CN219611727U - EL testing device suitable for photovoltaic cell piece - Google Patents
EL testing device suitable for photovoltaic cell piece Download PDFInfo
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- CN219611727U CN219611727U CN202320802772.1U CN202320802772U CN219611727U CN 219611727 U CN219611727 U CN 219611727U CN 202320802772 U CN202320802772 U CN 202320802772U CN 219611727 U CN219611727 U CN 219611727U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses an EL testing device suitable for a photovoltaic cell, which comprises: a general base plate; the battery piece bearing group is arranged on the upper surface of the total bottom plate and is used for bearing the photovoltaic battery pieces; the vertical module mechanism is vertically fixed on the upper surface of one side of the total bottom plate, and is provided with a pressing mechanism which can move downwards to press the upper surface of the photovoltaic cell; the battery piece positioning cylinder group is used for positioning the horizontal position of the photovoltaic battery piece; and the cylinder power-on group is used for automatically powering on the photovoltaic cell. The utility model has simple and convenient operation, high safety and good testing performance, and solves the testing problem of the photovoltaic cell.
Description
Technical Field
The utility model relates to the technical field of battery piece EL test, in particular to an EL test device suitable for a photovoltaic battery piece.
Background
With the rapid development of the photovoltaic industry in recent years, the testing means in the quality control link of the photovoltaic module are continuously enhanced, and the original appearance and electrical performance test can not meet the industry requirements. At present, a method for testing potential defects of crystalline silicon solar cells is widely adopted in the industry, namely el test, and English is abbreviated as electroluminescence or electroluminescence.
The el test technology is applied by many crystalline silicon solar cell and component manufacturers at present, and is used for finished product inspection or online product quality control of crystalline silicon solar cells and components. The common el test method for the crystalline silicon solar cell and the component comprises the following steps: the grid lines of the battery cells are directly electrified, the grid lines at two ends of the battery cells are electrified, the bus bars in front of the end layers of the assembly are electrified, and the external power-on equipment is electrified after the assembly is arranged. The method for applying power to the post-layer externally-hung power-on equipment is different in corresponding devices of different manufacturers, and the method also needs to be manually externally hung on the assembly, so that manpower and material resources are wasted.
Disclosure of Invention
In view of the above, it is desirable to provide an EL test device suitable for a photovoltaic cell.
An EL test device suitable for use with a photovoltaic cell, comprising:
a general base plate;
the battery piece bearing group is arranged on the upper surface of the total bottom plate and is used for bearing the photovoltaic battery pieces;
the vertical module mechanism is vertically fixed on the upper surface of one side of the total bottom plate, and is provided with a pressing mechanism which can move downwards to press the upper surface of the photovoltaic cell;
the battery piece positioning cylinder group is used for positioning the horizontal position of the photovoltaic battery piece;
and the cylinder power-on group is used for automatically powering on the photovoltaic cell.
In one embodiment, the battery cell carrier stack includes:
the glass bearing plate is internally fixed with lower bearing glass, and the adjacent side edges of the glass bearing plate are provided with positioning reference surfaces;
the positioning guide shaft is arranged at the bottom of the glass bearing plate and penetrates through the total bottom plate;
the mounting limiting unit is arranged on the glass bearing plate and far away from two adjacent side edges of the positioning reference surface, and the battery piece positioning cylinder group is arranged in the mounting limiting unit in a penetrating mode.
In one embodiment, the installation limiting unit comprises two C-shaped limiting blocks symmetrically arranged on the side of the glass bearing plate, and a gap is reserved between the two C-shaped limiting blocks.
In one embodiment, the vertical modular mechanism comprises:
the fixing plate is vertically fixed on the upper surface of one side of the main bottom plate, and a through vertical groove is formed in the middle of the fixing plate;
the driving unit comprises a driving motor, a screw rod and a screw nut connecting block, wherein the screw rod is vertically arranged on the fixed plate, the driving motor is used for driving the screw rod to rotate, the screw nut connecting block is sleeved on the screw rod in a threaded manner, and the screw nut connecting block is arranged in the vertical groove in a penetrating manner;
the guide rails are symmetrically arranged on the left side and the right side of the fixed plate and matched with the pressing mechanism;
and the limiting photoelectricity is arranged above and below one side of the fixed plate.
