CN102998609A - Photovoltaic module heat cycle test circuit monitoring device - Google Patents
Photovoltaic module heat cycle test circuit monitoring device Download PDFInfo
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- CN102998609A CN102998609A CN2012105334086A CN201210533408A CN102998609A CN 102998609 A CN102998609 A CN 102998609A CN 2012105334086 A CN2012105334086 A CN 2012105334086A CN 201210533408 A CN201210533408 A CN 201210533408A CN 102998609 A CN102998609 A CN 102998609A
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- photovoltaic module
- constant voltage
- voltage source
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- cement resistor
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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
The invention discloses a photovoltaic module heat cycle test circuit monitoring device which comprises a constant current temperature control power supply, the constant current temperature control power supply is connected with a photovoltaic module, a first cement resistance box and a shunting resistor are arranged on a constant current temperature control power return circuit, and two ends of the first cement resistance box and the shunting resistor are connected with a mixed type recording device. The photovoltaic module is connected with a second constant voltage power supply in parallel, a second constant voltage power return circuit is connected with a second cement resistance box in series, and two ends of the second cement resistance box are connected with the mixed type paperless recording device. A first constant voltage power supply is connected with the outside of the photovoltaic module, a first constant voltage power return circuit is connected with a third cement resistance box, and two ends of the third cement resistance box are connected with the mixed type paperless recording device. The photovoltaic module heat cycle test circuit monitoring device enables heat cycle tests in IEC61215 standard and UL1703 standard to be used in compatible mode, and the testing practicality is good.
Description
Technical field
The present invention relates to a kind of photovoltaic module supervising device, relate in particular to a kind of photovoltaic module thermal cycling test circuit supervision device.
Background technology
At present, in photovoltaic module laboratory instrumentation field, the device that is used for the thermal cycling test circuit supervision is generally provided by each equipment vendors, generally adopts the software and hardware combination, but biases toward the mode of software; Because the thermal cycling test supervising device has larger difference in IEC 61215 standards and UL 1703 standards, 61,215 2005 pairs of thermal cycling test circuit supervisions requirements are such as IEC, in experimentation, more than 25 ℃ photovoltaic module is passed to maximum power point electric current (continuity of monitoring internal circuit), monitor the temperature of each photovoltaic module; 1,703 2004 pairs of thermal cycling test circuit supervisions of UL require, and monitor the continuity of internal circuit in experimentation, monitor the continuity of insulation resistance, monitor the continuity of stake resistance, monitor the temperature of each photovoltaic module.And the system integration scheme released of each equipment vendors generally can only be used on IEC 61215 standards at present, and therefore thermal cycling test that can not compatible UL 1703 standards has certain limitation.
Summary of the invention
Technical matters to be solved by this invention is that a kind of photovoltaic module thermal cycling test circuit supervision device that can satisfy simultaneously IEC 61215 and UL 1703 thermal cycling tests is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of photovoltaic module thermal cycling test circuit supervision device, comprise the constant-current temperature-control power supply that is provided with positive and negative electrode, described constant-current temperature-control positive source is connected with negative pole with the photovoltaic module that is provided with positive and negative electrode is anodal and is connected with negative pole, be serially connected with the first cement resistor case and shunt resistance between described constant-current temperature-control power cathode and the photovoltaic module negative pole, the first cement resistor case is connected two ends and all is connected with the hybrid registering instrument that is arranged on the photovoltaic module outside with shunt resistance; On the described photovoltaic module and connect the second constant voltage source that is provided with positive and negative electrode, wherein the positive pole of the second constant voltage source is connected with the plus or minus utmost point on the photovoltaic module, the negative pole of the second constant voltage source is connected with the first ground hole on being arranged on photovoltaic module, the negative pole of described the second constant voltage source be serially connected with the second cement resistor case between the first ground hole is connected, the second cement resistor case two ends are connected with described hybrid recording instrument without paper; The described photovoltaic module outside is connected with the first constant voltage source of positive and negative electrode, the first constant voltage source is anodal be connected with negative pole be arranged on photovoltaic module on a wiring hole be connected ground hole and be connected, be serially connected with the 3rd cement resistor case between described the first constant voltage source negative pole and the second ground hole, the 3rd cement resistor case two ends are connected with hybrid recording instrument without paper.
Preferably, described the first cement resistor is composed in parallel by the resistance of eight 1 Ω 5W, and described the second cement resistor and the 3rd cement resistor are composed in parallel by the resistance of two 10 Ω 20W respectively.
Preferably, the electric current of described constant-current temperature-control power supply is 4-10A.
Preferably, the voltage of described the first constant voltage source is 3-5V, and the voltage of the second constant voltage source is 3V.
Compared with prior art, usefulness of the present invention is: this photovoltaic module thermal cycling test circuit supervision device can make the compatible use of thermal cycling test in IEC 61215 standards and UL 1703 standards, tests practical.
