CN106696315A - Intelligent-monitored three-dimensional composite material pressure resistant gas cylinder and preparation method thereof - Google Patents
Intelligent-monitored three-dimensional composite material pressure resistant gas cylinder and preparation method thereof Download PDFInfo
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- CN106696315A CN106696315A CN201611143918.7A CN201611143918A CN106696315A CN 106696315 A CN106696315 A CN 106696315A CN 201611143918 A CN201611143918 A CN 201611143918A CN 106696315 A CN106696315 A CN 106696315A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/04—Protecting sheathings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/24—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in magnetic properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an intelligent-monitored three-dimensional composite material pressure resistant gas cylinder and a preparation method thereof, and relates to the field of novel composite material pressure resistant containers. The intelligent-monitored three-dimensional composite material pressure resistant gas cylinder comprises a metal liner layer, a plastic interface layer, a surface three-dimensional woven composite material layer and a medium access port, wherein the metal liner layer is an overall seamless structure; the plastic interface layer is positioned between the metal liner layer and the surface three-dimensional woven composite material layer, and is provided with a strain induction device in the thickness middle position; and the surface three-dimensional woven composite material layer is positioned on the outermost surface of the pressure resistant gas cylinder, includes a cylinder body section and a seal section, and is also provided with a strain induction device in the thickness middle or surface position. The pressure resistant gas cylinder eliminates interlayer mechanical weak points of a two-dimensional composite material, can monitor tiny deformation of different parts of the pressure resistant gas cylinder in the use process in real time, predicts the service life, and gives an alarm when meeting dangers.
Description
Technical field
The present invention relates to advanced composite material (ACM) pressure vessel field, a kind of intelligent monitoring three-dimensional composite material is particularly related to resistance to
Air bottle and preparation method thereof.
Background technology
Compared with traditional pressure vessel and medium reservoirs, the pressure vessel of composite material quality is lightweight, rigid good, resistance to
Burn into is stronger to the resistivity of external impacts, and the flexible design of external form can be carried out according to the requirement of working condition, with
Pressure vessel extensive alternative metals pressure vessel application and ship, automobile, health care, chemical industry of the composite for material
Deng in industry-by-industry.
Current composite material pressure container is mainly prepared using fiber two dimension winding process, and it is compound that this ring winds
Material fiber enhancing structure has the advantages that stronger resistance internal pressure, and the inside of pressure vessel is often embedded in metal sealing
Courage, overall characteristic hair can be therebetween found by metal and being used in mixed way for composite material quality in sealing and high intensity
The optimum process technology binding site waved.But from the point of view of the application of the composite material quality of two dimension winding, the mechanical property of interlayer
Weakness is gradually highlighted, and the destruction under the conditions of leakage or pressure-bearing in application process is produced in interlayer, therefore is changed
The two-dimensional fiber structure for becoming current ring winding is very necessary.
From the point of view of current application, the stability and the hair of mechanical characteristic of the resistance to air bottle of composite of three-dimensional braided structure
Wave and directly enhance its service life and pressure-resistant rank, with very huge application potential, but with application requirement not
The disconnected continuous expansion that can be improved with application field, will play the stability in use and quality of the resistance to air bottle of this three-dimensional braided structure
Homogeneity, it is necessary to the artesian condition and gas cylinder composite wood of the resistance to air bottle under different complex working conditions and during use
Expect that the emergent property of structure is monitored in real time, therefore be accomplished by carrying out work(to the resistance to air bottle structure of three-dimensional composite material structure
Characteristic modified and can be lifted, to reach the resistance to pressure condition of effective monitoring, and then reach prediction service life or danger warning
Purpose.
