CN206294131U - Photovoltaic module thermal cycle experiment temperature control and supervising device - Google Patents

Photovoltaic module thermal cycle experiment temperature control and supervising device Download PDF

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Publication number
CN206294131U
CN206294131U CN201621461212.0U CN201621461212U CN206294131U CN 206294131 U CN206294131 U CN 206294131U CN 201621461212 U CN201621461212 U CN 201621461212U CN 206294131 U CN206294131 U CN 206294131U
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China
Prior art keywords
temperature
photovoltaic module
computer
power supply
thermal cycle
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Active
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CN201621461212.0U
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Chinese (zh)
Inventor
宋晓光
冒巍巍
龚海丹
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Wuxi Suntech Power Co Ltd
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Wuxi Suntech Power Co Ltd
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Priority to CN201621461212.0U priority Critical patent/CN206294131U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model provides a kind of photovoltaic module thermal cycle experiment temperature control and supervising device, including thermal cycling test case, temperature-sensing element (device), temperature collect module, computer, constant current programmable power supply;The constant current programmable power supply is connected and is controlled by computer, and the positive-negative output end of crossing current control power supply connects the both positive and negative polarity of the photovoltaic module being placed in thermal cycling test case respectively;The probe of temperature-sensing element (device) is close to the back side of photovoltaic module, for gathering the temperature change from photovoltaic module during thermal cycle experiment, realizes that temperature simulation amount is gathered;The other end connection temperature collect module of temperature-sensing element (device), temperature collect module is connected with computer, the temperature simulation amount of collection is transmitted to computer by after A/D conversions;The utility model can realize the continuous control to temperature and electric current in photovoltaic module thermal cycling test, and monitor in real time temperature and the current value that provides photovoltaic module.

Description

Photovoltaic module thermal cycle experiment temperature control and supervising device
Technical field
The utility model is related to technical field of photovoltaic module test, and especially one kind is carrying out high/low temperature for photovoltaic module The device that thermal cycle experiment process is controlled and monitors to component internal circuit.
Background technology
At present, in photovoltaic module laboratory instrumentation field, the circuit supervision for photovoltaic module thermal cycle experiment is filled Put mostly according to IEC61215:2005 standards are carried out, and more than 25 DEG C, power supply needs to be held to component standard requirement test suite It is continuous that Impp (component maximum power point electric current) is provided, below 25 DEG C of component, it is not necessary to monitor.But with latest edition The promulgation of IEC61215-2016, in high/low temperature Thermal Cycling is carried out, supervising device needs to component internal photovoltaic module Circuit is controlled, to reach more harsh reliability testing requirement.
The content of the invention
For the deficiencies in the prior art, the utility model provides a kind of photovoltaic module thermal cycle experiment temperature control With supervising device, continuous control to temperature and electric current in experiment can be realized, and monitor in real time temperature and photovoltaic module is carried The current value of confession.The technical solution adopted in the utility model is:
A kind of photovoltaic module thermal cycle experiment temperature control and supervising device, including the sensitive unit of thermal cycling test case, temperature Part, temperature collect module, computer, constant current programmable power supply;
The constant current programmable power supply is connected and is controlled by computer, and the positive-negative output end of crossing current control power supply is connected respectively to be put Put the both positive and negative polarity of the photovoltaic module in thermal cycling test case;
The probe of temperature-sensing element (device) is close to the back side of photovoltaic module, for gathering during thermal cycle experiment from light The temperature change of component is lied prostrate, realizes that temperature simulation amount is gathered;
The other end connection temperature collect module of temperature-sensing element (device), temperature collect module is connected with computer, will gather Temperature simulation amount by A/D conversion after transmit to computer;
Computer realizes the control of constant current programmable power supply output current.
Further, constant current programmable power supply includes interface circuit, MCU, AC/DC rectification voltage reduction module, resistance R1, R2, NPN Triode Q1, relay KA1, filter capacitor C1;
MCU connects computer 4 by interface circuit, and the input of AC/DC rectification voltage reduction modules is used to connect electric main, one Direct current output terminates MCU, another direct current output terminating resistor R1 one end, relay KA1 coils one end, electric capacity C1 one end, relay Device KA1 normally opened contact KA1-1 one end;One the input and output terminating resistor R1 other ends, triode Q1 base stages, the resistance R2 of MCU One end;The collector connecting relay KA coil other ends of triode Q1, the emitter stage and another terminations of resistance R2 of triode Q1 Ground;The other end ground connection of electric capacity C1;The ground that the other end of relay KA1 normally opened contacts and the emitter stage of triode Q1 are connected point Not as the positive-negative output end of constant current programmable power supply 5.
Further, the metal probe of temperature-sensing element (device) is fixed on the back side of photovoltaic module using masking foil.
Further, temperature-sensing element (device) uses PT100 platinum resistance temperature lines, and correspondingly, temperature collect module is used PT100 temperature collect modules.
Further, computer connects constant current programmable power supply by RS485 interface circuits.
Further, temperature collect module is connected with computer by RS232 interfaces.
The utility model has the advantage of:
1)The temperature and electric current of photovoltaic module thermal cycle experiment are fully controllable;
2)By real-time monitoring of computer temperature and electric current;
3)Can directly be transformed in original thermal cycle test equipment, simple and reliable, reduces cost.
Brief description of the drawings
Fig. 1 is structure composition schematic diagram of the present utility model.
Fig. 2 is standard hot loop tester curve map of the present utility model.
Fig. 3 is the electrical schematic diagram of constant current programmable power supply of the present utility model.
Specific embodiment
With reference to specific drawings and Examples, the utility model is described in further detail.
As shown in figure 1, the utility model provides a kind of photovoltaic module thermal cycle experiment temperature control and supervising device, including Thermal cycling test case 1, PT100 platinum resistance temperatures line 2, multichannel input PT100 temperature collect modules 3, computer 4, constant current are program control Power supply 5;
The constant current programmable power supply 5 is controlled by computer 4, and it is program control that computer 4 connects constant current by interface circuits such as RS485 Power supply 5;The positive-negative output end of crossing current control power supply 5 connects the positive and negative of the photovoltaic module that is placed in thermal cycling test case 1 respectively Pole, its effect is exported to photovoltaic module offer electric current stage by stage according to experimental standard;
The metal probe of the PT100 platinum resistance temperatures line 2 is close to the back side of photovoltaic module, and it can gather thermal cycle Temperature change from photovoltaic module in experimentation, realizes that temperature simulation amount is gathered;More preferably, can be incited somebody to action using masking foil The metal probe of PT100 platinum resistance temperatures line 2 is fixed on the back side of photovoltaic module, and masking foil has good heat-conductive characteristic, PT100 platinum resistance temperatures line 2 can be helped fully to be heated;
The other end connection PT100 temperature collect modules 3 of PT100 platinum resistance temperatures line 2, PT100 temperature collect modules 3 with Computer is connected by RS232 interfaces, the temperature simulation amount of collection can be transmitted to computer 4 by after A/D conversions;
Computer 4 is by the control to constant current programmable power supply 5 so that constant current programmable power supply 5 is according to IEC61215-2016 The test request output current of standard;To meet control and the monitoring successional purpose of photovoltaic module internal circuit;
IEC61215-2016 standard thermal cycle tests(TC200)Program curve figure is as shown in Fig. 2 temperature control therein Controlled by thermal cycling test case 1, current control controls constant current programmable power supply 5 to realize by computer 4;
The electric principle of constant current programmable power supply 5 is as shown in figure 3, including RS485 interface circuits, MCU, AC/DC rectification step-down mould Block, resistance R1, R2, NPN triode Q1, relay KA1, filter capacitor C1;
MCU connects computer 4 by RS485 interface circuits, and the input of AC/DC rectification voltage reduction modules is used to meet exchange city Electricity a, DC output end meets MCU, another direct current output terminating resistor R1 one end, relay KA1 coils one end, electric capacity C1 one end, Relay KA1 normally opened contact KA1-1 one end;One the input and output terminating resistor R1 other ends, triode Q1 base stages, the electricity of MCU Hinder one end of R2;The collector connecting relay KA coil other ends of triode Q1, the emitter stage and resistance R2 of triode Q1 is another End ground connection;The other end ground connection of electric capacity C1;What the other end of relay KA1 normally opened contacts and the emitter stage of triode Q1 were connected Positive-negative output end of the ground respectively as constant current programmable power supply 5.

Claims (6)

1. the sensitive unit of a kind of photovoltaic module thermal cycle experiment temperature control and supervising device, including thermal cycling test case (1), temperature Part, temperature collect module, computer (4), constant current programmable power supply (5);
The constant current programmable power supply (5) connects and is controlled by computer (4), the positive-negative output end difference of crossing current control power supply (5) Connection is placed on the both positive and negative polarity of the photovoltaic module in thermal cycling test case (1);
The probe of temperature-sensing element (device) is close to the back side of photovoltaic module, for gathering during thermal cycle experiment from photovoltaic group The temperature change of part, realizes that temperature simulation amount is gathered;
The other end connection temperature collect module of temperature-sensing element (device), temperature collect module is connected with computer, the temperature that will be gathered Degree analog quantity is transmitted to computer (4) by after A/D conversions;
Computer (4) realizes the control of constant current programmable power supply (5) output current.
2. photovoltaic module thermal cycle experiment temperature control as claimed in claim 1 and supervising device, it is characterised in that
Constant current programmable power supply (5) including interface circuit, MCU, AC/DC rectification voltage reduction module, resistance R1, R2, NPN triode Q1, Relay KA1, filter capacitor C1;
MCU connects computer (4) by interface circuit, and the input of AC/DC rectification voltage reduction modules is used to connect electric main, always Stream output termination MCU, another direct current output terminating resistor R1 one end, relay KA1 coils one end, electric capacity C1 one end, relay KA1 normally opened contact KA1-1 one end;One input and output terminating resistor R1 other end of MCU, triode Q1 base stages, resistance R2 One end;The collector connecting relay KA coil other ends of triode Q1, emitter stage and the resistance R2 other ends ground connection of triode Q1; The other end ground connection of electric capacity C1;The ground difference that the other end of relay KA1 normally opened contacts and the emitter stage of triode Q1 are connected As the positive-negative output end of constant current programmable power supply (5).
3. photovoltaic module thermal cycle experiment temperature control as claimed in claim 1 and supervising device, it is characterised in that use tin The metal probe of temperature-sensing element (device) is fixed on foil paper the back side of photovoltaic module.
4. photovoltaic module thermal cycle experiment temperature control as claimed in claim 1 and supervising device, it is characterised in that temperature is quick Sensing unit uses PT100 platinum resistance temperatures line (2), and correspondingly, temperature collect module uses PT100 temperature collect modules (3).
5. photovoltaic module thermal cycle experiment temperature control as claimed in claim 1 and supervising device, it is characterised in that computer (4) constant current programmable power supply (5) is connected by RS485 interface circuits.
6. photovoltaic module thermal cycle experiment temperature control as claimed in claim 1 and supervising device, it is characterised in that temperature is adopted Collection module is connected with computer by RS232 interfaces.
CN201621461212.0U 2016-12-29 2016-12-29 Photovoltaic module thermal cycle experiment temperature control and supervising device Active CN206294131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621461212.0U CN206294131U (en) 2016-12-29 2016-12-29 Photovoltaic module thermal cycle experiment temperature control and supervising device

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Application Number Priority Date Filing Date Title
CN201621461212.0U CN206294131U (en) 2016-12-29 2016-12-29 Photovoltaic module thermal cycle experiment temperature control and supervising device

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CN206294131U true CN206294131U (en) 2017-06-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957112A (en) * 2018-07-04 2018-12-07 南京中认南信检测技术有限公司 Photovoltaic module current continuity monitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957112A (en) * 2018-07-04 2018-12-07 南京中认南信检测技术有限公司 Photovoltaic module current continuity monitor

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