CN201054505Y - Data centralizer for optical voltage grid-parallel station - Google Patents
Data centralizer for optical voltage grid-parallel station Download PDFInfo
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- CN201054505Y CN201054505Y CNU2007201493590U CN200720149359U CN201054505Y CN 201054505 Y CN201054505 Y CN 201054505Y CN U2007201493590 U CNU2007201493590 U CN U2007201493590U CN 200720149359 U CN200720149359 U CN 200720149359U CN 201054505 Y CN201054505 Y CN 201054505Y
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a data concentrator for photovoltaic grid power station, which mainly consists of a power circuit, a control circuit, a wireless transmission module, a power wire carrier wave module and a LED display interface. The data input and the output of the control circuit are connected with the data output end of the power wire carrier wave module so as to collect the operation data of the photovoltaic grid power stations separated in different places. The other data input and the output of the control circuit are connected with the wireless transmission module so as to transmit the processed data to a monitoring center through an internet or a wireless communication network. The other data input and the output of the control circuit are connected with the LED display interface so as to display the operation data of each photovoltaic grid power station through a connected display. The utility model has the advantages of collecting the data of photovoltaic grid power station remotely, monitoring the photovoltaic grid power station in real time, alarming when having accidents under a condition of no body in charge the photovoltaic grid power station, thereby ensuring the photovoltaic grid power station operating continuously, stably and safely for long.
Description
Technical field
The utility model relates to a kind of data concentrator, and specifically to saying, the utility model relates to a kind of data concentrator with data collection, Long-distance Control, wireless transmission and external Presentation Function at pv grid-connected plant independent research design.
Background technology
Pv grid-connected plant is to utilize solar panel, and luminous energy is converted into direct current, through combining inverter direct current is converted to the electrical network alternating current of frequency, homophase together and is recycled to the electric power facility of electrical network.Because comparatively remote, dispersion that pv grid-connected plant distributes, and the solar panel number of formation pv grid-connected plant is numerous, so, at present comparatively backward to the managerial skills of each pv grid-connected plant.
But power is bigger because pv grid-connected plant is incorporated into the power networks, and directly links to each other with urban distribution network, distribution facility, so security level required is higher.For fear of causing unnecessary loss to country, guarantee maintenance personal's inherently safe, should accomplish as far as possible under unattended situation, to pv grid-connected plant monitor in real time, accident alarming, to guarantee pv grid-connected plant long-term safety, stable continuous operation.
Because pv grid-connected plant is subjected to the influence of space, region, other facilities when building, often the distribution at same narrow local pv grid-connected plant comparatively disperses.If each pv grid-connected plant is all installed a cover watch-dog, its day-to-day operation and maintenance cost will spend huge.
Summary of the invention
In view of the foregoing, at same several local pv grid-connected plants, the purpose of this utility model provides a kind of pv grid-connected plant data concentrator with data collection, Long-distance Control, wireless transmission and external Presentation Function.
For achieving the above object, the utility model is by the following technical solutions: a kind of pv grid-connected plant data concentrator, it by housing, be installed in power circuit, control circuit, wireless transport module, the power line carrier module in the housing and the LED display interface that is arranged on the surface of shell constitutes;
Described control circuit links to each other with the data output end of power line carrier module by a data I/O port, gathers the service data of the pv grid-connected plant that is dispersed in different places;
Another data I/O port of control circuit links to each other with wireless transport module, with the data of each pv grid-connected plant after handling by wireless transport module, the Internet/or wireless communication networks be transferred to Surveillance center;
Another data I/O port of control circuit links to each other with the LED display interface on being arranged on housing, shows the service data of each pv grid-connected plant by the display screen that is attached thereto.
The data input pin of described power line carrier module links to each other with combining inverter inverter output in the pv grid-connected plant by power line; This power line carrier module is transmitted information by power line, employing broadcast transmission mode.
Described control circuit is to be the control circuit of core design with the single-chip microcomputer.
Described wireless transport module carries out the transmission of data by GPRS or GSM mode.
The utility model is collected by the power line carrier module and is contained the service data that is scattered in pv grid-connected plant everywhere in the scope of lid,, delivers to LED display on the one hand to show in addition after the analysis and arrangement through control circuit; On the other hand the data of putting in order are sent on the Internet by wireless transport module,, analyze, inquire about for the monitor staff as real-time monitor message and log.Simultaneously, the utility model control circuit can also receive the control command that Surveillance center sends by wireless transport module, controls the operation of the inverter in each pv grid-connected plant.The utility model has the advantages that: can accomplish under the situation of unattended operation pv grid-connected plant, to pv grid-connected plant monitor in real time, remote data capture, control, accident alarming, to guarantee pv grid-connected plant long-term safety, stable continuous operation.
Description of drawings
Fig. 1 is the utility model data concentrator internal structure schematic diagram;
Fig. 2 is the utility model data concentrator user mode electrical equipment annexation figure;
Fig. 3 is the utility model data concentrator control circuit physical circuit figure.
