CN107276532A - A kind of flexible solar battery resist bending performance detector and detection method - Google Patents
A kind of flexible solar battery resist bending performance detector and detection method Download PDFInfo
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- CN107276532A CN107276532A CN201710600087.XA CN201710600087A CN107276532A CN 107276532 A CN107276532 A CN 107276532A CN 201710600087 A CN201710600087 A CN 201710600087A CN 107276532 A CN107276532 A CN 107276532A
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- 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
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- 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
Abstract
A kind of flexible solar battery resist bending performance detector and detection method.Solve existing flexible solar battery resistance to bend(ing) detection and there is troublesome poeration, detect unreliable, the problem of efficiency is low.It includes base, the first platform and the second platform, described base is provided with actuator, described actuator is connected with the first platform, the second platform respectively by transmission mechanism, described transmission mechanism includes the screw mandrel being connected with actuator, described screw mandrel is provided with driving member, described driving member is connected with the first platform, the second platform provided with many connecting rods, described connecting rod and drives the first platform, the second platform mutually to rotate respectively.Described detection method converts detecting system, bending motion characteristic control system, online situ detection system and detection means by photoelectric efficiency and coordinates realization.The present invention also has simple in construction, easy to operate a, reliable in action, service life length, the advantages of floor space is small.
Description
Technical field
The present invention relates to a kind of detecting system, and in particular to a kind of flexible solar battery resist bending performance detector and inspection
Survey method.
Background technology
Flexible solar battery is typically referred in flexible material（Stainless steel, polymer etc.）The bendable film of upper making is too
Positive energy battery.Traditional crystal silicon solar batteries occupy the market mainstream, but because its weight is big, inflexibility and installation are transported
Defeated inconvenience limits application field；And flexible solar battery then overcomes above deficiency, with lightweight, thickness of thin, transport
The advantage such as convenient, while having higher flexible ability, can be installed and used in road, skin etc..
Flexible solar battery is generally deposited in the way of curling, in use also often in case of bending.So
And, flexible solar battery can influence the photoelectric properties of flexible battery when occurring wide-angle bending even curling torsion, repeat
Bending distortion can also significantly affect the service life of flexible solar battery.
For flexible solar battery, influence of the bending condition to photoelectric conversion performance is flexible solar battery product matter
One of key factor of amount and reliability.At present, it is only a small amount of that resistance to bend(ing) test directly is carried out to flexible solar battery
Research report, as a result shows the growth with number of bends and angle, cell photoelectric performance is remarkably decreased.But whole test process
All complete to position by manual operations, it is impossible to control accuracy；And carry out repeated flex circulation, this mistake manually in testing
Journey can not both ensure repetitive positioning accuracy, also greatly consume time and muscle power.
Due to lacking easy-operating resistance to bend(ing) test equipment in correlative study both domestic and external, tested using manual off-line
Method, indicates the necessity of resistance to bend(ing) in situ detection instrument development.
The content of the invention
To solve existing temporarily no flexible solar battery resistance to bend(ing) energy on-line detecting system in background technology, and it is soft
Property solar cell resistance to bend(ing) can detection there is troublesome poeration, detect unreliable, the problem of efficiency is low, the present invention provides one
Plant flexible solar battery resist bending performance detector and detection method.
The technical scheme is that：A kind of flexible solar battery resist bending performance detector, including photoelectric efficiency turn
Change detecting system, bending motion characteristic control system, online situ detection system and detection means, described detection means includes
Base, the first platform and the second platform, described the first platform and the second platform are hinged cooperation, and described base is provided with
Actuator, described actuator is located at the lower section of the first platform and the second platform, and described actuator is distinguished by transmission mechanism
It is connected with the first platform, the second platform, described transmission mechanism is included on the screw mandrel being connected with actuator, described screw mandrel
Provided with driving member, described driving member slides with screw mandrel in the vertical direction to be coordinated, and described driving member is provided with many connecting rods,
Described connecting rod is connected with the first platform, the second platform and drives the first platform, the second platform mutually to rotate respectively, described
First platform, the second platform, which have to cooperate to be horizontal, is easy to the first state for laying thing to be detected and mutual bending
Second state.
The first described platform is provided with the first support bridge, and described the second platform is provided with the be adapted with the first support bridge
Two support bridges, the first described support bridge is located at the first platform on one end of the second platform, and the second described support bridge is located at second
Platform is on one end of the first platform.
