CN110207600A - A kind of spinning equipment, at silk detection device and at yarn examination method - Google Patents
A kind of spinning equipment, at silk detection device and at yarn examination method Download PDFInfo
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- CN110207600A CN110207600A CN201910542742.XA CN201910542742A CN110207600A CN 110207600 A CN110207600 A CN 110207600A CN 201910542742 A CN201910542742 A CN 201910542742A CN 110207600 A CN110207600 A CN 110207600A
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- nanofiber
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- 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
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a kind of into silk detection device, including outside centrifugation electrostatic spinning machine, the camera assembly to take pictures to the nanofiber at collecting board gap；Be electrically connected with the camera assembly, the diameter to obtain nanofiber, density, beading size and beading quantity controller；Outside centrifugation electrostatic spinning machine, the bracket to support the camera assembly horizontally disposed.Diameter, density, beading size and the beading quantity of the above-mentioned nanofiber that can adhere at on-line checking collecting board at silk detection device, solve the problems, such as into silk parameter detecting low efficiency.The invention also discloses a kind of including the above-mentioned spinning equipment at silk detection device and a kind of at yarn examination method.
Description
Technical field
The present invention relates to spinning monitoring technical fields, more particularly to a kind of at silk detection device.In addition, the present invention also relates to
And it is a kind of including the above-mentioned spinning equipment at silk detection device and a kind of at yarn examination method.
Background technique
Centrifugation electrostatic spinning machine is a kind of process unit using centrifugation electrostatic technique production nanofiber, this spinning machine
The mass production of nanofiber can be realized on the basis of guaranteeing that the diameter of nanofiber is evenly distributed.
Currently, centrifugation electrostatic spinning machine nanofiber produced is to be detected in the way of manual sampling to realize
, this detection mode has detection efficiency low and is unfavorable for regulating and controlling to be centrifuged in time when there is substandard product quiet
The defects of manufacturing parameter of Electrospun machine.
Summary of the invention
The object of the present invention is to provide a kind of into silk detection device, this can be at on-line checking collecting board at silk detection device
Diameter, density, beading size and the beading quantity of the nanofiber of attachment, solve the problems, such as into silk parameter detecting low efficiency.
It is a further object of the present invention to provide a kind of including the above-mentioned spinning equipment at silk detection device and a kind of at yarn examination method.
To achieve the above object, the present invention provides a kind of at silk detection device, comprising: be set to outside centrifugation electrostatic spinning machine,
To the camera assembly taken pictures to the nanofiber at collecting board gap；It is electrically connected with the camera assembly, to obtain
The controller of the diameter of nanofiber, density, beading size and beading quantity；Outside centrifugation electrostatic spinning machine, to support
The horizontally disposed bracket of the camera assembly.
Preferably, the camera assembly includes: the camera to take pictures to the nanofiber at collecting board gap；If
Microlens in front of the camera.
Preferably, the controller, which is included, is electrically connected, to obtain nanofiber in shooting image with the camera assembly
Diameter, density, beading size and beading quantity image processing part.
Preferably, further include be electrically connected with described image processing unit, the diameter to show nanofiber, density, a beading
The display of the testing result of size and beading quantity；The controller further include: be electrically connected with both motor and negative pressure generator
It connects, the control unit of the voltage of the revolving speed to regulate and control fluid reservoir and collecting board.
Preferably, further includes: be electrically connected with the display, the speed probe to detect fluid reservoir revolving speed；With institute
State display electrical connection, the voltage sensor to detect collecting board voltage.
Preferably, further includes: be electrically connected with the display, the humidity sensor to detect humidity in collecting board；With
The display electrical connection, the temperature sensor to detect temperature in collecting board.
It is provided by the invention at silk detection device relative to above-mentioned background technique, by camera assembly in centrifugation Static Spinning
It takes pictures except silk machine to the nanofiber at collecting board gap, to avoid hindering nanofiber to be attached to collecting board；It is also logical
It crosses processing unit and the processing such as greyscale transformation, filtering, morphological operation and binaryzation is carried out to the image that camera assembly is shot, to calculate
Diameter, density, beading size and the beading quantity of nanofiber in image are shot out.
As can be seen that the online of nanofiber diameter, density, beading size and beading quantity may be implemented in camera assembly
Detection, in order to which subsequent data according to measured by adjust the operating condition of centrifugation electrostatic spinning machine, and processing unit can be
Automatically diameter, density, beading size and the beading quantity of nanofiber, Jin Erti are obtained in image captured by camera assembly
High detection efficiency.
The present invention also provides a kind of spinning equipments, comprising: has collecting board, the centrifugation Static Spinning to produce nanofiber
Silk machine；Wherein, the collecting board has the gap exposed for nanofiber；To detect the straight of nanofiber at the gap
It is diameter, density, beading size and beading quantity, as described in any one of the above embodiments at silk detection device.
The present invention also provides a kind of into yarn examination method, comprising: S1: power on open centrifugation electrostatic spinning machine and at
Silk detection device；S2: it takes pictures to the nanofiber at collecting board gap；S3: the Nanowire is obtained according to shooting image
Diameter, density, beading size and the beading quantity of dimension.
Preferably, after the step S3 further include: S4: judging the diameter of the nanofiber whether in preset standard
Within diameter range, if so, S8 is entered step, if it is not, then entering step S5；S5: judging the diameter of the nanofiber is
It is no to exceed the preset normal diameter range, if so, S6 is entered step, if it is not, then entering step S7；S6: motor is improved
Revolving speed, and/or increase negative pressure generator output voltage；S7: the revolving speed of the motor is reduced, and/or reduces the negative pressure
The output voltage of generator；S8: judging whether the beading quantity of the nanofiber exceeds preset standard beading quantitative value, if
It is then to enter step S11, otherwise enters step S9；S9: judge whether the beading size of the nanofiber exceeds preset mark
Otherwise quasi- beading size value enters step S10 if so, entering step S11；S10: judging the density of the nanofiber is
It is no to reach preset density value, if so, entering step S11；S11: the control centrifugation electrostatic spinning machine is closed.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of spinning equipment provided by the present invention；
Fig. 2 is the schematic diagram of positional relationship between camera assembly and collecting board in Fig. 1；
Fig. 3 is a kind of schematic diagram at silk detection device provided by the present invention；
Fig. 4 is the structural schematic diagram that electrostatic spinning machine is centrifuged in Fig. 1；
Fig. 5 be it is provided by the present invention the first at yarn examination method flow chart；
Fig. 6 is the flow chart of second one-tenth yarn examination method provided by the present invention；
Fig. 7 be it is provided by the present invention the third at yarn examination method flow chart；
Wherein,
01- nanofiber, 1- centrifugation electrostatic spinning machine, 11- cabinet, 12- fluid reservoir, 13- spinneret syringe needle, 14- collecting board,
15- transmission shaft, 16- motor, 2- camera assembly, 21- camera, 22- microlens, 3- controller, 4- speed probe, 5- voltage
Sensor, 6- humidity sensor, 7- temperature sensor.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 to Fig. 7 is please referred to, Fig. 1 is a kind of structural schematic diagram of spinning equipment provided by the present invention；Fig. 2 is in Fig. 1
The schematic diagram of positional relationship between camera assembly and collecting board；Fig. 3 is a kind of showing at silk detection device provided by the present invention
It is intended to；Fig. 4 is the structural schematic diagram that electrostatic spinning machine is centrifuged in Fig. 1；Fig. 5 be it is provided by the present invention the first at silk detection side
The flow chart of method；Fig. 6 is the flow chart of second one-tenth yarn examination method provided by the present invention；Fig. 7 is provided by the present invention
The third at yarn examination method flow chart.
