CN209001906U - A kind of solar battery sheet test device - Google Patents
A kind of solar battery sheet test device Download PDFInfo
- Publication number
- CN209001906U CN209001906U CN201822002041.0U CN201822002041U CN209001906U CN 209001906 U CN209001906 U CN 209001906U CN 201822002041 U CN201822002041 U CN 201822002041U CN 209001906 U CN209001906 U CN 209001906U
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- Prior art keywords
- solar battery
- battery sheet
- main gate
- gate line
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 239000000523 sample Substances 0.000 claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to solar battery sheet the field of test technology, disclose a kind of solar battery sheet test device, it includes the electrode catheter for contacting with the welding electrode of solar battery sheet to be measured, it further include the grid line probe for being contacted with the main gate line of solar battery sheet or secondary grid line, electrode catheter connect circuit for testing voltage with one in grid line probe, another connection current testing circuit；Grid line probe includes flexible drive component and the press part for being connected to flexible drive component bottom, and press part is greater than main gate line along the size of main gate line width direction.Press part is buffered, swing is more flexible, and telescopic extensions are big, are not easy excessively to oppress main gate line, main gate line is avoided to damage when touching main gate line by elastic preferable flexible drive component；Press part is greater than main gate line along the size of main gate line width direction, can guarantee the range that main grid line width can be necessarily covered when press part pushes, it is ensured that can compress main gate line, it is ensured that the stability of test result.
Description
Technical field
The utility model relates to solar battery sheet the field of test technology more particularly to a kind of solar battery built-in testing to fill
It sets.
Background technique
As the demand of photovoltaic module cost efficiency is higher and higher, the main gate line on photovoltaic module becomes more, Cong Kai
Begin two main grid line electrodes (2-Bus Bars, 2BB) till now a plurality of main grid line electrode (Multi-Bus Bars,
MBB)。
It is grid line or the welding that will test probe and solar battery sheet by the way of in solar battery built-in testing
Electrode contact forms test loop and is tested.Since the grid line of MBB battery is thinner, conventional test can only will test probe
It is pressed on welding electrode, takes two probes of setting to be respectively used to voltage tester and testing current, due to each welding electrode
Limited area, the aligning accuracy of test machine generally also in millimeter magnitude are difficult that two probes are pressed in the same welding electricity simultaneously
On extremely.A kind of existing method is that two probes are separately pressed on different welding electrodes, this will cause EL again
Comparison of light and shade problem when (electroluminescent, electroluminescent) is tested, influences test result.Another method be by
Two probe combinations are pressed on the same electrode and are tested at a probe, and (fill factor, i.e. solar battery are most by FF
It is high-power with the ratio between open-circuit voltage and short circuit current product) compensated when calibrating standard film, the method can remove EL light and shade
Abnormal problem.However since the contact resistance of each actual test all can be variant, thus the offset of practical standard film cannot generation
The repeatability of actual test after table, the test of MBB battery electrical property is bad.To sum up, two test probes are pressed in same
There is larger problem on welding electrode or different welding electrodes.If probe is directly born against on grid line, on the one hand due to
Grid line is thinner, it is difficult to guarantee to hinder test to carry out in accurate pressure, influence test result；Another aspect average probe is due to elasticity
It is poor, it is easy excessively compressing grid line, to cause to damage to grid line.
Therefore, a kind of solar battery sheet test device is needed, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of solar battery sheet test device, it can be realized and press the same of upper grid line
When avoid that grid line is caused to damage.
For this purpose, the utility model uses following technical scheme:
A kind of solar battery sheet test device, including the electricity for being contacted with the welding electrode of solar battery sheet to be measured
Pole probe, further includes the grid line probe for contacting with the main gate line of the solar battery sheet or secondary grid line, and the electrode is visited
Needle connect circuit for testing voltage with one in the grid line probe, another connection current testing circuit；
Wherein, the grid line probe includes flexible drive component and is connected to compressing for the flexible drive component bottom
Part, the press part are greater than the main gate line along the size of main gate line width direction.
Preferably, the flexible drive component includes actuator and the first spring for being connected to the actuator bottom.
Preferably, the press part includes the contact beams for being connected to first spring bottom end, the axis of the contact beams
Line and the main gate line are arranged in angle.
Preferably, the upper surface of the extending direction of the contact beams and the solar battery sheet is arranged in angle.
Preferably, the press part further includes being connected to first spring bottom and two vertically arranged stringers,
Two stringers are separately connected the both ends of the contact beams.
Preferably, the length of two stringers is unequal.
Preferably, there are two first spring tools, the bottom of two first springs respectively connect one it is described vertical
Beam.
Preferably, the press part is the tabletting that bottom surface is in cambered surface, the length direction of the tabletting is parallel to the master
Grid line.
Preferably, the flexible drive component includes actuator and the elastic slice for being connected to the actuator bottom, it is described
Elastic slice is connect with the tabletting.
Preferably, the electrode catheter is spring probe or identical as the grid line probe structure.
The utility model has the beneficial effects that
Solar battery sheet test device provided by the utility model is used respectively by setting electrode catheter and grid line probe
In the welding electrode and grid line that compress solar battery sheet to be measured, Rs error caused by resistance can be avoided contact with, and then is solved
FF test error makes test repeatability reach the level of conventional batteries.
Grid line probe includes flexible drive component and the press part for being connected to flexible drive component bottom, and press part is touching
When grid line, buffered by elastic preferable flexible drive component, swing is more flexible, and telescopic extensions are big, are not easy excessively to oppress main grid
Line avoids main gate line from damaging；Press part is greater than main gate line along the size of main gate line width direction, when can guarantee that press part pushes
The range that main grid line width can necessarily be covered, can compress main gate line, it is ensured that the stability of test result.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the solar battery sheet test device provided by the utility model in test；
Fig. 2 is the structural schematic diagram for the solar battery sheet test device that the utility model embodiment one provides；
Fig. 3 is the structural schematic diagram for the solar battery sheet test device that the utility model embodiment two provides；
Fig. 4 is the structural schematic diagram for the solar battery sheet test device that the utility model embodiment three provides.
In figure:
1, solar battery sheet；11, main gate line；12, secondary grid line；13, welding electrode；
2, electrode catheter；21, sleeve；22, compression bar；23, pressure head；24, second spring；25, the first connecting line；
3, grid line probe；31, the first spring；32, contact beams；33, stringer；34, tabletting；341, flange；35, elastic slice；36,
Second connecting line；37, connection sheet.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment one
A kind of solar battery sheet test device is present embodiments provided, as shown in Figure 1, solar battery sheet 1 has cross
To the main gate line 11 of (left and right directions in figure) and the secondary grid line 12 of longitudinal direction, main gate line 11 and secondary 12 intersection of grid line are welding electrode
13.Solar battery sheet test device provided by the utility model includes electrode catheter 2 and grid line probe 3, and electrode catheter 2 is used for
It is contacted with the welding electrode 13 of solar battery sheet 1 to be measured, grid line probe 3 is for the main gate line with solar battery sheet 1 to be measured
11 or secondary grid line 12 contact, electrode catheter 2 connect circuit for testing voltage with one in grid line probe 3, another connects electric current
Test circuit.By respectively being set at the welding electrode 13 and grid line of solar battery sheet 1 (main gate line 11 or secondary grid line 12) respectively
A probe is set, Rs error caused by resistance can be avoided contact with, and then solve FF test error, test repeatability is made to reach normal
Advise the level of battery.
Since the probe of test voltage and the probe of test electric current separate and are arranged in pairs, quantity and welding electrode 13
Quantity it is identical, test point is close to welding electrode 13 but does not contact.Electrode catheter 2 and grid line probe 3 apart from for 1-10mm, such as
1mm,3mm,5mm,7mm,9mm,10mm.By two test points close to but do not contact, can be avoided and cause EL
Comparison of light and shade problem when (electroluminescent, electroluminescent) is tested, test result are more accurate.
As shown in Fig. 2, electrode catheter 2 can be common spring probe, specifically, spring probe includes sleeve 21, sets
It is placed in sleeve 21 and the compression bar 22 that can be moved along the central axial direction of sleeve 21, the pressure head for being set to 22 bottom of compression bar
23 and the second spring 24 that is connected between sleeve 21 and compression bar 22.The top of compression bar 22 is connected by the first connecting line 25
Voltage tester circuit or testing current circuit.Sleeve 21 is connect with probe driving mechanism, and when test, sleeve 21 is in probe actuation machine
It is moved down under the driving of structure, when the welding electrode 13 of 23 contact solar cell piece 1 of pressure head, compression bar 22 oppresses second spring
24 deformations, with compensator or trimmer pressure.
In the structure of grid line probe 3, since the grid line of MBB battery is thinner, if using routine identical with electrode catheter 2
Spring probe be easy to cause probe excessively to oppress grid line since the elastic range of second spring 24 is smaller；And due to sleeve 21
Limitation, pressure head 23 only can be flexible along the central axial direction of sleeve 21, and freedom degree is smaller, it is difficult to ensure grid line in pressure.
For this purpose, grid line probe 3 includes flexible drive component and the press part for being connected to flexible drive component bottom, elasticity is driven
The top of dynamic component connects the second connecting line 36, and the second connecting line 36 is for connecting voltage tester circuit or testing current circuit.
Press part is buffered, swing is more flexible, and telescopic extensions are big, are not easy when touching grid line by elastic preferable flexible drive component
Excessively compressing grid line, avoids grid line from damaging.Grid line probe 3 provided in this embodiment is preferably contacted with main gate line 11, main gate line 11
Wider compared to secondary grid line 12, the abrasion in contact process is smaller.Press part is greater than along the size of 11 width direction of main gate line
Main gate line 11 can guarantee the range that can necessarily cover 11 width of main gate line when press part pushes, can compress master
Grid line 11, it is ensured that the stability of test result.
Above-mentioned grid line probe 3 has bigger flexible adjustment range compared to electrode catheter 2, is suitable for main gate line 11
Engaged test.Certainly, in order to avoid electrode catheter 2 oppresses excessively welding electrode 13, electrode catheter 2 can also be visited with grid line
3 structure of needle is identical.
In the present embodiment, flexible drive component includes actuator and the first spring 31 for being connected to actuator bottom, driving
Part linking probe driving mechanism, the first spring 31 can move under the drive of actuator, drive press part mobile.Flexible drive
Component can be the first spring 31.First spring 31 is made of deformation biggish spring when stress, compresses the sun in press part
When energy cell piece 1, the first spring 31 can be deformed rapidly, pressure of the buffering press part to solar battery sheet 1；And first spring
31 deformation quantity is larger, is supplied to the biggish extendable room of press part, is not easy excessively to oppress main gate line 11；In addition, the first spring
31 outside is not limited only to the variation along its center position without limiting structure, the deformation of the first spring 31, can be according to press part
Actual loading carry out swing adjustment, adjustable range is more flexible.
Press part includes the contact beams 32 for being connected to 31 bottom end of the first spring, the extending direction and main gate line 11 of contact beams 32
It is arranged in angle, so that contact beams 32 are greater than main gate line 11 in the size along 11 width direction of main gate line.It is pushed in contact beams 32
When, the axis of contact beams 32 and main gate line 11 are arranged in angle, so that contact beams 32 can necessarily cover the width of main gate line 11
Range is spent, guarantees that contact beams 32 can be contacted with main gate line 11.The length of contact beams 32 is 0.2-5mm, such as: 0.2mm,
0.5mm、1mm、2mm、3mm、4mm、5mm。
To further ensure that contact beams 32 are well contacted with main gate line 11, the axis and solar battery sheet 1 of contact beams 32
Upper surface in angle be arranged so that the both ends of contact beams 32 are not in same level.By the setting, contact beams 32 to
When lower mobile, one end is first contacted with solar battery sheet 1, and the other end is under the contraction of the first spring 31 gradually to solar battery
Piece 1 is close, and contact beams 32 can necessarily be contacted with main gate line 11.
Specifically, press part further includes being connected to 31 bottom of the first spring and two vertically arranged stringers 33, and two vertical
Beam 33 is separately connected the both ends of contact beams 32, and stringer 33 guarantees connection for the connection between contact beams 32 and the first spring 31
Stablize.In the present embodiment, the metal material that stringer 33, contact beams 32 and the first spring 31 are all made of can be conductive is made.To realize
The axis of contact beams 32 and the upper surface of solar battery sheet 1 are arranged in angle, and the length of two stringers 33 is unequal.
Embodiment two
Present embodiments provide a kind of solar battery sheet test device.In the present embodiment, the first spring 31 be can be set
It is two, as shown in figures 1 and 3, the bottom of two the first springs 31 respectively connects a stringer 33, the top of two the first springs 31
Portion is connected by a connection sheet 37 that can be conductive, and connection sheet 37 connects the second connecting line 36.By the way that two the first bullets are arranged
Spring 31 carries out telescopic adjustment to two stringers 33 respectively, can preferably control the position at 32 both ends of contact beams.In the present embodiment
Other structures be the same as example 1, this will not be repeated here.