Embodiment
As shown in Figure 1, the disclosed pv grid-connected plant data concentrator of the utility model by housing, be installed in power circuit, control circuit, wireless transport module, the power line carrier module in the housing and the LED display interface that is arranged on the surface of shell constitutes.
Described control circuit links to each other with the data output end of power line carrier module by a data I/O port, gathers the service data of the pv grid-connected plant that is dispersed in different places.Another data I/O port of control circuit links to each other with wireless transport module, with the data of each pv grid-connected plant after handling by wireless transport module, the Internet/or wireless communication networks be transferred to Surveillance center.Another data I/O port of control circuit links to each other with the LED display interface on being arranged on housing, shows the service data of each pv grid-connected plant by the display screen that is attached thereto.Control circuit mainly is a real-time running data of collecting each pv grid-connected plant by the power line carrier module, gives LED display after being put in order and shows, and by wireless transport module data are sent to Surveillance center; And the control command that receives Surveillance center by wireless transport module is carried out Long-distance Control to each pv grid-connected plant.
Described wireless transport module mainly is responsible for utilizing GPRS or GSM mode to be delivered on the Internet data about each pv grid-connected plant after the control circuit processing or utilizing wireless communication networks to send to the user; Simultaneously, the user can utilize the short message sending controling instruction to control circuit the inverter in the pv grid-connected plant to be operated and is provided with.
The data output end of power line carrier module links to each other with the data I/O end of control circuit, and the data input pin of power line carrier module links to each other with combining inverter inverter output in the pv grid-connected plant by power line.It is the instrument that data concentrator is gathered the pv grid-connected plant real-time running data.In order to realize that data concentrator passes through the running status that the power line carrier module is gathered each pv grid-connected plant, also need to install a power line carrier module in every combining inverter in pv grid-connected plant.The power line carrier module that is installed in the combining inverter is gone out the service data of this inverter by power line transmission, the power line carrier module that is installed in the data concentrator receives the data that the power line carrier module in each inverter is transmitted, and the data of parsing reception, identify the service data of combining inverter in the different pv grid-connected plants, the control circuit that is transferred in the data concentrator is handled.The power line carrier module is the hardware facility that carries out communication between data concentrator and each pv grid-connected plant, transmits information by power line, employing broadcast transmission mode between data concentrator and each pv grid-connected plant.
Described power circuit mainly is to provide working power for whole grid-connected power station data concentrator.The power input of power circuit links to each other with alternating current 220V electric network source line, is whole data concentrator power supply on the one hand, also is the transmission path of power line carrier signal on the other hand.The output power output of power circuit is 10W direct current+5V voltage, is control circuit and wireless module, power line carrier module for power supply.
Fig. 2 is the utility model data concentrator application state electrical equipment annexation figure.As shown in the figure, data concentrator links to each other by power line carrier module, power line and the combining inverter that is dispersed in each pv grid-connected plant, gathers the service data of each pv grid-connected plant; After the data processing of data concentrator to collection,, utilize the Internet, mobile communications network to transfer data to Surveillance center, and receive the control command that Surveillance center sends by wireless transport module; Simultaneously, the ruuning situation that shows each pv grid-connected plant by display screen.
As shown in Figure 1, control circuit in the data concentrator is to be the control circuit of core design with the single-chip microcomputer, main being responsible for sends various instructions to each pv grid-connected plant, collect the service data of each pv grid-connected plant, handled after storage, the analysis, the partial data that will handle sends to Surveillance center by wireless transport module and externally shows by LED display simultaneously.
Fig. 3 is the physical circuit figure of the utility model control circuit.As shown in the figure, corresponding the linking to each other of TXD0, RXD0 pin (pin one 6,17) of the TXD0 of single-chip microcomputer U0 (model LPC2119), RXD0 pin (pin one 9,21) and wireless communication module J6.In specific embodiment of the utility model, the model that adopts WAVECOM company to produce is the wireless communication module of ME2406.
The TXD1 of single-chip microcomputer U0, RXD1 pin (pin 33,34) the 4th, 5 pin through triple gate chip U13 (model 74LS125), MAX232 chip U5 and RS232 terminal J2 links to each other the 4th of RS232 terminal J2, the data output pin 2,3 of 5 pin and power line carrier module links to each other.In specific embodiment of the utility model, adopting the model of century source occasion company production is the power line carrier module of SJYC-B1.
The TXD1 of single-chip microcomputer U0, RXD1 pin (pin 33,34) are continuous with the 1st, 2 pin of RS232 terminal J2 through triple gate chip U13 (model 74LS125), MAX232 chip U5, and the 1st, 2 of RS232 terminal J2 links to each other with LED display interface on the housing.
Operation principle of the present utility model is: collect by the power line carrier module and contain the service data that is scattered in pv grid-connected plant everywhere in the scope of lid, in addition after the analysis and arrangement, deliver to LED display on the one hand to show; On the other hand the data of putting in order are sent on the Internet by wireless transport module,, analyze, inquire about for the monitor staff as real-time monitor message and log.The utility model adopts the communication modes of power line carrier combining wireless transmission, designs the communication mode that a main website plans as a whole, divide the work each substation according to the technical characterstic and the instructions for use of power line carrier module.