Before this, for the ease of the understanding of the technical program, here first to centrifugation electrostatic spinning machine 1 primary structure and
The principle of work and power is introduced.As shown in Figure 3 and Figure 4, centrifugation electrostatic spinning machine 1 includes cabinet 11, is equipped with and is used for above cabinet 11
The fluid reservoir 12 of saving fiber solution (namely raw material of production nanofiber 01), and the collecting board being arranged around fluid reservoir 12
14, collecting board 14 surround for nanofiber 01 from spinneret syringe needle 13 spray and be attached to collecting board 14 at silk space, fluid reservoir
The bottom of 12 circumferential profiles is equably provided with the spinneret syringe needle 13 sprayed for fiber solution, collecting board 14 and negative pressure generator
(not shown) connection, and spinneret syringe needle 13 is grounded, and makes to form the electric field that electric field line dissipates from the inside to the outside in collecting board 14, liquid storage
The bottom of tank 12 connects transmission shaft 15, and the motor 16 that transmission shaft 15 passes through in 11 top plate of cabinet and cabinet 11 passes through mechanical transmissioning piece
It is connected, when being centrifuged the unlatching of electrostatic spinning machine 1, fiber solution is under the collective effect of electric field force and centrifugal force from spinneret needle
First 13 spray, and form nanofiber 01 and are attached to the inner surface of collecting board 14.In addition, centrifugation electrostatic spinning machine 1 further includes using
In the air-heater (not shown) of air blast in the space surrounded to collecting board 14, to play the role of heating and dehumidification.
It should be noted that if the output revolving speed of motor 16 is bigger, then the centrifugal force that fiber solution is subject to is bigger, Nanowire
The diameter of dimension 01 is smaller；If the output revolving speed of motor 16 is smaller, the centrifugal force that nanofiber 01 is subject to is smaller, and nanofiber
01 diameter is bigger.If the output voltage of negative pressure generator is bigger (this refers to the size of numerical value namely absolute values), collect
The intensity of 14 internal electric field of plate is bigger, and the electric field force that fiber solution is subject to is bigger, and the diameter of nanofiber 01 is smaller；If negative pressure occurs
The output voltage of device is smaller, then the intensity of 14 internal electric field of collecting board is smaller, and the electric field force that fiber solution is subject to is smaller, nanofiber
01 diameter is bigger.
It is provided by the present invention a kind of at silk detection device, as shown in Figure 1, this specifically includes that camera shooting at silk detection device
Component 2, controller 3 and bracket (not shown).
As depicted in figs. 1 and 2, camera assembly 2 is fixed by the bracket in being centrifuged except electrostatic spinning machine 1, and horizontally right
At quasi- 14 gap of collecting board, the nanofiber for being attached to collecting board 14 01 is enable to be exposed to camera assembly 2 by the gap
It shoots within field range, in order to which camera assembly 2 takes pictures to the nanofiber 01 at gap.
It should be noted that above-mentioned " exposure " refers to that the nanofiber 01 for being attached to 14 inside of collecting board can pass through gap
It is connected with the outside of collecting board 14, so that the camera assembly 2 in 14 outside of collecting board can be to the Nanowire of 14 inside of collecting board
Dimension 01 is shot.
Controller 3 can be fixed by the bracket in being centrifuged except electrostatic spinning machine 1, even if also bracket plays static controller 3
Effect, certainly, controller 3 can also be set to the outer surface in cabinet 11 or being fixed on cabinet 11.As shown in Figure 1, control
Device 3 is electrically connected to obtain image captured by camera assembly 2 with camera assembly 2, and controller 3 can be to the image in shooting image
Information is handled to obtain the diameter of nanofiber 01, density, beading size and beading quantity.
Wherein, the diameter of nanofiber 01 specifically refers to the average diameter of whole nanofibers 01 in shooting image；Nanometer
The density of fiber 01 refers to the ratio that whole nanofibers 01 in image account for whole image-region that shoots；A beading for nanofiber 01
Size refers in shooting image all in the mean size size of the fiber grain of pearl；The beading quantity of nanofiber 01 refers to
The quantity for the fiber grain being in the form of a column in shooting image.
