CN208572036U - A kind of high-precision photovoltaic module temperature coefficient test macro - Google Patents
A kind of high-precision photovoltaic module temperature coefficient test macro Download PDFInfo
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- CN208572036U CN208572036U CN201821003064.7U CN201821003064U CN208572036U CN 208572036 U CN208572036 U CN 208572036U CN 201821003064 U CN201821003064 U CN 201821003064U CN 208572036 U CN208572036 U CN 208572036U
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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 utility model relates to a kind of high-precision photovoltaic module temperature coefficient test macros, it is set in room, the test macro includes for the bracket institution of fixed placement photovoltaic module, the air-conditioning for adjusting temperature and the light source irradiated to photovoltaic module, the top of photovoltaic module is arranged in the air-conditioning, the air curtain that a row blows vertical tentiform air-flow is arranged in the top in the room, and the bracket institution, photovoltaic module and air-conditioning are located in the space that vertical curtain shape air-flow and room are formed.Compared with prior art, the utility model is provided with air curtain in system, powerful uprush is generated, the tentiform air-flow of certain speed and temperature is sent out, forms a face air curtain, block air inside photovoltaic module and external, both it had prevented from exchanging in the test space with outside progress hot and cold air, and had avoided temperature fluctuation, and do not influence the irradiation of light source, guarantee lighting effect, so that the accuracy of experimental test be effectively ensured.
Description
Technical field
The utility model relates to photovoltaic module testing fields, and in particular to a kind of high-precision photovoltaic module temperature coefficient test
System.
Background technique
Inexhaustible solar energy, increasingly by the blueness of people due to its safety, clean, environmental protection performance
It looks at, therefore solar photovoltaic industry becomes new industry.Photovoltaic module is when temperature is higher, work efficiency drop.With photovoltaic
The raising of battery temperature, open-circuit voltage reduces, and within the scope of 20~100 DEG C, every about increasing 1 DEG C, the voltage of photovoltaic module subtracts
Small 150mV；And photoelectric current slightly rises with the raising of temperature, increases by 6/1000ths every about the photoelectric current for increasing 1 DEG C of component.Always
For, temperature is every to increase 1 DEG C, then power reduces 0.4%, here it is the temperature coefficient of component, different photovoltaic cells, and temperature system
Number is also different, so temperature coefficient is one of important judgment criteria of photovoltaic module performance.
Photovoltaic module is usually placed in a room, with apart from photovoltaic module by existing temperature coefficient test method
A branch of light source of certain distance is irradiated the photovoltaic module, and adjusts the temperature in room by air-conditioning, when temperature reaches
After setting value, light source irradiates photovoltaic module, then measures the photoelectric current and open-circuit voltage of photovoltaic module, so that measurement is in the temperature
Under temperature coefficient.In the whole process, less the time required to illumination, data will soon be measured, and the most of the time is spent
In temperature adjusting, due to having a certain distance between light source and photovoltaic module, entire test room is larger, very by air-conditioning
Hardly possible realizes that fast temperature is adjusted, and testing efficiency is lower.
Chinese patent CN107196603A discloses a kind of test macro for the measurement of photovoltaic module temperature coefficient, the survey
Test system is placed in a closed dark room, and test macro is equipped with for placing the bracket of photovoltaic module, for adjusting
The surface of photovoltaic module, the side wall in room is arranged in the light source of the air-conditioning of temperature and face photovoltaic module in room, air-conditioning
It is equipped with guide rail, and liftable shutter door is installed on guide rail, bracket, photovoltaic module and air-conditioning are located at shutter door and room side
In the confined space that wall is formed, which divides the room into two parts by setting shutter door, realizes around photovoltaic module
The vertiginous purpose of air shortens the time entirely tested and reaches the effect for rapidly and uniformly changing photovoltaic module temperature
Fruit increases efficiency, and at low cost, can although the patent has the disadvantage that room can be divided into small space by shutter door
To fast implement the purpose that photovoltaic module surrounding air rapidly changes, the testing time can be greatly shortened, but in actual test, temperature
Degree is on earth after setting value, it is necessary to by shutter door pack up could by the light emission of distant place on photovoltaic module, although the time is shorter,
The temperature fluctuation around photovoltaic module will certainly also be caused, so that test result is inaccurate.Utility model people once considers to pass through
Shutter door is replaced using glass door, but there are problems that glass reflecting, light source irradiation photovoltaic module is influenced, also will affect test knot
Fruit.
