CN103050577A - Tension control device for static wire - Google Patents
Tension control device for static wire Download PDFInfo
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- CN103050577A CN103050577A CN2013100017830A CN201310001783A CN103050577A CN 103050577 A CN103050577 A CN 103050577A CN 2013100017830 A CN2013100017830 A CN 2013100017830A CN 201310001783 A CN201310001783 A CN 201310001783A CN 103050577 A CN103050577 A CN 103050577A
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- tension
- conductive filament
- elastomeric element
- tenslator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Tension Adjustment In Filamentary Materials (AREA)
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Abstract
The invention relates to a tension control device for a static wire, which can be used for supplying a constant tension source with adjustable tension to the static wire and compensating the tension of the static wire to a set value of the tension source through a tension compensating mechanism when the tension of the static wire fluctuates in a wire pulling process, so that the constant tension control of the static wire can be kept during the wire pulling process for manufacturing a solar front face electrode. Moreover, the tension control device disclosed by the invention is further provided with a wire breakage detection circuit for detecting the wire breakage situation of the static wire and alarming. The tension control device is simple in structure, is easy to operate, and is lower in cost; and a very good tension adjusting effect and a very good wire breakage detection effect can be achieved.
Description
Technical field
The present invention relates to the manufacturing field of front electrode of solar battery, particularly a kind ofly make in the process of front electrode of solar battery utilizing the conductive filament wire drawing to wrap up in slurry, the conductive filament tenslator that the tension force of conductive filament is controlled.
Background technology
At present, the production technology of solar battery sheet is mainly used the method for screen process press and silk screen printing, and silk screen printing production line complex structure, manufacturing cost is higher.Because the applicant has invented a kind of solar battery sheet front electrode making apparatus that is different from screen process press, namely use conductive filament is wrapped conductive paste, then form the equipment of the thin grid line of cell piece by the oven dry sintering at cell piece surface label silk.Based on this, the conductive filament that is wrapped with electrocondution slurry in utilization is made in the manufacturing process of front electrode of solar battery grid line, the conductive filament of being wrapped up in slurry must possess certain tension force, thereby be unlikely to relax very much, because too lax wrap up in the slurry effect bad, also be unlikely to fracture of wire, because fracture of wire can cause the thin grid line on the solar battery sheet to tail off, thereby photoelectric conversion efficiency meeting step-down affects generating efficiency.
And the tenslator of existing passive unwrapping wire can only carry out tension force control to a conductive filament, if the conductive filament for every grid line is all taked existing tension control technology, manufacturing cost can be increased sharply so, and owing to the spacing between the every thin grid line is less, also can't realize the integrating of tension control mechanism of the existing passive unwrapping wire of solid wire, and the invention provides a kind of apparatus and method of tension force control that can provide for many conductive filaments, and realized the broken string of conductive filament is detected in real time.
Summary of the invention
Occur when utilizing the conductive filament that is wrapped with electrocondution slurry to make the thin grid line of front electrode of solar battery in order to overcome: conductive filament broken string, conductive filament overtension or tension force cause grid line to relax and the test problems to breaking not, the invention provides a kind of device that many conductive filaments is carried out effective tension control, this tenslator also has break detection circuit simultaneously, has the break alarm function.
The technical solution adopted in the present invention is: the conductive filament tenslator, it comprises supporting seat, tension adjustment roller, resting tension roller and rolling jockey pulley, described tension adjustment roller, resting tension roller and rolling jockey pulley all are installed on the described supporting seat, wherein said resting tension roller and rolling jockey pulley lay respectively at the both sides of described tension adjustment roller and all with respect to angled be arrangeding in parallel about the described tension adjustment roller, described tension adjustment roller can be adjusted up and down the position in described supporting seat.
Further, also comprise tension force compensation mechanism, described tension force compensation mechanism comprises the tension compensating bar, elastomeric element, the elastomeric element upper arm, elastomeric element strutting piece and upper arm rotating shaft, described tension compensating bar is connected to described upper arm rotating shaft by described elastomeric element upper arm, described elastomeric element upper arm is connected to described elastomeric element strutting piece by described elastomeric element, described upper arm rotating shaft is rotatably fixed to supporting seat by bearing, and described tension compensating bar is that pivot is rotated around described upper arm rotating shaft thereby described elastomeric element can spur described elastomeric element upper arm.
Further, also comprise the tension adjustment piece, described tension adjustment piece is connected to described tension adjustment roller, can adjust described tension adjustment roller and move up and down.
Further, also comprise break detection circuit and fracture of wire test bar, one end of described break detection circuit is connected on described tension adjustment roller, resting tension roller, rolling jockey pulley or the tension compensating bar, the other end of described break detection circuit is connected to described fracture of wire test bar, when without fracture of wire, described fracture of wire test bar does not contact with conductive filament.
Further, described elastomeric element strutting piece has the Spring hanging rod in the hole that rotates the adjustment axle and be inserted in described rotation adjustment axle, wherein said rotation is adjusted axle and is rotatably installed in the described supporting seat, and described elastomeric element one end is connected on the described Spring hanging rod.
Further, described Spring hanging rod inserts the length that described rotation adjusts in the axis hole and can adjust in the hole.
Further, described rotation adjustment axle rotates in described supporting seat and can drive described Spring hanging rod rotation, thereby further controls the tensile elongation of described spring.
Further, have a series of hanging holes that are arranged side by side on the described elastomeric element upper arm, described elastomeric element can be connected on the different hanging holes.
Further, described elastomeric element is that spring, extension spring, wind spring or other have flexible parts.
Further, described fracture of wire test bar can be many, and is arranged on the two ends of described tenslator.
The invention has the beneficial effects as follows: this tenslator not only can provide a constant tension force source that Tensity size is adjustable to conductive filament, can also be in drawing process when the conductive filament tension fluctuation, tension force compensation mechanism by wherein carries out tension compensating (also being equalization of strain), with the tension compensating of the described conductive filament set point to the tension force source, thereby in the drawing process of making the solar energy front electrode, keep constant tension force control.And tenslator of the present invention also has break detection circuit and detects conductive filament broken string situation and warning.Tenslator of the present invention is simple in structure, easy operating, cost are lower, can reach good tension adjustment effect and burn out detection effect.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing and example.
Fig. 1 is the overall structure schematic diagram that is in the tenslator in the drawing process;
Fig. 2 is the structural representation of tenslator of the present invention;
Fig. 3 is the cutaway view of the tension force compensation mechanism in the tenslator of the present invention;
Fig. 4 is the enlarged drawing that the present invention opens the elastomeric element strutting piece in the tension force compensation mechanism.
Embodiment
Below in conjunction with drawings and Examples structure of the present invention and concrete operations are further described.
As shown in Figure 1, it shows the conductive filament tenslator in the drawing process of making the solar energy front electrode, as can be seen from the figure, conductive filament 19 is crossed fracture of wire test bar 10 with equally spaced conductive filament 19 after pulling out and evenly equidistantly being separated from conductive filament box 15, thereby enter into conductive filament tenslator of the present invention, through further passing through tension force compensation mechanism wherein behind the tenslator, so that the maintenance of the tension force on the conductive filament 19 is constant, then the conductive filament 19 of suitable tensioning is sent into next step and wrap up in slurry process.
In Fig. 1 and Fig. 3, tenslator includes three jockey pulleys and supporting seat 7, these three jockey pulleys are tension adjustment roller 1, resting tension roller 2 and rolling jockey pulley 4, as can be seen from the figure, this tension adjustment roller 1, resting tension roller 2 and rolling jockey pulley 4 all are installed on the supporting seat 7, resting tension roller 2 and rolling jockey pulley 4 lay respectively at the both sides of tension adjustment roller 1, and be arranged in parallel angularly up and down with respect to tension adjustment roller 1.As shown in figures 1 and 3, the position of resting tension roller 2 and rolling jockey pulley 4 slightly is lower than tension adjustment roller 1, when conductive filament 19 passes through tenslator, conductive filament 19 passes through for 2 times from the resting tension roller, then from the top of tension adjustment roller 1 by (tension adjustment roller 1 is pressed in the below by conductive filament 19), then again from rolling jockey pulley 4 below by (rolling jockey pulley 4 is pressed in conductive filament 19 tops), thereby when carrying out wire-drawing operation, because three jockey pulley high and low positions are inconsistent, therefore when conductive filament 19 during by three jockey pulleys conductive filament 19 and three jockey pulleys all certain cornerite can be arranged.Can certainly carry out other positions to tension adjustment roller 1, resting tension roller 2 and rolling jockey pulley 4 arranges, as utilizing tension adjustment piece 6 tension adjustment roller 1 is adjusted to position under resting tension roller 2, the rolling jockey pulley 4, then conductive filament 19 passes through above resting tension roller 2, then walk around the below of tension adjustment roller 1, pass from rolling jockey pulley 4 tops again, the cornerite that can arrange equally between conductive filament and three jockey pulleys is set like this, the tension force source is provided.
In drawing process, conductive filament 19 when pulled, conductive filament box 15 will give conductive filament 19 certain tension force, this Tensity size, designing institute by conductive filament box 15 determines, but the small needed Tensity size of production that is not enough to satisfy solar battery sheet of this tension force, and size also can not be adjusted.Yet tenslator of the present invention is so that have certain cornerite between conductive filament 19 and three jockey pulleys, and conductive filament 19 own original small tension force that the existence of cornerite can make are to tension adjustment roller 1, radially synthesizing of resting tension roller 2 and rolling jockey pulley 4, produce 19 pairs of tension adjustment rollers 1 of conductive filament, the pressure of resting tension roller 2 and rolling jockey pulley 4, and tension adjustment roller 1, resting tension roller 2 and rolling jockey pulley 4 are not definitely smooth, has certain friction factor, so tension adjustment roller 1, can produce frictional force between resting tension roller 2 and rolling jockey pulley 4 and the conductive filament 19, this frictional force will be so that conductive filament 19 has certain tension force.And, 19 pairs of tension adjustment rollers 1 of the larger conductive filament of cornerite, resting tension roller 2 and rolling jockey pulley 4 synthetic pressure will be larger, frictional force will be larger, thereby cause conductive filament 19 tension force to become large, therefore pass through the adjustment to the high and low position of tension adjustment roller 1 relative resting tension roller 2 and rolling jockey pulley 4, just the cornerite between capable of regulating conductive filament 19 and tension adjustment roller 1, resting tension roller 2 and the rolling jockey pulley 4, thus reach the purpose of the tension force of adjusting conductive filament 19.Tension adjustment roller 1 is to realize by the tension adjustment piece 6 that is arranged on tension adjustment roller 1 two ends with respect to the high and low position between resting tension roller 2 and the rolling jockey pulley 4, move up and down by the waist hole of tension adjustment piece 6 in supporting seat 7, thereby driving tension adjustment roller 1 moves up and down in the waist hole, thereby adjusted the high and low position of tension adjustment roller 1 with respect to resting tension roller 2 and rolling jockey pulley 4, thereby reach the purpose of adjusting conductive filament 19 cornerites.As from the foregoing, tenslator provides the adjustable tension force of a size source can for conductive filament 19.Two fracture of wire test bars 10,11 and conductive filament box 15 be fixed on together on the supporting bracket 16.
Although said structure provides certain tension force can for conductive filament 19, but on the other hand, owing in drawing process, there being other to have the mechanism of active force can cause in the drawing process tension fluctuation larger to conductive filament 19, when causing conductive filament and relax (tension force diminishes), the time and tension (tension force become large), such as the equal tension fluctuation on the inducible conductive filament 19 of the acceleration and deceleration of the jackscrew operation of jackscrew mechanism and conductive filament.The constant tension of starching conductive filament in the manufacturing process is wrapped up in the wire drawing that therefore can't guarantee the solar energy front electrode.For overcoming the tension fluctuation of conductive filament, on basis, mentioned strain size adjustable tension force source, tenslator of the present invention also comprises tension force compensation mechanism, shown in Fig. 2-4, it shows the takeup tension compensation mechanism with spring, this mechanism comprises tension compensating bar 5, spring 9, spring upper arm 8, spring support and upper arm rotating shaft 18, tension compensating bar 5 is connected to upper arm rotating shaft 18 by spring upper arm 8, spring upper arm 8 is connected on the spring support by spring 9, rotating shaft 18 is rotatably fixed to supporting seat 7 by bearing, and described tension compensating bar 5 is rotated for pivot around upper arm rotating shaft 18 thereby spring 9 can spur spring upper arm 8.When extraneous factor causes the tension force of conductive filament 19 to diminish and when lax, spring 9 shrinks by the variation that tension compensating bar 5 and spring upper arm 8 can be sensed moment, thereby the convergent force of spring 9 drives spring upper arm 8 and rotates up centered by upper arm rotating shaft 18, thereby so that rotating up, tension compensating bar 5 tightens conductive filament 19, so that the tension force of conductive filament 19 is got back to the tension value size of bringing in the tension force source again, so the tension force of conductive filament 19 is kept constant.In like manner, when extraneous factor causes silk 19 tension force to become large and during tension, the downward compression and tension compensation bar 5 of tension force meeting on the conductive filament 19, tension compensating bar 5 drives spring upper arm 8 and can be rotated down, when being rotated down so that spring 9 be elongated, tension compensating bar 5 will unwrapping wire, so that the tension force of conductive filament 19 is got back to the tension value size of bringing in the tension force source again, thereby the tension force of conductive filament 19 is kept constant.
In sum, obviously, the tension force of the elastic force of spring 9 and conductive filament 19 is a pair of couples, and this will remain balance to couple, just makes the tension force of conductive filament 19 substantially keep constant.Therefore the selection of the arm of force of the selection of spring 9 stiffness factors and tensile elongation and elastic force is very important, if the moment of elastic force is too large, moment much larger than conductive filament 19 tension force, will cause so conductive filament 19 disrumpent feelings, if the moment of elastic force is too little, again can be so that the take-up deleterious of tension compensating bar 5 can not make conductive filament produce more stable tension force.And the stiffness factor of spring can guarantee by selecting suitable spring, has the hanging hole that is arranged side by side on the spring upper arm 8, and spring 9 can be selected to hang over different positions, hole, thereby can select the different arm of forces.And, the length that spring 9 is stretched then can be adjusted by spring support as shown in Figure 4, as shown in Figure 4, spring support comprises Spring hanging rod 14 and rotation adjusting rod 13, Spring hanging rod 14 is inserted in the hole of rotation adjusting rod 13, rotation adjusting rod 13 then is rotatably installed on the supporting seat 7, it is adjustable that Spring hanging rod 14 is inserted into rotation adjusting rod 13 borough chief's degree, thereby can be inserted in the different depth of 13 li of rotation adjusting rods and rotate tensile elongation or the degree that described rotation adjusting rod 13 is adjusted spring by adjusting Spring hanging rod 14.So simultaneously also so that the range of choice of spring 9 stiffness factors becomes very wide, also so that the debugging of tension force compensation mechanism becomes simple and reliable.Above-mentioned spring 9 can be that extension spring, wind spring or other have flexible parts, and can select as required the elastomeric element of different stiffness factors, thereby can adjust better equalization of strain.
In addition, because rolling jockey pulley 4 and tension compensating bar 5 all roll, also be to be rolling friction between conductive filament 19 and rolling tension force 4 rollers and the tension compensating bar 5, frictional force can not change because of the change of cornerite, when therefore tension compensating bar 5 swings up and down, although changed the cornerite between conductive filament 19 and rolling jockey pulley 4 and the tension compensating bar 5, can not change the Tensity size of conductive filament 19.And rolling jockey pulley 4 and tension compensating bar 5 all are lightweight bars, moment of inertia is minimum, also all adopt the bearing of little inertia, therefore this rolling friction brings too hightension fluctuation can for conductive filament 19 yet, and the Tensity size of conductive filament 19 mainly is by providing with tension adjustment roller 1 and the resting tension roller 2 of 19 one-tenth cornerites of conductive filament.
Although the existence of tenslator is arranged, unknowable extraneous factor is arranged unavoidably, can cause conductive filament disrumpent feelings such as human factor, such as a resolute conductive filament, will lack a grid line on the cell panel, can have a huge impact photoelectric conversion efficiency so.Therefore tenslator of the present invention also has break detection circuit, is used for detecting in real time the accident broken string of drawing process.This break detection circuit is to utilize two fracture of wire test bars 10 and 11, on the electric conductor that an end is connected to conductive filament contacts all the time with testing circuit, such as being connected to tension adjustment rod 1, on the resting tension roller 2, and the other end of testing circuit is connected on other electric conductors, such as being connected on fracture of wire test bar 10 and the fracture of wire test bar 11, these rods do not contact with there being disrumpent feelings conductive filament, but it is disrumpent feelings to work as conductive filament, just can relax and sagging these electric conductors that touches, thereby that continue or at certain transient switching testing circuit, control system detects circuit turn-on, just can provide information warning.
Claims (10)
1. conductive filament tenslator, it is characterized in that, comprise supporting seat, tension adjustment roller, resting tension roller and rolling jockey pulley, described tension adjustment roller, resting tension roller and rolling jockey pulley all are installed on the described supporting seat, wherein said resting tension roller and rolling jockey pulley lay respectively at the both sides of described tension adjustment roller and all with respect to angled be arrangeding in parallel about the described tension adjustment roller, described tension adjustment roller can be adjusted up and down the position in described supporting seat.
2. conductive filament tenslator according to claim 1, it is characterized in that, also comprise tension force compensation mechanism, described tension force compensation mechanism comprises the tension compensating bar, elastomeric element, the elastomeric element upper arm, elastomeric element strutting piece and upper arm rotating shaft, described tension compensating bar is connected to described upper arm rotating shaft by described elastomeric element upper arm, described elastomeric element upper arm is connected to described elastomeric element strutting piece by described elastomeric element, described upper arm rotating shaft is rotatably fixed to supporting seat by bearing, and described tension compensating bar is that pivot is rotated around described upper arm rotating shaft thereby described elastomeric element can spur described elastomeric element upper arm.
3. conductive filament tenslator according to claim 1 is characterized in that, also comprises the tension adjustment piece, and described tension adjustment piece is connected to described tension adjustment roller, can adjust described tension adjustment roller and move up and down.
4. conductive filament tenslator according to claim 2, it is characterized in that, also comprise break detection circuit and fracture of wire test bar, one end of described break detection circuit is connected on described tension adjustment roller, resting tension roller, rolling jockey pulley or the tension compensating bar, the other end of described break detection circuit is connected to described fracture of wire test bar, when without fracture of wire, described fracture of wire test bar does not contact with conductive filament.
5. conductive filament tenslator according to claim 2, it is characterized in that, described elastomeric element strutting piece has the Spring hanging rod in the hole that rotates the adjustment axle and be inserted in described rotation adjustment axle, wherein said rotation is adjusted axle and is rotatably installed in the described supporting seat, and described elastomeric element one end is connected on the described Spring hanging rod.
6. conductive filament tenslator according to claim 5 is characterized in that, the length that described Spring hanging rod inserts in the described rotation adjustment axis hole can be adjusted in the hole.
7. conductive filament tenslator according to claim 5 is characterized in that, described rotation adjustment axle rotates in described supporting seat and can drive described Spring hanging rod rotation, thereby further controls the tensile elongation of described spring.
8. conductive filament tenslator according to claim 2 is characterized in that, has a series of hanging holes that are arranged side by side on the described elastomeric element upper arm, and described elastomeric element can be connected on the different hanging holes.
9. according to conductive filament tenslator claimed in claim 2, it is characterized in that, described elastomeric element is that spring, extension spring, wind spring or other have flexible parts.
10. according to conductive filament tenslator claimed in claim 3, it is characterized in that, described fracture of wire test bar can be many, and is arranged on the two ends of described tenslator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001783.0A CN103050577B (en) | 2013-01-05 | 2013-01-05 | Tension control device for static wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001783.0A CN103050577B (en) | 2013-01-05 | 2013-01-05 | Tension control device for static wire |
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| CN103050577A true CN103050577A (en) | 2013-04-17 |
| CN103050577B CN103050577B (en) | 2017-07-07 |
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| CN201310001783.0A Expired - Fee Related CN103050577B (en) | 2013-01-05 | 2013-01-05 | Tension control device for static wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103668606A (en) * | 2013-12-26 | 2014-03-26 | 张家港市攀峰科技有限公司 | Automatic compensating device for tangential belt constant tension transmission |
| CN107651482A (en) * | 2017-11-02 | 2018-02-02 | 苏州印丝特纺织数码科技有限公司 | A kind of tight cloth apparatus of adjustable tensile force of weaving cotton cloth |
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| CN103050577B (en) | 2017-07-07 |
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Address after: 311305, 75, Grand Garden Road, Qingshan Lake Street, Zhejiang, Ling'an Applicant after: HANGZHOU SALISHI TECHNOLOGY Co.,Ltd. Address before: 310024 No. 6 Industrial Park, transfer road, Zhuan Tong Street, Zhejiang, Hangzhou Applicant before: HANGZHOU SALISHI TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20170707 Termination date: 20220105 |