CN218797416U

CN218797416U - Solar wafer surface defect detection device based on machine vision

Info

Publication number: CN218797416U
Application number: CN202221711012.1U
Authority: CN
Inventors: 孙运召; 刘刚; 李传奇
Original assignee: Changzhou Fuyouda Intelligent Equipment Technology Co ltd
Current assignee: Changzhou Fuyouda Intelligent Equipment Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-04-07
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a solar wafer surface defect detection device based on machine vision, including installation piece fixed mounting in the upper end of base member, and the inner through connection of installation piece has the connecting rod to the top of connecting rod is connected with the guide bar, and the rack is installed to the upper end of connecting rod simultaneously, the inner chamber has been seted up to the inner of installation piece, and the inner of inner chamber is provided with the knob to the output of knob is connected with the pinion rack, the upper end fixed mounting of base member has the installing support, and the upper end of installing support installs the industry camera. This solar wafer surface defect detection device based on machine vision is provided with guide bar and connecting rod, and when the user placed the battery piece in the conveyer belt input, the guide bar of slope form can carry out the position direction to the battery piece, makes the battery piece remove to conveyer belt central point and puts, carries out the position correction to crooked battery piece for accuracy when follow-up industrial camera carries out visual identification is higher.

Description

Solar wafer surface defect detection device based on machine vision

Technical Field

The utility model relates to a battery piece detects technical field, specifically is a solar wafer surface defect detection device based on machine vision.

Background

The solar cell is used for converting light energy into electric energy, and then conveying and storing the electric energy into the electric storage equipment to provide energy for the operation of mechanical equipment, and the surface defect detection of the solar cell is required in the production process, but some problems are found in the continuous use process of the existing detection device, such as the case;

when the existing solar cell surface defect detection device is used, the solar cell is mostly manually conveyed and placed during processing on a production line, so that the placing position of the solar cell on a conveyor belt is prone to being inclined, the capturing efficiency of a visual recognition camera is poor, and the detection accuracy is affected.

In order to solve the above problems, innovative design based on the original detection device is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar wafer surface defect detection device based on machine vision to because the battery piece is mostly the manual work to carry greatly in the processing man-hour on the production line and puts in solving above-mentioned background art, lead to the battery piece easily to appear crooked in the position of placing on the conveyer belt, make the seizure efficiency variation of visual identification camera, influence the problem that detects the rate of accuracy.

In order to achieve the above object, the utility model provides a following technical scheme: a solar cell surface defect detection device based on machine vision comprises a base body, a transmission roller and a conveyor belt, wherein the transmission roller is installed at the inner end of the base body, and the conveyor belt is connected to the outer surface of the transmission roller;

further comprising:

the mounting block is fixedly mounted at the upper end of the base body, the inner end of the mounting block is connected with a connecting rod in a penetrating mode, the top end of the connecting rod is connected with a guide rod, a rack is mounted at the upper end of the connecting rod, an inner cavity is formed in the inner end of the mounting block, a knob is arranged at the inner end of the inner cavity, the output end of the knob is connected with a toothed plate, a mounting bracket is fixedly mounted at the upper end of the base body, an industrial camera is mounted at the upper end of the mounting bracket, and a control module is mounted at the side end of the mounting bracket;

guardrail, fixed mounting in the upper end of base member, and the inner hub connection of guardrail has the movable rod, the axle head of movable rod is connected with the gear, and the outer hub connection of movable rod has the pulley, the cylinder is installed to the side of guardrail, and the output of cylinder is connected with the tooth piece to the outside and the gear mesh of tooth piece, the waste product passageway is installed to the side of base member.

Preferably, the installation piece is installed two sets ofly about base member central line symmetric distribution, and the installation piece is run through formula sliding connection with the connecting rod, connecting rod top and guide bar are fixed integral structure, and the top of guide bar is slope column structure, carries out the position direction to the battery piece through the guide bar, makes crooked battery piece remove to the conveyer belt center, improves the accuracy that industry camera vision scanning detected.

Preferably, the knob is connected for the bearing with the inner chamber, and is threaded connection on knob output and the pinion rack to pinion rack bottom and rack are connected for the block, the installing support top is fixed connection with the industry camera, the guardrail is about installing two sets ofly about base member central line symmetric distribution, and the guardrail is connected for rotating with the movable rod, adjusts through the interval to the guide bar group, makes the guide bar group all can carry out the position correction to the battery piece of different models.