It should be noted that the density of nanofiber 01 can show that whether the nano-fiber film at collecting board 14 is completed
Preparation, the beading size of nanofiber 01 is bigger, and beading quantity is more, then the quality of above-mentioned nano-fiber film is poorer.
It is understood that since camera assembly 2 is to take pictures except collecting board 14 to nanofiber 01, and control
Device 3 processed can be set to the other positions except collecting board 14, therefore this will not be to Nanowire in collecting board 14 at silk detection device
Dimension 01 production cause hinder influence, enable this at silk detection device be centrifuged electrostatic spinning machine 1 run during to receipts
The nanofiber 01 adhered on collection plate 14 is detected, and then improves the efficiency at silk parameter of detection fiber solution.
As shown in Fig. 2, above-mentioned camera assembly 2 includes for clapping the nanofiber 01 of exposure at 14 gap of collecting board
According to camera 21 and microlens 22 set on the front of camera 21.Wherein, the shooting visual angle of camera 21 is along horizontal and towards collection
The direction setting of the nanofiber 01 of exposure at 14 gap of plate；Due to the diameter very little of nanofiber 01, and microlens 22 have
There is very big amplification factor, therefore camera 21 can be shot by microlens 22 for the identification of controller 3 even eye recognition
Nanofiber 01 shooting image, and then convenient for controller 3 can according to shooting image in image information acquisition Nanowire
Diameter, density, beading size and the beading quantity of dimension 01.
Above controller 3 includes the image processing part for handling image captured by camera assembly 2, specifically, figure
As processing unit is electrically connected with the camera 21 in camera assembly 2, image will be shot with camera 21 and be sent to image processing part, at image
Reason portion can carry out greyscale transformation, filtering, morphological operation and binaryzation etc. to the image of nanofiber 01 in shooting image
Reason, and then calculate according to treated picture diameter, density, beading size and the beading quantity of nanofibers 01.
Controller 3 further includes the display being electrically connected with image processing part, and display can be shown obtained by image processing part
Testing result out, certainly, display can also be shown as needed through image processing part treated picture.In addition, display
Device can also be electrically connected with camera assembly 2, to show image captured by camera assembly 2.Wherein, display can be fixed on branch
Frame can also be fixed on cabinet 11 or be fixed on other positions according to actual needs.
In order to realize the automatic control to centrifugation electrostatic spinning operating condition, controller 3 further includes and motor 16 and negative pressure
The control unit of generator electrical connection.Control unit can send control instruction to motor 16 and negative pressure generator, to adjust motor 16
Output revolving speed (namely revolving speed of fluid reservoir 12) and negative pressure generator output voltage (namely voltage of collecting board 14).
Above-mentioned control unit should be electrically connected to obtain the real-time diameter of nanofiber 01, real-time density, reality with image processing part
When beading size and real-time beading quantity, it is compared with corresponding preset standard respectively, if nanometer at control unit judgement
The a certain parameter of fiber 01 does not meet preset standard, then adjusts output revolving speed, and/or the output of negative pressure generator of motor 16
Voltage or control centrifugation electrostatic spinning machine 1 are closed, to guarantee that nanofiber 01 produces qualification.
Correspondingly, as shown in figure 3, this is at silk detection device further include: for detecting the revolution speed sensing of 12 revolving speed of fluid reservoir
Device 4 and voltage sensor 5 for detecting 14 voltage of collecting board.
Above-mentioned speed probe 4 is preferably disposed at the transmission shaft 15 of 12 lower section of fluid reservoir, to avoid stopping from spinneret syringe needle
13 nanofibers 01 sprayed, which are got rid of, drops down onto collecting board 14, wherein transmission shaft 15 can be considered same with both fluid reservoir 12 and motor 16
One rotary body, thus the revolving speed of transmission shaft 15 measured by speed probe 4 be fluid reservoir 12 revolving speed and motor 16 it is defeated
Revolving speed out.
