CN104237253B - Strand condition detection method and strand condition checkout gear - Google Patents
Strand condition detection method and strand condition checkout gear Download PDFInfo
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- CN104237253B CN104237253B CN201410234461.5A CN201410234461A CN104237253B CN 104237253 B CN104237253 B CN 104237253B CN 201410234461 A CN201410234461 A CN 201410234461A CN 104237253 B CN104237253 B CN 104237253B
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- acceptance part
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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
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
- G01N21/8915—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined non-woven textile material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/062—Electronic slub detector
- B65H63/065—Electronic slub detector using photo-electric sensing means, i.e. the defect signal is a variation of light energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Quality & Reliability (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Mechanical Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
The present invention provides strand condition detection method and strand condition checkout gear.Strand condition checkout gear (100) has：To the light-projecting portion (21) of travel space (13) irradiation light of configuration strand (Y)；Light to be irradiated from light-projecting portion enters the light projector face (32) of the inlet face of travel space；For the light-receiving surface (33) for the exit face that the light irradiated from light-projecting portion and the light that has passed through travel space come out from travel space；Light has passed through the first acceptance part (41) of the light of travel space；Light that light is irradiated from light-projecting portion and do not pass through the second acceptance part (51) of the light of travel space；And the control unit (61) of the driving controlling value of control light-projecting portion.Control unit (61) is executed determines that the determining for variation main cause of the first acceptance part and/or the second acceptance part is handled according to the light income of the first acceptance part, the light income of the second acceptance part and driving with controlling value.
Description
Technical field
The strand condition detection method and strand being detected the present invention relates to the state optical of the strand to traveling
The technology of condition checkout gear.
Background technology
In the fabrication stage of strand, contain impurity in strand sometimes.In addition, also the thickness (apparent thickness) of strand is real sometimes
In matter not necessarily.In strand contain impurity the case where and/or thickness substantially not necessarily in the case of, strand can be caused
Quality reduce.
Conventionally, there is known the presence or absence of the thickness and/or impurity to strand are detected with waiting the state optical of strands
Strand condition checkout gear.Strand condition checkout gear is that light-projecting portion (light is arranged around the travel space of configuration strand
Source) and acceptance part, according to the light income of acceptance part, the state of the equal strands of the presence or absence of thickness and/or impurity to strand
It is detected.
Strand condition checkout gear is to have light projector face between light-projecting portion and travel space, in acceptance part and sky of advancing
Between between have light-receiving surface.Light projector face is the inlet face that the light irradiated from light-projecting portion enters travel space.Light-receiving surface is from light projector
The light (be not only transmitted light, further include the reflected light reflected from strand and/or circumferential component) of portion's irradiation and row is passed through
The exit face come out into the light in space from travel space.Light projector face and light-receiving surface for example by constitute travel space peripheral surface,
Resin component with translucency is constituted.
Strand condition checkout gear is detected the state of strand according to the light income of acceptance part.If light projector face with
And/or person's light-receiving surface generates dirt, then the light income of acceptance part becomes unable to enough states for accurately indicating strand.The dirt example
As due in air dust, be attached to cotton sugar contained in finish or cotton fiber with polyester etc. for the strand of raw material and
It generates.In addition, in the case where light-projecting portion (light source) generates the value for the projection quantity caused by temperature drift and changes, the light income of acceptance part
Also become unable to enough states for accurately indicating strand.For example, (the Light Emitting Diode of LED used in light-projecting portion：
Light emitting diode) there is the characteristic that light quantity reduces when ambient temperature rises.
In this way, in the case where producing dirt and/or temperature drift, it only can not be accurate by the light income of acceptance part
Really detect the state of strand.Main cause (dirt and/or temperature drift) is changed it is therefore desirable to determine, and according to change
Dynamic main cause carries out reply (such as removing dirt) appropriate.
The device for optically measuring yarn diameter is recorded in Japanese Patent Publication 6-92941 bulletins.For example, in Fig. 1
In recorded photophore side be arranged reference diode 6, use the reference diode 6 carry out temperature drift compensation.But and
The determination for changing main cause is not recorded.
Invention content
The purpose of the present invention is to provide strand condition detection method and strand condition checkout gears, to hindering accurately
The presence or absence of the variation main cause of state of strand (the presence or absence of alarm) is detected to be judged.
The strand condition detection method of the first invention is applied to strand condition checkout gear.Above-mentioned strand condition checkout gear
Have：Light-projecting portion, to the travel space irradiation light of configuration strand；Light projector face, the light to be irradiated from above-mentioned light-projecting portion enter above-mentioned
The inlet face of travel space；Light-receiving surface is the light that is irradiated from above-mentioned light-projecting portion and the light that has passed through above-mentioned travel space from above-mentioned
The exit face that travel space comes out；First acceptance part, the light to having passed through above-mentioned travel space carry out light；Second acceptance part,
To the light irradiated from above-mentioned light-projecting portion and light is not carried out by the light of above-mentioned travel space；And control unit, to above-mentioned light projector
The driving in portion is controlled with controlling value.Above-mentioned strand condition detection method comprises the following steps：Above-mentioned control unit is according to above-mentioned
The light income of first acceptance part, the light income of the second acceptance part and above-mentioned driving determine above-mentioned first acceptance part with controlling value
And/or the variation main cause of the light income of above-mentioned second acceptance part.
The strand condition checkout gear of second invention has：Light-projecting portion, to the travel space irradiation light of configuration strand；Light projector
Face, the light to be irradiated from above-mentioned light-projecting portion enter the inlet face of above-mentioned travel space；Light-receiving surface, for what is irradiated from above-mentioned light-projecting portion
The exit face that light and the light for having passed through above-mentioned travel space come out from above-mentioned travel space；First acceptance part, it is above-mentioned to having passed through
The light of travel space carries out light；Second acceptance part does not pass through to the light irradiated from above-mentioned light-projecting portion and above-mentioned travel space
Light carries out light；And control unit, the driving of above-mentioned light-projecting portion is controlled with controlling value.Above-mentioned control unit is according to above-mentioned
The light income of one acceptance part, the light income of above-mentioned second acceptance part and above-mentioned driving determine above-mentioned first light with controlling value
The variation main cause of the light income of portion and/or above-mentioned second acceptance part.
Above-mentioned control unit executes above-mentioned determining processing in the state of strand can also being not configured in above-mentioned travel space.
Above-mentioned strand condition checkout gear can also have notification unit, which notifies the change determined by above-mentioned control unit
Dynamic main cause.
Above-mentioned variation main cause can also include the dirt of above-mentioned light projector face and/or above-mentioned light-receiving surface.
Above-mentioned control unit may be in above-mentioned determining processing, to become rule according to the light income of above-mentioned first acceptance part
The light income of above-mentioned driving controlling value and above-mentioned second acceptance part in the case of definite value determines that above-mentioned variation is mainly former
Cause.
Above-mentioned control unit may be in above-mentioned determining processing, to be become according to the light income with above-mentioned first acceptance part
The mode of specified value above-mentioned driving is controlled with controlling value in the case of, above-mentioned driving controlling value is relative to comparing
With the variable value of controlling value and the light income of above-mentioned second acceptance part relative to the increase and decrease amount compared with light income, on determining
State variation main cause.