The first described platform raises up to form the first described support bridge, and the first described support bridge is provided with the first inclined-plane
With the second inclined-plane.
Described the first platform, the second platform are provided with multiple passages.
Described base is provided with two guide rails be arrangeding in parallel, and described driving member is affixed with guide rail merges straight with guide rail
Line sliding coordinates, and the side of the first described platform is provided with first baffle, and the side of the second described platform is provided with second
Baffle plate, described guide rail is provided with hinging pin shaft, described first baffle and second baffle be sheathed on hinging pin shaft it is outer and with
Hinging pin shaft is rotatably assorted.
Described driving member is provided with lug, and described rod hinge connection is on lug, and described the first platform and second is flat
Platform is engaged to form angle a, and described angle a is more than or equal to 45 degree less than or equal to 180 degree.
A kind of detection method of flexible solar battery resistance to bend(ing) energy, using the above-mentioned detector of power, its detecting step bag
Include：1. in angle of bend scope between 0 ~ 180 °, each 5 ° are once tested, and calculate analysis angle of bend to it is flexible too
The influence of positive energy cell photoelectric performance；2. when angle of bend isWhen, capture area, whereinFor the sun
The energy battery gross area, by adjusting the structure of detector and the angle of incident light, it is ensured that the light source moment keeps when battery is bent
Direct projection, now simplifying formula is=cos(θ/2)；3. standard solar cells are used, turning when testing differently curved angle
Change efficiency, calculated value is contrasted by experimental data, by adding correction factorFIncidence angle and intensity of illumination relation are changed,
And obtain=Fcos(θ/2)。
Cell photoelectric transformation efficiency passes through formulaObtain, wherein special by the I-V for testing battery
Linearity curve, draws battery peak power output；Take etalon optical power= 100mW/cm²；For the solar cell gross area.
A kind of detection method of flexible solar battery fatigue life, using above-mentioned detector, its detecting step includes:①
Angle of bend can be set in detection means, realizes automatic bending and the recovery of flexible solar battery, the repeatable circulation of this process
Carry out；2. during bend cycles, online situ detection system gathers output voltage values, until battery performance is decreased obviously；③
Different angle of bend are set every time, angle of bend-number of bends relation of battery is obtained, and generate regression curve, that is, are obtained
The flexible life curve of flexible solar battery；4. the data repeatedly measured are analyzed, the bending of cell performance decay is set
Angle and number of times critical value, set up battery resistance to bend(ing) critical value database, so as to set up cell performance decay data model.
Under differently curved angle conditions, setting often bends N0The I-V characteristic of solar cell of secondary test, draws electricity
Pond peak power output；Take etalon optical power= 100mW/cm²；；Cell photoelectric transformation efficiency is drawn by formula, whereinFor the solar cell gross area, transformation efficiency is drawn with curved according to the transformation efficiency of battery
The attenuation curve of bent number of times, and judge when the not enough minimum setting value of transformation efficiency, then to assert that battery performance is decreased obviously, battery
Failure；Determine under different angles, the number of bends limit of solar cell, can final output solar cell the flexural fatigue longevity
Life, service life of the prediction flexible solar battery under different operating environment.
The beneficial effects of the invention are as follows just can reliably drive the first platform and the second platform mutual by an actuator
Rotate, actuator is located at the lower section of platform, and carries out top pull to platform by connecting rod so that the first platform and the second platform are reliable
Synchronous axial system, driving member is vertically movable, and the direction of motion of driving member is different from the rotation direction of platform, in real process not
Interference can be produced, the rotation of platform is influenceed, and actuator and driving member are easy to the peace of other detection devices below platform
Dress, observation, control, can meet the number of bends and angle needed for detecting.
Brief description of the drawings
Accompanying drawing 1 is the structure principle chart of the embodiment of the present invention.
Knot when accompanying drawing 2 is the first platform in detection means of the embodiment of the present invention, the second platform is in first state
Structure schematic diagram.
Structure when accompanying drawing 3 is the first platform in detection means of the embodiment of the present invention, the second platform is in the second state
Schematic diagram.
Accompanying drawing 4 is the structural representation of the other direction of accompanying drawing 3.
Angle and the relation table of actuator that accompanying drawing 5 is formed for first and second platform in the present invention.