The content of the invention
The present invention provides a kind of resistance to air bottle of intelligent monitoring three-dimensional composite material and preparation method thereof, and the resistance to air bottle both disappeared
Except Two-dimensional Composites interlayer mechanics weak spot, again can during the resistance to air bottle use of monitor in real time different parts small shape
Variable, predicts the service life and danger warning of resistance to air bottle.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
A kind of resistance to air bottle of intelligent monitoring three-dimensional composite material, including metal inner tube layer, moulding boundary layer, surface three dimension are compiled
Woven composite layer and positioned at the medium gateway of gas cylinder one end, wherein：
The metal inner tube layer is integral seamless structure；
The moulding boundary layer is located at the centre of metal inner tube layer and surface three dimension woven composite layer, the modeling
Shape boundary layer is fiber-reinforced thermoplastic resin matrix composite, and the moulding boundary layer is provided with strain sensor, should
Strain sensor is arranged on the thickness centre position of moulding boundary layer；
The surface three dimension woven composite layer is located at the resistance to air bottle outmost surface, and the surface three dimension braiding is multiple
Condensation material layer includes shell portion and seal head section, and the surface three dimension woven composite layer is also equipped with strain sensor, should
Strain sensor is arranged in the middle of the thickness of the surface three dimension woven composite layer or surface location.
Further, the material of the metal inner tube layer is the one kind in stainless steel, aluminium alloy, titanium alloy, the metal
The outer surface of bladder layer is provided with screw-like channels, and the depth of the screw-like channels is 1~3mm, the strain sensor
It is the one or more combination in optical fiber, grating, magnetic grid, foil gauge, the quantity of the strain sensor is one or more.
Further, the shape and thickness of metal inner tube can be adjusted flexibly according to working condition and the requirement of pressure-resistant rank, gold
The thickness for belonging to bladder layer is 2~6mm, and the stack shell segment length is 0.5~3m, and the shell portion thickness is 5~10mm, the envelope
Head section length is 0.5~2m, and the seal head section thickness is 5~10mm.
A kind of preparation method of any of the above-described resistance to air bottle of intelligent monitoring three-dimensional composite material, it is characterised in that including
Following steps：
(1) preparation of metal inner tube：Then metal inner tube is prepared with metal material punch forming in metal inner tube outer surface
Screw-like channels；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：Fiber and resin matrix are mixed, is passed through
Mechanical agitation is well mixed；Moulding boundary layer is processed using injection molding technique, metal inner tube layer is fixed in a mold, together
When, strain sensor is fixed on the ad-hoc location of mold cavity, well mixed fibre resin is melted by injection moulding
Melt body is injected in mold cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and end socket
The processing of section two parts precast body；The preparation of shell portion is with certain proportion compound tree aliphatic radical by main fibre and auxiliary fiber
Body, three-dimensional preform is obtained by 3 D weaving, and secondary hardening is carried out by suture to precast body, is prepared in three-dimensional preform
Cheng Zhong, in its thickness centre position or the pre-buried strain sensor of surface location；The preparation of seal head section is by main fibre and auxiliary
Help fiber with certain proportion hybrid resin matrix, three-dimensional preform is obtained by 3 D weaving, combined in seal head section and shell portion
Edge be molded to fibrage technology using three-dimensional seven, in three-dimensional preformed production procedure, in its thickness centre position or
The pre-buried strain sensor of surface location；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, is imported by vacuum or RTM techniques are by three-dimensional
Precast body and resin carry out dipping and are combined, and the base substrate after being combined is by the shaping that is heating and curing；Finally post-processed.
Further, in the step (2), the fibre length be 10~50mm, the fiber include main fibre and
Auxiliary fiber, the main fibre be carbon fiber, the auxiliary fiber be silicon carbide fibre, alumina fibre, boron nitride fiber,
The weight ratio of the one kind in basalt fibre and glass fibre, the main fibre and auxiliary fiber is 4: 1~10: 1.
Further, in the step (2), resin content is 20~50% in the resin matrix of the moulding boundary layer,
Resin in the resin matrix is in polyurethane resin, polyvinyl resin, polyether-ether-ketone, polyformaldehyde, polypropylene and polyphenylene sulfide
One kind.
Further, in the step (3), in the shell portion and seal head section, main fibre is carbon fiber, and auxiliary is fine
Dimension is the one or more combination in aramid fiber, glass fibre, UHMWPE fibers, basalt fibre, silicon carbide fibre, institute
The weight ratio for stating main fibre and auxiliary fiber is 2: 1~10: 1；Resin contains in resin matrix in the shell portion and seal head section
It is 20~50% to measure, and the resin is the one kind in epoxy resin, phenolic resin and unsaturated polyester resin.
Further, in the step (3), the three-dimensional preform of the shell portion using three-dimensional four-way, three-dimensional five to, three
Dimension six to a kind of three-dimensional seven three-dimensional braided structure in；The three-dimensional preform of the seal head section using three-dimensional five to, it is three-dimensional
Six use three-dimensional seven to fibre to the edge connected with a kind of three-dimensional seven three-dimensional braided structure in, the seal head section and shell portion
Dimension knitting skill shaping.
Further, in the step (4), the heat cure forming process is first 70~80 using gradient temperature control
DEG C insulation 0.5~1h, afterwards rise high-temperature to 100~160 DEG C insulation 20min~2h；The post processing is to be acted on without external pressure
Under, it is put into baking oven and is heated to 80~110 DEG C, the time is 2~4h.
The invention has the advantages that：
In the present invention, 3 D weaving arrangement is used, the fibre of interlayer has been increased on the basis of control of two-dimensional braided technology
Dimension makes fibre structure have stereochemical structure on the thickness face of pressure cylinder through reinforcing, fine by the enhancing for being sewn to interlayer
Dimension effectively increases the composite structure globality on gas cylinder thickness direction, eliminates interlayer mechanics weak spot, meanwhile, in three-dimensional
Strain sensor is introduced in braiding structure, can the resistance to air bottle of monitor in real time different parts in use miniature deformation
Amount, to reach the purpose of prediction service life and danger warning.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the resistance to air bottle of intelligent monitoring three-dimensional composite material of the invention；
Wherein, 1：Metal inner tube layer；2：Moulding boundary layer；3：Surface three dimension woven composite layer；4：Medium gateway；
5：Strain sensor.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
On the one hand, the present invention provides a resistance to air bottle of intelligent monitoring three-dimensional composite material, as shown in figure 1, including in metal
Courage layer 1, moulding boundary layer 2, surface three dimension woven composite layer 3 and the medium gateway 4 positioned at gas cylinder one end, wherein：
Metal inner tube layer 1 is integral seamless structure；
Moulding boundary layer 2 is located at the centre of metal inner tube layer 1 and surface three dimension woven composite layer 3, is used to ensure two
Plant the dilatancy between material and cause interfacial detachment, moulding boundary layer 2 is fiber-reinforced thermoplastic resin matrix composite,
The thickness of moulding boundary layer 2 can be adjusted flexibly according to working condition and desired pressure-resistant rank, and moulding boundary layer 2 is provided with
Strain sensor 5, the strain sensor 5 is arranged on the thickness centre position of moulding boundary layer 2；
Surface three dimension woven composite layer 3 is located at resistance to air bottle outmost surface, and surface three dimension woven composite layer 3 is wrapped
Shell portion and seal head section are included, surface three dimension woven composite layer 3 is also equipped with strain sensor 5, the strain sensor 5
It is arranged in the middle of the thickness of surface three dimension woven composite layer 3 or surface location.
In the present invention, 3 D weaving arrangement is used, the fibre of interlayer has been increased on the basis of control of two-dimensional braided technology
Dimension makes fibre structure have stereochemical structure on the thickness face of pressure cylinder through reinforcing, fine by the enhancing for being sewn to interlayer
Dimension effectively increases the composite structure globality on gas cylinder thickness direction, eliminates interlayer mechanics weak spot, meanwhile, in three-dimensional
Strain sensor is introduced in braiding structure, can the resistance to air bottle of monitor in real time different parts in use miniature deformation
Amount, to reach the purpose of prediction service life and danger warning.
Preferably, the material of metal inner tube layer 1 is the one kind in stainless steel, aluminium alloy, titanium alloy, metal inner tube layer 1
Outer surface is provided with screw-like channels (not shown), and the depth of screw-like channels is 1~3mm, strain sensor 5 be optical fiber,
One or more combination in grating, magnetic grid, foil gauge, the quantity of strain sensor 5 is one or more.Screw-like channels
Be conducive to increasing boundary strength, strain sensor can suitably select its species according to actual conditions.
Further, the shape and thickness of metal inner tube can be adjusted flexibly according to working condition and the requirement of pressure-resistant rank, gold
The thickness for belonging to bladder layer 1 is 2~6mm, and the stack shell segment length is 0.5~3m, and the shell portion thickness is 5~10mm, described
End socket segment length is 0.5~2m, and the seal head section thickness is 5~10mm.
On the other hand, the present invention also provides a kind of preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material, including
Pre-buried, the surface three dimension woven composite layer of the preparation of metal inner tube, the preparation of moulding boundary layer and strain sensor
Processing and the introducing of strain sensor and heat cure shaping and post processing.
In the preparation of metal inner tube, metal inner tube is struck out with a kind of metal material in stainless steel, aluminium alloy, titanium alloy
Type, then prepares the screw-like channels that depth is 1~3mm in metal inner tube outer surface.
In the preparation of moulding boundary layer and the pre-buried of strain sensor, fiber and resin matrix are mixed, passed through
Mechanical agitation is well mixed；Moulding boundary layer is processed using injection molding technique, metal inner tube layer is fixed in a mold, together
When, strain sensor is fixed on the ad-hoc location of mold cavity, well mixed fibre resin is melted by injection moulding
Melt body is injected in die cavity, the cooling shaping simultaneously demoulding；Wherein, fibre length is 10~50mm, and fiber includes main fibre and auxiliary
Fiber is helped, main fibre is carbon fiber, and auxiliary fiber is silicon carbide fibre, alumina fibre, boron nitride fiber, basalt fibre
With the one kind in glass fibre, the weight ratio of main fibre and auxiliary fiber is 4: 1~10: 1, the resin matrix of moulding boundary layer
Middle resin content is 20~50%, and the resin in the resin matrix is polyurethane resin, polyvinyl resin, polyether-ether-ketone, poly- first
One kind in aldehyde, polypropylene and polyphenylene sulfide, strain sensor moulding boundary layer introducing form based on foil gauge,
Optical fiber, grating, magnetic grid are can select, its thickness centre position is synchronously imbedded, foil gauge quantity is equal along the outline of pressure vessel
Even distribution, is uniformly distributed along section ring.
In the processing of surface three dimension woven composite layer and being introduced into of strain sensor, including shell portion and seal head section
The processing of two parts precast body；The preparation of shell portion is by weight 2: 1~10: 1 compound tree by main fibre and auxiliary fiber
Aliphatic radical body, three-dimensional preform is obtained by 3 D weaving, three-dimensional preform using three-dimensional four-way, three-dimensional five to, three-dimensional six to
A kind of three-dimensional seven three-dimensional braided structure in, secondary hardening is carried out to precast body by suture, is prepared in three-dimensional preform
Cheng Zhong, in its thickness centre position or the pre-buried strain sensor of surface location；The preparation of seal head section is by main fibre and auxiliary
Help fiber with certain proportion hybrid resin matrix, three-dimensional preform is obtained by 3 D weaving, three-dimensional preform is using three-dimensional five
To, three-dimensional six to a kind of three-dimensional seven three-dimensional braided structure in, the edge combined in seal head section and shell portion is using three-dimensional
Seven to fibrage technology be molded, in three-dimensional preformed production procedure, its thickness centre position or surface location it is pre-buried should
Become induction installation；Wherein, in shell portion and seal head section, main fibre is carbon fiber, and auxiliary fiber is aramid fiber, glass
One or more combination in fiber, UHMWPE fibers, basalt fibre, silicon carbide fibre, resin in shell portion and seal head section
Resin content is 20~50% in matrix, and the resin is the one kind in epoxy resin, phenolic resin and unsaturated polyester resin, should
Become induction installation and foil gauge, optical fiber, grating, the pre-buried mode of magnetic grid are can select in surface three dimension woven composite layer, it is pre-buried
The processing of operation and surface three dimension woven composite layer synchronously carry out, pre-buried distribution character is consistent with moulding boundary layer, pre-buried position
Put and can be located in the middle of the thickness degree or surface location.
Heat cure be molded and post processing in, after middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, is imported by vacuum or RTM techniques are by three-dimensional
Precast body and resin carry out that dipping is compound, the base substrate after being combined using gradient temperature control, be first incubated 0.5 at 70~80 DEG C~
1h, rises high-temperature to 100~160 DEG C of insulation 20min~2h afterwards；Post processing is, in the case where being acted on without external pressure, to be put into baking oven heating
To 80~110 DEG C, the heat time is 2~4h.
Following examples further illustrate the feature and details of this technique, but listed process and data are not meant to this
The limitation of invention scope.
Embodiment 1：
A kind of specific preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material, step is as follows：
(1) preparation of metal inner tube：Metal inner tube carries out punch forming by material of stainless steel, and metal inner tube thickness is
5mm, after metal inner tube shaping, it is the screw-like channels of 1mm to prepare depth in its outer surface；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：The content is used to be for 40% polyurethane resin
Resin matrix, is mixed with fiber, well mixed by mechanical agitation, and average fiber length is 10mm, and fiber includes main body
Fiber and auxiliary fiber, main fibre are carbon fiber, and auxiliary fiber is the weight of silicon carbide fibre, carbon fiber and silicon carbide fibre
Than being 4: 1；Moulding boundary layer is processed using injection molding technique, stainless steel inner container is fixed in a mold, while by foil gauge
The ad-hoc location of mold cavity is fixed on, above-mentioned well mixed fibre resin molten mass is injected to by mould by injection moulding
In die cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and end socket
The processing of section two parts precast body；The preparation of shell portion be by main fibre carbon fiber and auxiliary fiber aramid fiber by weight
2: 1 hybrid resin matrixes, the resin matrix is the epoxy resin that content is 30%, is woven by three-dimensional four-way weaving three-dimensional
Precast body, secondary hardening is carried out after three-dimensional preformed is body formed by suture, and the thickness of shell portion is 8mm, in three-dimensional preform
Preparation process in it is uniform along the outline of the container of resistance to air bottle in the pre-buried foil gauge in its thickness 4mm positions, foil gauge quantity
Distribution, its stack shell segment length is 1m, and one group of foil gauge is imbedded per 20cm, is uniformly distributed along section ring, average mark in section
Cloth imbeds 5 foil gauges；The preparation of seal head section is that main fibre carbon fiber and auxiliary fiber glass fibre are mixed by weight 3: 1
Resin matrix, the resin matrix is the epoxy resin that content is 30%, by three-dimensional velocity field craft woven three-dimensional preformed
Body, the edge that seal head section is combined with shell portion is molded using three-dimensional seven to fibrage technology, and the thickness of seal head section is 8mm,
In the pre-buried foil gauge in its thickness 4mm positions in the preparation process of three-dimensional preform, foil gauge quantity is along the container of resistance to air bottle
Outline is uniformly distributed, and its end socket segment length is 1m, and one group of foil gauge is imbedded per 20cm, is uniformly distributed along section ring, is cut
5 foil gauges of embedment are evenly distributed in face；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, by vacuum introducing technology by three-dimensional preform
Dipping is carried out with resin to be combined, by the shaping that is heating and curing, solidification process uses gradient increased temperature technique to the base substrate after being combined, first
30min is incubated at 80 DEG C, 130 DEG C of insulation 2h are warming up to afterwards；Finally post-processed, in the case where being acted on without external pressure, be put into baking oven
80 DEG C are heated to, the time is 2h.
Embodiment 2：
A kind of specific preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material, step is as follows：
(1) preparation of metal inner tube：Metal inner tube carries out punch forming by material of aluminium alloy, and metal inner tube thickness is
4mm, after metal inner tube shaping, it is the screw-like channels of 1mm to prepare depth in its outer surface；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：The content is used to be for 40% acrylic resin
Resin matrix, is mixed with fiber, well mixed by mechanical agitation, and average fiber length is 20mm, and fiber includes main body
Fiber and auxiliary fiber, main fibre are carbon fiber, and auxiliary fiber is the weight of alumina fibre, carbon fiber and alumina fibre
Than being 5: 1；Moulding boundary layer is processed using injection molding technique, aluminium alloy inner container is fixed in a mold, while by foil gauge
The ad-hoc location of mold cavity is fixed on, above-mentioned well mixed fibre resin molten mass is injected to by mould by injection moulding
In die cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and end socket
The processing of section two parts precast body；The preparation of shell portion be by main fibre carbon fiber and auxiliary fiber UHMWPE fibers by weight
Than 3: 1 hybrid resin matrixes, the resin matrix is the epoxy resin that content is 30%, and three are woven to weaving by three-dimensional five
