Flexible solar cell substrate identification and classification device

Abstract

The utility model belongs to the technical field of solar cell production, and discloses a flexible solar cell substrate identification and classification device which comprises a blowing identification assembly, a first transmission belt, a second transmission belt and a controller, and the top of the blowing identification assembly is provided with a blowing hole; the conveying direction of the first conveying belt is the first direction, the blowing recognition assembly is located below the first conveying belt, and when the first conveying belt conveys substrates to the position above the blowing recognition assembly, the blowing recognition assembly can blow up the substrates and generate displacement in the vertical direction; the second conveying belt is arranged below the first conveying belt, the second conveying belt can ascend to be higher than the first conveying belt and convey the substrates in the second direction, and the controller is in communication connection with the blowing recognition assembly, the first conveying belt and the second conveying belt. According to the utility model, the problems of identification and classification of true substrates and false substrates are solved, the identification efficiency is high, the accuracy is high, and the identified and classified collected false substrates can be reused.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell production technical field especially relates to a flexible solar cell substrate identification classification device. BACKGROUND

[0002] Flexible solar cell preparation is on stainless steel, plastic and other substrates, has bendable, light weight, high power ratio and other characteristics, can be widely used in wearable smart electronic equipment, automobile, aerospace and other fields.

[0003] The existing flexible solar cell production line, in the new equipment, new technology introduction process, or equipment maintenance, maintenance after the machine process, usually first carries out the test and verifies the equipment performance, process effect, and the equipment can be put into production after meeting the production requirements. The semi-finished product or finished product produced in the test and verification process is usually a defective product, which will be scrapped, and the substrate (in order to distinguish from the false substrate, this is called the true substrate) is a production raw material with high frequency of use and large production cost proportion in the test and verification process.

[0004] In order to save the cost of raw materials, false substrates are used to replace at least part of the true substrates during test and verification, and the false substrates can be reused. After the test and verification is completed, the false substrates and the true substrates are classified and collected, and the false substrates are reused, which can further reduce the cost of raw materials. Compared with the true substrate, the false substrate has differences in quality and material, and can be distinguished and collected by manual method, but the operator needs to be on duty at all times, which has problems such as labor cost investment and operation safety risk. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flexible solar cell substrate identification classification device, which can identify and classify the true substrate and the false substrate, so as to reuse the false substrate.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A flexible solar cell substrate identification classification device, the substrate includes a true substrate and a false substrate, the true substrate and the false substrate have quality differences; the flexible solar cell substrate identification classification device comprises:

[0008] A blowing identification assembly is provided with a blowing hole at the top;

[0009] A first conveying belt, the conveying direction of the first conveying belt is the first direction, the blowing identification assembly is located below the first conveying belt, when the first conveying belt conveys the substrate to the upper side of the blowing identification assembly, the blowing identification assembly can blow up the substrate and produce displacement in the vertical direction;

[0010] a second conveying belt, the conveying direction of the second conveying belt being a second direction, the second conveying belt being arranged below the first conveying belt, the second conveying belt being capable of rising above the first conveying belt and conveying the substrate along the second direction, the second direction and the first direction both being along a horizontal direction and being perpendicular to each other;

[0011] a controller, the controller being communicatively connected with the air blowing recognition assembly, the first conveying belt and the second conveying belt.

[0012] In some embodiments, the air blowing recognition assembly comprises:

[0013] a base, the base being provided with a distance measuring sensor, the distance measuring sensor being communicatively connected with the controller, the distance measuring sensor being configured to detect the displacement of the substrate in the vertical direction and send the displacement to the controller;

[0014] a plurality of air columns, the plurality of air columns being arranged on the base in a uniform interval, each of the air columns being provided with a plurality of air blowing holes at the top end of the air column, the bottom end of the air column being provided with a compressed air interface, the compressed air interface being in communication with the air blowing holes, and the compressed air interface being connected to a compressed air source through an air pipe.

[0015] In some embodiments, the distance measuring sensor is provided in a plurality, and the plurality of distance measuring sensors are arranged on the base in a uniform interval.

[0016] In some embodiments, the plurality of air columns are divided into a plurality of groups, and the plurality of air columns in each group are arranged in a uniform interval, and the bottom ends of the plurality of air columns in each group are in communication and are fixed to the base.

[0017] In some embodiments, the air pipe is provided with a pressure regulating valve and an on-off valve, and the on-off valve is communicatively connected with the controller.

[0018] In some embodiments, the second conveying belt comprises:

[0019] a belt pulley, the belt pulley being provided with a belt to convey the substrate;

[0020] a lifting drive, the lifting drive being communicatively connected with the controller, the lifting drive being arranged below the first conveying belt, an output end of the lifting drive being arranged along the vertical direction and passing through a gap between the plurality of air columns, the belt pulley being rotatably arranged at the output end of the lifting drive, and the lifting drive being configured to drive the belt pulley to move up and down along the vertical direction.

[0021] In some embodiments, the lifting drive is a linear drive mechanism.

[0022] In some embodiments, the output end of the lifting drive is provided with a top rod, the belt wheel is rotatably arranged at the top end of the top rod, and the top rod is arranged in the gap between the plurality of air columns.

[0023] In some embodiments, the first conveying belt is provided with two first conveying belts, the two first conveying belts are arranged in the second direction, and the substrate is simultaneously supported on the two first conveying belts for conveying.

[0024] In some embodiments, the second conveying belt is provided with two groups of second conveying belts, each group of second conveying belts is arranged in the first direction, and the substrate is simultaneously supported on the two second conveying belts for conveying.

[0025] In some embodiments, the flexible solar cell substrate identification and classification device further comprises a third conveying belt arranged in front of the second conveying belt in the second direction and connected with the second conveying belt to convey the substrate.

[0026] The utility model discloses beneficial effects:

[0027] The flexible solar cell substrate identification and classification device provided by the utility model can make the substrate produce displacement in the vertical direction through the arrangement of the air blowing identification assembly, the quality of the real substrate and the false substrate is different, so that displacement difference is produced under the same air blowing pressure, and the real substrate and the false substrate are identified; the first conveying belt and the second conveying belt are arranged, the conveying directions of the first conveying belt and the second conveying belt are perpendicular to each other, the second conveying belt can be arranged to be higher than the first conveying belt for substrate conveying, and the identified real substrate and false substrate can be classified and collected along the first direction and the second direction respectively, and the identification and classification of the real substrate and the false substrate are solved, the identification efficiency is high, the accuracy is high, the false substrate of identification and classification collection is repeated utilization, and the safety and reliability of the substrate identification and classification work are improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the top view of the flexible solar cell substrate identification and classification device provided by the utility model embodiment;

[0029] Figure 2 It is the front view of the flexible solar cell substrate identification and classification device provided by the utility model embodiment;

[0030] Figure 3It is the classification transmission schematic view of the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model;

[0031] Figure 4 It is the plan view of the air blowing recognition assembly in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model;

[0032] Figure 5 It is the shaft side view of the air blowing recognition assembly in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model;

[0033] Figure 6 It is the structural schematic view of a group of air columns in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model;

[0034] Figure 7 It is the connecting structure schematic view of the compressed air source for the air column in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model;

[0035] Figure 8 It is the structural schematic view of the first angle of the second transmission belt in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model (without belt);

[0036] Figure 9 It is the structural schematic view of the second angle of the second transmission belt in the flexible solar cell substrate recognition classification device provided by the embodiment of the utility model (without belt).

[0037] In the figure:

[0038] 100, real substrate; 200, false substrate;

[0039] 1, air blowing recognition assembly; 11, base; 111, mounting hole; 12, air column; 121, air blowing hole; 122, compressed air interface; 123, air pipe; 124, connecting hole; 125, connecting piece; 13, distance measuring sensor; 14, compressed gas source;

[0040] 2, first transmission belt;

[0041] 3, second transmission belt; 31, pulley; 32, lifting driving piece; 33, jacking rod; 34, U-shaped frame;

[0042] 4, controller; 5, third transmission belt. DETAILED DESCRIPTION

[0043] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0044] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0046] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0047] As Figures 1-9 The utility model embodiment provides a kind of flexible solar cell substrate identification classification device to solve the identification and classification problem of true substrate 100 and false substrate 200, to repeat using false substrate 200. Flexible solar cell substrate (referred to as substrate) includes true substrate 100 and false substrate 200, true substrate 100 and false substrate 200 have quality difference, different displacement changes under the same blowing pressure, and then the identification of true substrate 100 and false substrate 200 can be realized;According to this principle, as Figures 1-3The utility model discloses a flexible solar cell substrate identification classification device, including blowing identification subassembly 1, first transmission belt 2, second transmission belt 3 and controller 4, controller 4 communication connection blowing identification subassembly 1, first transmission belt 2 and second transmission belt 3. Among them, the top of blowing identification subassembly 1 is equipped with blowing hole 121, and the blowing pressure of blowing hole 121 is set according to the quality difference of real substrate 100 and false substrate 200 by controller 4, so that real substrate 100 and false substrate 200 produce different displacement in vertical direction, and real substrate 100 and false substrate 200 are identified according to the displacement. The transmission direction of first transmission belt 2 is first direction (X direction), and blowing identification subassembly 1 is located below first transmission belt 2, when first transmission belt 2 conveys substrate to the upper side of blowing identification subassembly 1, blowing identification subassembly 1 can blow up substrate and produce displacement in vertical direction (Z direction), the transmission direction of second transmission belt 3 is second direction (Y direction), and second transmission belt 3 is equipped below first transmission belt 2, and second transmission belt 3 can rise to be higher than first transmission belt 2 and convey substrate along second direction, and second direction and first direction are all along horizontal direction and perpendicular to each other.

[0048] The utility model provides a flexible solar cell substrate identification classification device, as shown in the picture, Figure 3 The utility model discloses a flexible solar cell substrate identification classification device, as shown in the picture, through the work of controller 4 control air identification subassembly, first transmission belt 2 and second transmission belt 3, substrate (including real substrate 100 and false substrate 200) is transmitted along first direction through first transmission belt 2, when substrate is directly opposite blowing identification subassembly 1 below first transmission belt 2, first transmission belt 2 stops, and blowing identification subassembly blows air to substrate and makes substrate produce displacement in vertical direction, because the mass of real substrate 100 and false substrate 200 is different, therefore under the same blowing pressure, displacement difference will be produced, and then the identification of real substrate 100 and false substrate 200 is realized, through setting first transmission belt 2 and second transmission belt 3, the transmission direction of first transmission belt 2 and second transmission belt 3 is perpendicular to each other, if being real substrate 100, first transmission belt 2 is started again, and real substrate 100 continues transmission along first direction on first transmission belt 2 and is collected, if being false substrate 200, second transmission belt 3 is started, and second transmission belt 3 can rise to be higher than first transmission belt 2 and convey substrate, and false substrate 200 is transmitted along second direction on second transmission belt 3 and is collected, through the classification collection of real substrate 100 and false substrate 200 along first direction and second direction respectively, the identification and classification problem of real substrate 100 and false substrate 200 is solved, and the identification efficiency is high, the accuracy is high, and the false substrate 200 of identification and classification collection can be repeatedly used, through setting controller 4 communication connection blowing identification subassembly 1, first transmission belt 2 and second transmission belt 3, the automation control of substrate identification and classification is realized, is favorable for saving manpower cost investment, and improves the safety and reliability of substrate identification and classification work.

[0049] In some embodiments, the air blowing recognition assembly 1 comprises a base 11 and air columns 12, the base 11 is provided with a distance measuring sensor 13, the distance measuring sensor 13 is in communication connection with the controller 4, the distance measuring sensor 13 is used for detecting the displacement of the substrate in the vertical direction and sending to the controller 4; the air columns 12 are provided with multiple, the multiple air columns 12 are uniformly arranged on the base 11, the top end of each air column 12 is provided with multiple air blowing holes 121, the bottom end of the air column 12 is provided with a compressed air interface 122, the compressed air interface 122 is in communication with the air blowing hole 121, and the compressed air interface 122 is connected with the compressed gas source 14 through an air pipe 123.

[0050] As Figures 4-7 , the base 11 is used for uniformly arranging and installing the multiple air columns 12, the height of the base 11 can be realized by the prior art structure such as a supporting leg (not shown in the figure) to meet the distance requirement between the air blowing hole 121 and the substrate, and the specific height adjusting structure is not limited and described in this embodiment. In this embodiment, the base 11 and the substrate are adapted to each other in shape, both are rectangular, and the size of the base 11 is greater than that of the substrate, so as to facilitate the installation of the distance measuring sensor 13 on the area of the base 11 other than the air column 12. The position of the distance measuring sensor 13 is located directly below the substrate, so as to facilitate the detection of the displacement of the substrate in the vertical direction Z. The nine air columns 12 on the base 11 are arranged in a 3x3 matrix, so as to facilitate the uniform air blowing to the substrate. The air column 12 and the base 11 are detachably installed through the connecting piece 125 such as a screw or a bolt. The air column 12 has a certain height, and the air column 12 has an air channel for connecting the compressed air interface 122 and the air blowing hole 121. The multiple air blowing holes 121 are distributed in a 3x3 matrix on the top end face of the air column 12, so as to provide uniform air blowing pressure.

[0051] In some embodiments, the distance measuring sensor 13 is provided with multiple, and the multiple distance measuring sensors 13 are arranged on the base 11.

[0052] As Figure 4 and Figure 5As shown, the base 11 is provided with four distance measuring sensors 13, preferably, the distance measuring sensors 13 are high-precision laser distance measuring sensors 13, and the sensing accuracy is ≤1mm. It can be understood that the distance measuring sensors 13 given in the embodiment are for illustration, and in other embodiments, the distance measuring sensors 13 can be replaced by displacement sensors or image acquisition devices, etc. for sending the displacement of the substrate in the vertical direction to the controller 4 for displacement difference judgment to identify the real substrate 100 and the false substrate 200. In some embodiments, according to the quality difference between the real substrate 100 and the false substrate 200, the blowing pressure can be set to only blow the substrate with smaller quality to a certain displacement, thereby realizing identification. In other embodiments, the blowing pressure can also be set to blow the real substrate 100 and the false substrate 200 at the same time, and then the displacement size, the displacement of the substrate with large quality is smaller than the displacement of the substrate with small quality, thereby also being able to identify the real substrate 100 and the false substrate 200.

[0053] In some embodiments, the plurality of air columns 12 are divided into multiple groups, and the multiple groups of air columns 12 are uniformly spaced apart. The bottom ends of each group of air columns 12 are communicated and fixed to the base 11.

[0054] As Figures 4-6 In the embodiment, every three air columns 12 form a group, the bottom ends are communicated, and the three air columns 12 share one compressed air interface 122. The gap between the adjacent two air columns 12 in each group is provided with a connecting hole 124, and a connecting piece 125 is connected to the base 11 through the connecting hole 124 to fix the air column 12. The gap between the adjacent two groups of air columns 12 is used to install the second conveying belt 3 to facilitate the lifting movement of the second conveying belt 3, thereby being able to realize the selective conveying of the substrate above the blowing identification assembly 1 by the first conveying belt 2 and the second conveying belt 3, and the classification and collection of the real substrate 100 and the false substrate 200.

[0055] In some embodiments, the air pipe 123 is provided with a pressure regulating valve and an on-off valve, and the on-off valve is in communication connection with the controller 4.

[0056] As Figure 7 The compressed gas source 14 is connected to the compressed gas interface on the air column 12 through the air pipe 123. By setting the pressure regulating valve on the air pipe 123, the blowing pressure can be adjusted. The pressure regulating valve is connected to the controller 4 to realize automatic monitoring and control of the blowing pressure. The on-off valve is a gas switch for conducting or cutting off the air pipe 123. The on-off valve is in communication connection with the controller 4 to realize remote on-off control.

[0057] In some embodiments, the second conveying belt 3 comprises a belt wheel 31 and a lifting drive 32, the belt wheel 31 is sleeved with a belt to convey the substrate, the lifting drive 32 is in communication connection with the controller 4, the lifting drive 32 is arranged below the first conveying belt 2, the output end of the lifting drive 32 is arranged along the vertical direction and passes through the gap between the plurality of air columns 12, the belt wheel 31 is rotatably arranged at the output end of the lifting drive 32, and the lifting drive 32 is configured to drive the belt wheel 31 to move vertically.

[0058] As shown in Figure 2 , the lifting drive 32 drives the belt wheel 31 to move vertically, thereby realizing the lifting control of the second conveying belt 3, the controller 4 controls the operation of the lifting drive 32 according to the substrate identification result, thereby realizing the conveying and collecting of the real substrate 100 and the false substrate 200 through the first conveying belt 2 and the second conveying belt 3 respectively.

[0059] In some embodiments, the lifting drive 32 is a linear drive mechanism, which is simpler in driving mode and occupies less space. Further, the lifting drive mechanism adopts a pneumatic cylinder, and the output end of the pneumatic cylinder extends and retracts along the Z direction.

[0060] In some embodiments, the output end of the lifting drive 32 is provided with a top rod 33, the belt wheel 31 is rotatably arranged at the top end of the top rod 33, and the top rod 33 passes through the gap between the plurality of air columns 12.

[0061] In order to facilitate control and adapt to the height of the air column 12, the output end of the lifting drive 32 is provided with a top rod 33, the top rod 33 is fixedly connected with the output end of the lifting drive 32, and the top rod 33 has the effect of extending the output distance of the lifting drive 32. As shown in Figure 4 , the base 11 is provided with a mounting hole 111, and the top rod 33 can pass through the mounting hole 111, and when the top rod 33 moves up and down, the mounting hole 111 on the base 11 has the guiding and limiting effect on the top rod 33.

[0062] In some embodiments, the first conveying belt 2 is provided with two, the two first conveying belts 2 are arranged in the second direction, the substrate is supported on the two first conveying belts 2 at the same time for conveying, and the air blowing identification assembly 1 is arranged opposite to the gap between the two first conveying belts 2.

[0063] As shown in Figure 3As shown, the two first conveying belts 2 are arranged at intervals, and the air blowing identification assembly 1 is arranged in the region between the two first conveying belts 2, and the plurality of air columns 12 are distributed in the region between the two first conveying belts 2. Further, the second conveying belt 3 is also arranged in the region between the two first conveying belts 2, and there is no position interference between the first conveying belt 2 and the second conveying belt 3 when the second conveying belt 3 is lifted. Through the arrangement of the second conveying belt 3, the real substrate 100 can be selectively classified and collected by the first conveying belt 2, and the false substrate can be classified and collected by the second conveying belt 3. It can be understood that the displacement parameter detected by the distance sensor 13 is sent to the controller 4 in real time, and the controller 4 identifies and realizes the classification and collection of the substrate by starting the first conveying belt 2 or the second conveying belt 3.

[0064] In some embodiments, the second conveying belt 3 is provided with two groups, and each group of two second conveying belts 3 is arranged at intervals along the first direction, and the substrate is supported on the two second conveying belts 3 at the same time for transmission.

[0065] As shown in Figure 1 and Figure 2 , the second conveying belt 3 is provided with two groups, and each group of second conveying belts 3 is arranged in the gap between each group of air columns 12, as shown in Figure 8 and Figure 9 , the two pulleys 31 of each group of second conveying belts 3 are respectively rotatably connected to the top end of the U-shaped frame 34, the top end of the U-shaped frame 34 penetrates two mounting holes 111, and the bottom end of the U-shaped frame 34 is connected to the top rod 33, thereby realizing the synchronous control of the two pulleys 31 by the lifting driving member 32.

[0066] In some embodiments, the flexible solar cell substrate identification and classification device further comprises a third conveying belt 5, which is arranged in front of the second conveying belt 3 along the second direction and is connected to the second conveying belt 3 to convey the substrate.

[0067] As shown in Figure 1 , by arranging the third conveying belt 5, the substrate can be conveyed for a long time, and the substrate conveyed on the second conveying belt 3 can be further conveyed and collected. Similarly, the first conveying belt 2 is arranged in sections, Figure 1 the embodiment shown is a two-section first conveying belt 2, the left first section first conveying belt 2 is used to convey the substrate to be identified to the right second section first conveying belt 2, and the air blowing identification assembly 1 is arranged below the second section first conveying belt 2, so as to control the conveying speed and start and stop of the substrate, and realize the sectional identification of the substrate.

[0068] It can be understood that the second conveying belt 3 and the third conveying belt 5 can also be arranged below the blowing identification assembly 1 in sequence with the first conveying belt 2, the starting of the second conveying belt 3 is controlled by the controller 4, and the multiple start-stop control of the first conveying belt 2 is controlled, so that the identified true substrate 100 or false substrate 200 is identified and classified in time.

[0069] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A flexible solar cell substrate identification and classification device, wherein the substrate includes a genuine substrate (100) and a dummy substrate (200), the genuine substrate (100) and the dummy substrate (200) having a quality difference; characterized in that, The flexible solar cell substrate identification and classification device includes: A blow-through identification component (1) is provided with a blow-through hole (121) on its top; The first conveyor belt (2) has a first direction of transmission. The air blowing recognition component (1) is located below the first conveyor belt (2). When the first conveyor belt (2) transports the substrate to the top of the air blowing recognition component (1), the air blowing recognition component (1) can blow up the substrate and generate displacement in the vertical direction. The second transmission belt (3) has a transmission direction of the second direction. The second transmission belt (3) is located below the first transmission belt (2). The second transmission belt (3) can rise above the first transmission belt (2) and transport the substrate along the second direction. The second direction and the first direction are both horizontal and perpendicular to each other. The controller (4) is communicatively connected to the air-blowing recognition component (1), the first conveyor belt (2) and the second conveyor belt (3).

2. The flexible solar cell substrate identification and classification device according to claim 1, characterized in that, The breath recognition component (1) includes: A base (11) is provided with a distance sensor (13), which is communicatively connected to the controller (4). The distance sensor (13) is used to detect the displacement of the substrate in the vertical direction and send it to the controller (4). An air column (12) is provided, and multiple air columns (12) are evenly spaced on the base (11). Each air column (12) has multiple air blowing holes (121) at its top end and a compressed air interface (122) at its bottom end. The compressed air interface (122) is connected to the air blowing holes (121) and is connected to a compressed gas source (14) through an air pipe (123).

3. The flexible solar cell substrate identification and classification device according to claim 2, characterized in that, Multiple distance sensors (13) are provided, and the multiple distance sensors (13) are spaced apart on the base (11).

4. The flexible solar cell substrate identification and classification device according to claim 2, characterized in that, The multiple air columns (12) are divided into multiple groups, and the multiple groups of air columns (12) are evenly spaced. The bottom ends of the multiple air columns (12) in each group are connected and fixed to the base (11).

5. The flexible solar cell substrate identification and classification device according to claim 2, characterized in that, The air pipe (123) is equipped with a pressure regulating valve and an on / off valve, and the on / off valve is communicatively connected to the controller (4).

6. The flexible solar cell substrate identification and classification device according to claim 2, characterized in that, The second transmission belt (3) includes: A pulley (31) is fitted with a belt to transport the substrate; A lifting drive (32) is communicatively connected to the controller (4). The lifting drive (32) is located below the first conveyor belt (2). The output end of the lifting drive (32) is arranged along the vertical direction and passes through the gap between the multiple air columns (12). The pulley (31) is rotatably located at the output end of the lifting drive (32). The lifting drive (32) is configured to drive the pulley (31) to move up and down along the vertical direction.

7. The flexible solar cell substrate identification and classification device according to claim 6, characterized in that, The lifting drive component (32) is a linear drive mechanism.

8. The flexible solar cell substrate identification and classification device according to claim 6, characterized in that, The output end of the lifting drive (32) is provided with a push rod (33), the pulley (31) is rotatably located at the top of the push rod (33), and the push rod (33) passes through the gap between the multiple air columns (12).

9. The flexible solar cell substrate identification and classification device according to claim 1, characterized in that, There are two first transmission belts (2), which are spaced apart along the second direction. The substrate is supported on both first transmission belts (2) for transmission. The air blowing recognition component (1) is positioned opposite the gap between the two first transmission belts (2).

10. The flexible solar cell substrate identification and classification device according to claim 1, characterized in that, The second transmission belt (3) is provided in two sets, with two second transmission belts (3) in each set spaced apart along the first direction. The substrate is simultaneously supported on the two second transmission belts (3) for transmission.

11. The flexible solar cell substrate identification and classification device according to claim 1, characterized in that, It also includes a third transmission belt (5), which is disposed in front of the second transmission belt (3) along the second direction and connected to the second transmission belt (3) to transport the substrate.

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