The above is specific embodiment of the utility model and the know-why used, and is any based on the equivalent transformation on the technical solutions of the utility model basis, all belongs within the utility model protection range.
Claims (4)
1. pv grid-connected plant data concentrator is characterized in that: it by housing, be installed in power circuit, control circuit, wireless transport module, the power line carrier module in the housing and the LED display interface that is arranged on the surface of shell constitutes;
Described control circuit links to each other with the data output end of power line carrier module by a data I/O port, gathers the service data of the pv grid-connected plant that is dispersed in different places;
Another data I/O port of control circuit links to each other with wireless transport module, with the data of each pv grid-connected plant after handling by wireless transport module, the Internet/or wireless communication networks be transferred to Surveillance center;
Another data I/O port of control circuit links to each other with the LED display interface on being arranged on housing, shows the service data of each pv grid-connected plant by the display screen that is attached thereto.
2. a kind of pv grid-connected plant data concentrator according to claim 1 is characterized in that: the data input pin of described power line carrier module links to each other with combining inverter inverter output in the pv grid-connected plant by power line;
This power line carrier module is transmitted information by power line, employing broadcast transmission mode.
3. a kind of pv grid-connected plant data concentrator according to claim 2 is characterized in that: described control circuit is to be the control circuit of core design with the single-chip microcomputer;
Corresponding the linking to each other of TXD0, RXD0 pin of the TXD0 of single-chip microcomputer, RXD0 pin and wireless communication module;
The TXD1 of single-chip microcomputer, RXD1 pin link to each other with the data output pin of power line carrier module through triple gate chip, MAX232 chip, RS232 terminal;
The TXD1 of single-chip microcomputer, RXD1 pin link to each other with LED display interface on the housing through triple gate chip, MAX232 chip, RS232 terminal.
4. a kind of pv grid-connected plant data concentrator according to claim 3 is characterized in that: described wireless transport module carries out the transmission of data by GPRS or GSM mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201493590U CN201054505Y (en) | 2007-05-29 | 2007-05-29 | Data centralizer for optical voltage grid-parallel station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201493590U CN201054505Y (en) | 2007-05-29 | 2007-05-29 | Data centralizer for optical voltage grid-parallel station |
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| Publication Number | Publication Date |
|---|---|
| CN201054505Y true CN201054505Y (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201493590U Expired - Lifetime CN201054505Y (en) | 2007-05-29 | 2007-05-29 | Data centralizer for optical voltage grid-parallel station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306445A (en) * | 2011-09-15 | 2012-01-04 | 北京泰富新能源科技有限公司 | Intelligent wireless transmission converging box |
| CN103178612A (en) * | 2011-12-23 | 2013-06-26 | 上海艾能电力工程有限公司 | Data processor of photovoltaic transformer substations |
| CN103986182A (en) * | 2014-01-21 | 2014-08-13 | 云南师范大学 | Photovoltaic grid connected system based on power line carrier communication |
| WO2015120729A1 (en) * | 2014-02-14 | 2015-08-20 | 瑞斯康微电子（深圳）有限公司 | Photovoltaic inverter power carrier communications system |
| CN104950734A (en) * | 2014-03-25 | 2015-09-30 | 利思电气（上海）有限公司 | Current transformer measurement and control system based on high-frequency carrier of electrical power system |
| WO2017076191A1 (en) * | 2015-11-02 | 2017-05-11 | 珠海格力电器股份有限公司 | Method, apparatus, and system for detecting working state of photovoltaic panel, and photovoltaic electrical system |
-
2007
- 2007-05-29 CN CNU2007201493590U patent/CN201054505Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306445A (en) * | 2011-09-15 | 2012-01-04 | 北京泰富新能源科技有限公司 | Intelligent wireless transmission converging box |
| CN103178612A (en) * | 2011-12-23 | 2013-06-26 | 上海艾能电力工程有限公司 | Data processor of photovoltaic transformer substations |
| CN103986182A (en) * | 2014-01-21 | 2014-08-13 | 云南师范大学 | Photovoltaic grid connected system based on power line carrier communication |
| WO2015120729A1 (en) * | 2014-02-14 | 2015-08-20 | 瑞斯康微电子（深圳）有限公司 | Photovoltaic inverter power carrier communications system |
| CN104950734A (en) * | 2014-03-25 | 2015-09-30 | 利思电气（上海）有限公司 | Current transformer measurement and control system based on high-frequency carrier of electrical power system |
| WO2017076191A1 (en) * | 2015-11-02 | 2017-05-11 | 珠海格力电器股份有限公司 | Method, apparatus, and system for detecting working state of photovoltaic panel, and photovoltaic electrical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Jingyi Renewable Energy Engineering Co.,Ltd. Assignor: Beijing Automation Technical Research Institute Contract record no.: 2011990000507 Denomination of utility model: Data centralizer for optical voltage grid-parallel station Granted publication date: 20080430 License type: Exclusive License Record date: 20110627 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080430 |
|
| CX01 | Expiry of patent term |