Stepping type detection tool for photovoltaic module
By automating the feeding and precise positioning of the step-type testing fixture, the problems of low testing efficiency and high cost in the IV testing of photovoltaic modules have been solved, achieving efficient and low-cost photovoltaic module testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-03-20
AI Technical Summary
Current photovoltaic module IV testing methods are inefficient and costly, with manual or robotic loading methods leading to extended testing times.
A stepping inspection fixture is adopted, including an inspection frame, a stepping drive assembly, and a clamping assembly. Through the cooperation of the stepping drive assembly and the clamping assembly, the photovoltaic modules are automatically fed and IV inspected. The limit assembly is used for precise positioning to improve the conveying accuracy.
It improves the efficiency of photovoltaic module loading and testing, reduces production costs, reduces manual intervention, and improves testing accuracy.
Smart Images

Figure CN224021696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to photovoltaic module detection technical field especially, be related to a kind of step-by-step detection tool of photovoltaic module. BACKGROUND
[0002] In the photovoltaic module manufacturing process, IV test and EL test are indispensable links of photovoltaic module production line, and the photovoltaic module must pass IV test to obtain its power, current and the like, and pass EL test to judge whether there is defect in the module, so as to ensure the performance of the photovoltaic module, and the test procedure is an important embodiment of the production quality of the module.
[0003] When IV test is performed, the upper simulated sunlight source irradiates the module, and the IV characteristic curve of the photovoltaic module is obtained by collecting relevant current and voltage data through the test tool, and power grading is performed.
[0004] A specific photovoltaic module IV test machine needs to be used when IV test is performed, and the test tool of the existing photovoltaic module IV test machine is fixed on the equipment.For the stacked photovoltaic modules, the existing feeding mode is as follows: the stacked photovoltaic modules are sequentially picked up by artificial or mechanical hand and placed at the photovoltaic module conveying mechanism, and the conveying mechanism conveys the photovoltaic modules to be tested to the test tool for detection.When the photovoltaic modules in the front stage are detected, the photovoltaic modules in the rear stage can only be in a waiting state, which not only prolongs the overall detection time and reduces the detection efficiency, but also increases the production cost in a way. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a step-by-step detection tool of photovoltaic module to solve the problems raised in the above background.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] A step-by-step detection tool of photovoltaic module includes a detection frame, a step-by-step driving assembly and a clamping assembly arranged on the detection frame, wherein:
[0008] A plurality of photovoltaic modules to be detected are stacked and placed on the detection frame;
[0009] The step-by-step driving assembly includes a first driving member and a carrier, the carrier is arranged on the detection frame in a lifting manner, the carrier is configured to carry the detection tool, the fixed end of the first driving member is mounted on the detection frame, the driving end of the first driving member is connected to the carrier, the first driving member is configured to drive the carrier to sequentially rise or fall by one step distance to drive the detection tool to sequentially move by one step distance, and the step distance is the thickness of a single photovoltaic module;
[0010] The clamping assembly is arranged on the carrier and is configured to clamp the positive and negative terminal heads of the detection tool and insert them into the preset positions of the photovoltaic module to be detected, so as to implement IV detection on the photovoltaic module.
[0011] Further, the detection frame is provided with a limiting assembly, which is configured to limit the movement stroke of the carrier.
[0012] Further, the limiting assembly comprises a plurality of limiting units arranged at intervals in the height direction, each corresponding to one of the photovoltaic modules to be detected, each limiting unit comprising a sensing member, a second driving member and a limiting member, the limiting member being telescopically arranged on the detection frame, the fixed end of the second driving member being mounted on the detection frame, the driving end of the second driving member being connected to the limiting member, the sensing member being electrically connected to the second driving member, the sensing member sending a signal to the second driving member after detecting the position of the carrier; the second driving member is configured to drive the limiting member to move towards the corresponding photovoltaic module after receiving the sensing signal, so as to abut against the carrier, thereby limiting the movement stroke of the carrier.
[0013] Further, the limiting member is a limiting support plate, and a guide inclined surface is arranged on one side of the limiting support plate close to the photovoltaic module.
[0014] Further, the clamping assembly comprises a clamping driving member, a first clamping hand and a second clamping hand.
[0015] The fixed end of the clamping driving member is mounted on the carrier, the driving end of the clamping driving member is connected to the first clamping hand and / or the second clamping hand, the first clamping hand is configured to clamp the positive terminal head of the detection tool, the second clamping hand is configured to clamp the negative terminal head of the detection tool, and the clamping driving member is configured to drive the first clamping hand and the second clamping hand to move towards or away from each other.
[0016] The clamping driving member drives the first clamping hand and the second clamping hand to move towards each other, so that the first clamping hand and the second clamping hand clamp the positive and negative terminal heads and insert them into the preset positions of the photovoltaic module to be detected, thereby implementing IV detection on the photovoltaic module.
[0017] Further, a first proximity switch is arranged on the detection frame corresponding to the uppermost photovoltaic module, the detection end of the first proximity switch is arranged downward, the first proximity switch is electrically connected to the first driving member, and the first proximity switch is configured to limit the upward movement stroke of the carrier.
[0018] Further, the photovoltaic module corresponding to the lowermost layer on the detection frame is provided with a second proximity switch, the detection end of the first proximity switch is upwardly arranged, the second proximity switch is electrically connected with the first driving member, and the second proximity switch is configured to limit the downward stroke of the carrier.
[0019] Compared with the prior art, the photovoltaic module step-by-step detection tool has the beneficial effects that: through cooperation of the step-by-step driving assembly and the clamping assembly, the first driving member drives the carrier to sequentially ascend or descend by one step distance, drives the detection tool to sequentially move by one step distance, and clamps the positive electrode connecting head and the negative electrode connecting head of the detection tool and inserts them into the preset position of the photovoltaic module to be detected, so that IV detection is implemented on the photovoltaic module, manual or mechanical hand feeding is not needed, the feeding efficiency and the detection efficiency are greatly improved, and the production cost is reduced; through the inductor, the second driving member and the limiting member, after the second driving member receives the induction signal transmitted by the inductor, the limiting member is driven to move towards the corresponding photovoltaic module to abut against the carrier, so that the stroke of the carrier is limited, the position of the carrier is limited between detections, and the position accuracy of conveying is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate and understand the technical scheme in the embodiments of the present application, the drawings needed to be used in the background art and the embodiment description of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the present application and the drawings.
[0021] Figure 1 is a perspective structural schematic view of the step-by-step detection tool for the photovoltaic module provided by the embodiments of the present application;
[0022] Figure 2 is a side view schematic view of the step-by-step detection tool for the photovoltaic module provided by the embodiments of the present application;
[0023] Figure 3 is a top view schematic view of the step-by-step detection tool for the photovoltaic module provided by the embodiments of the present application;
[0024] Figure 4 is Figure 2 is an enlarged schematic view of position A in FIG. DETAILED DESCRIPTION
[0025] The technical scheme of the present application will be further illustrated by specific embodiments in combination with the drawings.
[0026] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show the preferred embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can be a middle component. When a component is considered "connected" to another component, it can be directly connected to another component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art of the technology to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0027] Please refer to Figures 1 to 4 As shown in the drawings, in the embodiment, a step-by-step detection tool for a photovoltaic module includes a detection frame 10, a step-by-step driving assembly 20 and a clamping assembly 30 arranged on the detection frame 10, wherein: a plurality of photovoltaic modules 40 to be detected are stacked on the detection frame 10; the step-by-step driving assembly 20 includes a first driving member 21 and a carrier 22, the carrier 22 is arranged on the detection frame 10 in a lifting manner, the carrier 22 is configured to carry a detection tool 50, a fixed end of the first driving member 21 is mounted on the detection frame 10, a driving end of the first driving member 21 is connected to the carrier 22, the first driving member 21 is configured to drive the carrier 22 to rise or fall by one step distance in turn, so as to drive the detection tool 50 to move by one step distance in turn, the step distance is the thickness of a single photovoltaic module 40; the clamping assembly 30 is arranged on the carrier 22, and the clamping assembly 30 is configured to clamp the positive and negative terminal heads of the detection tool 50 and then insert them into a preset position of the photovoltaic module 40 to be detected, so as to implement IV detection on the photovoltaic module 40.