Above-mentioned comparison can also be in the state that strand is not configured in above-mentioned travel space, be above-mentioned in order to make with controlling value
Above-mentioned driving control of the light income of first acceptance part as specified value and when controlled with controlling value above-mentioned driving
Value.
Above-mentioned comparison can also be in the state that strand is not configured in above-mentioned travel space, be above-mentioned in order to make with light income
Above-mentioned second acceptance part of the light income of first acceptance part as specified value and when controlled with controlling value above-mentioned driving
Light income.
Above-mentioned control unit may be, in above-mentioned determining processing, in above-mentioned driving controlling value relative to above-mentioned comparison
With controlling value increase and above-mentioned second acceptance part light income relative to above-mentioned comparison light income it is unconverted in the case of, judgement
For no dirt and there is temperature rise.
Above-mentioned control unit may be, in above-mentioned determining processing, in above-mentioned driving controlling value relative to above-mentioned comparison
The light income of unchanged with controlling value and above-mentioned second acceptance part relative to above-mentioned comparison light income it is unconverted in the case of, sentence
It is set to no dirt and without temperature change.
Above-mentioned control unit may be, in above-mentioned determining processing, in above-mentioned driving controlling value relative to above-mentioned comparison
With controlling value reduce and above-mentioned second acceptance part light income relative to above-mentioned comparison light income it is unconverted in the case of, judgement
For no dirt and there is temperature reduction.
Above-mentioned control unit may be, in above-mentioned determining processing, in above-mentioned driving controlling value relative to above-mentioned comparison
The light income of unchanged with controlling value and above-mentioned second acceptance part relative to above-mentioned comparison light income it is increased in the case of, judgement
To have dirt and having temperature reduction.
Above-mentioned control unit may be, in above-mentioned determining processing, in above-mentioned driving controlling value relative to above-mentioned comparison
With controlling value reduce and above-mentioned second acceptance part light income relative to above-mentioned comparison light income it is increased in the case of, be determined as
There is dirt and has temperature reduction.
Above-mentioned control unit can also according to the light income of above-mentioned second acceptance part come execute to above-mentioned driving controlling value into
The correcting process of row control.
Above-mentioned control unit executes above-mentioned correcting process in the state of can also being configured with strand in above-mentioned travel space.
Above-mentioned control unit may be in the above correction process, the state of strand to be configured in above-mentioned travel space
In the case that the upper and lower light income for stating the second acceptance part is reduced, in order to make the light income of above-mentioned second acceptance part become specified value
And above-mentioned driving is made to be increased with controlling value.
Above-mentioned control unit may be in the above correction process, the state of strand to be configured in above-mentioned travel space
In the case of the upper and lower light income for stating the second acceptance part is increased, in order to make the light income of above-mentioned second acceptance part become specified value
And above-mentioned driving is made to be reduced with controlling value.
The effect of invention
Strand condition detection method and strand condition checkout gear according to the present invention can determine that obstruction is accurately examined
Survey the variation main cause of the state of strand.
Description of the drawings
Fig. 1 is the perspective sketch of the strand condition checkout gear 100 of embodiment 1.
Fig. 2 is the section for the strand condition checkout gear 100 for indicating to cut off along the direction orthogonal with the strand Y configured
Skeleton diagram.
Fig. 3 A are the skeleton diagrams in the section for the strand condition checkout gear 100 for indicating other examples.
Fig. 3 B are the skeleton diagrams in the section for the strand condition checkout gear 100 for indicating another other examples.
Fig. 4 is the composition for indicating control unit 61, cell controller (the first control units 210) and the second control unit 110
Skeleton diagram.
Fig. 5 is the chart for indicating the case where light projector face 32 and/or light-receiving surface 33 are without dirt, ambient temperature rising.
Fig. 6 is to indicate the chart of light projector face 32 and/or light-receiving surface 33 without dirt, the unconverted situation of ambient temperature.
Fig. 7 is the chart for indicating the case where light projector face 32 and/or light-receiving surface 33 are without dirt, ambient temperature reduction.
Fig. 8 is the chart for indicating the case where light projector face 32 and/or light-receiving surface 33 generate dirt, ambient temperature reduces.
Fig. 9 is to indicate another in the case that light projector face 32 and/or light-receiving surface 33 generate dirt, ambient temperature reduces
The chart of a example.
Figure 10 be to change main cause pattern (the presence or absence of dirt, ambient temperature variation combination), determine processing
Middle driving controlling value is relative to comparing with the light income of the variable value of controlling value and the second acceptance part 51 relative to comparing use
The table that the relationship of the increase and decrease amount of light income is summarized.
Figure 11 is to driving controlling value in being handled according to determination relative to the variable value and second compared with controlling value
The light income of acceptance part 51 relative to compare the variation main cause that can be estimated with the relationship of the increase and decrease amount of light income (dirt
Whether there is or not the variations of, ambient temperature) the table that is summarized of combination.
Specific implementation mode
The strand condition checkout gear 100 of embodiments of the present invention is illustrated with reference to the accompanying drawings.Strand state-detection
Device 100 is applied to fiber machinery 200, is detected to the state optical of the strand Y of traveling.The state of strand Y refers to thick
Carefully (apparent thickness) and/or there is free from admixture.It is not particularly limited using the fiber machinery 200 of strand condition checkout gear 100.
For example, can be applied to automatic bobbin winder or open-end spinning frame.It can also apply to automatic bobbin winder or open-end spinning frame
Fiber machinery 200 in addition.Additionally it is possible to which the inspection checked with being applied to the state optical to the strand of traveling fills
It sets.
Fig. 1 shows the strand condition checkout gears 100 of the travel path configuration along strand Y.Fig. 2 indicate along with configured
The section of the strand condition checkout gear 100 of direction cut-out orthogonal strand Y.Strand condition checkout gear 100 mainly has shell
Body 11, light-projecting portion 21, light projector face 32, light-receiving surface 33, the first acceptance part 41, the second acceptance part 51, control unit 61 and notification unit
71.The strand condition checkout gear 100 of present embodiment is the twin shaft type for having two groups of light sources and acceptance part.
Shell 11 is receiving light-projecting portion 21, light projector face 32, light-receiving surface 33, the first acceptance part 41 and the second acceptance part 51,
And in inside configuration strand Y.It is formed with opening portion 12 in the side of shell 11.It is formed with from opening portion 12 to the inside of shell 11
Configure the travel space 13 of strand Y.Strand Y is configured by inboard guide from the opening portion of shell 11 12 to travel space 13,
And it advances in the position to the direction vertical with the paper of Fig. 2.Strand Y is configured not in a manner of clipping travel space 13
The positioning in travel space 13 of the yarn guide of diagram.
It is formed with the receiving space 14 of receiving light-projecting portion 21 and the second acceptance part 51 in the inside of shell 11.Receiving space
14 have the light path 141,142 for guiding light D1, D2 for being irradiated from light-projecting portion 21 to travel space 13.In the present embodiment,
Light path 141 and travel space 13 are separated by aftermentioned first transmittance plate 311 with translucency.Light path 142 and travel space 13
Separated by aftermentioned second transmittance plate 312 with translucency.Light path 141,142 is connected to by connected space 143.
Travel space 13 irradiation light of the light-projecting portion 21 to configuration strand Y.Light-projecting portion 21 has first light source 211 and second
Light source 212.211 irradiation light D1 of first light source, 212 irradiation light D2 of second light source.First light source 211 is configured at light path 141.Second
Light source 212 is configured at light path 142.By first light source 211 and second light source 212, from different directions to strand Y irradiation lights
D1、D2。
First light source 211 and second light source 212 and the (cell controller (the first control units 210) of control unit 61.With reference to figure
2, Fig. 4) connection.Control unit 61 has the time-sharing circuit controlled the driving of first light source 211 and second light source 212
(illustration omitted).By control unit 61 switches first light source 211 and second light source 212 at high speed by time-sharing circuit alternately according to
Penetrate light D1, D2.Therefore, even if being present in the remote position of strand Y in thickness (apparent thickness) different part and/or impurity
In the case of setting, can also it reliably detect.In addition, in the present embodiment, as first light source 211 and second light source 212
Using CAN type LED, but not limited to this.For example, can also use surface mounting LED.
First acceptance part 41 carries out light to the light for having passed through travel space 13.First acceptance part 41 has the 11st light
Portion 411 and the 12nd acceptance part 412.11st acceptance part 411 is configured in towards travel space 13 and by from the first light
The position of the light D1 irradiations in source 211.12nd acceptance part 412 is configured in towards travel space 13 and by from second light source
The position of 212 light D2 irradiations.11st acceptance part 411 and the 12nd acceptance part 412 and 61 (the first control units of control unit
210) it connects.11st acceptance part 411 and the 12nd acceptance part 412 export signal corresponding with the intensity of light of institute light
To control unit 61.
Herein, first acceptance part 41 (the 11st acceptance part 411, the 12nd acceptance part 412) institute's light " has passed through traveling
The light in space 13 " refers to from the transmitted light and/or reflected light in the light that light-projecting portion 21 irradiates.Transmitted light is not by strand Y
And/or circumferential component reflects and is directly reached from light-projecting portion 21 light of first acceptance part 41.Reflected light be from strand Y with
And/or person's circumferential component reflects and reaches the light of the first acceptance part 41.
In the present embodiment, the driving of the alternating of control unit 61 switching first light source 211 and second light source 212, therefore
When first light source 211 drives, 411 light transmitted light of the 11st acceptance part, 412 light reflected light of the 12nd acceptance part.Second
When light source 212 drives, 412 light transmitted light of the 12nd acceptance part, 411 light reflected light of the 11st acceptance part.
Light projector face 32 is that the light irradiated from light-projecting portion 21 (first light source 211, second light source 212) enters travel space 13
Inlet face.Light-receiving surface 33 is the light irradiated from light-projecting portion 21 (first light source 211, second light source 212) and has passed through travel space
The exit face that 13 light comes out from travel space 13.
In the present embodiment, between light path 141 and travel space 13 and the 12nd acceptance part 412 and travel space 13
Between separated by the first transmittance plate 311 with translucency.Between light path 142 and travel space 13 and the 11st acceptance part
Separated by the second transmittance plate 312 with translucency between 411 and travel space 13.That is, light projector face 32 and light-receiving surface 33 by
First transmittance plate 311 and the second transmittance plate 312 are constituted.First transmittance plate 311 and the second transmittance plate 312 are with translucency
Can, it is not limited to transparent panel.For example, it can be the waves of only transmission light-projecting portion 21 (first light source 211, second light source 212)
The component of long light.
On light projector face 32 and/or light-receiving surface 33, for example, due in air dust, be attached to polyester etc. be original
The finish of the strand of material or contained by cotton fiber cotton sugar and generate dirt.The dirt of light projector face 32 and/or light-receiving surface 33
The light income of the first acceptance part 41 is set to generate variation.Due to dirt and light income generate variation in the case of, the first acceptance part
41 light income becomes unable to enough states for accurately indicating strand Y.Therefore, the dirt of light projector face 32 and/or light-receiving surface 33
Dirt, which becomes the light income of the first acceptance part 41, changes main cause.In addition, " light income " refers to from (the first light of light-projecting portion 21
Source 211, second light source 212) irradiation light by light projector face 32 and by light-receiving surface 33 by the light quantity of 41 light of the first acceptance part.
In addition, no matter light projector face 32 and/or light-receiving surface 33 are whether there is or not dirt, light-projecting portion 21 can all be generated by temperature drift
The variation of caused value for the projection quantity.In the case where generating the variation of the value for the projection quantity caused by temperature drift, the first acceptance part 41
Light income becomes unable to enough states for accurately indicating strand Y.Therefore, the variation of the value for the projection quantity caused by temperature drift is for
The light income of one acceptance part 41, which becomes, changes main cause.In addition, " value for the projection quantity " refers to from light-projecting portion 21 (first light source 211,
Two light sources 212) irradiation light light quantity.That is, the value for the projection quantity of light-projecting portion 21 be from light-projecting portion 21 irradiate and reach light projector face 32 it
The light quantity of preceding light will not be had unstained influence by light projector face 32.
The one of light D1, D2 that second acceptance part, 51 light is irradiated from light-projecting portion 21 (first light source 211, second light source 212)
Partly, do not pass through light D1, D2 of travel space 13.Second acceptance part 51 constitutes light projector monitor.Second acceptance part 51 and control
Portion 61 (cell controller) connection processed.Second acceptance part 51 exports signal corresponding with the intensity of light of institute light to control unit
61。
Second acceptance part 51 is configured at connected space 143.Therefore, no matter light projector face 32 and/or light-receiving surface 33 whether there is or not
Dirt, the second acceptance part 51 can accurately detect the value for the projection quantity of light-projecting portion 21.Therefore, light projector face 32 and/or light
The dirt in face 33, which will not become the light income of the second acceptance part 51, changes main cause.On the other hand, drawn by temperature drift
The variation of the value for the projection quantity of the light-projecting portion 21 risen, which becomes the light income of the second acceptance part 51, changes main cause.It is shown in Fig. 2
Light D1, D2's that the configuration of second acceptance part 51 is irradiated from light-projecting portion 21 (first light source 211, second light source 212) in direct light
The position of a part, but it's not limited to that for the position configured.For example, it is also possible to as shown in Fig. 3 A, Fig. 3 B, the second acceptance part
A part of 51 light D1, D2 irradiated from light-projecting portion 21 via 52 light of reflecting plate.The shape of reflecting plate 52 and position are to appoint
Meaning.In addition, the second acceptance part 51 can also come to carry out light to a part of light D1, D2 via light guides such as optical fiber.
Control unit 61 controls the driving of light-projecting portion 21 (first light source 211, second light source 212) with controlling value.It drives
Employ the value that controlling value is the light projector electric current driven to light-projecting portion 21 (first light source 211, second light source 212).By right
Driving is controlled with controlling value, can be controlled value for the projection quantity.
