CN207150532U - A kind of photovoltaic testing laboratory wet leakage current detection platform device - Google Patents
A kind of photovoltaic testing laboratory wet leakage current detection platform device Download PDFInfo
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- CN207150532U CN207150532U CN201721026167.0U CN201721026167U CN207150532U CN 207150532 U CN207150532 U CN 207150532U CN 201721026167 U CN201721026167 U CN 201721026167U CN 207150532 U CN207150532 U CN 207150532U
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- Prior art keywords
- experimental tank
- photovoltaic module
- water circulation
- photovoltaic
- leakage current
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- 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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Abstract
A kind of photovoltaic testing laboratory wet leakage current detection platform device is the utility model is related to, belongs to photovoltaic module detection field.According to technical scheme described in the utility model, photovoltaic testing laboratory wet leakage current detection platform device mainly includes experimental tank, water inlet system, drainage system, water circulation control unit, photovoltaic module wiring fixture, photovoltaic module installation neck, temperature control system, switch board, program control insulation Hi-pot Tester, conductivity meter etc..Water circulation control unit ensure that the resistivity and temperature of each position of liquid and aspect all reach standard requirement;Photovoltaic module binding clip prevents component wiring to slide into experimental tank;Photovoltaic module installation neck reduces the error in mounting position during testing crew handling photovoltaic module.The experimental rig of the utility model design is rational in infrastructure, simple to operate, can carry out photovoltaic module wet leakage current Validity Test, wide adaptation range, cost is low, securely and reliably.
Description
Technical field
Photovoltaic module detection field is the utility model is related to, specifically, is related to a kind of wet electric leakage in photovoltaic testing laboratory
Flow detection platform device.
Background technology
Wet leakage current detection experiment is one of most important reliability testing of photovoltaic module, and its purpose is to evaluate photovoltaic
Whether insulating properties of the component under operational wetted conditions, detection rain, mist, dew or the moisture of snow melt enter component internal circuit
Working portion, it is caused burn into electric leakage etc. non-security accident.
Criterion is tested in detection:1)Under applied voltage, it should do not put breakdown or surface leakage phenomenon;2)
Area is less than 0.1m2Or smaller module, insulaion resistance should not be less than 400M Ω.3)Area is more than 0.1m2Module, measure
The unit area insulaion resistance arrived should not be less than 400M Ω × m2。
Problems be present in existing photovoltaic testing laboratory wet leakage current detecting system:Water quality is uneven in experimental tank, respectively
The resistivity and temperature of individual position and aspect do not reach requirement, and component wiring is easily slid into experimental tank, tests process data
It cannot monitor and store automatically, it has not been convenient to carry out data comparison.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and provides a kind of structure design and close
Reason, system perfecting, photovoltaic testing laboratory wet leakage current detection platform device simple to operate, which solves experimental tank
Water quality is uneven, photovoltaic module lead easily slides experimental tank, experiment process data cannot be monitored and stored automatically, be inconvenient into
The problems such as row data comparison, improve operating efficiency and test result accuracy.
The utility model, which adopts the following technical scheme that, realizes goal of the invention:
A kind of photovoltaic testing laboratory wet leakage current detection platform device, including experimental tank, water inlet system, electrical conductivity
Instrument, drainage system and program control insulation Hi-pot Tester;Drainage system and water inlet system are connected with experimental tank;Described conductance
Rate instrument is arranged in experimental tank;It is characterized in that:Also include photovoltaic module wiring fixture, temperature control system, computer, water circulation
Control unit and computer;Described experimental tank inwall is provided with photovoltaic module installation neck;Described photovoltaic module wiring
Fixture is fixed on the top of experimental tank side;Described temperature control system is connected with experimental tank;Program control insulation Hi-pot Tester
It is connected with computer;Described water circulation control unit includes water circulation backwater channel and water circulation immersible pump, water circulation backwater
Passage is arranged in experimental tank, and water circulation immersible pump is arranged in water circulation backwater channel.