Description of drawings:
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of photovoltaic module thermal cycling test of the present invention circuit supervision device circuit figure.
Among the figure: 1, constant-current temperature-control power supply; 21, the first constant voltage source; 22, the second constant voltage source; 3, hybrid recording instrument without paper; 4, shunt resistance; 51, the first cement resistor case; 52, the second cement resistor case; 53, the 3rd cement resistor case; 6, photovoltaic module.
Embodiment:
Describe the present invention below in conjunction with the drawings and the specific embodiments:
A kind of photovoltaic module thermal cycling test circuit supervision device shown in Figure 1, comprise the constant-current temperature-control power supply 1 that is provided with positive and negative electrode, the electric current of described constant-current temperature-control power supply 1 is 4-10A, the described constant-current temperature-control power supply 1 anodal photovoltaic module of being connected with negative pole and being provided with positive and negative electrode 6 positive poles are connected with negative pole, being serially connected with the two ends that the first cement resistor case 51 and shunt resistance 4, the first cement resistor casees 51 are connected with shunt resistance between described constant-current temperature-control power supply 1 negative pole and photovoltaic module 6 negative poles all is connected with the hybrid registering instrument 3 that is arranged on photovoltaic module 6 outsides; On the described photovoltaic module 6 and connect the second constant voltage source 22 that is provided with positive and negative electrode, the voltage of the second constant voltage source 22 is 3V, wherein the positive pole of the second constant voltage source 22 is connected with the plus or minus utmost point on the photovoltaic module 6, the negative pole of the second constant voltage source 22 is connected with the first ground hole on being arranged on photovoltaic module 6, the negative pole of described the second constant voltage source 22 be serially connected with the second cement resistor case 52, the second cement resistor casees 52 two ends between the first ground hole is connected and be connected with described hybrid recording instrument without paper 3; Described photovoltaic module 6 outsides are connected with the first constant voltage source 21 of positive and negative electrode, the voltage of the first constant voltage source 21 is 3-5V, the first constant voltage source 21 is anodal be connected with negative pole be arranged on photovoltaic module 6 on a wiring hole be connected ground hole and be connected, being serially connected with the 3rd cement resistor case 53, the three cement resistor casees 53 two ends between described the first constant voltage source 21 negative poles and the second ground hole is connected with hybrid recording instrument without paper 3; Described the first cement resistor 51 is composed in parallel by the resistance of eight 1 Ω 5W, and described the second cement resistor 52 and the 3rd cement resistor 53 are composed in parallel by the resistance of two 10 Ω 20W respectively.
Test method is as follows particularly, test one, in the experimentation photovoltaic module more than 25 ℃ is passed to maximum power point electric current (continuity of monitoring internal circuit) IEC 61,215 2005: at first by 1500W constant-current temperature-control power supply 1, realize control constant current regulated power supply output more than 25 ℃, concrete operations are: the positive pole of constant-current temperature-control electricity 1 is received the positive pole of photovoltaic module 6, the negative pole of constant-current temperature-control power supply 1 is received the negative pole of photovoltaic module 6; Between constant-current temperature-control power supply 1 negative pole and photovoltaic module 6 negative poles, be serially connected with the first cement resistor case 51 and shunt resistance 4, hybrid recording instrument without paper 3 is accessed at the two ends of the first cement resistor case 51, can probe temperature and voltage, this passage is transferred to voltage mode, judge by the voltage of testing the first cement resistor case 51 two ends whether this loop is normal, hybrid recording instrument without paper 6 is also accessed at the two ends of shunt resistance 4, voltage by test shunt resistance 4 two ends judges whether the electric current by the loop is the maximum power point electric current of photovoltaic module 6, and hybrid recording instrument without paper 3 is with these voltage parameters of real time record.
Experiment two, the continuity UL 1,703 2004 of monitoring internal circuit in the experimentation: the electric current of constant-current temperature-control power supply 1 is turned down, simultaneously temperature controller is placed the OFF position, this moment, temperature controller was inoperative, and constant-current temperature-control power supply 1 plays the effect of constant-current supply.
Experiment three, the continuity UL 1,703 2004 of monitoring insulation resistance in the experimentation: the negative or positive electrode of the positive pole of the first constant voltage source 22 being received photovoltaic module 6, the ground hole position that the first constant voltage source 22 negative poles are received photovoltaic module 6, between the first constant voltage source 22 negative poles and ground hole, seal in the 3rd cement resistor case 53, hybrid recording instrument without paper 3 is accessed at the two ends of the 3rd cement resistor case 53, this passage is transferred to voltage mode, judge by the voltage of testing the 3rd cement resistor case 53 two ends whether insulate the internal circuit of photovoltaic module 6 and outside, and hybrid recording instrument without paper 3 is with these voltage parameters of real time record.
Experiment four, the continuity UL1703 2004 of monitoring stake resistance in the experimentation a: wiring hole of the positive pole of the second constant voltage source 22 being received photovoltaic module 6, the negative pole of the second constant voltage source 22 is received another ground hole of photovoltaic module 6, between the negative pole of the second constant voltage source 22 and ground hole, seal in one second cement resistor case 52, hybrid recording instrument without paper 3 is accessed at the two ends of the second cement resistor case 52, this passage is transferred to voltage mode, judge by the voltage of testing the second cement resistor case 52 two ends whether the earthed system of photovoltaic module 6 is good, hybrid recording instrument without paper 3 is with these voltage parameters of real time record.
This photovoltaic module thermal cycling test circuit supervision device is realized by hybrid recording instrument without paper 3 and thermopair, one end of thermopair is welded the center on the front or rear surface of receiving photovoltaic module 6, the both positive and negative polarity of thermopair is received hybrid recording instrument without paper 3 (this passage is transferred to temperature model), and hybrid recording instrument without paper 3 is with these temperature parameters of real time record.
It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (4)
1. photovoltaic module thermal cycling test circuit supervision device, it is characterized in that: comprise just being provided with, the constant-current temperature-control power supply (1) of negative pole, anodal and the negative pole of described constant-current temperature-control power supply (1) respectively with just be provided with, the photovoltaic module of negative pole (6) is anodal to be connected with negative pole, be serially connected with the first cement resistor case (51) and shunt resistance (4) between described constant-current temperature-control power supply (1) negative pole and photovoltaic module (6) negative pole, the first cement resistor case (51) is connected 4 with shunt resistance) two ends all be connected with the hybrid registering instrument (3) that is arranged on photovoltaic module (6) outside; The second constant voltage source (22) that is provided with positive and negative electrode is gone up and connect to described photovoltaic module (6), wherein the positive pole of the second constant voltage source (22) is connected with the plus or minus utmost point on the photovoltaic module (6), the negative pole of the second constant voltage source (22) is connected with the first ground hole on being arranged on photovoltaic module (6), the negative pole of described the second constant voltage source (22) be serially connected with the second cement resistor case (52) between the first ground hole is connected, the second cement resistor case (52) two ends are connected with described hybrid recording instrument without paper (3); Described photovoltaic module (6) outside is connected with first constant voltage source (21) of positive and negative electrode, the first constant voltage source (21) is anodal be connected with negative pole be arranged on photovoltaic module (6) on a wiring hole be connected ground hole and be connected, be serially connected with the 3rd cement resistor case (53) between described the first constant voltage source (21) negative pole and the second ground hole, the 3rd cement resistor case (53) two ends are connected with hybrid recording instrument without paper (3).
2. photovoltaic module thermal cycling test circuit supervision device according to claim 1, it is characterized in that: described the first cement resistor (51) is composed in parallel by the resistance of eight 1 Ω 5W, and described the second cement resistor (52) and the 3rd cement resistor (53) are composed in parallel by the resistance of two 10 Ω 20W respectively.
3. photovoltaic module thermal cycling test circuit supervision device according to claim 1, it is characterized in that: the electric current of described constant-current temperature-control power supply (1) is 4-10A.
4. photovoltaic module thermal cycling test circuit supervision device according to claim 1, it is characterized in that: the voltage of described the first constant voltage source (21) is 3-5V, the voltage of the second constant voltage source (22) is 3V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105334086A CN102998609A (en) | 2012-12-12 | 2012-12-12 | Photovoltaic module heat cycle test circuit monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105334086A CN102998609A (en) | 2012-12-12 | 2012-12-12 | Photovoltaic module heat cycle test circuit monitoring device |
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| CN102998609A true CN102998609A (en) | 2013-03-27 |
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| CN2012105334086A Pending CN102998609A (en) | 2012-12-12 | 2012-12-12 | Photovoltaic module heat cycle test circuit monitoring device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201945667U (en) * | 2011-03-02 | 2011-08-24 | 常州天合光能有限公司 | Internal electrical continuity monitoring system for solar assemblies |
| CN202003186U (en) * | 2011-03-02 | 2011-10-05 | 常州天合光能有限公司 | Solar component performance monitoring system |
| CN203037815U (en) * | 2012-12-12 | 2013-07-03 | 泰通(泰州)工业有限公司 | Photovoltaic assembly heat cycle testing circuit monitoring device |
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2012
- 2012-12-12 CN CN2012105334086A patent/CN102998609A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201945667U (en) * | 2011-03-02 | 2011-08-24 | 常州天合光能有限公司 | Internal electrical continuity monitoring system for solar assemblies |
| CN202003186U (en) * | 2011-03-02 | 2011-10-05 | 常州天合光能有限公司 | Solar component performance monitoring system |
| CN203037815U (en) * | 2012-12-12 | 2013-07-03 | 泰通(泰州)工业有限公司 | Photovoltaic assembly heat cycle testing circuit monitoring device |
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Application publication date: 20130327 |