CN202133623U - Photoelectric wool thread end detection device - Google Patents
Photoelectric wool thread end detection device Download PDFInfo
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- CN202133623U CN202133623U CN201120171345U CN201120171345U CN202133623U CN 202133623 U CN202133623 U CN 202133623U CN 201120171345 U CN201120171345 U CN 201120171345U CN 201120171345 U CN201120171345 U CN 201120171345U CN 202133623 U CN202133623 U CN 202133623U
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Abstract
The utility model relates to a photoelectric wool thread end detection device, which adopts the structure that a thread end detecting unit is a non-contact photoelectric detection mechanism; a wool detection passage is arranged between an LED light source unit and a photoelectric receiving chip to ensure that the wool motion path covers the optical path between the LED light source unit and the photoelectric receiving chip; a thread end detection signal processing unit comprises a magnifier, a thread end identifier, a yarn branch setting unit, and a thread end pulse storage display unit; the output of the photoelectric receiving chip is connected to the input end of the magnifier, and the output end of the magnifier is connected to the thread end detection signal input end of the thread end identifier; the yarn branch setting unit is connected to the reference signal input end of the thread end identifier; and pulse signals output by the thread end identifier are connected to the input end of the thread end pulse storage display unit. Therefore, the thread end detection to the wool of various different yarn braches can be realized, and the problems of the conventional mechanical detection device such as low detection accuracy, large errors, and difficult adjustment and maintenance can be solved.
Description
Technical field
The utility model relates to a kind of textile product quality detection device, relates in particular to a kind of photo-electric knitting wool tieing pick-up unit.
Background technology
The tieing number is the important evidence that knitting woollen knitting wool product appearance quality such as comments at classification; According to knitting woollen knitting wool product national Specification; In 250g knitting woollen knitting wool product, the tieing number of high-class product does not allow to surpass 2, and the tieing number of Grade A does not allow above 4.Yet, for a long time, on knitting wool balling-up machining production line, detect a great problem that tieing remains puzzlement enterprise exactly.China utility model patent ZL96210572.4 discloses a kind of knitting wool slubbing pick-up unit, can utilize the indication of simple mechanical principle and luminotron, detects the faults such as slubbing, egagropilus and all kinds of joints that occur in the weaving knitting wool process.The knitting wool sliver sense channel that this device adopts the lever jack of a short roller and knitting wool sliver to constitute; Utilize mechanical detection door on this sense channel as slubbing detection knitting wool diameter; Utilize the mechanical motion control trigger switch of detecting gate, drive the testing circuit action and realize the detection of knitting wool slubbing and the demonstration of detected state.Though having solved hand inspection, the knitting wool slubbing pick-up unit of ZL96210572.4 wastes time and energy, detects the quality problem of unstable,, might influence the shortcoming of product quality when existing knitting wool because of frictionally damage at a high speed through the mechanical detection door; Simultaneously, owing to receive the restriction of mechanical movement means detection sensitivity and precision, it is low that this device exists accuracy in detection, and the defective that false failure rate is big still can not guarantee the quality of knitting wool product effectively.Though the gap that this device can be provided with through the detecting gate of regulating on the sense channel adapts to the knitting wool of different thicknesses,, when changing product variety at every turn; This mechanical type regulative mode need be shut down the back and by the Maintenance Man each yarns passage adjusted; Not only waste time and energy, influence production efficiency, but also be difficult to guarantee degree of regulation and consistance; Cause accuracy in detection inconsistent, and then influence the stability of knitting wool product quality.The knitting wool slubbing pick-up unit of ZL96210572.4 utilizes the latching characteristics after silicon-controlled device triggers to store the fault pulse condition, though have the advantage of intuitive display, has discrete component assembly cost height and the problem that is not easy to expand the fault counting region.
The utility model content
The purpose of the utility model is that a kind of photo-electric knitting wool tieing pick-up unit will be provided; Adopt optical detection principle and electronic control mode; Realization is carried out the tieing detection to the knitting wool of various yarn with different; The accuracy in detection that solves existing machinery formula pick-up unit is low, and false failure rate is big, regulates technical matters difficult in maintenance.
