ℃) is less to foaming silica gel's hardness influence, and is not fragile, excellent performance, very is fit for using widely.
Description
Technical Field
The utility model relates to a light-weighted crystal oscillator shock-absorbing structure.
Background
At present, crystal oscillators are commonly used in the field of aviation industry of various countries.
In the prior art, the damping mode of the crystal oscillator is mostly a steel wire damping method, and when the vibration magnitude is large, the steel wire may break, causing product failure. And the aviation products pursue lightweight. In view of the above situation, a need exists for a crystal oscillator damping implementation that is lightweight and durable.
The foaming silica gel comprises A, B two parts, is white conventionally, is cured at room temperature after blending, is vulcanized to form a soft elastomer and is light in weight. The Shore hardness of the foaming silica gel is 5 degrees, the influence of high and low temperatures (-50-150 ℃) on the hardness is small, and the performance is excellent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light-weighted crystal oscillator shock-absorbing structure, its purpose aims at overcoming the above-mentioned not enough that prior art exists, adopts foamed silica gel to realize carrying out effective shock attenuation and durable to the crystal oscillator, and the lightweight.
The technical solution of the utility model is as follows: the utility model provides a light-weighted crystal oscillator shock-absorbing structure, its structure includes crystal oscillator and foaming silica gel, and crystal oscillator is located the box body that the top was equipped with the circuit board, and crystal oscillator is located the circuit board below, and foaming silica gel fills in the space between crystal oscillator and box body inner wall.
Preferably, the top surface of the crystal oscillator is in contact with the bottom surface of the circuit board, and the foaming silica gel is filled on the lower part of the side surface of the crystal oscillator and on the bottom surface.
The utility model has the advantages that: structural design is reasonable, adopts foaming silica gel to fill in the space of crystal oscillator and box body, plays effectual cushioning effect to the crystal oscillator, and the lightweight, and high, low temperature (-50 ~ 150 ℃) is less to foaming silica gel's hardness influence, and is not fragile, excellent performance, very is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of a light-weight crystal oscillator damping structure according to the present invention.
FIG. 2 is a graph showing the relationship between frequency and acceleration density in a test under the national military standard GJB 150.16A-2009 vibration environment.
FIG. 3 is a comparison graph of the variation of the dynamic phase noise of 4-5dBc/Hz before and after the light-weighted crystal oscillator damping structure of the present invention is adopted.
In the figure, 1 is a box body, 2 is a circuit board, 3 is a crystal oscillator, and 4 is foaming silica gel.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments.
As shown in fig. 1, a light crystal oscillator damping structure, its structure includes crystal oscillator 3 and foaming silica gel 4, and crystal oscillator 3 is located the box body 1 that the top was equipped with circuit board 2, and crystal oscillator 3 is located circuit board 2 below, and foaming silica gel 4 fills in the space between crystal oscillator 3 and box body 1 inner wall.
The top surface of the crystal oscillator 3 is contacted with the bottom surface of the circuit board 2, and the foaming silica gel 4 is filled on the lower part of the side surface of the crystal oscillator 3 and the bottom surface.
According to the structure, when in use, the foaming silica gel is divided into A, B parts, cured and vulcanized at room temperature after being blended, and filled in the gap between the crystal oscillator 3 and the box body 1 to play a role in shock absorption.
All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (2)
1. The utility model provides a light-weighted crystal oscillator shock-absorbing structure, its characterized in that includes crystal oscillator (3) and foaming silica gel (4), and crystal oscillator (3) are located box body (1) that the top was equipped with circuit board (2), and crystal oscillator (3) are located circuit board (2) below, and foaming silica gel (4) are filled in the space between crystal oscillator (3) and box body (1) inner wall.
2. A light-weighted crystal oscillator damping structure as defined in claim 1, wherein the top surface of the crystal oscillator (3) contacts the bottom surface of the circuit board (2), and the foamed silicone rubber (4) is filled on the lower portion of the side surface and the bottom surface of the crystal oscillator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486217.XU CN215121522U (en) | 2021-07-01 | 2021-07-01 | Light-weighted crystal oscillator shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486217.XU CN215121522U (en) | 2021-07-01 | 2021-07-01 | Light-weighted crystal oscillator shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215121522U true CN215121522U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121486217.XU Active CN215121522U (en) | 2021-07-01 | 2021-07-01 | Light-weighted crystal oscillator shock-absorbing structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN215121522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398581A (en) * | 2023-03-29 | 2023-07-07 | 中国科学院国家空间科学中心 | Crystal oscillator vibration damper for sounding rocket data transmission transmitter |
-
2021
- 2021-07-01 CN CN202121486217.XU patent/CN215121522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398581A (en) * | 2023-03-29 | 2023-07-07 | 中国科学院国家空间科学中心 | Crystal oscillator vibration damper for sounding rocket data transmission transmitter |
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