And voltage sensor 5 is set at the collecting board 14 of 11 top of cabinet, to obtain 14 voltage of collecting board.Wherein, above-mentioned
Voltage sensor 5 is preferably disposed to the outside of collecting board 14, to avoid the inner wall for hindering nanofiber 01 to be attached to collecting board 14.
It should be noted that as shown in figure 3, above-mentioned speed probe 4 and voltage sensor 5 with it is aobvious in controller 3
Show that device is electrically connected, the revolving speed of current fluid reservoir 12 and the voltage of collecting board 14 are shown for display.In addition, speed probe
4 can also be electrically connected with control unit, so that the frequency of taking pictures of camera assembly 2 is arranged according to the revolving speed of fluid reservoir 12 for control unit,
That is, control unit should be also electrically connected with the high speed camera 21 in camera assembly 2.
It can be attached to collecting board 14 in silk thread shape for the ease of nanofiber 01, this further includes using at silk detection device
The humidity sensor 6 of humidity at collecting board 14, and the temperature sensor 7 for detecting temperature at collecting board 14.
It should be noted that as shown in figure 3, above-mentioned humidity sensor 6 and temperature sensor 7 with it is aobvious in controller 3
Show that device is electrically connected, real time temperature and humidity at collecting board 14 are shown for display；Temperature sensor 7 and humidity sensor 6
Quantity and position distribution can be designed according to actual needs, such as above cabinet 11 collecting board 14 surrounded at silk sky
Between four humidity sensors 6 of middle setting to obtain this simultaneously into the humidity condition of position everywhere in silk space.
It is noted that above controller 3 is the set of image processing part and control unit.In addition, pacifying in controller 3
Equipped with control system, which includes image processing module and operating conditions module, wherein the journey in image processing module
Sequence is used to obtain the parameter of nanofiber 01 in shooting image, and the program in operating conditions module is for regulating and controlling the defeated of motor 16
The output voltage of revolving speed and negative pressure generator out.Correspondingly, above-mentioned image processing part is as in the above-mentioned image processing module of installation
The hardware facility of program, and control unit is as the hardware facility for installing the program in above-mentioned operating conditions module.
It should be noted that electronic component used by above-mentioned image processing part and control unit and their receptions and hair
Send the mode of data information can refer to the prior art with reference to the structure construction of the prior art that is controller 3, than
It such as selects industrial personal computer in the prior art as controller 3, does not carry out inventive improvements to this herein, core is at image
The reality of program function between reason portion and control unit and in the electrical connection of they and other component and above-mentioned control system
It is existing.
A kind of spinning equipment provided by the present invention, as shown in Figure 1, the spinning equipment includes centrifugation electrostatic as described above
Spinning machine 1 and as described above at silk detection device, spinneret syringe needle 13, fluid reservoir 12, motor 16, negative pressure generator, collecting board
14, the structure construction of the other parts of air-heater and centrifugation electrostatic spinning machine 1 can refer to the prior art, no longer open up herein
It opens.
It should be noted that above-mentioned collecting board 14 should have the gap for the exposure of nanofiber 01.
Provided by the present invention a kind of at yarn examination method, such as Fig. 5 institute, this method is specifically included that
Step S1: power on to open centrifugation electrostatic spinning machine 1 and at silk detection device.
The power supply of centrifugation electrostatic spinning machine 1 is connected, motor 16 is started and drives fluid reservoir 12 to rotate by transmission shaft 15, into
And generate the centrifugal force for acting on fiber solution in fluid reservoir 12；And start negative pressure generator electric at being formed in silk environment
, and then generate the electric field force for acting on fiber solution.Under the collective effect of above-mentioned centrifugal force and electric field force, fiber solution from
Spinneret syringe needle 13 sprays, to form nanofiber 01 and be attached to the inside of collecting board 14.
It is also turned on into the power supply of silk detection device, to start camera assembly 2 and controller 3.
