CN206572205U - The pressure-resistant gas cylinder of intelligent two dimension carbon fibre composite - Google Patents

The pressure-resistant gas cylinder of intelligent two dimension carbon fibre composite Download PDF

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CN206572205U
CN206572205U CN201621362207.4U CN201621362207U CN206572205U CN 206572205 U CN206572205 U CN 206572205U CN 201621362207 U CN201621362207 U CN 201621362207U CN 206572205 U CN206572205 U CN 206572205U
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shell portion
sensor
seal head
head section
pressure
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朱波
于宽
曹伟伟
王永伟
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Shandong University
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Shandong University
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Abstract

The utility model discloses a kind of pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite, it is related to advanced composite material (ACM) pressure vessel field.The pressure-resistant gas cylinder of intelligent two dimension carbon fibre composite, includes the linkage section of shell portion, seal head section and connection shell portion and seal head section, wherein:The shell portion is two-dimensional helical winding layer, and the centre of the shell portion or outer surface position are provided with equally distributed first sensor;The seal head section is also two-dimensional helical winding layer, and the centre of the seal head section or outer surface position are provided with equally distributed second sensor;The linkage section is connected the shell portion and seal head section by the control of two-dimensional braided laminated construction of longitudinal direction suture, and the centre of the linkage section or outer surface position are provided with 3rd sensor.The utility model energy effective monitoring composite pressure-resistance structure state, realizes the life prediction and working condition tracking to the resistance to air bottle of composite.

Description

The pressure-resistant gas cylinder of intelligent two dimension carbon fibre composite
Technical field
The utility model is related to advanced composite material (ACM) pressure vessel field, particularly relates to a kind of intelligent two-dimentional carbon fiber and answers The resistance to air bottle of condensation material.
Background technology
The resistance to air bottle of carbon fibre composite has good lightweight, corrosion-resistant, rigidity, pressure-resistant stability height, designability The comprehensive advantage such as strong, has a wide range of applications in fields such as media storage, communications and transportation.The resistance to air bottle of current composite holds The making of device is mainly used after high-performance carbon fibre impregnating resin, and fiber preform structure is prepared by two-dimentional winding, and it is thick Degree direction is mainly two-dimensional fiber arrangement, then prepares composite by heat cure shaping.
The pressure of traditional composites gas cylinder requires harsh, it is desirable to which the different composition structures of composites gas cylinder are equal The pressure of working condition requirement is born, while ensureing there is certain service life.Will in composite fiber winding process Reach that prediction of the structure to pressure-resistant working condition is more unrealistic, this is also matter in the resistance to air bottle application process of current composite A unstable key factor of amount.
Utility model content
The utility model provides a kind of intelligent two-dimentional carbon fibre composite pressure-resistant gas cylinder, and the resistance to air bottle can be supervised effectively Composite pressure-resistance structure state is controlled, life prediction and working condition tracking to the resistance to air bottle of composite is realized.
In order to solve the above technical problems, the utility model offer technical scheme is as follows:
A kind of intelligent two-dimentional pressure-resistant gas cylinder of carbon fibre composite, including shell portion, seal head section and connection shell portion and The linkage section of seal head section, wherein:
The shell portion is two-dimensional helical winding layer, and the shell portion is provided with equally distributed first sensor, described First sensor is embedded to centre or the outer surface position of the shell portion;
The seal head section is also two-dimensional helical winding layer, and the seal head section is provided with equally distributed second sensor, institute State centre or outer surface position that second sensor is embedded to the seal head section;
The linkage section is connected the shell portion and seal head section by the control of two-dimensional braided laminated construction of longitudinal direction suture, described Linkage section is provided with 3rd sensor, and the 3rd sensor is embedded to centre or the outer surface position of the linkage section.
Further, the first sensor and second sensor be one kind in optical fiber, grating, magnetic grid, foil gauge or Several combinations, the 3rd sensor combines for one or both of optical fiber or foil gauge, and the first sensor, second pass The quantity of sensor and 3rd sensor is one or more.
Further, the two-dimensional helical winding layer is made up of main fibre and auxiliary fiber;The external diameter of the shell portion Size is 5~30cm, and the thickness of the shell portion is 5~40mm, and the length of the shell portion is 0.5~3m;The seal head section Height be 10~40cm, the seal head section thickness be 5~40mm;The length of the linkage section is 20~40cm.
