CN109163974A - A kind of mechanical load of photovoltaic module deformation measuring device - Google Patents
A kind of mechanical load of photovoltaic module deformation measuring device Download PDFInfo
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- CN109163974A CN109163974A CN201811197469.3A CN201811197469A CN109163974A CN 109163974 A CN109163974 A CN 109163974A CN 201811197469 A CN201811197469 A CN 201811197469A CN 109163974 A CN109163974 A CN 109163974A
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- mechanical load
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- spring
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- 238000012360 testing method Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000012886 linear function Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910001006 Constantan Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003963 intermediate filament Anatomy 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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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
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
本发明公开了一种光伏组件机械载荷形变量测量装置，包括支架、弹簧、电阻丝、数据采集器，所述支架为四根结构杆形成的活动的菱形结构，支架下方设置在铰支座上，所述电阻丝水平设置在支架中部，电阻丝一端通过固定块与支架连接，另一端往外延伸形成自由端，所述自由端与支架通过滑套连接，自由端的尽头连接数据采集器，所述弹簧水平设置在电阻丝上方，弹簧两端与上方的两根结构杆连接，本装置可以测量到常规的直尺、卷尺等工具测量不到的地方，使用无纸记录仪等数据采集仪器可以实时记录变化数据，得出曲线图，直观体现形变量变化。
The invention discloses a device for measuring the mechanical load and deformation of photovoltaic modules, comprising a bracket, a spring, a resistance wire and a data collector. The bracket is a movable rhombus structure formed by four structural rods, and the lower part of the bracket is arranged on a hinge support , the resistance wire is horizontally arranged in the middle of the bracket, one end of the resistance wire is connected with the bracket through the fixing block, and the other end extends outward to form a free end, the free end is connected with the bracket through a sliding sleeve, and the end of the free end is connected to the data collector, the The spring is set horizontally above the resistance wire, and the two ends of the spring are connected with the two structural rods above. This device can measure the places that cannot be measured by conventional rulers, tape measures and other tools. Using data acquisition instruments such as paperless recorders can be used in real time. Record the change data, get the curve graph, and directly reflect the change of the deformation variable.
Description
Technical field
The invention belongs to photovoltaic module detection device technical fields, and in particular to a kind of mechanical load of photovoltaic module deformation quantity
Measuring device.
Background technique
Mechanical load tests one of the test item as IEC61215 indispensability, can simulate outdoor in reflection photovoltaic module
Applicable cases under physical condition instruct the research and development of photovoltaic module and material.Present mechanical load test equipment mostly uses cylinder
Sucker provides pressure, measures deformation quantity using displacement sensor or contactless monitoring system, involves great expense.Using hydraulic pressure or again
The mode of object static pressure, component centre position deformation quantity is unable to monitor, and mechanical load test will cause elementary battery plate crack,
Influence the reliability of power output and component.Therefore a kind of various shapes that can be tested open air and encounter in actual use are needed
The measuring device of change.
Summary of the invention
To solve the above problems, the invention discloses a kind of mechanical load of photovoltaic module deformation measuring devices, in conjunction with light
It lies prostrate component mechanical load test equipment or uses sandbag test method, the variation of photovoltaic module arbitrary point deformation quantity, solution can be measured
Component centre position deformation of having determined is not easy the problem of measuring, and applicability is high, and measurement accuracy is accurate.
In order to achieve the above objectives, technical scheme is as follows:
A kind of mechanical load of photovoltaic module deformation measuring device, it is characterised in that: adopted including bracket, spring, resistance wire, data
Storage, the bracket are the movable diamond structure that four root knot structure bars are formed, and are arranged on hinged-support below bracket, the resistance
Silk is horizontally set on mid-stent, and resistance wire one end is connect by fixed block with bracket, and the other end extends to form free end outward,
The free end is connect with bracket by sliding sleeve, and the end of free end connects data collector, and the spring horizontal is arranged in electricity
It hinders above silk, two structural poles of both ends of the spring and top connect.
As an improvement of the present invention, it is connected between four structural poles of the bracket by pivot pin.
As an improvement of the present invention, the data collector is the data acquisition instrument with constant current source power supply.
As an improvement of the present invention, the structural poles are rigid rod.