Dimension precast body, secondary hardening is carried out after three-dimensional preformed is body formed by suture, and the thickness of shell portion is 9mm, in three-dimensional preformed
In the pre-buried foil gauge in its thickness 4.5mm positions in the preparation process of body, foil gauge quantity along the container of resistance to air bottle outline
It is uniformly distributed, its stack shell segment length is 1.5m, and one group of foil gauge is imbedded per 20cm, is uniformly distributed along section ring, in section
It is evenly distributed 6 foil gauges of embedment；The preparation of seal head section is by weight by main fibre carbon fiber and auxiliary fiber basalt fibre
Amount compares 3: 1 hybrid resin matrixes, and the resin matrix is the epoxy resin that content is 30%, by three-dimensional velocity field craft woven
Three-dimensional preform, the edge that seal head section is combined with shell portion is molded using three-dimensional seven to fibrage technology, the thickness of seal head section
It is 9mm, in the pre-buried foil gauge in its thickness 4.5mm positions in the preparation process of three-dimensional preform, foil gauge quantity is along pressure-resistant
The outline of gas cylinder container is uniformly distributed, and its end socket segment length is 1.5m, one group of foil gauge is imbedded per 20cm, along section ring
It is uniformly distributed, 6 foil gauges of embedment is evenly distributed in section；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, by RTM techniques by three-dimensional preform and tree
Fat carries out dipping and is combined, and by the shaping that is heating and curing, solidification process uses gradient increased temperature technique to the base substrate after being combined, first 80
DEG C insulation 1h, be warming up to afterwards 130 DEG C insulation 1h；Finally post-processed, in the case where being acted on without external pressure, be put into baking oven and be heated to
100 DEG C, the time is 2h.
Embodiment 3：
A kind of specific preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material, step is as follows：
(1) preparation of metal inner tube：Metal inner tube carries out punch forming by material of titanium alloy, and metal inner tube thickness is
3mm, after metal inner tube shaping, it is the screw-like channels of 1mm to prepare depth in its outer surface；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：Use content for 30% polyphenylene sulfide
It is resin matrix, is mixed with fiber, well mixed by mechanical agitation, average fiber length is 20mm, and fiber includes master
Body fiber and auxiliary fiber, main fibre are carbon fiber, and auxiliary fiber is the weight of basalt fibre, carbon fiber and basalt fibre
Amount is than being 5: 1；Moulding boundary layer is processed using injection molding technique, titanium alloy inner bag is fixed in a mold, while will strain
Piece is fixed on the ad-hoc location of mold cavity, and above-mentioned well mixed fibre resin molten mass is injected into mould by injection moulding
In tool die cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and end socket
The processing of section two parts precast body；The preparation of shell portion be by main fibre carbon fiber and auxiliary fiber aramid fiber by weight
2: 1 hybrid resin matrixes, the resin matrix is the phenolic resin that content is 20%, is woven by three-dimensional four-way weaving three-dimensional
Precast body, the thickness of shell portion is 6mm, and light is introduced in the yarn of its thickness surface position in three-dimensional preformed production procedure
Fibre, secondary hardening is carried out after three-dimensional preformed is body formed by suture；The preparation of seal head section is by main fibre carbon fiber and auxiliary
Help fiberglass fiber by weight 10: 1 hybrid resin matrixes, the resin matrix is the phenolic resin that content is 40%, is passed through
Three-dimensional velocity field craft woven three-dimensional preform, the thickness of seal head section is 6mm, thick at it in three-dimensional preformed production procedure
Introduce optical fiber in the yarn for spending surface location, edge that seal head section is combined with shell portion use three-dimensional seven to fibrage technology into
Type；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, by vacuum introducing technology by three-dimensional preform
Dipping is carried out with resin to be combined, by the shaping that is heating and curing, solidification process uses gradient increased temperature technique to the base substrate after being combined, first
1h is incubated at 80 DEG C, 140 DEG C of insulation 30min are warming up to afterwards；Finally post-processed, in the case where being acted on without external pressure, be put into baking oven
