CN211930592U

CN211930592U - EL tester for solar cell

Info

Publication number: CN211930592U
Application number: CN202020624680.5U
Authority: CN
Inventors: 龙世祥; 戴顺利; 倪晓平; 李明生
Original assignee: Benya Technology Group Co ltd
Current assignee: Benya Technology Group Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-13
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a solar cell EL tester, which belongs to the technical field of solar cells and comprises a workbench, wherein a heat dissipation box is arranged on the side wall of the workbench, one end of the heat dissipation box is provided with an opening, the other end of the heat dissipation box is provided with a driving box, a testing component and a support column are respectively arranged at the top of the workbench, a top plate is fixedly arranged at the top of the support column, vertically arranged baffles are slidably arranged at four sides of the top plate, vertically arranged lead screws are rotatably arranged between four sides of the top of the workbench and the top plate, a connecting block is fixedly arranged at one side of the bottom of the baffle and is in threaded connection with the lead screws, and push rod motors are fixedly arranged at four sides of the bottom of the; the utility model discloses the realization is to the tester protection of preventing dust, avoids the dust pollution tester, improves life, thermal giving off with higher speed, very big improvement radiating efficiency, the radiating effect is good.

Description

EL tester for solar cell

Technical Field

The utility model belongs to the technical field of solar wafer, concretely relates to solar wafer EL tester.

Background

The EL tester is called as an electroluminescence tester, and is internal defect detection equipment of a solar cell or a cell module. The method is commonly used for detecting internal defects, hidden cracks, fragments, insufficient soldering, broken grids and abnormal phenomena of single cells with different conversion efficiencies of the solar cell module. The existing solar cell EL tester has no good dustproof measure, dust falls on the instrument to easily damage the instrument, when the tester is used, the heat dissipation efficiency of the solar cell EL tester depends on heat dissipation holes to dissipate heat, and the heat dissipation efficiency is low, so that the problem is solved by the solar cell EL tester.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar wafer EL tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a solar cell EL tester comprises a workbench, wherein a heat dissipation box is installed on the side wall of the workbench, an opening is formed in one end of the heat dissipation box, a driving box is installed at the other end of the heat dissipation box, a testing component and a supporting column are respectively installed at the top of the workbench, a top plate is fixedly installed at the top of the supporting column, vertically-arranged baffles are slidably installed on four sides of the top plate, vertically-arranged lead screws are rotatably installed between four sides of the top of the workbench and the top plate, a connecting block is fixedly installed on one side of the bottom of each baffle and is in threaded connection with each lead screw, push rod motors are fixedly installed on four sides of the bottom of the top plate, racks are fixedly connected with push rods of the push rod motors, gears are fixedly sleeved at the tops of the lead screws and are meshed with the gears, a plurality of communicating holes are fixedly installed, the inner wall of one side of the heat dissipation box is provided with a filter plate, a horizontal shaft which is horizontally arranged is rotatably arranged in the heat dissipation box and between the filter plates, air outlet fan blades are arranged on the horizontal shaft and are in transmission connection with the air outlet fan blades, a driving motor is arranged in the driving box, and an output shaft of the driving motor is in transmission connection with the horizontal shaft.

As a preferred embodiment, two-way speed reducing motors are fixedly mounted on four sides of the top plate, output shafts of the two-way speed reducing motors are in transmission connection, rectangular through holes are formed in the four sides of the top plate, the top of the baffle plate penetrates through the rectangular through holes, and the baffle plate is in sliding connection with the inner walls of the rectangular through holes.

In a preferred embodiment, a cover plate is horizontally arranged on the top of the baffle plate, the cross section of the cover plate is of a rectangular structure, and the cover plate is positioned right above the baffle plate.

As a preferred embodiment, the communicating hole is internally and fixedly provided with a positioning block, a rotating rod is rotatably arranged between the positioning block and the inner wall of the heat dissipation box, the exhaust fan blade is arranged on the rotating rod, and the rotating rod is in transmission connection with the transverse shaft.

As a preferred embodiment, a plurality of driving bevel gears are fixedly sleeved on the transverse shaft, driven bevel gears are fixedly sleeved on the rotating rod, and the driving bevel gears are meshed with the driven bevel gears.

As a preferred embodiment, pulleys are fixedly mounted at four corners of the bottom of the workbench, the pulleys are universal wheels, and foot brakes are arranged on the universal wheels.

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

through four baffle settings in four sides at the top of workstation, the setting of cooperation roof, the realization surrounds test assembly, constitute an inclosed space, the realization is to the tester protection of preventing dust, avoid dust pollution tester, improve life, it makes the connecting block carry out the elevating movement and drives the baffle and carry out elevating movement to drive the lead screw through two-way gear motor rotation, realize opening and closing of baffle, when using, the baffle rises, use test assembly, drive rack and gear engagement through the push rod motor, can restrict the random rotation of lead screw, make the position of connecting block and baffle stable, the structure is firm.