Control unit 61 is according to the light income of the first acceptance part 41, the light income and driving controlling value of the second acceptance part 51
To determine variation main cause.Change main cause be in alignment with really detect strand Y state cause hinder temperature drift with
And/or person's dirt.Control unit 61 is, such as changing main cause, can be to light projector face 32 and/or light-receiving surface 33
Dirt is detected.Control unit 61 is determined to have police in the case where light projector face 32 and/or light-receiving surface 33 generate dirt
Report.
As described above, control unit 61 execute according to the light income of the light income of the first acceptance part 41, the second acceptance part 51 with
And driving determines the variation main cause of the light income of the first acceptance part 41 and/or the second acceptance part 51 with controlling value
Determine processing.Processing is determined in the state that strand Y is not configured in travel space 13.At the start and/or broken yarn
When, become the state that strand Y is not configured in travel space 13.
Specifically, control unit 61 keeps the light income of the first acceptance part 41 right as specified value in determining processing
Driving is controlled with controlling value.Control unit 61 becomes specified value in determining processing according to the light income of the first acceptance part 41
In the case of driving controlling value and the light income of second acceptance part 51 determine variation main cause.
More specifically, control unit 61 becomes specified value in determining processing according to the light income of the first acceptance part 41
Mode driving is controlled with controlling value in the case of, driving controlling value is relative to the variable value compared with controlling value
And second acceptance part 51 light income relative to the increase and decrease amount compared with light income, to determine variation main cause.
Herein, by the state that strand Y is not configured in travel space 13, in order to make the light income of the first acceptance part 41 at
The case where using controlling value to control driving for specified value is as zero correcting process.Control unit 61 for example can be whenever production
It is carried out zero correcting process when raw broken yarn.
Compare is in the state that strand Y is not configured in travel space 13, in order to make the first acceptance part 41 with controlling value
The driving that light income controls driving with controlling value and obtain as specified value is with controlling value (light projector electric current).Compare use
Controlling value is the driving controlling value obtained in zero correcting process.It is taken at the time of forward at the time of than being determined processing
It must compare and use controlling value.It will obtain and compare the zero correcting process for using controlling value as first zero correcting process.
Compare is in the state that strand is not configured in travel space, in order to make the light of the first acceptance part 41 with light income
The light income of second acceptance part 51 of the amount as specified value and when controlled with controlling value driving.Compare is with light income
The light income of the second acceptance part 51 obtained in zero correcting process.It is taken at the time of forward at the time of than being determined processing
It must compare and use light income.It will obtain and compare the zero correcting process for using light income as first zero correcting process.
That is, carrying out the first zero correcting process at the time of control unit 61 is forward at the time of than being determined processing, obtain
Compare with controlling value and compares and use light income.In determining processing, zero correcting process (the second zero correcting process) is carried out
And the driving controlling value at the moment and the light income of the second acceptance part 51 are obtained, and to comparing with controlling value and comparing use
Light income is compared.According to this as a result, control unit 61 judge light projector face 32 and/or light-receiving surface 33 whether generate dirt,
And/or whether light-projecting portion 21 generates temperature drift.For example, can be by determining that the zero carried out in processing was repaiied in last time
Positive processing (first zero correcting process) compares with controlling value to obtain and compares and use light income.In addition, as variation,
The zero correcting process (first zero correcting process) carried out in being handled by determining before n times compares to obtain with control
Value processed and compares and use light income.In addition, as further variation, the comparison set in factory shipment can also be used
With controlling value and compares and use light income.In this way, comparing with controlling value and comparing not special with the acquirement timing of light income
It limits.
Control unit 61 is set to outside the shell 11 of strand condition checkout gear 100, is set to the inspection of strand state sometimes sometimes
It surveys in the shell 11 of device 100.As shown in figure 4, in the present embodiment, control unit 61 is the unit control of fiber machinery 200
Device (the first control units 210), is set to outside the shell 11 of strand condition checkout gear 100.Or strand state-detection dress
Set the control that the control unit (the second control unit 110) in 100 shell 11 carries out driving controlling value (light projector electric current), unit control
Device (the first control units 210) processed is determined processing.In this case, control unit 61 is by the cell controller (outside shell 11
One control unit 210) and shell 11 in control unit (the second control unit 110) both sides constitute.In this way, control unit 61 can configure
In the inside and/or outside of shell 11.Control unit 61 is not limited to single control unit.
Notification unit 71 notifies the situation to operator in the case where control unit 61 is determined to have alarm.Alternatively,
In the case that control unit 61 determines variation main cause, main cause will be changed and notified to operator.Notification unit 71 is, for example,
Display unit.Notification unit 71 can become body end display unit (display), according to each unit display unit (LED light with
And/or seven sections of lamps of person etc.) or be set to strand condition checkout gear 100 shell 11 display unit (LED light and/or
Seven sections of lamps etc.) either one or two of or a combination thereof.For example, in the case where being judged to having dirt by control unit 61, notification unit 71 is right
Operator shows the information for the dirt for promoting it to remove light projector face 32 and/or light-receiving surface 33.
Then, the variation main cause carried out to strand condition checkout gear 100 determines that processing illustrates.This place
The variation main cause to be determined is the variation master with relevant, the first acceptance part 41 the light income of detection of the state of strand Y
Want reason.Specifically, variation main cause to be determined be light projector face 32 and/or light-receiving surface 33 whether there is or not dirt, with
And/or person has the variation of the value for the projection quantity for light-projecting portion 21 caused by temperature drift (first light source 211, second light source 212) of having no way of.
First, using Fig. 5 to Fig. 9 according to each pattern (variation of the presence or absence of dirt, ambient temperature for changing main cause
Combination) illustrate.
Fig. 5 is denoted as changing the ambient temperature rising without dirt of main cause, light projector face 32 and/or light-receiving surface 33
The case where.The longitudinal axis is the light income of the first acceptance part 41 and the second acceptance part 51 (light projector monitor).Horizontal axis is light-projecting portion 21
The ambient temperature of (first light source 211, second light source 212).Solid line A indicates first acceptance part at first zero correcting process moment
41 and second acceptance part 51 light income.At the time of solid line B expressions are determined processing (the second zero correcting process moment)
The first acceptance part 41 and the second acceptance part 51 light income.It is real compared with the driving of solid line A controlling value (light projector electric current)
The driving of line B controlling value higher.The reason of solid line A, solid line B decline to the right is, with the surrounding temperature due to temperature drift
Degree more rises, then even identical driving controlling value, the value for the projection quantity of light-projecting portion 21 are also more reduced.
As shown in the P1 of solid line A, control unit 61 controls driving with controlling value, so as in first zero correcting process
At the moment, the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Driving control at this time
Value A1 is obtained and uses controlling value A1, the light income L21 of the second acceptance part 51 to be obtained as comparing to use light income as comparing
L21。
The moment is handled (when the second zero correcting process by the time, determining from the first zero correcting process moment
Carve), become ambient temperature T2 (T1 ＜ T2), although driving is unchanged with controlling value A1, the value for the projection quantity of light-projecting portion 21 also reduces
(being reduced to P2 from P1).
