CN208297378U - Based on electroluminescent solar battery sheet defect detecting device - Google Patents
Based on electroluminescent solar battery sheet defect detecting device Download PDFInfo
- Publication number
- CN208297378U CN208297378U CN201820910783.0U CN201820910783U CN208297378U CN 208297378 U CN208297378 U CN 208297378U CN 201820910783 U CN201820910783 U CN 201820910783U CN 208297378 U CN208297378 U CN 208297378U
- Authority
- CN
- China
- Prior art keywords
- camera
- probe
- electroluminescent
- solar battery
- battery sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Electroluminescent Light Sources (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses one kind to be based on electroluminescent solar battery sheet defect detecting device, and described device includes camera bellows, host, image collecting device, probe arranging device and power supply, and described image acquisition device includes camera and image pick-up card；The camera and probe arranging device are located in camera bellows, and the probe arranging device is located at below the camera, and the probe arranging device connects to power supply, and described image acquisition device is connect with the host；The probe arranging device includes that two probes arrange seat, and the distance between two probe row's seats are adjustable；The probe row seat includes probe row and sliding rail, and probe row can slide in sliding rail.The detection device has a characteristic of compatible more main grid solar batteries, compact-sized, facilitate operation, good compatibility.
Description
Technical field
The utility model relates to photovoltaic solar cell defects detection field, more particularly to it is a kind of based on it is electroluminescent too
Positive energy defects of battery plate detection device.
Background technique
Solar battery is the device for directly luminous energy being converted to by photoelectric effect electric energy, wherein most widely used be
Crystal silicon solar batteries, the superiority and inferiority for measuring cell piece have many indexs, and most important one one is photoelectric conversion efficiency, i.e., electric
Pond plate is converted into solar energy the efficiency of electric energy, and there are many kinds of the factors for influencing photoelectric conversion efficiency, and wherein cell piece is scarce
It falls into very big on efficiency influence.In general defect is divided into External Defect and internal flaw, and External Defect includes broken, unfilled corner, leakage
Slurry etc., this kind of defects can directly be detected by Manual Visual Inspection and industrial camera.And for such as disconnected grid, crack, black
The internal flaws such as piece, the above method just fail.This kind of defects have seriously affected the efficiency of solar battery, so for interior
The detection of portion's defect is a part indispensable in manufacture of solar cells.
Electroluminescent (Electroluminescence), i.e. luminous object are generated luminescence phenomenon by electric field excitation, and being will be electric
A kind of solid luminescence phenomenon of luminous energy can be converted directly into.When being powered to solar panel PN junction forward direction, electronics and hole
It is compound to be released energy in the form of being emitted photon.The near infrared light that wavelength is 1150nm is issued when crystal silicon solar batteries are powered,
With certain luminous intensity, electroluminescent image can be shot using near infrared camera, the intact region of cell piece presents bright
White, apparent blackening will be presented without electronics and hole-recombination situation in defects of battery plate part, therefore can use near-infrared
Camera image capture method shoots electroluminescent image, is analyzed then in conjunction with image processing algorithm, can be detected sunny energy electricity
The internal flaw of pond piece.Electroluminescent detects cell piece internal flaw, is measurement cell piece superiority and inferiority on manufacture of solar cells line
Important means.
But a kind of cell piece of specification can only be detected currently based on electroluminescent solar battery sheet defect detecting device,
The characteristic of more main grid solar batteries, poor compatibility can not be compatible with.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art and deficiencies, provide a kind of based on electroluminescent
Solar battery sheet defect detecting device, the detection device have the characteristic of compatible more main grid solar batteries, compact-sized, side
Just operation, good compatibility.
