CN207896934U - A kind of component generated energy contrast test device - Google Patents
A kind of component generated energy contrast test device Download PDFInfo
- Publication number
- CN207896934U CN207896934U CN201820208723.4U CN201820208723U CN207896934U CN 207896934 U CN207896934 U CN 207896934U CN 201820208723 U CN201820208723 U CN 201820208723U CN 207896934 U CN207896934 U CN 207896934U
- Authority
- CN
- China
- Prior art keywords
- generated energy
- contrast test
- component generated
- test device
- energy contrast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of component generated energy contrast test device, detect the generated energy of corresponding number photovoltaic module in real time by multiple power detection devices, and exported by detection output, it realizes the real-time detection for multiple photovoltaic module generated energy, improves measurement accuracy compared with prior art；Also, the number of power detection device is less than preset value, reduces detection range, and then reduce testing cost compared with prior art.
Description
Technical field
The utility model is related to technical field of photovoltaic power generation, more particularly to a kind of component generated energy contrast test device.
Background technology
Photovoltaic plant mainly has the electrical equipments such as photovoltaic module, inverter, case change and assembly support to constitute, whole power station
Generated energy and photovoltaic module there is prodigious relationship, the generating effect of photovoltaic module to directly influence the power generation total amount in power station, institute
To select more good photovoltaic module that can greatly improve the overall efficiency in power station.
Factor due to influencing photovoltaic module generating effect is not only the type and specification of photovoltaic module, in different geographical
Under different environment, the generating effect of same a photovoltaic module also has very big difference；Therefore, in order to choose suitable photovoltaic group
Part is general in the prior art to carry out type selecting using the professional equipment that survey generated energy.
And the mode that the principle that these professional equipments are taken all is intermittent sampling site obtains data point, draws data trend
Then figure obtains generated energy by formula integral, the not high scene of some precision can only be met since deviation is larger.Also, this
For a little professional equipments in order to realize large range of test, cost is often higher, and a test equipment probably needs 300,000 or so.
Utility model content
The utility model provides a kind of component generated energy contrast test device, to solve of high cost in the prior art and precision
Low problem.
To achieve the above object, technical solution provided by the present application is as follows：
A kind of component generated energy contrast test device, including：Shell, inverter and N number of power detection device, N are more than 1
And less than the positive integer of preset value；Wherein：
The inverter may be contained within the enclosure interior with N number of power detection device；
The input terminal of N number of power detection device is N number of defeated respectively as the component generated energy contrast test device
Enter proper pole, be connected with the anode of corresponding photovoltaic module；
The output end of N number of power detection device is connected with the DC side anode of the inverter respectively；
The ground terminal of N number of power detection device is connected with the DC side cathode of the inverter respectively, and as institute
State N number of input cathode, the cathode phase for the photovoltaic module being connect with itself input terminal of component generated energy contrast test device
Even；
The signal end of N number of power detection device is defeated as N number of detection of the component generated energy contrast test device
Outlet；
Power take-off of the exchange side of the inverter as the component generated energy contrast test device, with grid-connected electricity
Source is connected.
Preferably, the power detection device includes：Current sampling device and DC meter；Wherein：
The input terminal of the current sampling device is the input terminal of the power detection device；
The output end of the current sampling device is the output end of the power detection device；
The input terminal and output end of the current sampling device are connected with the current sampling port of the DC meter respectively；
The voltage sampling port of the DC meter is the ground terminal of the power detection device；
The output end of the DC meter is the signal end of the power detection device.
Preferably, the current sampling device is current divider.
Preferably, further include：Wrap up the waterproof electric meter box of the DC meter.
Preferably, the shell is waterproofing protection case, and the waterproofing protection case corresponds on the position of the DC meter
It is provided with tempered glass window.
Preferably, further include：It is set to power take-off, the N number of input terminal of the component generated energy contrast test device
The waterproof terminal of anode and cathode and N number of detection output.
Preferably, the feeder ear of the DC meter is connected with the grid power source.
Preferably, 2 N, the inverter are Miniature inverter.
Preferably, N number of detection output of the component generated energy contrast test device, by 485 Serial Port Lines with it is upper
Machine is connected.
Component generated energy contrast test device provided by the utility model passes through the detection pair in real time of multiple power detection devices
The generated energy of number photovoltaic module is answered, and is exported by detection output, is realized for the real-time of multiple photovoltaic module generated energy
Detection, improves measurement accuracy compared with prior art；Also, the number of power detection device is less than preset value, reduces detection
Range, and then testing cost is reduced compared with prior art.
