CN106079477B - A kind of device and method of the automatic paving fibre optical sensor in carbon fiber prepreg surface - Google Patents
A kind of device and method of the automatic paving fibre optical sensor in carbon fiber prepreg surface Download PDFInfo
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- CN106079477B CN106079477B CN201610383135.XA CN201610383135A CN106079477B CN 106079477 B CN106079477 B CN 106079477B CN 201610383135 A CN201610383135 A CN 201610383135A CN 106079477 B CN106079477 B CN 106079477B
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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
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/56—Tensioning reinforcements before or during shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Moulding By Coating Moulds (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention proposes a kind of device and method of the automatic paving fibre optical sensor in carbon fiber prepreg surface, including mechanical arm and control system；Feed wheel is placed the fiber in setting the laying in path to starting predispersed fiber by feed wheel, optical fiber by feed wheel to slowly bringing into, into tensioning wheel；Optical fiber can smoothly enter into the inner stationary shaft wheel groove of prestress application wheel by tensioning wheel；Optical fiber is aligned scheduled layout path by inner stationary shaft wheel groove；After polyimide heater film slim fever tablet heating a period of time of heat source module, so that the viscosity on the optical fiber part carbon fiber prepreg surface that will be laid with is increased, after optical fiber passes through the last compaction of pressing roller so that fibre optical sensor is laid on the carbon fiber prepreg surface of optical fiber part.The present invention proposes a kind of device and method of the automatic paving fibre optical sensor in carbon fiber prepreg surface, the method of Stress non-homogeneity may be led to by overcoming hand lay-up fibre optical sensor, accomplish to be laid with efficient, optical transmission performance is unaffected, it is laid with accurately and secured, apparatus structure is simple, reduces cost, is suitable for layout path complicated and changeable.
Description
Technical field
The present invention relates to fibre optical sensor paving field, more particularly to a kind of automatic paving optical fiber in carbon fiber prepreg surface
The device and method of sensor.
Background technology
Optical fiber is a diameter of 15 μm~50 μm by the filament that pulls into of quartz, thus and its fragile and frangibility, so most
Optical fiber must be coated before by several layers of protection structures, and the cable after cladding is referred to as optical cable.Since optical fiber can be experienced
The variation of ambient temperature and strain, therefore use optical cable to carry out thermometric in many occasions or survey strain.
Carbon fiber prepreg has certain viscosity, and viscosity refers to the ability itself pasted mutually at a certain temperature, together
A piece of prepreg, temperature is low may to lose viscosity, and temperature is high and toughness, about 5 DEG C of temperature difference, viscosity just have apparent change
Change.The prepreg that time do not grow is lost for viscosity, slightly improves temperature, viscosity is improved, and can realize the paving work of component
Skill, experiments have shown that not having much affect to its mechanical property.Viscosity should not be too big, in order to be separated again when laying is wrong
Carry out paving and prepreg is unlikely to be damaged；Viscosity can not be too small, so that two pieces of prepreg energy at the working temperature
It is pasted together and is unlikely to separate.
Existing heat source module mostly uses infrared probe, ultraviolet probe or laser probe, and price is generally higher, furthermore infrared
The long-time irradiation of probe, ultraviolet probe or infrared probe, may change the physical property of carbon fiber prepreg, polyimides
The use of the slim fever tablet of heating film, substantially avoids the generation of the above situation.
Existing optical fiber paving mode mostly uses manual mode and layout path limitation is big, extremely inefficient, and uneven
Even prestressing force may lead to have the distributed stimulated Brillouin optical fiber demodulating system strictly limited cannot normal work to resolution ratio
Make, to lose the meaning for being laid with fibre optical sensor.
Invention content
In order to solve existing deficiency in above-mentioned technology, the present invention provides a kind of automatic pavings in carbon fiber prepreg surface
The device of fibre optical sensor, including mechanical arm and control system；It is characterized in that：Control system is equipped with end effector, control
System processed is set on the initial position of mechanical arm；Mechanical arm is made of several rolling wheel supports and rotary shaft, several idler wheels
Holder is linked together by rotary shaft；Feed wheel, tensioning wheel, heat source module, prestress application are respectively equipped on rolling wheel support
Wheel and rear pinch roller；Feed wheel, tensioning wheel, heat source module, prestress application wheel and rear pinch roller are sequentially arranged in machinery from top to bottom
On the rolling wheel support of arm.