It should be noted that centrifugation electrostatic spinning machine 1 and at silk detection device preferably share a power supply, in order to this two
Person can start simultaneously, control motor 16 say by the controller in controller 3 and negative pressure generator is opened.
Step S2: it takes pictures to the nanofiber 01 at 14 gap of collecting board.
The adjacent time interval taken pictures twice of camera assembly 2 is preferably determined according to the revolving speed of fluid reservoir 12 first, this when
Between be spaced and can be determined according to the revolving speed of fluid reservoir 12, such as the time used that rotates a circle of fluid reservoir 12 is set to a week
Phase, the time interval of camera assembly 2 are the integral multiple in above-mentioned period, wherein above-mentioned integer refers to the positive integer greater than 0.
Then camera assembly 2 connects the nanofiber 01 at 14 gap of collecting board according to above-mentioned preset time interval
It is continuous to take pictures.
It should be noted that above-mentioned prefixed time interval can also determine by other means, say by laser
Sensor determines that camera assembly 2 presses shutter, when the nanofiber 01 sprayed from spinneret syringe needle 13 is issued by laser sensor
Laser beam when, laser will be stopped by nanofiber 01, so make laser sensor to camera assembly 2 send control camera shooting
The shutter signal that component 2 is taken pictures.
Step S3: diameter, density, beading size and the beading quantity of nanofiber 01 are obtained according to shooting image.Control
Device 3 obtains the image that camera assembly 2 is shot, and carries out greyscale transformation, filtering, morphological operation and binaryzation to the shooting image
Deng processing, and then calculate according to treated picture diameter, density, beading size and the beading quantity of nanofibers 01.
As can be seen that this can obtain the diameter of nanofiber 01, density, beading size and string at yarn examination method online
Pearl quantity, and whole process is realized by automating, namely without human intervention, and then with higher detected at silk
Efficiency.
For superior technique effect, as shown in Figure 6 and Figure 7, after step S3 further include:
Step S4: the diameter of nanofiber 01 is judged whether within the scope of preset normal diameter, if so, entering step
Rapid S8, if it is not, then entering step S5.In order to judge whether nanofiber 01 produced is qualified, therefore default nanofibers
01 normal diameter range, and then judge the real-time diameter of nanofiber 01 whether in above-mentioned standard diameter model by controller 3
Within enclosing, to judge whether nanofiber 01 produced is qualified, if unqualified, enters step S5, if qualified, enter step
Rapid S8.
Step S5: judging whether the diameter of nanofiber 01 exceeds preset normal diameter range, if so, entering step
S6, if it is not, then entering step S7.Controller 3 further judges that the real-time diameter of nanofiber 01 is greater than normal diameter range
Maximum value be also less than the minimum value of normal diameter range, if the diameter of nanofiber 01 exceeds normal diameter range, into
Enter step S6, otherwise enters step S7.
Step S6: the revolving speed of motor 16 is improved, and/or increases the output voltage of negative pressure generator.Due to nanofiber 01
Diameter it is bigger than normal, then the centrifugal force and/or electric field force for needing increased fiber solution to be subject to, and then pass through the control in controller 3
Portion's control improves the output revolving speed of motor 16, and/or control increases the output voltage of negative pressure generator, until nanofiber 01
Real-time diameter enters back into step S8 within the scope of normal diameter.
Step S7: the revolving speed of motor 16 is reduced, and/or reduces the output voltage of negative pressure generator.Due to nanofiber 01
Diameter it is less than normal, then need to reduce centrifugal force and/or electric field force that fiber solution is subject to, and then pass through the control in controller 3
Portion's control reduces the output revolving speed of motor 16, and/or control reduces the output voltage of negative pressure generator, until nanofiber 01
Real-time diameter enters back into step S8 within the scope of normal diameter.
Step S8: judging whether the beading quantity of nanofiber 01 exceeds preset standard beading quantitative value, if so, into
Enter step S11, if it is not, then entering step S9.In order to further judge whether nanofiber 01 produced is qualified, thus it is default
The standard beading quantitative value of nanofibers 01, so by controller 3 compare nanofiber 01 real-time beading quantity whether
Greater than standard beading quantitative value, to judge nanofiber 01 (namely nano-fiber film of 14 inner surface of collecting board) produced
It is whether qualified.If the real-time beading quantity of nanofiber 01 is greater than standard beading quantitative value, represent unqualified, and enters step
Otherwise S11 enters step S9.
Step S9: judging whether the beading size of nanofiber 01 exceeds preset standard beading size value, if so, into
Enter step S11, if it is not, then entering step S10.In order to further judge whether nanofiber 01 produced is qualified, thus it is pre-
The standard beading size value of nanofiber 01 is set out, and then is by the real-time beading size that controller 3 compares nanofiber 01
No to be greater than standard beading size value, to judge nanofiber produced 01, (namely the nanofiber of 14 inner surface of collecting board is thin
Film) it is whether qualified.If the real-time beading size of nanofiber 01 is greater than standard beading size value, represent unqualified, and enters
Step S11, otherwise enters step S10.
Step S10: judging whether the density of nanofiber 01 reaches preset density value, if so, entering step S11.
In order to judge when nanofiber 01 is made into qualified products, therefore the standard density value of default nanofibers 01, Jin Ertong
It crosses controller 3 and compares the real-time density of nanofiber 01 and whether be greater than standard density value, to judge nanofiber 01 produced
Whether (namely nano-fiber film of 14 inner surface of collecting board) reaches the standard of qualified products.If nanofiber 01 is real-time close
Degree is greater than standard density value, then it represents that the nanofiber 01 at collecting board 14 has been made into qualified products, and enters step
Otherwise S11 is continued to run by the control centrifugation electrostatic spinning machine 1 of controller 3, until the nanofiber 01 at collecting board 14 is made
At qualified products.
Step S11: control centrifugation electrostatic spinning machine 1 is closed.Control unit control motor 16 in controller 3 stops operating,
And it controls negative pressure generator and stops closing electrostatic spinning machine 1 to collecting board output voltage.
It should be understood that step S11 can be kept away if the beading quantity of nanofiber 01 is greater than standard beading quantitative value
Exempt from centrifugation electrostatic spinning machine 1 and produce underproof nanofiber 01, and then convenient for the subsequent operation work to centrifugation electrostatic spinning machine 1
Condition is adjusted, for example is promoted the revolving speed of motor 16, and/or increased the output voltage of negative pressure generator, and/or increase air-heater
Power；If the beading size of nanofiber 01 is greater than standard beading size value, step S11 can be avoided centrifugation electrostatic spinning
Machine 1 produces underproof nanofiber 01, and then is adjusted convenient for the subsequent operating condition to centrifugation electrostatic spinning machine 1, than
It such as promotes the revolving speed of motor 16, and/or increases the output voltage of negative pressure generator, and/or increase the power of air-heater；If nanometer
The density of fiber 01 reaches preset density value, then step S11 can convenient for by 01 finished product of nanofiber from centrifugation electrostatic spinning
Machine 1 takes out.
It should be noted that the step S4 to step S7 of above-mentioned 01 diameter of adjusting nanofiber, judges nanofiber 01
Beading quantity whether He Ge step S9, judge whether He Ge step S10 executes sequence for the beading size of nanofiber 01
It can arbitrarily exchange.Such as can first judge whether the beading size of nanofiber 01 is qualified, then judge nanofiber 01
Whether beading quantity is qualified, then adjusts the diameter of nanofiber 01 again, but judges whether nanofiber 01 reaches at collecting board 14
Step S11 to finished product standard should be final step.
Detailed Jie has been carried out to spinning equipment provided by the present invention, at silk detection device and at yarn examination method above
It continues.Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention.It should be pointed out that for those skilled in the art
For, it without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improve and repair
Decorations are also fallen within the protection scope of the claims of the present invention.
Claims (9)
1. a kind of at silk detection device characterized by comprising
It is taken the photograph outside, to what is taken pictures to the nanofiber (01) at collecting board (14) gap set on centrifugation electrostatic spinning machine (1)
As component (2)；
It is electrically connected with the camera assembly (2), the diameter to obtain nanofiber (01), density, beading size and beading number
The controller (3) of amount；
Set on the bracket of centrifugation electrostatic spinning machine (1) outside, to support the camera assembly (2) horizontally disposed.
2. according to claim 1 at silk detection device, which is characterized in that the camera assembly (2) includes:
To the camera (21) taken pictures to the nanofiber (01) at collecting board (14) gap；
Microlens (22) in front of the camera (21).
3. according to claim 1 or 2 at silk detection device, which is characterized in that the controller (3) include with it is described
Camera assembly (2) electrical connection, diameter, density, beading size and beading number to obtain nanofiber (01) in shooting image
The image processing part of amount.
4. according to claim 3 at silk detection device, which is characterized in that
Further include be electrically connected with described image processing unit, the diameter to show nanofiber (01), density, beading size and string
The display of the testing result of pearl quantity；
The controller (3) further include: be electrically connected, with both motor (16) and negative pressure generator to regulate and control fluid reservoir (12)
The control unit of the voltage of revolving speed and collecting board (14).
5. according to claim 4 at silk detection device, which is characterized in that further include:
It is electrically connected with the display, the speed probe (4) to detect fluid reservoir (12) revolving speed；
It is electrically connected with the display, the voltage sensor (5) to detect collecting board (14) voltage.
6. according to claim 4 at silk detection device, which is characterized in that further include:
It is electrically connected with the display, the humidity sensor (6) to detect collecting board (14) interior humidity；
It is electrically connected with the display, the temperature sensor (7) to detect collecting board (14) interior temperature.
7. a kind of spinning equipment characterized by comprising
With collecting board (14), the centrifugation electrostatic spinning machine (1) to produce nanofiber (01)；Wherein, the collecting board
(14) there is the gap exposed for nanofiber (01)；
To detect the diameter of nanofiber (01), density, beading size and beading quantity, such as claim 1 at the gap
It is described in any item at silk detection device to 6.
8. a kind of at yarn examination method characterized by comprising
S1: power on to open and be centrifuged electrostatic spinning machine (1) He Chengsi detection device；
S2: it takes pictures to the nanofiber (01) at collecting board (14) gap；
S3: diameter, density, beading size and the beading quantity of the nanofiber (01) are obtained according to shooting image.
9. according to claim 8 at yarn examination method, which is characterized in that after the step S3 further include:
S4: the diameter of the nanofiber (01) is judged whether within the scope of preset normal diameter, if so, entering step
S8, if it is not, then entering step S5；
S5: judging whether the diameter of the nanofiber (01) exceeds the preset normal diameter range, if so, entering step
Rapid S6, if it is not, then entering step S7；
S6: the revolving speed of motor (16) is improved, and/or increases the output voltage of negative pressure generator；
S7: the revolving speed of the motor (16) is reduced, and/or reduces the output voltage of the negative pressure generator；
S8: judging whether the beading quantity of the nanofiber (01) exceeds preset standard beading quantitative value, if so, into
Step S11, otherwise enters step S9；
S9: judging whether the beading size of the nanofiber (01) exceeds preset standard beading size value, if so, into
Step S11, otherwise enters step S10；
S10: judging whether the density of the nanofiber (01) reaches preset density value, if so, entering step S11；
S11: the control centrifugation electrostatic spinning machine (1) is closed.
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| CN201910542742.XA CN110207600A (en) | 2019-06-21 | 2019-06-21 | A kind of spinning equipment, at silk detection device and at yarn examination method |
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| CN201910542742.XA CN110207600A (en) | 2019-06-21 | 2019-06-21 | A kind of spinning equipment, at silk detection device and at yarn examination method |
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Cited By (1)
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Application publication date: 20190906 |