Experimental tank thickness described in the utility model is 15mm, is made of resistance to insulation PVC material.
Photovoltaic module described in the utility model installs neck totally four, is symmetrically distributed in experimental tank inwall both sides, and
There is certain spacing with experimental tank inwall.
The utility model compared with prior art, has advantages below and effect:
1st, water circulation control unit causes the liquid in experimental tank to be respectively in uniform shape to temperature, resistivity, concentration etc.
State, so as to ensure that the resistivity and temperature of each position of liquid and aspect have all reached standard requirement, experiment process is enhanced,
So that test data is more reliable;
2nd, test data is stored automatically using computer, during experiment, data are monitored, avoid for a long time
Each experimental condition data variation is unsatisfactory for testing standard during experiment, and input test assembly sample number into spectrum is to experiment process data and knot
Fruit is stored, strengthen result of the test data can contrast, it is convenient to be analysed scientifically in the future;
3rd, the design of photovoltaic module installation neck facilitates the placement of photovoltaic module, ensure that component to experimental tank inwall
Spacing, reduce testing crew handling photovoltaic module during error in mounting position, so as to ensure that the standard of result of the test
True property;
4th, when the design of photovoltaic module wiring fixture avoids testing crew using program control insulation Hi-pot Tester, component connects
Line is slid into tank.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model embodiment.
Fig. 2 is the experimental tank overlooking the structure diagram of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
Referring to Fig. 1 to Fig. 2, the utility model embodiment includes water inlet system 1, experimental tank 2, conductivity meter 4, photovoltaic group
Part wiring fixture 5, computer 6, temperature control system 7, switch board 8, drainage system 9, program control insulation Hi-pot Tester 10 and water circulation
Control unit 11.
Water inlet system 1 is connected with experimental tank 2, for being supplied water to experimental tank 2.
The inwall both sides of experimental tank 2 are symmetrical arranged 4 photovoltaic module installation necks 3, for photovoltaic module to be detected to be consolidated
It is scheduled on horizontal checkout station, and photovoltaic module installation neck 3 distance test (DT) tank, 2 inwalls are at regular intervals, ensure photovoltaic group
Part reduces the error in mounting position during testing crew handling photovoltaic module, reduces experiment knot to the back gauge of experimental tank 2
The uncertainty of fruit.
Conductivity meter 4 is arranged in experimental tank 2, for measuring the electrical conductivity of water.
Photovoltaic module wiring fixture 5 is fixed on the top of the side of experimental tank 2, for clamping photovoltaic module wiring to be measured,
Testing crew is avoided when using program control insulation Hi-pot Tester 10, component wiring is slid into experimental tank 2.
Temperature control system 7 is connected with experimental tank 2, for being heated to the water in experimental tank 2, and water temperature can be controlled to protect
Hold within the specific limits.
Drainage system 9 is connected with experimental tank 2, for the water in experimental tank 2 to be expelled into recovery system.
Program control insulation Hi-pot Tester 10 is used for the wet leakage current of measurement assembly, and is connected with computer 6, by test data
It is stored automatically in computer 6.
Experiment process data is monitored using computer 6, avoided when long-time is tested, each experimental condition data become
Change is unsatisfactory for testing standard, and input test assembly sample number into spectrum stores to experiment process data and result, strengthens experiment
As a result data can contrast, it is convenient to be analysed scientifically in the future.
Water circulation control unit 11 includes water circulation backwater channel 12 and water circulation immersible pump 13, water circulation backwater channel 12
In experimental tank 2, water circulation immersible pump 13 is arranged in water circulation backwater channel 12.Experimental tank is reconciled before the test
When the resistivity and temperature of 2 reclaimed waters, water circulation immersible pump 13 is opened by water circulation control unit 11, water circulation immersible pump 13 makes
The water obtained in experimental tank 2 circulates in water circulation backwater channel 12, until the resistivity and temperature of the reclaimed water of experimental tank 2
It is further continued for circulating 10min when reaching standard requirement so that water quality is uniform in experimental tank 2, the resistivity of each position and aspect
All meet standard requirement with temperature.
