CN221151318U - Series-return detection device for photovoltaic module - Google Patents

Abstract

The utility model belongs to the technical field of automatic detection equipment, and discloses a serial return detection device for a photovoltaic module. A workbench is arranged on the frame; the conveying mechanism is arranged on the workbench and is used for bearing the battery strings and driving the battery strings to move between the initial station and the detection station; the detection mechanism is arranged on the frame and comprises a driving piece, an image acquisition piece, a detection probe and a display panel, wherein the driving piece and the image acquisition piece are arranged opposite to the detection station, the driving piece is in driving connection with the detection probe and used for driving the detection probe to contact with the battery string, the detection probe is used for loading voltage to the battery string, the image acquisition piece is used for acquiring detection images of the battery string loaded with the voltage, and the display panel is used for displaying the detection images. The serial-return detection device for the photovoltaic module can automatically detect battery strings in serial-return procedures, and has higher detection efficiency and higher accuracy of detection results.

Description

Series-return detection device for photovoltaic module

Technical Field

The utility model relates to the technical field of automatic detection equipment, in particular to a serial return detection device for a photovoltaic module.

Background

Photovoltaic modules are typically composed of a string of cells, which includes a plurality of cells connected together by series welding, bus bars, bypass diodes, junction boxes, and the like. The series welding process refers to a process of connecting a plurality of battery pieces in series through a welding belt by mechanical equipment, and the series welding process of the battery strings generally depends on a series welder.

In the production process of the photovoltaic module, the defective products generated by welding of the series welding machine can be subjected to series repairing treatment. The traditional serial-return procedure adopts manual stirring of the battery piece to visually detect the bad type and the bad position, or manually mentions the battery string to the lower part of the EL detection probe to detect and lock bad, and then repairs according to the detection result, and the detection operation efficiency of the two detection methods is lower. And the risk of missing detection is caused by visual detection, so that defective products flow into the next procedure to cause secondary repair or defective finished products, and the production efficiency and the product yield of the photovoltaic module are seriously affected.

Therefore, it is needed to provide a serial detection device for a photovoltaic module to solve the above problems.

Disclosure of utility model

The utility model provides a serial-return detection device for a photovoltaic module, which can automatically detect a battery string in a serial-return process, has higher detection efficiency, and can detect the battery string through a detection mechanism, so that the accuracy of a detection result is higher, the risk that defective products flow into a next process is reduced, and the production efficiency and the product yield of the photovoltaic module are further improved.

To achieve the purpose, the utility model adopts the following technical scheme:

photovoltaic module is with cluster detection device that returns, its characterized in that includes:

The machine frame is provided with a workbench;

The conveying mechanism is arranged on the workbench and is used for bearing the battery strings and driving the battery strings to move between an initial station and a detection station;

The detection mechanism is arranged on the frame and comprises a driving piece, an image acquisition piece, a detection probe and a display panel, wherein the driving piece and the image acquisition piece are oppositely arranged with the detection station, the driving piece is in driving connection with the detection probe and is used for driving the detection probe to be in contact with the battery string of the detection station, the detection probe is used for loading voltage on the battery string, the image acquisition piece is used for acquiring detection images of the battery string loaded with the voltage, and the display panel is used for displaying the detection images.

Optionally, the detection probe includes connecting block, elastic component and pressure needle, the one end of connecting block with the driving piece links to each other, the one end of elastic component with the other end of connecting block links to each other, the other end of elastic component with the pressure needle links to each other, the pressure needle can with battery cluster contact, and to battery cluster loading voltage.

Optionally, the driving piece is provided with two, every driving piece is connected with respectively the detection probe, two the detection probes respectively with wait to repair the input welding strip and the output welding strip of battery cluster set up relatively, two the detection probes are used for respectively to input welding strip with the output welding strip loading voltage.

Optionally, two image acquisition pieces are provided, and the two image acquisition pieces are arranged at intervals along the length direction of the battery string.

Optionally, the conveying mechanism includes a conveying line and a serial-return template, the serial-return template is used for fixing the battery string to be repaired, the conveying line is in driving connection with the serial-return template, and the conveying line is used for driving the serial-return template to move between the initial station and the detection station.

Optionally, the serial-return template is provided with scale marks, and the scale marks are used for marking the positions of the battery strings.

Optionally, a linear stop block is arranged on the serial return template, and the stop block is used for righting the maintained battery string.

Optionally, the string-back detection device for a photovoltaic module further comprises a string placement box, wherein the string placement box is arranged on the rack and is used for accommodating the maintained battery string.

Optionally, the rack further comprises a support frame, the support frame comprising:

The two frame-shaped brackets are arranged on the workbench at intervals;

At least two brackets, every the bracket is connected two frame shape supports, the driving piece with the image acquisition piece sets up respectively on two the bracket, just the image acquisition piece is higher than the driving piece sets up.

Optionally, the serial-return detection device for the photovoltaic module further comprises a conveying control button and a detection control button, wherein the conveying control button is used for controlling the conveying mechanism to convey the battery string, and the detection control button is used for controlling the detection mechanism to detect the battery string.

The utility model has the beneficial effects that:

The utility model provides a serial-return detection device for a photovoltaic module, which comprises a frame, a conveying mechanism and a detection mechanism. During operation, the battery string to be repaired is placed on the conveying mechanism, the battery string is located at an initial station, then the conveying mechanism is started, the battery string is conveyed to the detection station, meanwhile, the driving piece is controlled to be started, the driving piece drives the detection probe to be in contact with the battery string, after the detection probe is connected with the battery in series in an electric shock mode, voltage is applied to the battery string, at the moment, the battery string can emit a special light source, at the moment, the image acquisition piece is utilized to photograph the luminous image of the battery string to obtain a detection image, and the battery string has electroluminescent performance, so that the defect position and the defect type of the battery string can be judged according to the obtained detection image. After the detection is finished, the conveying mechanism conveys the battery string back to the initial station again, and a maintenance person can maintain the battery string by contrasting the detection image displayed by the display panel. This photovoltaic module is with cluster detection device that returns can be automatic with waiting to repair battery cluster and carry detection station, compares with manual placing, has improved detection efficiency.

The detection mechanism is used for detecting the defects of the battery strings, compared with the detection mechanism adopting human eyes for visual inspection, the accuracy of the detection result is higher, the risk that defective products flow into the next procedure is reduced, and the production efficiency and the product yield of the photovoltaic module are improved.

The defect of the battery string is intuitively displayed through the display panel, so that convenience is brought to maintenance work of maintenance personnel, the maintenance efficiency is improved, and the risk of missing maintenance is also reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, 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 the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a serial-return detection device for a photovoltaic module according to an embodiment of the present utility model;

fig. 2 is a side view of a serial-return detection device for a photovoltaic module according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a front view of the serial-return detection device for a photovoltaic module according to the embodiment of the present utility model.

In the figure:

100. A frame; 110. a work table; 120. a support frame; 121. a frame-shaped bracket; 122. a bracket; 200. a conveying mechanism; 210. a conveying line; 220. serial template returning; 221. a stop block; 300. a detection mechanism; 310. a driving member; 320. an image acquisition member; 330. detecting a probe; 331. a connecting block; 332. an elastic member; 333. pressing the needle; 340. a display panel; 400. string placement boxes; 510. a transport control button; 520. a control button is detected.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, this embodiment provides a serial-return detection device for a photovoltaic module, which can automatically detect a battery string in a serial-return procedure, has higher detection efficiency, and detects through a detection mechanism 300, has higher accuracy of detection results, reduces the risk that defective products flow into a next procedure, and further improves the production efficiency and the product yield of the photovoltaic module.

Specifically, with continued reference to fig. 1, the serial-return detection device for a photovoltaic module includes a frame 100, a conveying mechanism 200, and a detection mechanism 300. Wherein, the frame 100 is provided with a workbench 110, the conveying mechanism 200 is disposed on the workbench 110, and the conveying mechanism 200 is used for conveying the battery strings to be repaired at the initial station to the detection station for defect detection, and conveying the detected battery strings back to the initial station. The detection mechanism 300 comprises a driving piece 310, an image acquisition piece 320, a detection probe 330 and a display panel 340, wherein the driving piece 310 and the image acquisition piece 320 are oppositely arranged with a detection station, the driving piece 310 is in driving connection with the detection probe 330, the driving piece 310 is used for driving the detection probe 330 to be in contact with a battery string of the detection station, the detection probe 330 is used for loading voltage on the battery string, the image acquisition piece 320 is used for acquiring detection images of the battery string loaded with the voltage, the image acquisition piece 320 is in communication connection with the display panel 340, and the display panel 340 is used for displaying the detection images.

The serial detection device for the photovoltaic module provided by the embodiment can automatically detect the defects of the battery strings through the linkage of the conveying mechanism 200 and the detection mechanism 300, reduces the labor intensity of workers, and has the advantages of short detection time and high detection efficiency. The detection mechanism 300 is used for detecting the defects of the battery strings, compared with the detection by adopting human eyes, the accuracy of the detection result is higher, the risk that defective products flow into the next procedure is reduced, and the production efficiency and the product yield of the photovoltaic module are improved. The defect of the battery string is intuitively displayed through the display panel 340, so that convenience is provided for maintenance work of maintenance personnel, the maintenance efficiency is improved, and the risk of missing maintenance is also reduced.

Alternatively, in this embodiment, the driving member 310 is an air cylinder, the fixed end of the air cylinder is disposed on the frame 100, the telescopic end of the air cylinder is connected to the detection probe 330, and the detection probe 330 is contacted with and separated from the battery string by the telescopic end. In other embodiments, the driving member 310 may be another mechanism capable of outputting linear motion, such as a hydraulic cylinder, and the application is not limited thereto.

Further, as shown in fig. 2 and 3, the detection probe 330 includes a connection block 331, an elastic member 332, and a pressing pin 333, wherein one end of the connection block 331 is connected to the driving member 310, one end of the elastic member 332 is connected to the other end of the connection block 331, the other end of the elastic member 332 is connected to the pressing pin 333, and the pressing pin 333 can contact with the battery string and apply a voltage to the battery string. By providing the elastic member 332, the contact between the pressing pin 333 and the battery string can be buffered, and the risk of damage to the battery string caused by excessive pressure applied to the battery string by the pressing pin 333 is reduced.

Alternatively, a plurality of elastic members 332 may be provided, and a plurality of elastic members 332 may be provided at intervals along the length direction of the pressing needle 333. By providing a plurality of elastic members 332, the cushioning effect can be improved. The elastic member 332 is optionally but not limited to a spring.

In this embodiment, as shown in fig. 1 and 4, the battery string to be repaired includes an input solder strip and an output solder strip, so that two driving members 310 are provided, each driving member 310 is connected with two detection probes 330, the two detection probes 330 are disposed opposite to the input solder strip and the output solder strip of the battery string to be repaired, and the two detection probes 330 are used for applying voltages to the input solder strip and the output solder strip, respectively, so as to form a conductive loop.

Further, as shown in fig. 1 and 4, two image pickup elements 320 are provided, and the two image pickup elements 320 are disposed at intervals along the length direction of the battery string. By arranging the two image acquisition components 320, on one hand, the detection image can be obtained more comprehensively, certain detection areas are avoided from being missed, and the accuracy of the detection result is improved; on the other hand, when one of the image pickup elements 320 is damaged due to a problem, the other image pickup element 320 can operate normally without affecting the detection.

Further, with continued reference to fig. 1 and 3, the conveying mechanism 200 includes a conveying line 210 and a serial return template 220, the serial return template 220 is used for fixing the battery string to be repaired, the conveying line 210 is in driving connection with the serial return template 220, and the conveying line 210 can drive the serial return template 220 to move between an initial station and a detection station, so that the battery string can move between the initial station and the detection station. The conveying mechanism 200 has a simple structure and is convenient to operate and control. The conveyor line 210 is optionally, but not limited to, a linear rail.

Preferably, the serial return template 220 is provided with graduation marks for identifying the positions of the battery strings, and when a serviceman places the battery strings, one end of the battery strings needs to be aligned with the corresponding graduation marks so as to ensure that the image acquisition member 320 can shoot the complete battery strings.

Alternatively, the graduation lines may be drawn on the serial-return template 220, or may be formed by sticking a reflective tape on the serial-return template 220, and may be set according to actual needs, which is not particularly limited in the present application.

Because two adjacent battery pieces in the battery string are connected through thin grid line welding, and a certain gap is reserved between the two adjacent battery pieces, the thin grid line between the two adjacent battery pieces can be bent in the process of maintaining the battery string, and the battery pieces are inclined. With continued reference to fig. 3, in this embodiment, the string returning template 220 is provided with a linear stop 221, and the stop 221 is used for correcting the repaired battery string, that is, when the repaired battery string is finished, the long side of the battery string is abutted against the stop 221, so that the skewed battery piece can be corrected, so that the next process can be performed.

Further, with continued reference to fig. 1 and 2, the above-mentioned string-return detection device for a photovoltaic module further includes a string placement box 400, where the string placement box 400 is disposed on the rack 100, and is used for placing a maintained battery string, so as to facilitate centralized processing of the battery string. Alternatively, in the present embodiment, the string placing box 400 is provided above the table 110 at a distance of 60cm to 70cm from the table 110, facilitating the placement of the battery string by the serviceman. For example, the thickness of the film may be 60cm, 62cm, 64cm, 66cm, 68cm, 70cm, or the like, and may be set according to actual needs.

Alternatively, with continued reference to fig. 2, in the present embodiment, two string placement boxes 400 are provided, and two string placement boxes 400 are symmetrically disposed above the table 110. In other embodiments, one, three, etc. may be provided for the string placement box 400, which is not particularly limited according to the actual needs.

Further, with continued reference to fig. 1 and 4, the above-mentioned serial-return detection device for a photovoltaic module further includes a conveyance control button 510 and a detection control button 520, wherein the conveyance control button 510 is used for controlling the conveyance mechanism 200 to convey the battery string, and the detection control button 520 is used for controlling the detection mechanism 300 to detect the battery string. The maintenance personnel can realize automatic detection of the battery strings by pressing the corresponding buttons, and the operation is simple.

Alternatively, with continued reference to fig. 4, in the present embodiment, two conveyance control buttons 510 are provided, wherein one conveyance control button 510 is used to control the conveyance mechanism 200 to drive the battery string from the initial station to the detection station, and the other conveyance control button 510 is used to control the conveyance mechanism 200 to drive the battery string from the detection station to the initial station.

Further, with continued reference to fig. 1, 2 and 4, the stand 100 further includes a support frame 120, where the support frame 120 is disposed on the workbench 110, and specifically, the support frame 120 includes a frame-shaped support 121 and at least two brackets 122, where the frame-shaped support 121 is provided with two frame-shaped supports 121 disposed on the workbench 110 at intervals. Each bracket 122 is connected to two frame-shaped brackets 121, the driving member 310 and the image pickup member 320 are respectively disposed on the two brackets 122, and the image pickup member 320 is disposed higher than the driving member 310. The supporting frame 120 has simple structure, stable support and lower cost.

Optionally, in this embodiment, the distance between the detection probe 330 and the workbench 110 is 30cm-50cm, which does not interfere with the conveyance of the battery string, and does not make the detection probe 330 far from the battery string, which is beneficial to shortening the detection time. Illustratively, the distance between the detection probe 330 and the workbench 110 may be 30cm, 35cm, 40cm, 45cm, 50cm, or the like, which may be set according to actual needs.

Optionally, in this embodiment, the image capturing element 320 may be an infrared camera, and the distance between the image capturing element 320 and the workbench 110 may be 100cm-110cm, for example, may be 100cm, 105cm, 110cm, or the like, which may be set according to actual needs.

The serial detection device for the photovoltaic module has the following working process:

The battery string to be repaired is placed on the conveying mechanism 200, the battery string is located at an initial station, then the conveying mechanism 200 is started, the battery string is conveyed to a detection station, meanwhile, the driving piece 310 is controlled to be started, the driving piece 310 drives the detection probe 330 to be in contact with the battery string, after the detection probe 330 is connected with the battery in series in an electric shock manner, voltage is applied to the battery string, at the moment, the battery string can emit a special light source, at the moment, a detection image of the battery string is acquired by the image acquisition piece 320, and the battery string has electroluminescent performance, so that the defect position and the defect type of the battery string can be judged according to the acquired detection image.

After the detection is completed, the conveying mechanism 200 conveys the battery string back to the initial station again, and a maintenance person can maintain the battery string against the detection image displayed on the display panel 340.

After the maintenance is completed, the battery string is detected again, after no abnormality is confirmed, the long side of the maintained battery string is abutted against the stop block 221 of the string returning template 220, the battery string is returned to the positive state, and after the battery string is returned to the positive state, the battery string is placed in the string placing box 400, and the string returning procedure is completed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Photovoltaic module is with cluster detection device that returns, its characterized in that includes:

a frame (100), wherein a workbench (110) is arranged on the frame (100);

the conveying mechanism (200) is arranged on the workbench (110), and the conveying mechanism (200) is used for bearing the battery strings and can drive the battery strings to move between an initial station and a detection station;

Detection mechanism (300) is provided on frame (100), detection mechanism includes driving piece (310), image acquisition spare (320), detection probe (330) and display panel (340), driving piece (310) with image acquisition spare (320) all with detect the relative setting of station, driving piece (310) with detection probe (330) drive is connected, is used for the drive detection probe (330) with detect the battery cluster contact of station, detection probe (330) are used for to battery cluster loading voltage, image acquisition spare (320) are used for obtaining the detection image of battery cluster of loading voltage, display panel (340) are used for showing the detection image.

2. The device according to claim 1, wherein the detection probe (330) comprises a connection block (331), an elastic member (332) and a pressing pin (333), one end of the connection block (331) is connected to the driving member (310), one end of the elastic member (332) is connected to the other end of the connection block (331), the other end of the elastic member (332) is connected to the pressing pin (333), and the pressing pin (333) can contact the battery string and load the battery string with voltage.

3. The string-back detection device for a photovoltaic module according to claim 1, wherein two driving members (310) are provided, each driving member is connected with a detection probe (330), the two detection probes are respectively arranged opposite to an input solder strip and an output solder strip of the battery string to be repaired, and the two detection probes (330) are used for respectively loading voltages to the input solder strip and the output solder strip.

4. The device for detecting the serial return of the photovoltaic module according to claim 1, wherein two image collecting members (320) are provided, and the two image collecting members (320) are arranged at intervals along the length direction of the battery string.

5. The string-return detection device for a photovoltaic module according to claim 1, wherein the conveying mechanism (200) comprises a conveying line (210) and a string-return template (220), the string-return template (220) is used for fixing the battery string to be repaired, the conveying line (210) is in driving connection with the string-return template (220), and the conveying line (210) is used for driving the string-return template (220) to move between the initial station and the detection station.

6. The device for detecting the serial return of the photovoltaic module according to claim 5, wherein the serial return template (220) is provided with graduation marks for marking the positions of the battery strings.

7. The device for detecting the serial return of the photovoltaic module according to claim 5, wherein the serial return template (220) is provided with a linear stop block (221), and the stop block (221) is used for correcting the maintained battery string.

8. The string-return detection device for a photovoltaic module according to any one of claims 1 to 7, further comprising a string-placement box (400), the string-placement box (400) being provided on the frame (100) for accommodating the maintained battery string.

9. The string-back detection device for a photovoltaic module according to any one of claims 1 to 7, wherein the rack (100) further comprises a support frame (120), the support frame (120) comprising:

The frame-shaped supports (121) are arranged, two frame-shaped supports (121) are arranged on the workbench (110) at intervals;

At least two brackets (122), every bracket (122) connect two frame shape support (121), driving piece (310) with image acquisition piece (320) set up respectively on two bracket (122), just image acquisition piece (320) are higher than driving piece (310) set up.

10. The string-back detection device for a photovoltaic module according to any one of claims 1 to 7, further comprising a conveyance control button (510) and a detection control button (520), the conveyance control button (510) being for controlling the conveyance mechanism (200) to convey the battery string, the detection control button (520) being for controlling the detection mechanism (300) to detect the battery string.