Preferably, the movable rod is coaxially connected with the gear, the outer side of the gear is in meshed connection with the tooth block, the tooth block is in sliding connection with the outer end of the guardrail, the movable rod is rotated to be inclined through a meshed transmission structure, and the defective products are guided in position and automatically enter the waste product channel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the solar cell surface defect detection device based on machine vision is provided with the guide rods and the connecting rods, when a user places a cell on the input end of the conveying belt, the inclined guide rods can guide the position of the cell, so that the cell can move to the center of the conveying belt, the position of the inclined cell can be corrected, and the accuracy of a subsequent industrial camera in visual identification is higher;

2. this solar wafer surface defect detection device based on machine vision is provided with movable rod and waste product passageway, and when the industrial camera discerned the wastrel, control module drove the cylinder and starts for the movable rod stretches out from the guardrail internal rotation, leads the route of marcing of wastrel, gets into the waste product passageway automatically, and the device can sieve the wastrel automatically, and the detection achievement for the user brings the facility.

Drawings

FIG. 1 is a schematic view of the overall top view structure of the present invention;

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a schematic side view of the base body of the present invention;

FIG. 4 is a schematic cross-sectional structural view of the mounting block of the present invention;

fig. 5 is a schematic side view of the movable rod of the present invention.

In the figure: 1. a base; 2. a driving roller; 3. a conveyor belt; 4. mounting a block; 5. a connecting rod; 6. a guide bar; 7. a rack; 8. an inner cavity; 9. a knob; 10. a toothed plate; 11. mounting a bracket; 12. an industrial camera; 13. a control module; 14. a guardrail; 15. a movable rod; 16. a gear; 17. a pulley; 18. a cylinder; 19. a tooth block; 20. a waste channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a solar cell surface defect detection device based on machine vision comprises a base body 1, a transmission roller 2 and a conveyor belt 3, wherein the transmission roller 2 is installed at the inner end of the base body 1, and the conveyor belt 3 is connected to the outer surface of the transmission roller 2;

further comprising:

the mounting block 4 is fixedly mounted at the upper end of the base body 1, the inner end of the mounting block 4 is connected with the connecting rod 5 in a penetrating mode, the top end of the connecting rod 5 is connected with the guide rod 6, the upper end of the connecting rod 5 is provided with the rack 7, the inner end of the mounting block 4 is provided with the inner cavity 8, the inner end of the inner cavity 8 is provided with the knob 9, the output end of the knob 9 is connected with the toothed plate 10, the upper end of the base body 1 is fixedly provided with the mounting bracket 11, the upper end of the mounting bracket 11 is provided with the industrial camera 12, and the side end of the mounting bracket 11 is provided with the control module 13;

two sets of are installed about 1 centerline symmetric distribution of base member to installation piece 4, and installation piece 4 and connecting rod 5 are run-through sliding connection, and 5 tops of connecting rod and guide bar 6 are fixed integral structure, and the top of guide bar 6 is slope column structure, and knob 9 is connected for the bearing with inner chamber 8, and the 9 output of knob is threaded connection with pinion rack 10 upper end, and pinion rack 10 bottom is connected for the block with rack 7.

The device can install additional at the end of production line, the solar wafer that needs to detect transports the right-hand member to conveyer belt 3, along with the rotation of driving roller 2, conveyer belt 3 drives the battery piece and carries in base member 1, the battery piece can at first contact with guide bar 6, because 6 tops of guide bar are slope column structure, make guide bar 6 can lead the battery piece, make the battery piece remove the central point to conveyer belt 3 and put, when the battery piece model is great, rotatable knob 9, make its output drive pinion rack 10 along inner chamber 8 upwards removal, and then make pinion rack 10 and rack 7 break away from the block structure, removal connecting rod 5 makes the interval change of two sets of guide bars 6, adapt to the battery piece of different models, reversal knob 9 fixes a position of connecting rod 5 again, the battery piece can be carried to industrial camera 12 lower extreme behind guide bar 6, can carry out visual scanning detection to the battery piece surface through industrial camera 12.

The guardrail 14 is fixedly installed at the upper end of the base body 1, the inner end shaft of the guardrail 14 is connected with the movable rod 15, the shaft end of the movable rod 15 is connected with the gear 16, the outer end shaft of the movable rod 15 is connected with the pulley 17, the side end of the guardrail 14 is provided with the air cylinder 18, the output end of the air cylinder 18 is connected with the tooth block 19, the outer side of the tooth block 19 is meshed with the gear 16, and the side end of the base body 1 is provided with the waste channel 20.

The top end of the mounting bracket 11 is fixedly connected with the industrial camera 12, the guardrails 14 are symmetrically distributed and mounted about the central line of the base body 1 in two groups, the guardrails 14 are rotatably connected with the movable rods 15, the movable rods 15 are coaxially connected with the gears 16, the outer sides of the gears 16 are meshed and connected with the toothed blocks 19, and the toothed blocks 19 are slidably connected with the outer ends of the guardrails 14.

After the scanning detection is finished, if defective products of the battery pieces are found, the control module 13 can control the air cylinder 18 to be started, the output end of the air cylinder 18 can drive the tooth block 19 to contract and move, the tooth block 19 is meshed with the gear 16, the gear 16 drives the movable rod 15 which is coaxially connected to rotate under the meshing action, the movable rod 15 rotates to the position of a dotted line in the figure 1, the movable rod 15 is inclined, when the defective products are in contact with the movable rod 15, the movable rod 15 can play a role in guiding to enable the battery pieces to move towards the waste product channel 20, the pulley 17 at the outer end of the movable rod 15 can reduce friction force when the battery pieces are in contact with the movable rod 15, and a user can quickly detect surface defects of the products on a production line through the device and can automatically remove the defective products.

The working principle is as follows: when the device for detecting the surface defects of the solar cell based on the machine vision is used, according to the figures 1-5, the device is firstly placed at a position where work is needed, when the cell is in contact with the guide rod 6 at the input end of the conveyor belt 3, the guide rod 6 can guide the cell, so that the cell moves to the center of the conveyor belt 3, the accuracy of visual scanning detection of the industrial camera 12 is improved, and meanwhile, a user can adjust the distance between the guide rod 6 groups, so that the guide rod 6 groups can correct the positions of the cells of different types;

when the defective goods appear in the detection, the cylinder 18 drives the tooth block 19 to contract and move, the movable rod 15 rotates to an inclined shape from a vertical structure under the meshing action of the tooth block 19 and the gear 16, the defective goods are guided in position, the battery pieces move to the waste product channel 20, the defective goods are screened and removed, and the overall practicability is improved.

Those not described in detail in this specification are well within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A solar cell surface defect detection device based on machine vision comprises a base body (1), a transmission roller (2) and a conveyor belt (3), wherein the transmission roller (2) is installed at the inner end of the base body (1), and the conveyor belt (3) is connected to the outer surface of the transmission roller (2);

it is characterized by also comprising:

the mounting block (4) is fixedly mounted at the upper end of the base body (1), the inner end of the mounting block (4) is connected with the connecting rod (5) in a penetrating mode, the top end of the connecting rod (5) is connected with the guide rod (6), the upper end of the connecting rod (5) is provided with the rack (7), the inner end of the mounting block (4) is provided with the inner cavity (8), the inner end of the inner cavity (8) is provided with the knob (9), the output end of the knob (9) is connected with the toothed plate (10), the upper end of the base body (1) is fixedly provided with the mounting support (11), the upper end of the mounting support (11) is provided with the industrial camera (12), and the side end of the mounting support (11) is provided with the control module (13);

guardrail (14), fixed mounting in the upper end of base member (1), and the inner hub connection of guardrail (14) has movable rod (15), the axle head of movable rod (15) is connected with gear (16), and the outer hub connection of movable rod (15) has pulley (17), cylinder (18) are installed to the side of guardrail (14), and the output of cylinder (18) is connected with toothed block (19) to the outside and the gear (16) of toothed block (19) mesh mutually, waste product passageway (20) are installed to the side of base member (1).

2. The solar cell surface defect detection device based on machine vision according to claim 1, characterized in that the mounting blocks (4) are symmetrically arranged about the center line of the base body (1) in two groups, and the mounting blocks (4) are in through sliding connection with the connecting rods (5).

3. The solar cell surface defect detection device based on machine vision according to claim 1, characterized in that the top end of the connecting rod (5) and the guide rod (6) are in a fixed integrated structure, and the top end of the guide rod (6) is in an inclined structure.

4. The solar cell surface defect detection device based on machine vision according to claim 1, characterized in that the knob (9) is connected with the inner cavity (8) through a bearing, the output end of the knob (9) is in threaded connection with the upper end of the toothed plate (10), and the bottom end of the toothed plate (10) is in clamping connection with the toothed bar (7).

5. The solar cell surface defect detection device based on machine vision is characterized in that the top end of the mounting bracket (11) is fixedly connected with the industrial camera (12), two groups of guardrails (14) are symmetrically distributed and mounted about the central line of the base body (1), and the guardrails (14) are rotatably connected with the movable rod (15).

6. The device for detecting the surface defects of the solar cell panel based on the machine vision is characterized in that the movable rod (15) is coaxially connected with the gear (16), the outer side of the gear (16) is in meshed connection with the tooth block (19), and the tooth block (19) is in sliding connection with the outer end of the guardrail (14).