The beneficial effects of the present invention are:
A kind of mechanical load of photovoltaic module deformation measuring device of the present invention, can measure conventional ruler, tape measure
The place that equal tools are not measured, can record delta data using data acquisition instruments such as recording instrument without paper in real time, obtain song
Line chart, it is intuitive to embody deformation quantity variation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Reference signs list:
1, bracket, 2, spring, 3, resistance wire, 4, sliding sleeve, 5, fixed block, 6, hinged-support, 7, free end, 8, pivot pin.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
A kind of mechanical load of photovoltaic module deformation measuring device of the present invention, in conjunction with mechanical load test bracket,
Test device is placed in below photovoltaic module, deformation measurement uses quadrilateral structure, converts water for vertical direction deformation
Square to displacement, horizontal direction measures resistance using resistance wire, is believed the voltage of the resistance wire of real-time monitoring by mathematical relationship
Number, obtain the deformation quantity variation of photovoltaic module.
Photovoltaic module bears different load in different Service Environments, it is therefore desirable to carry out simulation meter in laboratory
The deformation for carrying out simulated assembly with loaded experiment is calculated, so that further design component is fixedly connected with mode to ensure component
Installation and normal service.
This experimental material mainly includes aluminum alloy plate materials and profile, resistance sampling constantan wire, conducting wire be several, screw pivot pin
Several, spring and recording instrument without paper (data collector) etc., aluminum alloy plate materials and profile and screw pivot pin are first made into one can
The diamond rack of change.
Experimental principle is exactly the electricity for converting the displacement signal of the effective length of resistance sampling constantan wire to recording instrument without paper
Press the amount of deflection variation of signal original position record component.Implement relatively easy for aluminum alloy frame, by component away from ground
Distance be converted into the effective length of resistance sampling silk and be again converted to electric signal.It is relatively multiple for the measurement of component internal system
It is miscellaneous, it needs to design a kind of mechanical device for converting vertical displacement to horizontal position, provides output space for the amount of deflection variation of component,
Then the functional relation between level resistance sampling silk effective length adjoint height and output voltage is established, subsequent number is convenient for
According to statistical analysis.
In order to meet above-mentioned requirements, this variation is realized using the device for being similar to jack.But there is no intermediate filament
The quadrilateral structure of thick stick is that do not have stability, that is to say, that parallelogram mechanism has uncertainty in the process of movement.I.e.
Make to fix a fulcrum by hinged-support 6, can not solve component cause under the influence of self gravity two of quadrangle it is right
Linea angulata is respectively offset from both horizontally and vertically.If it is vertical that the state for starting test cannot be guaranteed that two diagonal lines of quadrangle are located at
And horizontal direction, then being also difficult to correct in subsequent test process, the two directions once occur to deviate to will result in very greatly
Measurement error.
Therefore it has to be ensured that component original state two diagonal lines respectively with it is horizontally and vertically parallel, guarantor
Demonstrate,prove the synchronous stability for carrying out to guarantee test of movement of the structural poles of component during the test.
To solve the above-mentioned problems, resistance wire 3 is horizontally set on 1 middle part of bracket by the present invention, and 3 one end of resistance wire is fixed,
The other end can be produced relative sliding with bracket 1, it is ensured that two diagonal lines of component are respectively at vertically and horizontally state.Together
When in the horizontal direction of bracket add a spring, on the one hand in order to further ensure two structural poles on hinged-support are in
Identical original state is synchronous with circular motion to be carried out；On the other hand it can also test to apply in component amount of deflection experimentation and carry
The mode of lotus.
A constant-current supply is used when measurement, and (external power supply of the output electric current for 1A) as the system, paperless tests are real-time
Monitoring resistor rate is 6.1x10-4The voltage change of Ω/mm, the resistance sampling silk that diameter is 1mm, will be supervised in real time by mathematical relationship
The voltage of survey is converted into the amount of deflection variation of MUT module under test.Structural poles are perfect rigidity bars, in structural poles the center of circle in two holes away from
From for a, the length of Vertical Diagonal line is H, and the effective length of resistance sampling silk is L and its voltage is U, and entire loop current perseverance is
1A, displacement and voltage are positive value in this model, and the cross-sectional area and resistivity of sampling resistor silk are definite value, therefore using electricity
The linear function relationship of quadratic sum height square is pressed to be parsed, H2And U2For linear function relationship, extrapolates the present apparatus and receiving
The data of each point after to pressure distortion, draw curve graph, to illustrate the variable quantity of deformation.
Quadrangle bracket 1 and spring 2 of the present invention combine, and bracket can be made freely to change up and down, reflect deformation in real time
Variation.
The invention discloses a kind of mechanical load of photovoltaic module deformation measuring devices, convert water for vertical direction deformation
Square to displacement, horizontal direction measures resistance wire voltage change, by mathematical relationship by the resistance wire voltage signal of real-time monitoring
It is converted into height change, obtains the deformation quantity variation of photovoltaic module.This device combination mechanical load of photovoltaic module test equipment or
Using sandbag test method, the variation of photovoltaic module arbitrary point deformation quantity can be measured, position deformation among component is solved and is not easy
The problem of measurement, applicability is high, and accuracy is high.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197469.3A CN109163974A (en) | 2018-10-15 | 2018-10-15 | A kind of mechanical load of photovoltaic module deformation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197469.3A CN109163974A (en) | 2018-10-15 | 2018-10-15 | A kind of mechanical load of photovoltaic module deformation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163974A true CN109163974A (en) | 2019-01-08 |
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ID=64877937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811197469.3A Pending CN109163974A (en) | 2018-10-15 | 2018-10-15 | A kind of mechanical load of photovoltaic module deformation measuring device |
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| Country | Link |
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| CN (1) | CN109163974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267158A (en) * | 2021-06-07 | 2021-08-17 | 天津瑞能电气有限公司 | Device and method for measuring deformation of flexible pin of gearbox of wind driven generator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042465A (en) * | 1988-11-08 | 1990-05-30 | 阿尔卑斯肠衣加工股份有限公司 | Slaughterhouse demarcation, linear measure longimetry and packing method and the equipment thereof of intestinal segment |
| CN101832762A (en) * | 2010-05-14 | 2010-09-15 | 北京品傲光电科技有限公司 | Fiber Bragg grating strain sensor |
| CN104502202A (en) * | 2014-12-15 | 2015-04-08 | 吉林大学 | Online material biaxial static-dynamic performance test platform under service temperature |
| CN104567793A (en) * | 2014-11-27 | 2015-04-29 | 山东力诺光伏高科技有限公司 | Photovoltaic module deformation quantity testing device |
| CN106225755A (en) * | 2016-07-29 | 2016-12-14 | 武汉工程大学 | A kind of rhombus displacement amplifying mechanism and high-temperature flange joint deflection angle monitoring device |
| CN205898111U (en) * | 2016-07-29 | 2017-01-18 | 武汉工程大学 | High temperature flange connects measuring device that deflects based on rhombus displacement amplification mechanism |
| CN207317725U (en) * | 2017-06-20 | 2018-05-04 | 燕山大学 | A kind of measuring device of beam deflection |
| CN108507453A (en) * | 2018-03-01 | 2018-09-07 | 岳士凯 | Tunnel roof and floor deformation measuring device |
| CN209215098U (en) * | 2018-10-15 | 2019-08-06 | 连云港神舟新能源有限公司 | A kind of mechanical load of photovoltaic module deformation measuring device |
-
2018
- 2018-10-15 CN CN201811197469.3A patent/CN109163974A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042465A (en) * | 1988-11-08 | 1990-05-30 | 阿尔卑斯肠衣加工股份有限公司 | Slaughterhouse demarcation, linear measure longimetry and packing method and the equipment thereof of intestinal segment |
| CN101832762A (en) * | 2010-05-14 | 2010-09-15 | 北京品傲光电科技有限公司 | Fiber Bragg grating strain sensor |
| CN104567793A (en) * | 2014-11-27 | 2015-04-29 | 山东力诺光伏高科技有限公司 | Photovoltaic module deformation quantity testing device |
| CN104502202A (en) * | 2014-12-15 | 2015-04-08 | 吉林大学 | Online material biaxial static-dynamic performance test platform under service temperature |
| CN106225755A (en) * | 2016-07-29 | 2016-12-14 | 武汉工程大学 | A kind of rhombus displacement amplifying mechanism and high-temperature flange joint deflection angle monitoring device |
| CN205898111U (en) * | 2016-07-29 | 2017-01-18 | 武汉工程大学 | High temperature flange connects measuring device that deflects based on rhombus displacement amplification mechanism |
| CN207317725U (en) * | 2017-06-20 | 2018-05-04 | 燕山大学 | A kind of measuring device of beam deflection |
| CN108507453A (en) * | 2018-03-01 | 2018-09-07 | 岳士凯 | Tunnel roof and floor deformation measuring device |
| CN209215098U (en) * | 2018-10-15 | 2019-08-06 | 连云港神舟新能源有限公司 | A kind of mechanical load of photovoltaic module deformation measuring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267158A (en) * | 2021-06-07 | 2021-08-17 | 天津瑞能电气有限公司 | Device and method for measuring deformation of flexible pin of gearbox of wind driven generator |
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Application publication date: 20190108 |