Laser scoring system for manufacturing flexible substrate solar cell
Technical field
The present invention relates to the laser scoring system for manufacturing flexible substrate solar cell.
Background technology
Solar energy has very as a kind of cleaning, inexhaustible regenerative resource, its development and application
Important meaning.Thinfilm solar cell assembly, with its low-cost high-efficiency, has sustainable development in large-scale photovoltaic generating
Zhan Li.It is more for the stiffness films solar cell research based on glass substrate in the industry, and for the wider array of flexibility of application surface
Thin-film solar cells, then develop slower.Need single battery carrying out connection in series-parallel with traditional silica-based solar cell
And specific component voltage electric current difference is obtained, in the preparation process of flexible thin-film solar cell component, can directly it lead to
Cross change thin film deposition and patterning directly obtains integrated cascade structure, so as to obtain specific component voltage and electric current.
Produced at present for large area flexible Thinfilm solar cell assembly, most production firms or research institution are
The P1 lines of scribing flexible thin-film solar cell are used to using the method for laser scribing, and then drawn for P2/P3 lines using machinery
The method at quarter.In mechanical scratching process, its process velocity is slow, and processing line width is big compared with wide dead zone area, and easily turns over
Side and chipping phenomenon, component power loss are higher;Mechanical needle loss simultaneously is serious, it is necessary to frequently change mechanical needle and regular pair sets
It is standby to be safeguarded, increase component manufacturing cost.And the corresponding substrate of method of this mechanical scribing is rigid substrate, for
Flexible substrate, it is extremely difficult even infeasible that mechanical scribing becomes.Therefore machinery can be improved using full laser scribing and drawn
The problem of quarter brings, while lifting the efficiency of flexible substrate film solar cell.
Utility model content
It is an object of the invention to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided,
The laser scoring system for being used to manufacture flexible substrate solar cell of line efficiency and quality can be effectively improved.
The present invention the used technical scheme that solves the above problems is:Laser for manufacturing flexible substrate solar cell
Scoring system, including for producing the laser platform of laser, scribing platform, for conveying flexible substrate film solar cell
Wind platform;The laser platform provides the laser beam for line for scribing platform, and scribing platform is to defeated by winding platform
The flexible substrate film solar cell line sent;The scribing platform includes pedestal, XY axles workbench, CCD imaging devices, photograph
Bright device, focus lamp, light path converting annex, absorption platform;The pedestal is provided with XY axle workbench, the XY axles workbench peace
Equipped with CCD imaging devices, lighting device, focus lamp, light path converting annex;The XY axles workbench can drive CCD imaging devices,
Lighting device, focus lamp, the movement of light path converting annex;The lighting device provides imaging light filling for CCD imaging devices;It is described to swash
Light light beam refracts to focus lamp, laser beam approach focus lamp irradiation flexible substrate film solar cell through light path converting annex
Rule;The absorption platform is located at below XY axles workbench;It is described winding platform include tenslator, wind-up roll,
Let off roll, marking device, positioning and recognizing device, the flexible substrate film solar cell are received from let off roll blowing by wind-up roll
Volume, the wind-up roll, let off roll are located at absorption platform both sides, the tenslator, marking device, fixation and recognition dress respectively
Put and be separately positioned between wind-up roll and let off roll on the transport way of flexible substrate film solar cell;The tension force
Tension force during device regulation flexible substrate film solar cell conveying, marking device is beaten flexible substrate film solar cell
Upper mark, the mark that positioning and recognizing device identification marking device is beaten.
Furtherly, in addition to flight light path, the laser light velocity that the laser platform is produced is refracted to through flight light path to be drawn
Carve platform, the flight light path includes speculum, optics and climbed frame, speculum is climbed frame installed in optics, the optics is climbed
Frame regulates and controls the height and angle of speculum.
Furtherly, the winding platform also includes static eraser, and static eraser eliminates flexible substrate film
Solar cell electrostatic.
Furtherly, the winding platform also includes going back edge searching device, cylinder;The cylinder connects wind-up roll, and cylinder can
Wind-up roll is promoted to slide, edge searching device is arranged on the end of wind-up roll, edge searching device detection flexible substrate on wind-up roll
The neat degree of thin-film solar cells end face;When the data that edge searching device is detected exceed setting range, cylinder promotes winding
Roller, which is made, to be optimized and revised.
Furtherly, the absorption platform includes adsorption plate and vavuum pump, and the adsorption plate includes the hole provided with aspirating hole
Face, the exhaust pipe connected with aspirating hole, the vavuum pump connect exhaust pipe;Flexible substrate film solar cell is located at hole
Face, when vavuum pump is evacuated, flexible substrate film solar cell is adsorbed in hole face.
Furtherly, dust pelletizing system is provided with by absorption platform, the dust pelletizing system includes dust-blowing device, dust exhaust apparatus;Institute
State dust-blowing device, dust exhaust apparatus and be separately positioned on the relative both sides of absorption platform, dust-blowing device is by flexible substrate film solar energy
Battery blows to dust exhaust apparatus because of the dust that line is produced, and dust exhaust apparatus dust suction is collected.
Furtherly, the laser platform includes laser, fixed support, circulating water cooling system, laser attenuator assembly, expansion
Shu Jing;The laser, laser attenuator assembly, beam expanding lens are fixedly mounted on fixed support;The circulating water cooling system is to laser
Device is cooled down.
Laser scoring system for manufacturing flexible substrate solar cell, comprises the following steps:System detectio is initial
The unlatching after still abnormal deactivation is opened in line;Continue original setting if the unlatching after detection is abnormal disable;Such as system inspection
Survey is that initial scribes are opened, then comprises the steps:
A. the static eraser starts, and marking device is marked to flexible substrate film solar cell;
B. retractable volume, the let off roll blowing wind-up roll rewinding are opened;
C. positioning and recognizing device detects mark, and the let off roll, wind-up roll stop;
D. absorption platform adsorption flexible substrate film solar cell;
E. marking device mark;
F. dust pelletizing system starts;
G. laser platform starts, and laser beam exposes to focus lamp, and XY axles workbench drives focus lamp line;CCD is imaged
Device record line effect and position;
H. after line terminates, absorption platform is closed;Repeat the above steps b-g;
The line includes drawing P1 lines, P2 lines, P3 lines;When drawing P2 lines, P3 lines, step e can be omitted.
Furtherly, as drawn P2 lines, shot according to previous scribes record storage and CCD imaging devices, find first P1
Line, using first P1 line as original coordinates, according to setting spacing, starts to draw P2 lines.
Furtherly, as drawn P3 lines, shot according to previous scribes record storage and CCD imaging devices, find first P2
Line, using first P2 line as original coordinates, according to setting spacing, starts to draw P3 lines.
Furtherly, it is characterized in that, laser emission wavelength is 200nm-1600nm, and frequency is 1KHz-1000KHz.
The present invention compared with prior art, with advantages below and effect:The present invention is using full laser to large area volume pair
Roll up flexible substrate film solar cell and carry out laser scribe, traditional mechanical scribing can be prevented effectively from flexible substrate is caused to damage
The drawback such as wound, dead zone area are big, line speed is slow, so that the battery efficiency of flexible substrate film solar cell module is improved,
Reach reduction production cost, improve the purpose of production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment.
Fig. 2 is Fig. 1 vertical view to structural representation.
Fig. 3 is the structural representation of laser platform described in the present embodiment.
Fig. 4 is the structural representation of flight light path described in the present embodiment.
Fig. 5 is the structural representation of absorption platform described in the present embodiment.
Fig. 6 is Fig. 5 side view to structural representation.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Embodiment 1.
As shown in Figure 1 to Figure 2, the laser scoring system for manufacturing flexible substrate solar cell is used for described in the present embodiment,
Including the laser platform for producing laser, scribing platform, the winding platform for conveying flexible substrate film solar cell;
The laser platform provides the laser beam for line for scribing platform, and scribing platform is to the flexible liner that is conveyed by winding platform
Bottom thin-film solar cells line;The scribing platform includes pedestal 8, XY axles workbench 9, CCD imaging devices 10, lighting device
11st, focus lamp 13, light path converting annex 15, absorption platform 16;The pedestal 8 is provided with XY axles workbench 9, the XY axles work
Make platform 9 and CCD imaging devices 10, lighting device 11, focus lamp 13, light path converting annex 15 are installed;The XY axles workbench 9 can
CCD imaging devices 10, lighting device 11, focus lamp 13, light path converting annex 15 is driven to move;The lighting device 11 is CCD
Imaging device 10 provides imaging light filling;The laser beam refracts to focus lamp 13, laser beam way through light path converting annex 15
The irradiation flexible substrate film solar cell of footpath focus lamp 13 is rule;The absorption platform 16 is located under XY axles workbench 9
Side;The winding platform includes tenslator 20, wind-up roll 21, let off roll 22, marking device 23, positioning and recognizing device
24, the flexible substrate film solar cell is wound from the blowing of let off roll 22 by wind-up roll 21, the wind-up roll 21, let off roll
22 are located at the both sides of absorption platform 16 respectively, and the tenslator 20, marking device 23, positioning and recognizing device 24 are set respectively
Put between wind-up roll 21 and let off roll 22 on the transport way of flexible substrate film solar cell;The tenslator
Tension force during 20 regulation flexible substrate film solar cell conveying, marking device 23 is beaten flexible substrate film solar cell
Upper mark, the mark that the identification marking device 23 of positioning and recognizing device 24 is beaten.The marking device 23 includes card punch or coding
Device.Pedestal 8 be marble or cast iron materials, it is smooth steady.Light path converting annex 15 described in the present embodiment includes speculum.
Shown in Fig. 4, the present embodiment also includes flight light path, and the laser light velocity that the laser platform is produced is rolled over through flight light path
It is incident upon scribing platform, the flight light path includes speculum 6, optics and climbed frame 7, speculum 6 is climbed frame 7, institute installed in optics
State optics climb frame 7 regulate and control speculum 6 height and angle.
Platform is wound described in the present embodiment also includes static eraser 25, and it is thin that static eraser 25 eliminates flexible substrate
Film solar cell electrostatic.The static eraser 25 is used to eliminate the electrostatic produced during unwinding winding.
Platform is wound described in the present embodiment also to be included going back edge searching device 19, cylinder;The cylinder connects wind-up roll 21, cylinder
Wind-up roll 21 can be promoted to slide, edge searching device 19 is arranged on the end of wind-up roll 21, edge searching device 19 is detected wound on wind-up roll
The neat degree of flexible substrate film solar cell end face on 21;When the data that edge searching device 19 is detected exceed setting range
When, cylinder promotes wind-up roll 21 to make and optimized and revised.The edge searching device 19 is using seeking border conventional in the market.
As it can be seen in figures 5 and 6, absorption platform 16 described in the present embodiment includes adsorption plate and vavuum pump, the adsorption plate includes
Hole face 161 provided with aspirating hole, the exhaust pipe 162 connected with aspirating hole, the vavuum pump connect exhaust pipe 162;It is flexible
Substrate film solar cell is located at hole face 161, when vavuum pump is evacuated, and flexible substrate film solar cell is adsorbed in hole face
161.The absorption platform 16 can be completely fixed flexible substrate film solar cell, and will not allow flexible substrate film solar energy
Battery offsets situation, do not resulted in during a plurality of line dead space because of the skew of flexible substrate film solar cell
Increase, it is possible to reduce dead zone area, lifts cell power generation area.
The side of absorption platform 16 is provided with dust pelletizing system described in the present embodiment, and the dust pelletizing system includes dust-blowing device 17, dust suction
Device 18;The dust-blowing device 17, dust exhaust apparatus 18 are separately positioned on the relative both sides of absorption platform 16, and dust-blowing device 17 will
Flexible substrate film solar cell blows to dust exhaust apparatus 18 because of the dust that line is produced, and the dust suction of dust exhaust apparatus 18 is collected.
As shown in figure 3, laser platform described in the present embodiment include laser 1, fixed support 5, circulating water cooling system 2,
Laser attenuator assembly 3, beam expanding lens 4;The laser 1, laser attenuator assembly 3, beam expanding lens 4 are fixedly mounted on fixed support 5;It is described to follow
Ring water cooling system is cooled down to laser 1.
Laser scoring system for manufacturing flexible substrate solar cell, comprises the following steps:System detectio is initial
The unlatching after still abnormal deactivation is opened in line;Continue original setting if the unlatching after detection is abnormal disable;Such as system inspection
Survey is that initial scribes are opened, then comprises the steps:
A. the static eraser 25 starts, and marking device 23 is marked to flexible substrate film solar cell;
B. retractable volume, the rewinding of 22 blowing wind-up roll of let off roll 21 are opened;
C. positioning and recognizing device 24 detects mark, and the let off roll 22, wind-up roll 21 stop;
D. the adsorption flexible substrate film solar cell of absorption platform 16;
E. marking device mark;
F. dust pelletizing system starts;
G. laser platform starts, and laser beam exposes to focus lamp 13, and XY axles workbench 9 drives focus lamp 13 to rule;CCD
The record of imaging device 10 line effect and position;
H. after line terminates, absorption platform 16 is closed;Repeat the above steps b-g;
The line includes drawing P1 lines, P2 lines, P3 lines;When drawing P2 lines, P3 lines, step e can be omitted.
It is used for the laser scoring system for manufacturing flexible substrate solar cell described in the present embodiment, P2 lines is such as drawn, according to elder generation
Preceding line record storage and CCD imaging devices 10 are shot, and find first P1 line, using first P1 line as original coordinates, according to
Spacing is set, starts to draw P2 lines.
It is used for the laser scoring system for manufacturing flexible substrate solar cell described in the present embodiment, P3 lines is such as drawn, according to elder generation
Preceding line record storage and CCD imaging devices 10 are shot, and find first P2 line, using first P2 line as original coordinates, according to
Spacing is set, starts to draw P3 lines.
It is used for the laser scoring system for manufacturing flexible substrate solar cell, when drawing P1 lines, laser 1 described in the present embodiment
Launch wavelength is 532nm, and frequency is 50KHz;When drawing P2 lines, the launch wavelength of laser 1 is that 532nm, frequency are 500KHz;Draw P3
During line, the launch wavelength of laser 1 is 532nm, and frequency is 50KHz.
Speculum 6 in speculum and flight light path that light path converting annex 15 described in the present embodiment includes, two speculums
Technical term is identical in the present embodiment, is mounted in the same type device of two different parts.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.