Light-transmitting probe row of solar cell testing machine

Abstract

The utility model discloses a light-transmitting probe row of a solar cell testing machine, which comprises an installation shell, transparent glass is arranged in the middle of the upper end of the installation shell, a fixing plate is arranged at the rear end of the installation shell, and fixing bolts are inserted into four corners of the rear end of the fixing plate. Mounting blocks are fixedly connected to the left side and the right side of the upper end of the mounting shell, and two groups of mounting holes are formed in the middles of the mounting blocks; the probe mounting mechanism is mounted in the middle of an inner cavity of the mounting shell, and through a connecting block, a fixing plate and a fixing bolt, the first fixing shell and the second fixing shell can be conveniently detached after the mounting shell and the fixing plate are detached, so that a damaged probe is detached and replaced, and the service life of the device is prolonged; through the probe mounting mechanism, the light transmission of the device is ensured, meanwhile, the probes can be conveniently disassembled and replaced, and through the adjusting mechanism, the probe row can be conveniently driven to be slightly adjusted, so that the probe row can be accurately butted and then detected.

Description

Technical Field

[0001] The utility model relates to the field of solar cell testing, in particular to a light-transmitting probe row for a solar cell testing machine. Background Technique

[0002] The photovoltaic power generation industry has developed rapidly, and the testing means in the quality control process of photovoltaic modules have been continuously strengthened. The current widely used near-infrared detection based on the electroluminescence principle can detect common hidden defects in solar cells, including: hidden cracks, broken grids, contamination, scratches, black heart wafers, etc. By energizing the main grid lines of the solar cell through a copper probe row and a probe, the cell is energized and emits light, and then a near-infrared industrial camera is used to obtain an image of the solar cell in a dark room, and the hidden defects in the cell can be analyzed.

[0003] A solar cell test probe row with the publication number of CN219893291U includes a first body and a second body. Fixed through holes are provided at the end parts of the surfaces of the first body and the second body. Installation grooves are provided inside the first body and the second body. Fixed clamping grooves are provided at the top and bottom ends of the first body and the second body. A probe body is movably connected inside the installation groove and the fixed clamping groove. Threaded holes are provided on the surfaces of the first body and the second body; in the utility model, by providing a fastening bolt, the fastening bolt is rotated from the inside of the threaded hole and the fastening bolt is taken out, the position of the movable limiting block is no longer restricted, and the movable limiting block is disassembled, so that the probe body can be disassembled and replaced singly, and thus the components other than the probe body can be recycled, reducing the test cost and being convenient to operate. However, during the use of the above device, due to the light-impermeable characteristic of the probe row, part of the imaging is blocked, there is a certain leakage of defects at the probe position, and it is difficult to observe whether the probe is accurately docked with the solar cell detection position and then adjust it to be accurately docked for testing. Therefore, it is necessary to provide a new light-transmitting probe row for a solar cell testing machine to solve the above technical problems. Summary of the Utility Model

[0004] The purpose of the present invention is to provide a light-transmitting probe row for a solar cell testing machine to solve the above deficiencies in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a light-transmitting probe row for a solar cell testing machine, including: an installation housing, a transparent glass is installed in the middle of the upper end of the installation housing, a fixing plate is arranged at the rear end of the installation housing, fixing bolts are inserted at the four corners of the rear end of the fixing plate, and installation blocks are fixedly connected to the left and right sides of the upper end of the installation housing, and two groups of installation holes are provided in the middle of the installation blocks;

[0006] Probe mounting mechanism, a probe mounting mechanism is installed in the middle of the inner cavity of the mounting housing. A number of probes are equidistantly inserted in the middle of the inner cavity of the probe mounting mechanism. An adjusting mechanism is installed in the middle of the front end of the probe mounting mechanism. By providing a connecting block, a fixing plate and fixing bolts, it is convenient to disassemble the mounting housing and the fixing plate, and then disassemble the first fixing shell and the second fixing shell, so as to disassemble and replace the damaged probe, improving the service life of the device. By providing a probe mounting mechanism, while ensuring the light transmission of the device, it is convenient to disassemble and replace the probe. By providing an adjusting mechanism, it is convenient to drive the probe row to be slightly adjusted, so that it can be accurately docked and then detected.

[0007] As a further description of the above technical solution: The probe mounting mechanism includes a second fixing shell installed on the adjusting mechanism. A first fixing shell is installed at the rear end of the second fixing shell. Connecting blocks are fixedly connected to the four corners of the front end of the first fixing shell. By providing a second fixing shell and a first fixing shell, it is convenient to install the probe. By providing a connecting block, it is convenient to disassemble the first fixing shell and the second fixing shell, so as to disassemble and replace the damaged probe.

[0008] As a further description of the above technical solution: The second fixing shell and the first fixing shell are made of transparent plastic. By making the second fixing shell and the first fixing shell of transparent plastic, it is convenient to ensure the light transmission of the probe during use.

[0009] As a further description of the above technical solution: The second fixing shell is provided with a slot adapted to the connecting block, and the first fixing shell and the second fixing shell are provided with slots adapted to the probe. By providing slots in the first fixing shell and the second fixing shell that are adapted to the probe, it is convenient to limit the probe after installation and facilitate the replacement of the probe after disassembly.

[0010] As a further description of the above technical solution: The adjusting mechanism includes a rack installed in the inner cavity of the mounting housing. A gear is engaged with the upper surface on the right side of the rack. A turning handle is installed in the middle of the front end of the gear, and the turning handle is rotatably connected to the mounting housing. Slide bars are fixedly connected to the left and right sides of the rack. By rotating the turning handle, it is convenient to drive the gear to rotate, so that the rack moves left and right, thereby driving the probe mounting mechanism to be slightly adjusted, adjusting the probe row that is observed not to be docked with the solar cell detection position, so that it can be accurately docked and then detected, ensuring the effectiveness of the device detection. By providing slide bars, it is convenient to limit the rack while not affecting the normal adjustment and use of the rack.

[0011] As a further description of the above technical solution: the installation housing is provided with a chute adapted to the slide rod, and the installation housing and the slide rod form a sliding connection mechanism. By forming a sliding connection mechanism with the installation housing and the slide rod, it is convenient to limit the rack while not affecting the normal adjustment and use of the rack.

[0012] As a further description of the above technical solution: the surface of the fixing bolt is connected with a thread, and the fixing plate and the installation housing are provided with threaded grooves adapted to the thread. The fixing bolt and the fixing plate and the installation housing form a rotational connection mechanism. By forming a rotational connection mechanism with the fixing bolt and the fixing plate and the installation housing, it is convenient to disassemble the installation housing and the fixing plate, and then disassemble the probe installation mechanism, so as to disassemble and replace the damaged probe.

[0013] The utility model provides a light-transmitting probe row for a solar cell testing machine. It has the following beneficial effects:

[0014] 1. By providing a transparent glass, and the second fixed shell and the first fixed shell are made of transparent plastic, it is convenient to ensure the light transmittance of the probe during use, and avoid the probe row blocking part of the imaging due to the non-light-transmitting characteristic, resulting in certain defective leakage at the probe position. By providing a connecting block, a fixing plate and a fixing bolt, it is convenient to disassemble the installation housing and the fixing plate, and then disassemble the first fixed shell and the second fixed shell, so as to disassemble and replace the damaged probe, improving the service life of the device;

[0015] 2. By providing an adjusting mechanism, by rotating the turning handle, it is convenient to drive the gear to rotate, so that the rack moves left and right, and then drives the probe installation mechanism to be slightly adjusted, so as to adjust the probe row that is observed not to be docked with the solar cell detection position, and make it accurately docked for detection, ensuring the effectiveness of the detection of the device. By providing a slide rod, it is convenient to limit the rack while not affecting the normal adjustment and use of the rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a light-transmitting probe row for a solar cell testing machine proposed by the utility model Figure 1 ;

[0017] Figure 2 It is a schematic diagram of the overall structure of a light-transmitting probe row for a solar cell testing machine proposed by the utility model Figure 2 ;

[0018] Figure 3 It is a schematic diagram of the structure of the disassembled parts of the utility model Figure 1 ;

[0019] Figure 4 It is a schematic diagram of the structure of the disassembled parts of the utility model Figure 2 ;

[0020] Figure 5 It is a schematic structural diagram of the probe mounting mechanism in the present utility model;

[0021] Figure 6 It is an effect diagram of ordinary probe row imaging;

[0022] Figure 7 It is an effect diagram of the effect imaging of the light-transmitting probe row of the present utility model.

