CN106712717A - Solar cell performance test system and test method thereof - Google Patents
Solar cell performance test system and test method thereof Download PDFInfo
- Publication number
- CN106712717A CN106712717A CN201710153869.3A CN201710153869A CN106712717A CN 106712717 A CN106712717 A CN 106712717A CN 201710153869 A CN201710153869 A CN 201710153869A CN 106712717 A CN106712717 A CN 106712717A
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- solar cell
- solar
- simulator
- elastic membrane
- supporting plate
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- 238000010998 test method Methods 0.000 title claims abstract description 8
- 238000011056 performance test Methods 0.000 title claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000005484 gravity Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 42
- 238000012360 testing method Methods 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 81
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention provides a solar cell performance test system and test method thereof. The system comprises a PLC (Programmable Logic Controller) main controller, a solar simulator, a cell fixing device, a load resistor and a detection device, wherein the center of the solar simulator is hung on a support via a universal joint, a plurality of counterweights for adjusting balance are uniformly distributed in the circumferential direction of the solar simulator, the cell fixing device comprises a liftable base, a supporting plate is arranged at the top of the liftable base, a trough is arranged on the periphery of the supporting plate, the open end of the trough is sealed by an elastic film, a solar cell is placed on the elastic film and connected to the detection device via the load resistor, a vibrating device is arranged on the supporting plate inside the trough, and the PLC main controller is connected with the solar simulator, the detection device and the vibrating device by a circuit. The system realizes adjustment of the light source direction under the cooperation of the counterweights and the active water surface based on the direction of gravity, is finely adjusted via the vibrating device, and is simple, convenient, flexible in control and high in control precision.
Description
Technical field
The present invention relates to field of photovoltaic technology, more particularly to a kind of solar cell properties test system and its test side
Method.
Background technology
Due to the randomness of cell piece manufacturing conditions, the battery performance produced is not quite similar, so in order to effectively
By the consistent or close battery combination of performance together, so should be classified according to its performance parameter；Battery testing is to pass through
The size for testing the output parameter (electric current and voltage) of battery is classified to it.To improve the utilization rate of battery, mass is done
Qualified solar cell module.If a piece of or several cell pieces of low-power in solar cell monomer, it will
Making the power output of whole component reduces.Therefore, in order to reduce the loss of battery series-parallel connection to greatest extent, it is necessary to by performance phase
Near cell is combined into component.
When actually used, in order to obtain the intensity of illumination of maximum, solar panel is with the sun for solar panel
The change of position and change, remain the state perpendicular with sunshine.In nature, due to the distance of the liftoff ball of the sun
It is very big, it is therefore contemplated that it is directional light that solar irradiation is mapped on object, when the test of solar cell is carried out, it is necessary to the greatest extent may be used
The illumination of the simulated solar of energy, is tested solar cell one by one in directional light.And existing test system, in test
During different solar cell, it is impossible to ensure the uniformity of the position of solar cell, test result is set to there is error, influence is too
The screening of the classification of positive energy battery.
The content of the invention
The technical problems to be solved by the invention are：In order to overcome deficiency of the prior art, the present invention to provide one kind too
Positive energy battery performance testing system and its method of testing, performance that can be fast and effectively to solar cell are tested, and
And adjustment calibration accurate quick.
The present invention solves its technical problem technical scheme to be taken：A kind of solar cell properties test system,
Including PLC master controllers, solar simulator, cell fixing device, load resistance and detection means, the solar simulator
Simulated solar launches parallel white light, and the solar simulator is suspended on support centrally through universal joint, and institute
The axis of universal joint is stated by the center of gravity of the solar simulator, the solar simulator is circumferential uniform multiple for adjusting
The weight of balance is saved, the weight is distributed on the same circumference with solar simulator center of gravity as the center of circle, the solar energy mould
Intend device to be located at directly over the cell fixing device, the cell fixing device includes Liftable base, the Liftable base
Top is provided with supporting plate, and the supporting plate periphery is provided with annular water tank, and the section configuration of the annular water tank is upper end open
Trapezoidal, the opening end seal is provided with elastic membrane, and the bottom of the tank is connected by pipeline with water pump, and the solar cell is put
In in the elastic membrane, and detection means is connected to by load resistance, the supporting plate inside the annular water tank is provided with shakes
Dynamic device, the PLC master controllers and the solar simulator, detection means and vibrating device connection.
Further, the edge of the tank opening is connected with elastic membrane edge coils winding.
A kind of solar cell properties method of testing, including above-mentioned solar cell properties test system, also including with
Lower step：
Step 1：The position of solar simulator is adjusted by weight, solar simulator is kept water under gravity
It is flat, and solar simulator Vertical Launch is gone out the white light parallel with gravity direction；
Step 2：The position of supporting plate is adjusted, tank is in basic horizontal state, PLC master controllers start water pump makes water
Aqueous water is full of in groove, and heaves elastic membrane, and elastic membrane is higher by the edge certain altitude of the tank；In the effect of gravity
Under, the water surface being connected is in horizontality, the adjustment without carrying out machinery, simple easily to realize；Note in water pump water supply groove
Water, the different size that can have solar cell with root, the height of liquid level in adjustment tank, to meet the solar energy of plurality of specifications
The test of battery.
Step 3：By sucking disc type mechanical hand, solar cell is adsorbed and is placed in elastic membrane, solar cell pressure
In elastic membrane, elastic membrane deformation makes solar cell have larger contact area with elastic membrane, can make solar cell
Position is fixed；Elastic membrane is heaved for supporting solar cell, and the elastic membrane for coating water has certain soft readjustment ability, can
So that solar panel keeps good horizontality；In addition, when solar cell is pressed in elastic membrane, because gravity is made
Deformed with elastic membrane, the contact area of increase and solar cell, increasing friction force, solar cell has the table of smoother
Face, makes it be more prone to absorption on the surface of elastic membrane, increases adhesive force, improves stability；Due to elastic membrane have it is certain
Pliability, does not damage solar cell surface.
Step 4：PLC master controller Vibration on Start-up devices, by the vibration of vibrating device, feed trough are transmitted by vibrational energy
Interior water, dynamic micro-adjustments are carried out by the vibration of water to the position of solar cell；Solar energy can be driven by the vibration of water
Battery synchronous vibration, is easy to horizontal adjustment；In addition, the bubble in vibration on contact surface of the solar cell surface with elastic membrane
It is expelled from coming, can be further improved the adhesive force of solar cell, is improved stability, it is not necessary to which additional fixing device is with regard to energy
Enough fix solar cell, it is to avoid damage of the clamping device to solar cell.
Step 5：After the completion of adjustment, PLC master controllers first switch off the pump and vibrating device, and then control starts solar energy mould
Intend device and detection means, solar cell is tested.
Further, it is also including solar cell location calibration device and further comprising the steps of in step 3：Logical
Before crossing sucking disc type mechanical hand absorption solar cell, first have to using solar cell location calibration device to solar cell
Position is calibrated, and makes the center of solar cell and the coordinate center superposition of sucking disc type mechanical hand.In order to ensure solar-electricity
The position in pond is located at the center of tank, and its position is adjusted first when solar cell is placed in elastic membrane, carries
Positioning precision high.
On the basis of the direction of gravity, the adjustment of light source direction, simple side are realized with the cooperation of the active water surface using weight
Just.During test, the light source that solar simulator launches certain illumination is radiated in solar cell surface, it is produced electricity
Energy；Cell fixing device is used to install solar cell and adjust it just to light source；Load resistance is connected on the periphery electricity of battery
Lu Shang, forms loop, and the output characteristics of solar cell is changed by changing resistance sizes；Detection means include thermometer,
Data acquisition, record and display module, thermometer are used to measure the back surface temperature of solar cell, to reach standard testing bar
The requirement of part；Data acquisition, record and display module can complete the output voltage of solar cell, output current collection with
And the characteristic displays of V-I etc..
The beneficial effects of the invention are as follows：A kind of solar cell properties test system and its test side that the present invention is provided
Method, on the basis of the direction of gravity, the adjustment of light source direction is realized using weight with the cooperation of the active water surface, and by vibration
Device is finely adjusted, simple and convenient, and control is flexible, and control accuracy is high.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment；
Fig. 2 is the structural representation of preferred embodiment；
Fig. 3 is the structural representation of tank；
Fig. 4 is the structural representation that tank is connected with elastic membrane.
In figure：1st, universal joint, 2, solar simulator, 3, weight, 4, solar cell, 5, tank, 6, liftable bottom
Seat, 7, vibrating device, 8, supporting plate, 9, elastic membrane, 10, water pump.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention, direction and reference (for example,
Upper and lower, left and right, etc.) can be only used for helping the description to the feature in accompanying drawing.Therefore, not adopted in restrictive, sense
With detailed description below, and claimed theme is only limited by appended claims and its equivalents
Scope.
As Figure 1-4, a kind of solar cell properties test system of the invention, including PLC master controllers, solar energy
Simulator 2, cell fixing device, load resistance and detection means, the simulated solar of the solar simulator 2 launch parallel
White light, the solar simulator 2 is suspended on support centrally through universal joint 1, and the universal joint 1 axis warp
Cross the center of gravity of the solar simulator 2, the circumferential uniform multiple weights 3 for adjustment of the solar simulator 2, institute
State weight 3 to be distributed on the same circumference with the center of gravity of solar simulator 2 as the center of circle, the solar simulator 2 is located at described
Directly over cell fixing device, the cell fixing device includes Liftable base 6, and the top of the Liftable base 6 is provided with branch
Fagging 8, the periphery of the supporting plate 8 is provided with annular water tank 5, and the section configuration of the annular water tank 5 is trapezoidal, the institute of upper end open
State opening end seal and be provided with elastic membrane 9, the bottom of the tank 5 is connected by pipeline with water pump 10, and the solar cell 4 is placed in
In the elastic membrane 9, and detection means is connected to by load resistance, the supporting plate 8 inside the annular water tank 5 is provided with shakes
Dynamic device 7, the PLC master controllers and the solar simulator 2, detection means and the connection of vibrating device 7.
As shown in figure 4, the edge of the opening of the tank 5 is connected with the edge coils of the elastic membrane 9 winding.
A kind of solar cell properties method of testing, including the above-mentioned Performance Test System of solar cell 4, also including too
The positive energy location calibration device of battery 4 and following steps：
Step 1：The position of solar simulator 2 is adjusted by weight 3, solar simulator 2 is protected under gravity
Water holding is put down, and the Vertical Launch of solar simulator 2 is gone out the white light parallel with gravity direction；
Step 2：The position of supporting plate 8 is adjusted, tank 5 is in basic horizontal state, PLC master controllers start water pump 10
Make full of aqueous water in tank 5, and heave elastic membrane 9, and elastic membrane 9 is higher by the edge certain altitude of the tank 5；In weight
In the presence of power, the water surface being connected is in horizontality, the adjustment without carrying out machinery, simple easily to realize；Water pump 10 is used for
Water filling in feed trough 5, the different size that can have solar cell 4 with root, the height of liquid level, more to meet in adjustment tank 5
Plant the test of the solar cell 4 of specification.
