Online surface wettability detection device for solar cell

Abstract

The utility model relates to the technical field of solar cells, and discloses an on-line surface wettability detection device for solar cells, which comprises a bottom plate, a first U-shaped plate is fixedly connected to the rear side of the top of the bottom plate, a rack penetrates through and is slidably connected to the middle of the top of the first U-shaped plate, and a sliding plate is fixedly connected to the bottom of the rack. Sponge is slidably connected to the inner wall of the sliding plate, first fixing plates are fixedly connected to the left side and the right side of the middle of the top of the first U-shaped plate, first brake motors are fixedly connected to the rear sides of the first fixing plates, and gears are fixedly connected to the output ends of the first brake motors. According to the sample feeding device, the electric push rod drives the L-shaped push plate to push samples to the conveying belt, then the electric push rod brings the L-shaped push plate back to the original position, the samples on the inner wall of the sliding frame move downwards, the last but one sample falls to the position of the previous sample, the operation is repeated, and then the samples can be continuously fed.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell technical field, concretely is a kind of online surface wettability detection device for solar cell. BACKGROUND

[0002] Solar cell is a device that converts light energy into electrical energy by photoelectric effect or photochemical effect, it is mainly made of semiconductor material, such as silicon, when sunlight irradiates on solar cell, photon excites electron in semiconductor, generates current and voltage, solar cell has the advantages of environmental protection, renewable, noiseless, is widely used in aerospace, communication, transportation and civil field, provides important energy solution for sustainable development.

[0003] Solar cell is also polycrystalline silicon, cadmium telluride, copper indium gallium selenide etc. Thin film battery, and perovskite, dye sensitization etc. Third-generation battery, the preparation method of these batteries is similar to film coating, one layer after another on the substrate, the online surface wettability detection device for solar cell is a kind of device for accurately measuring the wettability of solar cell surface to specific solution, if the wettability of a layer surface appears problem, the quality of the whole device is unqualified, the device can run continuously on production line, feedback battery surface state in time, ensure the stability and reliability of product performance.

[0004] The existing online surface wettability detection device for solar cell still has the following problems: the solution cannot be quickly absorbed after the sample is shot, usually after shooting when dropping solution, sample is first divided into qualified and unqualified, after division, the solution on the surface of sample is cleaned, which makes it difficult to clean after solution drying, and also causes working time to be longer, and time and labor are wasted, for the above problems, therefore, an online surface wettability detection device for solar cell is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an online surface wettability detection device for solar cell, which solves the problem of not being able to quickly absorb the solution after shooting the sample in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of online surface wettability detection device for solar cell, including bottom plate, the top rear side of the bottom plate is fixedly connected with first U-shaped plate, the top middle of the first U-shaped plate is penetrated and is slidably connected with rack, the bottom of the rack is fixedly connected with slide plate, the inner wall of the slide plate is slidably connected with sponge, the top middle left and right sides of the first U-shaped plate are fixedly connected with first fixed plate, the rear side of the first fixed plate is fixedly connected with first brake motor, the output of the first brake motor is fixedly connected with gear, the outer ring of the gear is meshedly connected with rack, the top right side middle of the bottom plate is fixedly connected with L-shaped frame, the left side top of the L-shaped frame is fixedly connected with third U-shaped plate, the top of the third U-shaped plate is fixedly connected with second brake motor, the output of the second brake motor is fixedly connected with threaded rod, the outer ring of the threaded rod is penetrated and is threadedly connected with pressing plate, the top right side front side of the bottom plate is fixedly connected with pushing assembly.

[0007] By adopting the above technical scheme, the output of the first brake motor rotates to drive the gear to rotate, drive the rack, slide plate and sponge to move downwards, so that the sponge can quickly absorb the solution on the surface of the sample, and when the sponge needs to be replaced, the sponge can be pushed out of the slide plate, and a new sponge can be replaced.

[0008] As a further description of the above technical scheme: the pushing assembly includes a second fixed plate, the bottom of the second fixed plate is fixedly connected with the bottom plate, the right side top of the second fixed plate is fixedly connected with an electric push rod, the output of the electric push rod is fixedly connected with an L-shaped push plate, the left side of the L-shaped push plate is slidably connected with a guide rail, the top of the guide rail is fixedly connected with a sliding frame, the inner wall of the sliding frame is slidably connected with evenly distributed samples, the bottom of the samples is slidably connected with the inner wall of the guide rail, the bottom of the guide rail is fixedly connected with a second U-shaped plate, and the bottom of the second U-shaped plate is fixedly connected with the bottom plate.

[0009] By adopting the above technical scheme, the electric push rod brings the L-shaped push plate back to the original place, and the samples in the inner wall of the sliding frame move downwards, so that the second last sample falls on the position of the previous sample, and the above operation can be repeated to continuously feed the samples.

[0010] As a further description of the above technical scheme: the right side of the first U-shaped plate is provided with a control panel, and the control panel is electrically connected with the first brake motor, the conveyor belt, the electric push rod, the second brake motor, the industrial CCD camera and the cold light source.

[0011] By adopting the above technical scheme, the control panel controls the start and stop of the first brake motor, the conveyor belt, the electric push rod, the second brake motor, the industrial CCD camera and the cold light source.

[0012] As the further description of the above technical solution: the top rear side of the bottom plate is fixedly connected with a conveying belt in the middle.

[0013] By adopting the above technical scheme, the conveying belt is installed through the bottom plate.

[0014] As the further description of the above technical solution: the top middle left side of the bottom plate is fixedly connected with a fourth fixed plate, the top of the fourth fixed plate is fixedly connected with an industrial CCD camera, and the industrial CCD camera is provided with a wire.

[0015] By adopting the above technical scheme, the industrial CCD camera is fixed through the fourth fixed plate, and after shooting, the computer is connected through the wire.

[0016] As the further description of the above technical solution: the top middle right side of the bottom plate is fixedly connected with a third fixed plate, and the left top of the third fixed plate is provided with a cold light source.

[0017] By adopting the above technical scheme, the cold light source is installed through the third fixed plate, and the cold light source is used as the background for shooting.

[0018] As the further description of the above technical solution: the bottom of the third U-shaped plate is fixedly connected with a needle cylinder in a penetrating manner, the inner wall of the needle cylinder is slidably connected with a rubber plug at the top, the top of the rubber plug is fixedly connected with a push rod, and the top of the push rod is fixedly connected with a pressing plate.

[0019] By adopting the above technical scheme, the pressing plate moves downward, thereby driving the push rod and the rubber plug to move downward, and the rubber plug slides downward along the inner wall of the needle cylinder, so that the solution can be dropped downward on the sample.

[0020] As the further description of the above technical solution: the inner wall of the third U-shaped plate is fixedly connected with uniformly distributed guide rods between the top and the bottom, and the outer circle of the guide rods is penetratingly and slidably connected with the four corners of the pressing plate.

[0021] By adopting the above technical scheme, the guide rods can make the pressing plate stably slide without deviation.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1、the online type surface wettability detection device for solar cell, the output end of the first brake motor rotates to drive the gear to rotate, drives the rack, the sliding plate and the sponge to move downward, so that the sponge can quickly absorb the solution on the surface of the sample, when the sponge needs to be replaced, the sponge can be pushed out of the sliding plate, and a new sponge can be replaced.

[0024] 2. The online surface wettability detection device for a solar cell, wherein the electric push rod drives the L-shaped push plate to push the sample onto the conveying belt, then the electric push rod drives the L-shaped push plate back to the original position, the sample in the inner wall of the sliding frame moves downward, and the second last sample will fall into the position of the previous sample, and the above operation is repeated, so that the sample can be continuously fed. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a perspective view of the utility model;

[0026] Figure 2 is a schematic view of the conveying belt of the utility model;

[0027] Figure 3 is a sectional view of the utility model;

[0028] Figure 4 is a schematic view of the needle cylinder of the utility model.

[0029] In the figure: 1, rack; 2, first brake motor; 3, first U-shaped plate; 4, first fixed plate; 5, conveying belt; 6, control panel; 7, bottom plate; 8, L-shaped frame; 9, second fixed plate; 10, electric push rod; 11, L-shaped push plate; 12, second brake motor; 13, gear; 14, third fixed plate; 15, sliding frame; 16, guide rail; 17, second U-shaped plate; 18, fourth fixed plate; 19, wire; 20, industrial CCD camera; 21, cold light source; 22, sample; 23, threaded rod; 24, rubber plug; 25, needle cylinder; 26, push rod; 27, guide rod; 28, third U-shaped plate; 29, sliding plate; 30, sponge; 31, pressing plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings.

[0032] In combination with Figure 1 , Figure 3 and Figure 4The utility model discloses a kind of online surface wettability detection devices for solar cell, including bottom plate 7, it is characterized by: the top rear side of bottom plate 7 is fixedly connected with first U-shaped plate 3, the top right side middle of bottom plate 7 is fixedly connected with L-shaped frame 8, the left top of L-shaped frame 8 is fixedly connected with third U-shaped plate 28, third U-shaped plate 28 is fixed by L-shaped frame 8, the top of third U-shaped plate 28 is fixedly connected with second brake motor 12, the output of second brake motor 12 is fixedly connected with threaded rod 23, threaded rod 23 outer circle is penetrated and is fixedly connected with pressing plate 31, by second brake motor 12 to threaded rod 23 is driven, just can make pressing plate 31 move downwards, the right side of first U-shaped plate 3 is provided with control panel 6, control panel 6 is electrically connected with first brake motor 2, conveying belt 5, electric push rod 10, second brake motor 12, industrial CCD camera 20 and cold light source 21. Through control panel 6 control first brake motor 2, conveying belt 5, electric push rod 10, second brake motor 12, industrial CCD camera 20 and the opening and closing of cold light source 21, the top rear side middle of bottom plate 7 is fixedly connected with conveying belt 5. Through bottom plate 7 to install conveying belt 5, the top middle left side of bottom plate 7 is fixedly connected with fourth fixed plate 18, the top of fourth fixed plate 18 is fixedly connected with industrial CCD camera 20, and industrial CCD camera 20 is provided with lead 19 once. Through fourth fixed plate 18 to fix industrial CCD camera 20, through lead 19 to connect computer, the top middle right side of bottom plate 7 is fixedly connected with third fixed plate 14, and the left top of third fixed plate 14 is provided with cold light source 21. Through third fixed plate 14 to install cold light source 21, the bottom of third U-shaped plate 28 is penetrated and fixedly connected with needle cylinder 25, the inner wall top of needle cylinder 25 is slidably connected with rubber plug 24, by letting rubber plug 24 slide down along the inner wall of needle cylinder 25, just can release solution and drop down, the top of rubber plug 24 is fixedly connected with push rod 26, and the top of push rod 26 is fixedly connected with pressing plate 31. Through pressing plate 31 move downwards, just can drive push rod 26 and rubber plug 24 move downwards, the inner wall top and bottom between third U-shaped plate 28 are fixedly connected with the guide rod 27 that distributes evenly, and the outer circle of guide rod 27 is penetrated and slidably connected with the four corners of pressing plate 31, by guide rod 27 just can make pressing plate 31 stably slide down.

[0033] Combining Figures 1-3The top middle of the first U-shaped plate 3 is penetrated and slidably connected with the rack 1, the bottom of the rack 1 is fixedly connected with the sliding plate 29, the inner wall of the sliding plate 29 is slidably connected with the sponge 30, the up-down movement of the rack 1 can drive the up-down movement of the sliding plate 29 and the sponge 30, the top middle of the first U-shaped plate 3 is fixedly connected with the first fixed plate 4 on the left and right sides, the rear side of the first fixed plate 4 is fixedly connected with the first brake motor 2, the output end of the first brake motor 2 is fixedly connected with the gear 13, the outer ring of the gear 13 is meshedly connected with the rack 1, and the first brake motor 2 drives the gear 13 to move up and down, so that the rack 1 moves up and down.

[0034] In combination with Figure 1 And Figure 2 The top right side of the bottom plate 7 is fixedly connected with a pushing assembly. The pushing assembly comprises a second fixed plate 9, the bottom of the second fixed plate 9 is fixedly connected with the bottom plate 7, the right top of the second fixed plate 9 is fixedly connected with an electric push rod 10, the electric push rod 10 is installed through the second fixed plate 9, the output end of the electric push rod 10 is fixedly connected with an L-shaped push plate 11, the left side of the L-shaped push plate 11 is slidably connected with a guide rail 16, the L-shaped push plate 11 can slide along the inner wall of the guide rail 16, so that the feeding is stable and continuous, the top of the guide rail 16 is fixedly connected with a sliding frame 15, the inner wall of the sliding frame 15 is slidably connected with uniformly distributed samples 22, the bottom samples 22 are slidably connected with the inner wall of the guide rail 16, the samples 22 stably slide in the sliding frame 15, so that the second last sample 22 immediately reaches the bottom after the last sample 22 is sent away, so that the feeding is continuous, and the samples 22 do not deviate during feeding through the guide rail 16, the bottom of the guide rail 16 is fixedly connected with a second U-shaped plate 17, the bottom of the second U-shaped plate 17 is fixedly connected with the bottom plate 7, and the sliding frame 15 is more stable through the second U-shaped plate 17.

[0035] The working principle is that the electric push rod 10 is opened, the output end of the electric push rod 10 drives the L-shaped push plate 11 to push the sample 22 to the middle of the conveying belt 5 along the guide rail 16, then the electric push rod 10 drives the L-shaped push plate 11 to return to the original position, the sample 22 in the inner wall of the sliding frame 15 moves downwards, and the penultimate sample 22 falls into the position of the previous sample 22, and the above operation is repeated, so that the sample 22 can be continuously fed to the conveying belt 5, when the sample 22 is conveyed on the conveying belt 5, the conveying belt 5 can send the sample 22 to the position directly below the needle cylinder 25, the second brake motor 12 is opened, the output end of the second brake motor 12 rotates to drive the threaded rod 23 to rotate, so as to drive the pressing plate 31 to move downwards along the guide rod 27, so as to press the push rod 26 and the rubber plug 24, so as to drop the solution in the needle cylinder 25 on the sample 22, at this time, under the action of the cold light source 21, the industrial CCD camera 20 photographs the sample 22, then the computer software analyzes to obtain a contact angle size, according to which it is inferred whether the sample 22 is qualified, if the sample 22 is qualified, the conveying belt 2 can push the sample 22 to the position directly below the sponge 30, then the first brake motor 2 is opened, the output end of the first brake motor 2 rotates to drive the gear 12 to rotate, so as to drive the rack 1, the sliding plate 29 and the sponge 30 to move downwards, so as to make the sponge 30 quickly absorb the solution on the surface of the sample 22, when the sponge 30 reaches the saturation degree, the sponge 30 is pushed out of the sliding plate 29, and then a new sponge 30 can be replaced.

[0036] It should be noted that the relative terms such as first and second, and the like are used herein solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An in-line surface wettability detection device for solar cells, comprising a base plate (7), characterized in that: The top rear side of the bottom plate (7) is fixedly connected with a first U-shaped plate (3), the top middle of the first U-shaped plate (3) is penetratingly and slidingly connected with a rack (1), the bottom of the rack (1) is fixedly connected with a sliding plate (29), the inner wall of the sliding plate (29) is slidingly connected with a sponge (30), the top middle left and right sides of the first U-shaped plate (3) are fixedly connected with a first fixed plate (4), the rear side of the first fixed plate (4) is fixedly connected with a first brake motor (2), the output end of the first brake motor (2) is fixedly connected with a gear (13), the outer ring of the gear (13) is meshingly connected with the rack (1), the top right side middle of the bottom plate (7) is fixedly connected with an L-shaped frame (8), the left top of the L-shaped frame (8) is fixedly connected with a third U-shaped plate (28), the top of the third U-shaped plate (28) is fixedly connected with a second brake motor (12), the output end of the second brake motor (12) is fixedly connected with a threaded rod (23), the outer ring of the threaded rod (23) is penetratingly and threadedly connected with a pressing plate (31), and the top right side front of the bottom plate (7) is fixedly connected with a pushing assembly.

2. An on-line surface wettability measuring device for a solar cell according to claim 1, characterized in that: The pushing assembly comprises a second fixed plate (9), the bottom of the second fixed plate (9) is fixedly connected with the bottom plate (7), the right top of the second fixed plate (9) is fixedly connected with an electric push rod (10), the output end of the electric push rod (10) is fixedly connected with an L-shaped push plate (11), the left side of the L-shaped push plate (11) is slidingly connected with a guide rail (16), the top of the guide rail (16) is fixedly connected with a sliding frame (15), the inner wall of the sliding frame (15) is slidingly connected with uniformly distributed samples (22), the bottom of the sample (22) is slidingly connected with the inner wall of the guide rail (16), and the bottom of the guide rail (16) is fixedly connected with a second U-shaped plate (17). The bottom of the second U-shaped plate (17) is fixedly connected with the bottom plate (7).

3. The on-line surface wettability measuring device for a solar cell according to claim 1, characterized in that: The right side of the first U-shaped plate (3) is provided with a control panel (6), and the control panel (6) is electrically connected with the first brake motor (2), the conveying belt (5), the electric push rod (10), the second brake motor (12), the industrial CCD camera (20) and the cold light source (21).

4. The on-line surface wettability measuring device for a solar cell according to claim 1, characterized by: The top rear side middle of the bottom plate (7) is fixedly connected with a conveying belt (5).

5. The on-line surface wettability measuring device for a solar cell according to claim 1, characterized by: The top middle left side of the bottom plate (7) is fixedly connected with a fourth fixed plate (18), the top of the fourth fixed plate (18) is fixedly connected with an industrial CCD camera (20), and the industrial CCD camera (20) is provided with a wire (19).

6. An on-line surface wettability measuring device for a solar cell according to claim 1, characterized in that: The top middle right side of the bottom plate (7) is fixedly connected with a third fixed plate (14), and the left top of the third fixed plate (14) is provided with a cold light source (21).

7. The on-line surface wettability measuring device for a solar cell according to claim 1, wherein: The bottom of the third U-shaped plate (28) is penetratingly and fixedly connected with a needle cylinder (25), the inner wall top of the needle cylinder (25) is slidingly connected with a rubber plug (24), the top of the rubber plug (24) is fixedly connected with a push rod (26), and the top of the push rod (26) is fixedly connected with the pressing plate (31).

8. An on-line surface wettability measuring device for a solar cell according to claim 1, characterized in that: The inner wall top and bottom of the third U-shaped plate (28) are fixedly connected with uniformly distributed guide rods (27), and the outer circle of the guide rods (27) penetrates the four corners of the pressing plate (31) and is in sliding connection.

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