[0023] Legend description:

[0024] 1. Installation housing; 2. Transparent glass; 3. Fixed plate; 4. Fixed bolt; 5. Installation block; 6. Installation hole; 7. Probe mounting mechanism; 701. First fixed shell; 702. Second fixed shell; 703. Connecting block; 8. Probe; 9. Adjusting mechanism; 901. Rack; 902. Gear; 903. Rotating handle; 904. Slide bar. Specific implementation manner

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0026] Embodiment 1, referring to Figure 1 、 Figure 2 and Figure 3 , the present utility model discloses a light-transmitting probe row for a solar cell tester, which can solve the problems that in the use process of the existing device, due to the non-light-transmitting characteristic of the probe row, a part of the imaging is blocked, there is a certain leakage of defects at the probe, and it is difficult to observe whether the probe is accurately docked with the solar cell detection part, and then adjust it to be accurately docked for testing. It includes an installation housing 1, a transparent glass 2 is installed in the middle of the upper end of the installation housing 1, a fixed plate 3 is arranged at the rear end of the installation housing 1, fixed bolts 4 are inserted at the four corners of the rear end of the fixed plate 3, installation blocks 5 are fixedly connected to the left and right sides of the upper end of the installation housing 1, and two groups of installation holes 6 are opened in the middle of the installation blocks 5;

[0027] A probe mounting mechanism 7, the probe mounting mechanism 7 is installed in the middle of the inner cavity of the installation housing 1, a number of probes 8 are equidistantly inserted in the middle of the inner cavity of the probe mounting mechanism 7, and an adjusting mechanism 9 is installed in the middle of the front end of the probe mounting mechanism 7.

[0028] Working principle: Install the outer shell 1 to protect the components. The transparent glass 2 facilitates light transmission while protecting the top of the outer shell 1. The fixing plate 3 and the fixing bolts 4 facilitate the disassembly of the outer shell 1 and the fixing plate 3, and then the probe installation mechanism 7 can be disassembled, so that the damaged probe 8 can be disassembled and replaced. The installation block 5 and the installation hole 6 facilitate the installation and fixation of this device. The probe installation mechanism 7 can facilitate the disassembly and replacement of the probe 8 while ensuring the light transmission of this device. The adjustment mechanism 9 facilitates driving the probe row for slight adjustment, so that after accurate docking, detection can be carried out.

[0029] Embodiment 2, referring to Figure 4 、 Figure 5 、 Figure 6 and Figure 7 In this embodiment, the problems existing in the existing device during use are solved. Due to the light-impermeable characteristic of the probe row, part of the imaging is blocked, there is a certain leakage of defects at the probe, and it is difficult to observe whether the probe is accurately docked with the solar cell detection area. After that, it is adjusted to be accurately docked and then tested. This solar cell testing machine with a light-transmitting probe row further includes that the probe installation mechanism 7 includes a second fixed shell 702 installed on the adjustment mechanism 9. The rear end of the second fixed shell 702 is installed with a first fixed shell 701. Four corners of the front end of the first fixed shell 701 are fixedly connected with connecting blocks 703. The second fixed shell 702 and the first fixed shell 701 are made of transparent plastic. The second fixed shell 702 is provided with slots adapted to the connecting blocks 703. The first fixed shell 701 and the second fixed shell 702 are provided with slots adapted to the probe 8. The adjustment mechanism 9 includes a rack 901 installed in the inner cavity of the outer shell 1. The right side of the upper surface of the rack 901 is engaged with a gear 902. The front middle of the gear 902 is installed with a turning handle 903, and the turning handle 903 is rotatably connected to the outer shell 1. The left and right sides of the rack 901 are fixedly connected with sliding rods 904. The outer shell 1 is provided with chutes adapted to the sliding rods 904. The outer shell 1 and the sliding rods 904 form a sliding connection mechanism. The surface of the fixing bolt 4 is threaded. The fixing plate 3 and the outer shell 1 are provided with threaded grooves adapted to the thread. The fixing bolt 4 and the fixing plate 3 and the outer shell 1 form a rotational connection mechanism.

[0030] Working principle: When in use, after installing and fixing this device to the solar cell testing machine through the installation block 5 and the installation hole 6, observe from the top of the installation shell 1. Since the transparent glass 2, the second fixed shell 702, and the first fixed shell 701 are made of transparent plastic, it is convenient to ensure the light transmittance of the probe 8 during use, avoiding the probe row blocking part of the imaging due to the light-impermeable characteristic, resulting in certain defective leakage at the probe position. After observing whether the probe 8 is accurately docked with the solar cell detection position, if there is a deviation in the docking, rotate the turning handle 903, which is convenient to drive the gear 902 to rotate, thereby making the rack 901 move left and right, and then driving the probe installation mechanism 7 to make a slight adjustment, so as to adjust the probe row that is observed not to be docked with the solar cell detection position to make it accurately docked and then detect, ensuring the effectiveness of the detection of this device. By setting the slide bar 904, it is convenient to limit the rack 901 while not affecting the normal adjustment and use of the rack 901. When the probe 8 is damaged and needs to be replaced, unscrew the fixing bolt 4, disassemble the fixing plate 3, separate the first fixed shell 701 and the second fixed shell 702, and then replace the damaged probe 8.

[0031] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0032] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and all should be covered by the protection scope of the present utility model.

Claims

1. A light-transmitting probe row of a solar cell testing machine, characterized in that, Comprising: An installation housing (1), a transparent glass (2) is installed in the middle of the upper end of the installation housing (1), a fixing plate (3) is arranged at the rear end of the installation housing (1), fixing bolts (4) are inserted at the four corners of the rear end of the fixing plate (3), installation blocks (5) are fixedly connected to the left and right sides of the upper end of the installation housing (1), and two sets of installation holes (6) are formed in the middle of the installation blocks (5); A probe installation mechanism (7), the probe installation mechanism (7) is installed in the middle of the inner cavity of the installation housing (1), a plurality of probes (8) are equidistantly inserted in the middle of the inner cavity of the probe installation mechanism (7), and an adjustment mechanism (9) is installed in the middle of the front end of the probe installation mechanism (7).

2. The light-transmitting probe row of a solar cell testing machine according to claim 1, wherein The probe installation mechanism (7) includes a second fixed shell (702) installed on the adjustment mechanism (9), a first fixed shell (701) is installed at the rear end of the second fixed shell (702), and connection blocks (703) are fixedly connected to the four corners of the front end of the first fixed shell (701).

3. A light-transmitting probe row of a solar cell testing machine according to claim 2, characterized in that, The second fixed shell (702) and the first fixed shell (701) are made of transparent plastic.

4. The light-transmitting probe row of a solar cell testing machine according to claim 2, wherein The second fixed shell (702) is provided with a slot adapted to the connection block (703), and the first fixed shell (701) and the second fixed shell (702) are provided with slots adapted to the probe (8).

5. A light-transmitting probe row of a solar cell testing machine according to claim 1, characterized in that The adjustment mechanism (9) includes a rack (901) installed in the inner cavity of the installation housing (1), a gear (902) is engaged with the right side of the upper surface of the rack (901), a turning handle (903) is installed in the middle of the front end of the gear (902), and the turning handle (903) is rotatably connected to the installation housing (1), and sliding rods (904) are fixedly connected to the left and right sides of the rack (901).

6. The light-transmitting probe row of a solar cell testing machine according to claim 5, characterized in that The installation housing (1) is provided with a chute adapted to the sliding rod (904), and the installation housing (1) and the sliding rod (904) form a sliding connection mechanism.

7. A light-transmitting probe row of a solar cell testing machine according to claim 1, characterized in that, Threads are connected to the surface of the fixing bolt (4), and the fixing plate (3) and the installation housing (1) are provided with threaded grooves adapted to the threads, and the fixing bolt (4) and the fixing plate (3) and the installation housing (1) form a rotational connection mechanism.

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