CN204465458U - A kind of hot spot testing apparatus - Google Patents
A kind of hot spot testing apparatus Download PDFInfo
- Publication number
- CN204465458U CN204465458U CN201420847015.7U CN201420847015U CN204465458U CN 204465458 U CN204465458 U CN 204465458U CN 201420847015 U CN201420847015 U CN 201420847015U CN 204465458 U CN204465458 U CN 204465458U
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- China
- Prior art keywords
- light source
- mesuring battary
- hot spot
- circuit
- testing apparatus
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000004519 grease Substances 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 238000013461 design Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model discloses a kind of hot spot testing apparatus based on UL standard, comprise testing light source, photovoltaic module to be measured, heat sensor, infrared lamp and DC circuit, it is characterized in that: using integrated to LED integrated optical source, fin and radiator fan rear as testing light source, described LED integrated optical source is pasted onto on described fin by thermal grease, side adds described radiator fan on a heat sink; Described photovoltaic module has three pieces of preset mesuring battaries, and described mesuring battary adopts described DC circuit to power; Described testing light source is placed in above described photovoltaic module to be measured, for irradiating described mesuring battary; Described infrared lamp is placed in below described mesuring battary, as the heating source of mesuring battary; Described heat sensor is connected with described mesuring battary, for monitoring the temperature of described mesuring battary.Disclosed in the utility model, hot spot testing apparatus is cheap, and light source heat radiation performance is good, simultaneously simple and practical and have and operate advantage easily.
Description
Technical field
The utility model belongs to solar cell properties field tests, relates in particular to a kind of hot spot testing apparatus based on UL standard.
Background technology
Cause the customer complaint of component failures always more because of solar cell hot spot reason in recent years, and the test of solar cell hot spot just seem particularly important.With regard to the relative IEC standard of UL1703 standard, more harsh to the requirement of hot spot test, also more can simulate the most harsh condition.Although UL provides complete method of testing, this method of operation is complicated, the more important thing is that a complete set of testing apparatus and equipment are difficult to realize, crucial parts and requiring:
1. testing light source: for providing mesuring battary sheet light energy, to produce photo-generated carrier, provides solar cell to reach the photo-generated carrier of test condition;
2. heating source: the mesuring battary on heating component, the nominal operation battery temperature NOCT (nominal operating temperature) when making mesuring battary reach test;
3. the spacing of assembly and testing light source is adjustable, and position is adjustable, to meet the parameter adjustment of (100 hours) in test process;
4. in test process, the current/voltage of cell piece adjusts and fine setting;
For photovoltaic module manufacturer, the checking of assembly hot spot should meet standard, meets above key request again.And develop on this basis a set of simple and practical, be easy to realize testing apparatus with meet material import, quality management and control and research and development testing requirement be quite difficulty, the equipment also without these the whole series on market can for purchasing.
In order to an above-mentioned difficult problem can be solved, for photovoltaic module manufacturer, how to develop in inside the hot spot tolerance that a kind of device is used for studying assembly, and then reduction hot spot harm of taking measures has larger practical significance.
Utility model content
In order to solve above-mentioned defect of the prior art, the utility model provide a kind of simple and practical, be easy to realize testing apparatus, concrete, provide a kind of hot spot testing apparatus, comprise testing light source, photovoltaic module to be measured, heat sensor, infrared lamp and DC circuit, is characterized in that:
Using integrated to LED integrated optical source, fin and radiator fan rear as testing light source, described LED integrated optical source is pasted onto on described fin by thermal grease, and side adds described radiator fan on a heat sink;
Described photovoltaic module has three pieces of preset mesuring battaries, and described mesuring battary adopts described DC circuit to power;
Described testing light source is placed in above described photovoltaic module to be measured, for irradiating described mesuring battary;
Described infrared lamp is placed in below described mesuring battary, as the heating source of mesuring battary;
Described heat sensor is connected with described mesuring battary, for monitoring the temperature of described mesuring battary.
According to an aspect of the present utility model, series current table in the described DC circuit in described hot spot testing apparatus, shunt voltage table.
According to an aspect of the present utility model, use DC circuit to drive described LED integrated optical source in described hot spot testing apparatus, described LED integrated optical source power is 100W.
According to an aspect of the present utility model, the patten's design that the described testing light source in described hot spot testing apparatus adopts feed screw nut to coordinate, regulates for providing the light source of top to bottom, left and right, front and rear three degree of freedom.
According to an aspect of the present utility model, adopt electric control circuit automatically to control the shutoff of described testing light source in described hot spot testing apparatus, in described circuit, be arranged in series time switch.
Above-mentioned hot spot testing apparatus described in the utility model is adopted to have important practical significance and outstanding feature:
The first, overall cost is lower, and all zero devices all can be purchased in local electronic market or dynamo-electric market;
Secondary light source heat radiation is good, and owing to have employed fin+radiator fan compound mode, well solve the heat dissipation problem of LED light source, thus light source has the feature of long service life;
3rd, this device is simple and practical, easy to operate, is beneficial to popularization! The method that the particularly employing of light source, the design of structure and control light source cut-off, the adjustment of the electrical quantity of battery and display etc., effect and efficiency all meet standard-required, have certain generalization.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
The structural representation of an embodiment of the hot spot testing apparatus provided according to the utility model is provided;
The structural representation of testing light source described in the hot plate testing apparatus that provides according to the utility model is provided.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.It should be noted that parts illustrated in the accompanying drawings are not necessarily drawn in proportion.The utility model eliminates the description of known assemblies and treatment technology and process to avoid unnecessarily limiting the utility model.
With reference to figure 1, Figure 1 shows that the structural representation of an embodiment of the hot spot testing apparatus provided according to the utility model, as shown in Figure 1, described hot spot testing apparatus 100 comprises testing light source LED L1, LED L2 and LED L3 (hereinafter referring to testing light source with LED Ln), photovoltaic module 104 to be measured, heat sensor 101-103, infrared lamp IR1-IR3 and DC circuit, first by LED chip (LED lamp bead is a part in other words conj.or perhaps Rotating fields wherein of this chip), fin and radiator fan (not shown) integrated rear as testing light source LED Ln, described LED integrated optical source is pasted onto on described fin by thermal grease, side adds described radiator fan on a heat sink, three forms described testing light source LED Ln jointly.Preferably, use DC circuit to drive described LED integrated optical source in described testing light source LED Ln, described LED integrated optical source power is 100W.Be more preferably, electric control circuit is adopted automatically to control the shutoff of described testing light source LED Ln in described hot spot testing apparatus 100, time switch (not shown) has been arranged in series in described circuit, described electric control circuit mainly controls the shutoff of testing light source LED Ln automatically, use time switch series connection in circuit, set suitable opening, break time, just can automatically start and turn off circuit, thus ensure that mesuring battary temperature drops to after within 10 DEG C of ambient temperature, can power-on again, light source heats one hour, until accumulation cycle heats 100 hours, under normal circumstances, testing light source heats one hour, close half an hour, circulation renews, accumulative circulating-heating can be ensured.Wherein, in shown LED light source, LED L1 provides illumination for the highest battery of Rsh, and LED L2 provides illumination for Rsh average cell, and LED L3 provides illumination for the minimum battery of Rsh.
Described photovoltaic module 104 has preset three pieces of mesuring battaries (being black bars part shown in figure), described mesuring battary adopts DC circuit to power, the ammeter A connected in described DC circuit has been shown in Fig. 1, shunt voltage Table V and power supply 1#--3#, described voltmeter A and ammeter V shows the electrical quantity on mesuring battary in real time, is convenient to real-time fine setting and the display of test parameter.Wherein, in shown DC power supply, 1# provides electric current for the highest battery of Rsh, and 2# provides electric current for Rsh average cell, and 3# provides electric current for the minimum battery of Rsh.
By the technical scheme of foregoing description, select the higher 100W high power LED integrated light source of colour temperature as testing light source, use DC power supply Direct driver LED integrated optical source; The spectrum that LED integrated optical source sends is partially blue, and photon energy is large, can meet solar cell and produce enough photo-generated carriers to reach current condition during hot spot test; Simultaneously, heat dissipating silicone grease is used described LED integrated optical source to be pasted on a heat sink, and side installs high-power heat-dissipation fan additional on a heat sink, testing light source integrated is like this ideal through trial run effect, fin surface temperature is no more than 50 DEG C, and LED lamp bead can reach theoretical life-span 50000h substantially, the light source requirements that hot spot is tested for a long time can be met completely.
Described testing light source LED Ln is placed in above described photovoltaic module to be measured 104, for irradiating described mesuring battary (being black bars part shown in figure);
Described infrared lamp IR L1-IR L3 is placed in below described mesuring battary, as the heating source of mesuring battary, usually, described infrared lamp is low-power light source, and due to the spectrum of infrared light supply be far red light, heating function is better, and solar cell does not produce response to infrared light simultaneously, therefore without other influences.Wherein, in shown infrared lamp light source, shown IR L1 is the highest battery of infrared heating Rsh, and shown IR L2 is infrared heating Rsh average cell, and shown IR L3 is the minimum battery of infrared heating Rsh.
Described heat sensor 101-103 is connected with described mesuring battary, for temperature and the change thereof of mesuring battary described in real-time or periodic monitor.
With reference to figure 2, Figure 2 shows that the structural representation of testing light source 200 described in the hot plate testing apparatus that provides according to the utility model.Concrete, the described testing light source in Fig. 2 comprises three parts: LED integrated optical source 201, fin 202 and radiator fan 203, and described LED integrated optical source is the LED lamp bead group be made up of multiple LED lamp bead bottom, for providing light source; Described LED integrated optical source is pasted onto on described fin 202 by thermal grease, adds described radiator fan 203 above fin 202; Three parts integrabilities are formed or integration is formed to form described testing light source 200.Under normal circumstances, described LED integrated optical source 201 utilizes traditional processing and manufacturing mode to be formed, and (namely integrated lamp bulb uses silica gel packaging to be fixed on support, support is connected on aluminum board, and aluminum board can be pasted by thermal grease and described fin and is connected, not shown), described LED chip 201 can be 3 × 3 arrangement modes, also can be other arrangement modes, namely LED chip 201 can multiple or many groups use simultaneously.Preferably, use DC circuit to drive described LED integrated optical source in described testing light source 200, described LED integrated optical source power is 100W.Being more preferably, the patten's design that the described testing light source 200 in hot spot testing apparatus adopts feed screw nut to coordinate, for providing the light source of top to bottom, left and right, front and rear three degree of freedom to regulate, considerably increasing convenience and the controllability of light source use.
Although describe in detail about example embodiment and advantage thereof, being to be understood that when not departing from the protection range of spirit of the present utility model and claims restriction, various change, substitutions and modifications can being carried out to these embodiments.For other examples, those of ordinary skill in the art should easy understand in maintenance the utility model protection range while, the order of processing step can change.
Claims (5)
1. a hot spot testing apparatus, comprises testing light source, photovoltaic module to be measured, heat sensor, and infrared lamp and DC circuit, is characterized in that:
Using integrated to LED integrated optical source, fin and radiator fan rear as testing light source, described LED integrated optical source is pasted onto on described fin by thermal grease, and side adds described radiator fan on a heat sink;
Described photovoltaic module has three pieces of preset mesuring battaries, and described mesuring battary adopts described DC circuit to power;
Described testing light source is placed in above described photovoltaic module to be measured, for irradiating described mesuring battary;
Described infrared lamp is placed in below described mesuring battary, as the heating source of mesuring battary;
Described heat sensor is connected with described mesuring battary, for monitoring the temperature of described mesuring battary.
2. hot spot testing apparatus according to claim 1, is characterized in that, series current table in described DC circuit, shunt voltage table.
3. hot spot testing apparatus according to claim 1, is characterized in that, use DC circuit to drive described LED integrated optical source, described LED integrated optical source power is 100W.
4. the hot spot testing apparatus according to claim 1-3 any one, is characterized in that, the patten's design that described testing light source adopts feed screw nut to coordinate, and regulates for providing the light source of top to bottom, left and right, front and rear three degree of freedom.
5. the hot spot testing apparatus according to claim 1-3 any one, is characterized in that, adopts electric control circuit automatically to control the shutoff of described testing light source, has been arranged in series time switch in described circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847015.7U CN204465458U (en) | 2014-12-26 | 2014-12-26 | A kind of hot spot testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847015.7U CN204465458U (en) | 2014-12-26 | 2014-12-26 | A kind of hot spot testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204465458U true CN204465458U (en) | 2015-07-08 |
Family
ID=53672279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420847015.7U Active CN204465458U (en) | 2014-12-26 | 2014-12-26 | A kind of hot spot testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204465458U (en) |
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2014
- 2014-12-26 CN CN201420847015.7U patent/CN204465458U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 310053 No. 1335 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: CHINT SOLAR (ZHEJIANG) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee before: Zhengtai Xinneng Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |