CN106774552A - Photovoltaic module method of testing and control method - Google Patents
Photovoltaic module method of testing and control method Download PDFInfo
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- CN106774552A CN106774552A CN201611203310.9A CN201611203310A CN106774552A CN 106774552 A CN106774552 A CN 106774552A CN 201611203310 A CN201611203310 A CN 201611203310A CN 106774552 A CN106774552 A CN 106774552A
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- photovoltaic module
- temperature
- environmental cabinet
- delamination
- humidity
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000010998 test method Methods 0.000 title claims abstract description 19
- 230000032798 delamination Effects 0.000 claims abstract description 51
- 230000007613 environmental effect Effects 0.000 claims description 79
- 230000005587 bubbling Effects 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 9
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The present invention provides a kind of photovoltaic module method of testing and control method.For photovoltaic module is powered, the temperature of photovoltaic module local environment is lifted to preset temperature, lift the humidity of photovoltaic module local environment to default humidity, kept for a period of time；The quick temperature for reducing photovoltaic module local environment, is kept for a period of time after being reduced to room temperature.Therefore, it can accelerate the aging speed of photovoltaic module, so that whether the long-term influence that simulating natural environment is caused on photovoltaic module in the short period of time, is easy to observe the easy delamination of photovoltaic module.
Description
Technical field
The present invention relates to technical field of photovoltaic module test, in particular to a kind of photovoltaic module method of testing and control
Method processed.
Background technology
For solar power generation photovoltaic module out of doors long-term use when, can often produce delamination and cause generating work(
Rate decay, failure, influence using and promoting for solar cell module.Currently without the prediction specifically designed for photovoltaic module delamination
Method, can often produce the substandard product of easy delamination in enormous quantities.Therefore a kind of test photovoltaic module long-term use out of doors is needed badly
In whether can delamination method.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of photovoltaic module method of testing and control method, energy
Enough long-term influences caused on photovoltaic module in short period simulation outdoor environment, whether prediction photovoltaic module can delamination.
A kind of first aspect, there is provided photovoltaic module method of testing, is related to photovoltaic module, and method includes：For photovoltaic module is logical
Electricity, raises photovoltaic module local environment temperature, raises photovoltaic module local environment humidity；Treat photovoltaic module local environment temperature liter
Up to preset temperature, after local environment humidity is increased to default humidity, keeps the first preset duration；Stop as photovoltaic module is logical
Electricity, and quickly reduce photovoltaic module local environment temperature；After photovoltaic module local environment temperature is reduced to room temperature, second is kept
Preset duration；Photovoltaic module outward appearance is checked, if photovoltaic module has the phenomenons such as delamination, bubbling to produce, photovoltaic module meeting delamination, if
Photovoltaic module is produced without phenomenons such as delamination, bubblings, then photovoltaic module will not delamination.
In the present invention preferably implementation method, photovoltaic module outward appearance is checked, if photovoltaic module there are the phenomenons such as delamination, bubbling
Produce, then photovoltaic module can delamination, if photovoltaic module is produced without phenomenons such as delamination, bubblings, photovoltaic module will not before delamination,
Also include：Repeatedly perform as photovoltaic module is powered, raise photovoltaic module local environment temperature, raise ring residing for photovoltaic module
Border humidity to after photovoltaic module local environment temperature is reduced to room temperature, the step of keep the second preset duration；Judge what is repeated
Number of times, when number of times meets it is pre-conditioned when, perform check photovoltaic module outward appearance, if photovoltaic module have the phenomenons such as delamination, bubbling produce
It is raw, then photovoltaic module meeting delamination, if photovoltaic module is produced without phenomenons such as delamination, bubblings, photovoltaic module will not delamination.
In preferred embodiments of the present invention, photovoltaic module electrical current size be 1A~15A, preset temperature be 70 DEG C~
180 DEG C, it is 60%RH~95%RH to preset humidity.
In preferred embodiments of the present invention, the first preset duration be 10min~24h, the second preset duration be 10min~
24h。
A kind of second aspect, there is provided control method, is related to photovoltaic module, controller, dc source and environmental cabinet, controller
Coupled with dc source, controller is coupled with environmental cabinet, dc source is coupled with photovoltaic module, photovoltaic module is placed in environmental cabinet
Interior, method includes：Controller controls dc source to be powered for photovoltaic module, and controls environmental cabinet to raise temperature and humidity；Treat ring
Border the temperature inside the box reaches preset temperature, after humidity reaches default humidity in environmental cabinet, keeps the first preset duration；Controller is controlled
Dc source stops being powered for photovoltaic module, and controls environmental cabinet reduction temperature；After environment the temperature inside the box is reduced to room temperature, control
Device processed control environmental cabinet and dc source maintain the original state the second preset duration；It is light to repeat controller and control dc source
Volt assembly power supply, and control environmental cabinet to raise temperature and humidity to after environment the temperature inside the box is reduced to room temperature, controller is controlled
Environmental cabinet and dc source maintain the original state the second preset duration the step of, judge above-mentioned steps perform number of times.
In preferred embodiments of the present invention, the temperature range of controller control environmental cabinet includes 70 DEG C~180 DEG C, presets
Temperature is 70 DEG C~180 DEG C.
In preferred embodiments of the present invention, the humidity range of controller control environmental cabinet includes 60%RH~95%RH,
Default humidity is 60%RH~95%RH.
In preferred embodiments of the present invention, the current range of controller control dc source output includes 1~15A.
In preferred embodiments of the present invention, controller controls dc source to stop as photovoltaic module is powered, and control ring
Border case reduction temperature, cooling rate is at least 3 DEG C/min.
In preferred embodiments of the present invention, the first preset duration be 10min~24h, the second preset duration be 10min~
24h。
Compared to prior art, the present invention provides a kind of photovoltaic module method of testing and control method.For photovoltaic module is logical
Electricity, lifts the temperature of photovoltaic module local environment to preset temperature, lifts the humidity of photovoltaic module local environment to default humidity,
Kept for a period of time；The quick temperature for reducing photovoltaic module local environment, is kept for a period of time after being reduced to room temperature.Can be shorter
Time in the long-term influence that is caused on photovoltaic module of simulating natural environment, accelerate the aging speed of photovoltaic module, consequently facilitating
The observation whether easy delamination of photovoltaic module.
Other features and advantages of the present invention will illustrate in subsequent specification, also, partly become from specification
It is clear that or being understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by saying for being write
Specifically noted structure is realized and obtained in bright book, claims and accompanying drawing.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
A kind of flow chart of photovoltaic module method of testing that Fig. 1 is provided for first embodiment of the invention.
A kind of flow chart of photovoltaic module method of testing that Fig. 2 is provided for second embodiment of the invention.
The photovoltaic that the control method that Fig. 3 is second embodiment of the invention, 3rd embodiment, fourth embodiment are provided is related to
Attachment structure block diagram between component, controller, dc source and environmental cabinet.
Between Fig. 4 is second embodiment of the invention, 3rd embodiment, fourth embodiment are provided photovoltaic module and environmental cabinet
The structural representation of relative position relation.
The flow chart of the control method that Fig. 5 is second embodiment of the invention, 3rd embodiment, fourth embodiment are provided.
Icon：110- photovoltaic modulies；120- controllers；130- environmental cabinets；140- dc sources.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
Can arrange and design with a variety of configurations with the component of the embodiment of the present invention shown described in accompanying drawing herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Meanwhile, of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
First embodiment
Fig. 1 is referred to, a kind of photovoltaic module method of testing is present embodiments provided, is related to photovoltaic module, method includes：
S210：For photovoltaic module is powered, photovoltaic module local environment temperature is raised, raise photovoltaic module local environment wet
Degree.
Photovoltaic module should be coupled with dc source, and by switching control on/off.Electric current by photovoltaic module is 1
~15A.
S212：Treat that photovoltaic module local environment temperature is increased to preset temperature, local environment humidity is increased to default humidity
Afterwards, the first preset duration is kept.
Preset temperature be 70 DEG C~180 DEG C, preset humidity be 60%RH~95%RH, the first preset duration be 10min~
24h。
S214：Stop being powered for photovoltaic module, and quickly reduce photovoltaic module local environment temperature.
The reduction speed of photovoltaic module local environment temperature at least should be 3 DEG C/min.
S216：After photovoltaic module local environment temperature is reduced to room temperature, the second preset duration is kept.
After photovoltaic module local environment temperature is to be down to room temperature, cooling is not continued to, room temperature should be kept for a period of time.Room
Temperature should be less than 30 DEG C.Second preset duration should be 10min~24h.
S220：Photovoltaic module outward appearance is checked, if photovoltaic module there are the phenomenons such as delamination, bubbling to produce, photovoltaic module can take off
Layer, if photovoltaic module is produced without phenomenons such as delamination, bubblings, photovoltaic module will not delamination.
Generally speaking, a kind of photovoltaic module method of testing is present embodiments provided.This method is powered for photovoltaic module, and carries
The temperature and humidity of photovoltaic module local environment is risen, is kept for a period of time；The temperature of photovoltaic module local environment is quickly reduced afterwards
Until room temperature, and kept for a period of time.The aging speed of photovoltaic module can be accelerated, photovoltaic module is simulated in the short period of time
Whether institute is affected for a long time out of doors, consequently facilitating the detection easy delamination of photovoltaic module.
Second embodiment
Fig. 2 is referred to, a kind of photovoltaic module method of testing is present embodiments provided, is related to photovoltaic module, method includes：
S210：For photovoltaic module is powered, photovoltaic module local environment temperature is raised, raise photovoltaic module local environment wet
Degree.
Photovoltaic module should be coupled with dc source, and by switching control on/off.Electric current by photovoltaic module is 1
~15A.
S212：Treat that photovoltaic module local environment temperature is increased to preset temperature, local environment humidity is increased to default humidity
Afterwards, the first preset duration is kept.
Preset temperature be 70 DEG C~180 DEG C, preset humidity be 60%RH~95%RH, the first preset duration be 10min~
24h。
S214：Stop being powered for photovoltaic module, and quickly reduce photovoltaic module local environment temperature.
The reduction speed of photovoltaic module local environment temperature at least should be 3 DEG C/min.
S216：After photovoltaic module local environment temperature is reduced to room temperature, the second preset duration is kept.
After photovoltaic module local environment temperature is to be down to room temperature, cooling is not continued to, room temperature should be kept for a period of time.Room
Temperature should be less than 30 DEG C.Second preset duration should be 10min~24h.
S218：Judge the number of times for repeating.
Repeatedly perform as photovoltaic module is powered, raise photovoltaic module local environment temperature, raise residing for photovoltaic module
Ambient humidity to after photovoltaic module local environment temperature is reduced to room temperature, the step of keep the second preset duration.
Judge repeat number of times, when number of times meets it is pre-conditioned when, perform check photovoltaic module outward appearance, if photovoltaic module has
The phenomenons such as delamination, bubbling are produced, then photovoltaic module meeting delamination, if photovoltaic module is produced without phenomenons such as delamination, bubblings, photovoltaic group
Part will not delamination.
Pre-conditioned to refer to, the number of times for repeating is equal to the number of times for needing to perform altogether.The execution number of times for needing altogether is main
Preset temperature, default humidity, the first preset duration, the second preset duration, cooling rate, room temperature size, direct current during according to test
The factors such as size of current are determined.Such as when preset temperature is 85 DEG C, it is 85%RH to preset humidity, and the first preset duration is 10min,
Second preset duration is at least 10min, and cooling rate is 5 DEG C/min, and room temperature size is 25 DEG C, and DC current is 15A, should be performed
8 times；When preset temperature is 140 DEG C, it is 85%RH to preset humidity, and the first preset duration is 10min, and the second preset duration is at least
10min, cooling rate is more than 5 DEG C/min, and room temperature size is 20 DEG C, and DC current is 1A, should be performed 2 times；When preset temperature is
70 DEG C, it is 95%RH to preset humidity, and the first preset duration is 10min, and the second preset duration is at least 10min, and cooling rate is big
In 5 DEG C/min, room temperature size is 25 DEG C, and DC current is 9A, should be performed 20 times.
When test environment residing for photovoltaic module is different, required execution number of times is different, will not enumerate.