As shown in solid line B, control unit 61 controls driving with controlling value, to determine the processing moment the (the 2nd 0
The point correcting process moment), the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T2.Specifically
For, control unit 61 thus increases the value for the projection quantity of light-projecting portion 21 by making driving controlling value increase (increasing to A2 from A1)
(increasing to P3 from P2) makes the light income of the first acceptance part 41 return to specified value (light income L11).At this point, the second acceptance part
51 light income also returns to light income L21.
In this way, as main cause is changed, in the ambient temperature rising without dirt of light projector face 32 and/or light-receiving surface 33
In the case of, determining that processing moment (the second zero correcting process moment), driving controlling value use controlling value relative to comparing
Increase (such as increasing to A2 from A1), and the light income of the second acceptance part 51 is unchanged (for example, with light income relative to comparing
Light income L21 and it is unchanged).
Therefore, control unit 61 determine handle in, driving controlling value relative to compare with controlling value increase and second
The light income of acceptance part 51 relative to compare with light income it is unconverted in the case of, as change main cause, it can be determined that
The ambient temperature rising without dirt of light projector face 32 and/or light-receiving surface 33.
Fig. 6 be denoted as changing main cause, light projector face 32 and/or light-receiving surface 33 without dirt and ambient temperature without change
The case where change.Solid line A indicate first acceptance part 41 at first zero correcting process moment and the light income of the second acceptance part 51,
And first acceptance part 41 and the second acceptance part 51 at (the second zero correcting process moment) at the time of being determined processing
Light income.
As shown in the P1 of solid line A, control unit 61 controls driving with controlling value, so as in first zero correcting process
At the moment, the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Driving control at this time
Value A1 is obtained and uses controlling value A1, the light income L21 of the second acceptance part 51 to be obtained as comparing to use light income as comparing
L21。
The moment is handled (when the second zero correcting process by the time, determining from the first zero correcting process moment
Carve), ambient temperature T1 is remained unchanged, and the value for the projection quantity of light-projecting portion 21 is also unchanged (remaining P1).
As shown in solid line A, control unit 61 controls driving with controlling value, to determine the processing moment the (the 2nd 0
The point correcting process moment), the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Specifically
For, control unit 61 so that driving controlling value is not changed and (is remained A1) even if, the value for the projection quantity of light-projecting portion 21 do not change and (remains
P1), the light income of the first acceptance part 41 is remained into specified value (light income L11).At this point, the light income of the second acceptance part 51
Also light income L21 is remained.
In this way, as main cause is changed, light projector face 32 and/or light-receiving surface 33 are without dirt and ambient temperature is without change
In the case of change, determining that processing moment (the second zero correcting process moment), driving controlling value use control relative to comparing
Value does not change (such as remaining A1), and the light income of the second acceptance part 51 is unchanged (for example, with light income relative to comparing
Light income L21 and it is unchanged).
Therefore, control unit 61 is in determining and handling, unchanged with controlling value and the relative to comparing in driving controlling value
The light income of two acceptance parts 51 relative to compare with light income it is unconverted in the case of, as change main cause, can determine
For light projector face 32 and/or light-receiving surface 33 without dirt and ambient temperature it is unchanged.
Fig. 7 is denoted as changing the ambient temperature reduction without dirt of main cause, light projector face 32 and/or light-receiving surface 33
The case where.Solid line A indicates first acceptance part 41 at first zero correcting process moment and the light income of the second acceptance part 51.It is real
First acceptance part 41 and the second acceptance part 51 at (the second zero correcting process moment) at the time of line B indicates to be determined processing
Light income.
As shown in the P1 of solid line A, control unit 61 controls driving with controlling value, so as in first zero correcting process
At the moment, the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Driving control at this time
Value A1 is obtained and uses controlling value A1, the light income L21 of the second acceptance part 51 to be obtained as comparing to use light income as comparing
L21。
The moment is handled (when the second zero correcting process by the time, determining from the first zero correcting process moment
Carve), become ambient temperature T3 (T1 ＞ T3), although driving is unchanged with controlling value A1, the value for the projection quantity of light-projecting portion 21 also increases
(increasing to P2 from P1).
As shown in solid line B, control unit 61 controls driving with controlling value, to determine the processing moment the (the 2nd 0
The point correcting process moment), the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T3.Specifically
For, thus control unit 61 reduces the value for the projection quantity of light-projecting portion 21 by making driving reduce (being reduced to A3 from A1) with controlling value
(being reduced to P3 from P2) makes the light income of the first acceptance part 41 return to specified value (light income L11).At this point, the second acceptance part
51 light income also returns to light income L21.
In this way, as main cause is changed, in the ambient temperature reduction without dirt of light projector face 32 and/or light-receiving surface 33
In the case of, determining that processing moment (the second zero correcting process moment), driving controlling value use controlling value relative to comparing
It reduces (such as being reduced to A3 from A1), and the light income of the second acceptance part 51 is unchanged (for example, with light income relative to comparing
Light income L21 and it is unchanged).
Therefore, control unit 61 determine handle in, driving controlling value relative to compare with controlling value reduce and second
The light income of acceptance part 51 relative to compare with light income it is unconverted in the case of, as change main cause, it can be determined that
The ambient temperature reduction without dirt of light projector face 32 and/or light-receiving surface 33.
Fig. 8 shows as changing, main cause, light projector face 32 and/or light-receiving surface 33 generate dirt and ambient temperature drops
Low situation.Solid line A indicate first acceptance part 41 at first zero correcting process moment and the light income of the second acceptance part 51,
And at the time of being determined processing second acceptance part 51 at (the second zero correcting process moment) light income.Dotted line A ' is indicated
The light income of first acceptance part 41 at (the second zero correcting process moment) at the time of being determined processing.
As shown in the P1 of solid line A, control unit 61 controls driving with controlling value, so as in first zero correcting process
At the moment, the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Driving control at this time
Value A1 is obtained and uses controlling value A1, the light income L21 of the second acceptance part 51 to be obtained as comparing to use light income as comparing
L21。
The moment is handled (when the second zero correcting process by the time, determining from the first zero correcting process moment
Carve), light projector face 32 and/or light-receiving surface 33 generate dirt and change as ambient temperature T3 (T1 ＞ T3).
As shown in the P2 of dotted line A ', first acceptance part 41 due to the dirt of light projector face 32 and/or light-receiving surface 33
Light income reduces (being reduced to L12 from L11).On the other hand, as shown in the P3 of dotted line A ', since ambient temperature is reduced to T3 (T1
＞ T3), therefore the light income of the first acceptance part 41 increases (increasing to L11 from L12).In this way, in fig. 8, by light projector face 32 with
And/or the reduction of the light income of the first acceptance part 41 caused by the dirt of person's light-receiving surface 33 with reduced by ambient temperature caused by the
The increase of the light income of one acceptance part 41 offsets, and the light income of the first acceptance part 41 is unchanged (remaining L11).
On the other hand, as shown in the P4 of solid line A, since the dirt of light projector face 32 and/or light-receiving surface 33 is not to second
The light income of acceptance part 51 has an impact, and ambient temperature is reduced to T3 (T1 ＞ T3), therefore the light income of the second acceptance part 51
Increase (increasing to L22 from L21).
As shown in solid line A and dotted line A ', control unit 61 controls driving with controlling value, so as to when determining processing
It carves (the second zero correcting process moment), the light income of the first acceptance part 41 becomes specified value (light income at ambient temperature T3
L11).Specifically, control unit 61 makes driving not change (holding A1 is) with controlling value, the value for the projection quantity of light-projecting portion 21 is made not change
(remaining P3), and the light income of the first acceptance part 41 is remained into specified value (light income L11).At this point, the second acceptance part 51
Light income remain and increase to light income L22.
In this way, as main cause is changed, there is dirt in light projector face 32 and/or light-receiving surface 33 and ambient temperature reduces
In the case of, the moment (the second zero correcting process moment) is handled in determination, driving controlling value is controlled relative to use is compared sometimes
Value processed do not change the light income of (such as remaining A1) and the second acceptance part 51 increased with light income relative to comparing (such as from
Light income L21 increases to L22).
Therefore, control unit 61 is in determining and handling, and is not changed with controlling value and the relative to comparing in driving controlling value
The light income of two acceptance parts 51 relative to compare with light income it is increased in the case of, as change main cause, it can be determined that
Light projector face 32 and/or light-receiving surface 33 have dirt and ambient temperature reduces.
Fig. 9 is denoted as changing main cause, light projector face 32 and/or the generation dirt of light-receiving surface 33 and ambient temperature drops
Another example of low situation.Solid line A indicates first acceptance part 41 and the second light at first zero correcting process moment
The light income in portion 51.First acceptance part 41 at (the second zero correcting process moment) at the time of dotted line A ' indicates to be determined processing
Light income.At the time of dotted line B ' indicates to be determined processing first acceptance part 41 at (the second zero correcting process moment) by
Light quantity.The light income of second acceptance part 51 at (the second zero correcting process moment) at the time of solid line B indicates to be determined processing.
As shown in the P1 of solid line A, control unit 61 controls driving with controlling value, so as in first zero correcting process
At the moment, the light income of the first acceptance part 41 becomes specified value (light income L11) at ambient temperature T1.Driving control at this time
Value A1 is obtained and uses controlling value A1, the light income L21 of the second acceptance part 51 to be obtained as comparing to use light income as comparing
L21。
The moment is handled (when the second zero correcting process by the time, determining from the first zero correcting process moment
Carve), light projector face 32 and/or light-receiving surface 33 generate dirt and change as ambient temperature T3 (T1 ＞ T3).
As shown in the P2 of dotted line A ', first acceptance part 41 due to the dirt of light projector face 32 and/or light-receiving surface 33
Light income reduces (being reduced to L12 from L11).On the other hand, as shown in the P3 of dotted line A ', since ambient temperature is reduced to T3 (T1
＞ T3), therefore the light income of the first acceptance part 41 increases (increasing to L13 from L12).In this way, in fig.9, by light projector face 32 with
And/or the reduction of the light income of the first acceptance part 41 caused by the dirt of person's light-receiving surface 33 by ambient temperature less than caused by being reduced
The increase of the light income of first acceptance part 41, therefore the light income of the first acceptance part 41 increases (increasing to L13 from L11).
On the other hand, as shown in the P5 of solid line A, since the dirt of light projector face 32 and/or light-receiving surface 33 is not to second
The light income of acceptance part 51 has an impact, and ambient temperature is reduced to T3 (T1 ＞ T3), therefore the light income of the second acceptance part 51
Increase (increasing to L22 from L21).
As shown in solid line B and dotted line B ', control unit 61 controls driving with controlling value, so as to when determining processing
It carves (the second zero correcting process moment), the light income of the first acceptance part 41 becomes specified value (light income at ambient temperature T3
L11).Specifically, thus control unit 61 makes the throwing of light-projecting portion 21 by making driving reduce (being reduced to A3 from A1) with controlling value
Light quantity reduces (being reduced to P4 from P3), and the light income of the first acceptance part 41 is made to return to specified value (light income L11).At this point, the
The light income of two acceptance parts 51 is reduced to L23 from light income L22.
In this way, as main cause is changed, there is dirt in light projector face 32 and/or light-receiving surface 33 and ambient temperature reduces
In the case of, the moment (the second zero correcting process moment) is handled in determination, driving controlling value is controlled relative to use is compared sometimes
Value processed reduce the light income of (such as being reduced to A3 from A1) and the second acceptance part 51 increased with light income relative to comparing (such as
Increase to L23 from light income L21).
Therefore, control unit 61 determine handle in, driving controlling value relative to compare with controlling value reduce and second
The light income of acceptance part 51 relative to compare with light income it is increased in the case of, as change main cause, it can be determined that throw
Smooth surface 32 and/or light-receiving surface 33 have dirt and ambient temperature reduces.
Figure 10 be to change main cause pattern (the presence or absence of dirt, ambient temperature variation combination), determine processing
Middle driving controlling value is relative to comparing with the light income of the variable value of controlling value and the second acceptance part 51 relative to comparing use
The table that the relationship of the increase and decrease amount of light income is summarized.Figure 11 be to according to determine handle in driving controlling value relative to than
Compared with the light income of the variable value of controlling value and the second acceptance part 51 relative to the relationship energy for comparing the increase and decrease amount with light income
The table that the combination of the variation main cause (variation of the presence or absence of dirt, ambient temperature) enough estimated is summarized.
According to Figure 10, Figure 11, the moment is handled determining, if the light income of the second acceptance part 51 uses light relative to comparing
Measure it is unchanged, then it can be determined that light projector face 32 and/or light-receiving surface 33 do not generate dirt.In addition, the moment is handled determining,
If the light income of the second acceptance part 51 is increased with light income relative to comparing, it can be determined that light projector face 32 and/or
Light-receiving surface 33 generates dirt.
Driving is substantially maintained certain value with controlling value in the traveling of strand Y and (led to by strand condition checkout gear 100
The value that zero crossing correcting process determines), but its variation can also be made as described below.
Control unit 61 is configured in travel space 13 under the state (yarn travel condition) of strand Y, according to the second light
The light income in portion 51 controls driving with controlling value.In this case, the temperature variation in capable of advancing to yarn carries out
Compensation.
Specifically, control unit 61 in travel space 13 be configured with strand Y in the state of, the second acceptance part 51 by
In the case that light quantity is reduced, in order to make the light income of the second acceptance part 51 so that driving controlling value is increased as specified value.That is,
Control unit 61 executes the adjustment of the driving controlling value of the light income based on the second acceptance part 51 in the traveling of strand Y.As a result,
Even if generating temperature change in the traveling of strand Y, can also be modified in real time.
Control unit 61 in travel space 13 be configured with strand Y in the state of, the second acceptance part 51 light income increase
In the case of, in order to make the light income of the second acceptance part 51 so that driving is reduced with controlling value as specified value.In addition, control unit
61 in travel space 13 be configured with strand Y in the state of, the second acceptance part 51 light income reduce in the case of, in order to make
The light income of second acceptance part 51 makes driving be increased with controlling value as specified value.