Further, the tensioning wheel is equipped with Z-type bar, and can stretch up and down, and Z-type bar is equipped with height adjustment knob and angular adjustment is revolved
It is connected at button, the end of Z-type bar and the rotary shaft of rolling wheel support, junction is connected in parallel angular adjustment knob.Keep tension permanent
The violent mutation of tension can be buffered while determining.
Further, the heat source module semi-circular watt of cover, polyimide heater film made of hot good conductor material is slim
Fever tablet forms；The prestress application wheel is by trundle, outer sliding shaft sleeve groove, outer sliding shaft sleeve, ball, inner stationary shaft wheel
Groove and inner stationary shaft wheel composition；Pinch roller is made of foreign steamer, wheel cap, rectangular counterweight and fan-shaped wheel hub after described.According to practical feelings
Condition suitably places rectangular counterweight, avoids, because weight is inadequate, occurring that unreal phenomenon is pressed to occur, fan-shaped wheel hub is placed on the wheel of foreign steamer
In slot, and it is rotatable, but due to its own weight and reasons in structure, the least significant end of foreign steamer race will be had been at, make entirely to take turns
Minor structure position of centre of gravity remains unchanged.It is infrared, ultraviolet and laser etc., the slim fever tablet of polyimide heater film relative to heat source
Economical and effective.
Further, the prestress application wheel, inner stationary shaft wheel are connected on rolling wheel support, and level that can be by a small margin turns
Dynamic, outer sliding shaft sleeve is set to the both sides of inner stationary shaft wheel, and semicircle groove is carried at the center of inner stationary shaft wheel, and trundle is located at interior
In fixing axle wheel the lowermost inner stationary shaft wheel groove, it is straight that the minimum point of trundle minimum point and outer sliding shaft sleeve is located at same
On line, final prestressed application is completed by trundle.
Further, the corner of the prestress application wheel is equipped with stay wire displacement sensor, stay wire displacement sensor and rotation
Shaft connects.
Further, the rotary shaft is equipped with rotational potentiometer and stepper motor, before rotational potentiometer is set to stepper motor
Side.
Further, the carbon fiber prepreg is one layer of unidirectional carbon prepreg, is attached on optical fiber；The optical fiber
Sensor is Bragg grating or distribution type fiber-optic；The programming language of the control system is VAL language.With VAL LISP program LISPs
Write the layout path of optical fiber, VAL verbal orders are simple, clear understandable, the action of description robot manipulating task and with host computer
Communication is more convenient, and real-time function is strong.It is achieved in the automatic function of laying apparatus, saves manually-operated trouble, it is efficient.
Thus end effector controls rolling wheel support and advances by preset path.
A kind of method of the automatic paving fibre optical sensor in carbon fiber prepreg surface, which is characterized in that include the following steps：
A feed wheel) is placed the fiber in setting the laying in path to starting predispersed fiber by feed wheel, and optical fiber is by feed wheel pair
It slowly brings into, into tensioning wheel；
B) optical fiber can smoothly enter into the inner stationary shaft wheel groove of prestress application wheel by tensioning wheel；
C) optical fiber enters the inner stationary shaft wheel groove of prestress application wheel, and optical fiber is predetermined by the alignment of inner stationary shaft wheel groove
Layout path；
D) after the polyimide heater film of heat source module slim fever tablet heating a period of time, make the optical fiber office that will be laid with
The viscosity on portion carbon fiber prepreg surface increases, after optical fiber passes through the last compaction of pressing roller so that fibre optical sensor is laid on
On the carbon fiber prepreg surface of optical fiber part.
Wherein, the stay wire displacement sensor of the corner of the prestress application wheel, to measure prestress application wheel
Deflection angle feeds back to the rotational potentiometer of each rolling wheel support junction by closed-loop control system, and rotational potentiometer will receive
Position change signal be changed into voltage signal, eventually pass through voltage-frequency converter and be converted to pulse signal and be transmitted to stepper motor, walk
Stepper motor rotates corresponding angle according to the umber of pulse of receiving, and rotary shaft rotation, rolling wheel support is realized expansion or shunk, therefore makes
It is laid with fibre optical sensor path and realizes diversification, it is not limited to which accurate curved path may be implemented in simple linear state
It is laid with.
The present invention has the advantages that compared with prior art：
A kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface of the present invention overcomes hand lay-up light
Fibre may lead to the method for Stress non-homogeneity, accomplish to be laid with efficiently, optical transmission performance is unaffected.What heat source module was selected
The slim fever tablet of polyimide heater film, compared to infrared probe, ultraviolet probe or laser probe etc. are economical and applicable, are manufactured into
Originally it substantially reduces.The rolling wheel support of extension type makes device become flexible exquisiteness, is preferably suitable for laying road complicated and changeable
Diameter.The utilization of pressing roller afterwards, it is ensured that the fastness for the accuracy and paving that optical fiber is laid with.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is that the interior of rotating shaft of the device of the automatic paving fibre optical sensor in carbon fiber prepreg surface shown in Fig. 1 is three-dimensional
Structural schematic diagram；
Fig. 3 is the Z-type rod structure signal of the device of the automatic paving fibre optical sensor in carbon fiber prepreg surface shown in Fig. 1
Figure；
Fig. 4 is the prestress application wheel knot of the device of the automatic paving fibre optical sensor in carbon fiber prepreg surface shown in Fig. 1
Structure schematic diagram；
Fig. 5 is A partial enlarged views shown in Fig. 4；
Fig. 6 is the rear pressure roller structure structure of the device of the automatic paving fibre optical sensor in carbon fiber prepreg surface shown in Fig. 1
Schematic diagram；
Fig. 7 is curved path paving the principle of fiber Bragg grating strain sensor figure；
In attached drawing：1- control systems, 11- end effectors, 2- mechanical arms, 3- rolling wheel supports, 42- rotary shafts, 421- rotations
Turn potentiometer, 422- stepper motors, 5- feed wheels, 6- tensioning wheels, 61-Z type bars, 611- height adjustment knobs, the rotation of 612- angular adjustments
Button, 7- heat source modules, 8- prestress application wheels, the outer sliding shaft sleeves of 81-, 82- inner stationary shaft wheels, 83- balls, the outer sliding axles of 84-
Cover groove, 85- inner stationary shaft wheel grooves, 86- trundles, 88- stay wire displacement sensors, pinch roller after 9-, 91- wheel caps, 92- is rectangular
Counterweight, 93- sector wheel hubs, 94- foreign steamers, 10- optical fiber.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
As shown in Figures 1 to 6, the device of the automatic paving fibre optical sensor in a kind of carbon fiber prepreg surface, including mechanical arm 2
With control system 1；Control system 1 is equipped with end effector 11, and control system 1 is set on the initial position of mechanical arm 2；Machine
Tool arm 2 is made of several rolling wheel supports 3 and rotary shaft 42, several rolling wheel supports 3 are linked together by rotary shaft 42；Rolling
Feed wheel 5, tensioning wheel 6, heat source module 7, prestress application wheel 8 and rear pinch roller 9 are respectively equipped on wheel support 3；Feed wheel 5 is opened
Bearing up pulley 6, heat source module 7, prestress application wheel 8 and rear pinch roller 9 are sequentially arranged in from top to bottom on the rolling wheel support 3 of mechanical arm 2.
Tensioning wheel 6 is equipped with Z-type bar 61, and can stretch up and down, and Z-type bar 61 is equipped with height adjustment knob 611 and angular adjustment knob
612, it connect at the end of Z-type bar 61 and the rotary shaft 42 of rolling wheel support 3, junction is connected in parallel angular adjustment knob 612.
Heat source module 7 semi-circular watt of cover, the slim fever tablet of polyimide heater film made of hot good conductor material form；
Prestress application wheel 8 is by trundle 86, outer sliding shaft sleeve groove 84, outer sliding shaft sleeve 81, ball 83, inner stationary shaft wheel groove 85
It is formed with inner stationary shaft wheel 82；Pinch roller 9 is made of foreign steamer 94, wheel cap 91, rectangular counterweight 92 and fan-shaped wheel hub 93 afterwards.
The corner of prestress application wheel 8 is equipped with stay wire displacement sensor 88, stay wire displacement sensor 88 and rotary shaft 42
Connection.
Rotary shaft 42 is equipped with rotational potentiometer 421 and stepper motor 422, and rotational potentiometer 421 is set to stepper motor 422
Front.
Carbon fiber prepreg is one layer of unidirectional carbon prepreg, is attached on optical fiber 10；Fibre optical sensor is Bradley
Lattice grating or distribution type fiber-optic；The programming language of control system 1 is VAL language.
A kind of method of the automatic paving fibre optical sensor in carbon fiber prepreg surface, which is characterized in that include the following steps：
A) by optical fiber 10 be put into feed wheel pair 5 by feed wheel pair 5 start 10 preset path of optical fiber laying, optical fiber 10 by
Feed wheel pair 5 is slowly brought into, into tensioning wheel 6；
B) optical fiber 10 can smoothly enter into the inner stationary shaft wheel groove 85 of prestress application wheel 8 by tensioning wheel 6；
C) optical fiber 10 enters the inner stationary shaft wheel groove 85 of prestress application wheel 8, and optical fiber 10 passes through inner stationary shaft wheel groove
The 85 scheduled layout paths of alignment；
D) after the polyimide heater film of heat source module 7 slim fever tablet heating a period of time, make the optical fiber that will be laid with
The viscosity on 10 local carbon fiber prepreg surfaces increases, after optical fiber 10 passes through the last compaction of pressing roller 9 make Fibre Optical Sensor
Device is laid on the local carbon fiber prepreg of optical fiber 10 surface.
The stay wire displacement sensor 88 of the corner of prestress application wheel 8, to measure the deflection of prestress application wheel 8
Angle feeds back to the rotational potentiometer 421 of 3 junction of each rolling wheel support by closed-loop control system, and rotational potentiometer 421 will
The position change signal of receiving is changed into voltage signal, eventually passes through voltage-frequency converter and is converted to pulse signal and is transmitted to stepper motor
422, stepper motor 422 rotates corresponding angle according to the umber of pulse of receiving, and rotary shaft 42 rotates, and rolling wheel support 3 realizes expansion
Or shrink, therefore laying fibre optical sensor path is made to realize diversification, it is not limited to essence may be implemented in simple linear state
True curved path is laid with.
Curved path paving embodiment：
As illustrated in figures 1 and 7, first the program file finished writing in advance is put into software ADAMS and is emulated, to obtain idler wheel
The bending number of degrees of each rotary shaft 42 of the holder 3 in curved path, it is final to be written by this parameter write paths program file again
Control system 1.Rolling wheel support 3 is transferred to the remote places the initial position 30mm from layout path, so as to the rotation on rolling wheel support 3
Turn potentiometer 421 and collects information in time.It opens heat source module 7 and starts heat supply, when rolling wheel support 3 is marched to close to curve corner
When, the stay wire displacement sensor 88 at prestress application wheel 8 detects that prestress application wheel 8 deflects, stay wire displacement sensor 88
Angular deflection information is passed into control circuit, control circuit is fed back to this information in rotary shaft 42 by closed-loop control
This position signal is converted to voltage signal and is transmitted to voltage-frequency converter, voltage-frequency conversion by rotational potentiometer 421, rotational potentiometer 421
Device is converted to corresponding umber of pulse according to the bending angle at rotary shaft in control system 42 and is transmitted to stepper motor 422, and then makes
Rotary shaft 42 rotates corresponding angle, the shortened total length of rolling wheel support 3, and structure becomes compacter.At this time, it may be necessary to root
The flexible height and rotation angle for adjusting tensioning wheel 6 manually according to actual conditions avoid optical fiber from swinging to keep suitable tension,
Start the laying of curved path.Stay wire displacement sensor 88 after rolling wheel support 3 is shunk at prestress application wheel 8 no longer acts on,
Rolling wheel support 3 will be always maintained at the state after shrinking, until layout path terminates.Whether observation optical fiber, which has, tilts phenomenon,
If so, under the premise of meeting laying requirement, the tracing analysis by OTDR (optical time domain reflectometer) to test optical fiber, selection pair
The slope of curve influences minimum roller pressure；If nothing, the analysis of test curve is equally also carried out to optical fiber with OTDR, is avoided because of rolling
Take turns the excessive serious loss for causing optical fiber measurement precision of pressure.
Above specific implementation mode, to the purpose of the present invention, technical solution and advantageous effect have carried out further auspicious
Describe in detail it is bright, should be understood that the foregoing is merely the present invention specific implementation mode, be not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification made, equivalent replacement, improve etc., it should be included in
Within protection scope of the present invention.
Claims (8)
1. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface, including mechanical arm and control system；It is special
Sign is：Control system is equipped with end effector, and set-up of control system is on the initial position of mechanical arm；Mechanical arm is by several
A rolling wheel support and rotary shaft composition, several rolling wheel supports are linked together by rotary shaft；It is respectively equipped on rolling wheel support
Feed wheel, tensioning wheel, heat source module, prestress application wheel and rear pinch roller；Feed wheel, tensioning wheel, heat source module, prestress application
Wheel and rear pinch roller are sequentially arranged on the rolling wheel support of mechanical arm from top to bottom；The prestress application wheel is by trundle, outer cunning
Moving axis covers groove, outer sliding shaft sleeve, ball, inner stationary shaft wheel groove and inner stationary shaft wheel composition；Pinch roller is by foreign steamer, wheel after described
Lid, rectangular counterweight and fan-shaped wheel hub composition, the inner stationary shaft wheel of the prestress application wheel are connected on rolling wheel support, and slightly
Degree horizontally rotates, and outer sliding shaft sleeve is set to the both sides of inner stationary shaft wheel, and semicircle groove is carried at the center of inner stationary shaft wheel, small
Idler wheel is located in inner stationary shaft wheel the lowermost inner stationary shaft wheel groove, the minimum point of trundle minimum point and outer sliding shaft sleeve
In on same straight line.
2. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface as described in claim 1, it is characterised in that：
The tensioning wheel is equipped with Z-type bar, and can stretch up and down, and Z-type bar is equipped with height adjustment knob and angular adjustment knob, the end of Z-type bar
It is connect at the rotary shaft of rolling wheel support, junction is connected in parallel angular adjustment knob.
3. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface as described in claim 1, it is characterised in that：
The heat source module semi-circular watt of cover, the slim fever tablet of polyimide heater film made of hot good conductor material form.
4. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface as described in claim 1, it is characterised in that：
The corner of the prestress application wheel is equipped with stay wire displacement sensor, stay wire displacement sensor and rotation axis connection.
5. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface as claimed in claim 4, it is characterised in that：
The rotary shaft is equipped with rotational potentiometer and stepper motor, and rotational potentiometer is set in front of stepper motor.
6. a kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface as described in claim 1, it is characterised in that：
The carbon fiber prepreg is one layer of unidirectional carbon prepreg, is attached on optical fiber；The fibre optical sensor is Prague
Grating or distribution type fiber-optic；The programming language of the control system is VAL language.
7. a kind of method of the automatic paving fibre optical sensor in carbon fiber prepreg surface, which is characterized in that using such as claim 1
A kind of device of the automatic paving fibre optical sensor in carbon fiber prepreg surface, includes the following steps：
A feed wheel) is placed the fiber in setting the laying in path to starting predispersed fiber by feed wheel, and optical fiber is by feed wheel to slowly
It brings into, into tensioning wheel；
B) optical fiber can smoothly enter into the inner stationary shaft wheel groove of prestress application wheel by tensioning wheel；
C) optical fiber enters the inner stationary shaft wheel groove of prestress application wheel, and optical fiber is aligned scheduled paving by inner stationary shaft wheel groove
If path；
D) after the polyimide heater film of heat source module slim fever tablet heating a period of time, make the optical fiber part carbon that will be laid with
The viscosity on fiber prepreg material surface increases, after optical fiber passes through the last compaction of pressing roller so that fibre optical sensor is laid on carbon fiber
It ties up on prepreg surface.
8. a kind of method of the automatic paving fibre optical sensor in carbon fiber prepreg surface as claimed in claim 7, it is characterised in that：
The stay wire displacement sensor of the corner of the prestress application wheel, to measure the deflection angle of prestress application wheel, by closing
Ring control system, feeds back to the rotational potentiometer of each rolling wheel support junction, and rotational potentiometer believes the position change of receiving
Number it is changed into voltage signal, eventually passes through voltage-frequency converter and be converted to pulse signal and be transmitted to stepper motor, stepper motor is according to connecing
The umber of pulse received rotates corresponding angle, and rotary shaft rotation, rolling wheel support is realized expansion or shunk, therefore makes laying Fibre Optical Sensor
Realize diversification in device path, it is not limited to which simple linear state may be implemented accurate curved path and be laid with.
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| CN107702659B (en) * | 2017-09-21 | 2019-12-20 | 广州大学 | Carbon fiber prepreg packaged distributed temperature-strain sensor and manufacturing method thereof |
| CN108680292B (en) * | 2018-07-18 | 2020-11-03 | 广州大学 | Method and device for manufacturing optical fiber intelligent carbon fiber sensing belt |
| CN114589939A (en) * | 2020-12-03 | 2022-06-07 | 杨景森 | Processing equipment and method for manufacturing composite material structure by using mechanical arm |
| CN113701659B (en) * | 2021-09-14 | 2023-04-25 | 广州大学 | Pasting device for fiber bragg grating sensor strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105572829A (en) * | 2015-12-29 | 2016-05-11 | 厦门迈通科技有限公司 | Optical fiber laying device |
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| DE102014110909A1 (en) * | 2014-07-31 | 2016-02-04 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Fiber laying device |
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| CN105572829A (en) * | 2015-12-29 | 2016-05-11 | 厦门迈通科技有限公司 | Optical fiber laying device |
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| Title |
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| 光纤智能复合材料纤维自动铺放制造工艺研究;李金健，段玉岗，高侃，王奔，曹瑞军;《传感器与微***》;20150920;第20-23页 * |
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