阅读说明：本技术 一种背接触式高光效光伏电池片的制绒装置 (Back contact type high-light-efficiency photovoltaic cell texturing device ) 是由 赵华飞 于 2021-08-11 设计创作，主要内容包括：本发明公开了一种背接触式高光效光伏电池片的制绒装置,包括机架、行程导轨、行程电机、升降机械臂、电池片输送板、电池片吸附盘、除尘罩、除尘吹风机、吸尘器、制绒槽、喷液管、温控感应器、加热底板、溶液浓度感应器、节流电磁阀和补液箱。本发明能够提高电池转化效率,且载流子传输时间短,还可避免载流子复合,工艺均匀性和产品稳定性高。(The invention discloses a back contact type high-light-efficiency photovoltaic cell texturing device which comprises a rack, a stroke guide rail, a stroke motor, a lifting mechanical arm, a cell conveying plate, a cell adsorption disc, a dust hood, a dust removal blower, a dust collector, a texturing groove, a liquid spraying pipe, a temperature control sensor, a heating bottom plate, a solution concentration sensor, a throttling electromagnetic valve and a liquid supplementing box. The invention can improve the conversion efficiency of the battery, has short carrier transmission time, can avoid carrier recombination, and has high process uniformity and product stability.)

1. The utility model provides a making herbs into wool device of back of body contact formula high light efficiency photovoltaic cell piece which characterized in that: comprises a frame (1), a stroke guide rail (2), a stroke motor (3), a lifting mechanical arm (4), a battery piece conveying plate (5), a battery piece adsorption disc (6), a dust hood (7), a dust removing blower (8), a dust collector (9), a texturing groove (10), a liquid spraying pipe (11), a temperature control inductor (12), a heating bottom plate (13), a solution concentration inductor (14), a throttling electromagnetic valve (15) and a liquid supplementing box (16), wherein the top of the frame (1) is provided with the stroke guide rail (2), the stroke motor (3) is arranged on the stroke guide rail (2), the battery piece conveying plate (5) is arranged at the bottom of the stroke motor (3) through the lifting mechanical arm (4), a plurality of battery piece adsorption discs (6) are distributed at the bottom of the battery piece conveying plate (5), and the front section of the stroke guide rail (2) is coated and arranged in the dust hood (7), the device is characterized in that a dedusting blower (8) facing the bottom of a battery piece conveying plate (5) is arranged at the bottom of a dedusting cover (7), a dust collector (9) is arranged at the top of the dedusting cover (7) corresponding to the dedusting blower (8), a texturing groove (10) is arranged in the middle section of a stroke guide rail (2), texturing liquid is filled in the texturing groove (10), a plurality of liquid spraying pipes (11) vertically immersed in the texturing liquid upwards are distributed at the bottom of the texturing groove (10), a temperature control sensor (12) is vertically arranged on the side wall of the texturing groove (10), a heating bottom plate (13) is arranged at the bottom of the texturing groove (10), the heating bottom plate (13) is connected with the temperature control sensor (12), a solution concentration sensor (14) is arranged on the side wall of the texturing groove (10), and a liquid supplementing tank (16) is connected to the upper part of the texturing groove (10) through a throttling electromagnetic valve (15), high-concentration texturing liquid is filled in the liquid supplementing box (16), and the throttling electromagnetic valve (15) is connected with the solution concentration sensor (14).

2. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the number of the cell adsorption discs (6) is multiple, and the cell adsorption discs (6) are vertically and downwards uniformly distributed at the bottom of the cell conveying plate (5).

3. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: a plurality of uniformly distributed flow guide holes (17) vertically penetrate through the cell conveying plate (5).

4. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the battery piece conveying plate vibration device is characterized in that a vibrator (18) is installed at the joint of the battery piece conveying plate (5) and the lifting mechanical arm (4), and the vibrator (18) can drive the battery piece conveying plate (5) to vibrate left and right.

5. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the battery plate texturing machine is characterized in that the liquid spraying pipes (11) are uniformly distributed on the moving track of the battery plate conveying plate (5), liquid spraying electromagnetic valves (19) are mounted at the bottoms of the liquid spraying pipes (11), the liquid spraying electromagnetic valves (19) are communicated with a texturing liquid filled in the texturing groove (10) through a water pump, conveying plate inductors (20) are arranged at the tops of the liquid spraying pipes (11), and the conveying plate inductors (20) are connected with the liquid spraying electromagnetic valves (19) one by one.

6. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the back section of the travel guide rail (2) is provided with a rinsing bath (21), the rinsing bath (21) is filled with cleaning water, ultrasonic oscillators (22) are uniformly and symmetrically distributed on the inner side wall of the rinsing bath (21), and a bubbling cleaning plate (23) is arranged at the bottom of the rinsing bath (21).

7. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the dust hood (7) is in a transverse cylindrical shape, and an air deflector (24) is spirally arranged on the inner side wall of the dust hood (7) in a surrounding mode.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of photovoltaic cell production, in particular to the technical field of a texturing device of a back contact type high-light-efficiency photovoltaic cell.

[ background of the invention ]

The MWT technology is a metal winding penetration technology and is a main grid-free and back contact electrode-free technology. The MWT technology has multiple advantages, and firstly, the consumption of silver paste is reduced; secondly, shading is reduced by 3% -4%, and the efficiency is improved by 0.4% -0.6% no matter the battery is a single crystal battery or a polycrystalline battery; and thirdly, customized patterns can be made, patterns on the surface of the battery can be customized, the battery is quite attractive, and in addition, the power attenuation of the MWT component is far lower than that of a conventional component through the test and comparison of a certification authority, so that the power generation capacity of the MWT component is more excellent. The front electrode of the existing MWT photovoltaic cell is generally provided with a plurality of main grids on an electrode point, and a plurality of auxiliary grids which are uniformly distributed are connected on a main grid line.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a texturing device of a back contact type high-light-efficiency photovoltaic cell piece, which can improve the cell conversion efficiency, has short carrier transmission time, can avoid carrier recombination, and has high process uniformity and product stability.

In order to achieve the purpose, the invention provides a back contact type high-light-efficiency photovoltaic cell texturing device which comprises a rack, a stroke guide rail, a stroke motor, a lifting mechanical arm, a cell conveying plate, a cell adsorption disc, a dust hood, a dust removing blower, a dust collector, a texturing groove, a liquid spraying pipe, a temperature control inductor, a heating bottom plate, a solution concentration inductor, a throttling electromagnetic valve and a liquid supplementing box, wherein the stroke guide rail is arranged at the top of the rack, the stroke motor is arranged on the stroke guide rail, the cell conveying plate is arranged at the bottom of the stroke motor through the lifting mechanical arm, a plurality of cell adsorption discs are distributed at the bottom of the cell conveying plate, the front section of the stroke guide rail is covered in the dust hood, the dust removing blower facing the bottom of the cell conveying plate is arranged at the bottom of the dust hood, the dust collector is arranged at the top of the dust hood corresponding to the dust removing blower, the middle section of stroke guide rail is provided with the texturing groove, the texturing inslot intussuseption is filled with the texturing liquid, the bottom distribution in texturing groove has a plurality of vertical spray pipes of upwards submergence in the texturing liquid, the vertical control by temperature change inductor that is provided with of lateral wall in texturing groove, the bottom in texturing groove is provided with the heating bottom plate, the heating bottom plate links to each other with the control by temperature change inductor, the lateral wall in texturing groove is provided with the solution concentration inductor, texturing groove upper portion is connected with the fluid infusion case through the throttle solenoid valve, the fluid infusion incasement is filled with high concentration texturing liquid, throttle solenoid valve and solution concentration inductor link to each other.

Preferably, the number of the cell absorption plates is multiple, and the cell absorption plates are vertically and downwards uniformly distributed at the bottom of the cell conveying plate.

Preferably, a plurality of uniformly distributed flow guide holes vertically penetrate through the cell conveying plate.

Preferably, a vibrator is installed at the joint of the battery piece conveying plate and the lifting mechanical arm, and the vibrator can drive the battery piece conveying plate to vibrate left and right.

Preferably, the liquid spraying pipes are uniformly distributed on the moving track of the cell conveying plate, liquid spraying electromagnetic valves are mounted at the bottoms of the liquid spraying pipes and are communicated with the texturing liquid filled in the texturing groove through a water pump, conveying plate sensors are arranged at the tops of the liquid spraying pipes, and the conveying plate sensors are connected with the liquid spraying electromagnetic valves one by one.

Preferably, a rinsing bath is arranged at the rear section of the stroke guide rail, cleaning water is filled in the rinsing bath, ultrasonic oscillators are uniformly and symmetrically distributed on the inner side wall of the rinsing bath, and a bubbling cleaning plate is arranged at the bottom of the rinsing bath.

Preferably, the dust hood is in a shape of a horizontal cylinder, and an air deflector is spirally arranged on the inner side wall of the dust hood in a surrounding manner.

The invention has the beneficial effects that: according to the invention, the frame, the stroke guide rail, the stroke motor, the lifting mechanical arm, the battery piece conveying plate, the battery piece adsorption disc, the dust hood, the dust removal blower, the dust collector, the texturing groove, the liquid spraying pipe, the temperature control sensor, the heating bottom plate, the solution concentration sensor, the throttling electromagnetic valve and the liquid supplementing box are combined together, through experimental optimization, the battery conversion efficiency can be improved, the carrier transmission time is short, carrier recombination can be avoided, and the process uniformity and the product stability are high.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a texturing device for a back-contact high-light-efficiency photovoltaic cell of the invention.

In the figure: 1-frame, 2-stroke guide rail, 3-stroke motor, 4-lifting mechanical arm, 5-cell conveying plate, 6-cell adsorption plate, 7-dust hood, 8-dust-removing blower, 9-dust collector, 10-texturing groove, 11-liquid spraying tube, 12-temperature control inductor, 13-heating bottom plate, 14-solution concentration inductor, 15-throttling electromagnetic valve, 16-liquid supplementing box, 17-flow guiding hole, 18-oscillator, 19-liquid spraying electromagnetic valve, 20-conveying plate inductor, 21-water washing groove, 22-ultrasonic oscillator, 23-bubbling cleaning plate and 24-air deflector.

[ detailed description ] embodiments

Referring to fig. 1, the invention relates to a texturing device for a back contact type high-light-efficiency photovoltaic cell, which comprises a frame 1, a stroke guide rail 2, a stroke motor 3, a lifting mechanical arm 4, a cell conveying plate 5, cell adsorption discs 6, a dust hood 7, a dust removing blower 8, a dust collector 9, a texturing groove 10, a liquid spraying pipe 11, a temperature control inductor 12, a heating bottom plate 13, a solution concentration inductor 14, a throttling electromagnetic valve 15 and a liquid supplementing box 16, wherein the top of the frame 1 is provided with the stroke guide rail 2, the stroke guide rail 2 is provided with the stroke motor 3, the bottom of the stroke motor 3 is provided with the cell conveying plate 5 through the lifting mechanical arm 4, the bottom of the cell conveying plate 5 is distributed with a plurality of cell adsorption discs 6, the front section of the stroke guide rail 2 is coated in the dust hood 7, the bottom of the dust hood 7 is provided with the dust removing blower 8 facing the bottom of the cell conveying plate 5, the top of the dust hood 7 is provided with a dust collector 9 corresponding to a dust removal blower 8, the middle section of the stroke guide rail 2 is provided with a texturing groove 10, the texturing groove 10 is filled with texturing liquid, a plurality of vertical upward liquid spraying pipes 11 immersed in the texturing liquid are distributed at the bottom of the texturing groove 10, the side wall of the texturing groove 10 is vertically provided with a temperature control sensor 12, the bottom of the texturing groove 10 is provided with a heating bottom plate 13, the heating bottom plate 13 is connected with the temperature control sensor 12, the side wall of the texturing groove 10 is provided with a solution concentration sensor 14, the upper part of the texturing groove 10 is connected with a liquid supplementing box 16 through a throttling electromagnetic valve 15, the liquid supplementing box 16 is filled with high-concentration texturing liquid, the throttling electromagnetic valve 15 is connected with the solution concentration sensor 14, the number of the battery piece adsorption plates 6 is multiple, and the battery piece adsorption plates 6 are vertically and uniformly distributed at the bottom of the battery piece conveying plate 5 downwards, a plurality of uniformly distributed flow guide holes 17 are vertically arranged in the cell conveying plate 5 in a penetrating manner, an oscillator 18 is arranged at the joint of the cell conveying plate 5 and the lifting mechanical arm 4, the oscillator 18 can drive the cell conveying plate 5 to vibrate left and right, the liquid spraying pipes 11 are uniformly distributed on the moving track of the cell conveying plate 5, liquid spraying electromagnetic valves 19 are arranged at the bottoms of the liquid spraying pipes 11, the liquid spraying electromagnetic valves 19 are communicated with the texturing liquid filled in the texturing groove 10 through a water pump, conveying plate inductors 20 are arranged at the top of the liquid spraying pipes 11, the conveying plate inductors 20 and the liquid spraying electromagnetic valves 19 are connected one by one, a rinsing bath 21 is arranged at the rear section of the travel guide rail 2, the rinsing bath 21 is filled with cleaning water, ultrasonic oscillators 22 are uniformly and symmetrically distributed on the inner side wall of the rinsing bath 21, and a bubbling cleaning plate 23 is arranged at the bottom of the rinsing bath 21, the dust hood 7 is in a horizontal cylindrical shape, and an air deflector 24 is spirally arranged on the inner side wall of the dust hood 7 in a surrounding manner.

According to the invention, the frame 1, the stroke guide rail 2, the stroke motor 3, the lifting mechanical arm 4, the battery piece conveying plate 5, the battery piece adsorption disc 6, the dust hood 7, the dust removing blower 8, the dust collector 9, the texturing groove 10, the liquid spraying pipe 11, the temperature control inductor 12, the heating bottom plate 13, the solution concentration inductor 14, the throttling electromagnetic valve 15 and the liquid supplementing box 16 are combined together, through test optimization, the battery conversion efficiency can be improved, the carrier transmission time is short, carrier recombination can be avoided, and the process uniformity and the product stability are high.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.