[0028] It can be seen that through the cooperation of the step-by-step driving assembly 20 and the clamping assembly 30, the first driving member 21 drives the carrier 22 to rise or fall by one step distance in turn, drives the detection tool 50 to move by one step distance in turn, and the clamping assembly 30 clamps the positive and negative terminal heads of the detection tool 50 and then inserts them into a preset position of the photovoltaic module 40 to be detected, so as to implement IV detection on the photovoltaic module 40, without the need for manual or mechanical hand feeding, greatly improving the feeding efficiency and detection efficiency, and reducing the production cost.
[0029] Specifically, the detection frame 10 is provided with two groups of stepping drive assemblies 20 and two groups of clamping assemblies 30, so that IV detection can be performed on two groups of stacked photovoltaic modules 40, and the detection efficiency is further improved.
[0030] As an implementation form, the detection frame 10 is provided with a limiting assembly 60, which is configured to limit the movement stroke of the carrier 22.
[0031] It should be noted that, as an implementation form, if the gap between the adjacent two photovoltaic modules is too large, the first driving member 21 drives the carrier 22 to rise or fall to the preset height in turn and be flush with the photovoltaic module to be tested.
[0032] As an implementation form, the limiting assembly 60 includes a plurality of limiting units arranged at intervals in the height direction, each limiting unit corresponding to a photovoltaic module 40 to be detected, each limiting unit including a sensing member 61, a second driving member 62 and a limiting member 63, the limiting member 63 being telescopically arranged at the detection frame 10, the fixed end of the second driving member 62 being mounted on the detection frame 10, the driving end of the second driving member 62 being connected to the limiting member 63, the sensing member 61 being electrically connected to the second driving member 62, the sensing member 61 sending a signal to the second driving member 62 after detecting the position of the carrier 22; the second driving member 62 is configured to drive the limiting member 63 to move towards the corresponding photovoltaic module 40 after receiving the sensing signal, so as to abut against the carrier 22, thereby limiting the movement stroke of the carrier 22.
[0033] It can be seen that, through the sensing member 61, the second driving member 62 and the limiting member 63, the second driving member 62 drives the limiting member 63 to move towards the corresponding photovoltaic module 40 after receiving the sensing signal transmitted by the sensing member 61, so as to abut against the carrier 22, thereby limiting the movement stroke of the carrier 22, and the position of the carrier 22 is limited during detection, further improving the position accuracy of the carrier 22.
[0034] As an implementation form, the limiting member 63 is a limiting support plate, and a guide inclined surface 630 is arranged on one side of the limiting support plate close to the photovoltaic module 40.
[0035] As an implementation form, the clamping assembly 30 comprises a clamping driving member 31, a first clamping hand 32 and a second clamping hand 33, wherein: the fixed end of the clamping driving member 31 is mounted on the bearing member 22, the driving end of the clamping driving member 31 is connected with the first clamping hand 32 and / or the second clamping hand 33, the first clamping hand 32 is configured to clamp the positive electrode terminal of the detection tool 50, the second clamping hand 33 is configured to clamp the negative electrode terminal of the detection tool 50, and the clamping driving member 31 is configured to drive the first clamping hand 32 and the second clamping hand 33 to move close to or away from each other; the clamping driving member 31 drives the first clamping hand 32 and the second clamping hand 33 to move close to each other, so that the first clamping hand 32 and the second clamping hand 33 clamp the positive electrode terminal and the negative electrode terminal respectively and then are inserted into the preset position of the photovoltaic module 40 to be detected, and then the IV detection is performed on the photovoltaic module 40.
[0036] As an implementation form, the first proximity switch 11 is arranged at the position corresponding to the uppermost photovoltaic module 40 on the detection frame 10, the detection end of the first proximity switch 11 is arranged downward, the first proximity switch 11 is electrically connected with the first driving member 21, and the first proximity switch 11 is configured to limit the upward movement stroke of the bearing member 22.
[0037] As an implementation form, the second proximity switch 12 is arranged at the position corresponding to the lowermost photovoltaic module 40 on the detection frame 10, the detection end of the first proximity switch 11 is arranged upward, the second proximity switch 12 is electrically connected with the first driving member 21, and the second proximity switch 12 is configured to limit the downward movement stroke of the bearing member 22.