Computer 6 and temperature control system 7 are arranged in switch board 8.
Photovoltaic module wet leakage current detects test procedure:
(1)Photovoltaic module is placed in photovoltaic module installation neck 3, the lead-out wire of photovoltaic module is fixed on photovoltaic group
In part wiring fixture 5;
(2)Water inlet system 1 is started working, and to the water filling of experimental tank 2 to certain height, stops water filling;
(3)Start program control insulation Hi-pot Tester 10 and carry out equipment preheating;
(4)Startup water circulation control unit 11 makes the water circulation in experimental tank 2;
(5)Water to the temperature started in the heat run tank 2 of temperature control system 7 is 22 DEG C ± 3 DEG C, and keeping temperature is constant;
(6)The electrical conductivity that conductivity meter 4 measures water is put into, adjustment liquid resistivity is less than 3500 Ω × cm;
(7)The wet leakage current of photovoltaic module is detected using program control insulation Hi-pot Tester 10;
(8)The monitoring test data of computer 6, and records store data;
(9)Off-test is detected, closes each laboratory apparatus, drainage system 9 is opened and the water in experimental tank 2 is returned
Receive.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to the utility model structure example explanation.
The equivalence changes or simple change that all construction, feature and the principle described according to the utility model patent design are done, are wrapped
Include in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can be to described
Specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from knot of the present utility model
Structure surmounts scope defined in the claims, all should belong to the scope of protection of the utility model.
Claims (3)
1. a kind of photovoltaic testing laboratory wet leakage current detection platform device, including experimental tank, water inlet system, conductivity meter,
Drainage system and program control insulation Hi-pot Tester;Drainage system and water inlet system are connected with experimental tank;Described electrical conductivity
Instrument is arranged in experimental tank;It is characterized in that:Also include photovoltaic module wiring fixture, temperature control system, computer, water circulation control
Unit and computer processed;Described experimental tank inwall is provided with photovoltaic module installation neck;Described photovoltaic module binding clip
Tool is fixed on the top of experimental tank side;Described temperature control system is connected with experimental tank;It is program control insulation Hi-pot Tester with
Computer connects;Described water circulation control unit includes water circulation backwater channel and water circulation immersible pump, and water circulation backwater leads to
Road is arranged in experimental tank, and water circulation immersible pump is arranged in water circulation backwater channel.
A kind of 2. photovoltaic testing laboratory wet leakage current detection platform device according to claim 1, it is characterised in that:Institute
The experimental tank thickness stated is 15mm, is made of resistance to insulation PVC material.
A kind of 3. photovoltaic testing laboratory wet leakage current detection platform device according to claim 1, it is characterised in that:Institute
The photovoltaic module installation neck totally four stated, is symmetrically distributed in experimental tank inwall both sides, and have necessarily with experimental tank inwall
Spacing.
Priority Applications (1)
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CN201721026167.0U CN207150532U (en) | 2017-08-16 | 2017-08-16 | A kind of photovoltaic testing laboratory wet leakage current detection platform device |
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CN201721026167.0U CN207150532U (en) | 2017-08-16 | 2017-08-16 | A kind of photovoltaic testing laboratory wet leakage current detection platform device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110932668A (en) * | 2019-10-30 | 2020-03-27 | 华电电力科学研究院有限公司 | Photovoltaic detection laboratory wet leakage current detection method |
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2017
- 2017-08-16 CN CN201721026167.0U patent/CN207150532U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110932668A (en) * | 2019-10-30 | 2020-03-27 | 华电电力科学研究院有限公司 | Photovoltaic detection laboratory wet leakage current detection method |
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