The strand condition checkout gear 100 of embodiments of the present invention from the description above, has the effect of as follows.
The control unit of strand condition checkout gear can be according to the light income of the first acceptance part, the light income of the second acceptance part
And driving determines whether alarm with controlling value.Refer to that whether there is or not cause to hinder to the state for accurately detecting strand whether there is or not alarm
Variation main cause.
The control unit of strand condition checkout gear is in the case where light projector face and/or light-receiving surface generate dirt, judgement
To there is alarm.Therefore, it is possible to be grasped using the dirt in light projector face and/or light-receiving surface as main cause is changed.
Strand condition checkout gear has notification unit, in the case where control unit is judged to having alarm, notification unit notice
The situation.Therefore, in the case where light projector face and/or light-receiving surface generate dirt, which can be notified to operator,
Operator can carry out reply appropriate.
The control unit execution of strand condition checkout gear is according to the light income of the first acceptance part, the light income of the second acceptance part
And driving with controlling value come determine the first acceptance part and/or the second acceptance part light income variation main cause really
Fixed processing.That is, control unit can distinctively detect the generation of generation and the temperature drift of dirt.Therefore, it is possible to distinctively determine
Change main cause.
Strand condition checkout gear has notification unit, in the case where control unit determines and changes main cause, the notice
Portion's notice changes main cause.Therefore, operator can distinctively grasp variation main cause, can carry out and change main original
Because of corresponding reply appropriate.
The control unit of strand condition checkout gear becomes specified value in determining processing, with the light income of the first acceptance part
Mode controls driving with controlling value, and is used as the driving in the case of specified value according to the light income of the first acceptance part
The light income of controlling value and the second acceptance part determines variation main cause.Therefore, becoming can be accurate to the state of strand
The state that ground is detected, and can distinctively determine and change main cause.
The control unit of strand condition checkout gear according to by the light income of the first acceptance part become specified value in a manner of to drive
In the case that controlling value is controlled, driving controlling value is employed relative to the variable value and second compared with controlling value
The light income of acceptance part is relative to the increase and decrease amount compared with light income, to determine variation main cause.Therefore, it is controlled according to driving
The increase and decrease amount of the light income of the variable value of value processed and the second acceptance part can be determined distinctively and change main cause.
More than, embodiments of the present invention are illustrated, but the present invention is not limited to the above embodiments, it can
It makes various changes.For example, strand condition checkout gear 100 is illustrated with one section of example, but can also apply to for
The purpose and/or other purposes of the gait of march of detection strand Y and as the detection devices of two sections of compositions.
Strand condition checkout gear 100 is to have two groups of light sources and acceptance part (first light source 211 and the 11st light
The group of the group and second light source 212 and the 12nd acceptance part 412 in portion 411) twin shaft type, but be not limited to twin shaft class
Type.Can also be the single-shaft variants for only having one group of light source and acceptance part (other than light projector monitoring is used).Or, or,
Light source is one, acceptance part is two or three (other than light projector monitoring is used).
Claims (22)
1. a kind of strand condition detection method is applied to strand condition checkout gear,
Above-mentioned strand condition checkout gear has：
Light-projecting portion, to the travel space irradiation light of configuration strand；
Light projector face, the light to be irradiated from above-mentioned light-projecting portion enter the inlet face of above-mentioned travel space；
Light-receiving surface, for the light that irradiate from above-mentioned light-projecting portion and outlet of the light from travel space out for having passed through above-mentioned travel space
Face；
First acceptance part, the light to having passed through above-mentioned travel space carry out light；
Second acceptance part to the light irradiated from above-mentioned light-projecting portion and does not carry out light by the light of above-mentioned travel space；And
Control unit controls the driving of above-mentioned light-projecting portion with controlling value,
In above-mentioned strand condition detection method, comprise the following steps：
Above-mentioned control unit is used according to the light income of above-mentioned first acceptance part, the light income of above-mentioned second acceptance part and above-mentioned driving
Controlling value determines the variation main cause of above-mentioned first acceptance part and/or above-mentioned second acceptance part.
2. a kind of strand condition checkout gear, has：
Light-projecting portion, to the travel space irradiation light of configuration strand；
Light projector face, the light to be irradiated from above-mentioned light-projecting portion enter the inlet face of above-mentioned travel space；
Light-receiving surface, for the light that irradiate from above-mentioned light-projecting portion and outlet of the light from travel space out for having passed through above-mentioned travel space
Face；
First acceptance part, the light to having passed through above-mentioned travel space carry out light；
Second acceptance part to the light irradiated from above-mentioned light-projecting portion and does not carry out light by the light of above-mentioned travel space；And
Control unit controls the driving of above-mentioned light-projecting portion with controlling value,
Above-mentioned control unit is executed according to the light income of above-mentioned first acceptance part, the light income of above-mentioned second acceptance part and above-mentioned drive
At the determination that controlling value is employed to determine the variation main cause of above-mentioned first acceptance part and/or above-mentioned second acceptance part
Reason.
3. strand condition checkout gear as claimed in claim 2, wherein
Above-mentioned control unit executes above-mentioned determining processing in the state that strand is not configured in above-mentioned travel space.
4. strand condition checkout gear as claimed in claim 2 or claim 3, wherein
It is also equipped with notification unit, which notifies the variation main cause determined by above-mentioned control unit.
5. strand condition checkout gear as claimed in claim 4, wherein
Above-mentioned variation main cause includes the dirt of above-mentioned light projector face and/or above-mentioned light-receiving surface.
6. strand condition checkout gear as claimed in claim 2, wherein
In the case that above-mentioned control unit becomes specified value in above-mentioned determining processing according to the light income of above-mentioned first acceptance part
The light income of above-mentioned driving controlling value and above-mentioned second acceptance part determines above-mentioned variation main cause.
7. strand condition checkout gear as claimed in claim 3, wherein
In the case that above-mentioned control unit becomes specified value in above-mentioned determining processing according to the light income of above-mentioned first acceptance part
The light income of above-mentioned driving controlling value and above-mentioned second acceptance part determines above-mentioned variation main cause.
8. strand condition checkout gear as claimed in claim 6, wherein
Above-mentioned control unit in above-mentioned determining processing, according to specified value is become by the light income of above-mentioned first acceptance part in a manner of pair
Above-mentioned driving controlled with controlling value in the case of, above-mentioned driving controlling value is relative to the increase and decrease compared with controlling value
The light income of value and above-mentioned second acceptance part is relative to the increase and decrease amount compared with light income, to determine that above-mentioned variation is mainly former
Cause.
9. strand condition checkout gear as claimed in claim 7, wherein
Above-mentioned control unit in above-mentioned determining processing, according to specified value is become by the light income of above-mentioned first acceptance part in a manner of pair
Above-mentioned driving controlled with controlling value in the case of, above-mentioned driving controlling value is relative to the increase and decrease compared with controlling value
The light income of value and above-mentioned second acceptance part is relative to the increase and decrease amount compared with light income, to determine that above-mentioned variation is mainly former
Cause.