Description of the drawings
It, below will be to embodiment in order to illustrate more clearly of the technical solution in the utility model embodiment or the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, interior attached drawing is described below only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the component generated energy contrast test device that the utility model embodiment provides；
Fig. 2 is the connection diagram for the component generated energy contrast test device that the utility model embodiment provides；
Fig. 3 is the internal structure chart for the component generated energy contrast test device that another embodiment of the utility model provides.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall in the protection scope of this application.
The utility model provides a kind of component generated energy contrast test device, to solve of high cost in the prior art and precision
Low problem.
Specifically, referring to Fig. 1, which includes：Shell, inverter 102 and N number of power
Detection device 101, N are the positive integer more than 1 and less than preset value；Wherein：
Inverter 102 may be contained within enclosure interior with N number of power detection device 101；
The input terminal of N number of power detection device 101 is rectified respectively as N number of input of component generated energy contrast test device
Pole is connected with the anode of corresponding photovoltaic module；
The output end of N number of power detection device 101 is connected with the DC side anode of inverter 102 respectively；
The ground terminal of N number of power detection device 101 is connected with the DC side cathode of inverter 102 respectively, and as component
N number of input cathode of generated energy contrast test device, the cathode for the photovoltaic module being connect with itself input terminal are connected；
N number of detection output of the signal end of N number of power detection device 101 as component generated energy contrast test device；
Power take-off of the exchange side of inverter 102 as component generated energy contrast test device, with grid power source phase
Even.Preferably, which is AC220V power supplys.
Preferably, 2 N, inverter 102 are Miniature inverter.Certainly, N can also take other values, such as 3, specific depending on it
Depending on application environment, the type selecting of inverter 102 will also become therewith, be not especially limited herein, as long as can be targeted
The scheme tested of the generated energy to different photovoltaic modulies within the scope of protection of this application.
Preferably, N number of detection output of component generated energy contrast test device, passes through 485 Serial Port Lines and host computer phase
Even.
Fig. 1 is shown by taking N=2 as an example, and Fig. 2 is to carry out group when generated energy contrast test is tested to two pieces of photovoltaic modulies
The connection diagram of part generated energy contrast test device；The explanation of concrete operating principle is carried out by taking N=2 as an example below：
When carrying out generated energy contrast test, it is only necessary to which drawn the component generated energy contrast test device two are defeated
Enter end to be connected on respectively on two pieces of corresponding photovoltaic modulies, it is ensured that after connection is correct, connect the component generated energy contrast test device
Logical AC220V power supplys, integral device can normal operation.
It, can be directly real-time simultaneously by two power detection devices 101 in the component generated energy contrast test device
The generated energy of two pieces of photovoltaic modulies is accurately measured, and host computer is uploaded to by 485 Serial Port Lines, it is then direct by host computer
It checks the generated energy of two pieces of photovoltaic modulies, and stores the data on host computer.
The component generated energy contrast test device provided in this embodiment is examined in real time by multiple power detection devices 101
The generated energy of corresponding number photovoltaic module is surveyed, and is exported by detection output, is realized for multiple photovoltaic module generated energy
Detection in real time, the data tested are real time data, and error is very small, improves measurement accuracy compared with prior art；Also,
The number of power detection device 101 be less than preset value, reduce detection range, so compared with prior art reduce detection at
This.
It is worth noting that the professional equipment of generated energy can be surveyed in the prior art, since test scope is wide, it is also necessary to dissipate
Heat, therefore indoor environment is can be only applied to, and usually there is shadow occlusion, dim light screening in the environment that photovoltaic module is really applied
The factor that gear, temperature loss, filthy loss etc. have an impact generating effect, also just further increase test result with
Deviation between actual conditions.
And the component generated energy contrast test device provided in this embodiment, the heat generated in test process is very
Small, the tooling that can make sealing completely is tested, and outdoor adverse circumstances are adapted to, and improves the reliability of test result.
Another embodiment of the utility model additionally provides a kind of specific component generated energy contrast test device, in above-mentioned reality
On the basis for applying example and Fig. 1, it is preferred that referring to Fig. 3, power detection device 101 includes：Current sampling device 111 and direct current
Ammeter 112；Wherein：
The input terminal of current sampling device 111 is the input terminal of power detection device 101；
The output end of current sampling device 111 is the output end of power detection device 101；
The input terminal and output end of current sampling device 111 are connected with the current sampling port of DC meter 112 respectively；
The voltage sampling port of DC meter 112 is the ground terminal of power detection device 101；
The output end of DC meter 112 is the signal end of power detection device 101.
Preferably, current sampling device 111 is current divider.
Preferably, the feeder ear of DC meter 112 is connected with grid power source.
DC meter 112 can directly display data, convenient for observation, the component generated energy contrast test device can be made to answer
For not having in the environment of host computer；If desired it monitors the generated energy comparison of each photovoltaic module in real time and saves historical data
When, reusable 485 Serial Port Line uploads to host computer.
As shown in figure 3, the resistance value R of current divider is milliohm rank, series connection in circuit, compares the component generated energy and surveys
Trial assembly is set the loop current value I formed with photovoltaic module and is almost no impact.Direct current table 112 acquires current divider both ends
Voltage value U1, the current value I obtained according to Ohm's law I=U/R, this current value are the current value I of major loop, that is, light
Lie prostrate electric current when component operation.DC meter 112 is by and on the positive and negative anodes of photovoltaic module, can directly collecting photovoltaic group
Voltage value U when part works, the overall power generation of photovoltaic module in any time period can be directly calculated according to P=UI and W=Pt
Amount, can also directly measure the generated output at certain a moment.
In the present embodiment, which passes through product by measuring electric current and voltage value in real time
Point, total generated energy is calculated, data are very accurate, it is analytical to have, and can adapt to very rigorous experiment.
Another embodiment of the utility model additionally provides a kind of specific component generated energy contrast test device, in above-mentioned reality
On the basis for applying example and Fig. 1, it is preferred that the component generated energy contrast test device further includes：Wrap up the anti-of DC meter 112
Water power watchcase.
Preferably, shell is waterproofing protection case, and the waterproofing protection case is corresponded to and is provided on the position of the DC meter
Tempered glass window.By the tempered glass window on the waterproofing protection case, the data of DC meter 112 can be directly observed.
Preferably, which further includes：It is set to component generated energy contrast test device
The waterproof terminal of power take-off, N number of input anode and cathode and N number of detection output.
In order to make the component generated energy contrast test device can adapt to outdoor adverse circumstances, component generated energy comparison is surveyed
Trial assembly, which is set, should also have water-proof function, therefore in the present embodiment, be generated electricity for the component by waterproofing protection case and waterproof terminal
It measures contrast test device and realizes exterior protection, and be that DC meter 112 provides further waterproofing protection by waterproof electric meter box.
Remaining structure and principle are same as the previously described embodiments, no longer repeat one by one herein.
Each embodiment is described by the way of progressive in the utility model, the highlights of each of the examples are with its
The difference of his embodiment, just to refer each other for identical similar portion between each embodiment.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solutions of the utility model, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modifications, equivalents, and modifications that upper embodiment is done still fall within the model of technical solutions of the utility model protection
In enclosing.
Claims (9)
1. a kind of component generated energy contrast test device, which is characterized in that including：Shell, inverter and N number of power detection dress
It sets, N is the positive integer more than 1 and less than preset value；Wherein：
The inverter may be contained within the enclosure interior with N number of power detection device；
N number of input terminal of the input terminal of N number of power detection device respectively as the component generated energy contrast test device
Anode is connected with the anode of corresponding photovoltaic module；
The output end of N number of power detection device is connected with the DC side anode of the inverter respectively；
The ground terminal of N number of power detection device is connected with the DC side cathode of the inverter respectively, and as described group
N number of input cathode of part generated energy contrast test device, the cathode for the photovoltaic module being connect with itself input terminal are connected；
N number of detection output of the signal end of N number of power detection device as the component generated energy contrast test device；
Power take-off of the exchange side of the inverter as the component generated energy contrast test device, with grid power source phase
Even.
2. component generated energy contrast test device according to claim 1, which is characterized in that the power detection device packet
It includes：Current sampling device and DC meter；Wherein：
The input terminal of the current sampling device is the input terminal of the power detection device；
The output end of the current sampling device is the output end of the power detection device；
The input terminal and output end of the current sampling device are connected with the current sampling port of the DC meter respectively；
The voltage sampling port of the DC meter is the ground terminal of the power detection device；
The output end of the DC meter is the signal end of the power detection device.
3. component generated energy contrast test device according to claim 2, which is characterized in that the current sampling device is
Current divider.
4. component generated energy contrast test device according to claim 2, which is characterized in that further include：It wraps up described straight
The waterproof electric meter box of galvanic electricity table.
5. component generated energy contrast test device according to claim 2, which is characterized in that the shell is waterproofing protection
Case, and the waterproofing protection case corresponds to and is provided with tempered glass window on the position of the DC meter.
6. component generated energy contrast test device according to claim 2, which is characterized in that further include：It is set to described
The power take-off of component generated energy contrast test device, the waterproof of N number of input anode and cathode and N number of detection output
Terminal.
7. component generated energy contrast test device according to claim 2, which is characterized in that the power supply of the DC meter
End is connected with the grid power source.
8. according to any component generated energy contrast test devices of claim 1-7, which is characterized in that N 2, it is described inverse
Change device is Miniature inverter.