[0038] The above-mentioned step-by-step detection tool for the photovoltaic module works as follows: first, the first driving member 21 drives the bearing member 22 to descend to one side of the photovoltaic module 40 at the lowest layer, the clamping driving member 31 drives the first clamping hand 32 and the second clamping hand 33 to move close to each other, so that the first clamping hand 32 and the second clamping hand 33 clamp the positive electrode terminal and the negative electrode terminal respectively and then are inserted into the preset position of the photovoltaic module 40 to be detected, and then the IV detection is performed on the photovoltaic module 40; then, after the detection is completed, the clamping driving member 31 drives the first clamping hand 32 and the second clamping hand 33 to return to the original position, the first driving member 21 drives the bearing member 22 to ascend by one step, the second driving member 62 drives the limiting member 63 to extend out of the detection frame 10 to limit the bearing member 22, and the above-mentioned operation is repeated until all the photovoltaic modules 40 are detected.
[0039] The above-mentioned embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above-mentioned examples. Without departing from the spirit and scope of the present application, the present application can have various changes and modifications, and these changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A step-type testing fixture for photovoltaic modules, characterized in that, The photovoltaic module step-type testing fixture includes a testing frame and a step-drive assembly and a clamping assembly mounted on the testing frame, wherein: Several photovoltaic modules to be tested are stacked on the testing rack; The stepper drive assembly includes a first drive member and a carrier member. The carrier member is vertically and vertically mounted on the inspection frame. The carrier member is configured to carry the inspection fixture. The fixed end of the first drive member is mounted on the inspection frame. The driving end of the first drive member is connected to the carrier member. The first drive member is configured to drive the carrier member to rise or fall sequentially by one step, so as to drive the inspection fixture to move sequentially by one step. The step is the thickness of a single photovoltaic module. The clamping assembly is disposed on the carrier and is configured to clamp the positive terminal and negative terminal of the testing fixture and insert them into the preset position of the photovoltaic module to be tested, thereby performing IV testing on the photovoltaic module.
2. The step-type testing fixture for photovoltaic modules according to claim 1, characterized in that, The testing frame is provided with a limiting component, which is configured to limit the movement of the carrier.
3. The step-type testing fixture for photovoltaic modules according to claim 2, characterized in that, The limiting component includes a plurality of limiting units spaced apart along the height direction. Each limiting unit corresponds to one photovoltaic module to be tested. Each limiting unit includes a sensing element, a second driving element, and a limiting element. The limiting element is retractably disposed at the testing frame. The fixed end of the second driving element is mounted on the testing frame, and the driving end of the second driving element is connected to the limiting element. The sensing element is electrically connected to the second driving element. After detecting the position of the carrier, the sensing element sends a signal to the second driving element. The second driving element is configured to drive the limiting element to move toward the corresponding photovoltaic module after receiving the sensing signal, so as to abut against the carrier element, thereby limiting the movement stroke of the carrier element.
4. The step-type testing fixture for photovoltaic modules according to claim 3, characterized in that, The limiting component is a limiting support plate, and a guide slope is provided on the side of the limiting support plate near the photovoltaic module.
5. The step-type testing fixture for photovoltaic modules according to claim 1, characterized in that, The clamping assembly includes a clamping drive, a first gripper, and a second gripper, wherein: The fixed end of the clamping drive is mounted on the carrier, and the driving end of the clamping drive is connected to the first clamp and / or the second clamp. The first clamp is configured to clamp the positive terminal of the detection fixture, and the second clamp is configured to clamp the negative terminal of the detection fixture. The clamping drive is configured to drive the first clamp and the second clamp to move closer to or further away from each other. The clamping drive unit drives the first clamp and the second clamp to move closer to each other, so that the first clamp and the second clamp respectively clamp the positive terminal and the negative terminal and insert them into the preset position of the photovoltaic module to be tested, thereby performing IV testing on the photovoltaic module.
6. The step-type testing fixture for photovoltaic modules according to claim 1, characterized in that, A first proximity switch is provided on the testing frame corresponding to the topmost photovoltaic module. The detection end of the first proximity switch is set downward. The first proximity switch is electrically connected to the first driving component. The first proximity switch is configured to limit the upward movement of the carrier component.
7. The step-type testing fixture for photovoltaic modules according to claim 6, characterized in that, A second proximity switch is provided on the testing rack corresponding to the lowest photovoltaic module. The detection end of the first proximity switch is set upward. The second proximity switch is electrically connected to the first driving component. The second proximity switch is configured to limit the downward movement of the carrier.