The utility model solves the problems of the technologies described above the technical scheme that is adopted,
A kind of photo-electric knitting wool tieing pick-up unit comprises the tieing detecting unit, and tieing detection signal processing unit and knitting wool sense channel is characterized in that,
Described tieing detecting unit is the non-contact type photoelectricity testing agency that led light source unit and photoelectricity receiving chip are formed;
Described knitting wool sense channel places between described led light source unit and the photoelectricity receiving chip, to guarantee that the current track of knitting wool is through the light path between led light source unit and the photoelectricity receiving chip;
Described tieing detection signal processing unit is by amplifier, the tieing Discr., and yarn count setup unit and tieing pulse storage and display unit are formed; The output of photoelectricity receiving chip is connected to amplifier input terminal, and the output terminal of amplifier is connected to the tieing detection signal input end of tieing Discr.; The yarn count setup unit is connected to the reference signal input end of tieing Discr.; The pulse signal of tieing Discr. output is connected to the input end of tieing pulse storage and display unit.
A kind of preferable technical scheme of the photo-electric knitting wool tieing pick-up unit of the utility model is; Described tieing Discr. is a voltage comparator; The yarn count setup unit is connected to an input end of voltage comparator; Provide and knitting wool yarn count corresponding reference voltage, the tieing detection signal that amplifies through amplifier is connected to another input end of voltage comparator, and the voltage comparator output terminal is connected to the input end of described tieing pulse storage and display unit.
A kind of better technical scheme of the photo-electric knitting wool tieing pick-up unit of the utility model is that tieing pulse storage and display unit is made up of integrated circuit shift register and LED tieing pilot lamp; Tieing Discr. output terminal is connected to the shift pulse input end of shift register; The parallel data output terminal of shift register connects the tieing pilot lamp, and the clear terminal of shift register connects reset key.
The further improvement of the photo-electric knitting wool tieing pick-up unit of the utility model is to adopt the seal casinghousing structure; Described led light source unit seal group is contained in the light source shell; Described photoelectricity receiving chip and tieing detection signal processing unit seal group are contained in the main casing, and described knitting wool sense channel is formed by being fixed on the last lever on the main casing detection panel, following lever and guide shaft.
The beneficial effect of the utility model is:
1. the photo-electric knitting wool tieing pick-up unit of the utility model adopts photo-electric non-contact detecting mode, avoided because of mechanical detection mechanism maybe be to the influence of knitting wool product quality.
2. the photo-electric knitting wool tieing pick-up unit of the utility model adopts the seal casinghousing structure, and the workshop flying dust of both can having avoided weaving can satisfy the requirement of the fire safety of textile enterprise's electrical equipment again to the influence of photoelectric detecting signal.
3. the photo-electric knitting wool tieing pick-up unit of the utility model adopts electronic type yarn count setup unit to regulate the knitting wool yarn count is set; Solved and by the Maintenance Man each yarns passage has been adjusted after the mechanical type regulative mode need be shut down; Waste time and energy, influence production efficiency and be difficult to guarantee degree of regulation and conforming technical matters.
4. the photo-electric knitting wool tieing pick-up unit of the utility model adopts digital integrated circuit storage tieing pulse signal, has solved discrete component assembly cost height and the problem that is not easy to expand the fault counting region.
Description of drawings
Fig. 1 is the structural representation of use installment state of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 2 is detection panel and the structural representation of sense channel of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 3 is the structural representation (A is to partial enlarged drawing) of control panel of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 4 is the surface of light source plate structure synoptic diagram (B is to partial enlarged drawing) of led light source unit of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 5 is the electrical schematic diagram of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 6 is the electric hookup of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 7 is the electrical schematic diagram of tieing Discr. of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 8 is the oscillogram of tieing Discr. of the photo-electric knitting wool tieing pick-up unit of the utility model,
Fig. 9 is the electrical schematic diagram of tieing pulse storage and display unit of the photo-electric knitting wool tieing pick-up unit of the utility model.
The label of each parts in more than scheming: 1-LED light source cell, 2-tieing detection signal processing unit, 3-mainboard, 4-upper holder, 5-lower fixed frame; The last lever of 6-, 7-light source panel, 8-light source wiring board, 9-light source shell, lever under the 10-; The 11-power connector, the 12-light source bracket, 13-detects panel, 14-receiving chip plate, 15-main casing; The 16-guide shaft, 17-control panel, 18-supply socket, 19-trimmer potentiometer, 20-dial switch; 21-tieing pilot lamp, 22-reset key, 23-guide pole, the 24-knitting wool track that passes through, 25-yarn guide steel pipe; 201-photoelectricity receiving chip, 202-amplifier, 203-tieing Discr., 204-yarn count setup unit, 205-tieing pulse storage and display unit.
Embodiment
In order to understand the technique scheme of the utility model better, describe in detail further below in conjunction with accompanying drawing and embodiment.
First embodiment of the photo-electric knitting wool tieing pick-up unit of the utility model is made up of three parts, like Fig. 1 and shown in Figure 5.First is the tieing detecting unit, the non-contact type photoelectricity testing agency that the tieing detecting unit is made up of led light source unit 1 and photoelectricity receiving chip 201.Led light source unit 1 is made up of the high-brightness LED luminotron, and the high-brightness LED luminotron is assembled on the light source wiring board 8, and sealing is installed in the light source shell 9, sees through light source panel 7, for photoelectricity receiving chip 201 provides reliable and stable light source.Led light source unit 1 is connected to outside dc power supply through power connector 11.Photoelectricity receiving chip 201 is installed on the receiving chip plate 14 in the main casing 15, and it is relative to see through the light source panel 7 that detects panel 13 and led light source unit 1, forms to detect light path.
The second portion of the photo-electric knitting wool tieing pick-up unit of the utility model is a tieing detection signal processing unit 2; By amplifier 202; Tieing Discr. 203, yarn count setup unit 204 is formed with tieing pulse storage and display unit 205, and seal group is contained in main casing 15 inside.On the control panel 17 of main casing 15, supply socket 18 is installed, trimmer potentiometer 19, dial switch 20, tieing pilot lamp 21 and reset key 22 are referring to Fig. 3.Supply socket 18 is connected to external dc power, for detecting device provides stable 12V working power.The trimmer potentiometer 19 that is connected to mainboard 3 is potentiometer with lock device, is used for the sensitivity through the enlargement factor correct detection tieing signal of adjustment amplifier.The yarn count setup unit of present embodiment is a dial switch 20; Be used for setting number to the knitting wool of different numbers; For example; During if desired 8 knitting wool balling-up, only need the numeral in the dial switch on the control panel 17 20 be dialled and be " 08 ", the photo-electric knitting wool tieing pick-up unit of the utility model just can detect the tieing of 8 knitting wools.It is very convenient to adopt the adjusting of dial switch yarn count setup unit that the knitting wool yarn count is set; Can regulate voluntarily at any time according to the production needs by the spinner; Solved and by the Maintenance Man each yarns passage has been adjusted after the mechanical type regulative mode need be shut down; Waste time and energy, influence production efficiency and be difficult to guarantee degree of regulation and conforming technical matters.
In the present embodiment, tieing pilot lamp 21 is made up of 3 LED luminotrons that are connected to tieing pulse storage and display unit, is used to represent the number of tieing.The reset key 22 of control panel 17 is connected to tieing pulse storage and display unit; Be used to remove the tieing counting that tieing pilot lamp 21 shows; When a ball balling-up finishes, restarts the tieing counting; Need press the reset key 22 of control panel 17 and remove count value, extinguish the tieing pilot lamp 21 on the control panel 17.
Fundamental diagram and electrical wiring such as Fig. 5 and shown in Figure 6 of the photo-electric knitting wool tieing pick-up unit of the utility model; In detection panel 13 inside photoelectricity receiving chip plate 14 is installed; When the knitting wool tieing through out-of-date; The signal that photoelectricity receiving chip 201 receives on the photoelectricity receiving chip plate 14 changes; Photoelectricity receiving chip 201 output terminals are connected to the amplifier 202 on the mainboard 3, and the output terminal of amplifier is connected to the tieing detection signal input end of tieing Discr. 203, and yarn count setup unit 204 is connected to the reference signal input end of tieing Discr. 203.