Make the interior hot gas flow of workstation arrange to the inside under the effect through giving vent to anger flabellum, exhaust flabellum pivoted, then rotate through the flabellum that gives vent to anger and make the air current in the heat dissipation case arrange the external world, thermal giving off with higher speed, very big improvement radiating efficiency, the radiating effect is good.

The utility model discloses the realization is to the tester protection of preventing dust, avoids the dust pollution tester, improves life, thermal giving off with higher speed, very big improvement radiating efficiency, the radiating effect is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic sectional view of the heat dissipation box of the present invention showing a top view;

fig. 4 is a schematic structural diagram at B in fig. 2.

In the figure: 1. a work table; 2. a pulley; 3. a drive box; 4. a heat dissipation box; 5. testing the component; 6. a support pillar; 7. a top plate; 8. a screw rod; 9. connecting blocks; 10. a gear; 11. a push rod motor; 12. a rack; 13. a rectangular through hole; 14. a bidirectional reduction motor; 15. a baffle plate; 16. a cover plate; 17. a communicating hole; 18. an exhaust fan blade; 19. an air outlet fan blade; 20. a horizontal axis; 21. rotating the rod; 22. filtering the plate; 23. the motor is driven.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a solar cell EL tester, which comprises a workbench 1, a heat dissipation box 4 is installed on the side wall of the workbench 1, an opening is provided at one end of the heat dissipation box 4, a driving box 3 is installed at the other end of the heat dissipation box 4, a testing component 5 is respectively installed at the top of the workbench 1, the automatic adjusting device comprises a supporting column 6, wherein a top plate 7 is fixedly installed at the top of the supporting column 6, vertically-arranged baffles 15 are slidably installed on four sides of the top plate 7, vertically-arranged screw rods 8 are rotatably installed between four sides of the top of a workbench 1 and the top plate 7, a connecting block 9 is fixedly installed on one side of the bottom of the baffle 15, the connecting block 9 is in threaded connection with the screw rods 8, push rod motors 11 are fixedly installed on four sides of the bottom of the top plate 7, push rods of the push rod motors 11 are fixedly connected with racks 12, gears 10 are fixedly sleeved on the top of the screw rods 8, and the gears; set up four sides at the top of workstation 1 through four baffles 15, the setting of cooperation roof 7 realizes encirclement test assembly 5, constitutes an inclosed space, realizes carrying out dustproof protection to the tester, avoids dust pollution tester, improves life.

A plurality of communicating holes 17 are fixedly arranged between the workbench 1 and the heat dissipation box 4, exhaust fan blades 18 are rotatably arranged in the communicating holes 17, a filter plate 22 is arranged on the inner wall of one side of the heat dissipation box 4, a horizontal shaft 20 which is horizontally arranged is rotatably arranged between the inside of the heat dissipation box 4 and the filter plate 22, an exhaust fan blade 19 is arranged on the horizontal shaft 20, the exhaust fan blade 19 is in transmission connection with the exhaust fan blades 18, a driving motor 23 is arranged in the driving box 3, and an output shaft of the driving motor 23 is in transmission connection with the horizontal shaft 20 (see fig. 1, 3 and 4; make the hot gas flow in the workstation 1 arrange 4 in through giving vent to anger flabellum 19, exhaust flabellum 18 pivoted effect, then rotate through giving vent to anger flabellum 19 and make the air current in the heat dissipation case 4 arrange the external world, thermal giving off with higher speed, very big improvement radiating efficiency, the radiating effect is good.

The four sides of the top plate 7 are fixedly provided with two-way speed reducing motors 14, output shafts of the two-way speed reducing motors 14 are in transmission connection with the top plate 8, the four sides of the top plate 7 are provided with rectangular through holes 13, the top of the baffle plate 15 penetrates through the rectangular through holes 13, and the baffle plate 15 is in sliding connection with the inner walls of the rectangular through holes 13 (see fig. 1 and 2); a horizontally arranged cover plate 16 is mounted at the top of the baffle plate 15, the cross section of the cover plate 16 is of a rectangular structure, and the cover plate 16 is positioned right above the baffle plate 15.

A positioning block is fixedly arranged in the communicating hole 17, a rotating rod 21 is rotatably arranged between the positioning block and the inner wall of the heat dissipation box 4, the exhaust fan blade 18 is arranged on the rotating rod 21, and the rotating rod 21 is in transmission connection with a transverse shaft 20. A plurality of driving bevel gears are fixedly sleeved on the transverse shaft 20, driven bevel gears are fixedly sleeved on the rotating rod 21, and the driving bevel gears are meshed with the driven bevel gears. Pulleys 2 are fixedly arranged at four corners of the bottom of the workbench 1, the pulleys 2 are universal wheels, and foot brakes are arranged on the universal wheels (see fig. 1, 2 and 4); the driving motor 23 drives the transverse shaft 20 to rotate to drive the air outlet fan blade 19 to rotate, and simultaneously drives the driving bevel gear to rotate so that the driven bevel gear rotates to drive the rotating rod 21 and the exhaust fan blade 18 to rotate, so that the hot air in the workbench 1 is exhausted into the fan blade 4 under the rotating action of the exhaust fan blade 18, and then the air in the heat dissipation box 4 is exhausted to the outside through the rotation of the air outlet fan blade 19.

When using, set up four sides at the top of workstation 1 through four baffles 15, the setting of cooperation roof 7, the realization surrounds test assembly 5, constitute an inclosed space, the realization is dustproof to the tester, avoid dust pollution tester, improve life, drive lead screw 8 through two-way gear motor 14 and rotate and make connecting block 9 carry out the elevating movement and drive baffle 15 and carry out elevating movement, realize opening and closing of baffle 15, when using, baffle 15 rises, use test assembly 5, drive rack 12 and gear 10 meshing through push rod motor 11, can restrict the random rotation of lead screw 8, make connecting block 9 and baffle 15's position stable, the structure is firm. Drive the cross axle 20 through driving motor 23 and rotate and drive flabellum 19 of giving vent to anger and rotate, it makes driven bevel gear rotate and drives dwang 21 and exhaust flabellum 18 and rotate to drive initiative bevel gear simultaneously, make the air current in the workstation 1 arrange 4 in under the effect of exhaust flabellum 18 pivoted, then rotate through flabellum 19 of giving vent to anger and make the air current in the heat dissipation case 4 arrange the external world, heat dissipation with higher speed, very big improvement radiating efficiency, the radiating effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a solar wafer EL tester, includes workstation (1), its characterized in that: the side wall of the workbench (1) is provided with a heat dissipation box (4), one end of the heat dissipation box (4) is provided with an opening, the other end of the heat dissipation box (4) is provided with a driving box (3), the top of the workbench (1) is respectively provided with a test component (5) and a support column (6), the top of the support column (6) is fixedly provided with a top plate (7), four sides of the top plate (7) are slidably provided with vertically arranged baffles (15), a vertically arranged lead screw (8) is rotatably arranged between the four sides of the top of the workbench (1) and the top plate (7), one side of the bottom of the baffle (15) is fixedly provided with a connecting block (9), the connecting block (9) is in threaded connection with the lead screw (8), four sides of the bottom of the top plate (7) are fixedly provided with a push rod motor (11), and a push, the fixed cover in top of lead screw (8) is equipped with gear (10), gear (10) and rack (12) meshing, fixed mounting has a plurality of intercommunicating pores (17) between workstation (1) and heat dissipation case (4), and exhaust flabellum (18) are installed to intercommunicating pore (17) internal rotation, one side inner wall of heat dissipation case (4) is equipped with filter plate (22), rotates between heat dissipation case (4) and filter plate (22) and is installed cross axle (20) that the level set up, installs on cross axle (20) and gives vent to anger flabellum (19), gives vent to anger flabellum (19) and is connected with exhaust flabellum (18) transmission, is equipped with driving motor (23) in driving case (3), and the output shaft and cross axle (20) transmission of driving motor (.

2. The solar cell EL tester as claimed in claim 1, wherein: the four sides of the top plate (7) are fixedly provided with two-way speed reducing motors (14), output shafts of the two-way speed reducing motors (14) are in transmission connection with the top plate (8), rectangular through holes (13) are formed in the four sides of the top plate (7), the top of the baffle plate (15) penetrates through the rectangular through holes (13), and the baffle plate (15) is in sliding connection with the inner walls of the rectangular through holes (13).

3. The solar cell EL tester as claimed in claim 2, wherein: the top of baffle (15) is installed the apron (16) of horizontal setting, and the cross section of apron (16) is the rectangle structure, and apron (16) are located the directly over of baffle (15).

4. The solar cell EL tester as claimed in claim 1, wherein: fixed mounting has the locating piece in intercommunicating pore (17), rotates between the inner wall of locating piece and heat dissipation case (4) and installs dwang (21), and exhaust fan blade (18) are located dwang (21) on, dwang (21) and cross axle (20) transmission are connected.

5. The solar cell EL tester as claimed in claim 4, wherein: the fixed cover is equipped with a plurality of drive bevel gears on cross axle (20), the fixed cover is equipped with driven bevel gear on dwang (21), drive bevel gear and driven bevel gear meshing.

6. The solar cell EL tester as claimed in claim 1, wherein: the bottom four corners position fixed mounting of workstation (1) has pulley (2), and pulley (2) are the universal wheel, are equipped with the service brake on the universal wheel.