10. strand condition checkout gear as claimed in claim 8, wherein
Above-mentioned comparison is in the state that strand is not configured in above-mentioned travel space with controlling value, in order to make above-mentioned first acceptance part
Driving controlling value of the light income as specified value and when controlled with controlling value above-mentioned driving.
11. strand condition checkout gear as claimed in claim 9, wherein
Above-mentioned comparison is in the state that strand is not configured in above-mentioned travel space with controlling value, in order to make above-mentioned first acceptance part
Driving controlling value of the light income as specified value and when controlled with controlling value above-mentioned driving.
12. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned comparison is in the state that strand is not configured in above-mentioned travel space with light income, in order to make above-mentioned first acceptance part
Above-mentioned second acceptance part of the light income as specified value and when controlled with controlling value above-mentioned driving light income.
13. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned control unit increased with controlling value relative to above-mentioned comparison in above-mentioned determining processing, in above-mentioned driving controlling value and
The light income of above-mentioned second acceptance part relative to above-mentioned comparison light income it is unconverted in the case of, be determined as no dirt and have temperature
Degree rises.
14. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned control unit is unchanged relative to above-mentioned comparison controlling value in above-mentioned driving controlling value in above-mentioned determining processing
And the light income of above-mentioned second acceptance part relative to above-mentioned comparison light income it is unconverted in the case of, be determined as no dirt and nothing
Temperature change.
15. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned control unit reduced with controlling value relative to above-mentioned comparison in above-mentioned determining processing, in above-mentioned driving controlling value and
The light income of above-mentioned second acceptance part relative to above-mentioned comparison light income it is unconverted in the case of, be determined as no dirt and have temperature
Degree reduces.
16. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned control unit is unchanged relative to above-mentioned comparison controlling value in above-mentioned driving controlling value in above-mentioned determining processing
And the light income of above-mentioned second acceptance part relative to above-mentioned comparison light income it is increased in the case of, be judged to having dirt and have temperature
Degree reduces.
17. such as claim 8 to 11 any one of them strand condition checkout gear, wherein
Above-mentioned control unit reduced with controlling value relative to above-mentioned comparison in above-mentioned determining processing, in above-mentioned driving controlling value and
The light income of above-mentioned second acceptance part relative to above-mentioned comparison light income it is increased in the case of, be judged to having dirt and have temperature
It reduces.
18. strand condition checkout gear as claimed in claim 2 or claim 3, wherein
Above-mentioned control unit repaiies above-mentioned driving with what controlling value was controlled to execute according to the light income of above-mentioned second acceptance part
Positive processing.
19. strand condition checkout gear as claimed in claim 18, wherein
Above-mentioned control unit executes above-mentioned correcting process in the state of being configured with strand in above-mentioned travel space.
20. strand condition checkout gear as claimed in claim 19, wherein
Above-mentioned control unit in the above correction process, in above-mentioned travel space be configured with strand in the state of, above-mentioned second
In the case that the light income of acceptance part is reduced, in order to make the light income of above-mentioned second acceptance part make above-mentioned driving as specified value
Increased with controlling value.
21. strand condition checkout gear as claimed in claim 19, wherein
Above-mentioned control unit in the above correction process, in above-mentioned travel space be configured with strand in the state of, above-mentioned second
In the case of the light income of acceptance part is increased, in order to make the light income of above-mentioned second acceptance part so that driving is controlled as specified value
Value processed is reduced.
22. strand condition checkout gear as claimed in claim 20, wherein
Above-mentioned control unit in the above correction process, in above-mentioned travel space be configured with strand in the state of, above-mentioned second
In the case of the light income of acceptance part is increased, in order to make the light income of above-mentioned second acceptance part so that driving is controlled as specified value
Value processed is reduced.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-125793 | 2013-06-14 | ||
| JP2013125793A JP6241087B2 (en) | 2013-06-14 | 2013-06-14 | Yarn state detection method and yarn state detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237253A CN104237253A (en) | 2014-12-24 |
| CN104237253B true CN104237253B (en) | 2018-09-14 |
Family
ID=52009987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410234461.5A Expired - Fee Related CN104237253B (en) | 2013-06-14 | 2014-05-29 | Strand condition detection method and strand condition checkout gear |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6241087B2 (en) |
| CN (1) | CN104237253B (en) |
| CH (1) | CH708179B1 (en) |
| DE (1) | DE102014211249A1 (en) |
| IN (1) | IN2014CH02841A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ201875A3 (en) * | 2018-02-15 | 2019-08-28 | Rieter Cz S.R.O. | Device for non-contact measuring the parameters of linear textile formation, control method and textile machine |
| CZ201888A3 (en) * | 2018-02-22 | 2019-09-04 | Rieter Cz S.R.O. | Method of controlling an optical element at a workstation of a textile machine, in particular a yarn manufacturing machine and a textile machine |
| CN109594247A (en) * | 2019-02-16 | 2019-04-09 | 苏州多来运家居用品有限公司 | A kind of tufting machine broken string automatic detection device |
| CN111926427B (en) * | 2020-08-07 | 2021-12-28 | 苏州汇川技术有限公司 | Single-spindle detection system, control method, device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1732379A (en) * | 2002-12-24 | 2006-02-08 | 株式会社久保田 | Fruit-vegetable quality evaluation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH668483A5 (en) * | 1985-12-17 | 1988-12-30 | Zellweger Uster Ag | METHOD AND DEVICE FOR DETERMINING THE SURFACE STRUCTURE OF A LONG STRETCH TEST BODY, IN PARTICULAR FOR MEASURING THE HAIRNESS OF A YARN. |
| JP3189378B2 (en) * | 1992-04-15 | 2001-07-16 | 住友電気工業株式会社 | Device for detecting bubbles in optical fiber resin coating and method for detecting bubbles in optical fiber resin coating |
| JP3215229B2 (en) | 1992-07-30 | 2001-10-02 | 株式会社半導体エネルギー研究所 | Optically active compound and liquid crystal composition containing the compound |
| CH686803A5 (en) * | 1993-09-09 | 1996-06-28 | Luwa Ag Zellweger | Method and apparatus for detecting foreign substances in a textile test material. |
| CN1700882A (en) * | 2003-06-13 | 2005-11-23 | 松下电器产业株式会社 | Optical fat measuring device |
| CZ2010423A3 (en) * | 2010-05-28 | 2010-08-18 | Perner@Petr | Method and apparatus for continuous detection of thickness and/or homogeneity of a linear configuration, especially textile fiber |
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2013
- 2013-06-14 JP JP2013125793A patent/JP6241087B2/en not_active Expired - Fee Related
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2014
- 2014-05-29 CN CN201410234461.5A patent/CN104237253B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732379A (en) * | 2002-12-24 | 2006-02-08 | 株式会社久保田 | Fruit-vegetable quality evaluation device |
Also Published As
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| DE102014211249A1 (en) | 2014-12-18 |
| JP2015001433A (en) | 2015-01-05 |
| CH708179A2 (en) | 2014-12-15 |
| IN2014CH02841A (en) | 2015-09-04 |
| JP6241087B2 (en) | 2017-12-06 |
| CN104237253A (en) | 2014-12-24 |
| CH708179B1 (en) | 2018-06-29 |
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