Step 3：The position of solar cell 4 is calibrated using the location calibration device of solar cell 4 first, is made too
The center of positive energy battery 4 and the coordinate center superposition of sucking disc type mechanical hand；Then by sucking disc type mechanical hand, by solar cell
4 are adsorbed and are placed in elastic membrane 9, and solar cell 4 is pressed in elastic membrane 9, and the deformation of elastic membrane 9 makes solar cell 4 and bullet
Property film 9 have larger contact area, can fix the position of solar cell 4；Elastic membrane 9 is heaved for supporting solar-electricity
Pond 4, the elastic membrane 9 for coating water has certain soft readjustment ability, and the plate of solar cell 4 can be made to keep horizontal well
State；In addition, when solar cell 4 is pressed in elastic membrane 9, because Action of Gravity Field elastic membrane 9 deforms, increasing and solar cell
4 contact area, increasing friction force, solar cell 4 has the surface of smoother, it is more prone to absorption in elastic membrane
9 surface, increases adhesive force, improves stability；Because elastic membrane 9 has certain pliability, do not have to the surface of solar cell 4
There is damage.
Step 4：PLC master controller Vibration on Start-up device 7, by the vibration of vibrating device 7, vibrational energy is transmitted and is fed water
Water in groove 5, dynamic micro-adjustments are carried out by the vibration of water to the position of solar cell 4；Can be driven too by the vibration of water
The synchronous vibration of battery 4 of positive energy, is easy to horizontal adjustment；In addition, in vibration the surface of solar cell 4 and elastic membrane 9 contact surface
On bubble be expelled from coming, can further improve the adhesive force of solar cell 4, improve stability, it is not necessary to external reinforcement
To determine device just can fix solar cell 4, it is to avoid damage of the clamping device to solar cell 4.
Step 5：After the completion of adjustment, PLC master controllers first switch off the pump 10 and vibrating device 7, and then control starts the sun
Energy simulator 2 and detection means, test solar cell 4.
On the basis of the direction of gravity, the adjustment of light source direction, simple side are realized with the cooperation of the active water surface using weight 3
Just.During test, the light source that solar simulator 2 launches certain illumination is radiated on the surface of solar cell 4, it is produced electricity
Energy；Cell fixing device is used to install solar cell 4 and adjust it just to light source；Load resistance is connected on the periphery electricity of battery
Lu Shang, forms loop, and the output characteristics of solar cell 4 is changed by changing resistance sizes；Detection means include thermometer,
Data acquisition, record and display module, thermometer are used to measure the back surface temperature of solar cell 4, to reach standard testing
The requirement of condition；Data acquisition, record and display module can complete the output voltage of solar cell 4, output current and adopt
Collection and the characteristic displays of V-I etc..
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, related staff
Various changes and amendments can be carried out in without departing from the scope of the present invention completely.The technical scope of this invention is not
It is confined to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of solar cell properties test system, it is characterised in that：Including PLC master controllers, solar simulator, battery
Fixing device, load resistance and detection means, the solar simulator simulated solar launch parallel white light, the sun
Can simulator be suspended on support centrally through universal joint, and the axis of the universal joint simulates by the solar energy
The center of gravity of device, the circumferential uniform multiple weights for adjustment of the solar simulator, the weight is distributed in the sun
Energy simulator center of gravity is on the same circumference in the center of circle, the solar simulator is located at directly over the cell fixing device, institute
Stating cell fixing device includes Liftable base, and the Liftable base top is provided with supporting plate, and the supporting plate periphery is provided with
Annular water tank, the section configuration of the annular water tank is the trapezoidal of upper end open, and the opening end seal is provided with elastic membrane, the water
The bottom of groove is connected by pipeline with water pump, and the solar cell is placed in the elastic membrane, and is connected by load resistance
To detection means, the supporting plate inside the annular water tank is provided with vibrating device, the PLC master controllers and the solar energy
Simulator, detection means and vibrating device connection.
2. solar cell properties test system as claimed in claim 1, it is characterised in that：The edge of the tank opening with
The elastic membrane edge coils winding connection.
3. a kind of solar cell properties method of testing, it is characterised in that：Including solar-electricity as claimed in claim 1 or 2
Pond Performance Test System, it is further comprising the steps of：
Step 1：The position of solar simulator is adjusted by weight, makes solar simulator holding level under gravity,
And solar simulator Vertical Launch is gone out the white light parallel with gravity direction；
Step 2：The position of supporting plate is adjusted, tank is in basic horizontal state, PLC master controllers start water pump to be made in tank
Full of aqueous water, and heave elastic membrane, and elastic membrane is higher by the edge certain altitude of the tank；
Step 3：By sucking disc type mechanical hand, solar cell is adsorbed and is placed in elastic membrane, solar cell is pressed in bullet
Property film on, elastic membrane deformation makes solar cell and elastic membrane have larger contact area, can make solar cell position
It is fixed；
Step 4：PLC master controller Vibration on Start-up devices, by the vibration of vibrating device, vibrational energy are transmitted in feed trough
Water, dynamic micro-adjustments are carried out by the vibration of water to the position of solar cell；
Step 5：After the completion of adjustment, PLC master controllers first switch off the pump and vibrating device, and then control starts solar simulator
And detection means, solar cell is tested.
4. solar cell properties method of testing as claimed in claim 3, it is characterised in that：Also include solar cell position
Calibrating installation, and it is further comprising the steps of in step 3：Before solar cell is adsorbed by sucking disc type mechanical hand, first
The position of solar cell is calibrated using solar cell location calibration device, make the center of solar cell and inhale
The coordinate center superposition of disk-type mechanical hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153869.3A CN106712717B (en) | 2017-03-15 | 2017-03-15 | A kind of solar cell properties test system and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153869.3A CN106712717B (en) | 2017-03-15 | 2017-03-15 | A kind of solar cell properties test system and its test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106712717A true CN106712717A (en) | 2017-05-24 |
| CN106712717B CN106712717B (en) | 2018-05-08 |
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| CN201710153869.3A Active CN106712717B (en) | 2017-03-15 | 2017-03-15 | A kind of solar cell properties test system and its test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984312A (en) * | 2021-10-29 | 2022-01-28 | 中国第一汽车股份有限公司 | Safety control method and safety control system for battery vibration test |
| CN117155279A (en) * | 2023-09-12 | 2023-12-01 | 西南石油大学 | Performance test system of solar cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2023400A1 (en) * | 2006-05-01 | 2009-02-11 | Showa Shell Sekiyu Kabushiki Kaisha | Improved durability test method of cis based thin film solar cell module |
| CN102023235A (en) * | 2009-09-23 | 2011-04-20 | 台达电子工业股份有限公司 | Contrapuntal detection equipment and contrapuntal detection method of solar cell panel detection system |
| CN202837488U (en) * | 2012-09-29 | 2013-03-27 | 宁波华索光伏设备有限公司 | Optical path device of solar simulator |
| CN206506492U (en) * | 2017-03-15 | 2017-09-19 | 常州亿晶光电科技有限公司 | A kind of solar cell properties test system |
-
2017
- 2017-03-15 CN CN201710153869.3A patent/CN106712717B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2023400A1 (en) * | 2006-05-01 | 2009-02-11 | Showa Shell Sekiyu Kabushiki Kaisha | Improved durability test method of cis based thin film solar cell module |
| CN102023235A (en) * | 2009-09-23 | 2011-04-20 | 台达电子工业股份有限公司 | Contrapuntal detection equipment and contrapuntal detection method of solar cell panel detection system |
| CN202837488U (en) * | 2012-09-29 | 2013-03-27 | 宁波华索光伏设备有限公司 | Optical path device of solar simulator |
| CN206506492U (en) * | 2017-03-15 | 2017-09-19 | 常州亿晶光电科技有限公司 | A kind of solar cell properties test system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984312A (en) * | 2021-10-29 | 2022-01-28 | 中国第一汽车股份有限公司 | Safety control method and safety control system for battery vibration test |
| CN117155279A (en) * | 2023-09-12 | 2023-12-01 | 西南石油大学 | Performance test system of solar cell |
| CN117155279B (en) * | 2023-09-12 | 2024-03-08 | 西南石油大学 | Performance test system of solar cell |
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| Publication number | Publication date |
|---|---|
| CN106712717B (en) | 2018-05-08 |
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