In one embodiment, a limiting block is arranged at the bottom of the guide rail, the limiting block is fixedly connected with the fixed plate, and two sides of the limiting block are provided with circular truncated cone-shaped limiting protrusions.
In one embodiment, the pressing mechanism includes:
the method comprises the steps of pressing down a total panel, wherein an air cylinder power-on group is arranged on the pressing down total panel;
the sliding block connecting plate is vertically arranged on one side of the pressing total panel, and the middle position of the top of the sliding block connecting plate is connected with the nut connecting block;
the sliding blocks are symmetrically arranged on the left side wall and the right side wall of the sliding block connecting plate and are matched with the guide rail;
the optical glass fixing plate is arranged around the bottom of the downward-pressing total panel, and upper optical glass is fixedly arranged on the optical glass fixing plate.
In one embodiment, a reinforcing plate is further arranged between the pressing total panel and the slider connecting plate, and the reinforcing plate is triangular in shape.
In one embodiment, the battery plate positioning cylinder group includes:
the vertical positioning cylinder is fixed on the positioning cylinder fixing plate and is connected with the cylinder connecting plate;
the transverse positioning cylinder is fixed on the cylinder connecting plate and is provided with a positioning fixing plate, and the positioning fixing plate is provided with a battery piece positioning piece which is in contact with the side edge of the photovoltaic battery piece.
In one embodiment, the cylinder power-up group includes:
the cylinder fixing plate is fixedly provided with a power-on cylinder and bearing guide units, the bearing guide units are symmetrically arranged on two sides of the power-on cylinder, and a piston rod of the power-on cylinder is connected with the conductive cotton substrate fixing plate;
the sliding guide shaft is fixed on the conductive cotton substrate fixing plate and is matched with the bearing guide unit;
the photovoltaic cell comprises a conductive cotton substrate, a conductive cotton fixing plate and a photovoltaic cell piece, wherein the conductive cotton substrate is fixed on the conductive cotton substrate fixing plate, conductive cotton is fixedly arranged on the conductive cotton substrate, and the conductive cotton can electrify the photovoltaic cell piece.
In one embodiment, a drag chain is arranged on the total bottom plate, and the drag chain is connected with the pressing mechanism through a drag chain connecting piece.
According to the EL test device for the photovoltaic cell, the photovoltaic cell to be tested is placed on the cell bearing group, then, the test switch is started after the photovoltaic cell is positioned by the cell positioning cylinder group, under the control of a set program, the cell positioning cylinder group is retracted to the lower part of the total bottom plate, meanwhile, the vertical module mechanism controls the downward movement of the downward pressing mechanism, when the photovoltaic cell reaches a certain position (namely the photovoltaic cell is pressed and attached up and down), the cylinder electrifying group is started to electrify the photovoltaic cell, and finally, EL electrifying test is started.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for testing the EL of a photovoltaic cell according to the present utility model;
FIG. 2 is a schematic view of the structure of the battery plate carrying set of the present utility model;
FIG. 3 is a schematic view of the backside structure of the battery plate carrying set of the present utility model;
FIG. 4 is a front view of the vertical modular mechanism of the present utility model;
FIG. 5 is a left side view of the vertical modular mechanism of the present utility model;
FIG. 6 is a schematic view of the structure of the pressing mechanism of the present utility model;
FIG. 7 is a schematic view of the structure of the battery plate positioning cylinder group of the present utility model;
fig. 8 is a schematic view of the structure of the cylinder power-on group of the present utility model.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-8, an embodiment of the present utility model provides an EL test device suitable for a photovoltaic cell, including:
a general base plate 1;
the battery piece bearing group 5 is arranged on the upper surface of the total bottom plate 1, and the battery piece bearing group 5 is used for bearing the photovoltaic battery pieces 4;
the battery piece positioning cylinder group 6 is used for positioning the photovoltaic battery pieces 4;
the vertical module mechanism 2 is vertically fixed on the upper surface of one side of the total bottom plate 1, a pressing mechanism 3 is arranged on the vertical module mechanism 2, and the pressing mechanism 3 can move downwards to be pressed on the upper surface of the photovoltaic cell 4;
the cylinder power-on group 7 is arranged on the total base plate 1 and the pressing mechanism 3, and the cylinder power-on group 7 is used for powering on the photovoltaic cell 4.
According to the EL test device for the photovoltaic cell, the photovoltaic cell 4 to be tested is placed on the cell bearing group 5, then, the test switch is started after the photovoltaic cell 4 is positioned by the cell positioning cylinder group 6, under the control of a set program, the cell positioning cylinder group 6 is retracted to the lower part of the total base plate 1, meanwhile, the vertical module mechanism 2 controls the downward pressing mechanism 3 to move downwards, when a certain position is reached (namely, the photovoltaic cell 4 is pressed and attached up and down), the cylinder power-on group 7 is started to power on the photovoltaic cell 4, and finally, EL power-on test is started.
In an embodiment of the present utility model, the battery piece carrying set 5 includes:
a glass bearing plate 51, wherein lower bearing glass 52 is fixed in the glass bearing plate 51, and the adjacent side edges of the glass bearing plate 51 are provided with positioning reference surfaces 53;
the positioning guide shaft 54 is arranged at the bottom of the glass bearing plate 51, and the positioning guide shaft 54 is arranged on the total bottom plate 1 in a penetrating way;
the mounting limiting unit 55 is arranged on the glass bearing plate 51 at two adjacent sides far away from the positioning reference surface 53, and the battery piece positioning cylinder group 6 is arranged in the mounting limiting unit 55 in a penetrating way.
In this embodiment, when the photovoltaic cell 4 is placed on the lower bearing glass 52, the cell positioning cylinder group 6 can push the photovoltaic cell 4 to move in the horizontal plane, and under the limiting effect of the positioning reference surface 53, the photovoltaic cell 4 is rapidly positioned.
In an embodiment of the present utility model, the installation limiting unit 55 includes two C-shaped limiting blocks 551 symmetrically disposed at the side of the glass carrier plate 51, and a gap 552 is provided between the two C-shaped limiting blocks 551. So, battery piece location cylinder group 6 can go into between two C type stopper 551 through clearance 552 card, not only can improve the installation effectiveness of battery piece location cylinder group 6 like this, but also can carry out spacingly to the self shift position of battery piece location cylinder group 6, improves the security of using.
In one embodiment of the present utility model, the vertical module mechanism 2 includes:
a fixing plate 21 vertically fixed on the upper surface of one side of the main bottom plate 1, wherein a vertical groove 22 penetrating through the middle part of the fixing plate 21 is arranged;
the driving unit comprises a driving motor 23, a screw rod 24 and a screw nut connecting block 25, wherein the screw rod 24 is vertically arranged on the fixed plate 21, the driving motor 23 is used for driving the screw rod 24 to rotate, the screw nut connecting block 25 is sleeved on the screw rod 24 in a threaded manner, and the screw nut connecting block 25 is arranged in the vertical groove 22 in a penetrating manner;
the guide rails 26 are symmetrically arranged at the left side and the right side of the fixed plate 21, and the guide rails 26 are matched with the pressing mechanism 3;
and a limit photoelectric device 27 arranged above and below one side of the fixing plate 21.
In this embodiment, the driving motor 23 can drive the screw rod 24 to rotate, so that the screw connection block 25 can be driven to move up and down along the vertical direction, and the pressing mechanism 3 can be driven to move up and down. The guide rail 26 plays a guiding role to improve the stability of the pressing mechanism 3 during the moving process. The limiting photoelectric 27 can detect and limit the lowest position and the highest position of the movement of the pushing mechanism 3, so that the use safety is improved.
In an embodiment of the present utility model, a limiting block 28 is disposed at the bottom of the guide rail 26, the limiting block 28 is fixedly connected with the fixing plate 21, and two sides of the limiting block 28 are provided with a circular truncated cone type limiting protrusion 29. In this way, the limiting protrusion 29 can perform a mechanical limiting function, so as to prevent the pressing mechanism 3 from crushing the photovoltaic cell 4.
In an embodiment of the present utility model, the pressing mechanism 3 includes:
the method comprises the steps of pressing down a total panel 31, wherein an air cylinder power-on group 7 is arranged on the total panel 31;
a slider connecting plate 32 vertically disposed at one side of the push-down general panel 31, the slider connecting plate 32 being connected to the nut connecting block 25 at a top middle position thereof;
the sliding blocks 33 are symmetrically arranged on the left and right side walls of the sliding block connecting plate 32, and the sliding blocks 33 are matched with the guide rails 26; in this way, the pushing mechanism 3 can be smoothly moved up and down along the guide rail 26.
The optical glass fixing plate 34 is disposed around the bottom of the pressing total panel 31, and an upper optical glass 35 is fixedly disposed on the optical glass fixing plate 34.
In this embodiment, when the pressing mechanism 3 moves downward, the upper optical glass 35 may be pressed against the upper surface of the photovoltaic cell 4, and at this time, the cylinder power-up group 7 on the total panel 31 and the cylinder power-up group 7 on the total bottom plate 1 are pressed down, so that the photovoltaic cell 4 can be powered up.
In an embodiment of the present utility model, a reinforcing plate 36 is further disposed between the pressing total panel 31 and the slider connecting plate 32, so that the connection strength between the pressing total panel 31 and the slider connecting plate 32 can be increased. The reinforcing plate 36 is triangular in shape, etc.
In one embodiment of the present utility model, the battery piece positioning cylinder group 6 includes:
a vertical positioning cylinder 61 fixed on a positioning cylinder fixing plate 62, the vertical positioning cylinder 61 being connected with a cylinder connecting plate 63;
the transverse positioning air cylinder 64 is fixed on the air cylinder connecting plate 63, a positioning fixing plate 65 is arranged on the transverse positioning air cylinder 64, a battery piece positioning piece 66 is arranged on the positioning fixing plate 65, and the battery piece positioning piece 66 is in contact with the side edge of the photovoltaic battery piece 4.
In this embodiment, the vertical positioning cylinder 61 may drive the horizontal positioning cylinder 64 and the battery piece positioning member 66 to move up and down, so that interference generated after the downward pressing mechanism 7 moves down can be avoided, and the horizontal positioning cylinder 64 is used for driving the battery piece positioning member 66 to contact with the side edge of the photovoltaic battery piece 4 to position the photovoltaic battery piece 4.
In an embodiment of the present utility model, the cylinder power-up group 7 includes:
the cylinder fixing plate 71, an upper electric cylinder 72 and bearing guiding units 73 are fixed on the cylinder fixing plate 71, the bearing guiding units 73 are symmetrically arranged on two sides of the upper electric cylinder 72, and a piston rod of the upper electric cylinder 72 is connected with a conductive cotton substrate fixing plate 74;
a sliding guide shaft 75 fixed to the conductive cotton substrate fixing plate 74, the sliding guide shaft 75 being fitted with the bearing guide unit 73;
the conductive cotton substrate 76 is fixed on the conductive cotton substrate fixing plate 74, and conductive cotton 77 is fixedly arranged on the conductive cotton substrate 76, and the conductive cotton 77 can electrify the photovoltaic cell 4.
In this embodiment, the bearing guide unit 73 may include a bearing housing and a sliding bearing mounted in the bearing housing, and the sliding guide shaft 75 may be slidably inserted in the sliding bearing, thereby realizing the guide of the up-and-down movement of the conductive cotton substrate 76 and the conductive cotton 77.
In an embodiment of the present utility model, a drag chain 8 is provided on the general base plate 1, and the drag chain 8 is connected to the pressing mechanism 3 through a drag chain connector 9. In this way, the cable arrangement of the pushing mechanism 3 can be facilitated, and the use safety is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The examples described above represent only a few embodiments of the present utility model and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An EL test device for a photovoltaic cell, comprising:
a general base plate;
the battery piece bearing group is arranged on the upper surface of the total bottom plate and is used for bearing the photovoltaic battery pieces;
the vertical module mechanism is vertically fixed on the upper surface of one side of the total bottom plate, and is provided with a pressing mechanism which can move downwards to press the upper surface of the photovoltaic cell;
the battery piece positioning cylinder group is used for positioning the horizontal position of the photovoltaic battery piece;
and the cylinder power-on group is used for automatically powering on the photovoltaic cell.
2. The device for photovoltaic cell EL testing as claimed in claim 1, wherein the cell carrier stack comprises:
the glass bearing plate is internally fixed with lower bearing glass, and the adjacent side edges of the glass bearing plate are provided with positioning reference surfaces;
the positioning guide shaft is arranged at the bottom of the glass bearing plate and penetrates through the total bottom plate;
the mounting limiting unit is arranged on the glass bearing plate and far away from two adjacent side edges of the positioning reference surface, and the battery piece positioning cylinder group is arranged in the mounting limiting unit in a penetrating mode.
3. The EL testing device as claimed in claim 2, wherein the mounting limiting unit comprises two C-shaped limiting blocks symmetrically arranged on the side of the glass carrier plate, and a gap is formed between the two C-shaped limiting blocks.
4. The device for photovoltaic cell EL testing as set forth in claim 1, wherein the vertical module mechanism comprises:
the fixing plate is vertically fixed on the upper surface of one side of the main bottom plate, and a through vertical groove is formed in the middle of the fixing plate;
the driving unit comprises a driving motor, a screw rod and a screw nut connecting block, wherein the screw rod is vertically arranged on the fixed plate, the driving motor is used for driving the screw rod to rotate, the screw nut connecting block is sleeved on the screw rod in a threaded manner, and the screw nut connecting block is arranged in the vertical groove in a penetrating manner;
the guide rails are symmetrically arranged on the left side and the right side of the fixed plate and matched with the pressing mechanism;
and the limiting photoelectricity is arranged above and below one side of the fixed plate.
5. The device for testing the EL of the photovoltaic cell according to claim 4, wherein a limiting block is arranged at the bottom of the guide rail, the limiting block is fixedly connected with the fixing plate, and two sides of the limiting block are provided with circular truncated cone type limiting protrusions.
6. The apparatus for photovoltaic cell EL testing as set forth in claim 5, wherein the depressing mechanism comprises:
the method comprises the steps of pressing down a total panel, wherein an air cylinder power-on group is arranged on the pressing down total panel;
the sliding block connecting plate is vertically arranged on one side of the pressing total panel, and the middle position of the top of the sliding block connecting plate is connected with the nut connecting block;
the sliding blocks are symmetrically arranged on the left side wall and the right side wall of the sliding block connecting plate and are matched with the guide rail;
the optical glass fixing plate is arranged around the bottom of the downward-pressing total panel, and upper optical glass is fixedly arranged on the optical glass fixing plate.
7. The EL testing device as claimed in claim 6, wherein a reinforcing plate is further disposed between the pressing-down total panel and the slider connecting plate, and the reinforcing plate is triangular in shape.
8. The apparatus for photovoltaic cell EL testing as set forth in claim 7, wherein the cell positioning cylinder group comprises:
the vertical positioning cylinder is fixed on the positioning cylinder fixing plate and is connected with the cylinder connecting plate;
the transverse positioning cylinder is fixed on the cylinder connecting plate and is provided with a positioning fixing plate, and the positioning fixing plate is provided with a battery piece positioning piece which is in contact with the side edge of the photovoltaic battery piece.
9. The apparatus for photovoltaic cell EL testing as set forth in claim 1, wherein the power-on-cylinder group comprises:
the cylinder fixing plate is fixedly provided with a power-on cylinder and bearing guide units, the bearing guide units are symmetrically arranged on two sides of the power-on cylinder, and a piston rod of the power-on cylinder is connected with the conductive cotton substrate fixing plate;
the sliding guide shaft is fixed on the conductive cotton substrate fixing plate and is matched with the bearing guide unit;
the photovoltaic cell comprises a conductive cotton substrate, a conductive cotton fixing plate and a photovoltaic cell piece, wherein the conductive cotton substrate is fixed on the conductive cotton substrate fixing plate, conductive cotton is fixedly arranged on the conductive cotton substrate, and the conductive cotton can electrify the photovoltaic cell piece.
10. The EL testing device for photovoltaic cells of claim 1, wherein a drag chain is provided on the main base plate, and the drag chain is connected to the pushing mechanism via a drag chain connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320802772.1U CN219611727U (en) | 2023-04-12 | 2023-04-12 | EL testing device suitable for photovoltaic cell piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320802772.1U CN219611727U (en) | 2023-04-12 | 2023-04-12 | EL testing device suitable for photovoltaic cell piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611727U true CN219611727U (en) | 2023-08-29 |
Family
ID=87741753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320802772.1U Active CN219611727U (en) | 2023-04-12 | 2023-04-12 | EL testing device suitable for photovoltaic cell piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611727U (en) |
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2023
- 2023-04-12 CN CN202320802772.1U patent/CN219611727U/en active Active
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