CN204859112U - Novel test of photovoltaic square matrix device - Google Patents
Novel test of photovoltaic square matrix device Download PDFInfo
- Publication number
- CN204859112U CN204859112U CN201520576624.8U CN201520576624U CN204859112U CN 204859112 U CN204859112 U CN 204859112U CN 201520576624 U CN201520576624 U CN 201520576624U CN 204859112 U CN204859112 U CN 204859112U
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- display screen
- voltage
- sample display
- 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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- Photovoltaic Devices (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The utility model discloses a novel test of photovoltaic square matrix device, including photovoltaic array LCD screen, voltage sample display screen, current sample display screen, S1 signal control switch, S2 signal control switch, switch and box, square photovoltaic array LCD screen is installed to box upper surface left side upper end, the right side of photovoltaic array LCD screen is provided with voltage sample display screen and current sample display screen respectively, and voltage sample display screen lower extreme electric connection has 4 voltage control buttons, and current sample display screen lower extreme electric connection has 4 electric current adjustment button, the downside of box upper surface is provided with S1 signal control switch, S2 signal control switch and switch respectively, power and condenser are still installed to the inside of box. This novel test of photovoltaic square matrix device, the voltage and the current characteristics that come out the sampling come out through photovoltaic array liquid crystal display, and its structural design is novel, and the practicality is strong.
Description
Technical field
The utility model relates to photovoltaic plant and detects applied technical field, especially a kind of Novel photovoltaic square formation testing apparatus.
Background technology
Check and accept after having to pass through strict detection before photovoltaic plant puts into operation, national GBT18210-2000 " in-site measurement of crystalline silicon photovoltaic (PV) square formation I-V characteristic " gives corresponding technical requirement.In 20 years after putting into operation, power station operator is also wanted constantly to test the I-V characteristic of each subarray of photovoltaic plant, and looking up the fault hidden danger, so that regular maintenance and maintenance.
And Novel photovoltaic square formation testing apparatus has been successfully applied to photovoltaic plant examination, photo-voltaic power generation station prison has been made, and annual test, the photo-voltaic power generation station regular maintenance of photovoltaic generating system detect.Shi Jianheng authentication center is applied to unique appointment testing tool of photovoltaic plant gold sun certification, and its structure is simple, uses the features such as convenient, flexible, is widely used in the every field that photovoltaic generation detects.
Prior art is difficult to the productive life needs meeting people, in order to solve above-mentioned Problems existing, the utility model proposes a kind of Novel photovoltaic square formation testing apparatus.
For realizing this technical purpose, the technical solution adopted in the utility model is: a kind of Novel photovoltaic square formation testing apparatus, comprises Photovoltaic array liquid crystal display screen, voltage sample display screen, current sample display screen, S1 Signal-controlled switch, S2 Signal-controlled switch, mains switch and casing; On the left of described casing upper surface, upper end is provided with square Photovoltaic array liquid crystal display screen; The right side of described Photovoltaic array liquid crystal display screen is respectively arranged with voltage sample display screen and current sample display screen, and voltage sample display screen lower end is electrically connected with 4 voltage-regulation buttons, and current sample display screen lower end is electrically connected with 4 Current adjustment buttons; The downside of described casing upper surface is respectively arranged with S1 Signal-controlled switch, S2 Signal-controlled switch and mains switch; The inside of described casing is also provided with power supply and capacitor.
As further technical scheme of the present utility model: described Photovoltaic array liquid crystal display screen, voltage sample display screen and current sample display screen all pass through Power supply.
Further, described S2 Signal-controlled switch control signal goes switch S 2 is closed, and by the power resistor R of box house, electric quantity consumption remaining on capacitor is fallen, makes the capacitance of capacitor keep zero initial state; S1 Signal-controlled switch control signal goes to make switch S 1 to close, and the voltage simultaneously on control voltage sampling display screen and current sample display screen, current sampling circuit are sampled to the voltage of the whole process of capacitor charging, electric current by suitable sample rate.
Further, the image of described Photovoltaic array liquid crystal display screen is shown in graph form by the voltage on voltage sample display screen and current sample display screen, current characteristics.
Compared with prior art, the utility model has following beneficial effect: this Novel photovoltaic square formation testing apparatus, S2 Signal-controlled switch control signal is utilized to go switch S 2 is closed, by the power resistor R of box house, electric quantity consumption remaining on capacitor is fallen, make the capacitance of capacitor keep zero initial state; S1 Signal-controlled switch control signal goes switch S 1 is closed, voltage simultaneously on control voltage sampling display screen and current sample display screen, current sampling circuit are sampled to the voltage of the whole process of capacitor charging, electric current by suitable sample rate, sampling voltage and current characteristic is out shown by Photovoltaic array liquid crystal display screen, its novel in structural design, practical.
Utility model content
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is photovoltaic array voltage-current characteristic fundamental diagram of the present utility model.
In figure: 1 Photovoltaic array liquid crystal display screen, 2 voltage sample display screens, 21 voltage-regulation buttons, 3 current sample display screens, 31 Current adjustment buttons, 4S1 Signal-controlled switch, 5S2 Signal-controlled switch, 6 mains switches, 7 casings, 8 power supplys and 9 capacitors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Figure of description 1-2, in the utility model embodiment, a kind of Novel photovoltaic square formation testing apparatus, comprises Photovoltaic array liquid crystal display screen 1, voltage sample display screen 2, current sample display screen 3, S1 Signal-controlled switch 4, S2 Signal-controlled switch 5, mains switch 6 and casing 7; On the left of described casing 7 upper surface, upper end is provided with square Photovoltaic array liquid crystal display screen 1; The right side of described Photovoltaic array liquid crystal display screen 1 is respectively arranged with voltage sample display screen 2 and current sample display screen 3, voltage sample display screen 2 lower end is electrically connected with 4 voltage-regulation buttons 21, and current sample display screen 3 lower end is electrically connected with 4 Current adjustment buttons 31; The downside of described casing 7 upper surface is respectively arranged with S1 Signal-controlled switch 4, S2 Signal-controlled switch 5 and mains switch 6; The inside of described casing 7 is also provided with power supply 8 and capacitor 9.
As further technical scheme of the present utility model: described Photovoltaic array liquid crystal display screen 1, voltage sample display screen 2 and current sample display screen 3 are all powered by power supply 8.
Further, described S2 Signal-controlled switch 5 control signal goes switch S 2 is closed, and by the power resistor R of casing 7 inside, electric quantity consumption remaining on capacitor 9 is fallen, makes the capacitance of capacitor 9 keep zero initial state; S1 Signal-controlled switch 4 control signal goes to make switch S 1 to close, and the voltage simultaneously on control voltage sampling display screen 2 and current sample display screen 3, current sampling circuit are sampled to the voltage of the whole process of capacitor charging, electric current by suitable sample rate.
Further, the image of described Photovoltaic array liquid crystal display screen 1 is shown in graph form by the voltage on voltage sample display screen 2 and current sample display screen 3, current characteristics.
The utility model use principle: S2 Signal-controlled switch 5 control signal goes switch S 2 is closed, and by the power resistor R of casing 7 inside, electric quantity consumption remaining on capacitor 9 is fallen, makes the capacitance of capacitor 9 keep zero initial state; S1 Signal-controlled switch 4 control signal goes to make switch S 1 to close, and the voltage simultaneously on control voltage sampling display screen 2 and current sample display screen 3, current sampling circuit are sampled to the voltage of the whole process of capacitor charging, electric current by suitable sample rate.
Novel photovoltaic square formation testing apparatus casing 7 is built-in with the dedicated capacitor of the discharge and recharge meeting high-power, high voltage, timeconstantτ accurate Calculation, dynamic capacity charging on-the-spot test method is the characteristic according to electric capacity, by the variable load of built-in capacitor as photovoltaic array, by carrying out electric current and voltage sample to photovoltaic array to the whole process of capacitor charging, testing and processing data into the volt-ampere characteristic of photovoltaic array with special-purpose software.
To those skilled in the art, but the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection range that all should be included in technical solutions of the utility model.
Claims (4)
1. a Novel photovoltaic square formation testing apparatus, comprises Photovoltaic array liquid crystal display screen (1), voltage sample display screen (2), current sample display screen (3), S1 Signal-controlled switch (4), S2 Signal-controlled switch (5), mains switch (6) and casing (7); It is characterized in that: on the left of described casing (7) upper surface, upper end is provided with square Photovoltaic array liquid crystal display screen (1); The right side of described Photovoltaic array liquid crystal display screen (1) is respectively arranged with voltage sample display screen (2) and current sample display screen (3), voltage sample display screen (2) lower end is electrically connected with 4 voltage-regulation buttons (21), and current sample display screen (3) lower end is electrically connected with 4 Current adjustment buttons (31); The downside of described casing (7) upper surface is respectively arranged with S1 Signal-controlled switch (4), S2 Signal-controlled switch (5) and mains switch (6); The inside of described casing (7) is also provided with power supply (8) and capacitor (9).
2. a kind of Novel photovoltaic square formation testing apparatus according to claim 1, is characterized in that: described Photovoltaic array liquid crystal display screen (1), voltage sample display screen (2) and current sample display screen (3) are all powered by power supply (8).
3. a kind of Novel photovoltaic square formation testing apparatus according to claim 1, it is characterized in that: described S2 Signal-controlled switch (5) control signal goes switch S 2 is closed, the power resistor R inner by casing (7) falls upper for capacitor (9) remaining electric quantity consumption, makes the capacitance of capacitor (9) keep zero initial state; S1 Signal-controlled switch (4) control signal goes to make switch S 1 to close, and the voltage simultaneously on control voltage sampling display screen (2) and current sample display screen (3), current sampling circuit are sampled to the voltage of the whole process of capacitor charging, electric current by suitable sample rate.
4. a kind of Novel photovoltaic square formation testing apparatus according to claim 1, is characterized in that: the image of described Photovoltaic array liquid crystal display screen (1) is shown in graph form by the voltage on voltage sample display screen (2) and current sample display screen (3), current characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576624.8U CN204859112U (en) | 2015-07-31 | 2015-07-31 | Novel test of photovoltaic square matrix device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576624.8U CN204859112U (en) | 2015-07-31 | 2015-07-31 | Novel test of photovoltaic square matrix device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859112U true CN204859112U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520576624.8U Expired - Fee Related CN204859112U (en) | 2015-07-31 | 2015-07-31 | Novel test of photovoltaic square matrix device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204859112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123679A (en) * | 2017-12-14 | 2018-06-05 | 中国电子科技集团公司第四十研究所 | A kind of adaptive range photovoltaic module rapid test device based on combination capacitor |
| CN108832894A (en) * | 2018-06-21 | 2018-11-16 | 阳光电源股份有限公司 | Photovoltaic module output characteristic curve obtains circuit, method and photovoltaic generating system |
-
2015
- 2015-07-31 CN CN201520576624.8U patent/CN204859112U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123679A (en) * | 2017-12-14 | 2018-06-05 | 中国电子科技集团公司第四十研究所 | A kind of adaptive range photovoltaic module rapid test device based on combination capacitor |
| CN108832894A (en) * | 2018-06-21 | 2018-11-16 | 阳光电源股份有限公司 | Photovoltaic module output characteristic curve obtains circuit, method and photovoltaic generating system |
| CN108832894B (en) * | 2018-06-21 | 2020-05-22 | 阳光电源股份有限公司 | Photovoltaic module output characteristic curve acquisition circuit and method and photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160731 |