Further, the usage amount of the main fibre of the two-dimensional helical winding layer of the shell portion is described more than 80% Main fibre is carbon fiber, and auxiliary fiber is one in silicon carbide fibre, alumina fibre, boron nitride fiber, basalt fibre Plant or several combinations.
Further, the usage amount of the main fibre of the two-dimensional helical winding layer of the seal head section is described more than 80% Main fibre is carbon fiber, and the auxiliary fiber is the one or more in aramid fiber, UHMWPE fibers and basalt fibre Combination.
The utility model has the advantages that:
In the utility model, resistance to air bottle mixes the two-dimentional winding arrangement of composition, tool using carbon fiber and other composites There are the overall merits such as lightweight, corrosion-resistant, rigidity is good, pressure-resistant stability is high, designability is strong;In the winding arrangement of resistance to air bottle Different-thickness position be embedded to one or more groups of strain transducers, under the conditions of complex pressure, the strain transducer of resistance to air bottle The minor variations of inducting-voltage proof gas cylinder diverse location, so as to predict the artesian condition of gas cylinder, and then predict use state and In the life-span, pressure-bearing limiting condition is given warning in advance, effectively improve the service life kimonos of the resistance to air bottle of carbon fibre composite Use as a servant stability.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite of the present utility model;
Wherein, 1:Shell portion;2:Seal head section;3:Linkage section;4:First sensor;5:Second sensor;6:3rd sensing Device.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And specific embodiment is described in detail.
On the one hand, the utility model provides a kind of intelligent two-dimentional carbon fibre composite pressure-resistant gas cylinder, as shown in figure 1, Including, the linkage section 3 of shell portion 1, seal head section 2 and connection shell portion 1 and seal head section 2, wherein:
Shell portion 1 is two-dimensional helical winding layer, and shell portion 1 is provided with equally distributed first sensor 4, first sensor The centre of 4 embedment shell portions 1 or outer surface position;
Seal head section 2 is also two-dimensional helical winding layer, and seal head section 2 is provided with equally distributed second sensor 5, the second sensing The centre of the embedment seal head section 2 of device 5 or outer surface position;
Linkage section 3 is connected shell portion 1 and seal head section 2 by the control of two-dimensional braided laminated construction of longitudinal direction suture, and linkage section 3 is set It is equipped with 3rd sensor 6, the centre of the embedment linkage section 3 of 3rd sensor 6 or outer surface position.
In the utility model, resistance to air bottle mixes the two-dimentional winding arrangement of composition, tool using carbon fiber and other composites There are the overall merits such as lightweight, corrosion-resistant, rigidity is good, pressure-resistant stability is high, designability is strong;In the winding arrangement of resistance to air bottle Different-thickness position be embedded to one or more groups of strain transducers, under the conditions of complex pressure, the strain transducer of resistance to air bottle The minor variations of inducting-voltage proof gas cylinder diverse location, so as to predict the artesian condition of gas cylinder, and then predict use state and In the life-span, pressure-bearing limiting condition is given warning in advance, effectively improve the service life kimonos of the resistance to air bottle of carbon fibre composite Use as a servant stability.
It is preferred that, first sensor 4 and second sensor 5 are the one or more in optical fiber, grating, magnetic grid, foil gauge Combination, 3rd sensor 6 is the combination of one or both of optical fiber or foil gauge, first sensor 4, second sensor 5 and the The quantity of three sensors 6 can be adjusted flexibly according to the use requirement of resistance to air bottle, be one or more.
Further, two-dimensional helical winding layer is made up of main fibre and auxiliary fiber;The external diameter of shell portion 1 can be according to resistance to The size of air bottle is adjusted flexibly, preferably 5~30cm, and the thickness of shell portion 1 is 5~40mm, and the length of shell portion 1 is 0.5 ~3m;The height of seal head section 2 is 10~40cm, and the thickness of seal head section 2 is 5~40mm;The length of linkage section 3 is 20~40cm.Close Suitable resistance to air bottle size can preferably play its function.
On the other hand, the utility model also provides a kind of preparation side of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite Method, including the preparation of shell portion, the preparation of seal head section, the preparation of linkage section and pre-soaking fiber precursor structure are solidified into Type.
In the preparation of shell portion, main fibre and auxiliary fiber are synchronously impregnated into compound resin, main fibre and auxiliary are fine Dimension by a certain percentage, certain winding angle two-dimensional helical winding layer is prepared on core matrix;Prepare Two-dimensional Carbon fiber winding layer While, in the centre of the thickness of two-dimensional helical winding layer or outer surface position embedment first sensor, obtain resistance to air bottle Shell portion;It is preferred that, the usage amount of the main fibre of two-dimensional helical winding layer is more than 80%, and principal fiber is carbon fiber, auxiliary Fiber is the one or more combination in silicon carbide fibre, alumina fibre, boron nitride fiber, basalt fibre;Its compound tree The gel content of fat is between 20~50%, and the compound resin is epoxy resin, phenolic resin, unsaturated polyester resin, poly- ammonia tree One or more combination in the thermoplasticity such as fat, polyvinyl resin or thermosetting resin;Spiral winding technique is along shell portion Axis profile is carried out, and the thickness of spiral wound is 5~10cm, and its winding angle is 5~90 °.
In the preparation of seal head section, main fibre and auxiliary fiber are synchronously impregnated into compound resin, main fibre and auxiliary are fine Dimension by a certain percentage, certain winding angle two-dimensional helical winding layer is prepared on core matrix;Prepare the two-dimensional helical winding layer While, in the centre of the two-dimensional helical winding layer or outer surface position embedment second sensor, obtain the end socket of resistance to air bottle Section;Wherein, the usage amount of the principal fiber of the two-dimensional helical winding layer of seal head section is more than 80%, and principal fiber is carbon fiber, auxiliary Fiber is the one or more combination in aramid fiber, UHMWPE fibers and basalt fibre;The gel content of its compound resin exists Between 20~50%, compound resin is epoxy resin, phenolic resin, unsaturated polyester resin, polyurethane, polyvinyl resin etc. One or more combination in thermoplasticity or thermosetting resin;Axis profile of the spiral winding technique along seal head section is carried out, spiral shell The thickness for revolving winding layer is 5~10cm, and its winding angle is 5~90 °;Second sensor can select optical fiber, can be fine with seal head section Dimension, which mixes to synchronize, winds pre-buried, and grating, magnetic grid or foil gauge are embedded in special fiber winding position.
In the preparation of linkage section, using spiral wound edge and the spiral of seal head section of the control of two-dimensional braided technique to shell portion The laminated construction at winding layer edge is attached, and forms overall by longitudinal direction suture between lamination;, will while longitudinally suture 3rd sensor is introduced into suture texture with fiber hybrid, obtains precast body impregnation composite construction;Wherein, the yarn of longitudinal direction suture Including carbon fiber and other fibers, other fibers are one kind of aramid fiber, UHMWPE fibers, basalt fibre and glass fibre Or multiple combinations, the ratio of carbon fiber and other fibers is 5:1~10:1;3rd sensor can select optical fiber or foil gauge, can , also can be by foil gauge embedded suture while optical fiber is used with fiber hybrid used in linkage section and being introduced into interlayer suture texture The interior thickness position or the outer surface of link position of structure.
In the curing molding of pre-soaking fiber precursor structure, the precast body impregnation composite construction of above-mentioned preparation is placed in solidification It is heating and curing in stove, solidification temperature is 120~140 DEG C, hardening time is 1~3h, also can be according to resinous type and curing properties It is adjusted flexibly, the product stripping after solidification and after-treatment is molded.
Following examples further illustrate the feature and details of this technique, but listed process and data are not meant to this The limitation of utility model scope.
Embodiment 1:
A kind of specific preparation method of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite, step is as follows:
(1) preparation of shell portion:Mixed using T700 carbon fibers and silicon carbide fibre and prepare the two-dimensional helical of shell portion and twine The weight ratio of winding layer, T700 carbon fibers and silicon carbide fibre is 5:1, in the preamble epoxy resin-impregnated of assorted fibre winding, Gel content control is 40%, and spiral winding angle is 20 °, and the external diameter of the shell portion finally prepared is 10cm, the thickness of shell portion For 1cm, the length of shell portion is 1m, is incorporated in shell portion using optical fiber in above-mentioned assorted fibre and synchronizes winding;
(2) preparation of seal head section:T300 carbon fibers are used to compare 4 with aramid fiber with weight:1 mixes, using epoxy resin Assorted fibre is impregnated, gel content control is 30%, and spiral winding angle is 30 °, the height of final seal head section is 25cm, seal head section Thickness be 1cm, above-mentioned assorted fibre is incorporated to using optical fiber in seal head section and synchronizes winding;
(3) preparation of linkage section:Using T700 carbon fibers and UHMWPE fiber hybrids, sutured using control of two-dimensional braided plus interlayer Technology is attached, and the length of linkage section is 30cm, and the ratio that mixes of T700 carbon fibers and UHMWPE fibers is 5:1, from light Fibre is introduced into the suture texture of above-mentioned assorted fibre, obtains precast body impregnation composite construction;
(4) curing molding of pre-soaking fiber precursor structure:Step (3) is obtained into precast body impregnation composite construction to be placed in admittedly Change and be heating and curing in stove, solidification temperature is 120 DEG C, and hardening time is 2h, by the product stripping finally solidified and secondary place Reason shaping.
Embodiment 2:
A kind of specific preparation method of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite, step is as follows:
(1) preparation of shell portion:Mixed using T700 carbon fibers and alumina fibre and prepare the two-dimensional helical of shell portion and twine The weight ratio of winding layer, T700 carbon fibers and alumina fibre is 4:1, in the preamble impregnated phenolic resin of assorted fibre winding, Gel content control is 20%, and spiral winding angle is 20 °, and the external diameter of the shell portion finally prepared is 10cm, the thickness of shell portion For 2cm, the length of shell portion is 1m, is incorporated in shell portion using optical fiber in above-mentioned assorted fibre and synchronizes winding;
(2) preparation of seal head section:Use T700 carbon fibers to be tieed up with basalt and compare 4 with weight:1 mixes, poly- using unsaturation Ester resin impregnates assorted fibre, and gel content control is 25%, and spiral winding angle is 20 °, and the height of final seal head section is 20cm, The thickness of seal head section is 2cm, is incorporated to above-mentioned assorted fibre using optical fiber in seal head section and synchronizes winding;
(3) preparation of linkage section:Using T700 carbon fibers and glass fiber hybrid, skill is sutured using control of two-dimensional braided plus interlayer Art is attached, and the length of linkage section is 32cm, and the ratio that mixes of T700 carbon fibers and glass fibre is 6:1, drawn from optical fiber In the suture texture for entering above-mentioned assorted fibre, precast body impregnation composite construction is obtained;
(4) curing molding of pre-soaking fiber precursor structure:Step (3) is obtained into precast body impregnation composite construction to be placed in admittedly Change and be heating and curing in stove, solidification temperature is 140 DEG C, and hardening time is 1h, by the product stripping finally solidified and secondary place Reason shaping.
Embodiment 3:
A kind of specific preparation method of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite, step is as follows:
(1) preparation of shell portion:Mixed using T300 carbon fibers and boron nitride fiber and prepare the two-dimensional helical of shell portion and twine The weight ratio of winding layer, T300 carbon fibers and boron nitride fiber is 6:1, in the preamble impregnating polyurethane tree of assorted fibre winding Fat, gel content control is 30%, and spiral winding angle is 30 °, and the external diameter of the shell portion finally prepared is 10cm, the thickness of shell portion Spend for 2cm, the length of shell portion is 1m, in the thickness centre position of the two-dimensional helical winding layer of shell portion, alongst Every 20cm embedded strain gauge sensors, strain-ga(u)ge transducer is uniformly distributed along section circle with 60 ° for interval;
(2) preparation of seal head section:T700 carbon fibers are used to compare 4 with aramid fiber with weight:1 mixes, using epoxy resin Assorted fibre is impregnated, gel content control is 30%, and spiral winding angle is 40 °, the height of final seal head section is 25cm, seal head section Thickness be 2cm, in the centre position of seal head section thickness, along outline embedded strain gauge sensor, pre-buried foil gauge is passed Sensor is uniformly distributed along section circle with 60 ° for interval;
(3) preparation of linkage section:Mixed using T700 carbon fibers and basalt fibre, sutured using control of two-dimensional braided plus interlayer Technology is attached, and the length of linkage section is 33cm, and the ratio that mixes of T700 carbon fibers and basalt fibre is 7:1, from light Fibre is introduced into the suture texture of above-mentioned assorted fibre, obtains precast body impregnation composite construction;
(4) curing molding of pre-soaking fiber precursor structure:Step (3) is obtained into precast body impregnation composite construction to be placed in admittedly Change and be heating and curing in stove, solidification temperature is 120 DEG C, and hardening time is 3h, by the product stripping finally solidified and secondary place Reason shaping.