In figure, 1, base；2nd, the first platform；21st, the first pressing plate；211st, through hole；22nd, the first support bridge；221st, the first inclined-plane；
222nd, the second inclined-plane；23rd, first baffle；3rd, the second platform；31st, the second pressing plate；32nd, the second support bridge；33rd, second baffle；4th, drive
Moving part；5th, transmission mechanism；51st, screw mandrel；52nd, driving member；521st, lug；53rd, connecting rod；6th, passage；7th, guide rail；71st, swivel pin
Axle.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with the accompanying drawings：
As shown in Fig. 1 combinations Fig. 2-5, a kind of flexible solar battery resist bending performance detector, including photoelectric efficiency conversion inspection
Examining system, bending motion characteristic control system, online situ detection system and detection means, described detection means include base
1st, the first platform 2 and the second platform 3, described the first platform 2 and the second platform 3 are hinged cooperation, are set on described base 1
There is actuator 4, described actuator 4 is located at the lower section of the first platform 2 and the second platform 3, and described actuator 4 passes through driver
Structure 5 is connected with the first platform 2, the second platform 3 respectively, and described transmission mechanism 5 includes the screw mandrel being connected with actuator 4
51, described screw mandrel 51 is provided with driving member 52, and described driving member 52 slides with the in the vertical direction of screw mandrel 51 to be coordinated, described
Driving member 52 provided with many connecting rods 53, described connecting rod 53 is connected and driven with the first platform 2, the second platform 3 respectively
First platform 2, the second platform 3 are mutually rotated, and there is mutual cooperation to be horizontal just for described the first platform 2, the second platform 3
In the first state and the second state of mutual bending of laying thing to be detected.The present invention just can reliably be driven by an actuator
Dynamic first platform and the second platform are mutually rotated, and actuator is located at the lower section of platform, and carries out top pull to platform by connecting rod, makes
The first platform and the reliable synchronous axial system of the second platform are obtained, driving member is vertically movable, the direction of motion of driving member and turning for platform
Dynamic direction is different, and interference will not be produced in real process, influences the rotation of platform, and actuator and driving member are located at platform
Lower section, is easy to the installation, observation, control of other detection devices, can meet the number of bends and angle needed for detecting.To flexible electrical
Performance change is constantly monitored when bending load is born in pond, is easy to the subjective quick judgement of staff, is realized to the flexible sun
The assessment that the resistance to bend(ing) of energy battery can be quantified, realizes that efficient, inexpensive resistance to bend(ing) is detected, the application of lifting photovoltaic industry can
By property.Present invention can apply to the performance detection of photovoltaic industry flexible solar battery and quality surveillance, meet photovoltaic enterprise
Demand, and achievement in research is with a wide range of applications, it is significant to the development that promotes photovoltaic industry.The present invention also has
Have simple in construction, easy to operate, reliable in action, service life length, the advantages of floor space is small.The present invention also has structure letter
It is single, easy to operate, reliable in action, service life length, the advantages of floor space is small.
The first described platform 2 is provided with the first pressing plate 21 for being used for being pressed in thing to be detected on first platform 2, described
Second platform 3 is provided with the second pressing plate 31 for being used for being pressed in thing to be detected on second platform 3.The setting of pressing plate prevents to be detected
Thing edge is tilted, and influences experimental precision.
The first described pressing plate 21 is hinged on the first platform 2, and the first described pressing plate 21, which is provided with, is easy to the first pressing plate 21
The through hole 211 rotated relative to the first platform 2.The setting of through hole is easy to staff's finger or instrument to insert rotation pressing plate, simultaneously
Thing edge to be detected can be pressed in, the tilting of its edge is placed on, the setting of through hole reduces the contact area of pressing plate and thing to be detected, kept away
Exempt to damage thing to be detected.Specifically, the structure of the second pressing plate and the structure of the first pressing plate are same or like, so that pressure
Plate production, processing, assembling etc. are more convenient, and production efficiency is high.
The first described pressing plate 21 has two, and the second described pressing plate 31 has two, and two the first pressing plates 21 are located at first
On the one end of platform 2 away from the second platform 3, two the second pressing plates 31 are on the one end of the second platform 3 away from the first platform 2.
The corner of pressing plate can be arranged on the corner of platform by such structure, so as to avoid thing edge to be detected in work from ingeniously rising.
The first described platform 2 is provided with the first support bridge 22, and the second described platform 3 is provided with mutually fits with the first support bridge 22
The the second support bridge 32 matched somebody with somebody, the first described support bridge 22 is located at the first platform 2 on one end of the second platform 3, and described second
Support bridge 32 and be located at the second platform 3 on one end of the first platform 2.The setting of support bridge can prevent thing to be detected in BENDING PROCESS
Intersection is sharpened, it is ensured that material is not destroyed, so that Product checking is reliable.Specifically, the first described platform 2
Raise up to form the first described support bridge 22, the first described support bridge 22 is provided with the first inclined-plane 221 and the second inclined-plane 222.
In particular, the structure and the structure of the first support bridge of the second described support bridge are same or like, so that the production of support bridge,
Processing, assembling etc. are more convenient, and production efficiency is high, it is to avoid spillage of material.
Described the first platform 2, the second platform 3 are provided with multiple passages 6.The setting of passage is to material medium position
Suction is produced, material is close to platform, the precision of experiment is improved.
Described base 1 is provided with two guide rails 7 for be arrangeding in parallel, described driving member 52 be affixed with guide rail 7 merge and
The sliding of the straight line of guide rail 7 coordinates.The setting of guide rail can ensure the reliable steady sliding up and down of driving member, so as to reliably pass through connecting rod
Drive first and second platform synchronous axial system.Certainly a platform rotation can also only be made in practical work process.
The side of the first described platform 2 is provided with first baffle 23, and the side of the second described platform 3 is provided with second
Baffle plate 33, described guide rail 7 is provided with hinging pin shaft 71, and described first baffle 23 and second baffle 33 is sheathed on swivel pin
Axle 71 is outer and is rotatably assorted with hinging pin shaft 71.The both sides of each platform, which are equipped with baffle plate, i.e. baffle plate, to form spacing with platform
Groove, material to be detected is put into stopper slot, and baffle plate can carry out Horizontal limiting to it.Certainly in practical work process, pressing plate
The jointed shaft at place can treat the Horizontal limiting of detection material with baffle fit formation.
Described driving member 52 is provided with lug 521, and described connecting rod 53 is articulated with lug 521, and described first is flat
Platform 2 is engaged to form angle a with the second platform 3, and described angle a is more than or equal to 45 degree less than or equal to 180 degree.The setting of lug
It is easy to the installation of connecting rod to fix, and link rotatable is reliable.
In accompanying drawing 4, all numerical value wherein in table are vector value, all vector using angle a equal to 180 degree as
" 0 " scale, is negative downwards, upwards for just.Such as：Negative value in table in " difference " represents the distance of vertical downward movement, for example：Folder
- 82.18 expression actuators that angle a is equal in 90 degree move down 82.18 millimeters from 0 scale, and motor rotates down 41.09 circles.
The invention particularly discloses the relation moved in actuator between the angle a of platform formation, so that product can be more accurate
Control thing to be detected bending so that Product Precision is high.
A kind of detection method of flexible solar battery resistance to bend(ing) energy, using the above-mentioned detector of power, its detecting step bag
Include：1. in angle of bend scope between 0 ~ 180 °, each 5 ° are once tested, and calculate analysis angle of bend to it is flexible too
The influence of positive energy cell photoelectric performance；2. when angle of bend isWhen, capture area, whereinFor the sun
The energy battery gross area, by adjusting the structure of detector and the angle of incident light, it is ensured that the light source moment keeps when battery is bent
Direct projection, now simplifying formula is=cos(θ/2)；3. standard solar cells are used, turning when testing differently curved angle
Change efficiency, calculated value is contrasted by experimental data, by adding correction factorFIncidence angle and intensity of illumination relation are changed,
And obtain=Fcos(θ/2)。
The cell photoelectric transformation efficiency of the present invention passes through formulaObtain, wherein by testing electricity
The I-V characteristic curve in pond, draws battery peak power output；Take etalon optical power= 100mW/cm²；For solar-electricity
The pond gross area.Etalon optical power refers at i.e. AM1.5 conditions, 25 DEG C that AM is that Air Mass refer to that solar energy passes through atmosphere
Optical path, outside Earth'S atmosphere, the quality of air is 0, that is, is defined as AM0, when sunshine and ground into it is vertical when
For 1, be defined as AM1.0, AM1.5 namely refer to zenith angle for 48 degree when sunshine, 100mW/cm2 refers to ground unit area
The solar energy energy received, 25 DEG C refer to solar panel temperature.When the temperature rise of solar panel, meeting
Produce certain power and reduce phenomenon.To assess photoelectric properties parameter during flexible solar battery bending, made using halogen tungsten lamp
For simulated solar radiant, detecting system is converted by the photoelectric efficiency being connected with solar cell and measures the sun under case of bending
The photoelectric conversion of solar cell is imitated under the output voltage of energy battery, the differently curved angle of real-time monitored or after repeatedly bending
Rate, the home position observation of solar cell surface pattern is realized using microscope.It is flat by means of real-time data acquisition and analysis software
Platform, carries out Data Processing in Experiment and analysis, sets up quantifying for flexible solar battery angle of bend, number of repetition and battery performance
Relation mathematic model, assesses the reliability and service life of flexible solar battery quality.By means of micro- sem observation, real-time number
According to collection and analysis software platform, realize that test result carries out visual presentation.
A kind of detection method of flexible solar battery fatigue life, using above-mentioned detector, its detecting step includes:
1. angle of bend is can be set in detection means, realizes automatic bending and the recovery of flexible solar battery, and this process is repeatable to be followed
Ring is carried out；2. during bend cycles, online situ detection system gathers output voltage values, until battery performance is decreased obviously；
3. different angle of bend are set every time, angle of bend-number of bends relation of battery is obtained, and generates regression curve, is produced
To the flexible life curve of flexible solar battery；4. the data repeatedly measured are analyzed, the curved of cell performance decay is set
Bent angle and number of times critical value, set up battery resistance to bend(ing) critical value database, so as to set up cell performance decay data model.
Under differently curved angle conditions, setting often bends N0The I-V characteristic of solar cell of secondary test, draws electricity
Pond peak power output；Take etalon optical power= 100mW/cm²；Cell photoelectric transformation efficiency is drawn by formula, whereinFor the solar cell gross area, transformation efficiency is drawn with curved according to the transformation efficiency of battery
The attenuation curve of bent number of times, and judge when the not enough minimum setting value of transformation efficiency, then to assert that battery performance is decreased obviously, battery
Failure；Determine under different angles, the number of bends limit of solar cell, can final output solar cell the flexural fatigue longevity
Life, service life of the prediction flexible solar battery under different operating environment.Flexible solar battery resistance to bend(ing) energy is tested,
The flexible number of times of battery is an important indicator.There is certain quantitative relationship in the flexible number of times of material, soft with angle of bend
Property solar cell can bear the fatigue life of the number of bends of special angle, i.e. battery.
This detection method can be used for the photoelectric efficiency and flexible life of online in situ detection flexible solar battery, can
Judge the photoelectric efficiency under differently curved angle conditions, multiple photoelectric efficiency attenuation after bending draws the flexible sun
Can battery flexible life, contrast the manual off-line method that uses at present, the method can intuitively, form a prompt judgement flexibility too
The resistance to bend(ing) energy of positive energy battery, improves precision and convenience, in actual applications with higher operability.
Every technical staff's notice：Although the present invention is described according to above-mentioned embodiment, of the invention
Invention thought be not limited to that invention, the repacking of any utilization inventive concept will all include this patent protection of the patent right
In the range of.
Claims (10)
1. a kind of flexible solar battery resist bending performance detector, it is characterised in that：Including photoelectric efficiency conversion detecting system,
Bending motion characteristic control system, online situ detection system and detection means, described detection means include base（1）,
One platform（2）With the second platform（3）, described the first platform（2）With the second platform（3）Be hinged cooperation, described base
（1）It is provided with actuator（4）, described actuator（4）Located at the first platform（2）With the second platform（3）Lower section, described drive
Moving part（4）Pass through transmission mechanism（5）Respectively with the first platform（2）, the second platform（3）It is connected, described transmission mechanism（5）Bag
Include and actuator（4）The screw mandrel being connected（51）, described screw mandrel（51）It is provided with driving member（52）, described driving member（52）
With screw mandrel（51）In the vertical direction sliding coordinates, described driving member（52）Provided with many connecting rods（53）, described connecting rod
（53）Respectively with the first platform（2）, the second platform（3）It is connected and drives the first platform（2）, the second platform（3）Mutually rotate,
The first described platform（2）, the second platform（3）It is easy to the first state for laying thing to be detected with cooperating to be horizontal
With the second state of mutual bending.
2. a kind of flexible solar battery resist bending performance detector according to claim 1, it is characterised in that described
First platform（2）Provided with the first support bridge（22）, described the second platform（3）It is provided with and the first support bridge（22）Be adapted
Two support bridges（32）, described first support bridge（22）Located at the first platform（2）Close to the second platform（3）One end on, described
Two support bridges（32）Located at the second platform（3）Close to the first platform（2）One end on.
3. a kind of flexible solar battery resist bending performance detector according to claim 2, it is characterised in that described
First platform（2）Raise up to form the first described support bridge（22）, described first support bridge（22）It is provided with the first inclined-plane
（221）With the second inclined-plane（222）.
4. a kind of flexible solar battery resist bending performance detector according to claim 1, it is characterised in that described
First platform（2）, the second platform（3）It is provided with multiple passages（6）.
5. a kind of flexible solar battery resist bending performance detector according to claim 1, it is characterised in that described
Base（1）Provided with two guide rails be arrangeding in parallel（7）, described driving member（52）With guide rail（7）It is affixed merging and guide rail（7）
Straight line sliding coordinates, the first described platform（2）Side be provided with first baffle（23）, described the second platform（3）Side
Side is provided with second baffle（33）, described guide rail（7）It is provided with hinging pin shaft（71）, described first baffle（23）With second
Baffle plate（33）It is sheathed on hinging pin shaft（71）Outer and and hinging pin shaft（71）It is rotatably assorted.
6. a kind of flexible solar battery resist bending performance detector according to claim 1, it is characterised in that described
Driving member（52）It is provided with lug（521）, described connecting rod（53）It is articulated with lug（521）On, the first described platform（2）With
Second platform（3）It is engaged to form angle a, described angle a is more than or equal to 45 degree less than or equal to 180 degree.
7. a kind of detection method of flexible solar battery resistance to bend(ing) energy, it is characterised in that：Appoint using in claim 1-6
A kind of flexible solar battery resist bending performance detector described in meaning one, its detecting step includes：1. in angle of bend model
It is trapped among between 0 ~ 180 °, each 5 ° are once tested, and calculates analysis angle of bend to flexible solar battery photoelectric properties
Influence；2. when angle of bend isWhen, capture area, whereinFor the solar cell gross area, lead to
Overregulate the structure of detector and the angle of incident light, it is ensured that the light source moment keeps direct projection when battery is bent, now simplify public
Formula is=cos(θ/2)；3. standard solar cells are used, transformation efficiency during differently curved angle is tested, pass through experiment
Data comparison calculated value, by adding correction factorFIncidence angle and intensity of illumination relation are changed, and is obtained=Fcos
(θ/2)。
8. a kind of detection method of flexible solar battery resistance to bend(ing) energy according to claim 7, it is characterised in that electricity
Pond electricity conversion passes through formulaObtain, wherein the I-V characteristic curve by testing battery, is obtained
Go out battery peak power output；Take etalon optical power= 100mW/cm²；For the solar cell gross area.
9. a kind of detection method of flexible solar battery fatigue life, it is characterised in that：Using any one in claim 1-6
A kind of flexible solar battery resist bending performance detector described in, its detecting step includes:1. detection means can be set curved
Bent angle, realizes automatic bending and the recovery of flexible solar battery, and the repeatable circulation of this process is carried out；2. bend cycles mistake
Cheng Zhong, online situ detection system gathers output voltage values, until battery performance is decreased obviously；3. different bendings are set every time
Angle, obtains angle of bend-number of bends relation of battery, and generates regression curve, that is, obtains the curved of flexible solar battery
Bent Fatigue Life Curve；4. the data repeatedly measured are analyzed, the angle of bend and number of times critical value of cell performance decay are set, built
Vertical battery resistance to bend(ing) critical value database, so as to set up cell performance decay data model.
10. the detection method of flexible solar battery fatigue life according to claim 9 a kind of, it is characterised in that
Under differently curved angle conditions, setting often bends N0The I-V characteristic of solar cell of secondary test, draws battery maximum output
Power；Take etalon optical power= 100mW/cm²；；Cell photoelectric transformation efficiency is drawn by formula, whereinFor the solar cell gross area, transformation efficiency is drawn with curved according to the transformation efficiency of battery
The attenuation curve of bent number of times, and judge when the not enough minimum setting value of transformation efficiency, then to assert that battery performance is decreased obviously, battery
Failure；Determine under different angles, the number of bends limit of solar cell, can final output solar cell the flexural fatigue longevity
Life, service life of the prediction flexible solar battery under different operating environment.
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