When the number of times for having performed is less than the number of times for being actually needed execution, then repeat step S210~S216 is answered, otherwise held
Row step S220.
S220：Photovoltaic module outward appearance is checked, if photovoltaic module there are the phenomenons such as delamination, bubbling to produce, photovoltaic module can take off
Layer, if photovoltaic module is produced without phenomenons such as delamination, bubblings, photovoltaic module will not delamination.
Generally speaking, a kind of photovoltaic module method of testing is present embodiments provided.This method is powered for photovoltaic module, and carries
The temperature and humidity of photovoltaic module local environment is risen, is kept for a period of time；The temperature of photovoltaic module local environment is quickly reduced afterwards
Until room temperature, and kept for a period of time.At least perform an above-mentioned steps, the aging speed of photovoltaic module can be accelerated, compared with
Institute is affected for a long time out of doors for simulation photovoltaic module in the short time, consequently facilitating whether detection photovoltaic module easily takes off
Layer.
3rd embodiment：
The present embodiment provides a kind of control method, for the method for testing of photovoltaic module 110 of first embodiment.
Fig. 3 and Fig. 4 is referred to, the control method is related to photovoltaic module 110, controller 120, environmental cabinet 130 and straight
Stream power supply 140.Photovoltaic module 110 and dc source 140 are coupled, and controller 120 is coupled with dc source 140, controller 120 with
Environmental cabinet 130 is coupled.Controller 120 can be ARM, single-chip microcomputer etc..Photovoltaic module 110 is located in environmental cabinet 130, environmental cabinet
130 chamber doors are closed.
Fig. 5 is referred to, control method includes：
S310：Controller 120 controls dc source 140 for photovoltaic module 110 is powered, and controls 130 liters of high temperature of environmental cabinet
Degree and humidity.
The size of current scope of dc source 140 is 1~15A, and the adjustable temperature range of control cabinet includes 70~180 DEG C,
Humidity adjustable extent includes 60%RH~95%RH.In the present embodiment, the power supply electricity of the control of controller 120 dc source 140
Stream size is 15A.
S312：Treat that temperature reaches preset temperature in environmental cabinet 130, after humidity reaches default humidity in environmental cabinet 130, keep
First preset duration.
The preset temperature of environmental cabinet 130 is 85 DEG C, and it is 85%RH to preset humidity, and the first preset duration should be not less than 10min,
The first preset duration is 10min in a kind of implementation method.
S314：Controller 120 controls dc source 140 to stop as photovoltaic module 110 is powered, and controls environmental cabinet 130 to drop
Low temperature.
The control reduction temperature of environmental cabinet 130 of controller 120, cooling rate is not less than 3 DEG C/min, is dropped in a kind of implementation method
Warm speed is 5 DEG C/min.During and after cooling, the humidity of environmental cabinet 130 can keep 85%RH, can also be raised and lowered.
S316：After temperature is reduced to room temperature in environmental cabinet 130, controller 120 control environmental cabinet 130 and dc source
140 maintain the original state the second preset duration.
Temperature should decrease below 30 DEG C in environmental cabinet 130, i.e., room temperature described here should be less than 30 DEG C, in a kind of embodiment party
In formula, temperature should be reduced to 25 DEG C in environmental cabinet 130.Second preset duration should be not less than 10min, and in one embodiment the
One preset duration is 10min.
S318：Judge that above-mentioned steps perform number of times.
8 step S310~S316 are performed altogether, and whether i.e. Observable photovoltaic module 110 has a delamination afterwards, bulge phenomenon, from
And be easy to judge the whether easy delamination of photovoltaic module 110.
If performing number of times to be less than 8 times, step S310~S316 is performed again, otherwise hold end step.
Generally speaking, a kind of control method is present embodiments provided.This method controller 120 control dc source 140 be
Photovoltaic module 110 is powered, and controls environmental cabinet 130 to lift the temperature and humidity of the local environment of photovoltaic module 110, when being kept for one section
Between；The control of controller 120 environmental cabinet 130 quickly reduces the temperature of the local environment of photovoltaic module 110 up to room temperature afterwards, and keeps one
The section time.Above-mentioned steps are performed a plurality of times, the aging speed of photovoltaic module 110 can be accelerated, photovoltaic is simulated in the short period of time
Whether institute is affected for a long time out of doors for component 110, so as to detect the easy delamination of photovoltaic module 110.