Tieing Discr. 203 can adopt the pulse shaping circuit of voltage comparator or this schmitt trigger and so on usually; The embodiment circuit of the tieing Discr. 203 of employing voltage comparator conduct is as shown in Figure 7; In the present embodiment, adopt LM393 integrated circuit voltage comparator.Yarn count setup unit 204 is connected to the in-phase input end of voltage comparator, provides and knitting wool yarn count corresponding reference voltage Vr, and the tieing detection signal Vi after amplifying is connected to the inverting input of voltage comparator.The input and output oscillogram of tieing Discr. 203 is as shown in Figure 8, and when not having tieing to pass through, tieing detection signal Vi is lower than reference voltage Vr; The output end vo of voltage comparator remains on high level; Do not export pulse, when the knitting wool tieing passed through sense channel, tieing detection signal Vi produced fluctuation; When the amplitude of tieing detection signal Vi surpasses the reference voltage Vr of yarn count setup unit 204 settings; As the voltage comparator output level upset of tieing Discr. 203, negative pulse of output end vo output, output end vo is connected to the input end of tieing pulse storage and display unit 205.
Tieing pulse storage and display unit 205 need possess the pulse of memory storage tieing and show two functions with counting; Employing has the integrated shift register 74LS194 that function is gone into and gone out to four bit strings; The embodiment that forms tieing pulse storage and display unit 205 is as shown in Figure 9, and in the present embodiment, the output terminal of tieing Discr. 203 is connected to the shift pulse input end CP of shift register 74LS194; The serial data input termination logic high of shift register; The clear terminal CLR of shift register connects reset key 22, and the parallel data output terminal Q0 of shift register～Q3 connects LED tieing pilot lamp 21, is used to represent the tieing counting on the knitting wool.Though the tieing pilot lamp 21 of control panel 17 shown in Figure 3 comprises 3 LED luminotrons, in fact, the technical scheme of employing the utility model can be according to the demand of practical production flexible expansion.Shift register 74LS194 has four parallel data output terminals, can connect 4 LED luminotrons at most, according to same principle, only needs to adopt 8 bit strings to go into and go out shift register and just can expand the tieing counting region with further facilitating.
The third part of the photo-electric knitting wool tieing pick-up unit of the utility model is the knitting wool sense channel.The function of knitting wool sense channel is to let knitting wool be limited in this channel range swing, and is convenient to detect tieing.The knitting wool sense channel is formed by being fixed on the last lever 6 that detects on the panel 13, following lever 10 and guide shaft 16, and knitting wool gets into the knitting wool sense channels through guide pole 23 along the yarn guide steel pipe on the nodulizer 25.The knitting wool sense channel places the light source panel 7 of led light source unit 1 and detects between the panel 13, to guarantee the light path of the current track 24 of knitting wool through the tieing detecting unit between led light source unit 1 and the photoelectricity receiving chip 201.Top guide bar 6 respectively has two with lower guide rod 10, is separately fixed at the both sides of the current track 24 of knitting wool, and the distance between the guide rod of both sides is the width of knitting wool sense channel.The knitting wool that the width of line sense channel should be able to be suitable for any number passes through, and spherical size can not exert an influence when guaranteeing simultaneously when knitting wool is through detecting device after the equipment balling-up again, and placing that knitting wool operates also should be very convenient.The width of knitting wool sense channel can be set to 7-15mm, and the preferable width value is 10mm.
The preferred version of the photo-electric knitting wool tieing pick-up unit of the utility model is to adopt the seal casinghousing structure; Photoelectricity receiving chip 201 is contained in main casing 15 inside with tieing detection signal processing unit 2 seal group; Connecting lower fixed frame 5 and light source bracket 12 on the detection panel 13 of main casing 15; Led light source unit 1 is sealed in the light source shell 9 and is fixed on the light source bracket, together with last lever 6, the mounting structure of lever 10 and guide shaft 6 being integrally formed down.Only need upper holder 4 and lower fixed frame 5 to be fastened on the yarn guide steel pipe 25 on the nodulizer, just can accomplish the installment work of the photo-electric knitting wool tieing pick-up unit of the utility model with screw.
Those of ordinary skill in the art will be appreciated that; Above embodiment only is the technical scheme that is used for explaining the utility model; And be not the qualification that is used as the utility model; Any connotation based on the utility model is to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the utility model.
Claims (8)
1. a photo-electric knitting wool tieing pick-up unit comprises the tieing detecting unit, and tieing detection signal processing unit and knitting wool sense channel is characterized in that,
Described tieing detecting unit is the non-contact type photoelectricity testing agency that led light source unit and photoelectricity receiving chip are formed;
Described knitting wool sense channel places between described led light source unit and the photoelectricity receiving chip, to guarantee that the current track of knitting wool is through the light path between led light source unit and the photoelectricity receiving chip;
Described tieing detection signal processing unit is by amplifier, the tieing Discr., and yarn count setup unit and tieing pulse storage and display unit are formed; The output of photoelectricity receiving chip is connected to amplifier input terminal, and the output terminal of amplifier is connected to the tieing detection signal input end of tieing Discr.; The yarn count setup unit is connected to the reference signal input end of tieing Discr.; The pulse signal of tieing Discr. output is connected to the input end of tieing pulse storage and display unit.
2. the described photo-electric knitting wool of claim 1 tieing pick-up unit; It is characterized in that; Described tieing Discr. is a voltage comparator, and the yarn count setup unit is connected to an input end of voltage comparator, provides and knitting wool yarn count corresponding reference voltage; The tieing detection signal that amplifies through amplifier is connected to another input end of voltage comparator, and the voltage comparator output terminal is connected to the input end of described tieing pulse storage and display unit.
3. the described photo-electric knitting wool of claim 1 tieing pick-up unit; It is characterized in that; Described tieing pulse storage and display unit is made up of shift register and tieing pilot lamp; Tieing Discr. output terminal is connected to the shift pulse input end of shift register, and the parallel data output terminal of shift register connects the tieing pilot lamp, and the clear terminal of shift register connects reset key.
4. each described photo-electric knitting wool tieing pick-up unit of claim 1～3; It is characterized in that; Described led light source unit seal group is contained in the light source shell; Described photoelectricity receiving chip and tieing detection signal processing unit seal group are contained in the main casing, and described knitting wool sense channel is formed by being fixed on the last lever on the main casing detection panel, following lever and guide shaft.
5. the described photo-electric knitting wool of claim 4 tieing pick-up unit is characterized in that, described photoelectricity receiving chip is fixed on the detection panel of main casing, faces knitting wool sense channel and led light source unit.
6. the described photo-electric knitting wool of claim 4 tieing pick-up unit is characterized in that described yarn count setup unit is the dial switch that is fixed on the main casing control panel.
7. the described photo-electric knitting wool of claim 4 tieing pick-up unit is characterized in that, the control panel of described main casing is provided with the tieing pilot lamp of tieing pulse storage and display unit.
8. the described photo-electric knitting wool of claim 4 tieing pick-up unit is characterized in that the control panel of described main casing is provided with the reset key of tieing pulse storage and display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120171345U CN202133623U (en) | 2011-05-26 | 2011-05-26 | Photoelectric wool thread end detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120171345U CN202133623U (en) | 2011-05-26 | 2011-05-26 | Photoelectric wool thread end detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202133623U true CN202133623U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120171345U Expired - Lifetime CN202133623U (en) | 2011-05-26 | 2011-05-26 | Photoelectric wool thread end detection device |
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| Country | Link |
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| CN (1) | CN202133623U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304844A (en) * | 2011-05-26 | 2012-01-04 | 恒源祥（集团）有限公司 | Photoelectric floss knot detection device |
| CN103290666A (en) * | 2013-06-09 | 2013-09-11 | 恒源祥（集团）有限公司 | Optical-mechanical-electric type wool knot detecting device |
| CN103903052A (en) * | 2014-03-21 | 2014-07-02 | 梁晓军 | Knitting wool knot counting device |
-
2011
- 2011-05-26 CN CN201120171345U patent/CN202133623U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304844A (en) * | 2011-05-26 | 2012-01-04 | 恒源祥（集团）有限公司 | Photoelectric floss knot detection device |
| CN103290666A (en) * | 2013-06-09 | 2013-09-11 | 恒源祥（集团）有限公司 | Optical-mechanical-electric type wool knot detecting device |
| CN103290666B (en) * | 2013-06-09 | 2015-06-10 | 恒源祥（集团）有限公司 | Optical-mechanical-electric type wool knot detecting device |
| CN103903052A (en) * | 2014-03-21 | 2014-07-02 | 梁晓军 | Knitting wool knot counting device |
| CN103903052B (en) * | 2014-03-21 | 2016-08-31 | 梁晓军 | A kind of wool thread end counting assembly |
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Granted publication date: 20120201 |