The purpose of this utility model can be achieved through the following technical solutions:
One kind being based on electroluminescent solar battery sheet defect detecting device, and described device includes camera bellows, host, image
Acquisition device, probe arranging device and power supply, described image acquisition device include camera and image pick-up card；The camera and probe
Arranging device is located in camera bellows, and the probe arranging device is located at below the camera, and the probe arranging device connects to power supply, described
Image collecting device is connect with the host；The probe arranging device includes that two probes arrange seat, and two probes are arranged between seats
Apart from adjustable, the probe row seat includes probe row and sliding rail, and probe row can slide in sliding rail.Sliding rail can adjust probe and arrange it
Between distance, adapt it to the cell piece of any specification, strong applicability.
The distance between described two probe row seats are adjusted by screw rod as a preferred technical solution,.
The camera is installed on camera adjustment bracket as a preferred technical solution, and the camera adjustment bracket is located at
On crossbeam in the camera bellows, the camera can realize on camera adjustment bracket and move up and down that the camera adjustment bracket can
It realizes and moves left and right on crossbeam.
The camera front end is equipped with infrared filter as a preferred technical solution,.Infrared filter can be filtered off effectively
Visible light makes electroluminescent imaging effect more preferably.
The camera is CMOS near-infrared industrial camera as a preferred technical solution,.Using newest CMOS near-infrared
Camera, detection speed is faster.
The probe arranging device is connect by crossover sub with the power supply as a preferred technical solution,.
Described device further includes objective table as a preferred technical solution, the objective table be placed in two probes row seats it
Between, cell piece is placed on the objective table.
The power supply is 0-10A as a preferred technical solution, and constant-current voltage-stabilizing electricity is adjusted in the soft on-off of 0-60V range
Source.Constant current regulated power supply can effectively reduce the powered up and down impact to power supply, improve service life of equipment, while reducing test
Cell piece overcurrent damage caused by electric current.
The utility model compared with prior art, is had the following advantages and beneficial effects:
1, the distance between two probe row's pedestals are adjusted by screw rod, enable the probe in probe row with cell piece
Main gate line keep good contact.
2, probe row pedestal is equipped with sliding rail, and probe row can slide on the slide rail, and the cell piece of different size can be adjusted arbitrarily
The distance between probe row, so that detection device be made to have better compatibility.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar battery sheet defect detecting device in the utility model embodiment.
Fig. 2 is single probe row holder structure figure in the utility model embodiment.
Fig. 3 is the flow chart of solar battery sheet defects detection in the utility model embodiment.
Detailed description of the invention: 101: camera bellows, 102: camera, 103: infrared filter, 104: probe arranging device, 105: conversion connects
Head, 106: power supply, 107: objective table, 108: first motor, 109: probe arranges seat, and 110: host, 111: camera adjusts bracket,
112: image pick-up card, 113: the second screw rods, 114: the second motors, 115: the first screw rods, 116: crossbeam, 201: probe, 202:
Probe row, 203: guide rail.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
As shown in Figure 1, being provided in the utility model embodiment a kind of based on electroluminescent solar battery sheet defect
Detection device, the device include camera bellows 101, host 110, image collecting device, probe arranging device and power supply 106.
Camera bellows 101 using lighttight closing chest made of black aluminium sheet material, can effectively prevent extraneous light into
Enter, keeps electroluminescent imaging effect more preferable.Camera 102 and probe arranging device 104 are located in camera bellows, and probe arranging device 104 is located at
102 lower section of camera.Crossbeam 116 is equipped with above camera bellows 101, camera 102 is installed on camera adjustment bracket 111, camera adjustment branch
Frame 111 is installed on crossbeam 116, is realized that camera 102 is adjusted in camera by bolt and is moved up and down on bracket 111, camera adjustment
Bracket 111 moves left and right on crossbeam 116.
Image collecting device includes camera 102 and image pick-up card 112.Camera 102 is CMOS near-infrared industrial camera,
The near infrared light of 800-1200nm wavelength can be detected.102 front end of camera is equipped with infrared filter 103.Infrared filter
103 be long wave flow-through infrared fileter, is made with coloured glass, can effectively filter off visible light, makes electroluminescent imaging effect
Fruit is more preferably.Camera 102 is connect via image pick-up card 112 with host 110.
