CN214478782U - Dedicated data acquisition device of photovoltaic power generation grid-connected - Google Patents
Dedicated data acquisition device of photovoltaic power generation grid-connected Download PDFInfo
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- CN214478782U CN214478782U CN202022982477.8U CN202022982477U CN214478782U CN 214478782 U CN214478782 U CN 214478782U CN 202022982477 U CN202022982477 U CN 202022982477U CN 214478782 U CN214478782 U CN 214478782U
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- 238000010248 power generation Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 20
- 238000012806 monitoring device Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A data acquisition device special for photovoltaic power generation grid connection is provided with a box body, wherein a mounting plate is arranged in the box body, and an isolating switch, a three-phase electric energy meter, three current transformers, a lightning arrester, a three-phase intelligent comprehensive protection switch and an air circuit breaker are arranged on the mounting plate; the inlet wire end of the isolating switch is connected with an inlet wire cable of the device, the outlet wire end of the isolating switch is connected with the inlet wire end of the three-phase intelligent comprehensive protection switch through a small busbar, a current transformer is sleeved on each small busbar, the outlet wire end of the current transformer is connected with a three-phase electric energy meter, the inlet wire end of the lightning arrester is connected to the small busbar of the outlet wire end of the isolating switch, the outlet wire end of the three-phase intelligent comprehensive protection switch is connected with the inlet wire end of the air circuit breaker, and the outlet wire end of the air circuit breaker is connected with the outlet wire cable of the device. The utility model has the advantages that: the monitoring device not only saves the manufacturing cost and the installation cost of the monitoring device, but also realizes the monitoring of the running state data of the connected power supply.
Description
Technical Field
The utility model relates to a data acquisition device, in particular to dedicated data acquisition device of photovoltaic power generation grid-connected.
Background
Photovoltaic power generation is an important component in the field of new energy in recent years, and the product specifications thereof are various and have been applied to many fields. Two boxes are usually needed for a user to access photovoltaic power generation equipment, one box is provided with a knife switch and other control switches, the other box is provided with an electric energy meter, and the construction cost and the meter device cost are two; the electric quantities displayed on the photovoltaic inverters on the market are mutually independent, and if a user has a plurality of inverters of photovoltaic power generation equipment, the user needs to patrol and record the inverters of the photovoltaic power generation equipment, and cannot directly know the daily generated energy of the photovoltaic power generation equipment and cannot know the automatic switching-on and switching-off conditions of overvoltage, overcurrent, undervoltage and the like of the photovoltaic power generation equipment.
Disclosure of Invention
The utility model aims at providing a photovoltaic power generation is incorporated into power networks dedicated data acquisition device not only can gather each photovoltaic power generation equipment's electricity generation data information, moreover, can realize taking notes and save photovoltaic power generation equipment's the excessive pressure, overflow, the condition of automatic divide-shut brake such as undervoltage, realize the real-time collection and the save storage of generated energy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a data acquisition device special for grid connection of photovoltaic power generation is characterized in that the device is provided with a box body, the rear part of the inner side of the box body is provided with an installation plate, and the upper part of the installation plate is provided with an isolating switch and a three-phase electric energy meter; the middle part of the mounting plate is provided with three current transformers and a lightning arrester; the lower part of the mounting plate is provided with a three-phase intelligent comprehensive protection switch and an air circuit breaker; the inlet wire end of the isolating switch is connected with an inlet wire cable of the device, the outlet wire end of the isolating switch is connected with the inlet wire end of the three-phase intelligent comprehensive protection switch through a small busbar, a current transformer is sleeved on each small busbar, the outlet wire end of the current transformer is connected with a three-phase electric energy meter, the inlet wire end of the lightning arrester is connected to the small busbar of the outlet wire end of the isolating switch, the outlet wire end of the three-phase intelligent comprehensive protection switch is connected with the inlet wire end of the air circuit breaker, and the outlet wire end of the air circuit breaker is connected with the outlet wire cable of the device.
The three-phase intelligent comprehensive protection switch can collect voltage, current, power and generated energy data of the connected three-phase power supply, realize monitoring of overvoltage, undervoltage and overcurrent, and judge whether to perform tripping operation according to conditions.
The three-phase intelligent comprehensive protection switch is also provided with an input RS485 communication port and an output RS485 communication port, the input RS485 communication port is connected with the RS485 communication port of the three-phase electric energy meter, and the output RS485 communication port is connected with the background server and transmits monitoring data to the background server.
Compared with the prior art, the beneficial effects of the utility model are that:
because the utility model discloses a data acquisition device has just integrateed isolator, electric energy meter and current transformer, intelligence switch and air circuit breaker in a box, has not only practiced thrift monitoring devices's manufacturing cost and installation cost, but also has realized the running state data monitoring to the power of being connected, and can carry out data communication with backend server, provides data support for electric wire netting dispatch, electric power energy storage.
Drawings
Fig. 1 is a schematic diagram of the structure of the data acquisition device of the present invention.
Fig. 2 is a schematic diagram of the circuit principle of the present invention.
Detailed Description
The specific structure of the data acquisition device of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, it is a schematic diagram of the structure of the data acquisition device of the present invention.
A data acquisition device special for grid connection of photovoltaic power generation is characterized in that the device is provided with a box body 4, the rear part of the inner side of the box body 4 is provided with a mounting plate 8, and the upper part of the mounting plate 8 is provided with an isolating switch 3 and a three-phase electric energy meter 5; the middle part of the mounting plate 8 is provided with three current transformers 2 and a lightning arrester 6; the lower part of the mounting plate 8 is provided with a three-phase intelligent comprehensive protection switch 1 and an air circuit breaker 7; the inlet wire end of isolator 3 links to each other with the inlet wire cable of device, isolator 3's outlet terminal links to each other with the inlet wire end of little female row with three-phase intelligent integrated protection switch 1, it has a current transformer 2 all to overlap on every little female row, current transformer 2's outlet terminal links to each other with three-phase electric energy meter 5, the inlet wire end of arrester 6 is connected to isolator 3's outlet terminal on the little female row, three-phase intelligent integrated protection switch 1's outlet terminal links to each other with air circuit breaker 7's inlet wire end, air circuit breaker 7's outlet terminal links to each other with the outlet wire cable of device.
The three-phase intelligent comprehensive protection switch 1 can acquire voltage, current, power and generated energy data of the connected three-phase power supply, realize monitoring of overvoltage, undervoltage and overcurrent, and judge whether to perform tripping operation according to conditions.
The three-phase intelligent comprehensive protection switch 1 is also provided with an input RS485 communication port and an output RS485 communication port, the input RS485 communication port is connected with the RS485 communication port of the three-phase electric energy meter 5, the output RS485 communication port is connected with a background server, and monitoring data can be transmitted to the background server.
As shown in fig. 2, is a schematic diagram of the circuit principle of the present invention. The circuit is a series circuit of an isolating switch 3, a three-phase intelligent comprehensive protection switch 1 and an air circuit breaker 7, a current transformer 2 is sleeved on a connecting line of the isolating switch 3 and the three-phase intelligent comprehensive protection switch 1, the current transformer 2 is connected to a three-phase electric energy meter 5, an output RS485 communication port on the three-phase electric energy meter 5 is connected with an input RS485 communication port of the three-phase intelligent comprehensive protection switch 1, and an output RS485 communication port of the three-phase intelligent comprehensive protection switch 1 is connected with a background server.
Compared with the prior art, the beneficial effects of the utility model are that:
because the utility model discloses a data acquisition device has just integrateed isolator, electric energy meter and current transformer, intelligence switch and air circuit breaker in a box, has not only practiced thrift monitoring devices's manufacturing cost and installation cost, but also has realized the running state data monitoring to the power of being connected, and can carry out data communication with backend server, provides data support for electric wire netting dispatch, electric power energy storage.
Claims (3)
1. A data acquisition device special for grid connection of photovoltaic power generation is characterized in that the device is provided with a box body, the rear part of the inner side of the box body is provided with an installation plate, and the upper part of the installation plate is provided with an isolating switch and a three-phase electric energy meter; the middle part of the mounting plate is provided with three current transformers and a lightning arrester; the lower part of the mounting plate is provided with a three-phase intelligent comprehensive protection switch and an air circuit breaker; the inlet wire end of the isolating switch is connected with an inlet wire cable of the device, the outlet wire end of the isolating switch is connected with the inlet wire end of the three-phase intelligent comprehensive protection switch through a small busbar, a current transformer is sleeved on each small busbar, the outlet wire end of the current transformer is connected with a three-phase electric energy meter, the inlet wire end of the lightning arrester is connected to the small busbar of the outlet wire end of the isolating switch, the outlet wire end of the three-phase intelligent comprehensive protection switch is connected with the inlet wire end of the air circuit breaker, and the outlet wire end of the air circuit breaker is connected with the outlet wire cable of the device.
2. The data acquisition device special for grid-connected photovoltaic power generation as claimed in claim 1, wherein the three-phase intelligent comprehensive protection switch can acquire data of voltage, current, power and power generation capacity of the connected three-phase power supply, realize monitoring of overvoltage, undervoltage and overcurrent, and judge whether to perform tripping operation according to conditions.
3. The special data acquisition device for grid connection of photovoltaic power generation as claimed in claim 1, wherein the three-phase intelligent comprehensive protection switch is further provided with an input RS485 communication port and an output RS485 communication port, the input RS485 communication port is connected with the RS485 communication port of the three-phase electric energy meter, and the output RS485 communication port is connected with the background server and transmits monitoring data to the background server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982477.8U CN214478782U (en) | 2020-12-11 | 2020-12-11 | Dedicated data acquisition device of photovoltaic power generation grid-connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982477.8U CN214478782U (en) | 2020-12-11 | 2020-12-11 | Dedicated data acquisition device of photovoltaic power generation grid-connected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214478782U true CN214478782U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022982477.8U Active CN214478782U (en) | 2020-12-11 | 2020-12-11 | Dedicated data acquisition device of photovoltaic power generation grid-connected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214478782U (en) |
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2020
- 2020-12-11 CN CN202022982477.8U patent/CN214478782U/en active Active
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