9. according to any component generated energy contrast test devices of claim 1-7, which is characterized in that the component power generation
The N number of detection output for measuring contrast test device, is connected by 485 Serial Port Lines with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208723.4U CN207896934U (en) | 2018-02-06 | 2018-02-06 | A kind of component generated energy contrast test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208723.4U CN207896934U (en) | 2018-02-06 | 2018-02-06 | A kind of component generated energy contrast test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896934U true CN207896934U (en) | 2018-09-21 |
Family
ID=63543398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208723.4U Active CN207896934U (en) | 2018-02-06 | 2018-02-06 | A kind of component generated energy contrast test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510594A (en) * | 2018-12-27 | 2019-03-22 | 山东辰宇稀有材料科技有限公司 | A kind of test equipment that open air high-precision photovoltaic plant is detected and demarcated |
-
2018
- 2018-02-06 CN CN201820208723.4U patent/CN207896934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510594A (en) * | 2018-12-27 | 2019-03-22 | 山东辰宇稀有材料科技有限公司 | A kind of test equipment that open air high-precision photovoltaic plant is detected and demarcated |
| CN109510594B (en) * | 2018-12-27 | 2020-11-06 | 山东辰宇稀有材料科技有限公司 | Testing equipment for detecting and calibrating outdoor high-precision photovoltaic power station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106054110A (en) | Intelligent electric energy meter harmonic influence testing method | |
| CN204168236U (en) | A kind of experimental rig for photovoltaic power generation quantity measuring and calculating | |
| CN106199298A (en) | A kind of ultracapacitor module test technology | |
| CN205333777U (en) | Phase to earth fault positioner | |
| Wu et al. | Evaluation of electromagnetic radiation from the DC side of a photovoltaic power generation system | |
| CN207896934U (en) | A kind of component generated energy contrast test device | |
| CN104579169B (en) | Light intensity calibration method used for solar battery piece testing device | |
| CN115236582A (en) | Error online evaluation method and device for three-phase four-wire connection electric energy metering device | |
| CN105391401A (en) | Photovoltaic module or array I-V characteristic measurement apparatus and method | |
| CN113009245A (en) | Fill portable detecting system of electric pile | |
| CN108459226A (en) | Photovoltaic DC-to-AC converter automatization test system | |
| CN117590042A (en) | Electric energy meter and detection method for metering accuracy of electric energy meter | |
| CN209471183U (en) | A kind of highly reliable pole tower ground resistance measuring device | |
| CN112018806A (en) | Inverter efficiency testing method | |
| KR101529476B1 (en) | Insulation resistance monitoring system of solar power module string | |
| CN103353576B (en) | Based on the photovoltaic module energy output method of measurement of volt-ampere characteristic | |
| CN102437233A (en) | Laser reticle detecting system and method of solar battery board | |
| CN104459451A (en) | Transformer current mutual inductor polarity tester and testing method | |
| CN206362860U (en) | A kind of test device of GIS or GIL equipment loop resistance | |
| Bian et al. | A multifunctional data acquisition system for photovoltaic plants | |
| CN103698675B (en) | Analysis method and system for partial discharge under oscillation type impulse voltage | |
| CN210863882U (en) | Transmission tower grounding resistance on-line monitoring device based on double measurement modes | |
| CN203772971U (en) | Photovoltaic power station operation state monitor | |
| CN105182068A (en) | System and method for testing adaptability of photovoltaic inverter to grid harmonic | |
| CN202282375U (en) | Solar cell panel laser reticle detection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191227 Address after: 230094 office building 101, 201, Hefei Haoyang Power Technology Co., Ltd., No. 23, Tianzhi Road, high tech Zone, Hefei City, Anhui Province Patentee after: Hefei sunshine Zhiwei Technology Co.,Ltd. Address before: 230088 Anhui city of Hefei province high tech Zone Xiyou Road No. 1699 Patentee before: SUNGROW POWER SUPPLY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 230000 office buildings 201 and 301 of sunshine power supply Co., Ltd., No. 2 Tianhu Road, high tech Zone, Hefei, Anhui Province Patentee after: Sunshine Zhiwei Technology Co.,Ltd. Address before: 230088 101, 201, office building of Hefei Haoyang Power Technology Co., Ltd., No.23 Tianzhi Road, high tech Zone, Hefei City, Anhui Province Patentee before: Sunshine Zhiwei Technology Co.,Ltd. Address after: 230088 101, 201, office building of Hefei Haoyang Power Technology Co., Ltd., No.23 Tianzhi Road, high tech Zone, Hefei City, Anhui Province Patentee after: Sunshine Zhiwei Technology Co.,Ltd. Address before: Office Building 101 and 201 of Hefei Haoyang Power Technology Co., Ltd., No. 23 Tianzhi Road, High tech Zone, Hefei City, Anhui Province, 230094 Patentee before: Hefei sunshine Zhiwei Technology Co.,Ltd. |