Utility model content
To solve the above problems, the utility model provides a kind of photovoltaic module temperature coefficient test system with air curtain
System blows vertical tentiform air-flow trap heat by air curtain and transmits, guarantees the accurate of test.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high-precision photovoltaic module temperature coefficient test macro, is set in room, which includes for solid
Surely bracket institution, the air-conditioning for adjusting temperature and the light source irradiated to photovoltaic module of photovoltaic module are placed, it is described
The top of photovoltaic module is arranged in air-conditioning, and the air curtain that a row blows vertical tentiform air-flow is arranged in the top in the room, described
Bracket institution, photovoltaic module and air-conditioning are located in the space that the vertical tentiform air-flow that air curtain blows and room are formed.
Further, the air curtain uses the centrifugal type air curtain machine of adjustable temperature, can strong offers isolation it is vertical
Straight air-flow.
Further, the width of the air curtain is in 1.5-2m.
Further, the bracket institution includes firm banking, the support column on firm banking, is set on support column
The connection frame at end and it is mounted on the installation frame that installation photovoltaic component is used on connection frame, the connection frame is movably installed in branch
Dagger upper end, the installation frame are movably installed on connection frame.
Further, the support column uses height-adjustable Telescopic rod structure, and it is tight that the telescopic rod is equipped with bolt
Firmware.
Further, the connection frame is U-shaped, and ball bearing is arranged between lower end and upper end of support column.
Further, the installation frame is square frame, and the installation frame is mounted on connection frame by shaft, and
Fastening bolt for fixed rotation rack position is set.
Further, temperature sensor is equipped in the test macro space.
Further, the test macro is equipped with the PLC controller for controlling air curtain and light source switch, the PLC
Controller is connect with the temperature sensor.
Further, the light source is 3~5m at a distance from photovoltaic module.
Further, the firm banking is made using cast iron.
Further, the installation frame is equipped with the buckle for fixing photovoltaic module.
Compared with prior art, the utility model is to solve photovoltaic module ambient temperature fluctuations, causes test result not smart
True problem is provided with air curtain in system, starts air curtain, generates powerful uprush, sends out certain speed and temperature
Tentiform air-flow forms one side invisible " door curtain ", blocks photovoltaic module inside and external air, has both prevented in the test space with outside
Portion carries out hot and cold air exchange, avoids temperature fluctuation, and do not influence the irradiation of light source, guarantees lighting effect, to be effectively ensured
The accuracy of experimental test.In addition, the bracket institution of adjustable-angle is used in system, rotatable photovoltaic module as needed
Or pitch regulation is carried out, change and be irradiated the illumination of coming at a distance, realizes the temperature coefficient test of photovoltaic module under different angle.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model bracket institution；
In figure: bracket institution 1, photovoltaic module 2, air-conditioning 3, wall 4, air curtain 5, temperature sensor 6, firm banking 11,
Support column 12, bolt fastener 13, ball bearing 14, connection frame 15, shaft 16, installation frame 17.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
A kind of high-precision photovoltaic module temperature coefficient test macro, such as Fig. 1 are set in dark room, the test system
System includes carrying out for the bracket institution 1 of fixed placement photovoltaic module 2, the air-conditioning 3 for adjusting temperature and to photovoltaic module 2
The light source (not shown) of irradiation, light source are 3~5m at a distance from photovoltaic module 2, and the upper of photovoltaic module 2 is arranged in air-conditioning
Side, for adjusting the test temperature of photovoltaic module, the air curtain 5 that a row blows vertical tentiform air-flow is arranged in the top in room, branch
Frame mechanism 1, photovoltaic module 2 and air-conditioning 3 are located in the space that the vertical tentiform air-flow that air curtain 5 blows and room are formed.Air curtain
Machine 5, can strong offer isolation uprush, air curtain 5 and side walls 4 using the centrifugal type air curtain machine of adjustable temperature
Between width it is wide, width control between 1.5-2m, that is, avoid width it is excessive cause waste and influence space temperature control,
It avoids width too small again, influences remote source irradiation.It is equipped with temperature sensor 6 in confined space, is used for the domestic temperature of test wrapper.
Such as Fig. 2, adjustable support is can be used in bracket institution 1, including firm banking 11, the support column on firm banking 11
12, set on 12 upper end of support column connection frame 15 and be mounted on connection frame 15 be used for installation photovoltaic component 2 installation frame
17, connection frame 15 is movably installed in 12 upper end of support column, and installation frame 17 is movably installed on connection frame 15.Firm banking 11 is adopted
It is cylinder iron made, weight is big, guarantees stability.Installation frame 17 is equipped with the buckle for fixing photovoltaic module 2, can be by light
Lie prostrate component fixation.
For convenient for adjusting height, support column 12 uses height-adjustable Telescopic rod structure, and it is tight that telescopic rod is equipped with bolt
Firmware 13 is used for fixed height.Connection frame 15 is U-shaped, and ball bearing 14 is arranged between 12 upper end of lower end and support column, can be with
It is rotated.Installation frame 17 is square frame, and installation frame 17 is mounted on connection frame 15 by shaft 16, and is equipped with and is used for
The fastener of 17 position of frame is fixedly mounted, pitch regulation can be carried out to photovoltaic module.For convenient test, test macro is set
There is the PLC controller for controlling air curtain and light source switch, PLC controller connect with temperature sensor 6, can be automated
Process control.
When specific works, photovoltaic module 2 is placed on bracket institution 1, radiation source is opened, adjusts bracket as needed
Angle and fixation irradiate photovoltaic module 2 by light source, then by photovoltaic module connection be used to measure open-circuit voltage, short circuit current,
The voltage instrument of maximum power point electric current, after preparation is carried out, first closes light source.Air curtain 5 is opened, air-conditioning 3 is opened, is adjusted
Temperature in space opens light source, then reads voltage when temperature sensor 6 detects that space temperature reaches testing requirement
The data of table and ammeter complete test.It repeats the above process, measures the performance under the different temperatures of photovoltaic module.
Compared with existing test macro, air curtain is arranged in this system, generates powerful uprush, sends out certain speed and temperature
Spend tentiform air-flow, form one side invisible " door curtain ", block air inside photovoltaic module and external, both prevented in the test space with
Outside carries out hot and cold air exchange, avoids temperature fluctuation, and do not influence the irradiation of light source, guarantees lighting effect, to effectively protect
The accuracy of confirmatory test test.
Claims (10)
1. a kind of high-precision photovoltaic module temperature coefficient test macro, is set in room, which includes for fixing
It places the bracket institution (1) of photovoltaic module (2), the air-conditioning (3) for adjusting temperature and photovoltaic module (2) is irradiated
Light source, the air-conditioning are arranged in the top of photovoltaic module (2),
It is characterized in that, the air curtain (5) that a row blows vertical tentiform air-flow, the bracket institution is arranged in the top in the room
(1), photovoltaic module (2) and air-conditioning (3) are located in the space that air curtain (5) and room are formed.
2. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 1, which is characterized in that the wind
Curtain machine (5) uses the centrifugal type air curtain machine of adjustable temperature.
3. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 1, which is characterized in that the wind
The width of curtain machine (5) is in 1.5-2m.
4. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 1, which is characterized in that the branch
Frame mechanism (1) includes firm banking (11), the support column (12) being set on firm banking (11), is set to support column (12) upper end
Connection frame (15) and be mounted on connection frame (15) be used for installation photovoltaic component (2) installation frame (17), the connection frame
(15) it is movably installed in support column (12) upper end, the installation frame (17) is movably installed on connection frame (15).
5. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 4, which is characterized in that the branch
Dagger (12) uses height-adjustable Telescopic rod structure, and the telescopic rod is equipped with bolt fastener (13).
6. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 4, which is characterized in that the company
It is U-shaped to connect frame (15), ball bearing (14) are set between lower end and support column (12) upper end.
7. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 4, which is characterized in that the peace
Frame (17) are framed up as square frame, the installation frame (17) is mounted on connection frame (15) by shaft (16), and is equipped with and is used
In the fastener that frame (17) position is fixedly mounted.
8. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 1, which is characterized in that the test
Temperature sensor (6) are equipped in system space.
9. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 8, which is characterized in that the survey
Test system is equipped with the PLC controller for controlling air curtain (5) and light source switch, the PLC controller and the temperature sensing
Device (6) connection.
10. a kind of high-precision photovoltaic module temperature coefficient test macro according to claim 1, which is characterized in that described
Light source is 3~5m at a distance from photovoltaic module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821003064.7U CN208572036U (en) | 2018-06-27 | 2018-06-27 | A kind of high-precision photovoltaic module temperature coefficient test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821003064.7U CN208572036U (en) | 2018-06-27 | 2018-06-27 | A kind of high-precision photovoltaic module temperature coefficient test macro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208572036U true CN208572036U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821003064.7U Active CN208572036U (en) | 2018-06-27 | 2018-06-27 | A kind of high-precision photovoltaic module temperature coefficient test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736831A (en) * | 2018-06-27 | 2018-11-02 | 莱茵技术（上海）有限公司 | A kind of high-precision photovoltaic module temperature coefficient test system |
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2018
- 2018-06-27 CN CN201821003064.7U patent/CN208572036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736831A (en) * | 2018-06-27 | 2018-11-02 | 莱茵技术（上海）有限公司 | A kind of high-precision photovoltaic module temperature coefficient test system |
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