110 DEG C are heated to, the time is 2h.
Embodiment 4：
A kind of specific preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material, step is as follows：
(1) preparation of metal inner tube：Metal inner tube carries out punch forming by material of aluminium alloy, and metal inner tube thickness is
4mm, after metal inner tube shaping, it is the screw-like channels of 1.5mm to prepare depth in its outer surface；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：The content is used to be for 35% acrylic resin
Resin matrix, is mixed with fiber, well mixed by mechanical agitation, and average fiber length is 22mm, and fiber includes main body
Fiber and auxiliary fiber, main fibre are carbon fiber, and auxiliary fiber is the weight of silicon carbide fibre, carbon fiber and silicon carbide fibre
Than being 5: 1；Moulding boundary layer is processed using injection molding technique, aluminium alloy inner container is fixed in a mold, while by foil gauge
The ad-hoc location of mold cavity is fixed on, above-mentioned well mixed fibre resin molten mass is injected to by mould by injection moulding
In die cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and end socket
The processing of section two parts precast body；The preparation of shell portion be by main fibre carbon fiber and auxiliary fiber silicon carbide fibre by weight
Than 4: 1 hybrid resin matrixes, the resin matrix is the epoxy resin that content is 50%, and three are woven by three-dimensional four-way weaving
Dimension precast body, secondary hardening is carried out after three-dimensional preformed is body formed by suture, and the thickness of shell portion is 8mm, in three-dimensional preformed
In the pre-buried foil gauge in its thickness 4mm positions in the preparation process of body, foil gauge quantity is equal along the outline of the container of resistance to air bottle
Even distribution, its stack shell segment length is 2m, and one group of foil gauge is imbedded per 25cm, is uniformly distributed along section ring, average in section
Distribution 4 foil gauges of embedment；The preparation of seal head section is by weight 6: 1 by main fibre carbon fiber and auxiliary fiber aramid fiber
Hybrid resin matrix, the resin matrix is the epoxy resin that content is 30%, three-dimensional pre- by three-dimensional velocity field craft woven
Body processed, the edge that seal head section is combined with shell portion is molded using three-dimensional seven to fibrage technology, and the thickness of seal head section is 8mm,
In the pre-buried foil gauge in its thickness 4mm positions in the preparation process of three-dimensional preform, foil gauge quantity is along the container of resistance to air bottle
Outline be uniformly distributed, its end socket segment length be 1m, per 20cm imbed one group of foil gauge, be uniformly distributed along section ring,
6 foil gauges of embedment are evenly distributed in section；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by shell portion and seal head section
Three-dimensional preform with strain sensor is placed in the surface of moulding boundary layer, by RTM techniques by three-dimensional preform and tree
Fat carries out dipping and is combined, and by the shaping that is heating and curing, solidification process uses gradient increased temperature technique to the base substrate after being combined, first 75
DEG C insulation 50mim, be warming up to afterwards 125 DEG C insulation 2h；Finally post-processed, in the case where being acted on without external pressure, be put into baking oven heating
To 90 DEG C, the time is 2h.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of resistance to air bottle of intelligent monitoring three-dimensional composite material, it is characterised in that including metal inner tube layer, moulding boundary layer,
Surface three dimension woven composite layer and positioned at the medium gateway of gas cylinder one end, wherein：
The metal inner tube layer is integral seamless structure；
The moulding boundary layer is located at the centre of metal inner tube layer and surface three dimension woven composite layer, the moulding boundary
Surface layer is fiber-reinforced thermoplastic resin matrix composite, and the moulding boundary layer is provided with strain sensor, the strain
Induction installation is arranged on the thickness centre position of moulding boundary layer；
The surface three dimension woven composite layer is located at the resistance to air bottle outmost surface, and the surface three dimension weaves composite wood
The bed of material includes shell portion and seal head section, and the surface three dimension woven composite layer is also equipped with strain sensor, the strain
Induction installation is arranged in the middle of the thickness of the surface three dimension woven composite layer or surface location.
2. the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 1, it is characterised in that the metal inner tube
The material of layer is the one kind in stainless steel, aluminium alloy, titanium alloy, and the outer surface of the metal inner tube layer is provided with shape of threads ditch
Groove, the depth of the screw-like channels is 1~3mm, and the strain sensor is in optical fiber, grating, magnetic grid, foil gauge
Plant or several combinations, the quantity of the strain sensor is one or more.
3. the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 1, it is characterised in that the metal inner tube
The thickness of layer is 2~6mm, and the stack shell segment length is 0.5~3m, and the shell portion thickness is 5~10mm, the end socket segment length
It is 0.5~2m to spend, and the seal head section thickness is 5~10mm.
4. the preparation method of any described resistance to air bottles of intelligent monitoring three-dimensional composite material of claim 1-3, it is characterised in that
Comprise the following steps：
(1) preparation of metal inner tube：Then metal inner tube prepares screw thread with metal material punch forming in metal inner tube outer surface
Shape groove；
(2) preparation of moulding boundary layer and strain sensor is pre-buried：Fiber and resin matrix are mixed, by machinery
It is uniformly mixed；Moulding boundary layer is processed using injection molding technique, metal inner tube layer is fixed in a mold, meanwhile, will
Strain sensor is fixed on the ad-hoc location of mold cavity, is noted well mixed fibre resin molten mass by injection moulding
It is incident upon in mold cavity, the cooling shaping simultaneously demoulding；
(3) processing of surface three dimension woven composite layer and the introducing of strain sensor：Including shell portion and seal head section two
The processing of partial precast body；The preparation of shell portion is, with certain proportion hybrid resin matrix, to lead to main fibre and auxiliary fiber
Cross 3 D weaving and obtain three-dimensional preform, secondary hardening is carried out by suture to precast body, in three-dimensional preformed production procedure,
In its thickness centre position or the pre-buried strain sensor of surface location；The preparation of seal head section is by main fibre and auxiliary fiber
With certain proportion hybrid resin matrix, three-dimensional preform is obtained by 3 D weaving, at the edge that seal head section and shell portion are combined
It is molded to fibrage technology using three-dimensional seven, in three-dimensional preformed production procedure, in its thickness centre position or surface position
Put pre-buried strain sensor；
(4) heat cure shaping and post processing：After middle moulding boundary layer is prepared and finished, by carrying for shell portion and seal head section
The three-dimensional preform of strain sensor is placed in the surface of moulding boundary layer, is imported by vacuum or RTM techniques are by three-dimensional preformed
Body and resin carry out dipping and are combined, and the base substrate after being combined is by the shaping that is heating and curing；Finally post-processed.
5. the preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 4, it is characterised in that institute
State in step (2), the fibre length is 10~50mm, the fiber includes main fibre and auxiliary fiber, and the main body is fine
It is carbon fiber to tie up, and the auxiliary fiber is silicon carbide fibre, alumina fibre, boron nitride fiber, basalt fibre and glass fibers
The weight ratio of the one kind in dimension, the main fibre and auxiliary fiber is 4: 1~10: 1.
6. the preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 4, it is characterised in that institute
State in step (2), resin content is 20~50% in the resin matrix of the moulding boundary layer, the resin in the resin matrix is
One kind in polyurethane resin, polyvinyl resin, polyether-ether-ketone, polyformaldehyde, polypropylene and polyphenylene sulfide.
7. the preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 4, it is characterised in that institute
State in step (3), in the shell portion and seal head section, main fibre is carbon fiber, and auxiliary fiber is aramid fiber, glass
One or more combination in fiber, UHMWPE fibers, basalt fibre, silicon carbide fibre, the main fibre and auxiliary are fine
The weight ratio of dimension is 2: 1~10: 1；Resin content is 20~50%, the resin in resin matrix in the shell portion and seal head section
It is the one kind in epoxy resin, phenolic resin and unsaturated polyester resin.
8. the preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 4, it is characterised in that institute
In stating step (3), the three-dimensional preform of the shell portion using three-dimensional four-way, three-dimensional five to, three-dimensional six to three-dimensional seven in
A kind of three-dimensional braided structure；The three-dimensional preform of the seal head section using three-dimensional five to, three-dimensional six to three-dimensional seven in
The edge of a kind of three-dimensional braided structure, the seal head section and shell portion connection is molded using three-dimensional seven to fibrage technology.
9. the preparation method of the resistance to air bottle of intelligent monitoring three-dimensional composite material according to claim 4, it is characterised in that institute
State in step (4), the heat cure forming process is first incubated 0.5~1h, Zhi Housheng using gradient temperature control at 70~80 DEG C
High-temperature to 100~160 DEG C insulation 20min~2h；The post processing be in the case where being acted on without external pressure, be put into baking oven be heated to 80~
110 DEG C, the time is 2~4h.
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