Host 110 includes display, and defects detection software is equipped in host 110, and defects detection software can be according to phase
Whether the cell piece image analysis that machine 102 is shot is defective.
Probe arranging device 104 includes that two probes arrange seat 109, and two probe about 109 seats of row are placed on the second screw rod 113
On the first screw rod 115.First screw rod 115 is driven by motor 108, and the second screw rod 113 is driven by motor 114.Second
The distance between bar 113 and the controllable two probes row seat 109 of the first screw rod 115, to make the probe on probe row's seat 109
It can keep good with cell piece to contact.As shown in Fig. 2, probe row's seat 109 includes probe row 202 and sliding rail 203, probe row
202 are made of row's probe 201.Probe arranges two sides and is equipped with sliding rail 203, can slide on sliding rail 203, can be according to battery
The specification of piece is different and arbitrarily adjusts probe and arranges the distance between 202.Probe row 202 is spring probe, can effectively be buffered to electricity
The impact of pond piece.
Probe arranging device 104 is connect with power supply 106, it is preferred that can connect power supply 106 by crossover sub 105.Electricity
Source 106 is 0-10A, and constant current regulated power supply is adjusted in the soft on-off of 0-60V range, can be effectively reduced powered up and down to power supply
Impact, improves the service life of detection device, while reducing cell piece overcurrent damage caused by test electric current.
Preferably, detection device further includes objective table 107.Objective table 107 is placed between two probe row's seats 104, battery
Piece is placed on objective table 107.When needing streamline operation, objective table 107 can be set to roll with, to realize multiple batteries
The successively detection of piece.
As shown in figure 3, being additionally provided in the utility model embodiment a kind of scarce based on electroluminescent solar battery sheet
Detection method is fallen into, this method comprises the following steps:
S1, nearly Infrared Industrial camera 102 are installed on camera adjustment bracket 112, and camera adjustment bracket 112 is installed secretly
On the crossbeam 116 of case 101, guarantee that camera 102 is located at the surface of probe arranging device 104.
S2, the solar battery sheet detected will be needed to be placed on probe arranging device 104, guarantees that cell piece is face-up,
And it is consistent to make the main gate line direction of cell piece and probe arrange 202 directions, adjust between two probes row's pedestals 109 distance and
The distance between each probe row 202, makes each probe keep well contacting with main gate line.
S3, the probe lead of linking probe arranging device 104 and crossover sub 105, guarantee positive and negative anodes correctly access, then
The anode of crossover sub 105 is connected with the cathode of power supply 106, and the cathode of crossover sub is connect with the anode of power supply 106.
The defects of S4, operation host 110 inspection software, triggering camera 102 make it obtain battery picture in real time and show
Show in the window of display, adjusting camera heights, focal length and aperture is most clearly shown in cell piece completely in window.
S5, power supply is opened, slowly adjusts electric current to 10A, window shows the cell piece infrared image of complete display at this time, protects
Deposit the image.
S6, detection button is clicked in defects detection software, the battery picture that defects detection software detection has saved divides
Whether analysis is defective, outlines defect whereabouts with colored line for defective image, and indicate defect title.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. one kind be based on electroluminescent solar battery sheet defect detecting device, which is characterized in that described device include camera bellows,
Host, image collecting device, probe arranging device and power supply, described image acquisition device include camera and image pick-up card；It is described
Camera and probe arranging device are located in camera bellows, and the probe arranging device is located at below the camera, the probe arranging device and electricity
Source connection, described image acquisition device are connect with the host；The probe arranging device includes that two probes arrange seat, two probes
It is adjustable to arrange the distance between seat；The probe row seat includes probe row and sliding rail, and probe row can slide in sliding rail.
2. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In the distance between described two probe row seats are adjusted by screw rod.
3. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In the camera is installed on camera adjustment bracket, and the camera adjustment bracket is located on the crossbeam in the camera bellows, the phase
Machine can realize on camera adjustment bracket and move up and down that the camera adjustment bracket can be realized on crossbeam to be moved left and right.
4. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In the camera front end is equipped with infrared filter.
5. according to claim 1, one kind described in 3 or 4 is based on electroluminescent solar battery sheet defect detecting device, special
Sign is that the camera is CMOS near-infrared industrial camera.
6. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In the probe arranging device is connect by crossover sub with the power supply.
7. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In described device further includes objective table, and the objective table is placed between two probe row's seats, and cell piece is placed in the objective table
On.
8. according to claim 1 a kind of based on electroluminescent solar battery sheet defect detecting device, feature exists
In the power supply is 0-10A, and constant current regulated power supply is adjusted in the soft on-off of 0-60V range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910783.0U CN208297378U (en) | 2018-06-13 | 2018-06-13 | Based on electroluminescent solar battery sheet defect detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910783.0U CN208297378U (en) | 2018-06-13 | 2018-06-13 | Based on electroluminescent solar battery sheet defect detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297378U true CN208297378U (en) | 2018-12-28 |
Family
ID=64701407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820910783.0U Active CN208297378U (en) | 2018-06-13 | 2018-06-13 | Based on electroluminescent solar battery sheet defect detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469439A (en) * | 2018-06-13 | 2018-08-31 | 华南理工大学 | Based on electroluminescent solar battery sheet defect detecting device and method |
| CN113406484A (en) * | 2021-08-19 | 2021-09-17 | 华芯半导体研究院(北京)有限公司 | Device and method for failure analysis of chip |
-
2018
- 2018-06-13 CN CN201820910783.0U patent/CN208297378U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469439A (en) * | 2018-06-13 | 2018-08-31 | 华南理工大学 | Based on electroluminescent solar battery sheet defect detecting device and method |
| CN113406484A (en) * | 2021-08-19 | 2021-09-17 | 华芯半导体研究院(北京)有限公司 | Device and method for failure analysis of chip |
| CN113406484B (en) * | 2021-08-19 | 2021-11-09 | 华芯半导体研究院(北京)有限公司 | Device and method for failure analysis of chip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207992073U (en) | Battery battery core open defect testing agency | |
| CN208297378U (en) | Based on electroluminescent solar battery sheet defect detecting device | |
| CN108469439A (en) | Based on electroluminescent solar battery sheet defect detecting device and method | |
| Ebner et al. | Defect analysis in different photovoltaic modules using electroluminescence (EL) and infrared (IR)-thermography | |
| CN203178203U (en) | Automatic solar silicon wafer color detection device based on machine vision | |
| CN202837487U (en) | Solar cell detecting device | |
| CN207339793U (en) | A kind of double-sided solar battery test equipment | |
| CN108447798B (en) | Silicon crystal battery blue film detection system and image acquisition device thereof | |
| CN207439960U (en) | Solar components fault detection system | |
| TW201946374A (en) | Inspection system for concentrating photovoltaic apparatus and inspection method for light receiving part | |
| CN112718555A (en) | Silicon solar cell sorting process test system | |
| CN104359914A (en) | Solar cell defect detecting equipment and detecting method | |
| CN201724951U (en) | Pulling plate shading device with EL tester | |
| CN201440127U (en) | Defect detection device for solar cells and modules | |
| CN103674964B (en) | Thermal infrared imager is used to carry out solar panels defect detecting device | |
| CN207717892U (en) | Test platform for photovoltaic module | |
| CN205406549U (en) | EL detection device and automatic stringer | |
| CN209105121U (en) | A kind of EL test macro | |
| Yongqing et al. | Research to the typical defects of crystalline silicon photovoltaic cells based on EL images | |
| CN206974385U (en) | A kind of solar silicon wafers vision inspection apparatus | |
| CN203587516U (en) | Infrared defect detection device of IBC (Interdigitated Back Contact) solar battery | |
| CN206595963U (en) | A kind of photovoltaic module EL detection means | |
| CN208985956U (en) | Detection device | |
| CN207247061U (en) | A kind of solar street light for environmental monitoring | |
| CN207853845U (en) | Photovoltaic module EL test devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |