CN109890151A - A kind of precise electronic component protection system containing bionical spiral laminae composite material - Google Patents
A kind of precise electronic component protection system containing bionical spiral laminae composite material Download PDFInfo
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- CN109890151A CN109890151A CN201910216057.8A CN201910216057A CN109890151A CN 109890151 A CN109890151 A CN 109890151A CN 201910216057 A CN201910216057 A CN 201910216057A CN 109890151 A CN109890151 A CN 109890151A
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- laminae
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Abstract
The present invention relates to a kind of, and the precise electronic component containing bionical spiral laminae composite material protects system, comprising: shell, spiral laminae inner casing and filler;The filler is between shell and high-accuracy component equipment;It is the composite material of matrix that the spiral laminae inner shell materials, which are by reinforcement, resin of carbon fiber, and the carbon fiber direction in spiral laminae between each layer is arranged according to certain helical angle.The present invention realizes the purpose of impact isolating, meets the requirement to surge guard such as high-accuracy component equipment.
Description
Technical field
The present invention relates to a kind of, and the precise electronic component containing bionical spiral laminae composite material protects system, belongs to impact
Safeguard structure research.
Background technique
For high precision electro subcomponent, equipment etc., power can be absorbed impact when falling, if protection is improper, Ke Nengzao
At damage;During transportation, it is possible to be damaged by impact vibration;For some electronics under high G-value working environment
Equipment can influence service life due to factors such as vibrations.The protection of shock resistance structure is just particularly important thus.Especially with
Industry, defense military equipment it is fast-developing to enlargement, high speed, the directions such as high-accuracy, intelligent, Various Complex motivate and
Its coupling, which makes to equip locating dynamics environment, to become increasingly complex, also further harsh to the performance requirement of vibration absorber, no
It only wants that higher damping rate can be kept in a wider frequency domain, and Various Complex excitation (impact can be effectively relieved
Load, load excitation, environmental excitation, basis interference etc.) interference of the coupling to system.
The brilliant mechanical property of natural biologic material can provide important enlightenment for the optimization design of artificial material.Squill
The superior shock resistance of rodlike forelimb biomaterial is derived from its internal helicoid laying fiber microstructure.With the novel of spiral laminae
Bionic composite material has excellent mechanical property, such as high-fracture toughness, high energy absorption capability.
Summary of the invention
Technology of the invention solves the problems, such as: overcoming the deficiencies of the prior art and provide a kind of precision of structure containing spiral laminae
Electronic component protects system and method, realizes the purpose of impact isolating, meets high-accuracy component equipment etc. to surge guard
It is required that.
What the invention is realized by the following technical scheme: a kind of precise electronic member device containing bionical spiral laminae composite material
Part protects system, comprising: shell, spiral laminae inner casing and filler;The filler is located at shell and precise electronic component
Between;It is the composite material of matrix that the spiral laminae inner shell materials, which are using carbon fiber as reinforcement, resin, each in spiral laminae
Carbon fiber direction between layer is arranged according to certain helical angle.
The spiral laminae is as follows:
[0/16.36/32.73/49.09/65.45/81.82/98.18/114.54/130.91/147.27/163.64/
180]ns
The laying i.e. since 0 ° of direction, the angle between every two layers of machine direction is 16.36 °, and fiber angles are gradually incremented by
To 180 °, every 12 layers of one laying period of formation;By carrying out the thickness that n times symmetrically make laying meet shell to the single laying period
Degree requires.N takes 2-3 in the present invention.
The shell and spiral laminae inner casing are hollow circuit cylinder open at one end.
The filler is biological based foam material.
The shell is ceramic material.
The top of the shell is equipped with cylindrical cover, and the cylindrical cover is buckled in the top of shell, and the top with the shell
It is tightly connected.
A kind of precise electronic component guard method containing bionical spiral laminae composite material of the present invention, step are as follows:
Firstly, the shell of the ceramic material of selection high intensity, prepares carbon fiber spiral laying using coiling and molding technique
Thermoplastic composite inner casing, filler can be for polyurethane foams, biological foamed material, and the method for then using gluing will
Shell and inner casing fitting.Specific step is as follows:
(1) using the hot-rolling on rolling machine, soften prepreg, melt the resin adhesive above prepreg;
(2) under some tension, during the rotation process of roller, using the friction between roller and mandrel, layering according to
Prepreg is rolled on tube core by certain angle, until required thickness;
(3) it by chilling roller cooling and shaping, takes out from up- coiler, solidifies in curing oven.After tubing solidification, core model is removed
Type obtains the composite material inner casing of spiral laminae structure;
(4) composite material inner casing and ceramic shell are polished with sand paper, is then cleaned up;
(5) ceramic material, carbon fibre composite are bonded by selection gluing;
(6) it is put into protected precision electronic element or equipment in inner casing, biomass fermentation foam material is filled into inner casing, it is real
Now to the surge guard of precision electronic element or equipment;
(7) when needing using sealing state, cylindrical cover is buckled in the top of the shell.
The advantages of the present invention over the prior art are that: the configuration of the present invention is simple, reliable, manufacture craft is simple and convenient.
The intensity and hardness of ceramic material are higher, to prevent foreign body penetration, the specific strength and specific stiffness of carbon fibre composite compared with
Greatly, and its unique spiral laminae structure makes it have stronger rigidity, fracture toughness and energy absorption capability, and inside is filled
Biomass fermentation foam material can play well buffering and damping function.It is carried out by the material for haveing excellent performance these three
In conjunction with, can reduce protect mass of system while more effectively to precision element carry out vibratory impulse protection;Simultaneously equipped with circle
Column lid can make structure sealing and non-tight two states.
Detailed description of the invention
Fig. 1 is spiral laminae structural schematic diagram of the invention;
Fig. 2 is the axial cross-sectional views of shock resistance structure of the invention;
Fig. 3 is the radial section schematic diagram of shock resistance structure of the invention;
Fig. 4 is the overall appearance diagrammatic cross-section of shock resistance structure of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As shown in figures 1-4, shock resistance structure of the invention includes shell 1 and inner casing 2, and wherein inner casing 2 is placed on shell 1
Inside, coaxial arrangement.It is placed with protected precision electronic element or equipment 4 inside inner casing 2, and is filled in the inner casing
Biomass fermentation foam material 3, shell 1 and inner casing 2 are hollow circuit cylinder open at one end.It is Nian Jie between shell 1 and inner casing 2.
If necessary to use sealing state, it is equipped with cylindrical cover 5 at the top of shell 1, which is buckled in the top of shell 1
Portion.
Shell 1 of the invention is the ceramic material of high rigidity, and inner casing 2 is the composite material of carbon fiber spiral laying, inner casing
Interior packing material is biomass foamed material.
The production method of the electronic component protection system of spiral laminae structure of the present invention are as follows:
Firstly, the shell of the ceramic material of selection high intensity, prepares carbon fiber spiral laying using coiling and molding technique
Thermoplastic composite inner casing, filler are biological foamed material.
Then, using the method for gluing, shell and inner casing are bonded;Specific step is as follows:
A. using the hot-rolling on rolling machine, soften prepreg, melt the resin adhesive above prepreg.
B. it under some tension, during the rotation process of roller, using the friction between roller and mandrel, is layered according to one
Prepreg is rolled on tube core by fixed angle, until required thickness.
C. it by chilling roller cooling and shaping, takes out from up- coiler, solidifies in curing oven.After tubing solidification, core model is removed
Type obtains the composite material inner casing of spiral laminae structure.
D. composite material inner casing and ceramic shell are polished with sand paper, is then cleaned up.
E. ceramic material, carbon fibre composite are bonded by selection gluing.
F. it is put into protected precision electronic element or equipment in inner casing, biomass fermentation foam material is filled into inner casing, it is real
Now to the surge guard of precision electronic element or equipment.
When needing using sealing state, cylindrical cover is buckled in the top of the shell.
The intensity and hardness of ceramic material are higher, and the specific strength and specific stiffness of carbon fibre composite are larger, and it is unique
Spiral laminae structure make it have stronger fracture toughness and energy absorption capability, and the biomass fermentation foam material of internal filling
The function of buffering and damping well can be played.Be combined by the material for haveing excellent performance these three, by emulation and
Correlation test more effectively can carry out vibratory impulse to precision element while reducing and protecting mass of system and effectively protect.
Although describing specific implementation method of the invention above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, under the premise of without departing substantially from the principle of the invention and realization, numerous variations can be made to these embodiments
Or modification, therefore, protection scope of the present invention is defined by the appended claims.
Claims (6)
1. a kind of precise electronic component containing bionical spiral laminae composite material protects system characterized by comprising outer
Shell, spiral laminae inner casing and filler;The filler is between shell and precise electronic component;In the spiral laminae
It is the composite material of matrix that shell material, which is by reinforcement, resin of carbon fiber, and the carbon fiber direction in spiral laminae between each layer is pressed
It is arranged according to certain helical angle.
2. a kind of precise electronic component containing bionical spiral laminae composite material according to claim 1 protects system,
It is characterized by: the spiral laminae is as follows:
[0/16.36/32.73/49.09/65.45/81.82/98.18/114.54/130.91/147.27/163.64/180]ns
The laying i.e. since 0 ° of direction, the angle between every two layers of machine direction is 16.36 °, and fiber angles are gradually incremented to
180 °, every 12 layers of one laying period of formation;By carrying out the thickness that n times symmetrically make laying meet shell to the single laying period
It is required that.
3. a kind of precise electronic component containing bionical spiral laminae composite material according to claim 1 protects system,
It is characterized by: the shell and spiral laminae inner casing are hollow circuit cylinder open at one end.
4. a kind of precise electronic component containing bionical spiral laminae composite material according to claim 1 protects system,
It is characterized by: the filler is biological based foam material.
5. a kind of precise electronic component containing bionical spiral laminae composite material according to claim 1 or 3 protects system
System, it is characterised in that: shell is ceramic material.
6. a kind of precise electronic component containing bionical spiral laminae composite material according to claim 1 protects system,
It is characterized by: the top of the shell is equipped with cylindrical cover, the cylindrical cover is buckled in the top of shell, and the top with the shell
Portion is tightly connected.
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CN201910216057.8A CN109890151A (en) | 2019-03-20 | 2019-03-20 | A kind of precise electronic component protection system containing bionical spiral laminae composite material |
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CN201910216057.8A CN109890151A (en) | 2019-03-20 | 2019-03-20 | A kind of precise electronic component protection system containing bionical spiral laminae composite material |
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Cited By (4)
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CN110845240A (en) * | 2019-12-09 | 2020-02-28 | 河北工业大学 | Preparation method of carbon fiber toughened ceramic material with spiral microstructure |
CN111205820A (en) * | 2020-02-10 | 2020-05-29 | 大连理工大学 | Multifunctional bionic wave-absorbing metamaterial adapted to various waves and inspired by carapace spiral structure of chafer |
CN112810258A (en) * | 2021-01-15 | 2021-05-18 | 吉林大学 | Fiber spiral laying bionic impact-resistant composite material and preparation method thereof |
CN113275683A (en) * | 2021-03-29 | 2021-08-20 | 南京工程学院 | Preparation method of metal ceramic composite material with overlapped double bionic structures |
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CN106273942A (en) * | 2016-07-27 | 2017-01-04 | 南京航空航天大学 | The lightweight impact resistant composite material of the attached sufficient structure of a kind of imitative squill and method for designing thereof |
CN107946511A (en) * | 2017-11-16 | 2018-04-20 | 北京航空航天大学 | A kind of variable cross-section composite material battery case and preparation process |
CN108032567A (en) * | 2017-12-30 | 2018-05-15 | 中国科学院沈阳自动化研究所 | A kind of shock resistance structure on imitative woodpecker head and preparation method thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110845240A (en) * | 2019-12-09 | 2020-02-28 | 河北工业大学 | Preparation method of carbon fiber toughened ceramic material with spiral microstructure |
CN110845240B (en) * | 2019-12-09 | 2022-03-15 | 河北工业大学 | Preparation method of carbon fiber toughened ceramic material with spiral microstructure |
CN111205820A (en) * | 2020-02-10 | 2020-05-29 | 大连理工大学 | Multifunctional bionic wave-absorbing metamaterial adapted to various waves and inspired by carapace spiral structure of chafer |
CN111205820B (en) * | 2020-02-10 | 2020-12-11 | 大连理工大学 | Multifunctional bionic wave-absorbing metamaterial adapted to various waves and inspired by carapace spiral structure of chafer |
CN112810258A (en) * | 2021-01-15 | 2021-05-18 | 吉林大学 | Fiber spiral laying bionic impact-resistant composite material and preparation method thereof |
CN113275683A (en) * | 2021-03-29 | 2021-08-20 | 南京工程学院 | Preparation method of metal ceramic composite material with overlapped double bionic structures |
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Application publication date: 20190614 |