Fourth embodiment：
The present embodiment provides a kind of control method, for the method for testing of photovoltaic module 110 of first embodiment.
Fig. 3 and Fig. 4 is referred to, the control method is related to photovoltaic module 110, controller 120, environmental cabinet 130 and straight
Stream power supply 140.Photovoltaic module 110 and dc source 140 are coupled, and controller 120 is coupled with dc source 140, controller 120 with
Environmental cabinet 130 is coupled.Controller 120 can be ARM, single-chip microcomputer etc..Photovoltaic module 110 is located in environmental cabinet 130, original state
The chamber door of environmental cabinet 130 is closed.
Fig. 5 is referred to, control method includes：
S310：Controller 120 controls dc source 140 for photovoltaic module 110 is powered, and controls 130 liters of high temperature of environmental cabinet
Degree and humidity.
The size of current scope of dc source 140 is 1~15A, and the adjustable temperature range of control cabinet includes 70~180 DEG C,
Humidity adjustable extent includes 60%RH~95%RH.In the present embodiment, the power supply electricity of the control of controller 120 dc source 140
Stream size is 1A.
S312：Treat that temperature reaches preset temperature in environmental cabinet 130, after humidity reaches default humidity in environmental cabinet 130, keep
First preset duration.
The preset temperature of environmental cabinet 130 is 140 DEG C, and it is 85%RH to preset humidity, and the first preset duration should be not less than 10min,
The first preset duration is 10min in one embodiment.
S314：Controller 120 controls dc source 140 to stop as photovoltaic module 110 is powered, and controls environmental cabinet 130 to drop
Low temperature.
The control reduction temperature of environmental cabinet 130 of controller 120, cooling rate is not less than 3 DEG C/min, is dropped in a kind of implementation method
Warm speed is more than 5 DEG C/min.During and after cooling, the humidity of environmental cabinet 130 can keep 85%RH, can also be raised and lowered.This
Outward, in order to accelerate to reduce temperature, the chamber door of environmental cabinet 130 can be opened.
S316：After temperature is reduced to room temperature in environmental cabinet 130, controller 120 control environmental cabinet 130 and dc source
140 maintain the original state the second preset duration.
Temperature should decrease below 30 DEG C in environmental cabinet 130, i.e., room temperature described here should be less than 30 DEG C, in a kind of embodiment party
In formula, temperature should be reduced to 20 DEG C in environmental cabinet 130.Second preset duration should be not less than 10min, and in one embodiment the
Two preset durations are 10min.
S318：Judge that above-mentioned steps perform number of times.
2 step S310~S316 are performed altogether, and whether i.e. Observable photovoltaic module 110 has a delamination afterwards, bulge phenomenon, from
And be easy to judge the whether easy delamination of photovoltaic module 110.
If performing number of times to be less than 2 times, step S310~S316, otherwise end step is performed again.
Generally speaking, a kind of control method is present embodiments provided.This method controller 120 control dc source 140 be
Photovoltaic module 110 is powered, and controls environmental cabinet 130 to lift the temperature and humidity of the local environment of photovoltaic module 110, when being kept for one section
Between；The control of controller 120 environmental cabinet 130 quickly reduces the temperature of the local environment of photovoltaic module 110 up to room temperature afterwards, and keeps one
The section time.Above-mentioned steps are performed a plurality of times, the aging speed of photovoltaic module 110 can be accelerated, photovoltaic is simulated in the short period of time
Whether institute is affected for a long time out of doors for component 110, so as to detect the easy delamination of photovoltaic module 110.
5th embodiment：
The present embodiment provides a kind of control method, for the method for testing of photovoltaic module 110 of first embodiment.
Fig. 3 and Fig. 4 is referred to, the control method is related to photovoltaic module 110, controller 120, environmental cabinet 130 and straight
Stream power supply 140.Photovoltaic module 110 and dc source 140 are coupled, and controller 120 is coupled with dc source 140, controller 120 with
Environmental cabinet 130 is coupled.Controller 120 can be ARM, single-chip microcomputer etc..Photovoltaic module 110 is located in environmental cabinet 130, original state
The chamber door of environmental cabinet 130 is closed.
Fig. 5 is referred to, control method includes：
S310：Controller 120 controls dc source 140 for photovoltaic module 110 is powered, and controls 130 liters of high temperature of environmental cabinet
Degree and humidity.
The size of current scope of dc source 140 is 1~15A, and the adjustable temperature range of control cabinet includes 70~180 DEG C,
Humidity adjustable extent includes 60%RH~95%RH.In the present embodiment, the power supply electricity of the control of controller 120 dc source 140
Stream size is 9A.
S312：Treat that temperature reaches preset temperature in environmental cabinet 130, after humidity reaches default humidity in environmental cabinet 130, keep
First preset duration.
The preset temperature of environmental cabinet 130 is 70 DEG C, and it is 95%RH to preset humidity, and the first preset duration should be not less than 10min,
The first preset duration is 10min in a kind of implementation method.
S314：Controller 120 controls dc source 140 to stop as photovoltaic module 110 is powered, and controls environmental cabinet 130 to drop
Low temperature.
The control reduction temperature of environmental cabinet 130 of controller 120, cooling rate is not less than 3 DEG C/min, is dropped in a kind of implementation method
Warm speed is 5 DEG C/min.During and after cooling, the humidity of environmental cabinet 130 can keep 95%RH, can also be raised and lowered.To add
Fast temperature reducing rate, can open the chamber door of environmental cabinet 130, and utilize air-conditioning temperature-reducing.
S316：After temperature is reduced to room temperature in environmental cabinet 130, controller 120 control environmental cabinet 130 and dc source
140 maintain the original state the second preset duration.
Temperature should decrease below 30 DEG C in environmental cabinet 130, i.e., room temperature described here should be less than 30 DEG C, in a kind of embodiment party
In formula, temperature should be reduced to 25 DEG C in environmental cabinet 130.Second preset duration should be not less than 10min, and in one embodiment the
One preset duration is 10min.
S318：Judge that above-mentioned steps perform number of times.
20 step S310~S316 are performed altogether, and whether i.e. Observable photovoltaic module 110 has a delamination afterwards, bulge phenomenon,
Consequently facilitating judging the whether easy delamination of photovoltaic module 110.
If performing number of times to be less than 20 times, step S310~S316, otherwise end step is performed again.
Generally speaking, a kind of control method is present embodiments provided.This method controller 120 control dc source 140 be
Photovoltaic module 110 is powered, and controls environmental cabinet 130 to lift the temperature and humidity of the local environment of photovoltaic module 110, when being kept for one section
Between；The control of controller 120 environmental cabinet 130 quickly reduces the temperature of the local environment of photovoltaic module 110 up to room temperature afterwards, and keeps one
The section time.Above-mentioned steps are performed a plurality of times, the aging speed of photovoltaic module 110 can be accelerated, photovoltaic is simulated in the short period of time
Whether institute is affected for a long time out of doors for component 110, so as to detect the easy delamination of photovoltaic module 110.
In sum, the present invention provides a kind of photovoltaic module method of testing and control method.For photovoltaic module is powered, lifting
The temperature of photovoltaic module local environment lifts the humidity of photovoltaic module local environment to default humidity to preset temperature, keeps one
The section time；The quick temperature for reducing photovoltaic module local environment, is kept for a period of time after being reduced to room temperature.Photovoltaic group can be accelerated
The aging speed of part, the long-term influence that simulating natural environment is caused on photovoltaic module in the short period of time, consequently facilitating observation
Its whether easy delamination.
In several embodiments provided herein, it should be understood that disclosed method and the equipment being related to,
Can realize by another way.Embodiments described above is only schematical, for example, flow chart in accompanying drawing and
Block diagram show the equipment that the method and method of multiple embodiments of the invention are related to architectural framework in the cards,
Function and operation.It should also be noted that in some are as the implementation replaced, the function of being marked in square frame can also be with not
The order for being same as being marked in accompanying drawing occurs.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Claims (10)
1. a kind of photovoltaic module method of testing, it is characterised in that be related to photovoltaic module, methods described includes：
For the photovoltaic module is powered, the photovoltaic module local environment temperature is raised, raise the photovoltaic module local environment
Humidity；
Treat that the photovoltaic module local environment temperature is increased to preset temperature, after local environment humidity is increased to default humidity, protect
Hold the first preset duration；
Stop being powered for the photovoltaic module, and quickly reduce the photovoltaic module local environment temperature；
After the photovoltaic module local environment temperature is reduced to room temperature, the second preset duration is kept；
The photovoltaic module outward appearance is checked, if the photovoltaic module has the phenomenons such as delamination, bubbling to produce, the photovoltaic module meeting
Delamination, if the photovoltaic module is produced without phenomenons such as delamination, bubblings, the photovoltaic module will not delamination.
2. photovoltaic module method of testing according to claim 1, it is characterised in that outside the inspection photovoltaic module
See, if the photovoltaic module has the phenomenons such as delamination, bubbling to produce, the photovoltaic module can delamination, if the photovoltaic module without
The phenomenons such as delamination, bubbling are produced, then the photovoltaic module will not also include before delamination：
It is photovoltaic module energization repeatedly to perform described, raises the photovoltaic module local environment temperature, is raised described
Photovoltaic module local environment humidity after the photovoltaic module local environment temperature is reduced to room temperature, keeps second to preset to described
The step of duration；
Judge the number of times of the repetition, when the number of times meets pre-conditioned, perform the inspection photovoltaic module outward appearance,
If the photovoltaic module has the phenomenons such as delamination, bubbling to produce, the photovoltaic module meeting delamination, if the photovoltaic module is without de-
The phenomenons such as layer, bubbling are produced, then the photovoltaic module will not delamination.
3. photovoltaic module method of testing according to claim 2, it is characterised in that the photovoltaic module electrical current size
It is 1A~15A, the preset temperature is 70 DEG C~180 DEG C, the default humidity is 60%RH~95%RH.
4. photovoltaic module method of testing according to claim 3, it is characterised in that first preset duration is 10min
~24h, second preset duration is 10min~24h.
5. a kind of control method, for photovoltaic module method of testing described in claim 1, it is characterised in that further relate to control
Device, dc source and environmental cabinet, the controller are coupled with the dc source, and the controller is coupled with the environmental cabinet,
The dc source is coupled with the photovoltaic module, and the photovoltaic module is placed in the environmental cabinet, and methods described includes：
The controller controls the dc source to be powered for the photovoltaic module, and controls the environmental cabinet to rise high-temperature and wet
Degree；
Treat that described environment the temperature inside the box reaches preset temperature, after humidity reaches default humidity in the environmental cabinet, holding first is pre-
If duration；
The controller controls the dc source to stop as the photovoltaic module is powered, and controls the environmental cabinet reduction temperature
Degree；
After described environment the temperature inside the box is reduced to room temperature, the controller controls the environmental cabinet and the dc source to keep
The preset duration of original state second；
Repeating the controller controls the dc source to be powered for the photovoltaic module, and controls the environmental cabinet to raise
To described after described environment the temperature inside the box is reduced to room temperature, the controller controls the environmental cabinet and described to temperature and humidity
Dc source maintain the original state the second preset duration the step of, judge above-mentioned steps perform number of times.
6. control method according to claim 5, it is characterised in that the controller controls the temperature model of the environmental cabinet
Enclose including 70 DEG C~180 DEG C, the preset temperature is 70 DEG C~180 DEG C.
7. control method according to claim 6, it is characterised in that the controller controls the humidity model of the environmental cabinet
Enclose including 60%RH~95%RH, the default humidity is 60%RH~95%RH.
8. control method according to claim 7, it is characterised in that the controller controls the dc source output
Current range includes 1~15A.
9. control method according to claim 8, it is characterised in that the controller control the dc source stop be
The photovoltaic module is powered, and controls the environmental cabinet reduction temperature, cooling rate to be at least 3 DEG C/min.
10. control method according to claim 9, it is characterised in that first preset duration is 10min~24h, institute
The second preset duration is stated for 10min~24h.
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