Embodiment 4:
A kind of specific preparation method of the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite, step is as follows:
(1) preparation of shell portion:Mixed using T800 carbon fibers and basalt fibre and prepare the two-dimensional helical of shell portion and twine The weight ratio of winding layer, T800 carbon fibers and basalt fibre is 5:1, in the preamble epoxy resin-impregnated of assorted fibre winding, Gel content control is 35%, and spiral winding angle is 45 °, and the external diameter of the shell portion finally prepared is 15cm, the thickness of shell portion For 3cm, the length of shell portion is 2m, is incorporated in shell portion using optical fiber in above-mentioned assorted fibre and synchronizes winding;
(2) preparation of seal head section:T700 carbon fibers are used to compare 5 with aramid fiber with weight:1 mixes, using epoxy resin Assorted fibre is impregnated, gel content control is 40%, and spiral winding angle is 40 °, the height of final seal head section is 25cm, seal head section Thickness be 3cm, above-mentioned assorted fibre is incorporated to using optical fiber in seal head section and synchronizes winding;
(3) preparation of linkage section:Using T700 carbon fibers and UHMWPE fiber hybrids, sutured using control of two-dimensional braided plus interlayer Technology is attached, and the length of linkage section is 30cm, and the ratio that mixes of T700 carbon fibers and UHMWPE fibers is 5:1, from light Fibre is introduced into the suture texture of above-mentioned assorted fibre, obtains precast body impregnation composite construction;
(4) curing molding of pre-soaking fiber precursor structure:Step (3) is obtained into precast body impregnation composite construction to be placed in admittedly Change and be heating and curing in stove, solidification temperature is 120 DEG C, and hardening time is 2h, by the product stripping finally solidified and secondary place Reason shaping.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement Protection domain of the present utility model is also should be regarded as with retouching.

Claims (3)

1. the pressure-resistant gas cylinder of a kind of intelligent two-dimentional carbon fibre composite, it is characterised in that including shell portion, seal head section and connection The linkage section of shell portion and seal head section, wherein:
The shell portion is two-dimensional helical winding layer, and the shell portion is provided with equally distributed first sensor, described first Sensor is embedded to centre or the outer surface position of the shell portion;
The seal head section is also two-dimensional helical winding layer, and the seal head section is provided with equally distributed second sensor, described the Two sensors are embedded to centre or the outer surface position of the seal head section;
The linkage section is connected the shell portion and seal head section by the control of two-dimensional braided laminated construction of longitudinal direction suture, the connection Section is provided with 3rd sensor, and the 3rd sensor is embedded to centre or the outer surface position of the linkage section.
2. the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite according to claim 1, it is characterised in that described first Sensor and second sensor are optical fiber, grating, magnetic grid or foil gauge, and the 3rd sensor is optical fiber or foil gauge, described The quantity of first sensor, second sensor and 3rd sensor is one or more.
3. the pressure-resistant gas cylinder of intelligent two-dimentional carbon fibre composite according to claim 2, it is characterised in that the stack shell The outside dimension of section is 5~30cm, and the thickness of the shell portion is 5~40mm, and the length of the shell portion is 0.5~3m;Institute The height for stating seal head section is 10~40cm, and the seal head section thickness is 5~40mm;The length of the linkage section is 20~40cm.
CN201621362207.4U 2016-12-12 2016-12-12 The pressure-resistant gas cylinder of intelligent two dimension carbon fibre composite Active CN206572205U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106838601A (en) * 2016-12-12 2017-06-13 山东大学 Intelligent two dimension pressure-resistant gas cylinder of carbon fibre composite and preparation method thereof
CN113757552A (en) * 2021-09-08 2021-12-07 苏州辰航致远智能科技有限公司 Carbon fiber wound gas cylinder and health state monitoring method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106838601A (en) * 2016-12-12 2017-06-13 山东大学 Intelligent two dimension pressure-resistant gas cylinder of carbon fibre composite and preparation method thereof
CN106838601B (en) * 2016-12-12 2023-08-22 山东大学 Intelligent two-dimensional carbon fiber composite pressure-resistant gas cylinder and preparation method thereof
CN113757552A (en) * 2021-09-08 2021-12-07 苏州辰航致远智能科技有限公司 Carbon fiber wound gas cylinder and health state monitoring method thereof

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