Embodiment three
Present embodiments provide a kind of solar battery sheet test device.As shown in figure 4, in the present embodiment, press part is
Bottom surface is in the tabletting 34 of cambered surface, and the length direction of tabletting 34 is parallel to main gate line 11, and the size of the width direction of tabletting 34 is greater than
The width of main gate line 11.Flexible drive component includes actuator and the elastic slice 35 for being connected to actuator bottom, elastic slice 35 and tabletting
34 connections.Tabletting 34 moves down under the drive of elastic slice 35, when compressing solar battery sheet 1,35 stress deformation of elastic slice, together
When tabletting 34 position also can be correspondingly adjusted according to the variation of cambered surface so that tabletting 34 to main gate line compress have compared with
Big flexibility is not easy to damage main gate line 11 by pressure.The width that the size of the width direction of tabletting 34 is greater than main gate line 11 ensure that tabletting
34 can cover main gate line 11 in the direction of the width, it is ensured that can contact with main gate line 11.One end of tabletting 34 and elastic slice 35 connect
It connects and arc transition, another side has set up flange 341, flange 341 can be avoided tabletting 34 and directly press end in decline
In causing main gate line 11 to damage in main gate line 11, the other structures in the present embodiment are the same as example 1, and are not done herein superfluous
It states.
In above-mentioned multiple embodiments, solar battery sheet test device in test, visit by probe driving mechanism driving electrodes
Needle 2 and grid line probe 3 move downward simultaneously, the 23 contact weld electrode 13 of pressure head of electrode catheter 2, the contact beams of grid line probe 3
Main gate line 11 is contacted, so that the circuit of test voltage and the circuit of test electric current are both turned on, to carry out to solar battery sheet
Test.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of solar battery sheet test device, including being connect for the welding electrode (13) with solar battery sheet to be measured (1)
The electrode catheter (2) of touching, which is characterized in that further include for the main gate line (11) or pair grid with the solar battery sheet (1)
The grid line probe (3) of line (12) contact, the electrode catheter (2) connect voltage tester with one in the grid line probe (3)
Circuit, another connection current testing circuit；
Wherein, the grid line probe (3) includes flexible drive component and the press part for being connected to the flexible drive component bottom,
The press part is greater than the main gate line (11) along the size of main gate line (11) width direction.
2. solar battery sheet test device according to claim 1, which is characterized in that the flexible drive component includes
Actuator and the first spring (31) for being connected to the actuator bottom.
3. solar battery sheet test device according to claim 2, which is characterized in that the press part includes being connected to
The axis of the contact beams (32) of first spring (31) bottom end, the contact beams (32) is set with the main gate line (11) in angle
It sets.
4. solar battery sheet test device according to claim 3, which is characterized in that the extension of the contact beams (32)
The upper surface of direction and the solar battery sheet (1) is arranged in angle.
5. solar battery sheet test device according to claim 3, which is characterized in that the press part further includes connection
In the first spring (31) bottom and two vertically arranged stringers (33), two stringers (33) are separately connected described connect
Touch the both ends of beam (32).
6. solar battery sheet test device according to claim 5, which is characterized in that the length of two stringers (33)
It spends unequal.
7. solar battery sheet test device according to claim 5, which is characterized in that first spring (31) has
Two, the bottom of two first springs (31) respectively connects the stringer (33).
8. solar battery sheet test device according to claim 1, which is characterized in that the press part is that bottom surface is in arc
The length direction of the tabletting (34) in face, the tabletting (34) is parallel to the main gate line (11).
9. solar battery sheet test device according to claim 8, which is characterized in that the flexible drive component includes
Actuator and the elastic slice (35) for being connected to the actuator bottom, the elastic slice (35) connect with the tabletting (34).
10. -9 described in any item solar battery sheet test devices according to claim 1, which is characterized in that the electrode is visited
Needle (2) is spring probe or identical as grid line probe (3) structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002041.0U CN209001906U (en) | 2018-11-30 | 2018-11-30 | A kind of solar battery sheet test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002041.0U CN209001906U (en) | 2018-11-30 | 2018-11-30 | A kind of solar battery sheet test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001906U true CN209001906U (en) | 2019-06-18 |
Family
ID=66808188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822002041.0U Expired - Fee Related CN209001906U (en) | 2018-11-30 | 2018-11-30 | A kind of solar battery sheet test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209001906U (en) |
-
2018
- 2018-11-30 CN CN201822002041.0U patent/CN209001906U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |